diff options
Diffstat (limited to 'drivers/hwmon/w83781d.c')
| -rw-r--r-- | drivers/hwmon/w83781d.c | 206 |
1 files changed, 182 insertions, 24 deletions
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index dcc941a5aaff..a6a1edfe7614 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -220,7 +220,7 @@ DIV_TO_REG(long val, enum chips type) the driver field to differentiate between I2C and ISA chips. */ struct w83781d_data { struct i2c_client client; - struct class_device *class_dev; + struct device *hwmon_dev; struct mutex lock; enum chips type; @@ -251,9 +251,7 @@ struct w83781d_data { u8 pwm2_enable; /* Boolean */ u16 sens[3]; /* 782D/783S only. 1 = pentium diode; 2 = 3904 diode; - 3000-5000 = thermistor beta. - Default = 3435. - Other Betas unimplemented */ + 4 = thermistor */ u8 vrm; }; @@ -410,7 +408,7 @@ static ssize_t store_temp_##reg (struct device *dev, \ struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ struct w83781d_data *data = dev_get_drvdata(dev); \ int nr = attr->index; \ - s32 val; \ + long val; \ \ val = simple_strtol(buf, NULL, 10); \ \ @@ -456,7 +454,7 @@ static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) { - struct w83781d_data *data = w83781d_update_device(dev); + struct w83781d_data *data = dev_get_drvdata(dev); return sprintf(buf, "%ld\n", (long) data->vrm); } @@ -483,6 +481,39 @@ show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct w83781d_data *data = w83781d_update_device(dev); + int bitnr = to_sensor_dev_attr(attr)->index; + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); +} + +/* The W83781D has a single alarm bit for temp2 and temp3 */ +static ssize_t show_temp3_alarm(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83781d_data *data = w83781d_update_device(dev); + int bitnr = (data->type == w83781d) ? 5 : 13; + return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); +} + +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); +static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_temp3_alarm, NULL, 0); + static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf) { struct w83781d_data *data = w83781d_update_device(dev); @@ -546,6 +577,100 @@ static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, show_beep_enable, store_beep_enable); +static ssize_t show_beep(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct w83781d_data *data = w83781d_update_device(dev); + int bitnr = to_sensor_dev_attr(attr)->index; + return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); +} + +static ssize_t +store_beep(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct w83781d_data *data = dev_get_drvdata(dev); + int bitnr = to_sensor_dev_attr(attr)->index; + unsigned long bit; + u8 reg; + + bit = simple_strtoul(buf, NULL, 10); + if (bit & ~1) + return -EINVAL; + + mutex_lock(&data->update_lock); + if (bit) + data->beep_mask |= (1 << bitnr); + else + data->beep_mask &= ~(1 << bitnr); + + if (bitnr < 8) { + reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS1); + if (bit) + reg |= (1 << bitnr); + else + reg &= ~(1 << bitnr); + w83781d_write_value(data, W83781D_REG_BEEP_INTS1, reg); + } else if (bitnr < 16) { + reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); + if (bit) + reg |= (1 << (bitnr - 8)); + else + reg &= ~(1 << (bitnr - 8)); + w83781d_write_value(data, W83781D_REG_BEEP_INTS2, reg); + } else { + reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS3); + if (bit) + reg |= (1 << (bitnr - 16)); + else + reg &= ~(1 << (bitnr - 16)); + w83781d_write_value(data, W83781D_REG_BEEP_INTS3, reg); + } + mutex_unlock(&data->update_lock); + + return count; +} + +/* The W83781D has a single beep bit for temp2 and temp3 */ +static ssize_t show_temp3_beep(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83781d_data *data = w83781d_update_device(dev); + int bitnr = (data->type == w83781d) ? 5 : 13; + return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); +} + +static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 0); +static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 1); +static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 2); +static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 3); +static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 8); +static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 9); +static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 10); +static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 16); +static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 17); +static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 6); +static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 7); +static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 11); +static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 4); +static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, + show_beep, store_beep, 5); +static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, + show_temp3_beep, store_beep, 13); + static ssize_t show_fan_div(struct device *dev, struct device_attribute *da, char *buf) { @@ -721,15 +846,19 @@ store_sensor(struct device *dev, struct device_attribute *da, tmp & ~BIT_SCFG2[nr]); data->sens[nr] = val; break; - case W83781D_DEFAULT_BETA: /* thermistor */ + case W83781D_DEFAULT_BETA: + dev_warn(dev, "Sensor type %d is deprecated, please use 4 " + "instead\n", W83781D_DEFAULT_BETA); + /* fall through */ + case 4: /* thermistor */ tmp = w83781d_read_value(data, W83781D_REG_SCFG1); w83781d_write_value(data, W83781D_REG_SCFG1, tmp & ~BIT_SCFG1[nr]); data->sens[nr] = val; break; default: - dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or %d\n", - (long) val, W83781D_DEFAULT_BETA); + dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or 4\n", + (long) val); break; } @@ -875,17 +1004,23 @@ ERROR_SC_0: #define IN_UNIT_ATTRS(X) \ &sensor_dev_attr_in##X##_input.dev_attr.attr, \ &sensor_dev_attr_in##X##_min.dev_attr.attr, \ - &sensor_dev_attr_in##X##_max.dev_attr.attr + &sensor_dev_attr_in##X##_max.dev_attr.attr, \ + &sensor_dev_attr_in##X##_alarm.dev_attr.attr, \ + &sensor_dev_attr_in##X##_beep.dev_attr.attr #define FAN_UNIT_ATTRS(X) \ &sensor_dev_attr_fan##X##_input.dev_attr.attr, \ &sensor_dev_attr_fan##X##_min.dev_attr.attr, \ - &sensor_dev_attr_fan##X##_div.dev_attr.attr + &sensor_dev_attr_fan##X##_div.dev_attr.attr, \ + &sensor_dev_attr_fan##X##_alarm.dev_attr.attr, \ + &sensor_dev_attr_fan##X##_beep.dev_attr.attr #define TEMP_UNIT_ATTRS(X) \ &sensor_dev_attr_temp##X##_input.dev_attr.attr, \ &sensor_dev_attr_temp##X##_max.dev_attr.attr, \ - &sensor_dev_attr_temp##X##_max_hyst.dev_attr.attr + &sensor_dev_attr_temp##X##_max_hyst.dev_attr.attr, \ + &sensor_dev_attr_temp##X##_alarm.dev_attr.attr, \ + &sensor_dev_attr_temp##X##_beep.dev_attr.attr static struct attribute* w83781d_attributes[] = { IN_UNIT_ATTRS(0), @@ -944,7 +1079,11 @@ w83781d_create_files(struct device *dev, int kind, int is_isa) || (err = device_create_file(dev, &sensor_dev_attr_in1_min.dev_attr)) || (err = device_create_file(dev, - &sensor_dev_attr_in1_max.dev_attr))) + &sensor_dev_attr_in1_max.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_in1_alarm.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_in1_beep.dev_attr))) return err; } if (kind != as99127f && kind != w83781d && kind != w83783s) { @@ -955,11 +1094,19 @@ w83781d_create_files(struct device *dev, int kind, int is_isa) || (err = device_create_file(dev, &sensor_dev_attr_in7_max.dev_attr)) || (err = device_create_file(dev, + &sensor_dev_attr_in7_alarm.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_in7_beep.dev_attr)) + || (err = device_create_file(dev, &sensor_dev_attr_in8_input.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in8_min.dev_attr)) || (err = device_create_file(dev, - &sensor_dev_attr_in8_max.dev_attr))) + &sensor_dev_attr_in8_max.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_in8_alarm.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_in8_beep.dev_attr))) return err; } if (kind != w83783s) { @@ -968,8 +1115,19 @@ w83781d_create_files(struct device *dev, int kind, int is_isa) || (err = device_create_file(dev, &sensor_dev_attr_temp3_max.dev_attr)) || (err = device_create_file(dev, - &sensor_dev_attr_temp3_max_hyst.dev_attr))) + &sensor_dev_attr_temp3_max_hyst.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_temp3_alarm.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_temp3_beep.dev_attr))) return err; + + if (kind != w83781d) + err = sysfs_chmod_file(&dev->kobj, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + S_IRUGO | S_IWUSR); + if (err) + return err; } if (kind != w83781d && kind != as99127f) { @@ -1156,9 +1314,9 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) if (err) goto ERROR4; - data->class_dev = hwmon_device_register(dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + data->hwmon_dev = hwmon_device_register(dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); goto ERROR4; } @@ -1192,7 +1350,7 @@ w83781d_detach_client(struct i2c_client *client) /* main client */ if (data) { - hwmon_device_unregister(data->class_dev); + hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &w83781d_group); sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt); } @@ -1259,9 +1417,9 @@ w83781d_isa_probe(struct platform_device *pdev) if (err) goto exit_remove_files; - data->class_dev = hwmon_device_register(&pdev->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + data->hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); goto exit_remove_files; } @@ -1283,7 +1441,7 @@ w83781d_isa_remove(struct platform_device *pdev) { struct w83781d_data *data = platform_get_drvdata(pdev); - hwmon_device_unregister(data->class_dev); + hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); device_remove_file(&pdev->dev, &dev_attr_name); @@ -1485,7 +1643,7 @@ w83781d_init_device(struct device *dev) tmp = w83781d_read_value(data, W83781D_REG_SCFG1); for (i = 1; i <= 3; i++) { if (!(tmp & BIT_SCFG1[i - 1])) { - data->sens[i - 1] = W83781D_DEFAULT_BETA; + data->sens[i - 1] = 4; } else { if (w83781d_read_value (data, |