* Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net>
*
* Derived from w83627ehf driver
- * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de>
* Copyright (C) 2006 Yuan Mu (Winbond),
* Rudolf Marek <r.marek@assembler.cz>
* David Hubbard <david.c.hubbard@gmail.com>
* 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 0xc911 0xc1 0x5ca3
+ * nct6793d 15 6 6 2+6 0xd110 0xc1 0x5ca3
*
* #temp lists the number of monitored temperature sources (first value) plus
* the number of directly connectable temperature sensors (second value).
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
+#include <linux/dmi.h>
#include <linux/io.h>
#include "lm75.h"
#include "compat.h"
#define USE_ALTERNATE
-enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791 };
+enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793 };
/* used to set data->name = nct6775_device_names[data->sio_kind] */
static const char * const nct6775_device_names[] = {
"nct6776",
"nct6779",
"nct6791",
+ "nct6792",
+ "nct6793",
};
static unsigned short force_id;
#define SIO_NCT6776_ID 0xc330
#define SIO_NCT6779_ID 0xc560
#define SIO_NCT6791_ID 0xc800
+#define SIO_NCT6792_ID 0xc910
+#define SIO_NCT6793_ID 0xd110
#define SIO_ID_MASK 0xFFF0
enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
"PCH_DIM1_TEMP",
"PCH_DIM2_TEMP",
"PCH_DIM3_TEMP",
- "BYTE_TEMP"
+ "BYTE_TEMP",
+ "",
+ "",
+ "",
+ "",
+ "Virtual_TEMP"
};
-static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1]
+#define NCT6779_NUM_LABELS (ARRAY_SIZE(nct6779_temp_label) - 5)
+#define NCT6791_NUM_LABELS ARRAY_SIZE(nct6779_temp_label)
+
+static const u16 NCT6779_REG_TEMP_ALTERNATE[NCT6791_NUM_LABELS - 1]
= { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407,
0x408, 0 };
-static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1]
+static const u16 NCT6779_REG_TEMP_CRIT[NCT6791_NUM_LABELS - 1]
= { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a };
/* NCT6791 specific data */
4, 5, 13, -1, -1, -1, /* temp1..temp6 */
12, 9 }; /* intrusion0, intrusion1 */
+/* NCT6792/NCT6793 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 */
struct device *hwmon_dev;
#endif
- int num_attr_groups;
const struct attribute_group *groups[6];
u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst,
u16 have_temp;
u16 have_temp_fixed;
u16 have_in;
-#ifdef CONFIG_PM
+
/* Remember extra register values over suspend/resume */
u8 vbat;
u8 fandiv1;
u8 fandiv2;
-#endif
+ u8 sio_reg_enable;
};
struct nct6775_sio_data {
reg == 0x73 || reg == 0x75 || reg == 0x77;
case nct6779:
case nct6791:
+ case nct6792:
+ case nct6793:
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;
}
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);
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;
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
+ case nct6793:
reg = nct6775_read_value(data,
data->REG_CRITICAL_PWM_ENABLE[i]);
if (reg & data->CRITICAL_PWM_ENABLE_MASK)
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]);
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]);
{
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));
}
{
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);
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));
}
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);
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)
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);
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)
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]);
}
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]));
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]));
}
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)
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]]);
}
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]);
}
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
+ case nct6793:
nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],
val);
reg = nct6775_read_value(data,
&sensor_dev_template_pwm_auto_point6_temp,
&sensor_dev_template_pwm_auto_point7_pwm,
&sensor_dev_template_pwm_auto_point7_temp, /* 35 */
+
NULL
};
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));
}
int sioreg = data->sioreg;
int regval;
+ /* Store SIO_REG_ENABLE for use during resume */
+ superio_select(sioreg, NCT6775_LD_HWM);
+ data->sio_reg_enable = superio_inb(sioreg, SIO_REG_ENABLE);
+
/* fan4 and fan5 share some pins with the GPIO and serial flash */
if (data->kind == nct6775) {
regval = superio_inb(sioreg, 0x2c);
pwm6pin = false;
} else if (data->kind == nct6776) {
bool gpok = superio_inb(sioreg, 0x27) & 0x80;
+ const char *board_vendor, *board_name;
+
+ board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
+ board_name = dmi_get_system_info(DMI_BOARD_NAME);
- superio_select(sioreg, NCT6775_LD_HWM);
- regval = superio_inb(sioreg, SIO_REG_ENABLE);
+ if (board_name && board_vendor &&
+ !strcmp(board_vendor, "ASRock")) {
+ /*
+ * Auxiliary fan monitoring is not enabled on ASRock
+ * Z77 Pro4-M if booted in UEFI Ultra-FastBoot mode.
+ * Observed with BIOS version 2.00.
+ */
+ if (!strcmp(board_name, "Z77 Pro4-M")) {
+ if ((data->sio_reg_enable & 0xe0) != 0xe0) {
+ data->sio_reg_enable |= 0xe0;
+ superio_outb(sioreg, SIO_REG_ENABLE,
+ data->sio_reg_enable);
+ }
+ }
+ }
- if (regval & 0x80)
+ if (data->sio_reg_enable & 0x80)
fan3pin = gpok;
else
fan3pin = !(superio_inb(sioreg, 0x24) & 0x40);
- if (regval & 0x40)
+ if (data->sio_reg_enable & 0x40)
fan4pin = gpok;
else
fan4pin = superio_inb(sioreg, 0x1C) & 0x01;
- if (regval & 0x20)
+ if (data->sio_reg_enable & 0x20)
fan5pin = gpok;
else
fan5pin = superio_inb(sioreg, 0x1C) & 0x02;
pwm4pin = false;
pwm5pin = false;
pwm6pin = false;
- } else { /* NCT6779D or NCT6791D */
+ } else { /* NCT6779D, NCT6791D, NCT6792D, or NCT6793D */
regval = superio_inb(sioreg, 0x1c);
fan3pin = !(regval & (1 << 5));
fan4min = fan4pin;
- if (data->kind == nct6791) {
+ if (data->kind == nct6791 || data->kind == nct6792 ||
+ data->kind == nct6793) {
regval = superio_inb(sioreg, 0x2d);
fan6pin = (regval & (1 << 1));
pwm6pin = (regval & (1 << 0));
u8 cr2a;
struct attribute_group *group;
struct device *hwmon_dev;
+ int num_attr_groups = 0;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH,
data->speed_tolerance_limit = 63;
data->temp_label = nct6779_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6779_temp_label);
+ data->temp_label_num = NCT6779_NUM_LABELS;
data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
break;
case nct6791:
+ case nct6792:
+ case nct6793:
data->in_num = 15;
data->pwm_num = 6;
data->auto_pwm_num = 4;
data->speed_tolerance_limit = 63;
data->temp_label = nct6779_temp_label;
- data->temp_label_num = ARRAY_SIZE(nct6779_temp_label);
+ data->temp_label_num = NCT6791_NUM_LABELS;
data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
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;
case nct6106:
case nct6779:
case nct6791:
+ case nct6792:
+ case nct6793:
break;
}
tmp |= 0x3e;
break;
case nct6791:
+ case nct6792:
+ case nct6793:
tmp |= 0x7e;
break;
}
if (IS_ERR(group))
return PTR_ERR(group);
- data->groups[data->num_attr_groups++] = group;
+ data->groups[num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_in_template_group,
fls(data->have_in));
if (IS_ERR(group))
return PTR_ERR(group);
- data->groups[data->num_attr_groups++] = group;
+ data->groups[num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_fan_template_group,
fls(data->has_fan));
if (IS_ERR(group))
return PTR_ERR(group);
- data->groups[data->num_attr_groups++] = group;
+ data->groups[num_attr_groups++] = group;
group = nct6775_create_attr_group(dev, &nct6775_temp_template_group,
fls(data->have_temp));
if (IS_ERR(group))
return PTR_ERR(group);
- data->groups[data->num_attr_groups++] = group;
- data->groups[data->num_attr_groups++] = &nct6775_group_other;
+ data->groups[num_attr_groups++] = group;
+ data->groups[num_attr_groups++] = &nct6775_group_other;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
err = sysfs_create_groups(&dev->kobj, data->groups);
if (err < 0)
- return err;
+ return err;
hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(hwmon_dev)) {
sysfs_remove_groups(&dev->kobj, data->groups);
}
}
-#ifdef CONFIG_PM
-static int nct6775_suspend(struct device *dev)
+static int __maybe_unused nct6775_suspend(struct device *dev)
{
struct nct6775_data *data = nct6775_update_device(dev);
return 0;
}
-static int nct6775_resume(struct device *dev)
+static int __maybe_unused nct6775_resume(struct device *dev)
{
struct nct6775_data *data = dev_get_drvdata(dev);
+ int sioreg = data->sioreg;
int i, j, err = 0;
+ u8 reg;
mutex_lock(&data->update_lock);
data->bank = 0xff; /* Force initial bank selection */
- if (data->kind == nct6791) {
- err = superio_enter(data->sioreg);
- if (err)
- goto abort;
+ err = superio_enter(sioreg);
+ if (err)
+ goto abort;
- nct6791_enable_io_mapping(data->sioreg);
- superio_exit(data->sioreg);
- }
+ superio_select(sioreg, NCT6775_LD_HWM);
+ reg = superio_inb(sioreg, SIO_REG_ENABLE);
+ if (reg != data->sio_reg_enable)
+ superio_outb(sioreg, SIO_REG_ENABLE, data->sio_reg_enable);
+
+ if (data->kind == nct6791 || data->kind == nct6792 ||
+ data->kind == nct6793)
+ nct6791_enable_io_mapping(sioreg);
+
+ superio_exit(sioreg);
/* Restore limits */
for (i = 0; i < data->in_num; i++) {
return err;
}
-static const struct dev_pm_ops nct6775_dev_pm_ops = {
- .suspend = nct6775_suspend,
- .resume = nct6775_resume,
- .freeze = nct6775_suspend,
- .restore = nct6775_resume,
-};
-
-#define NCT6775_DEV_PM_OPS (&nct6775_dev_pm_ops)
-#else
-#define NCT6775_DEV_PM_OPS NULL
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume);
static struct platform_driver nct6775_driver = {
.driver = {
.owner = THIS_MODULE,
.name = DRVNAME,
- .pm = NCT6775_DEV_PM_OPS,
+ .pm = &nct6775_dev_pm_ops,
},
.probe = nct6775_probe,
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
"NCT6776D/F",
"NCT6779D",
"NCT6791D",
+ "NCT6792D",
};
/* nct6775_find() looks for a '627 in the Super-I/O config space */
case SIO_NCT6791_ID:
sio_data->kind = nct6791;
break;
+ case SIO_NCT6792_ID:
+ sio_data->kind = nct6792;
+ break;
+ case SIO_NCT6793_ID:
+ sio_data->kind = nct6793;
+ break;
default:
if (val != 0xffff)
pr_debug("unsupported chip ID: 0x%04x\n", val);
superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
}
- if (sio_data->kind == nct6791)
+ if (sio_data->kind == nct6791 || sio_data->kind == nct6792 ||
+ sio_data->kind == nct6793)
nct6791_enable_io_mapping(sioaddr);
superio_exit(sioaddr);
pdev[i] = platform_device_alloc(DRVNAME, address);
if (!pdev[i]) {
err = -ENOMEM;
- goto exit_device_put;
+ goto exit_device_unregister;
}
err = platform_device_add_data(pdev[i], &sio_data,
return 0;
exit_device_put:
- for (i = 0; i < ARRAY_SIZE(pdev); i++) {
+ platform_device_put(pdev[i]);
+exit_device_unregister:
+ while (--i >= 0) {
if (pdev[i])
- platform_device_put(pdev[i]);
+ platform_device_unregister(pdev[i]);
}
exit_unregister:
platform_driver_unregister(&nct6775_driver);
}
MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
-MODULE_DESCRIPTION("NCT6775F/NCT6776F/NCT6779D driver");
+MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips");
MODULE_LICENSE("GPL");
module_init(sensors_nct6775_init);
projects / groeck-nct6775 / blobdiff