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path: root/drivers/hwmon/nct6775.c
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Diffstat (limited to 'drivers/hwmon/nct6775.c')
-rw-r--r--drivers/hwmon/nct6775.c77
1 files changed, 61 insertions, 16 deletions
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 504cbddbdd90..dc0df57200cd 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -38,6 +38,7 @@
* nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3
* nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3
* nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3
+ * nct6792d 15 6 6 2+6 0xc910 0xc1 0x5ca3
*
* #temp lists the number of monitored temperature sources (first value) plus
* the number of directly connectable temperature sensors (second value).
@@ -61,7 +62,7 @@
#define USE_ALTERNATE
-enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791 };
+enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792 };
/* used to set data->name = nct6775_device_names[data->sio_kind] */
static const char * const nct6775_device_names[] = {
@@ -70,6 +71,7 @@ static const char * const nct6775_device_names[] = {
"nct6776",
"nct6779",
"nct6791",
+ "nct6792",
};
static unsigned short force_id;
@@ -100,6 +102,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
#define SIO_NCT6776_ID 0xc330
#define SIO_NCT6779_ID 0xc560
#define SIO_NCT6791_ID 0xc800
+#define SIO_NCT6792_ID 0xc910
#define SIO_ID_MASK 0xFFF0
enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
@@ -529,6 +532,12 @@ static const s8 NCT6791_ALARM_BITS[] = {
4, 5, 13, -1, -1, -1, /* temp1..temp6 */
12, 9 }; /* intrusion0, intrusion1 */
+/* NCT6792 specific data */
+
+static const u16 NCT6792_REG_TEMP_MON[] = {
+ 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d };
+static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = {
+ 0xb2, 0xb3, 0xb4, 0xb5, 0xbf };
/* NCT6102D/NCT6106D specific data */
@@ -1043,13 +1052,14 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg)
reg == 0x73 || reg == 0x75 || reg == 0x77;
case nct6779:
case nct6791:
+ case nct6792:
return reg == 0x150 || reg == 0x153 || reg == 0x155 ||
((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) ||
reg == 0x402 ||
reg == 0x63a || reg == 0x63c || reg == 0x63e ||
reg == 0x640 || reg == 0x642 ||
reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 ||
- reg == 0x7b;
+ reg == 0x7b || reg == 0x7d;
}
return false;
}
@@ -1063,6 +1073,7 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg)
static inline void nct6775_set_bank(struct nct6775_data *data, u16 reg)
{
u8 bank = reg >> 8;
+
if (data->bank != bank) {
outb_p(NCT6775_REG_BANK, data->addr + ADDR_REG_OFFSET);
outb_p(bank, data->addr + DATA_REG_OFFSET);
@@ -1300,6 +1311,7 @@ static void nct6775_update_pwm(struct device *dev)
if (!data->target_speed_tolerance[i] ||
data->pwm_enable[i] == speed_cruise) {
u8 t = fanmodecfg & 0x0f;
+
if (data->REG_TOLERANCE_H) {
t |= (nct6775_read_value(data,
data->REG_TOLERANCE_H[i]) & 0x70) >> 1;
@@ -1391,6 +1403,7 @@ static void nct6775_update_pwm_limits(struct device *dev)
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
reg = nct6775_read_value(data,
data->REG_CRITICAL_PWM_ENABLE[i]);
if (reg & data->CRITICAL_PWM_ENABLE_MASK)
@@ -1473,6 +1486,7 @@ static struct nct6775_data *nct6775_update_device(struct device *dev)
data->alarms = 0;
for (i = 0; i < NUM_REG_ALARM; i++) {
u8 alarm;
+
if (!data->REG_ALARM[i])
continue;
alarm = nct6775_read_value(data, data->REG_ALARM[i]);
@@ -1482,6 +1496,7 @@ static struct nct6775_data *nct6775_update_device(struct device *dev)
data->beeps = 0;
for (i = 0; i < NUM_REG_BEEP; i++) {
u8 beep;
+
if (!data->REG_BEEP[i])
continue;
beep = nct6775_read_value(data, data->REG_BEEP[i]);
@@ -1504,8 +1519,9 @@ show_in_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
int index = sattr->index;
+ int nr = sattr->nr;
+
return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr));
}
@@ -1515,10 +1531,12 @@ store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf,
{
struct nct6775_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
int index = sattr->index;
+ int nr = sattr->nr;
unsigned long val;
- int err = kstrtoul(buf, 10, &val);
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
mutex_lock(&data->update_lock);
@@ -1535,6 +1553,7 @@ show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = data->ALARM_BITS[sattr->index];
+
return sprintf(buf, "%u\n",
(unsigned int)((data->alarms >> nr) & 0x01));
}
@@ -1570,6 +1589,7 @@ show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf)
nr = find_temp_source(data, sattr->index, data->num_temp_alarms);
if (nr >= 0) {
int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE];
+
alarm = (data->alarms >> bit) & 0x01;
}
return sprintf(buf, "%u\n", alarm);
@@ -1595,8 +1615,9 @@ store_beep(struct device *dev, struct device_attribute *attr, const char *buf,
int nr = data->BEEP_BITS[sattr->index];
int regindex = nr >> 3;
unsigned long val;
+ int err;
- int err = kstrtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
if (val > 1)
@@ -1629,6 +1650,7 @@ show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf)
nr = find_temp_source(data, sattr->index, data->num_temp_beeps);
if (nr >= 0) {
int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE];
+
beep = (data->beeps >> bit) & 0x01;
}
return sprintf(buf, "%u\n", beep);
@@ -1642,8 +1664,9 @@ store_temp_beep(struct device *dev, struct device_attribute *attr,
struct nct6775_data *data = dev_get_drvdata(dev);
int nr, bit, regindex;
unsigned long val;
+ int err;
- int err = kstrtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
if (val > 1)
@@ -1715,6 +1738,7 @@ show_fan(struct device *dev, struct device_attribute *attr, char *buf)
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%d\n", data->rpm[nr]);
}
@@ -1724,6 +1748,7 @@ show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%d\n",
data->fan_from_reg_min(data->fan_min[nr],
data->fan_div[nr]));
@@ -1735,6 +1760,7 @@ show_fan_div(struct device *dev, struct device_attribute *attr, char *buf)
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
}
@@ -1746,9 +1772,9 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
unsigned long val;
- int err;
unsigned int reg;
u8 new_div;
+ int err;
err = kstrtoul(buf, 10, &val);
if (err < 0)
@@ -1932,6 +1958,7 @@ show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
}
@@ -2008,6 +2035,7 @@ show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
int nr = sattr->index;
+
return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
}
@@ -2790,6 +2818,7 @@ store_auto_pwm(struct device *dev, struct device_attribute *attr,
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],
val);
reg = nct6775_read_value(data,
@@ -2997,6 +3026,7 @@ static ssize_t
show_vid(struct device *dev, struct device_attribute *attr, char *buf)
{
struct nct6775_data *data = dev_get_drvdata(dev);
+
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
}
@@ -3202,7 +3232,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
pwm4pin = false;
pwm5pin = false;
pwm6pin = false;
- } else { /* NCT6779D or NCT6791D */
+ } else { /* NCT6779D, NCT6791D, or NCT6792D */
regval = superio_inb(sioreg, 0x1c);
fan3pin = !(regval & (1 << 5));
@@ -3215,7 +3245,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
fan4min = fan4pin;
- if (data->kind == nct6791) {
+ if (data->kind == nct6791 || data->kind == nct6792) {
regval = superio_inb(sioreg, 0x2d);
fan6pin = (regval & (1 << 1));
pwm6pin = (regval & (1 << 0));
@@ -3588,6 +3618,7 @@ static int nct6775_probe(struct platform_device *pdev)
break;
case nct6791:
+ case nct6792:
data->in_num = 15;
data->pwm_num = 6;
data->auto_pwm_num = 4;
@@ -3650,12 +3681,20 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL;
data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE;
data->REG_ALARM = NCT6791_REG_ALARM;
- data->REG_BEEP = NCT6776_REG_BEEP;
+ if (data->kind == nct6791)
+ data->REG_BEEP = NCT6776_REG_BEEP;
+ else
+ data->REG_BEEP = NCT6792_REG_BEEP;
reg_temp = NCT6779_REG_TEMP;
- reg_temp_mon = NCT6779_REG_TEMP_MON;
num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON);
+ if (data->kind == nct6791) {
+ reg_temp_mon = NCT6779_REG_TEMP_MON;
+ num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON);
+ } else {
+ reg_temp_mon = NCT6792_REG_TEMP_MON;
+ num_reg_temp_mon = ARRAY_SIZE(NCT6792_REG_TEMP_MON);
+ }
reg_temp_over = NCT6779_REG_TEMP_OVER;
reg_temp_hyst = NCT6779_REG_TEMP_HYST;
reg_temp_config = NCT6779_REG_TEMP_CONFIG;
@@ -3854,6 +3893,7 @@ static int nct6775_probe(struct platform_device *pdev)
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
break;
}
@@ -3885,6 +3925,7 @@ static int nct6775_probe(struct platform_device *pdev)
tmp |= 0x3e;
break;
case nct6791:
+ case nct6792:
tmp |= 0x7e;
break;
}
@@ -3972,7 +4013,7 @@ static int nct6775_resume(struct device *dev)
mutex_lock(&data->update_lock);
data->bank = 0xff; /* Force initial bank selection */
- if (data->kind == nct6791) {
+ if (data->kind == nct6791 || data->kind == nct6792) {
err = superio_enter(data->sioreg);
if (err)
goto abort;
@@ -4052,6 +4093,7 @@ static const char * const nct6775_sio_names[] __initconst = {
"NCT6776D/F",
"NCT6779D",
"NCT6791D",
+ "NCT6792D",
};
/* nct6775_find() looks for a '627 in the Super-I/O config space */
@@ -4086,6 +4128,9 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
case SIO_NCT6791_ID:
sio_data->kind = nct6791;
break;
+ case SIO_NCT6792_ID:
+ sio_data->kind = nct6792;
+ break;
default:
if (val != 0xffff)
pr_debug("unsupported chip ID: 0x%04x\n", val);
@@ -4111,7 +4156,7 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
}
- if (sio_data->kind == nct6791)
+ if (sio_data->kind == nct6791 || sio_data->kind == nct6792)
nct6791_enable_io_mapping(sioaddr);
superio_exit(sioaddr);
@@ -4221,7 +4266,7 @@ static void __exit sensors_nct6775_exit(void)
}
MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
-MODULE_DESCRIPTION("NCT6106D/NCT6775F/NCT6776F/NCT6779D/NCT6791D driver");
+MODULE_DESCRIPTION("NCT6106D/NCT6775F/NCT6776F/NCT6779D/NCT6791D/NCT6792D driver");
MODULE_LICENSE("GPL");
module_init(sensors_nct6775_init);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.