Lines Matching +full:adt7476 +full:- +full:d
1 // SPDX-License-Identifier: GPL-2.0-only
3 * adt7475 - Thermal sensor driver for the ADT7475 chip and derivatives
4 * Copyright (C) 2007-2008, Advanced Micro Devices, Inc.
17 #include <linux/hwmon-sysfs.h>
18 #include <linux/hwmon-vid.h>
24 #include <dt-bindings/pwm/pwm.h>
37 * These are unique identifiers for the sysfs functions - unlike the
68 #define REG_VID 0x43 /* ADT7476 only */
112 #define VID_VIDSEL 0x80 /* ADT7476 only */
128 #define CONFIG5_VIDGPIO 0x10 /* ADT7476 only */
165 enum chips { adt7473, adt7475, adt7476, adt7490 };
170 { "adt7476", adt7476 },
186 .compatible = "adi,adt7476",
187 .data = (void *)adt7476
238 if (!(data->config5 & CONFIG5_TWOSCOMP)) {
239 val = clamp_val(val, -64000, 191000);
242 val = clamp_val(val, -128000, 127000);
243 if (val < -500)
256 if (data->config5 & CONFIG5_TWOSCOMP) {
258 return (reg - 1024) * 250;
262 return (reg - 256) * 250;
344 switch (sattr->nr) {
346 return sprintf(buf, "%d\n",
347 (data->alarms >> sattr->index) & 1);
349 val = data->voltage[sattr->nr][sattr->index];
350 return sprintf(buf, "%d\n",
351 reg2volt(sattr->index, val, data->bypass_attn));
362 struct i2c_client *client = data->client;
367 return -EINVAL;
369 mutex_lock(&data->lock);
371 data->voltage[sattr->nr][sattr->index] =
372 volt2reg(sattr->index, val, data->bypass_attn);
374 if (sattr->index < ADT7475_VOLTAGE_COUNT) {
375 if (sattr->nr == MIN)
376 reg = VOLTAGE_MIN_REG(sattr->index);
378 reg = VOLTAGE_MAX_REG(sattr->index);
379 } else if (sattr->index == 5) {
380 if (sattr->nr == MIN)
385 if (sattr->nr == MIN)
392 data->voltage[sattr->nr][sattr->index] >> 2);
393 mutex_unlock(&data->lock);
408 switch (sattr->nr) {
410 mutex_lock(&data->lock);
411 out = data->temp[sattr->nr][sattr->index];
412 if (sattr->index != 1)
420 out = reg2temp(data, data->temp[THERM][sattr->index]) -
422 mutex_unlock(&data->lock);
430 mutex_lock(&data->lock);
431 out = (s8)data->temp[sattr->nr][sattr->index];
432 if (data->config5 & CONFIG5_TEMPOFFSET)
436 mutex_unlock(&data->lock);
440 out = (data->alarms >> (sattr->index + 4)) & 1;
444 /* Note - only for remote1 and remote2 */
445 out = !!(data->alarms & (sattr->index ? 0x8000 : 0x4000));
450 out = reg2temp(data, data->temp[sattr->nr][sattr->index]);
453 return sprintf(buf, "%d\n", out);
461 struct i2c_client *client = data->client;
468 return -EINVAL;
470 mutex_lock(&data->lock);
472 /* We need the config register in all cases for temp <-> reg conv. */
473 data->config5 = adt7475_read(REG_CONFIG5);
475 switch (sattr->nr) {
477 if (data->config5 & CONFIG5_TEMPOFFSET) {
478 val = clamp_val(val, -63000, 127000);
479 out = data->temp[OFFSET][sattr->index] = val / 1000;
481 val = clamp_val(val, -63000, 64000);
482 out = data->temp[OFFSET][sattr->index] = val / 500;
493 data->temp[THERM][sattr->index] =
494 adt7475_read(TEMP_THERM_REG(sattr->index)) << 2;
497 temp = reg2temp(data, data->temp[THERM][sattr->index]);
498 val = clamp_val(val, temp - 15000, temp);
499 val = (temp - val) / 1000;
501 if (sattr->index != 1) {
502 data->temp[HYSTERSIS][sattr->index] &= 0x0F;
503 data->temp[HYSTERSIS][sattr->index] |= (val & 0xF) << 4;
505 data->temp[HYSTERSIS][sattr->index] &= 0xF0;
506 data->temp[HYSTERSIS][sattr->index] |= (val & 0xF);
509 out = data->temp[HYSTERSIS][sattr->index];
513 data->temp[sattr->nr][sattr->index] = temp2reg(data, val);
517 * - shift those back off before writing the value
519 out = (u8) (data->temp[sattr->nr][sattr->index] >> 2);
522 switch (sattr->nr) {
524 reg = TEMP_MIN_REG(sattr->index);
527 reg = TEMP_MAX_REG(sattr->index);
530 reg = TEMP_OFFSET_REG(sattr->index);
533 reg = TEMP_TMIN_REG(sattr->index);
536 reg = TEMP_THERM_REG(sattr->index);
539 if (sattr->index != 2)
549 mutex_unlock(&data->lock);
565 switch (sattr->index) {
567 val = data->enh_acoustics[0] & 0xf;
570 val = data->enh_acoustics[1] & 0xf;
574 val = (data->enh_acoustics[1] >> 4) & 0xf;
579 return sprintf(buf, "%d\n", ad7475_st_map[val & 0x7]);
590 struct i2c_client *client = data->client;
596 return -EINVAL;
598 switch (sattr->index) {
623 mutex_lock(&data->lock);
625 data->enh_acoustics[idx] &= ~(0xf << shift);
626 data->enh_acoustics[idx] |= (val << shift);
628 i2c_smbus_write_byte_data(client, reg, data->enh_acoustics[idx]);
630 mutex_unlock(&data->lock);
636 * Table of autorange values - the user will write the value in millidegrees,
655 mutex_lock(&data->lock);
656 out = (data->range[sattr->index] >> 4) & 0x0F;
657 val = reg2temp(data, data->temp[AUTOMIN][sattr->index]);
658 mutex_unlock(&data->lock);
660 return sprintf(buf, "%d\n", val + autorange_table[out]);
667 struct i2c_client *client = data->client;
673 return -EINVAL;
675 mutex_lock(&data->lock);
678 data->config5 = adt7475_read(REG_CONFIG5);
679 data->temp[AUTOMIN][sattr->index] =
680 adt7475_read(TEMP_TMIN_REG(sattr->index)) << 2;
681 data->range[sattr->index] =
682 adt7475_read(TEMP_TRANGE_REG(sattr->index));
688 temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]);
690 temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]);
691 val -= temp;
696 data->range[sattr->index] &= ~0xF0;
697 data->range[sattr->index] |= val << 4;
699 i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index),
700 data->range[sattr->index]);
702 mutex_unlock(&data->lock);
716 if (sattr->nr == ALARM)
717 out = (data->alarms >> (sattr->index + 10)) & 1;
719 out = tach2rpm(data->tach[sattr->nr][sattr->index]);
721 return sprintf(buf, "%d\n", out);
730 struct i2c_client *client = data->client;
734 return -EINVAL;
736 mutex_lock(&data->lock);
738 data->tach[MIN][sattr->index] = rpm2tach(val);
740 adt7475_write_word(client, TACH_MIN_REG(sattr->index),
741 data->tach[MIN][sattr->index]);
743 mutex_unlock(&data->lock);
756 return sprintf(buf, "%d\n", data->pwm[sattr->nr][sattr->index]);
768 return sprintf(buf, "%d\n", data->pwmchan[sattr->index]);
780 return sprintf(buf, "%d\n", data->pwmctl[sattr->index]);
789 struct i2c_client *client = data->client;
794 return -EINVAL;
796 mutex_lock(&data->lock);
798 switch (sattr->nr) {
801 data->pwm[CONTROL][sattr->index] =
802 adt7475_read(PWM_CONFIG_REG(sattr->index));
808 if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) {
809 mutex_unlock(&data->lock);
813 reg = PWM_REG(sattr->index);
817 reg = PWM_MIN_REG(sattr->index);
821 reg = PWM_MAX_REG(sattr->index);
825 data->pwm[sattr->nr][sattr->index] = clamp_val(val, 0, 0xFF);
827 data->pwm[sattr->nr][sattr->index]);
828 mutex_unlock(&data->lock);
839 u8 mask = BIT(5 + sattr->index);
841 return sprintf(buf, "%d\n", !!(data->enh_acoustics[0] & mask));
850 struct i2c_client *client = data->client;
852 u8 mask = BIT(5 + sattr->index);
855 return -EINVAL;
857 mutex_lock(&data->lock);
859 data->enh_acoustics[0] &= ~mask;
861 data->enh_acoustics[0] |= mask;
864 data->enh_acoustics[0]);
866 mutex_unlock(&data->lock);
909 return -EINVAL;
913 return -EINVAL;
916 data->pwmctl[index] = pwmctl;
917 data->pwmchan[index] = pwmchan;
919 data->pwm[CONTROL][index] &= ~0xE0;
920 data->pwm[CONTROL][index] |= (val & 7) << 5;
923 data->pwm[CONTROL][index]);
934 struct i2c_client *client = data->client;
939 return -EINVAL;
941 mutex_lock(&data->lock);
943 adt7475_read_pwm(client, sattr->index);
944 r = hw_set_pwm(client, sattr->index, data->pwmctl[sattr->index], val);
947 mutex_unlock(&data->lock);
958 struct i2c_client *client = data->client;
963 return -EINVAL;
965 mutex_lock(&data->lock);
967 adt7475_read_pwm(client, sattr->index);
968 r = hw_set_pwm(client, sattr->index, val, data->pwmchan[sattr->index]);
971 mutex_unlock(&data->lock);
990 idx = clamp_val(data->range[sattr->index] & 0xf, 0,
991 ARRAY_SIZE(pwmfreq_table) - 1);
993 return sprintf(buf, "%d\n", pwmfreq_table[idx]);
1002 struct i2c_client *client = data->client;
1007 return -EINVAL;
1011 mutex_lock(&data->lock);
1013 data->range[sattr->index] =
1014 adt7475_read(TEMP_TRANGE_REG(sattr->index));
1015 data->range[sattr->index] &= ~0xf;
1016 data->range[sattr->index] |= out;
1018 i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index),
1019 data->range[sattr->index]);
1021 mutex_unlock(&data->lock);
1034 return sprintf(buf, "%d\n", !!(data->config4 & CONFIG4_MAXDUTY));
1042 struct i2c_client *client = data->client;
1046 return -EINVAL;
1048 return -EINVAL;
1050 mutex_lock(&data->lock);
1051 data->config4 = i2c_smbus_read_byte_data(client, REG_CONFIG4);
1053 data->config4 |= CONFIG4_MAXDUTY;
1055 data->config4 &= ~CONFIG4_MAXDUTY;
1056 i2c_smbus_write_byte_data(client, REG_CONFIG4, data->config4);
1057 mutex_unlock(&data->lock);
1066 return sprintf(buf, "%d\n", (int)data->vrm);
1076 return -EINVAL;
1078 return -EINVAL;
1079 data->vrm = val;
1092 return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
1189 /* Non-standard name, might need revisiting */
1340 struct i2c_adapter *adapter = client->adapter;
1345 return -ENODEV;
1351 return -ENODEV;
1356 else if (devid == 0x75 && client->addr == 0x2e)
1359 name = "adt7476";
1363 dev_dbg(&adapter->dev,
1365 "0x%02x\n", (unsigned int)client->addr);
1366 return -ENODEV;
1369 strscpy(info->type, name, I2C_NAME_SIZE);
1383 data->config4 = ret;
1388 data->config5 = ret;
1391 if (!(data->has_voltage & (1 << i)))
1397 data->voltage[MIN][i] = ret << 2;
1402 data->voltage[MAX][i] = ret << 2;
1405 if (data->has_voltage & (1 << 5)) {
1409 data->voltage[MIN][5] = ret << 2;
1414 data->voltage[MAX][5] = ret << 2;
1417 if (data->has_voltage & (1 << 6)) {
1421 data->voltage[MIN][6] = ret << 2;
1426 data->voltage[MAX][6] = ret << 2;
1434 data->temp[MIN][i] = ret << 2;
1439 data->temp[MAX][i] = ret << 2;
1444 data->temp[AUTOMIN][i] = ret << 2;
1449 data->temp[THERM][i] = ret << 2;
1454 data->temp[OFFSET][i] = ret;
1459 if (i == 3 && !data->has_fan4)
1464 data->tach[MIN][i] = ret;
1468 if (i == 1 && !data->has_pwm2)
1473 data->pwm[MAX][i] = ret;
1478 data->pwm[MIN][i] = ret;
1486 data->range[0] = ret;
1491 data->range[1] = ret;
1496 data->range[2] = ret;
1507 ret = device_property_read_string(&client->dev, propname, &function);
1519 return -EINVAL;
1533 ret = device_property_read_string(&client->dev, propname, &function);
1550 return -EINVAL;
1566 prop1 = "adi,pin5-function";
1567 prop2 = "adi,pin9-function";
1569 case adt7476:
1571 prop1 = "adi,pin10-function";
1572 prop2 = "adi,pin14-function";
1578 dev_err(&client->dev, "failed to configure %s\n", prop1);
1584 dev_err(&client->dev, "failed to configure %s\n", prop2);
1595 int ret = device_property_read_u32(&client->dev, property,
1612 case adt7476:
1614 set_property_bit(client, "adi,bypass-attenuator-in0",
1615 &data->config4, 4);
1616 set_property_bit(client, "adi,bypass-attenuator-in1",
1617 &data->config4, 5);
1618 set_property_bit(client, "adi,bypass-attenuator-in3",
1619 &data->config4, 6);
1620 set_property_bit(client, "adi,bypass-attenuator-in4",
1621 &data->config4, 7);
1624 data->config4);
1627 set_property_bit(client, "adi,bypass-attenuator-in1",
1628 &data->config2, 5);
1631 data->config2);
1643 ret = device_property_read_u32_array(&client->dev,
1644 "adi,pwm-active-state", states,
1680 return -EINVAL;
1688 cfg->index = args[0];
1689 cfg->freq = find_closest(freq_hz, pwmfreq_table, ARRAY_SIZE(pwmfreq_table));
1690 cfg->flags = args[2];
1691 cfg->duty = duty;
1703 ret = fwnode_property_get_reference_args(fwnode, "pwms", "#pwm-cells", 0, 0, &rargs);
1709 return -EINVAL;
1733 return -EOVERFLOW;
1755 device_for_each_child_node_scoped(&client->dev, child) {
1765 return -EINVAL;
1770 data->pwm[CONTROL][cfg.index] = ret;
1772 data->pwm[CONTROL][cfg.index] |= BIT(4);
1774 data->pwm[CONTROL][cfg.index] &= ~BIT(4);
1777 data->pwm[CONTROL][cfg.index] &= ~0xE0;
1778 data->pwm[CONTROL][cfg.index] |= 0x07 << 5;
1781 data->pwm[CONTROL][cfg.index]);
1785 data->pwm[INPUT][cfg.index] = cfg.duty;
1787 data->pwm[INPUT][cfg.index]);
1791 data->range[cfg.index] = adt7475_read(TEMP_TRANGE_REG(cfg.index));
1792 data->range[cfg.index] &= ~0xf;
1793 data->range[cfg.index] |= cfg.freq;
1796 data->range[cfg.index]);
1810 [adt7476] = "ADT7476",
1819 data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
1821 return -ENOMEM;
1823 mutex_init(&data->lock);
1824 data->client = client;
1829 /* Initialize device-specific values */
1831 case adt7476:
1832 data->has_voltage = 0x0e; /* in1 to in3 */
1836 data->has_voltage = 0x7e; /* in1 to in6 */
1842 data->has_voltage = 0x06; /* in1, in2 */
1853 data->has_pwm2 = 1;
1854 /* Meaning of this bit is inverted for the ADT7473-1 */
1856 data->has_pwm2 = !data->has_pwm2;
1858 data->config4 = adt7475_read(REG_CONFIG4);
1860 if ((data->config4 & CONFIG4_PINFUNC) == 0x0)
1861 data->has_fan4 = 1;
1864 * THERM configuration is more complex on the ADT7476 and ADT7490,
1869 if ((data->config4 & CONFIG4_PINFUNC) == 0x1 &&
1871 data->has_fan4 = 1;
1873 if (chip == adt7476 || chip == adt7490) {
1875 (data->config4 & CONFIG4_PINFUNC) == 0x1)
1876 data->has_voltage |= (1 << 0); /* in0 */
1880 * On the ADT7476, the +12V input pin may instead be used as VID5,
1883 if (chip == adt7476) {
1886 data->has_voltage |= (1 << 4); /* in4 */
1888 data->has_vid = !(adt7475_read(REG_CONFIG5) & CONFIG5_VIDGPIO);
1892 data->config2 = adt7475_read(REG_CONFIG2);
1895 dev_warn(&client->dev, "Error configuring attenuator bypass\n");
1897 if (data->config2 & CONFIG2_ATTN) {
1898 data->bypass_attn = (0x3 << 3) | 0x3;
1900 data->bypass_attn = ((data->config4 & CONFIG4_ATTN_IN10) >> 4) |
1901 ((data->config4 & CONFIG4_ATTN_IN43) >> 3);
1903 data->bypass_attn &= data->has_voltage;
1913 if (ret && ret != -EINVAL)
1914 dev_warn(&client->dev, "Error configuring pwm polarity\n");
1918 dev_warn(&client->dev, "Error %d configuring fan/pwm\n", ret);
1923 case adt7476:
1931 data->groups[group_num++] = &adt7475_attr_group;
1934 if (data->has_fan4) {
1935 data->groups[group_num++] = &fan4_attr_group;
1937 if (data->has_pwm2) {
1938 data->groups[group_num++] = &pwm2_attr_group;
1940 if (data->has_voltage & (1 << 0)) {
1941 data->groups[group_num++] = &in0_attr_group;
1943 if (data->has_voltage & (1 << 3)) {
1944 data->groups[group_num++] = &in3_attr_group;
1946 if (data->has_voltage & (1 << 4)) {
1947 data->groups[group_num++] = &in4_attr_group;
1949 if (data->has_voltage & (1 << 5)) {
1950 data->groups[group_num++] = &in5_attr_group;
1952 if (data->has_voltage & (1 << 6)) {
1953 data->groups[group_num++] = &in6_attr_group;
1955 if (data->has_vid) {
1956 data->vrm = vid_which_vrm();
1957 data->groups[group_num] = &vid_attr_group;
1961 hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
1962 client->name, data,
1963 data->groups);
1970 dev_info(&client->dev, "%s device, revision %d\n",
1972 if ((data->has_voltage & 0x11) || data->has_fan4 || data->has_pwm2)
1973 dev_info(&client->dev, "Optional features:%s%s%s%s%s\n",
1974 (data->has_voltage & (1 << 0)) ? " in0" : "",
1975 (data->has_voltage & (1 << 4)) ? " in4" : "",
1976 data->has_fan4 ? " fan4" : "",
1977 data->has_pwm2 ? " pwm2" : "",
1978 data->has_vid ? " vid" : "");
1979 if (data->bypass_attn)
1980 dev_info(&client->dev, "Bypassing attenuators on:%s%s%s%s\n",
1981 (data->bypass_attn & (1 << 0)) ? " in0" : "",
1982 (data->bypass_attn & (1 << 1)) ? " in1" : "",
1983 (data->bypass_attn & (1 << 3)) ? " in3" : "",
1984 (data->bypass_attn & (1 << 4)) ? " in4" : "");
2010 data->temp[HYSTERSIS][0] = (u16) adt7475_read(REG_REMOTE1_HYSTERSIS);
2011 data->temp[HYSTERSIS][1] = data->temp[HYSTERSIS][0];
2012 data->temp[HYSTERSIS][2] = (u16) adt7475_read(REG_REMOTE2_HYSTERSIS);
2020 data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index));
2026 v = (data->pwm[CONTROL][index] >> 5) & 7;
2029 data->pwmctl[index] = 0;
2031 data->pwmctl[index] = 1;
2034 * The fan is disabled - we don't want to
2038 data->pwm[INPUT][index] = 0;
2039 data->pwm[CONTROL][index] &= ~0xE0;
2040 data->pwm[CONTROL][index] |= (7 << 5);
2043 data->pwm[INPUT][index]);
2046 data->pwm[CONTROL][index]);
2048 data->pwmctl[index] = 1;
2050 data->pwmctl[index] = 2;
2054 data->pwmchan[index] = 1;
2057 data->pwmchan[index] = 2;
2060 data->pwmchan[index] = 4;
2063 data->pwmchan[index] = 6;
2066 data->pwmchan[index] = 7;
2075 struct i2c_client *client = data->client;
2083 data->alarms = ret << 8;
2088 data->alarms |= ret;
2103 if (!(data->has_voltage & (1 << i)))
2108 data->voltage[INPUT][i] =
2117 data->temp[INPUT][i] =
2122 if (data->has_voltage & (1 << 5)) {
2126 data->alarms |= ret << 24;
2136 data->voltage[INPUT][5] = ret << 2 |
2140 if (data->has_voltage & (1 << 6)) {
2144 data->alarms |= ret << 24;
2154 data->voltage[INPUT][6] = ret << 2 |
2159 if (i == 3 && !data->has_fan4)
2164 data->tach[INPUT][i] = ret;
2169 if (i == 1 && !data->has_pwm2)
2174 data->pwm[INPUT][i] = ret;
2177 if (data->has_vid) {
2181 data->vid = ret & 0x3f;
2192 mutex_lock(&data->lock);
2195 if (time_after(jiffies, data->measure_updated + HZ * 2) ||
2196 !data->valid) {
2199 data->valid = false;
2200 mutex_unlock(&data->lock);
2203 data->measure_updated = jiffies;
2204 data->valid = true;
2207 mutex_unlock(&data->lock);