1 // SPDX-License-Identifier: GPL-2.0+
9  * - CPU temperature
10  * - DIMM temperature
11  * - Chassis zone temperatures
12  * - CPU fan RPM
13  * - DIMM fan RPM
14  * - Chassis fans RPM
69 static int px_temp_map[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
89 static int gen_temp_map[] = {0, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
106 static int px_fan_map[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
111 	"Front_Fan1-1",
112 	"Front_Fan1-2",
127 static int p7_fan_map[] = {0, 2, 3, 4, 5, 6, 7, 8, 10, 11, 14};
143 static int p5_fan_map[] = {0, 5, 6, 7, 8, 10, 11, 14};
156 static int p8_fan_map[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14};
184 lenovo_ec_do_read_temp(struct ec_sensors_data *data, u32 attr, int channel, long *val)  in lenovo_ec_do_read_temp()  argument
190 		mutex_lock(&data->mec_mutex);  in lenovo_ec_do_read_temp()
191 		lsb = get_ec_reg(2, 0x81 + channel);  in lenovo_ec_do_read_temp()
192 		mutex_unlock(&data->mec_mutex);  in lenovo_ec_do_read_temp()
194 			return -ENODATA;  in lenovo_ec_do_read_temp()
195 		*val = (lsb - 0x40) * 1000;  in lenovo_ec_do_read_temp()
198 		return -EOPNOTSUPP;  in lenovo_ec_do_read_temp()
203 lenovo_ec_do_read_fan(struct ec_sensors_data *data, u32 attr, int channel, long *val)  in lenovo_ec_do_read_fan()  argument
207 	channel *= 2;  in lenovo_ec_do_read_fan()
210 		mutex_lock(&data->mec_mutex);  in lenovo_ec_do_read_fan()
211 		lsb = get_ec_reg(4, 0x20 + channel);  in lenovo_ec_do_read_fan()
212 		msb = get_ec_reg(4, 0x21 + channel);  in lenovo_ec_do_read_fan()
213 		mutex_unlock(&data->mec_mutex);  in lenovo_ec_do_read_fan()
217 		mutex_lock(&data->mec_mutex);  in lenovo_ec_do_read_fan()
218 		lsb = get_ec_reg(4, 0x40 + channel);  in lenovo_ec_do_read_fan()
219 		msb = get_ec_reg(4, 0x41 + channel);  in lenovo_ec_do_read_fan()
220 		mutex_unlock(&data->mec_mutex);  in lenovo_ec_do_read_fan()
224 		return -EOPNOTSUPP;  in lenovo_ec_do_read_fan()
230 			    u32 attr, int channel, const char **str)  in lenovo_ec_hwmon_read_string()  argument
236 		*str = state->temp_labels[channel];  in lenovo_ec_hwmon_read_string()
239 		*str = state->fan_labels[channel];  in lenovo_ec_hwmon_read_string()
242 		return -EOPNOTSUPP;  in lenovo_ec_hwmon_read_string()
248 		     u32 attr, int channel, long *val)  in lenovo_ec_hwmon_read()  argument
254 		return lenovo_ec_do_read_temp(data, attr, data->temp_map[channel], val);  in lenovo_ec_hwmon_read()
256 		return lenovo_ec_do_read_fan(data, attr, data->fan_map[channel], val);  in lenovo_ec_hwmon_read()
258 		return -EOPNOTSUPP;  in lenovo_ec_hwmon_read()
264 			   u32 attr, int channel)  in lenovo_ec_hwmon_is_visible()  argument
488 	struct device *dev = &pdev->dev;  in lenovo_ec_probe()
494 		return -ENOMEM;  in lenovo_ec_probe()
496 	if (!request_region(IO_REGION_START, IO_REGION_LENGTH, "LNV-WKS")) {  in lenovo_ec_probe()
498 		return -EIO;  in lenovo_ec_probe()
505 	mutex_init(&ec_data->mec_mutex);  in lenovo_ec_probe()
507 	mutex_lock(&ec_data->mec_mutex);  in lenovo_ec_probe()
512 	mutex_unlock(&ec_data->mec_mutex);  in lenovo_ec_probe()
519 		return -ENODEV;  in lenovo_ec_probe()
524 	switch ((long)dmi_id->driver_data) {  in lenovo_ec_probe()
526 		ec_data->fan_labels = px_ec_fan_label;  in lenovo_ec_probe()
527 		ec_data->temp_labels = lenovo_px_ec_temp_label;  in lenovo_ec_probe()
528 		ec_data->fan_map = px_fan_map;  in lenovo_ec_probe()
529 		ec_data->temp_map = px_temp_map;  in lenovo_ec_probe()
533 		ec_data->fan_labels = p7_ec_fan_label;  in lenovo_ec_probe()
534 		ec_data->temp_labels = lenovo_gen_ec_temp_label;  in lenovo_ec_probe()
535 		ec_data->fan_map = p7_fan_map;  in lenovo_ec_probe()
536 		ec_data->temp_map = gen_temp_map;  in lenovo_ec_probe()
540 		ec_data->fan_labels = p5_ec_fan_label;  in lenovo_ec_probe()
541 		ec_data->temp_labels = lenovo_gen_ec_temp_label;  in lenovo_ec_probe()
542 		ec_data->fan_map = p5_fan_map;  in lenovo_ec_probe()
543 		ec_data->temp_map = gen_temp_map;  in lenovo_ec_probe()
547 		ec_data->fan_labels = p8_ec_fan_label;  in lenovo_ec_probe()
548 		ec_data->temp_labels = lenovo_gen_ec_temp_label;  in lenovo_ec_probe()
549 		ec_data->fan_map = p8_fan_map;  in lenovo_ec_probe()
550 		ec_data->temp_map = gen_temp_map;  in lenovo_ec_probe()
555 		return -ENODEV;  in lenovo_ec_probe()
567 		.name	= "lenovo-ec-sensors",
577 		return -ENODEV;  in lenovo_ec_init()