54 static int is_irda(struct usb_serial *serial)  in is_irda()  argument
56 	struct usb_device *dev = serial->dev;  in is_irda()
81 static int ark3116_write_reg(struct usb_serial *serial,  in ark3116_write_reg()  argument
86 	result = usb_control_msg(serial->dev,  in ark3116_write_reg()
87 				 usb_sndctrlpipe(serial->dev, 0),  in ark3116_write_reg()
93 static int ark3116_read_reg(struct usb_serial *serial,  in ark3116_read_reg()  argument
98 	result = usb_control_msg(serial->dev,  in ark3116_read_reg()
99 				 usb_rcvctrlpipe(serial->dev, 0),  in ark3116_read_reg()
118 static int ark3116_attach(struct usb_serial *serial)  in ark3116_attach()  argument
121 	if ((serial->num_bulk_in == 0) ||  in ark3116_attach()
122 	    (serial->num_bulk_out == 0) ||  in ark3116_attach()
123 	    (serial->num_interrupt_in == 0)) {  in ark3116_attach()
124 		dev_err(&serial->dev->dev,  in ark3116_attach()
128 			serial->num_bulk_in,  in ark3116_attach()
129 			serial->num_bulk_out,  in ark3116_attach()
130 			serial->num_interrupt_in);  in ark3116_attach()
139 	struct usb_serial *serial = port->serial;  in ark3116_port_probe()  local
149 	priv->irda = is_irda(serial);  in ark3116_port_probe()
154 	ark3116_write_reg(serial, UART_IER, 0);  in ark3116_port_probe()
156 	ark3116_write_reg(serial, UART_FCR, 0);  in ark3116_port_probe()
159 	ark3116_write_reg(serial, 0x8     , 0);  in ark3116_port_probe()
162 	ark3116_write_reg(serial, UART_MCR, 0);  in ark3116_port_probe()
165 		ark3116_write_reg(serial, 0xb , 0);  in ark3116_port_probe()
167 		ark3116_write_reg(serial, 0xb , 1);  in ark3116_port_probe()
168 		ark3116_write_reg(serial, 0xc , 0);  in ark3116_port_probe()
169 		ark3116_write_reg(serial, 0xd , 0x41);  in ark3116_port_probe()
170 		ark3116_write_reg(serial, 0xa , 1);  in ark3116_port_probe()
174 	ark3116_write_reg(serial, UART_LCR, UART_LCR_DLAB);  in ark3116_port_probe()
178 	ark3116_write_reg(serial, UART_DLL, priv->quot & 0xff);  in ark3116_port_probe()
179 	ark3116_write_reg(serial, UART_DLM, (priv->quot>>8) & 0xff);  in ark3116_port_probe()
182 	ark3116_write_reg(serial, UART_LCR, UART_LCR_WLEN8);  in ark3116_port_probe()
184 	ark3116_write_reg(serial, 0xe, 0);  in ark3116_port_probe()
187 		ark3116_write_reg(serial, 0x9, 0);  in ark3116_port_probe()
189 	dev_info(&serial->dev->dev,  in ark3116_port_probe()
221 	struct usb_serial *serial = port->serial;  in ark3116_set_termios()  local
292 		ark3116_write_reg(serial, 0x8, hcr);  in ark3116_set_termios()
303 		ark3116_write_reg(serial, UART_FCR, 0);  in ark3116_set_termios()
305 		ark3116_write_reg(serial, UART_LCR,  in ark3116_set_termios()
307 		ark3116_write_reg(serial, UART_DLL, quot & 0xff);  in ark3116_set_termios()
308 		ark3116_write_reg(serial, UART_DLM, (quot>>8) & 0xff);  in ark3116_set_termios()
311 		ark3116_write_reg(serial, UART_LCR, lcr);  in ark3116_set_termios()
315 		ark3116_write_reg(serial, 0xe, eval);  in ark3116_set_termios()
318 		ark3116_write_reg(serial, UART_FCR, UART_FCR_DMA_SELECT);  in ark3116_set_termios()
321 		ark3116_write_reg(serial, UART_LCR, lcr);  in ark3116_set_termios()
328 		dev_warn(&serial->dev->dev,  in ark3116_set_termios()
340 	struct usb_serial *serial = port->serial;  in ark3116_close()  local
343 	ark3116_write_reg(serial, UART_FCR, 0);  in ark3116_close()
346 	ark3116_write_reg(serial, UART_IER, 0);  in ark3116_close()
349 	if (serial->num_interrupt_in)  in ark3116_close()
356 	struct usb_serial *serial = port->serial;  in ark3116_open()  local
373 	ark3116_read_reg(serial, UART_RX, buf);  in ark3116_open()
376 	priv->msr = ark3116_read_reg(serial, UART_MSR, buf);  in ark3116_open()
378 	priv->lsr = ark3116_read_reg(serial, UART_LSR, buf);  in ark3116_open()
389 	ark3116_write_reg(port->serial, UART_IER, UART_IER_MSI|UART_IER_RLSI);  in ark3116_open()
392 	ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);  in ark3116_open()
488 	ark3116_write_reg(port->serial, UART_MCR, priv->mcr);  in ark3116_tiocmset()
508 	ark3116_write_reg(port->serial, UART_LCR, priv->lcr);  in ark3116_break_ctl()