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path: root/drivers/hwmon/nct6775-core.c
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Diffstat (limited to 'drivers/hwmon/nct6775-core.c')
-rw-r--r--drivers/hwmon/nct6775-core.c90
1 files changed, 57 insertions, 33 deletions
diff --git a/drivers/hwmon/nct6775-core.c b/drivers/hwmon/nct6775-core.c
index 02a71244fc3b..79bc67ffb998 100644
--- a/drivers/hwmon/nct6775-core.c
+++ b/drivers/hwmon/nct6775-core.c
@@ -42,6 +42,9 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#undef DEFAULT_SYMBOL_NAMESPACE
+#define DEFAULT_SYMBOL_NAMESPACE "HWMON_NCT6775"
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -56,26 +59,23 @@
#include "lm75.h"
#include "nct6775.h"
-#undef DEFAULT_SYMBOL_NAMESPACE
-#define DEFAULT_SYMBOL_NAMESPACE HWMON_NCT6775
-
#define USE_ALTERNATE
/* used to set data->name = nct6775_device_names[data->sio_kind] */
static const char * const nct6775_device_names[] = {
- "nct6106",
- "nct6116",
- "nct6775",
- "nct6776",
- "nct6779",
- "nct6791",
- "nct6792",
- "nct6793",
- "nct6795",
- "nct6796",
- "nct6797",
- "nct6798",
- "nct6799",
+ [nct6106] = "nct6106",
+ [nct6116] = "nct6116",
+ [nct6775] = "nct6775",
+ [nct6776] = "nct6776",
+ [nct6779] = "nct6779",
+ [nct6791] = "nct6791",
+ [nct6792] = "nct6792",
+ [nct6793] = "nct6793",
+ [nct6795] = "nct6795",
+ [nct6796] = "nct6796",
+ [nct6797] = "nct6797",
+ [nct6798] = "nct6798",
+ [nct6799] = "nct6799",
};
/* Common and NCT6775 specific data */
@@ -273,8 +273,8 @@ static const s8 NCT6776_BEEP_BITS[NUM_BEEP_BITS] = {
static const u16 NCT6776_REG_TOLERANCE_H[] = {
0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c, 0xb0c };
-static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 };
-static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 };
+static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0, 0 };
+static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0, 0 };
static const u16 NCT6776_REG_FAN_MIN[] = {
0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c };
@@ -767,9 +767,9 @@ static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 };
static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6 };
static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4 };
-static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3 };
-static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04 };
-static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c };
+static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3, 0, 0 };
+static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04, 0, 0 };
+static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c, 0xd8, 0xd9 };
static const u16 NCT6106_REG_FAN_MODE[] = { 0x113, 0x123, 0x133 };
static const u16 NCT6106_REG_TEMP_SOURCE[] = {
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5 };
@@ -1614,17 +1614,21 @@ struct nct6775_data *nct6775_update_device(struct device *dev)
data->fan_div[i]);
if (data->has_fan_min & BIT(i)) {
- err = nct6775_read_value(data, data->REG_FAN_MIN[i], &reg);
+ u16 tmp;
+
+ err = nct6775_read_value(data, data->REG_FAN_MIN[i], &tmp);
if (err)
goto out;
- data->fan_min[i] = reg;
+ data->fan_min[i] = tmp;
}
if (data->REG_FAN_PULSES[i]) {
- err = nct6775_read_value(data, data->REG_FAN_PULSES[i], &reg);
+ u16 tmp;
+
+ err = nct6775_read_value(data, data->REG_FAN_PULSES[i], &tmp);
if (err)
goto out;
- data->fan_pulses[i] = (reg >> data->FAN_PULSE_SHIFT[i]) & 0x03;
+ data->fan_pulses[i] = (tmp >> data->FAN_PULSE_SHIFT[i]) & 0x03;
}
err = nct6775_select_fan_div(dev, data, i, reg);
@@ -1910,6 +1914,10 @@ static umode_t nct6775_in_is_visible(struct kobject *kobj,
struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
int in = index / 5; /* voltage index */
+ int nr = index % 5; /* attribute index */
+
+ if (nr == 1 && data->ALARM_BITS[in] == -1)
+ return 0;
if (!(data->have_in & BIT(in)))
return 0;
@@ -2254,7 +2262,7 @@ store_temp_offset(struct device *dev, struct device_attribute *attr,
if (err < 0)
return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000);
mutex_lock(&data->update_lock);
data->temp_offset[nr] = val;
@@ -2545,6 +2553,13 @@ store_pwm(struct device *dev, struct device_attribute *attr, const char *buf,
int err;
u16 reg;
+ /*
+ * The fan control mode should be set to manual if the user wants to adjust
+ * the fan speed. Otherwise, it will fail to set.
+ */
+ if (index == 0 && data->pwm_enable[nr] > manual)
+ return -EBUSY;
+
err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
@@ -2863,8 +2878,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr,
if (err < 0)
return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0,
- data->target_temp_mask);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, data->target_temp_mask * 1000), 1000);
mutex_lock(&data->update_lock);
data->target_temp[nr] = val;
@@ -2944,7 +2958,7 @@ store_temp_tolerance(struct device *dev, struct device_attribute *attr,
return err;
/* Limit tolerance as needed */
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, data->tolerance_mask * 1000), 1000);
mutex_lock(&data->update_lock);
data->temp_tolerance[index][nr] = val;
@@ -3070,7 +3084,7 @@ store_weight_temp(struct device *dev, struct device_attribute *attr,
if (err < 0)
return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 255000), 1000);
mutex_lock(&data->update_lock);
data->weight_temp[index][nr] = val;
@@ -3497,6 +3511,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit;
const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL;
int num_reg_temp, num_reg_temp_mon, num_reg_tsi_temp;
+ int num_reg_temp_config;
struct device *hwmon_dev;
struct sensor_template_group tsi_temp_tg;
@@ -3579,6 +3594,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6106_REG_TEMP_OVER;
reg_temp_hyst = NCT6106_REG_TEMP_HYST;
reg_temp_config = NCT6106_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6106_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6106_REG_TEMP_CRIT;
reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L;
@@ -3587,7 +3603,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
break;
case nct6116:
data->in_num = 9;
- data->pwm_num = 3;
+ data->pwm_num = 5;
data->auto_pwm_num = 4;
data->temp_fixed_num = 3;
data->num_temp_alarms = 3;
@@ -3654,6 +3670,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6106_REG_TEMP_OVER;
reg_temp_hyst = NCT6106_REG_TEMP_HYST;
reg_temp_config = NCT6106_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6106_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6106_REG_TEMP_CRIT;
reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L;
@@ -3731,6 +3748,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6775_REG_TEMP_OVER;
reg_temp_hyst = NCT6775_REG_TEMP_HYST;
reg_temp_config = NCT6775_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6775_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6775_REG_TEMP_CRIT;
@@ -3806,6 +3824,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6775_REG_TEMP_OVER;
reg_temp_hyst = NCT6775_REG_TEMP_HYST;
reg_temp_config = NCT6776_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6776_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6776_REG_TEMP_CRIT;
@@ -3885,6 +3904,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6779_REG_TEMP_OVER;
reg_temp_hyst = NCT6779_REG_TEMP_HYST;
reg_temp_config = NCT6779_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6779_REG_TEMP_CRIT;
@@ -4019,6 +4039,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6779_REG_TEMP_OVER;
reg_temp_hyst = NCT6779_REG_TEMP_HYST;
reg_temp_config = NCT6779_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6779_REG_TEMP_CRIT;
@@ -4108,6 +4129,7 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
reg_temp_over = NCT6798_REG_TEMP_OVER;
reg_temp_hyst = NCT6798_REG_TEMP_HYST;
reg_temp_config = NCT6779_REG_TEMP_CONFIG;
+ num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG);
reg_temp_alternate = NCT6798_REG_TEMP_ALTERNATE;
reg_temp_crit = NCT6798_REG_TEMP_CRIT;
@@ -4189,7 +4211,8 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
= reg_temp_crit[src - 1];
if (reg_temp_crit_l && reg_temp_crit_l[i])
data->reg_temp[4][src - 1] = reg_temp_crit_l[i];
- data->reg_temp_config[src - 1] = reg_temp_config[i];
+ if (i < num_reg_temp_config)
+ data->reg_temp_config[src - 1] = reg_temp_config[i];
data->temp_src[src - 1] = src;
continue;
}
@@ -4202,7 +4225,8 @@ int nct6775_probe(struct device *dev, struct nct6775_data *data,
data->reg_temp[0][s] = reg_temp[i];
data->reg_temp[1][s] = reg_temp_over[i];
data->reg_temp[2][s] = reg_temp_hyst[i];
- data->reg_temp_config[s] = reg_temp_config[i];
+ if (i < num_reg_temp_config)
+ data->reg_temp_config[s] = reg_temp_config[i];
if (reg_temp_crit_h && reg_temp_crit_h[i])
data->reg_temp[3][s] = reg_temp_crit_h[i];
else if (reg_temp_crit[src - 1])
generated by cgit (git 2.34.1) at 2025-12-25 07:26:01 +0000