51 static int iuu_create_sysfs_attrs(struct usb_serial_port *port);
52 static int iuu_remove_sysfs_attrs(struct usb_serial_port *port);
71 static int iuu_port_probe(struct usb_serial_port *port)  in iuu_port_probe()  argument
96 	usb_set_serial_port_data(port, priv);  in iuu_port_probe()
98 	ret = iuu_create_sysfs_attrs(port);  in iuu_port_probe()
109 static int iuu_port_remove(struct usb_serial_port *port)  in iuu_port_remove()  argument
111 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_port_remove()
113 	iuu_remove_sysfs_attrs(port);  in iuu_port_remove()
124 	struct usb_serial_port *port = tty->driver_data;  in iuu_tiocmset()  local
125 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_tiocmset()
129 	dev_dbg(&port->dev, "%s msg : SET = 0x%04x, CLEAR = 0x%04x\n",  in iuu_tiocmset()
135 		dev_dbg(&port->dev, "%s TIOCMSET RESET called !!!\n", __func__);  in iuu_tiocmset()
152 	struct usb_serial_port *port = tty->driver_data;  in iuu_tiocmget()  local
153 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_tiocmget()
166 	struct usb_serial_port *port = urb->context;  in iuu_rxcmd()  local
171 		dev_dbg(&port->dev, "%s - status = %d\n", __func__, status);  in iuu_rxcmd()
177 	memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);  in iuu_rxcmd()
178 	usb_fill_bulk_urb(port->write_urb, port->serial->dev,  in iuu_rxcmd()
179 			  usb_sndbulkpipe(port->serial->dev,  in iuu_rxcmd()
180 					  port->bulk_out_endpointAddress),  in iuu_rxcmd()
181 			  port->write_urb->transfer_buffer, 1,  in iuu_rxcmd()
182 			  read_rxcmd_callback, port);  in iuu_rxcmd()
183 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in iuu_rxcmd()
186 static int iuu_reset(struct usb_serial_port *port, u8 wt)  in iuu_reset()  argument
188 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_reset()
190 	char *buf_ptr = port->write_urb->transfer_buffer;  in iuu_reset()
201 	usb_fill_bulk_urb(port->write_urb,  in iuu_reset()
202 			  port->serial->dev,  in iuu_reset()
203 			  usb_sndbulkpipe(port->serial->dev,  in iuu_reset()
204 					  port->bulk_out_endpointAddress),  in iuu_reset()
205 			  port->write_urb->transfer_buffer, 4, iuu_rxcmd, port);  in iuu_reset()
206 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in iuu_reset()
219 	struct usb_serial_port *port = urb->context;  in iuu_update_status_callback()  local
220 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_update_status_callback()
225 		dev_dbg(&port->dev, "%s - status = %d\n", __func__, status);  in iuu_update_status_callback()
231 	dev_dbg(&port->dev, "%s - enter\n", __func__);  in iuu_update_status_callback()
249 	struct usb_serial_port *port = urb->context;  in iuu_status_callback()  local
253 	dev_dbg(&port->dev, "%s - status = %d\n", __func__, status);  in iuu_status_callback()
254 	usb_fill_bulk_urb(port->read_urb, port->serial->dev,  in iuu_status_callback()
255 			  usb_rcvbulkpipe(port->serial->dev,  in iuu_status_callback()
256 					  port->bulk_in_endpointAddress),  in iuu_status_callback()
257 			  port->read_urb->transfer_buffer, 256,  in iuu_status_callback()
258 			  iuu_update_status_callback, port);  in iuu_status_callback()
259 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);  in iuu_status_callback()
262 static int iuu_status(struct usb_serial_port *port)  in iuu_status()  argument
266 	memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1);  in iuu_status()
267 	usb_fill_bulk_urb(port->write_urb, port->serial->dev,  in iuu_status()
268 			  usb_sndbulkpipe(port->serial->dev,  in iuu_status()
269 					  port->bulk_out_endpointAddress),  in iuu_status()
270 			  port->write_urb->transfer_buffer, 1,  in iuu_status()
271 			  iuu_status_callback, port);  in iuu_status()
272 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in iuu_status()
277 static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)  in bulk_immediate()  argument
280 	struct usb_serial *serial = port->serial;  in bulk_immediate()
288 					 port->bulk_out_endpointAddress), buf,  in bulk_immediate()
292 		dev_dbg(&port->dev, "%s - error = %2x\n", __func__, status);  in bulk_immediate()
294 		dev_dbg(&port->dev, "%s - write OK !\n", __func__);  in bulk_immediate()
298 static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)  in read_immediate()  argument
301 	struct usb_serial *serial = port->serial;  in read_immediate()
308 					 port->bulk_in_endpointAddress), buf,  in read_immediate()
312 		dev_dbg(&port->dev, "%s - error = %2x\n", __func__, status);  in read_immediate()
314 		dev_dbg(&port->dev, "%s - read OK !\n", __func__);  in read_immediate()
318 static int iuu_led(struct usb_serial_port *port, unsigned int R,  in iuu_led()  argument
335 	status = bulk_immediate(port, buf, 8);  in iuu_led()
338 		dev_dbg(&port->dev, "%s - led error status = %2x\n", __func__, status);  in iuu_led()
340 		dev_dbg(&port->dev, "%s - led OK !\n", __func__);  in iuu_led()
359 	struct usb_serial_port *port = urb->context;  in iuu_led_activity_on()  local
361 	char *buf_ptr = port->write_urb->transfer_buffer;  in iuu_led_activity_on()
370 	usb_fill_bulk_urb(port->write_urb, port->serial->dev,  in iuu_led_activity_on()
371 			  usb_sndbulkpipe(port->serial->dev,  in iuu_led_activity_on()
372 					  port->bulk_out_endpointAddress),  in iuu_led_activity_on()
373 			  port->write_urb->transfer_buffer, 8 ,  in iuu_led_activity_on()
374 			  iuu_rxcmd, port);  in iuu_led_activity_on()
375 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in iuu_led_activity_on()
380 	struct usb_serial_port *port = urb->context;  in iuu_led_activity_off()  local
382 	char *buf_ptr = port->write_urb->transfer_buffer;  in iuu_led_activity_off()
390 	usb_fill_bulk_urb(port->write_urb, port->serial->dev,  in iuu_led_activity_off()
391 			  usb_sndbulkpipe(port->serial->dev,  in iuu_led_activity_off()
392 					  port->bulk_out_endpointAddress),  in iuu_led_activity_off()
393 			  port->write_urb->transfer_buffer, 8 ,  in iuu_led_activity_off()
394 			  iuu_rxcmd, port);  in iuu_led_activity_off()
395 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in iuu_led_activity_off()
400 static int iuu_clk(struct usb_serial_port *port, int dwFrq)  in iuu_clk()  argument
403 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_clk()
424 		status = bulk_immediate(port, (u8 *) priv->buf, Count);  in iuu_clk()
426 			dev_dbg(&port->dev, "%s - write error\n", __func__);  in iuu_clk()
533 	status = bulk_immediate(port, (u8 *) priv->buf, Count);  in iuu_clk()
535 		dev_dbg(&port->dev, "%s - write error\n", __func__);  in iuu_clk()
539 static int iuu_uart_flush(struct usb_serial_port *port)  in iuu_uart_flush()  argument
541 	struct device *dev = &port->dev;  in iuu_uart_flush()
545 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_uart_flush()
547 	if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)  in iuu_uart_flush()
551 		status = bulk_immediate(port, &rxcmd, 1);  in iuu_uart_flush()
557 		status = read_immediate(port, &priv->len, 1);  in iuu_uart_flush()
565 			status = read_immediate(port, priv->buf, priv->len);  in iuu_uart_flush()
573 	iuu_led(port, 0, 0xF000, 0, 0xFF);  in iuu_uart_flush()
579 	struct usb_serial_port *port = urb->context;  in read_buf_callback()  local
590 	dev_dbg(&port->dev, "%s - %i chars to write\n", __func__, urb->actual_length);  in read_buf_callback()
592 		dev_dbg(&port->dev, "%s - data is NULL !!!\n", __func__);  in read_buf_callback()
594 		tty_insert_flip_string(&port->port, data, urb->actual_length);  in read_buf_callback()
595 		tty_flip_buffer_push(&port->port);  in read_buf_callback()
600 static int iuu_bulk_write(struct usb_serial_port *port)  in iuu_bulk_write()  argument
602 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_bulk_write()
606 	char *buf_ptr = port->write_urb->transfer_buffer;  in iuu_bulk_write()
617 	dev_dbg(&port->dev, "%s - writing %i chars : %*ph\n", __func__,  in iuu_bulk_write()
619 	usb_fill_bulk_urb(port->write_urb, port->serial->dev,  in iuu_bulk_write()
620 			  usb_sndbulkpipe(port->serial->dev,  in iuu_bulk_write()
621 					  port->bulk_out_endpointAddress),  in iuu_bulk_write()
622 			  port->write_urb->transfer_buffer, buf_len + 3,  in iuu_bulk_write()
623 			  iuu_rxcmd, port);  in iuu_bulk_write()
624 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in iuu_bulk_write()
625 	usb_serial_port_softint(port);  in iuu_bulk_write()
629 static int iuu_read_buf(struct usb_serial_port *port, int len)  in iuu_read_buf()  argument
633 	usb_fill_bulk_urb(port->read_urb, port->serial->dev,  in iuu_read_buf()
634 			  usb_rcvbulkpipe(port->serial->dev,  in iuu_read_buf()
635 					  port->bulk_in_endpointAddress),  in iuu_read_buf()
636 			  port->read_urb->transfer_buffer, len,  in iuu_read_buf()
637 			  read_buf_callback, port);  in iuu_read_buf()
638 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);  in iuu_read_buf()
644 	struct usb_serial_port *port = urb->context;  in iuu_uart_read_callback()  local
645 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_uart_read_callback()
654 		dev_dbg(&port->dev, "%s - status = %d\n", __func__, status);  in iuu_uart_read_callback()
659 		dev_dbg(&port->dev, "%s - data is NULL !!!\n", __func__);  in iuu_uart_read_callback()
665 		dev_dbg(&port->dev, "%s - urb->actual_length = %i\n", __func__,  in iuu_uart_read_callback()
673 		dev_dbg(&port->dev, "%s - call read buf - len to read is %i\n",  in iuu_uart_read_callback()
675 		status = iuu_read_buf(port, len);  in iuu_uart_read_callback()
680 		status = iuu_status(port);  in iuu_uart_read_callback()
688 		status = iuu_reset(port, 0xC);  in iuu_uart_read_callback()
695 		status = iuu_bulk_write(port);  in iuu_uart_read_callback()
700 	dev_dbg(&port->dev, "%s - rxcmd recall\n", __func__);  in iuu_uart_read_callback()
704 static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port,  in iuu_uart_write()  argument
707 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_uart_write()
725 	struct usb_serial_port *port = urb->context;  in read_rxcmd_callback()  local
734 	usb_fill_bulk_urb(port->read_urb, port->serial->dev,  in read_rxcmd_callback()
735 			  usb_rcvbulkpipe(port->serial->dev,  in read_rxcmd_callback()
736 					  port->bulk_in_endpointAddress),  in read_rxcmd_callback()
737 			  port->read_urb->transfer_buffer, 256,  in read_rxcmd_callback()
738 			  iuu_uart_read_callback, port);  in read_rxcmd_callback()
739 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);  in read_rxcmd_callback()
740 	dev_dbg(&port->dev, "%s - submit result = %d\n", __func__, result);  in read_rxcmd_callback()
743 static int iuu_uart_on(struct usb_serial_port *port)  in iuu_uart_on()  argument
758 	status = bulk_immediate(port, buf, 4);  in iuu_uart_on()
760 		dev_dbg(&port->dev, "%s - uart_on error\n", __func__);  in iuu_uart_on()
764 	status = iuu_uart_flush(port);  in iuu_uart_on()
766 		dev_dbg(&port->dev, "%s - uart_flush error\n", __func__);  in iuu_uart_on()
773 static int iuu_uart_off(struct usb_serial_port *port)  in iuu_uart_off()  argument
782 	status = bulk_immediate(port, buf, 1);  in iuu_uart_off()
784 		dev_dbg(&port->dev, "%s - uart_off error\n", __func__);  in iuu_uart_off()
790 static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base,  in iuu_uart_baud()  argument
801 	dev_dbg(&port->dev, "%s - enter baud_base=%d\n", __func__, baud_base);  in iuu_uart_baud()
880 	status = bulk_immediate(port, dataout, DataCount);  in iuu_uart_baud()
882 		dev_dbg(&port->dev, "%s - uart_off error\n", __func__);  in iuu_uart_baud()
888 		struct usb_serial_port *port, struct ktermios *old_termios)  in iuu_set_termios()  argument
891 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_set_termios()
903 	dev_dbg(&port->dev, "%s - enter c_ospeed or baud=%d\n", __func__, baud);  in iuu_set_termios()
923 	status = iuu_uart_baud(port,  in iuu_set_termios()
941 static void iuu_close(struct usb_serial_port *port)  in iuu_close()  argument
945 	iuu_uart_off(port);  in iuu_close()
947 	usb_kill_urb(port->write_urb);  in iuu_close()
948 	usb_kill_urb(port->read_urb);  in iuu_close()
950 	iuu_led(port, 0, 0, 0xF000, 0xFF);  in iuu_close()
965 static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)  in iuu_open()  argument
967 	struct usb_serial *serial = port->serial;  in iuu_open()
968 	struct device *dev = &port->dev;  in iuu_open()
973 	struct iuu_private *priv = usb_get_serial_port_data(port);  in iuu_open()
981 	usb_clear_halt(serial->dev, port->write_urb->pipe);  in iuu_open()
982 	usb_clear_halt(serial->dev, port->read_urb->pipe);  in iuu_open()
992 	result = usb_control_msg(port->serial->dev,	\  in iuu_open()
993 				usb_rcvctrlpipe(port->serial->dev, 0),	\  in iuu_open()
999 	result = usb_control_msg(port->serial->dev,	\  in iuu_open()
1000 				usb_sndctrlpipe(port->serial->dev, 0),	\  in iuu_open()
1011 	iuu_led(port, 0xF000, 0xF000, 0, 0xFF);  in iuu_open()
1012 	iuu_uart_on(port);  in iuu_open()
1020 		iuu_clk(port, IUU_CLK_3680000 * boost / 100);  in iuu_open()
1022 		    iuu_uart_baud(port, baud * boost / 100, &actual,  in iuu_open()
1026 		iuu_clk(port, IUU_CLK_6000000 * boost / 100);  in iuu_open()
1030 		    iuu_uart_baud(port, 16457 * boost / 100, &actual,  in iuu_open()
1034 		iuu_clk(port, IUU_CLK_3579000 * boost / 100);  in iuu_open()
1037 		    iuu_uart_baud(port, baud * boost / 100, &actual,  in iuu_open()
1080 	iuu_uart_flush(port);  in iuu_open()
1084 	memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);  in iuu_open()
1085 	usb_fill_bulk_urb(port->write_urb, port->serial->dev,  in iuu_open()
1086 			  usb_sndbulkpipe(port->serial->dev,  in iuu_open()
1087 					  port->bulk_out_endpointAddress),  in iuu_open()
1088 			  port->write_urb->transfer_buffer, 1,  in iuu_open()
1089 			  read_rxcmd_callback, port);  in iuu_open()
1090 	result = usb_submit_urb(port->write_urb, GFP_KERNEL);  in iuu_open()
1093 		iuu_close(port);  in iuu_open()
1102 static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc)  in iuu_vcc_set()  argument
1117 	status = bulk_immediate(port, buf, 5);  in iuu_vcc_set()
1121 		dev_dbg(&port->dev, "%s - vcc error status = %2x\n", __func__, status);  in iuu_vcc_set()
1123 		dev_dbg(&port->dev, "%s - vcc OK !\n", __func__);  in iuu_vcc_set()
1135 	struct usb_serial_port *port = to_usb_serial_port(dev);  in vcc_mode_show()  local
1136 	struct iuu_private *priv = usb_get_serial_port_data(port);  in vcc_mode_show()
1144 	struct usb_serial_port *port = to_usb_serial_port(dev);  in vcc_mode_store()  local
1145 	struct iuu_private *priv = usb_get_serial_port_data(port);  in vcc_mode_store()
1159 		iuu_vcc_set(port, v);  in vcc_mode_store()
1167 static int iuu_create_sysfs_attrs(struct usb_serial_port *port)  in iuu_create_sysfs_attrs()  argument
1169 	return device_create_file(&port->dev, &dev_attr_vcc_mode);  in iuu_create_sysfs_attrs()
1172 static int iuu_remove_sysfs_attrs(struct usb_serial_port *port)  in iuu_remove_sysfs_attrs()  argument
1174 	device_remove_file(&port->dev, &dev_attr_vcc_mode);  in iuu_remove_sysfs_attrs()