11  * See Documentation/usb/usb-serial.rst for more information on using this
28 #include <linux/serial.h>
29 #include <linux/usb/serial.h>
70 static int  whiteheat_firmware_download(struct usb_serial *serial,
72 static int  whiteheat_firmware_attach(struct usb_serial *serial);
74 /* function prototypes for the Connect Tech WhiteHEAT serial converter */
75 static int  whiteheat_attach(struct usb_serial *serial);
76 static void whiteheat_release(struct usb_serial *serial);
147 static int start_command_port(struct usb_serial *serial);
148 static void stop_command_port(struct usb_serial *serial);
187 static int whiteheat_firmware_download(struct usb_serial *serial,  in whiteheat_firmware_download()  argument
192 	response = ezusb_fx1_ihex_firmware_download(serial->dev, "whiteheat_loader.fw");  in whiteheat_firmware_download()
194 		response = ezusb_fx1_ihex_firmware_download(serial->dev, "whiteheat.fw");  in whiteheat_firmware_download()
202 static int whiteheat_firmware_attach(struct usb_serial *serial)  in whiteheat_firmware_attach()  argument
210  * Connect Tech's White Heat serial driver functions
213 static int whiteheat_attach(struct usb_serial *serial)  in whiteheat_attach()  argument
224 	command_port = serial->port[COMMAND_PORT];  in whiteheat_attach()
226 	pipe = usb_sndbulkpipe(serial->dev,  in whiteheat_attach()
242 	usb_clear_halt(serial->dev, pipe);  in whiteheat_attach()
243 	ret = usb_bulk_msg(serial->dev, pipe, command, 2,  in whiteheat_attach()
246 		dev_err(&serial->dev->dev, "%s: Couldn't send command [%d]\n",  in whiteheat_attach()
247 			serial->type->description, ret);  in whiteheat_attach()
250 		dev_err(&serial->dev->dev, "%s: Send command incomplete [%d]\n",  in whiteheat_attach()
251 			serial->type->description, alen);  in whiteheat_attach()
255 	pipe = usb_rcvbulkpipe(serial->dev,  in whiteheat_attach()
258 	usb_clear_halt(serial->dev, pipe);  in whiteheat_attach()
259 	ret = usb_bulk_msg(serial->dev, pipe, result,  in whiteheat_attach()
262 		dev_err(&serial->dev->dev, "%s: Couldn't get results [%d]\n",  in whiteheat_attach()
263 			serial->type->description, ret);  in whiteheat_attach()
266 		dev_err(&serial->dev->dev, "%s: Get results incomplete [%d]\n",  in whiteheat_attach()
267 			serial->type->description, alen);  in whiteheat_attach()
270 		dev_err(&serial->dev->dev, "%s: Command failed [%d]\n",  in whiteheat_attach()
271 			serial->type->description, result[0]);  in whiteheat_attach()
277 	dev_info(&serial->dev->dev, "%s: Firmware v%d.%02d\n",  in whiteheat_attach()
278 		 serial->type->description,  in whiteheat_attach()
299 	dev_err(&serial->dev->dev,  in whiteheat_attach()
301 		serial->type->description);  in whiteheat_attach()
302 	dev_err(&serial->dev->dev,  in whiteheat_attach()
304 		serial->type->description);  in whiteheat_attach()
305 	dev_err(&serial->dev->dev,  in whiteheat_attach()
307 		serial->type->description);  in whiteheat_attach()
320 static void whiteheat_release(struct usb_serial *serial)  in whiteheat_release()  argument
325 	command_port = serial->port[COMMAND_PORT];  in whiteheat_release()
354 	retval = start_command_port(port->serial);  in whiteheat_open()
361 		stop_command_port(port->serial);  in whiteheat_open()
368 		stop_command_port(port->serial);  in whiteheat_open()
376 	usb_clear_halt(port->serial->dev, port->read_urb->pipe);  in whiteheat_open()
377 	usb_clear_halt(port->serial->dev, port->write_urb->pipe);  in whiteheat_open()
382 		stop_command_port(port->serial);  in whiteheat_open()
397 	stop_command_port(port->serial);  in whiteheat_close()
542 	command_port = port->serial->port[COMMAND_PORT];  in firm_send_command()
757 static int start_command_port(struct usb_serial *serial)  in start_command_port()  argument
763 	command_port = serial->port[COMMAND_PORT];  in start_command_port()
768 		usb_clear_halt(serial->dev, command_port->read_urb->pipe);  in start_command_port()
772 			dev_err(&serial->dev->dev,  in start_command_port()
786 static void stop_command_port(struct usb_serial *serial)  in stop_command_port()  argument
791 	command_port = serial->port[COMMAND_PORT];  in stop_command_port()