11  * See Documentation/usb/usb-serial.rst for more information on using this
28 #include <linux/serial.h>
29 #include <linux/usb/serial.h>
74 static int  whiteheat_firmware_download(struct usb_serial *serial,
76 static int  whiteheat_firmware_attach(struct usb_serial *serial);
78 /* function prototypes for the Connect Tech WhiteHEAT serial converter */
79 static int  whiteheat_attach(struct usb_serial *serial);
80 static void whiteheat_release(struct usb_serial *serial);
152 static int start_command_port(struct usb_serial *serial);
153 static void stop_command_port(struct usb_serial *serial);
193 static int whiteheat_firmware_download(struct usb_serial *serial,  in whiteheat_firmware_download()  argument
198 	response = ezusb_fx1_ihex_firmware_download(serial->dev, "whiteheat_loader.fw");  in whiteheat_firmware_download()
200 		response = ezusb_fx1_ihex_firmware_download(serial->dev, "whiteheat.fw");  in whiteheat_firmware_download()
208 static int whiteheat_firmware_attach(struct usb_serial *serial)  in whiteheat_firmware_attach()  argument
216  * Connect Tech's White Heat serial driver functions
219 static int whiteheat_attach(struct usb_serial *serial)  in whiteheat_attach()  argument
230 	command_port = serial->port[COMMAND_PORT];  in whiteheat_attach()
232 	pipe = usb_sndbulkpipe(serial->dev,  in whiteheat_attach()
248 	usb_clear_halt(serial->dev, pipe);  in whiteheat_attach()
249 	ret = usb_bulk_msg(serial->dev, pipe, command, 2,  in whiteheat_attach()
252 		dev_err(&serial->dev->dev, "%s: Couldn't send command [%d]\n",  in whiteheat_attach()
253 			serial->type->description, ret);  in whiteheat_attach()
256 		dev_err(&serial->dev->dev, "%s: Send command incomplete [%d]\n",  in whiteheat_attach()
257 			serial->type->description, alen);  in whiteheat_attach()
261 	pipe = usb_rcvbulkpipe(serial->dev,  in whiteheat_attach()
264 	usb_clear_halt(serial->dev, pipe);  in whiteheat_attach()
265 	ret = usb_bulk_msg(serial->dev, pipe, result,  in whiteheat_attach()
268 		dev_err(&serial->dev->dev, "%s: Couldn't get results [%d]\n",  in whiteheat_attach()
269 			serial->type->description, ret);  in whiteheat_attach()
272 		dev_err(&serial->dev->dev, "%s: Get results incomplete [%d]\n",  in whiteheat_attach()
273 			serial->type->description, alen);  in whiteheat_attach()
276 		dev_err(&serial->dev->dev, "%s: Command failed [%d]\n",  in whiteheat_attach()
277 			serial->type->description, result[0]);  in whiteheat_attach()
283 	dev_info(&serial->dev->dev, "%s: Firmware v%d.%02d\n",  in whiteheat_attach()
284 		 serial->type->description,  in whiteheat_attach()
305 	dev_err(&serial->dev->dev,  in whiteheat_attach()
307 		serial->type->description);  in whiteheat_attach()
308 	dev_err(&serial->dev->dev,  in whiteheat_attach()
310 		serial->type->description);  in whiteheat_attach()
311 	dev_err(&serial->dev->dev,  in whiteheat_attach()
313 		serial->type->description);  in whiteheat_attach()
326 static void whiteheat_release(struct usb_serial *serial)  in whiteheat_release()  argument
331 	command_port = serial->port[COMMAND_PORT];  in whiteheat_release()
362 	retval = start_command_port(port->serial);  in whiteheat_open()
369 		stop_command_port(port->serial);  in whiteheat_open()
376 		stop_command_port(port->serial);  in whiteheat_open()
384 	usb_clear_halt(port->serial->dev, port->read_urb->pipe);  in whiteheat_open()
385 	usb_clear_halt(port->serial->dev, port->write_urb->pipe);  in whiteheat_open()
390 		stop_command_port(port->serial);  in whiteheat_open()
405 	stop_command_port(port->serial);  in whiteheat_close()
560 	command_port = port->serial->port[COMMAND_PORT];  in firm_send_command()
782 static int start_command_port(struct usb_serial *serial)  in start_command_port()  argument
788 	command_port = serial->port[COMMAND_PORT];  in start_command_port()
793 		usb_clear_halt(serial->dev, command_port->read_urb->pipe);  in start_command_port()
797 			dev_err(&serial->dev->dev,  in start_command_port()
811 static void stop_command_port(struct usb_serial *serial)  in stop_command_port()  argument
816 	command_port = serial->port[COMMAND_PORT];  in stop_command_port()