131 	u8 msg[8];  member
218 	} msg;  member
309 static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)  in ems_usb_rx_can_msg()  argument
320 	cf->can_id = le32_to_cpu(msg->msg.can_msg.id);  in ems_usb_rx_can_msg()
321 	cf->can_dlc = get_can_dlc(msg->msg.can_msg.length & 0xF);  in ems_usb_rx_can_msg()
323 	if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME ||  in ems_usb_rx_can_msg()
324 	    msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME)  in ems_usb_rx_can_msg()
327 	if (msg->type == CPC_MSG_TYPE_RTR_FRAME ||  in ems_usb_rx_can_msg()
328 	    msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME) {  in ems_usb_rx_can_msg()
332 			cf->data[i] = msg->msg.can_msg.msg[i];  in ems_usb_rx_can_msg()
341 static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)  in ems_usb_rx_err()  argument
351 	if (msg->type == CPC_MSG_TYPE_CAN_STATE) {  in ems_usb_rx_err()
352 		u8 state = msg->msg.can_state;  in ems_usb_rx_err()
367 	} else if (msg->type == CPC_MSG_TYPE_CAN_FRAME_ERROR) {  in ems_usb_rx_err()
368 		u8 ecc = msg->msg.error.cc.regs.sja1000.ecc;  in ems_usb_rx_err()
369 		u8 txerr = msg->msg.error.cc.regs.sja1000.txerr;  in ems_usb_rx_err()
370 		u8 rxerr = msg->msg.error.cc.regs.sja1000.rxerr;  in ems_usb_rx_err()
403 	} else if (msg->type == CPC_MSG_TYPE_OVERRUN) {  in ems_usb_rx_err()
444 		struct ems_cpc_msg *msg;  in ems_usb_read_bulk_callback()  local
453 			msg = (struct ems_cpc_msg *)&ibuf[start];  in ems_usb_read_bulk_callback()
455 			switch (msg->type) {  in ems_usb_read_bulk_callback()
458 				ems_usb_rx_err(dev, msg);  in ems_usb_read_bulk_callback()
465 				ems_usb_rx_can_msg(dev, msg);  in ems_usb_read_bulk_callback()
470 				ems_usb_rx_err(dev, msg);  in ems_usb_read_bulk_callback()
475 				ems_usb_rx_err(dev, msg);  in ems_usb_read_bulk_callback()
479 			start += CPC_MSG_HEADER_LEN + msg->length;  in ems_usb_read_bulk_callback()
545 static int ems_usb_command_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)  in ems_usb_command_msg()  argument
550 	memcpy(&dev->tx_msg_buffer[CPC_HEADER_SIZE], msg,  in ems_usb_command_msg()
551 	       msg->length + CPC_MSG_HEADER_LEN);  in ems_usb_command_msg()
558 			    msg->length + CPC_MSG_HEADER_LEN + CPC_HEADER_SIZE,  in ems_usb_command_msg()
567 	dev->active_params.msg.can_params.cc_params.sja1000.mode = mode;  in ems_usb_write_mode()
585 	cmd.msg.generic[0] = val;  in ems_usb_control_cmd()
748 	struct ems_cpc_msg *msg;  in ems_usb_start_xmit()  local
772 	msg = (struct ems_cpc_msg *)&buf[CPC_HEADER_SIZE];  in ems_usb_start_xmit()
774 	msg->msg.can_msg.id = cpu_to_le32(cf->can_id & CAN_ERR_MASK);  in ems_usb_start_xmit()
775 	msg->msg.can_msg.length = cf->can_dlc;  in ems_usb_start_xmit()
778 		msg->type = cf->can_id & CAN_EFF_FLAG ?  in ems_usb_start_xmit()
781 		msg->length = CPC_CAN_MSG_MIN_SIZE;  in ems_usb_start_xmit()
783 		msg->type = cf->can_id & CAN_EFF_FLAG ?  in ems_usb_start_xmit()
787 			msg->msg.can_msg.msg[i] = cf->data[i];  in ems_usb_start_xmit()
789 		msg->length = CPC_CAN_MSG_MIN_SIZE + cf->can_dlc;  in ems_usb_start_xmit()
938 	dev->active_params.msg.can_params.cc_params.sja1000.btr0 = btr0;  in ems_usb_set_bittiming()
939 	dev->active_params.msg.can_params.cc_params.sja1000.btr1 = btr1;  in ems_usb_set_bittiming()
944 static void init_params_sja1000(struct ems_cpc_msg *msg)  in init_params_sja1000()  argument
947 		&msg->msg.can_params.cc_params.sja1000;  in init_params_sja1000()
949 	msg->type = CPC_CMD_TYPE_CAN_PARAMS;  in init_params_sja1000()
950 	msg->length = sizeof(struct cpc_can_params);  in init_params_sja1000()
951 	msg->msgid = 0;  in init_params_sja1000()
953 	msg->msg.can_params.cc_type = CPC_CC_TYPE_SJA1000;  in init_params_sja1000()