4  * SPDX-License-Identifier: Apache-2.0
13 #include <zephyr/dt-bindings/sensor/tmp116.h>
28 static int tmp116_reg_read(const struct device *dev, uint8_t reg,  in tmp116_reg_read()  argument
31 	const struct tmp116_dev_config *cfg = dev->config;  in tmp116_reg_read()
33 	if (i2c_burst_read_dt(&cfg->bus, reg, (uint8_t *)val, 2)  in tmp116_reg_read()
35 		return -EIO;  in tmp116_reg_read()
43 static int tmp116_reg_write(const struct device *dev, uint8_t reg,  in tmp116_reg_write()  argument
46 	const struct tmp116_dev_config *cfg = dev->config;  in tmp116_reg_write()
47 	uint8_t tx_buf[3] = {reg, val >> 8, val & 0xFF};  in tmp116_reg_write()
49 	return i2c_write_dt(&cfg->bus, tx_buf, sizeof(tx_buf));  in tmp116_reg_write()
72 	struct tmp116_data *drv_data = dev->data;  in check_eeprom_bounds()
81 	if (drv_data->id == TMP117_DEVICE_ID &&  in check_eeprom_bounds()
93 	uint8_t reg;  in tmp116_eeprom_write()  local
98 		return -EINVAL;  in tmp116_eeprom_write()
106 	for (reg = (offset / 2); reg < offset / 2 + len / 2; reg++) {  in tmp116_eeprom_write()
109 		res = tmp116_reg_write(dev, reg + TMP116_REG_EEPROM1, val);  in tmp116_eeprom_write()
137 	uint8_t reg;  in tmp116_eeprom_read()  local
142 		return -EINVAL;  in tmp116_eeprom_read()
145 	for (reg = (offset / 2); reg < offset / 2 + len / 2; reg++) {  in tmp116_eeprom_read()
146 		res = tmp116_reg_read(dev, reg + TMP116_REG_EEPROM1, dst);  in tmp116_eeprom_read()
164  * @retval -EIO Otherwise
170 			dev->name);  in tmp116_device_id_check()
171 		return -EIO;  in tmp116_device_id_check()
176 			dev->name);  in tmp116_device_id_check()
177 		return -EINVAL;  in tmp116_device_id_check()
186 	struct tmp116_data *drv_data = dev->data;  in tmp116_sample_fetch()
189 	int rc;  in tmp116_sample_fetch()  local
195 	drv_data->sample = 0U;  in tmp116_sample_fetch()
198 	rc = tmp116_reg_read(dev, TMP116_REG_CFGR, &cfg_reg);  in tmp116_sample_fetch()
199 	if (rc < 0) {  in tmp116_sample_fetch()
201 			dev->name);  in tmp116_sample_fetch()
202 		return rc;  in tmp116_sample_fetch()
206 		LOG_DBG("%s: no data ready", dev->name);  in tmp116_sample_fetch()
207 		return -EBUSY;  in tmp116_sample_fetch()
211 	rc = tmp116_reg_read(dev, TMP116_REG_TEMP, &value);  in tmp116_sample_fetch()
212 	if (rc < 0) {  in tmp116_sample_fetch()
214 			dev->name);  in tmp116_sample_fetch()
215 		return rc;  in tmp116_sample_fetch()
219 	drv_data->sample = (int16_t)value;  in tmp116_sample_fetch()
228 	struct tmp116_data *drv_data = dev->data;  in tmp116_channel_get()
232 		return -ENOTSUP;  in tmp116_channel_get()
239 	tmp = ((int16_t)drv_data->sample * (int32_t)TMP116_RESOLUTION) / 10;  in tmp116_channel_get()
240 	val->val1 = tmp / 1000000; /* uCelsius */  in tmp116_channel_get()
241 	val->val2 = tmp % 1000000;  in tmp116_channel_get()
269 		return -EINVAL;  in tmp116_conv_value()
278 	struct tmp116_data *drv_data = dev->data;  in tmp116_attr_set()
283 		return -ENOTSUP;  in tmp116_attr_set()
296 		if (drv_data->id != TMP117_DEVICE_ID) {  in tmp116_attr_set()
298 			dev->name);  in tmp116_attr_set()
299 			return -EINVAL;  in tmp116_attr_set()
304 		value = (((val->val1) * 10000000) + ((val->val2) * 10))  in tmp116_attr_set()
311 		switch (val->val1) {  in tmp116_attr_set()
329 			return -EINVAL;  in tmp116_attr_set()
342 		return -ENOTSUP;  in tmp116_attr_set()
350 	int rc;  in tmp116_attr_get()  local
353 		return -ENOTSUP;  in tmp116_attr_get()
358 		rc = tmp116_reg_read(dev, TMP116_REG_CFGR, &data);  in tmp116_attr_get()
359 		if (rc < 0) {  in tmp116_attr_get()
360 			return rc;  in tmp116_attr_get()
364 		return -ENOTSUP;  in tmp116_attr_get()
367 	val->val1 = data;  in tmp116_attr_get()
368 	val->val2 = 0;  in tmp116_attr_get()
382 	struct tmp116_data *drv_data = dev->data;  in tmp116_init()
383 	const struct tmp116_dev_config *cfg = dev->config;  in tmp116_init()
384 	int rc;  in tmp116_init()  local
387 	if (!device_is_ready(cfg->bus.bus)) {  in tmp116_init()
388 		LOG_ERR("I2C dev %s not ready", cfg->bus.bus->name);  in tmp116_init()
389 		return -EINVAL;  in tmp116_init()
393 	rc = tmp116_device_id_check(dev, &id);  in tmp116_init()
394 	if (rc < 0) {  in tmp116_init()
395 		return rc;  in tmp116_init()
398 	drv_data->id = id;  in tmp116_init()
400 	rc = tmp116_write_config(dev, TMP116_CFGR_CONV, cfg->odr);  in tmp116_init()
402 	return rc;  in tmp116_init()