59 		      struct cros_ec_command *msg)  in prepare_tx()  argument
66 	if (msg->outsize + sizeof(*request) > ec_dev->dout_size)  in prepare_tx()
73 	request->command = msg->command;  in prepare_tx()
74 	request->command_version = msg->version;  in prepare_tx()
76 	request->data_len = msg->outsize;  in prepare_tx()
82 	memcpy(out + sizeof(*request), msg->data, msg->outsize);  in prepare_tx()
83 	for (i = 0; i < msg->outsize; i++)  in prepare_tx()
84 		csum += msg->data[i];  in prepare_tx()
88 	return sizeof(*request) + msg->outsize;  in prepare_tx()
92 			     struct cros_ec_command *msg)  in prepare_tx_legacy()  argument
98 	if (msg->outsize > EC_PROTO2_MAX_PARAM_SIZE)  in prepare_tx_legacy()
102 	out[0] = EC_CMD_VERSION0 + msg->version;  in prepare_tx_legacy()
103 	out[1] = msg->command;  in prepare_tx_legacy()
104 	out[2] = msg->outsize;  in prepare_tx_legacy()
106 	for (i = 0; i < msg->outsize; i++)  in prepare_tx_legacy()
107 		csum += out[EC_MSG_TX_HEADER_BYTES + i] = msg->data[i];  in prepare_tx_legacy()
108 	out[EC_MSG_TX_HEADER_BYTES + msg->outsize] = csum;  in prepare_tx_legacy()
110 	return EC_MSG_TX_PROTO_BYTES + msg->outsize;  in prepare_tx_legacy()
113 static int cros_ec_xfer_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)  in cros_ec_xfer_command()  argument
116 	int (*xfer_fxn)(struct cros_ec_device *ec, struct cros_ec_command *msg);  in cros_ec_xfer_command()
133 	trace_cros_ec_request_start(msg);  in cros_ec_xfer_command()
134 	ret = (*xfer_fxn)(ec_dev, msg);  in cros_ec_xfer_command()
135 	trace_cros_ec_request_done(msg, ret);  in cros_ec_xfer_command()
143 		struct cros_ec_command msg;  in cros_ec_wait_until_complete()  member
146 	struct cros_ec_command *msg = &buf.msg;  in cros_ec_wait_until_complete()  local
150 	msg->version = 0;  in cros_ec_wait_until_complete()
151 	msg->command = EC_CMD_GET_COMMS_STATUS;  in cros_ec_wait_until_complete()
152 	msg->insize = sizeof(*status);  in cros_ec_wait_until_complete()
153 	msg->outsize = 0;  in cros_ec_wait_until_complete()
159 		ret = cros_ec_xfer_command(ec_dev, msg);  in cros_ec_wait_until_complete()
165 		*result = msg->result;  in cros_ec_wait_until_complete()
166 		if (msg->result != EC_RES_SUCCESS)  in cros_ec_wait_until_complete()
184 static int cros_ec_send_command(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)  in cros_ec_send_command()  argument
186 	int ret = cros_ec_xfer_command(ec_dev, msg);  in cros_ec_send_command()
188 	if (msg->result == EC_RES_IN_PROGRESS)  in cros_ec_send_command()
189 		ret = cros_ec_wait_until_complete(ec_dev, &msg->result);  in cros_ec_send_command()
197  * @msg: Message to write.
205 		       struct cros_ec_command *msg)  in cros_ec_prepare_tx()  argument
208 		return prepare_tx(ec_dev, msg);  in cros_ec_prepare_tx()
210 	return prepare_tx_legacy(ec_dev, msg);  in cros_ec_prepare_tx()
217  * @msg: Message to check.
228 			 struct cros_ec_command *msg)  in cros_ec_check_result()  argument
230 	switch (msg->result) {  in cros_ec_check_result()
235 			msg->command);  in cros_ec_check_result()
239 			msg->command, msg->result);  in cros_ec_check_result()
259 	struct cros_ec_command *msg;  in cros_ec_get_host_event_wake_mask()  local
263 	msg = kzalloc(sizeof(*msg) + sizeof(*r), GFP_KERNEL);  in cros_ec_get_host_event_wake_mask()
264 	if (!msg)  in cros_ec_get_host_event_wake_mask()
267 	msg->command = EC_CMD_HOST_EVENT_GET_WAKE_MASK;  in cros_ec_get_host_event_wake_mask()
268 	msg->insize = sizeof(*r);  in cros_ec_get_host_event_wake_mask()
270 	ret = cros_ec_send_command(ec_dev, msg);  in cros_ec_get_host_event_wake_mask()
274 	mapped = cros_ec_map_error(msg->result);  in cros_ec_get_host_event_wake_mask()
285 	r = (struct ec_response_host_event_mask *)msg->data;  in cros_ec_get_host_event_wake_mask()
289 	kfree(msg);  in cros_ec_get_host_event_wake_mask()
295 	struct cros_ec_command *msg;  in cros_ec_rwsig_continue()  local
302 	msg = kmalloc(sizeof(*msg) + sizeof(*rwsig_action), GFP_KERNEL);  in cros_ec_rwsig_continue()
303 	if (!msg)  in cros_ec_rwsig_continue()
306 	msg->version = 0;  in cros_ec_rwsig_continue()
307 	msg->command = EC_CMD_RWSIG_ACTION;  in cros_ec_rwsig_continue()
308 	msg->insize = 0;  in cros_ec_rwsig_continue()
309 	msg->outsize = sizeof(*rwsig_action);  in cros_ec_rwsig_continue()
311 	rwsig_action = (struct ec_params_rwsig_action *)msg->data;  in cros_ec_rwsig_continue()
315 		ret = cros_ec_send_command(ec_dev, msg);  in cros_ec_rwsig_continue()
320 		} else if (msg->result == EC_RES_INVALID_COMMAND) {  in cros_ec_rwsig_continue()
327 		} else if (msg->result != EC_RES_SUCCESS) {  in cros_ec_rwsig_continue()
329 			ret = cros_ec_map_error(msg->result);  in cros_ec_rwsig_continue()
345 	kfree(msg);  in cros_ec_rwsig_continue()
353 	struct cros_ec_command *msg;  in cros_ec_get_proto_info()  local
361 	msg = kzalloc(sizeof(*msg) + sizeof(*info), GFP_KERNEL);  in cros_ec_get_proto_info()
362 	if (!msg)  in cros_ec_get_proto_info()
365 	msg->command = EC_CMD_PASSTHRU_OFFSET(devidx) | EC_CMD_GET_PROTOCOL_INFO;  in cros_ec_get_proto_info()
366 	msg->insize = sizeof(*info);  in cros_ec_get_proto_info()
368 	ret = cros_ec_send_command(ec_dev, msg);  in cros_ec_get_proto_info()
377 	mapped = cros_ec_map_error(msg->result);  in cros_ec_get_proto_info()
388 	info = (struct ec_response_get_protocol_info *)msg->data;  in cros_ec_get_proto_info()
416 	kfree(msg);  in cros_ec_get_proto_info()
422 	struct cros_ec_command *msg;  in cros_ec_get_proto_info_legacy()  local
429 	msg = kzalloc(sizeof(*msg) + max(sizeof(*params), sizeof(*response)), GFP_KERNEL);  in cros_ec_get_proto_info_legacy()
430 	if (!msg)  in cros_ec_get_proto_info_legacy()
433 	msg->command = EC_CMD_HELLO;  in cros_ec_get_proto_info_legacy()
434 	msg->insize = sizeof(*response);  in cros_ec_get_proto_info_legacy()
435 	msg->outsize = sizeof(*params);  in cros_ec_get_proto_info_legacy()
437 	params = (struct ec_params_hello *)msg->data;  in cros_ec_get_proto_info_legacy()
440 	ret = cros_ec_send_command(ec_dev, msg);  in cros_ec_get_proto_info_legacy()
446 	mapped = cros_ec_map_error(msg->result);  in cros_ec_get_proto_info_legacy()
449 		dev_err(ec_dev->dev, "EC responded to v2 hello with error: %d\n", msg->result);  in cros_ec_get_proto_info_legacy()
458 	response = (struct ec_response_hello *)msg->data;  in cros_ec_get_proto_info_legacy()
477 	kfree(msg);  in cros_ec_get_proto_info_legacy()
500 	struct cros_ec_command *msg;  in cros_ec_get_host_command_version_mask()  local
503 	msg = kmalloc(sizeof(*msg) + max(sizeof(*rver), sizeof(*pver)),  in cros_ec_get_host_command_version_mask()
505 	if (!msg)  in cros_ec_get_host_command_version_mask()
508 	msg->version = 0;  in cros_ec_get_host_command_version_mask()
509 	msg->command = EC_CMD_GET_CMD_VERSIONS;  in cros_ec_get_host_command_version_mask()
510 	msg->insize = sizeof(*rver);  in cros_ec_get_host_command_version_mask()
511 	msg->outsize = sizeof(*pver);  in cros_ec_get_host_command_version_mask()
513 	pver = (struct ec_params_get_cmd_versions *)msg->data;  in cros_ec_get_host_command_version_mask()
516 	ret = cros_ec_send_command(ec_dev, msg);  in cros_ec_get_host_command_version_mask()
520 	mapped = cros_ec_map_error(msg->result);  in cros_ec_get_host_command_version_mask()
531 	rver = (struct ec_response_get_cmd_versions *)msg->data;  in cros_ec_get_host_command_version_mask()
535 	kfree(msg);  in cros_ec_get_host_command_version_mask()
640  * @msg: Message to write.
652  *      reported in msg->result. The result will be EC_RES_SUCCESS if the
657 int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)  in cros_ec_cmd_xfer()  argument
672 	if (msg->insize > ec_dev->max_response) {  in cros_ec_cmd_xfer()
674 		msg->insize = ec_dev->max_response;  in cros_ec_cmd_xfer()
677 	if (msg->command < EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX)) {  in cros_ec_cmd_xfer()
678 		if (msg->outsize > ec_dev->max_request) {  in cros_ec_cmd_xfer()
681 				msg->outsize,  in cros_ec_cmd_xfer()
687 		if (msg->outsize > ec_dev->max_passthru) {  in cros_ec_cmd_xfer()
690 				msg->outsize,  in cros_ec_cmd_xfer()
697 	ret = cros_ec_send_command(ec_dev, msg);  in cros_ec_cmd_xfer()
707  * @msg: Message to write.
718 			    struct cros_ec_command *msg)  in cros_ec_cmd_xfer_status()  argument
722 	ret = cros_ec_cmd_xfer(ec_dev, msg);  in cros_ec_cmd_xfer_status()
726 	mapped = cros_ec_map_error(msg->result);  in cros_ec_cmd_xfer_status()
729 			msg->result, mapped);  in cros_ec_cmd_xfer_status()
738 			       struct cros_ec_command *msg,  in get_next_event_xfer()  argument
744 	msg->version = version;  in get_next_event_xfer()
745 	msg->command = EC_CMD_GET_NEXT_EVENT;  in get_next_event_xfer()
746 	msg->insize = size;  in get_next_event_xfer()
747 	msg->outsize = 0;  in get_next_event_xfer()
749 	ret = cros_ec_cmd_xfer_status(ec_dev, msg);  in get_next_event_xfer()
761 		struct cros_ec_command msg;  in get_next_event()  member
764 	struct cros_ec_command *msg = &buf.msg;  in get_next_event()  local
769 	memset(msg, 0, sizeof(*msg));  in get_next_event()
788 	return get_next_event_xfer(ec_dev, msg, event, cmd_version, size);  in get_next_event()
795 	struct cros_ec_command *msg = (struct cros_ec_command *)&buffer;  in get_keyboard_state_event()  local
797 	msg->version = 0;  in get_keyboard_state_event()
798 	msg->command = EC_CMD_MKBP_STATE;  in get_keyboard_state_event()
799 	msg->insize = sizeof(ec_dev->event_data.data);  in get_keyboard_state_event()
800 	msg->outsize = 0;  in get_keyboard_state_event()
802 	ec_dev->event_size = cros_ec_cmd_xfer_status(ec_dev, msg);  in get_keyboard_state_event()
804 	memcpy(&ec_dev->event_data.data, msg->data,  in get_keyboard_state_event()
1002 	struct cros_ec_command *msg;  in cros_ec_get_sensor_count()  local
1006 	msg = kzalloc(sizeof(*msg) + max(sizeof(*params), sizeof(*resp)),  in cros_ec_get_sensor_count()
1008 	if (!msg)  in cros_ec_get_sensor_count()
1011 	msg->version = 1;  in cros_ec_get_sensor_count()
1012 	msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset;  in cros_ec_get_sensor_count()
1013 	msg->outsize = sizeof(*params);  in cros_ec_get_sensor_count()
1014 	msg->insize = sizeof(*resp);  in cros_ec_get_sensor_count()
1016 	params = (struct ec_params_motion_sense *)msg->data;  in cros_ec_get_sensor_count()
1019 	ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);  in cros_ec_get_sensor_count()
1023 		resp = (struct ec_response_motion_sense *)msg->data;  in cros_ec_get_sensor_count()
1026 	kfree(msg);  in cros_ec_get_sensor_count()
1073 	struct cros_ec_command *msg;  in cros_ec_cmd()  local
1076 	msg = kzalloc(sizeof(*msg) + max(insize, outsize), GFP_KERNEL);  in cros_ec_cmd()
1077 	if (!msg)  in cros_ec_cmd()
1080 	msg->version = version;  in cros_ec_cmd()
1081 	msg->command = command;  in cros_ec_cmd()
1082 	msg->outsize = outsize;  in cros_ec_cmd()
1083 	msg->insize = insize;  in cros_ec_cmd()
1086 		memcpy(msg->data, outdata, outsize);  in cros_ec_cmd()
1088 	ret = cros_ec_cmd_xfer_status(ec_dev, msg);  in cros_ec_cmd()
1093 		memcpy(indata, msg->data, insize);  in cros_ec_cmd()
1095 	kfree(msg);  in cros_ec_cmd()