50 static int is_irda(struct usb_serial *serial)  in is_irda()  argument
52 	struct usb_device *dev = serial->dev;  in is_irda()
77 static int ark3116_write_reg(struct usb_serial *serial,  in ark3116_write_reg()  argument
82 	result = usb_control_msg(serial->dev,  in ark3116_write_reg()
83 				 usb_sndctrlpipe(serial->dev, 0),  in ark3116_write_reg()
92 static int ark3116_read_reg(struct usb_serial *serial,  in ark3116_read_reg()  argument
97 	result = usb_control_msg(serial->dev,  in ark3116_read_reg()
98 				 usb_rcvctrlpipe(serial->dev, 0),  in ark3116_read_reg()
102 		dev_err(&serial->interface->dev,  in ark3116_read_reg()
126 	struct usb_serial *serial = port->serial;  in ark3116_port_probe()  local
136 	priv->irda = is_irda(serial);  in ark3116_port_probe()
141 	ark3116_write_reg(serial, UART_IER, 0);  in ark3116_port_probe()
143 	ark3116_write_reg(serial, UART_FCR, 0);  in ark3116_port_probe()
146 	ark3116_write_reg(serial, 0x8     , 0);  in ark3116_port_probe()
149 	ark3116_write_reg(serial, UART_MCR, 0);  in ark3116_port_probe()
152 		ark3116_write_reg(serial, 0xb , 0);  in ark3116_port_probe()
154 		ark3116_write_reg(serial, 0xb , 1);  in ark3116_port_probe()
155 		ark3116_write_reg(serial, 0xc , 0);  in ark3116_port_probe()
156 		ark3116_write_reg(serial, 0xd , 0x41);  in ark3116_port_probe()
157 		ark3116_write_reg(serial, 0xa , 1);  in ark3116_port_probe()
161 	ark3116_write_reg(serial, UART_LCR, UART_LCR_DLAB);  in ark3116_port_probe()
165 	ark3116_write_reg(serial, UART_DLL, priv->quot & 0xff);  in ark3116_port_probe()
166 	ark3116_write_reg(serial, UART_DLM, (priv->quot>>8) & 0xff);  in ark3116_port_probe()
169 	ark3116_write_reg(serial, UART_LCR, UART_LCR_WLEN8);  in ark3116_port_probe()
171 	ark3116_write_reg(serial, 0xe, 0);  in ark3116_port_probe()
174 		ark3116_write_reg(serial, 0x9, 0);  in ark3116_port_probe()
194 	struct usb_serial *serial = port->serial;  in ark3116_set_termios()  local
251 		ark3116_write_reg(serial, 0x8, hcr);  in ark3116_set_termios()
262 		ark3116_write_reg(serial, UART_FCR, 0);  in ark3116_set_termios()
264 		ark3116_write_reg(serial, UART_LCR,  in ark3116_set_termios()
266 		ark3116_write_reg(serial, UART_DLL, quot & 0xff);  in ark3116_set_termios()
267 		ark3116_write_reg(serial, UART_DLM, (quot>>8) & 0xff);  in ark3116_set_termios()
270 		ark3116_write_reg(serial, UART_LCR, lcr);  in ark3116_set_termios()
274 		ark3116_write_reg(serial, 0xe, eval);  in ark3116_set_termios()
277 		ark3116_write_reg(serial, UART_FCR, UART_FCR_DMA_SELECT);  in ark3116_set_termios()
280 		ark3116_write_reg(serial, UART_LCR, lcr);  in ark3116_set_termios()
298 	struct usb_serial *serial = port->serial;  in ark3116_close()  local
301 	ark3116_write_reg(serial, UART_FCR, 0);  in ark3116_close()
304 	ark3116_write_reg(serial, UART_IER, 0);  in ark3116_close()
314 	struct usb_serial *serial = port->serial;  in ark3116_open()  local
331 	ark3116_read_reg(serial, UART_RX, buf);  in ark3116_open()
334 	result = ark3116_read_reg(serial, UART_MSR, buf);  in ark3116_open()
340 	result = ark3116_read_reg(serial, UART_LSR, buf);  in ark3116_open()
353 	ark3116_write_reg(port->serial, UART_IER, UART_IER_MSI|UART_IER_RLSI);  in ark3116_open()
356 	ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);  in ark3116_open()
429 	ark3116_write_reg(port->serial, UART_MCR, priv->mcr);  in ark3116_tiocmset()
450 	ret = ark3116_write_reg(port->serial, UART_LCR, priv->lcr);  in ark3116_break_ctl()