/*
* Trip points in the lookup table should be in ascending order for both
* temperatures and PWM output values.
*/
static int lm63_lut_looks_bad(struct device *dev, struct lm63_data *data)
{
int i;
mutex_lock(&data->update_lock);
lm63_update_lut(data);
for (i = 1; i < data->lut_size; i++) {
if (data->pwm1[1 + i - 1] > data->pwm1[1 + i]
|| data->temp8[3 + i - 1] > data->temp8[3 + i]) {
dev_warn(dev,
"Lookup table doesn't look sane (check entries %d and %d)\n",
i, i + 1);
break;
}
}
mutex_unlock(&data->update_lock);
return i == data->lut_size ? 0 : 1;
}
/*
* Trip points in the lookup table should be in ascending order for both
* temperatures and PWM output values.
*/
static int lm63_lut_looks_bad(struct i2c_client *client)
{
struct lm63_data *data = i2c_get_clientdata(client);
int i;
mutex_lock(&data->update_lock);
lm63_update_lut(client);
for (i = 1; i < data->lut_size; i++) {
if (data->pwm1[1 + i - 1] > data->pwm1[1 + i]
|| data->temp8[3 + i - 1] > data->temp8[3 + i]) {
dev_warn(&client->dev,
"Lookup table doesn't look sane (check entries %d and %d)\n",
i, i + 1);
break;
}
}
mutex_unlock(&data->update_lock);
return i == data->lut_size ? 0 : 1;
}
static struct lm63_data *lm63_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
unsigned long next_update;
mutex_lock(&data->update_lock);
next_update = data->last_updated
+ msecs_to_jiffies(data->update_interval) + 1;
if (time_after(jiffies, next_update) || !data->valid) {
if (data->config & 0x04) { /* tachometer enabled */
/* order matters for fan1_input */
data->fan[0] = i2c_smbus_read_byte_data(client,
LM63_REG_TACH_COUNT_LSB) & 0xFC;
data->fan[0] |= i2c_smbus_read_byte_data(client,
LM63_REG_TACH_COUNT_MSB) << 8;
data->fan[1] = (i2c_smbus_read_byte_data(client,
LM63_REG_TACH_LIMIT_LSB) & 0xFC)
| (i2c_smbus_read_byte_data(client,
LM63_REG_TACH_LIMIT_MSB) << 8);
}
data->pwm1_freq = i2c_smbus_read_byte_data(client,
LM63_REG_PWM_FREQ);
if (data->pwm1_freq == 0)
data->pwm1_freq = 1;
data->pwm1[0] = i2c_smbus_read_byte_data(client,
LM63_REG_PWM_VALUE);
data->temp8[0] = i2c_smbus_read_byte_data(client,
LM63_REG_LOCAL_TEMP);
data->temp8[1] = i2c_smbus_read_byte_data(client,
LM63_REG_LOCAL_HIGH);
/* order matters for temp2_input */
data->temp11[0] = i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_TEMP_MSB) << 8;
data->temp11[0] |= i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_TEMP_LSB);
data->temp11[1] = (i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_LOW_MSB) << 8)
| i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_LOW_LSB);
data->temp11[2] = (i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_HIGH_MSB) << 8)
| i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_HIGH_LSB);
data->temp11[3] = (i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_OFFSET_MSB) << 8)
| i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_OFFSET_LSB);
if (data->kind == lm96163)
data->temp11u = (i2c_smbus_read_byte_data(client,
LM96163_REG_REMOTE_TEMP_U_MSB) << 8)
| i2c_smbus_read_byte_data(client,
LM96163_REG_REMOTE_TEMP_U_LSB);
data->temp8[2] = i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_TCRIT);
data->temp2_crit_hyst = i2c_smbus_read_byte_data(client,
LM63_REG_REMOTE_TCRIT_HYST);
data->alarms = i2c_smbus_read_byte_data(client,
LM63_REG_ALERT_STATUS) & 0x7F;
data->last_updated = jiffies;
data->valid = 1;
}
lm63_update_lut(client);
mutex_unlock(&data->update_lock);
return data;
}
