1 // SPDX-License-Identifier: GPL-2.0
19 #define DRV_NAME		"cros-ec-sensorhub"
53 	struct cros_ec_command *msg = sensorhub->msg;  in cros_ec_sensorhub_register()
54 	struct cros_ec_dev *ec = sensorhub->ec;  in cros_ec_sensorhub_register()  local
59 	msg->version = 1;  in cros_ec_sensorhub_register()
60 	msg->insize = sizeof(struct ec_response_motion_sense);  in cros_ec_sensorhub_register()
61 	msg->outsize = sizeof(struct ec_params_motion_sense);  in cros_ec_sensorhub_register()
63 	for (i = 0; i < sensorhub->sensor_num; i++) {  in cros_ec_sensorhub_register()
64 		sensorhub->params->cmd = MOTIONSENSE_CMD_INFO;  in cros_ec_sensorhub_register()
65 		sensorhub->params->info.sensor_num = i;  in cros_ec_sensorhub_register()
67 		ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);  in cros_ec_sensorhub_register()
69 			dev_warn(dev, "no info for EC sensor %d : %d/%d\n",  in cros_ec_sensorhub_register()
70 				 i, ret, msg->result);  in cros_ec_sensorhub_register()
74 		switch (sensorhub->resp->info.type) {  in cros_ec_sensorhub_register()
76 			name = "cros-ec-accel";  in cros_ec_sensorhub_register()
79 			name = "cros-ec-baro";  in cros_ec_sensorhub_register()
82 			name = "cros-ec-gyro";  in cros_ec_sensorhub_register()
85 			name = "cros-ec-mag";  in cros_ec_sensorhub_register()
88 			name = "cros-ec-prox";  in cros_ec_sensorhub_register()
91 			name = "cros-ec-light";  in cros_ec_sensorhub_register()
94 			name = "cros-ec-activity";  in cros_ec_sensorhub_register()
98 				 sensorhub->resp->info.type);  in cros_ec_sensorhub_register()
106 		sensor_type[sensorhub->resp->info.type]++;  in cros_ec_sensorhub_register()
110 		ec->has_kb_wake_angle = true;  in cros_ec_sensorhub_register()
112 	if (cros_ec_check_features(ec,  in cros_ec_sensorhub_register()
115 							"cros-ec-lid-angle",  in cros_ec_sensorhub_register()
126 	struct device *dev = &pdev->dev;  in cros_ec_sensorhub_probe()
127 	struct cros_ec_dev *ec = dev_get_drvdata(dev->parent);  in cros_ec_sensorhub_probe()  local
134 			       ec->ec_dev->max_response), GFP_KERNEL);  in cros_ec_sensorhub_probe()
136 		return -ENOMEM;  in cros_ec_sensorhub_probe()
138 	msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset;  in cros_ec_sensorhub_probe()
142 		return -ENOMEM;  in cros_ec_sensorhub_probe()
144 	mutex_init(&data->cmd_lock);  in cros_ec_sensorhub_probe()
146 	data->dev = dev;  in cros_ec_sensorhub_probe()
147 	data->ec = ec;  in cros_ec_sensorhub_probe()
148 	data->msg = msg;  in cros_ec_sensorhub_probe()
149 	data->params = (struct ec_params_motion_sense *)msg->data;  in cros_ec_sensorhub_probe()
150 	data->resp = (struct ec_response_motion_sense *)msg->data;  in cros_ec_sensorhub_probe()
154 	/* Check whether this EC is a sensor hub. */  in cros_ec_sensorhub_probe()
155 	if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) {  in cros_ec_sensorhub_probe()
156 		sensor_num = cros_ec_get_sensor_count(ec);  in cros_ec_sensorhub_probe()
165 			return -EINVAL;  in cros_ec_sensorhub_probe()
167 		data->sensor_num = sensor_num;  in cros_ec_sensorhub_probe()
173 		if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {  in cros_ec_sensorhub_probe()
185 		 * When the EC does not have a FIFO, the sensors will query  in cros_ec_sensorhub_probe()
188 		if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {  in cros_ec_sensorhub_probe()
206 		data->sensor_num = 2;  in cros_ec_sensorhub_probe()
207 		for (i = 0; i < data->sensor_num; i++) {  in cros_ec_sensorhub_probe()
209 						"cros-ec-accel-legacy", i);  in cros_ec_sensorhub_probe()
221  * When the EC is suspending, we must stop sending interrupt,
223  * Tell the EC to stop sending non-interrupt event on the iio ring.
228 	struct cros_ec_dev *ec = sensorhub->ec;  in cros_ec_sensorhub_suspend()  local
230 	if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO))  in cros_ec_sensorhub_suspend()
238 	struct cros_ec_dev *ec = sensorhub->ec;  in cros_ec_sensorhub_resume()  local
240 	if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO))  in cros_ec_sensorhub_resume()
262 MODULE_DESCRIPTION("ChromeOS EC MEMS Sensor Hub Driver");