hwmon: (it87) Add support for 6th fan of IT8620E
IT8620E supports up to 6 fan tachometers. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>hifive-unleashed-5.1
Guenter Roeck
parent
3ba9d977a9
commit
fa3f70d628
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@ -216,11 +216,11 @@ static bool fix_pwm_polarity;
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/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
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static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82 };
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static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86 };
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static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83 };
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static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 };
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static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
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static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
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static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86, 0x4e };
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static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x4d };
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static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87, 0x4f };
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static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
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#define IT87_REG_FAN_MAIN_CTRL 0x13
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#define IT87_REG_FAN_CTL 0x14
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@ -264,6 +264,7 @@ struct it87_devices {
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#define FEAT_FIVE_FANS (1 << 8) /* Supports five fans */
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#define FEAT_VID (1 << 9) /* Set if chip supports VID */
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#define FEAT_IN7_INTERNAL (1 << 10) /* Set if in7 is internal */
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#define FEAT_SIX_FANS (1 << 11) /* Supports six fans */
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static const struct it87_devices it87_devices[] = {
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[it87] = {
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@ -382,7 +383,7 @@ static const struct it87_devices it87_devices[] = {
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.name = "it8620",
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.suffix = "E",
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.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
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| FEAT_IN7_INTERNAL,
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.peci_mask = 0x07,
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},
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@ -399,9 +400,11 @@ static const struct it87_devices it87_devices[] = {
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(((data)->features & FEAT_TEMP_OLD_PECI) && \
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((data)->old_peci_mask & (1 << nr)))
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#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
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#define has_five_fans(data) ((data)->features & FEAT_FIVE_FANS)
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#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
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FEAT_SIX_FANS))
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#define has_vid(data) ((data)->features & FEAT_VID)
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#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
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#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
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struct it87_sio_data {
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enum chips type;
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@ -438,7 +441,7 @@ struct it87_data {
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u16 in_scaled; /* Internal voltage sensors are scaled */
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u8 in[10][3]; /* [nr][0]=in, [1]=min, [2]=max */
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u8 has_fan; /* Bitfield, fans enabled */
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u16 fan[5][2]; /* Register values, [nr][0]=fan, [1]=min */
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u16 fan[6][2]; /* Register values, [nr][0]=fan, [1]=min */
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u8 has_temp; /* Bitfield, temp sensors enabled */
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s8 temp[3][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */
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u8 sensor; /* Register value (IT87_REG_TEMP_ENABLE) */
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@ -1277,6 +1280,10 @@ static SENSOR_DEVICE_ATTR_2(fan5_input, S_IRUGO, show_fan, NULL, 4, 0);
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static SENSOR_DEVICE_ATTR_2(fan5_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
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4, 1);
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static SENSOR_DEVICE_ATTR_2(fan6_input, S_IRUGO, show_fan, NULL, 5, 0);
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static SENSOR_DEVICE_ATTR_2(fan6_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
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5, 1);
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static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
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show_pwm_enable, set_pwm_enable, 0);
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static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0);
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@ -1407,6 +1414,7 @@ static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 1);
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static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 2);
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static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 3);
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static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 6);
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static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 7);
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static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16);
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static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17);
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static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18);
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@ -1457,6 +1465,7 @@ static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0);
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static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0);
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static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0);
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static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0);
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static SENSOR_DEVICE_ATTR(fan6_beep, S_IRUGO, show_beep, set_beep, 0);
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static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
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show_beep, set_beep, 2);
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static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2);
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@ -1660,7 +1669,7 @@ static struct attribute *it87_attributes_temp_beep[] = {
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&sensor_dev_attr_temp3_beep.dev_attr.attr,
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};
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static struct attribute *it87_attributes_fan[5][3+1] = { {
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static struct attribute *it87_attributes_fan[6][3+1] = { {
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&sensor_dev_attr_fan1_input.dev_attr.attr,
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&sensor_dev_attr_fan1_min.dev_attr.attr,
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&sensor_dev_attr_fan1_alarm.dev_attr.attr,
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@ -1685,14 +1694,20 @@ static struct attribute *it87_attributes_fan[5][3+1] = { {
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&sensor_dev_attr_fan5_min.dev_attr.attr,
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&sensor_dev_attr_fan5_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_fan6_input.dev_attr.attr,
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&sensor_dev_attr_fan6_min.dev_attr.attr,
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&sensor_dev_attr_fan6_alarm.dev_attr.attr,
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NULL
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} };
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static const struct attribute_group it87_group_fan[5] = {
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static const struct attribute_group it87_group_fan[6] = {
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{ .attrs = it87_attributes_fan[0] },
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{ .attrs = it87_attributes_fan[1] },
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{ .attrs = it87_attributes_fan[2] },
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{ .attrs = it87_attributes_fan[3] },
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{ .attrs = it87_attributes_fan[4] },
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{ .attrs = it87_attributes_fan[5] },
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};
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static const struct attribute *it87_attributes_fan_div[] = {
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@ -1774,6 +1789,7 @@ static struct attribute *it87_attributes_fan_beep[] = {
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&sensor_dev_attr_fan3_beep.dev_attr.attr,
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&sensor_dev_attr_fan4_beep.dev_attr.attr,
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&sensor_dev_attr_fan5_beep.dev_attr.attr,
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&sensor_dev_attr_fan6_beep.dev_attr.attr,
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};
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static struct attribute *it87_attributes_vid[] = {
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@ -2155,7 +2171,7 @@ static void it87_remove_files(struct device *dev)
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sysfs_remove_file(&dev->kobj,
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it87_attributes_temp_beep[i]);
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}
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for (i = 0; i < 5; i++) {
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for (i = 0; i < 6; i++) {
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if (!(data->has_fan & (1 << i)))
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continue;
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sysfs_remove_group(&dev->kobj, &it87_group_fan[i]);
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@ -2312,7 +2328,7 @@ static int it87_probe(struct platform_device *pdev)
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/* Do not create fan files for disabled fans */
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fan_beep_need_rw = 1;
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for (i = 0; i < 5; i++) {
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for (i = 0; i < 6; i++) {
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if (!(data->has_fan & (1 << i)))
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continue;
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err = sysfs_create_group(&dev->kobj, &it87_group_fan[i]);
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@ -2557,9 +2573,10 @@ static void it87_init_device(struct platform_device *pdev)
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}
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data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
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tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
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/* Set tachometers to 16-bit mode if needed */
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if (has_fan16_config(data)) {
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tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
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if (~tmp & 0x07 & data->has_fan) {
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dev_dbg(&pdev->dev,
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"Setting fan1-3 to 16-bit mode\n");
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@ -2570,11 +2587,12 @@ static void it87_init_device(struct platform_device *pdev)
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/* Check for additional fans */
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if (has_five_fans(data)) {
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tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
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if (tmp & (1 << 4))
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data->has_fan |= (1 << 3); /* fan4 enabled */
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if (tmp & (1 << 5))
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data->has_fan |= (1 << 4); /* fan5 enabled */
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if (has_six_fans(data) && (tmp & (1 << 2)))
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data->has_fan |= (1 << 5); /* fan6 enabled */
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}
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/* Fan input pins may be used for alternative functions */
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@ -2642,7 +2660,7 @@ static struct it87_data *it87_update_device(struct device *dev)
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if (data->type == it8603)
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data->in[9][0] = it87_read_value(data, 0x2f);
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for (i = 0; i < 5; i++) {
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for (i = 0; i < 6; i++) {
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/* Skip disabled fans */
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if (!(data->has_fan & (1 << i)))
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continue;
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