189 static int pl2303_vendor_read(struct usb_serial *serial, u16 value,  in pl2303_vendor_read()  argument
192 	struct device *dev = &serial->interface->dev;  in pl2303_vendor_read()
195 	res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),  in pl2303_vendor_read()
212 static int pl2303_vendor_write(struct usb_serial *serial, u16 value, u16 index)  in pl2303_vendor_write()  argument
214 	struct device *dev = &serial->interface->dev;  in pl2303_vendor_write()
219 	res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in pl2303_vendor_write()
231 static int pl2303_update_reg(struct usb_serial *serial, u8 reg, u8 mask, u8 val)  in pl2303_update_reg()  argument
240 	ret = pl2303_vendor_read(serial, reg | 0x80, buf);  in pl2303_update_reg()
247 	ret = pl2303_vendor_write(serial, reg, *buf);  in pl2303_update_reg()
254 static int pl2303_probe(struct usb_serial *serial,  in pl2303_probe()  argument
257 	usb_set_serial_data(serial, (void *)id->driver_info);  in pl2303_probe()
267 static int pl2303_endpoint_hack(struct usb_serial *serial,  in pl2303_endpoint_hack()  argument
270 	struct usb_interface *interface = serial->interface;  in pl2303_endpoint_hack()
271 	struct usb_device *dev = serial->dev;  in pl2303_endpoint_hack()
297 static int pl2303_calc_num_ports(struct usb_serial *serial,  in pl2303_calc_num_ports()  argument
300 	unsigned long quirks = (unsigned long)usb_get_serial_data(serial);  in pl2303_calc_num_ports()
301 	struct device *dev = &serial->interface->dev;  in pl2303_calc_num_ports()
305 		ret = pl2303_endpoint_hack(serial, epds);  in pl2303_calc_num_ports()
318 static int pl2303_startup(struct usb_serial *serial)  in pl2303_startup()  argument
334 	if (serial->dev->descriptor.bDeviceClass == 0x02)  in pl2303_startup()
336 	else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40)  in pl2303_startup()
338 	else if (serial->dev->descriptor.bDeviceClass == 0x00)  in pl2303_startup()
340 	else if (serial->dev->descriptor.bDeviceClass == 0xFF)  in pl2303_startup()
342 	dev_dbg(&serial->interface->dev, "device type: %d\n", type);  in pl2303_startup()
345 	spriv->quirks = (unsigned long)usb_get_serial_data(serial);  in pl2303_startup()
348 	usb_set_serial_data(serial, spriv);  in pl2303_startup()
350 	pl2303_vendor_read(serial, 0x8484, buf);  in pl2303_startup()
351 	pl2303_vendor_write(serial, 0x0404, 0);  in pl2303_startup()
352 	pl2303_vendor_read(serial, 0x8484, buf);  in pl2303_startup()
353 	pl2303_vendor_read(serial, 0x8383, buf);  in pl2303_startup()
354 	pl2303_vendor_read(serial, 0x8484, buf);  in pl2303_startup()
355 	pl2303_vendor_write(serial, 0x0404, 1);  in pl2303_startup()
356 	pl2303_vendor_read(serial, 0x8484, buf);  in pl2303_startup()
357 	pl2303_vendor_read(serial, 0x8383, buf);  in pl2303_startup()
358 	pl2303_vendor_write(serial, 0, 1);  in pl2303_startup()
359 	pl2303_vendor_write(serial, 1, 0);  in pl2303_startup()
361 		pl2303_vendor_write(serial, 2, 0x24);  in pl2303_startup()
363 		pl2303_vendor_write(serial, 2, 0x44);  in pl2303_startup()
370 static void pl2303_release(struct usb_serial *serial)  in pl2303_release()  argument
372 	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);  in pl2303_release()
405 	struct usb_device *dev = port->serial->dev;  in pl2303_set_control_lines()
503 	struct usb_serial *serial = port->serial;  in pl2303_encode_baud_rate()  local
504 	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);  in pl2303_encode_baud_rate()
533 	struct usb_device *udev = port->serial->dev;  in pl2303_get_line_request()
556 	struct usb_device *udev = port->serial->dev;  in pl2303_set_line_request()
600 	struct usb_serial *serial = port->serial;  in pl2303_set_termios()  local
601 	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);  in pl2303_set_termios()
723 			pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0x40);  in pl2303_set_termios()
725 			pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0x60);  in pl2303_set_termios()
727 		pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0xc0);  in pl2303_set_termios()
729 		pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0);  in pl2303_set_termios()
761 	struct usb_serial *serial = port->serial;  in pl2303_open()  local
762 	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);  in pl2303_open()
766 		usb_clear_halt(serial->dev, port->write_urb->pipe);  in pl2303_open()
767 		usb_clear_halt(serial->dev, port->read_urb->pipe);  in pl2303_open()
770 		pl2303_vendor_write(serial, 8, 0);  in pl2303_open()
771 		pl2303_vendor_write(serial, 9, 0);  in pl2303_open()
872 	struct usb_serial *serial = port->serial;  in pl2303_set_break()  local
884 	result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in pl2303_set_break()
902 	struct usb_serial *serial = port->serial;  in pl2303_update_line_status()  local
903 	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);  in pl2303_update_line_status()