/* Manufacturer IDs */
#define ADT_MANID 0x11d4 /* Analog Devices */
#define ATMEL_MANID 0x001f /* Atmel */
+#define ATMEL_MANID2 0x1114 /* Atmel */
#define MAX_MANID 0x004d /* Maxim */
#define IDT_MANID 0x00b3 /* IDT */
#define MCP_MANID 0x0054 /* Microchip */
#define AT30TS00_DEVID 0x8201
#define AT30TS00_DEVID_MASK 0xffff
+#define AT30TSE004_DEVID 0x2200
+#define AT30TSE004_DEVID_MASK 0xffff
+
/* IDT */
#define TS3000B3_DEVID 0x2903 /* Also matches TSE2002B3 */
#define TS3000B3_DEVID_MASK 0xffff
#define STTS2002_DEVID 0x0300
#define STTS2002_DEVID_MASK 0xffff
+#define STTS2004_DEVID 0x2201
+#define STTS2004_DEVID_MASK 0xffff
+
#define STTS3000_DEVID 0x0200
#define STTS3000_DEVID_MASK 0xffff
static struct jc42_chips jc42_chips[] = {
{ ADT_MANID, ADT7408_DEVID, ADT7408_DEVID_MASK },
{ ATMEL_MANID, AT30TS00_DEVID, AT30TS00_DEVID_MASK },
+ { ATMEL_MANID2, AT30TSE004_DEVID, AT30TSE004_DEVID_MASK },
{ IDT_MANID, TS3000B3_DEVID, TS3000B3_DEVID_MASK },
{ IDT_MANID, TS3000GB2_DEVID, TS3000GB2_DEVID_MASK },
{ MAX_MANID, MAX6604_DEVID, MAX6604_DEVID_MASK },
{ STM_MANID, STTS424_DEVID, STTS424_DEVID_MASK },
{ STM_MANID, STTS424E_DEVID, STTS424E_DEVID_MASK },
{ STM_MANID, STTS2002_DEVID, STTS2002_DEVID_MASK },
+ { STM_MANID, STTS2004_DEVID, STTS2004_DEVID_MASK },
{ STM_MANID, STTS3000_DEVID, STTS3000_DEVID_MASK },
};
+enum temp_index {
+ t_input = 0,
+ t_crit,
+ t_min,
+ t_max,
+ t_num_temp
+};
+
+static const u8 temp_regs[t_num_temp] = {
+ [t_input] = JC42_REG_TEMP,
+ [t_crit] = JC42_REG_TEMP_CRITICAL,
+ [t_min] = JC42_REG_TEMP_LOWER,
+ [t_max] = JC42_REG_TEMP_UPPER,
+};
+
/* Each client has this additional data */
struct jc42_data {
struct i2c_client *client;
unsigned long last_updated; /* In jiffies */
u16 orig_config; /* original configuration */
u16 config; /* current configuration */
- u16 temp_input; /* Temperatures */
- u16 temp_crit;
- u16 temp_min;
- u16 temp_max;
-};
-
-static int jc42_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info);
-static int jc42_remove(struct i2c_client *client);
-
-static struct jc42_data *jc42_update_device(struct device *dev);
-
-static const struct i2c_device_id jc42_id[] = {
- { "jc42", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, jc42_id);
-
-#ifdef CONFIG_PM
-
-static int jc42_suspend(struct device *dev)
-{
- struct jc42_data *data = dev_get_drvdata(dev);
-
- data->config |= JC42_CFG_SHUTDOWN;
- i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
- data->config);
- return 0;
-}
-
-static int jc42_resume(struct device *dev)
-{
- struct jc42_data *data = dev_get_drvdata(dev);
-
- data->config &= ~JC42_CFG_SHUTDOWN;
- i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
- data->config);
- return 0;
-}
-
-static const struct dev_pm_ops jc42_dev_pm_ops = {
- .suspend = jc42_suspend,
- .resume = jc42_resume,
-};
-
-#define JC42_DEV_PM_OPS (&jc42_dev_pm_ops)
-#else
-#define JC42_DEV_PM_OPS NULL
-#endif /* CONFIG_PM */
-
-/* This is the driver that will be inserted */
-static struct i2c_driver jc42_driver = {
- .class = I2C_CLASS_SPD,
- .driver = {
- .name = "jc42",
- .pm = JC42_DEV_PM_OPS,
- },
- .probe = jc42_probe,
- .remove = jc42_remove,
- .id_table = jc42_id,
- .detect = jc42_detect,
- .address_list = normal_i2c,
+ u16 temp[t_num_temp];/* Temperatures */
};
#define JC42_TEMP_MIN_EXTENDED (-40000)
return reg * 125 / 2;
}
-/* sysfs stuff */
-
-/* read routines for temperature limits */
-#define show(value) \
-static ssize_t show_##value(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- struct jc42_data *data = jc42_update_device(dev); \
- if (IS_ERR(data)) \
- return PTR_ERR(data); \
- return sprintf(buf, "%d\n", jc42_temp_from_reg(data->value)); \
+static struct jc42_data *jc42_update_device(struct device *dev)
+{
+ struct jc42_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+ struct jc42_data *ret = data;
+ int i, val;
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+ for (i = 0; i < t_num_temp; i++) {
+ val = i2c_smbus_read_word_swapped(client, temp_regs[i]);
+ if (val < 0) {
+ ret = ERR_PTR(val);
+ goto abort;
+ }
+ data->temp[i] = val;
+ }
+ data->last_updated = jiffies;
+ data->valid = true;
+ }
+abort:
+ mutex_unlock(&data->update_lock);
+ return ret;
}
-show(temp_input);
-show(temp_crit);
-show(temp_min);
-show(temp_max);
+/* sysfs functions */
-/* read routines for hysteresis values */
-static ssize_t show_temp_crit_hyst(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
+ char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct jc42_data *data = jc42_update_device(dev);
- int temp, hyst;
-
if (IS_ERR(data))
return PTR_ERR(data);
-
- temp = jc42_temp_from_reg(data->temp_crit);
- hyst = jc42_hysteresis[(data->config & JC42_CFG_HYST_MASK)
- >> JC42_CFG_HYST_SHIFT];
- return sprintf(buf, "%d\n", temp - hyst);
+ return sprintf(buf, "%d\n",
+ jc42_temp_from_reg(data->temp[attr->index]));
}
-static ssize_t show_temp_max_hyst(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t show_temp_hyst(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct jc42_data *data = jc42_update_device(dev);
int temp, hyst;
if (IS_ERR(data))
return PTR_ERR(data);
- temp = jc42_temp_from_reg(data->temp_max);
+ temp = jc42_temp_from_reg(data->temp[attr->index]);
hyst = jc42_hysteresis[(data->config & JC42_CFG_HYST_MASK)
>> JC42_CFG_HYST_SHIFT];
return sprintf(buf, "%d\n", temp - hyst);
}
-/* write routines */
-#define set(value, reg) \
-static ssize_t set_##value(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct jc42_data *data = dev_get_drvdata(dev); \
- int err, ret = count; \
- long val; \
- if (kstrtol(buf, 10, &val) < 0) \
- return -EINVAL; \
- mutex_lock(&data->update_lock); \
- data->value = jc42_temp_to_reg(val, data->extended); \
- err = i2c_smbus_write_word_swapped(data->client, reg, data->value); \
- if (err < 0) \
- ret = err; \
- mutex_unlock(&data->update_lock); \
- return ret; \
-}
+static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct jc42_data *data = dev_get_drvdata(dev);
+ int err, ret = count;
+ int nr = attr->index;
+ long val;
-set(temp_min, JC42_REG_TEMP_LOWER);
-set(temp_max, JC42_REG_TEMP_UPPER);
-set(temp_crit, JC42_REG_TEMP_CRITICAL);
+ if (kstrtol(buf, 10, &val) < 0)
+ return -EINVAL;
+ mutex_lock(&data->update_lock);
+ data->temp[nr] = jc42_temp_to_reg(val, data->extended);
+ err = i2c_smbus_write_word_swapped(data->client, temp_regs[nr],
+ data->temp[nr]);
+ if (err < 0)
+ ret = err;
+ mutex_unlock(&data->update_lock);
+ return ret;
+}
/*
* JC42.4 compliant chips only support four hysteresis values.
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
- diff = jc42_temp_from_reg(data->temp_crit) - val;
+ diff = jc42_temp_from_reg(data->temp[t_crit]) - val;
hyst = 0;
if (diff > 0) {
if (diff < 2250)
if (IS_ERR(data))
return PTR_ERR(data);
- val = data->temp_input;
+ val = data->temp[t_input];
if (bit != JC42_ALARM_CRIT_BIT && (data->config & JC42_CFG_CRIT_ONLY))
val = 0;
return sprintf(buf, "%u\n", (val >> bit) & 1);
}
-static DEVICE_ATTR(temp1_input, S_IRUGO,
- show_temp_input, NULL);
-static DEVICE_ATTR(temp1_crit, S_IRUGO,
- show_temp_crit, set_temp_crit);
-static DEVICE_ATTR(temp1_min, S_IRUGO,
- show_temp_min, set_temp_min);
-static DEVICE_ATTR(temp1_max, S_IRUGO,
- show_temp_max, set_temp_max);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input);
+static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp, set_temp, t_crit);
+static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO, show_temp, set_temp, t_min);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, set_temp, t_max);
-static DEVICE_ATTR(temp1_crit_hyst, S_IRUGO,
- show_temp_crit_hyst, set_temp_crit_hyst);
-static DEVICE_ATTR(temp1_max_hyst, S_IRUGO,
- show_temp_max_hyst, NULL);
+static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_hyst,
+ set_temp_crit_hyst, t_crit);
+static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp_hyst, NULL, t_max);
static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL,
JC42_ALARM_CRIT_BIT);
JC42_ALARM_MAX_BIT);
static struct attribute *jc42_attributes[] = {
- &dev_attr_temp1_input.attr,
- &dev_attr_temp1_crit.attr,
- &dev_attr_temp1_min.attr,
- &dev_attr_temp1_max.attr,
- &dev_attr_temp1_crit_hyst.attr,
- &dev_attr_temp1_max_hyst.attr,
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
unsigned int config = data->config;
bool readonly;
- if (attr == &dev_attr_temp1_crit.attr)
+ if (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr)
readonly = config & JC42_CFG_TCRIT_LOCK;
- else if (attr == &dev_attr_temp1_min.attr ||
- attr == &dev_attr_temp1_max.attr)
+ else if (attr == &sensor_dev_attr_temp1_min.dev_attr.attr ||
+ attr == &sensor_dev_attr_temp1_max.dev_attr.attr)
readonly = config & JC42_CFG_EVENT_LOCK;
- else if (attr == &dev_attr_temp1_crit_hyst.attr)
+ else if (attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr)
readonly = config & (JC42_CFG_EVENT_LOCK | JC42_CFG_TCRIT_LOCK);
else
readonly = true;
return 0;
}
-static struct jc42_data *jc42_update_device(struct device *dev)
+#ifdef CONFIG_PM
+
+static int jc42_suspend(struct device *dev)
{
struct jc42_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- struct jc42_data *ret = data;
- int val;
- mutex_lock(&data->update_lock);
+ data->config |= JC42_CFG_SHUTDOWN;
+ i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
+ data->config);
+ return 0;
+}
- if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
- val = i2c_smbus_read_word_swapped(client, JC42_REG_TEMP);
- if (val < 0) {
- ret = ERR_PTR(val);
- goto abort;
- }
- data->temp_input = val;
+static int jc42_resume(struct device *dev)
+{
+ struct jc42_data *data = dev_get_drvdata(dev);
- val = i2c_smbus_read_word_swapped(client,
- JC42_REG_TEMP_CRITICAL);
- if (val < 0) {
- ret = ERR_PTR(val);
- goto abort;
- }
- data->temp_crit = val;
+ data->config &= ~JC42_CFG_SHUTDOWN;
+ i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG,
+ data->config);
+ return 0;
+}
- val = i2c_smbus_read_word_swapped(client, JC42_REG_TEMP_LOWER);
- if (val < 0) {
- ret = ERR_PTR(val);
- goto abort;
- }
- data->temp_min = val;
+static const struct dev_pm_ops jc42_dev_pm_ops = {
+ .suspend = jc42_suspend,
+ .resume = jc42_resume,
+};
- val = i2c_smbus_read_word_swapped(client, JC42_REG_TEMP_UPPER);
- if (val < 0) {
- ret = ERR_PTR(val);
- goto abort;
- }
- data->temp_max = val;
+#define JC42_DEV_PM_OPS (&jc42_dev_pm_ops)
+#else
+#define JC42_DEV_PM_OPS NULL
+#endif /* CONFIG_PM */
- data->last_updated = jiffies;
- data->valid = true;
- }
-abort:
- mutex_unlock(&data->update_lock);
- return ret;
-}
+static const struct i2c_device_id jc42_id[] = {
+ { "jc42", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, jc42_id);
+
+static struct i2c_driver jc42_driver = {
+ .class = I2C_CLASS_SPD,
+ .driver = {
+ .name = "jc42",
+ .pm = JC42_DEV_PM_OPS,
+ },
+ .probe = jc42_probe,
+ .remove = jc42_remove,
+ .id_table = jc42_id,
+ .detect = jc42_detect,
+ .address_list = normal_i2c,
+};
module_i2c_driver(jc42_driver);
projects / firefly-linux-kernel-4.4.55.git / blobdiff