1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * cgbc-hwmon - Congatec Board Controller hardware monitoring driver
43 	"CPU Temperature",
44 	"Box Temperature",
45 	"Ambient Temperature",
46 	"Board Temperature",
47 	"Carrier Temperature",
48 	"Chipset Temperature",
49 	"Video Temperature",
50 	"Other Temperature",
51 	"TOPDIM Temperature",
52 	"BOTTOMDIM Temperature",
98 	struct cgbc_device_data *cgbc = hwmon->cgbc;  in cgbc_hwmon_probe_sensors()
99 	struct cgbc_hwmon_sensor *sensor = hwmon->sensors;  in cgbc_hwmon_probe_sensors()  local
109 	hwmon->sensors = devm_kzalloc(dev, sizeof(*hwmon->sensors) * nb_sensors, GFP_KERNEL);  in cgbc_hwmon_probe_sensors()
110 	sensor = hwmon->sensors;  in cgbc_hwmon_probe_sensors()
117 		 * No need to request data for the first sensor.  in cgbc_hwmon_probe_sensors()
118 		 * We got data for the first sensor when we ask the number of sensors to the Board  in cgbc_hwmon_probe_sensors()
128 		channel = FIELD_GET(CGBC_HWMON_ID_MASK, data[1]) - 1;  in cgbc_hwmon_probe_sensors()
131 			sensor->type = hwmon_temp;  in cgbc_hwmon_probe_sensors()
132 			sensor->label = cgbc_hwmon_labels_temp[channel];  in cgbc_hwmon_probe_sensors()
137 			 * Get the sensor type from cgbc_hwmon_labels_in[channel].type instead.  in cgbc_hwmon_probe_sensors()
139 			sensor->type = cgbc_hwmon_labels_in[channel].type;  in cgbc_hwmon_probe_sensors()
140 			sensor->label = cgbc_hwmon_labels_in[channel].label;  in cgbc_hwmon_probe_sensors()
143 			sensor->type = hwmon_fan;  in cgbc_hwmon_probe_sensors()
144 			sensor->label = cgbc_hwmon_labels_fan[channel];  in cgbc_hwmon_probe_sensors()
146 			dev_warn(dev, "Board Controller returned an unknown sensor (type=%d, channel=%d), ignore it",  in cgbc_hwmon_probe_sensors()
151 		sensor->active = FIELD_GET(CGBC_HWMON_ACTIVE_BIT, data[1]);  in cgbc_hwmon_probe_sensors()
152 		sensor->channel = channel;  in cgbc_hwmon_probe_sensors()
153 		sensor->index = i;  in cgbc_hwmon_probe_sensors()
154 		sensor++;  in cgbc_hwmon_probe_sensors()
155 		hwmon->nb_sensors++;  in cgbc_hwmon_probe_sensors()
164 	struct cgbc_hwmon_sensor *sensor = NULL;  in cgbc_hwmon_find_sensor()  local
175 	for (i = 0; i < hwmon->nb_sensors; i++) {  in cgbc_hwmon_find_sensor()
176 		if (hwmon->sensors[i].type == type && hwmon->sensors[i].channel == channel) {  in cgbc_hwmon_find_sensor()
177 			sensor = &hwmon->sensors[i];  in cgbc_hwmon_find_sensor()
182 	return sensor;  in cgbc_hwmon_find_sensor()
189 	struct cgbc_hwmon_sensor *sensor = cgbc_hwmon_find_sensor(hwmon, type, channel);  in cgbc_hwmon_read()  local
190 	struct cgbc_device_data *cgbc = hwmon->cgbc;  in cgbc_hwmon_read()
194 	ret = cgbc_hwmon_cmd(cgbc, sensor->index, &data[0]);  in cgbc_hwmon_read()
204 	if (sensor->type == hwmon_temp)  in cgbc_hwmon_read()
214 	struct cgbc_hwmon_sensor *sensor;  in cgbc_hwmon_is_visible()  local
216 	sensor = cgbc_hwmon_find_sensor(data, type, channel);  in cgbc_hwmon_is_visible()
217 	if (!sensor)  in cgbc_hwmon_is_visible()
220 	return sensor->active ? 0444 : 0;  in cgbc_hwmon_is_visible()
227 	struct cgbc_hwmon_sensor *sensor = cgbc_hwmon_find_sensor(hwmon, type, channel);  in cgbc_hwmon_read_string()  local
229 	*str = sensor->label;  in cgbc_hwmon_read_string()
272 	struct cgbc_device_data *cgbc = dev_get_drvdata(pdev->dev.parent);  in cgbc_hwmon_probe()
273 	struct device *dev = &pdev->dev;  in cgbc_hwmon_probe()
280 		return -ENOMEM;  in cgbc_hwmon_probe()
282 	data->cgbc = cgbc;  in cgbc_hwmon_probe()
295 		.name = "cgbc-hwmon",