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 	if (!hwmon->sensors)  in cgbc_hwmon_probe_sensors()
111 		return -ENOMEM;  in cgbc_hwmon_probe_sensors()
113 	sensor = hwmon->sensors;  in cgbc_hwmon_probe_sensors()
120 		 * No need to request data for the first sensor.  in cgbc_hwmon_probe_sensors()
121 		 * We got data for the first sensor when we ask the number of sensors to the Board  in cgbc_hwmon_probe_sensors()
131 		channel = FIELD_GET(CGBC_HWMON_ID_MASK, data[1]) - 1;  in cgbc_hwmon_probe_sensors()
134 			sensor->type = hwmon_temp;  in cgbc_hwmon_probe_sensors()
135 			sensor->label = cgbc_hwmon_labels_temp[channel];  in cgbc_hwmon_probe_sensors()
140 			 * Get the sensor type from cgbc_hwmon_labels_in[channel].type instead.  in cgbc_hwmon_probe_sensors()
142 			sensor->type = cgbc_hwmon_labels_in[channel].type;  in cgbc_hwmon_probe_sensors()
143 			sensor->label = cgbc_hwmon_labels_in[channel].label;  in cgbc_hwmon_probe_sensors()
146 			sensor->type = hwmon_fan;  in cgbc_hwmon_probe_sensors()
147 			sensor->label = cgbc_hwmon_labels_fan[channel];  in cgbc_hwmon_probe_sensors()
149 			dev_warn(dev, "Board Controller returned an unknown sensor (type=%d, channel=%d), ignore it",  in cgbc_hwmon_probe_sensors()
154 		sensor->active = FIELD_GET(CGBC_HWMON_ACTIVE_BIT, data[1]);  in cgbc_hwmon_probe_sensors()
155 		sensor->channel = channel;  in cgbc_hwmon_probe_sensors()
156 		sensor->index = i;  in cgbc_hwmon_probe_sensors()
157 		sensor++;  in cgbc_hwmon_probe_sensors()
158 		hwmon->nb_sensors++;  in cgbc_hwmon_probe_sensors()
167 	struct cgbc_hwmon_sensor *sensor = NULL;  in cgbc_hwmon_find_sensor()  local
178 	for (i = 0; i < hwmon->nb_sensors; i++) {  in cgbc_hwmon_find_sensor()
179 		if (hwmon->sensors[i].type == type && hwmon->sensors[i].channel == channel) {  in cgbc_hwmon_find_sensor()
180 			sensor = &hwmon->sensors[i];  in cgbc_hwmon_find_sensor()
185 	return sensor;  in cgbc_hwmon_find_sensor()
192 	struct cgbc_hwmon_sensor *sensor = cgbc_hwmon_find_sensor(hwmon, type, channel);  in cgbc_hwmon_read()  local
193 	struct cgbc_device_data *cgbc = hwmon->cgbc;  in cgbc_hwmon_read()
197 	ret = cgbc_hwmon_cmd(cgbc, sensor->index, &data[0]);  in cgbc_hwmon_read()
207 	if (sensor->type == hwmon_temp)  in cgbc_hwmon_read()
217 	struct cgbc_hwmon_sensor *sensor;  in cgbc_hwmon_is_visible()  local
219 	sensor = cgbc_hwmon_find_sensor(data, type, channel);  in cgbc_hwmon_is_visible()
220 	if (!sensor)  in cgbc_hwmon_is_visible()
223 	return sensor->active ? 0444 : 0;  in cgbc_hwmon_is_visible()
230 	struct cgbc_hwmon_sensor *sensor = cgbc_hwmon_find_sensor(hwmon, type, channel);  in cgbc_hwmon_read_string()  local
232 	*str = sensor->label;  in cgbc_hwmon_read_string()
275 	struct cgbc_device_data *cgbc = dev_get_drvdata(pdev->dev.parent);  in cgbc_hwmon_probe()
276 	struct device *dev = &pdev->dev;  in cgbc_hwmon_probe()
283 		return -ENOMEM;  in cgbc_hwmon_probe()
285 	data->cgbc = cgbc;  in cgbc_hwmon_probe()
298 		.name = "cgbc-hwmon",