static ssize_t store_pwm_sensor(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
unsigned long val = simple_strtoul(buf, NULL, 10) - 1;
ssize_t ret = count;
mutex_lock(&data->update_lock);
if (val < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]) {
u8 orig_val = data->pwm_settings[attr->index][0];
u8 address = data->bank1_address[ABIT_UGURU_TEMP_SENSOR][val];
data->pwm_settings[attr->index][0] &= 0xF0;
data->pwm_settings[attr->index][0] |= address;
if (data->pwm_settings[attr->index][0] != orig_val) {
if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
attr->index,
data->pwm_settings[attr->index],
5) < 1) {
data->pwm_settings[attr->index][0] = orig_val;
ret = -EIO;
}
}
}
else
ret = -EINVAL;
mutex_unlock(&data->update_lock);
return ret;
}
static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
u8 orig_val, user_val = simple_strtoul(buf, NULL, 10);
ssize_t ret = count;
mutex_lock(&data->update_lock);
orig_val = data->pwm_settings[attr->index][0];
switch (user_val) {
case 0:
data->pwm_settings[attr->index][0] &=
~ABIT_UGURU_FAN_PWM_ENABLE;
break;
case 2:
data->pwm_settings[attr->index][0] |=
ABIT_UGURU_FAN_PWM_ENABLE;
break;
default:
ret = -EINVAL;
}
if ((data->pwm_settings[attr->index][0] != orig_val) &&
(abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
attr->index, data->pwm_settings[attr->index],
5) < 1)) {
data->pwm_settings[attr->index][0] = orig_val;
ret = -EIO;
}
mutex_unlock(&data->update_lock);
return ret;
}
/*
* Generic counter attributes
*/
static ssize_t ds1682_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
struct i2c_client *client = to_i2c_client(dev);
__le32 val = 0;
int rc;
dev_dbg(dev, "ds1682_show() called on %s\n", attr->attr.name);
/* Read the register */
rc = i2c_smbus_read_i2c_block_data(client, sattr->index, sattr->nr,
(u8 *) & val);
if (rc < 0)
return -EIO;
/* Special case: the 32 bit regs are time values with 1/4s
* resolution, scale them up to milliseconds */
if (sattr->nr == 4)
return sprintf(buf, "%llu\n",
((unsigned long long)le32_to_cpu(val)) * 250);
/* Format the output string and return # of bytes */
return sprintf(buf, "%li\n", (long)le32_to_cpu(val));
}
static ssize_t store_bank2_mask(struct device *dev,
struct device_attribute *devattr, const char *buf, size_t count)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
int mask = simple_strtoul(buf, NULL, 10);
ssize_t ret = count;
u8 orig_val;
mutex_lock(&data->update_lock);
orig_val = data->bank2_settings[attr->index][0];
if (mask)
data->bank2_settings[attr->index][0] |= attr->nr;
else
data->bank2_settings[attr->index][0] &= ~attr->nr;
if ((data->bank2_settings[attr->index][0] != orig_val) &&
(abituguru_write(data,
ABIT_UGURU_SENSOR_BANK2 + 2, attr->index,
data->bank2_settings[attr->index], 2) < 1)) {
data->bank2_settings[attr->index][0] = orig_val;
ret = -EIO;
}
mutex_unlock(&data->update_lock);
return ret;
}
// Set input signal state value
static ssize_t set_in(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute_2
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr;
long val = simple_strtol(buf, NULL, 10);
if(val < 0)
return 0;
mutex_lock(&aio_data->update_lock);
switch (fn) {
case SYS_IN_DEBOUNCE:
if(val < 20 || val > 3000)
val = 20; // min value in milliseconds
aio_data->debounce_time[ix] = val;
break;
default:
printk("%s(): Unknown function %d.\n", __func__, fn);
break;
}
mutex_unlock(&aio_data->update_lock);
return count;
}
/* Function called on read access on in{0,1,2,3,4,5,6,7}_{min,max} */
static ssize_t max197_show_range(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct max197_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
int channel = attr->index;
bool is_min = attr->nr;
int range;
if (mutex_lock_interruptible(&data->lock))
return -ERESTARTSYS;
range = max197_is_full_range(data, channel) ?
data->limit : data->limit / 2;
if (is_min) {
if (max197_is_bipolar(data, channel))
range = -range;
else
range = 0;
}
mutex_unlock(&data->lock);
return sprintf(buf, "%d\n", range);
}
static ssize_t store_bit(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct thermal_data *data = i2c_get_clientdata(client);
struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
unsigned long val;
int retval;
if (kstrtoul(buf, 10, &val))
return -EINVAL;
mutex_lock(&data->mutex);
retval = i2c_smbus_read_byte_data(client, sda->nr);
if (retval < 0)
goto fail;
retval &= ~sda->index;
if (val)
retval |= sda->index;
retval = i2c_smbus_write_byte_data(client, sda->index, retval);
if (retval == 0)
retval = count;
fail:
mutex_unlock(&data->mutex);
return retval;
}
static ssize_t store_bank2_setting(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
unsigned long val;
ssize_t ret;
ret = kstrtoul(buf, 10, &val);
if (ret)
return ret;
ret = count;
val = (val * 255 + ABIT_UGURU_FAN_MAX / 2) / ABIT_UGURU_FAN_MAX;
if (val < abituguru_bank2_min_threshold ||
val > abituguru_bank2_max_threshold)
return -EINVAL;
mutex_lock(&data->update_lock);
if (data->bank2_settings[attr->index][attr->nr] != val) {
u8 orig_val = data->bank2_settings[attr->index][attr->nr];
data->bank2_settings[attr->index][attr->nr] = val;
if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK2 + 2,
attr->index, data->bank2_settings[attr->index],
2) <= attr->nr) {
data->bank2_settings[attr->index][attr->nr] = orig_val;
ret = -EIO;
}
}
mutex_unlock(&data->update_lock);
return ret;
}
static ssize_t show_pwm_setting(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", data->pwm_settings[attr->index][attr->nr] *
abituguru_pwm_settings_multiplier[attr->nr]);
}
static ssize_t show_bank2_setting(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n",
(data->bank2_settings[attr->index][attr->nr] *
ABIT_UGURU_FAN_MAX + 128) / 255);
}
static ssize_t
show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
{
struct nct6683_data *data = nct6683_update_device(dev);
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
int index = sattr->index;
return sprintf(buf, "%d\n", data->pwm[index]);
}
static ssize_t
show_temp8(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
struct nct6683_data *data = nct6683_update_device(dev);
int index = sattr->index;
int nr = sattr->nr;
return sprintf(buf, "%d\n", data->temp[index][nr] * 1000);
}
static ssize_t show_bank2_value(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = abituguru_update_device(dev);
if (!data)
return -EIO;
return sprintf(buf, "%d\n", (data->bank2_value[attr->index] *
ABIT_UGURU_FAN_MAX + 128) / 255);
}
static ssize_t show_pwm_enable(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
int res = 0;
if (data->pwm_settings[attr->index][0] & ABIT_UGURU_FAN_PWM_ENABLE)
res = 2;
return sprintf(buf, "%d\n", res);
}
static ssize_t show_bank2_mask(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
if (data->bank2_settings[attr->index][0] & attr->nr)
return sprintf(buf, "1\n");
else
return sprintf(buf, "0\n");
}
static ssize_t ltc4215_show_alarm(struct device *dev,
struct device_attribute *da,
char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
struct ltc4215_data *data = ltc4215_update_device(dev);
const u8 reg = data->regs[attr->index];
const u32 mask = attr->nr;
return snprintf(buf, PAGE_SIZE, "%u\n", (reg & mask) ? 1 : 0);
}
static ssize_t
show_in_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
struct nct6683_data *data = nct6683_update_device(dev);
int index = sattr->index;
int nr = sattr->nr;
return sprintf(buf, "%ld\n",
in_from_reg(data->in[index][nr], data->in_index[index]));
}
static ssize_t show_pwm_auto_point_fan(struct device *dev,
struct device_attribute *devattr,
char* buf)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
int pwmnr = attr->nr;
int apnr = attr->index;
return sprintf(buf, "%ld\n",
fan_from_reg(data->auto_points[pwmnr].fan[apnr]));
}
/* Function called on write access on in{0,1,2,3,4,5,6,7}_{min,max} */
static ssize_t max197_store_range(struct device *dev,
struct device_attribute *devattr,
const char *buf, size_t count)
{
struct max197_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
int channel = attr->index;
bool is_min = attr->nr;
long value;
int half = data->limit / 2;
int full = data->limit;
if (kstrtol(buf, 10, &value))
return -EINVAL;
if (is_min) {
if (value <= -full)
value = -full;
else if (value < 0)
value = -half;
else
value = 0;
} else {
if (value >= full)
value = full;
else
value = half;
}
if (mutex_lock_interruptible(&data->lock))
return -ERESTARTSYS;
if (value == 0) {
/* We can deduce only the polarity */
max197_set_unipolarity(data, channel);
} else if (value == -half) {
max197_set_bipolarity(data, channel);
max197_set_half_range(data, channel);
} else if (value == -full) {
max197_set_bipolarity(data, channel);
max197_set_full_range(data, channel);
} else if (value == half) {
/* We can deduce only the range */
max197_set_half_range(data, channel);
} else if (value == full) {
/* We can deduce only the range */
max197_set_full_range(data, channel);
}
mutex_unlock(&data->lock);
return count;
}
static ssize_t show_bit(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
struct thermal_data *data = dev_get_drvdata(dev);
int retval;
retval = i2c_smbus_read_byte_data(data->client, sda->nr);
if (retval < 0)
return retval;
return sprintf(buf, "%d\n", !!(retval & sda->index));
}
static ssize_t show_bit(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct i2c_client *client = to_i2c_client(dev);
struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
int retval = i2c_smbus_read_byte_data(client, sda->nr);
if (retval < 0)
return retval;
retval &= sda->index;
return sprintf(buf, "%d\n", retval ? 1 : 0);
}
static ssize_t show_bank2_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = abituguru_update_device(dev);
if (!data)
return -EIO;
if (data->alarms[2] & (0x01 << attr->index))
return sprintf(buf, "1\n");
else
return sprintf(buf, "0\n");
}
/*
* Show boolean, either a fault or an alarm.
* .nr points to the register, .index is the bit mask to check
*/
static ssize_t pem_show_bool(struct device *dev,
struct device_attribute *da, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
struct pem_data *data = pem_update_device(dev);
u8 status;
if (IS_ERR(data))
return PTR_ERR(data);
status = data->data_string[attr->nr] & attr->index;
return snprintf(buf, PAGE_SIZE, "%d\n", !!status);
}
static ssize_t show_pwm_sensor(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
int i;
for (i = 0; i < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]; i++)
if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][i] ==
(data->pwm_settings[attr->index][0] & 0x0F))
return sprintf(buf, "%d\n", i+1);
return -ENXIO;
}
static ssize_t show_bank1_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = abituguru_update_device(dev);
if (!data)
return -EIO;
if ((data->alarms[attr->index / 8] & (0x01 << (attr->index % 8))) &&
(data->bank1_settings[attr->index][0] & attr->nr))
return sprintf(buf, "1\n");
else
return sprintf(buf, "0\n");
}
static ssize_t store_pwm_setting(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
struct abituguru_data *data = dev_get_drvdata(dev);
u8 min;
unsigned long val;
ssize_t ret;
ret = kstrtoul(buf, 10, &val);
if (ret)
return ret;
ret = count;
val = (val + abituguru_pwm_settings_multiplier[attr->nr] / 2) /
abituguru_pwm_settings_multiplier[attr->nr];
if ((attr->index == 0) && ((attr->nr == 1) || (attr->nr == 2)))
min = 77;
else
min = abituguru_pwm_min[attr->nr];
if (val < min || val > abituguru_pwm_max[attr->nr])
return -EINVAL;
mutex_lock(&data->update_lock);
if ((attr->nr & 1) &&
(val >= data->pwm_settings[attr->index][attr->nr + 1]))
ret = -EINVAL;
else if (!(attr->nr & 1) &&
(val <= data->pwm_settings[attr->index][attr->nr - 1]))
ret = -EINVAL;
else if (data->pwm_settings[attr->index][attr->nr] != val) {
u8 orig_val = data->pwm_settings[attr->index][attr->nr];
data->pwm_settings[attr->index][attr->nr] = val;
if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
attr->index, data->pwm_settings[attr->index],
5) <= attr->nr) {
data->pwm_settings[attr->index][attr->nr] =
orig_val;
ret = -EIO;
}
}
mutex_unlock(&data->update_lock);
return ret;
}
static ssize_t ltc4222_bool_show(struct device *dev,
struct device_attribute *da, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
struct regmap *regmap = dev_get_drvdata(dev);
unsigned int fault;
int ret;
ret = regmap_read(regmap, attr->nr, &fault);
if (ret < 0)
return ret;
fault &= attr->index;
if (fault) /* Clear reported faults in chip register */
regmap_update_bits(regmap, attr->nr, attr->index, 0);
return snprintf(buf, PAGE_SIZE, "%d\n", !!fault);
}
// Show input signal state value
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
char *buf)
{
// struct dme1737_data *data = dme1737_update_device(dev);
struct sensor_device_attribute_2
*sensor_attr_2 = to_sensor_dev_attr_2(attr);
int ix = sensor_attr_2->index;
int fn = sensor_attr_2->nr; // attribute function
int res;
if( ix > AUTOMOTIVE_TOTAL_INPUTS_NUM-1 || ix < 0 ){
return sprintf(buf, "in%d - NO HW SUPPORT\n", ix);
}
if (ix < AUTOMOTIVE_GPIO_MAX_INPUTS) {
if (-1 == aio_data->pdata->gpio_in[ix]) {
return sprintf(buf, "in%d - NO HW SUPPORT\n", ix);
}
}
switch (fn) {
case SYS_IN_INPUT:
#if defined (CONFIG_MICRONET_MCU_GENERIC)
if (ix >= AUTOMOTIVE_GPIO_MAX_INPUTS) {// MCU input case
res = mic_mcu_get_input_value(ix - AUTOMOTIVE_GPIO_MAX_INPUTS)
^ aio_data->pdata->in_active_low[ix];
} else
#endif
{
res = gpio_get_value(aio_data->pdata->gpio_in[ix])
^ (aio_data->pdata->in_active_low[ix]);
}
break;
case SYS_IN_DEBOUNCE:
res = aio_data->debounce_time[ix];
break;
case SYS_IN_ACTIVE_LOW:
res = aio_data->pdata->in_active_low[ix];
break;
default:
res = 0;
return printk("%s: Unknown function %d.\n", __func__, fn);
}
return sprintf(buf, "%d\n", res);
}
static ssize_t set_pwm_auto_point_fan(struct device *dev,
struct device_attribute *devattr,
const char* buf, size_t count)
{
struct f71805f_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
int pwmnr = attr->nr;
int apnr = attr->index;
unsigned long val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val);
f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr),
data->auto_points[pwmnr].fan[apnr]);
mutex_unlock(&data->update_lock);
return count;
}
/*
* Generic counter attributes
*/
static ssize_t ds1682_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
struct i2c_client *client = to_i2c_client(dev);
unsigned long long val, check;
__le32 val_le = 0;
int rc;
dev_dbg(dev, "ds1682_show() called on %s\n", attr->attr.name);
/* Read the register */
rc = i2c_smbus_read_i2c_block_data(client, sattr->index, sattr->nr,
(u8 *)&val_le);
if (rc < 0)
return -EIO;
val = le32_to_cpu(val_le);
if (sattr->index == DS1682_REG_ELAPSED) {
int retries = 5;
/* Detect and retry when a tick occurs mid-read */
do {
rc = i2c_smbus_read_i2c_block_data(client, sattr->index,
sattr->nr,
(u8 *)&val_le);
if (rc < 0 || retries <= 0)
return -EIO;
check = val;
val = le32_to_cpu(val_le);
retries--;
} while (val != check && val != (check + 1));
}
/* Format the output string and return # of bytes
* Special case: the 32 bit regs are time values with 1/4s
* resolution, scale them up to milliseconds
*/
return sprintf(buf, "%llu\n", (sattr->nr == 4) ? (val * 250) : val);
}
