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											2005-04-16 15:20:36 -07:00
										 |  |  | /*
 | 
					
						
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											2009-06-11 13:54:40 +01:00
										 |  |  |  * Silicon Laboratories CP210x USB to RS232 serial adaptor driver | 
					
						
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											2005-04-16 15:20:36 -07:00
										 |  |  |  * | 
					
						
							|  |  |  |  * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk) | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *	This program is free software; you can redistribute it and/or | 
					
						
							|  |  |  |  *	modify it under the terms of the GNU General Public License version | 
					
						
							|  |  |  |  *	2 as published by the Free Software Foundation. | 
					
						
							|  |  |  |  * | 
					
						
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											2005-05-27 00:09:56 +01:00
										 |  |  |  * Support to set flow control line levels using TIOCMGET and TIOCMSET | 
					
						
							|  |  |  |  * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow | 
					
						
							|  |  |  |  * control thanks to Munir Nassar nassarmu@real-time.com | 
					
						
							|  |  |  |  * | 
					
						
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											2005-04-16 15:20:36 -07:00
										 |  |  |  */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | #include <linux/kernel.h>
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							|  |  |  | #include <linux/errno.h>
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							|  |  |  | #include <linux/slab.h>
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							|  |  |  | #include <linux/tty.h>
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							|  |  |  | #include <linux/tty_flip.h>
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							|  |  |  | #include <linux/module.h>
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							|  |  |  | #include <linux/moduleparam.h>
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							|  |  |  | #include <linux/usb.h>
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											2008-07-22 11:10:17 +01:00
										 |  |  | #include <linux/uaccess.h>
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											2006-07-11 21:22:58 -07:00
										 |  |  | #include <linux/usb/serial.h>
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											2005-04-16 15:20:36 -07:00
										 |  |  | 
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											2009-06-11 13:54:40 +01:00
										 |  |  | #define DRIVER_DESC "Silicon Labs CP210x RS232 serial adaptor driver"
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											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | /*
 | 
					
						
							|  |  |  |  * Function Prototypes | 
					
						
							|  |  |  |  */ | 
					
						
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											2009-09-19 13:13:26 -07:00
										 |  |  | static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *); | 
					
						
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											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_close(struct usb_serial_port *); | 
					
						
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											2012-10-29 10:56:19 +01:00
										 |  |  | static void cp210x_get_termios(struct tty_struct *, struct usb_serial_port *); | 
					
						
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											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_get_termios_port(struct usb_serial_port *port, | 
					
						
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											2009-03-12 14:37:42 -07:00
										 |  |  | 	unsigned int *cflagp, unsigned int *baudp); | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | static void cp210x_change_speed(struct tty_struct *, struct usb_serial_port *, | 
					
						
							|  |  |  | 							struct ktermios *); | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_set_termios(struct tty_struct *, struct usb_serial_port *, | 
					
						
							| 
									
										
										
										
											2008-07-22 11:09:07 +01:00
										 |  |  | 							struct ktermios*); | 
					
						
							| 
									
										
										
										
											2011-02-14 16:26:14 +00:00
										 |  |  | static int cp210x_tiocmget(struct tty_struct *); | 
					
						
							| 
									
										
										
										
											2011-02-14 16:26:50 +00:00
										 |  |  | static int cp210x_tiocmset(struct tty_struct *, unsigned int, unsigned int); | 
					
						
							|  |  |  | static int cp210x_tiocmset_port(struct usb_serial_port *port, | 
					
						
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											2009-03-12 14:37:42 -07:00
										 |  |  | 		unsigned int, unsigned int); | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_break_ctl(struct tty_struct *, int); | 
					
						
							|  |  |  | static int cp210x_startup(struct usb_serial *); | 
					
						
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											2012-02-24 13:42:39 -06:00
										 |  |  | static void cp210x_release(struct usb_serial *); | 
					
						
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											2009-10-28 21:12:33 +01:00
										 |  |  | static void cp210x_dtr_rts(struct usb_serial_port *p, int on); | 
					
						
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											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
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											2010-01-10 15:34:24 +01:00
										 |  |  | static const struct usb_device_id id_table[] = { | 
					
						
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											2010-09-17 11:09:06 -04:00
										 |  |  | 	{ USB_DEVICE(0x045B, 0x0053) }, /* Renesas RX610 RX-Stick */ | 
					
						
							| 
									
										
										
										
											2008-11-14 13:02:45 +03:00
										 |  |  | 	{ USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */ | 
					
						
							| 
									
										
										
										
											2008-04-12 16:15:54 +01:00
										 |  |  | 	{ USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */ | 
					
						
							| 
									
										
										
										
											2010-08-29 21:51:52 +01:00
										 |  |  | 	{ USB_DEVICE(0x0489, 0xE003) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */ | 
					
						
							| 
									
										
										
										
											2013-07-01 23:56:25 -03:00
										 |  |  | 	{ USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */ | 
					
						
							| 
									
										
										
										
											2007-09-25 10:15:36 +02:00
										 |  |  | 	{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */ | 
					
						
							| 
									
										
										
										
											2010-05-15 13:36:38 +01:00
										 |  |  | 	{ USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */ | 
					
						
							| 
									
										
										
										
											2005-08-28 09:51:15 +01:00
										 |  |  | 	{ USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ | 
					
						
							| 
									
										
										
										
											2007-12-21 12:02:17 +01:00
										 |  |  | 	{ USB_DEVICE(0x0FCF, 0x1004) }, /* Dynastream ANT2USB */ | 
					
						
							| 
									
										
										
										
											2008-04-12 16:15:54 +01:00
										 |  |  | 	{ USB_DEVICE(0x0FCF, 0x1006) }, /* Dynastream ANT development board */ | 
					
						
							| 
									
										
										
										
											2013-01-31 13:37:05 +01:00
										 |  |  | 	{ USB_DEVICE(0x0FDE, 0xCA05) }, /* OWL Wireless Electricity Monitor CM-160 */ | 
					
						
							| 
									
										
										
										
											2005-08-28 09:51:15 +01:00
										 |  |  | 	{ USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x0F91) }, /* Vstabi */ | 
					
						
							| 
									
										
										
										
											2009-07-06 14:19:59 +03:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x1101) }, /* Arkham Technology DS101 Bus Monitor */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x1601) }, /* Arkham Technology DS101 Adapter */ | 
					
						
							| 
									
										
										
										
											2008-01-03 12:45:59 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x800A) }, /* SPORTident BSM7-D-USB main station */ | 
					
						
							| 
									
										
										
										
											2006-03-11 11:29:02 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */ | 
					
						
							| 
									
										
										
										
											2010-05-15 13:36:38 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8044) }, /* Cygnal Debug Adapter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */ | 
					
						
							| 
									
										
										
										
											2007-04-20 14:37:17 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */ | 
					
						
							| 
									
										
										
										
											2008-10-30 13:52:38 -07:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */ | 
					
						
							| 
									
										
										
										
											2006-05-31 00:40:06 +04:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */ | 
					
						
							| 
									
										
										
										
											2010-05-15 13:36:38 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ | 
					
						
							| 
									
										
										
										
											2012-06-01 11:28:55 +03:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x80C4) }, /* Cygnal Integrated Products, Inc., Optris infrared thermometer */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ | 
					
						
							| 
									
										
										
										
											2007-04-20 14:37:17 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x80DD) }, /* Tracient RFID */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */ | 
					
						
							| 
									
										
										
										
											2008-09-04 21:28:21 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8115) }, /* Arygon NFC/Mifare Reader */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */ | 
					
						
							| 
									
										
										
										
											2009-07-12 21:52:33 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x813F) }, /* Tams Master Easy Control */ | 
					
						
							| 
									
										
										
										
											2007-02-28 23:04:33 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */ | 
					
						
							| 
									
										
										
										
											2013-03-07 17:19:33 -06:00
										 |  |  | 	{ USB_DEVICE(0x2405, 0x0003) }, /* West Mountain Radio RIGblaster Advantage */ | 
					
						
							| 
									
										
										
										
											2010-08-26 15:08:54 -05:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8156) }, /* B&G H3000 link cable */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */ | 
					
						
							| 
									
										
										
										
											2012-06-26 23:20:04 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x815F) }, /* Timewave HamLinkUSB */ | 
					
						
							| 
									
										
										
										
											2010-05-15 13:36:38 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */ | 
					
						
							| 
									
										
										
										
											2009-02-26 14:58:39 -05:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */ | 
					
						
							| 
									
										
										
										
											2008-05-11 09:23:13 -07:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */ | 
					
						
							| 
									
										
										
										
											2012-01-05 20:34:40 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81A9) }, /* Multiplex RC Interface */ | 
					
						
							| 
									
										
										
										
											2008-04-12 16:15:54 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */ | 
					
						
							| 
									
										
										
										
											2010-05-15 13:36:38 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81AD) }, /* INSYS USB Modem */ | 
					
						
							| 
									
										
										
										
											2006-10-28 12:42:04 +02:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */ | 
					
						
							| 
									
										
										
										
											2007-11-28 11:02:09 -05:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81E7) }, /* Aerocomm Radio */ | 
					
						
							| 
									
										
										
										
											2010-02-08 10:10:44 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81E8) }, /* Zephyr Bioharness */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x81F2) }, /* C1007 HF band RFID controller */ | 
					
						
							| 
									
										
										
										
											2006-10-28 12:42:04 +02:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */ | 
					
						
							| 
									
										
										
										
											2009-01-04 12:47:11 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x822B) }, /* Modem EDGE(GSM) Comander 2 */ | 
					
						
							| 
									
										
										
										
											2011-03-30 22:57:33 -03:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */ | 
					
						
							| 
									
										
										
										
											2011-05-10 11:17:33 +02:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */ | 
					
						
							| 
									
										
										
										
											2008-09-04 21:28:21 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ | 
					
						
							| 
									
										
										
										
											2009-07-12 21:52:33 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */ | 
					
						
							| 
									
										
										
										
											2008-11-09 20:17:54 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */ | 
					
						
							| 
									
										
										
										
											2011-01-02 21:51:46 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x83D8) }, /* DekTec DTA Plus VHF/UHF Booster/Attenuator */ | 
					
						
							| 
									
										
										
										
											2009-07-12 21:52:33 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8411) }, /* Kyocera GPS Module */ | 
					
						
							| 
									
										
										
										
											2011-01-02 21:51:46 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */ | 
					
						
							| 
									
										
										
										
											2009-03-17 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */ | 
					
						
							| 
									
										
										
										
											2010-08-23 20:50:57 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */ | 
					
						
							| 
									
										
										
										
											2011-03-20 13:51:13 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */ | 
					
						
							| 
									
										
										
										
											2012-11-22 09:41:23 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ | 
					
						
							| 
									
										
										
										
											2011-03-20 13:51:13 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */ | 
					
						
							| 
									
										
										
										
											2013-07-08 14:28:55 -04:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */ | 
					
						
							| 
									
										
										
										
											2006-01-20 00:06:19 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ | 
					
						
							| 
									
										
										
										
											2006-10-12 22:09:56 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */ | 
					
						
							| 
									
										
										
										
											2010-05-15 13:36:38 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */ | 
					
						
							| 
									
										
										
										
											2008-01-03 12:45:59 +00:00
										 |  |  | 	{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0xF003) }, /* Elan Digital Systems USBpulse100 */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */ | 
					
						
							| 
									
										
										
										
											2007-02-16 12:47:49 +01:00
										 |  |  | 	{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */ | 
					
						
							| 
									
										
										
										
											2006-12-02 16:54:27 +01:00
										 |  |  | 	{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:52:31 +01:00
										 |  |  | 	{ USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */ | 
					
						
							| 
									
										
										
										
											2012-06-26 23:20:04 +01:00
										 |  |  | 	{ USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x166A, 0x0301) }, /* Clipsal 5800PC C-Bus Wireless PC Interface */ | 
					
						
							| 
									
										
										
										
											2008-01-03 12:45:59 +00:00
										 |  |  | 	{ USB_DEVICE(0x166A, 0x0303) }, /* Clipsal 5500PCU C-Bus USB interface */ | 
					
						
							| 
									
										
										
										
											2012-06-26 23:20:04 +01:00
										 |  |  | 	{ USB_DEVICE(0x166A, 0x0304) }, /* Clipsal 5000CT2 C-Bus Black and White Touchscreen */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */ | 
					
						
							| 
									
										
										
										
											2005-11-17 09:47:24 -08:00
										 |  |  | 	{ USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */ | 
					
						
							| 
									
										
										
										
											2010-07-27 23:05:14 +02:00
										 |  |  | 	{ USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x16DC, 0x0012) }, /* W-IE-NE-R Plein & Baus GmbH MPOD Multi Channel Power Supply */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */ | 
					
						
							| 
									
										
										
										
											2012-02-21 23:41:37 +01:00
										 |  |  | 	{ USB_DEVICE(0x17A8, 0x0001) }, /* Kamstrup Optical Eye/3-wire */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x17A8, 0x0005) }, /* Kamstrup M-Bus Master MultiPort 250D */ | 
					
						
							| 
									
										
										
										
											2010-08-23 20:50:57 +01:00
										 |  |  | 	{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ | 
					
						
							| 
									
										
										
										
											2013-07-19 14:46:12 -07:00
										 |  |  | 	{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ | 
					
						
							| 
									
										
										
										
											2010-10-06 23:46:25 +02:00
										 |  |  | 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */ | 
					
						
							| 
									
										
										
										
											2012-06-26 23:20:04 +01:00
										 |  |  | 	{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */ | 
					
						
							| 
									
										
										
										
											2013-03-09 13:57:32 +04:00
										 |  |  | 	{ USB_DEVICE(0x1FB9, 0x0100) }, /* Lake Shore Model 121 Current Source */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0200) }, /* Lake Shore Model 218A Temperature Monitor */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0201) }, /* Lake Shore Model 219 Temperature Monitor */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0202) }, /* Lake Shore Model 233 Temperature Transmitter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0203) }, /* Lake Shore Model 235 Temperature Transmitter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0300) }, /* Lake Shore Model 335 Temperature Controller */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0301) }, /* Lake Shore Model 336 Temperature Controller */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0302) }, /* Lake Shore Model 350 Temperature Controller */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0303) }, /* Lake Shore Model 371 AC Bridge */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0400) }, /* Lake Shore Model 411 Handheld Gaussmeter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0401) }, /* Lake Shore Model 425 Gaussmeter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0402) }, /* Lake Shore Model 455A Gaussmeter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0403) }, /* Lake Shore Model 475A Gaussmeter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0404) }, /* Lake Shore Model 465 Three Axis Gaussmeter */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0600) }, /* Lake Shore Model 625A Superconducting MPS */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0601) }, /* Lake Shore Model 642A Magnet Power Supply */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ | 
					
						
							| 
									
										
										
										
											2012-01-06 15:20:51 +00:00
										 |  |  | 	{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ | 
					
						
							| 
									
										
										
										
											2012-06-26 23:20:04 +01:00
										 |  |  | 	{ USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ | 
					
						
							|  |  |  | 	{ USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ | 
					
						
							| 
									
										
										
										
											2010-08-23 20:50:57 +01:00
										 |  |  | 	{ USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */ | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	{ } /* Terminating Entry */ | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | MODULE_DEVICE_TABLE(usb, id_table); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | struct cp210x_serial_private { | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 	__u8			bInterfaceNumber; | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static struct usb_serial_driver cp210x_device = { | 
					
						
							| 
									
										
										
										
											2005-06-20 21:15:16 -07:00
										 |  |  | 	.driver = { | 
					
						
							|  |  |  | 		.owner =	THIS_MODULE, | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 		.name =		"cp210x", | 
					
						
							| 
									
										
										
										
											2005-06-20 21:15:16 -07:00
										 |  |  | 	}, | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	.id_table		= id_table, | 
					
						
							|  |  |  | 	.num_ports		= 1, | 
					
						
							| 
									
										
										
										
											2010-03-17 23:00:39 +01:00
										 |  |  | 	.bulk_in_size		= 256, | 
					
						
							| 
									
										
										
										
											2010-03-17 23:00:38 +01:00
										 |  |  | 	.bulk_out_size		= 256, | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	.open			= cp210x_open, | 
					
						
							|  |  |  | 	.close			= cp210x_close, | 
					
						
							|  |  |  | 	.break_ctl		= cp210x_break_ctl, | 
					
						
							|  |  |  | 	.set_termios		= cp210x_set_termios, | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 	.tiocmget		= cp210x_tiocmget, | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	.tiocmset		= cp210x_tiocmset, | 
					
						
							|  |  |  | 	.attach			= cp210x_startup, | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 	.release		= cp210x_release, | 
					
						
							| 
									
										
										
										
											2011-01-14 14:30:21 +01:00
										 |  |  | 	.dtr_rts		= cp210x_dtr_rts | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-02-23 14:56:17 -05:00
										 |  |  | static struct usb_serial_driver * const serial_drivers[] = { | 
					
						
							|  |  |  | 	&cp210x_device, NULL | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | /* Config request types */ | 
					
						
							| 
									
										
										
										
											2012-04-30 23:06:48 -05:00
										 |  |  | #define REQTYPE_HOST_TO_INTERFACE	0x41
 | 
					
						
							|  |  |  | #define REQTYPE_INTERFACE_TO_HOST	0xc1
 | 
					
						
							|  |  |  | #define REQTYPE_HOST_TO_DEVICE	0x40
 | 
					
						
							|  |  |  | #define REQTYPE_DEVICE_TO_HOST	0xc0
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:53:30 +01:00
										 |  |  | /* Config request codes */ | 
					
						
							|  |  |  | #define CP210X_IFC_ENABLE	0x00
 | 
					
						
							|  |  |  | #define CP210X_SET_BAUDDIV	0x01
 | 
					
						
							|  |  |  | #define CP210X_GET_BAUDDIV	0x02
 | 
					
						
							|  |  |  | #define CP210X_SET_LINE_CTL	0x03
 | 
					
						
							|  |  |  | #define CP210X_GET_LINE_CTL	0x04
 | 
					
						
							|  |  |  | #define CP210X_SET_BREAK	0x05
 | 
					
						
							|  |  |  | #define CP210X_IMM_CHAR		0x06
 | 
					
						
							|  |  |  | #define CP210X_SET_MHS		0x07
 | 
					
						
							|  |  |  | #define CP210X_GET_MDMSTS	0x08
 | 
					
						
							|  |  |  | #define CP210X_SET_XON		0x09
 | 
					
						
							|  |  |  | #define CP210X_SET_XOFF		0x0A
 | 
					
						
							|  |  |  | #define CP210X_SET_EVENTMASK	0x0B
 | 
					
						
							|  |  |  | #define CP210X_GET_EVENTMASK	0x0C
 | 
					
						
							|  |  |  | #define CP210X_SET_CHAR		0x0D
 | 
					
						
							|  |  |  | #define CP210X_GET_CHARS	0x0E
 | 
					
						
							|  |  |  | #define CP210X_GET_PROPS	0x0F
 | 
					
						
							|  |  |  | #define CP210X_GET_COMM_STATUS	0x10
 | 
					
						
							|  |  |  | #define CP210X_RESET		0x11
 | 
					
						
							|  |  |  | #define CP210X_PURGE		0x12
 | 
					
						
							|  |  |  | #define CP210X_SET_FLOW		0x13
 | 
					
						
							|  |  |  | #define CP210X_GET_FLOW		0x14
 | 
					
						
							|  |  |  | #define CP210X_EMBED_EVENTS	0x15
 | 
					
						
							|  |  |  | #define CP210X_GET_EVENTSTATE	0x16
 | 
					
						
							|  |  |  | #define CP210X_SET_CHARS	0x19
 | 
					
						
							| 
									
										
										
										
											2012-01-16 18:14:09 -06:00
										 |  |  | #define CP210X_GET_BAUDRATE	0x1D
 | 
					
						
							|  |  |  | #define CP210X_SET_BAUDRATE	0x1E
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:53:30 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  | /* CP210X_IFC_ENABLE */ | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | #define UART_ENABLE		0x0001
 | 
					
						
							|  |  |  | #define UART_DISABLE		0x0000
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:53:30 +01:00
										 |  |  | /* CP210X_(SET|GET)_BAUDDIV */ | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | #define BAUD_RATE_GEN_FREQ	0x384000
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:53:30 +01:00
										 |  |  | /* CP210X_(SET|GET)_LINE_CTL */ | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | #define BITS_DATA_MASK		0X0f00
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | #define BITS_DATA_5		0X0500
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | #define BITS_DATA_6		0X0600
 | 
					
						
							|  |  |  | #define BITS_DATA_7		0X0700
 | 
					
						
							|  |  |  | #define BITS_DATA_8		0X0800
 | 
					
						
							|  |  |  | #define BITS_DATA_9		0X0900
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | #define BITS_PARITY_MASK	0x00f0
 | 
					
						
							|  |  |  | #define BITS_PARITY_NONE	0x0000
 | 
					
						
							|  |  |  | #define BITS_PARITY_ODD		0x0010
 | 
					
						
							|  |  |  | #define BITS_PARITY_EVEN	0x0020
 | 
					
						
							|  |  |  | #define BITS_PARITY_MARK	0x0030
 | 
					
						
							|  |  |  | #define BITS_PARITY_SPACE	0x0040
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | #define BITS_STOP_MASK		0x000f
 | 
					
						
							|  |  |  | #define BITS_STOP_1		0x0000
 | 
					
						
							|  |  |  | #define BITS_STOP_1_5		0x0001
 | 
					
						
							|  |  |  | #define BITS_STOP_2		0x0002
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:53:30 +01:00
										 |  |  | /* CP210X_SET_BREAK */ | 
					
						
							| 
									
										
										
										
											2010-08-18 22:13:39 +01:00
										 |  |  | #define BREAK_ON		0x0001
 | 
					
						
							|  |  |  | #define BREAK_OFF		0x0000
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:53:30 +01:00
										 |  |  | /* CP210X_(SET_MHS|GET_MDMSTS) */ | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | #define CONTROL_DTR		0x0001
 | 
					
						
							|  |  |  | #define CONTROL_RTS		0x0002
 | 
					
						
							|  |  |  | #define CONTROL_CTS		0x0010
 | 
					
						
							|  |  |  | #define CONTROL_DSR		0x0020
 | 
					
						
							|  |  |  | #define CONTROL_RING		0x0040
 | 
					
						
							|  |  |  | #define CONTROL_DCD		0x0080
 | 
					
						
							|  |  |  | #define CONTROL_WRITE_DTR	0x0100
 | 
					
						
							|  |  |  | #define CONTROL_WRITE_RTS	0x0200
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | /*
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  |  * cp210x_get_config | 
					
						
							|  |  |  |  * Reads from the CP210x configuration registers | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  |  * 'size' is specified in bytes. | 
					
						
							|  |  |  |  * 'data' is a pointer to a pre-allocated array of integers large | 
					
						
							|  |  |  |  * enough to hold 'size' bytes (with 4 bytes to each integer) | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static int cp210x_get_config(struct usb_serial_port *port, u8 request, | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		unsigned int *data, int size) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							|  |  |  | 	struct usb_serial *serial = port->serial; | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	struct cp210x_serial_private *spriv = usb_get_serial_data(serial); | 
					
						
							| 
									
										
										
										
											2007-02-09 16:39:55 +00:00
										 |  |  | 	__le32 *buf; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	int result, i, length; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* Number of integers required to contain the array */ | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 	length = (((size - 1) | 3) + 1) / 4; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-02-09 16:39:55 +00:00
										 |  |  | 	buf = kcalloc(length, sizeof(__le32), GFP_KERNEL); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	if (!buf) { | 
					
						
							| 
									
										
										
										
											2008-03-03 16:08:34 -08:00
										 |  |  | 		dev_err(&port->dev, "%s - out of memory.\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		return -ENOMEM; | 
					
						
							|  |  |  | 	} | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	/* Issue the request, attempting to read 'size' bytes */ | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), | 
					
						
							| 
									
										
										
										
											2012-04-30 23:06:48 -05:00
										 |  |  | 				request, REQTYPE_INTERFACE_TO_HOST, 0x0000, | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 				spriv->bInterfaceNumber, buf, size, | 
					
						
							| 
									
										
										
										
											2012-04-20 12:38:32 +03:00
										 |  |  | 				USB_CTRL_GET_TIMEOUT); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	/* Convert data into an array of integers */ | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 	for (i = 0; i < length; i++) | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		data[i] = le32_to_cpu(buf[i]); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	kfree(buf); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	if (result != size) { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(&port->dev, "%s - Unable to send config request, request=0x%x size=%d result=%d\n", | 
					
						
							|  |  |  | 			__func__, request, size, result); | 
					
						
							| 
									
										
										
										
											2011-11-10 14:58:29 +01:00
										 |  |  | 		if (result > 0) | 
					
						
							|  |  |  | 			result = -EPROTO; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		return result; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	} | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	return 0; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | /*
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  |  * cp210x_set_config | 
					
						
							|  |  |  |  * Writes to the CP210x configuration registers | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  |  * Values less than 16 bits wide are sent directly | 
					
						
							|  |  |  |  * 'size' is specified in bytes. | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static int cp210x_set_config(struct usb_serial_port *port, u8 request, | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		unsigned int *data, int size) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							|  |  |  | 	struct usb_serial *serial = port->serial; | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	struct cp210x_serial_private *spriv = usb_get_serial_data(serial); | 
					
						
							| 
									
										
										
										
											2007-02-09 16:39:55 +00:00
										 |  |  | 	__le32 *buf; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	int result, i, length; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	/* Number of integers required to contain the array */ | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 	length = (((size - 1) | 3) + 1) / 4; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-02-09 16:39:55 +00:00
										 |  |  | 	buf = kmalloc(length * sizeof(__le32), GFP_KERNEL); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	if (!buf) { | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 		dev_err(&port->dev, "%s - out of memory.\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		return -ENOMEM; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* Array of integers into bytes */ | 
					
						
							|  |  |  | 	for (i = 0; i < length; i++) | 
					
						
							|  |  |  | 		buf[i] = cpu_to_le32(data[i]); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	if (size > 2) { | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		result = usb_control_msg(serial->dev, | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 				usb_sndctrlpipe(serial->dev, 0), | 
					
						
							| 
									
										
										
										
											2012-04-30 23:06:48 -05:00
										 |  |  | 				request, REQTYPE_HOST_TO_INTERFACE, 0x0000, | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 				spriv->bInterfaceNumber, buf, size, | 
					
						
							| 
									
										
										
										
											2012-04-20 12:38:32 +03:00
										 |  |  | 				USB_CTRL_SET_TIMEOUT); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	} else { | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		result = usb_control_msg(serial->dev, | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 				usb_sndctrlpipe(serial->dev, 0), | 
					
						
							| 
									
										
										
										
											2012-04-30 23:06:48 -05:00
										 |  |  | 				request, REQTYPE_HOST_TO_INTERFACE, data[0], | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 				spriv->bInterfaceNumber, NULL, 0, | 
					
						
							| 
									
										
										
										
											2012-04-20 12:38:32 +03:00
										 |  |  | 				USB_CTRL_SET_TIMEOUT); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	kfree(buf); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	if ((size > 2 && result != size) || result < 0) { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(&port->dev, "%s - Unable to send request, request=0x%x size=%d result=%d\n", | 
					
						
							|  |  |  | 			__func__, request, size, result); | 
					
						
							| 
									
										
										
										
											2011-11-10 14:58:29 +01:00
										 |  |  | 		if (result > 0) | 
					
						
							|  |  |  | 			result = -EPROTO; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		return result; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	} | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | /*
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  |  * cp210x_set_config_single | 
					
						
							|  |  |  |  * Convenience function for calling cp210x_set_config on single data values | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  |  * without requiring an integer pointer | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static inline int cp210x_set_config_single(struct usb_serial_port *port, | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		u8 request, unsigned int data) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	return cp210x_set_config(port, request, &data, 2); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-02-26 22:19:22 +00:00
										 |  |  | /*
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  |  * cp210x_quantise_baudrate | 
					
						
							| 
									
										
										
										
											2009-02-26 22:19:22 +00:00
										 |  |  |  * Quantises the baud rate as per AN205 Table 1 | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | static unsigned int cp210x_quantise_baudrate(unsigned int baud) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:50 +01:00
										 |  |  | 	if (baud <= 300) | 
					
						
							|  |  |  | 		baud = 300; | 
					
						
							| 
									
										
										
										
											2009-02-26 22:19:22 +00:00
										 |  |  | 	else if (baud <= 600)      baud = 600; | 
					
						
							|  |  |  | 	else if (baud <= 1200)     baud = 1200; | 
					
						
							|  |  |  | 	else if (baud <= 1800)     baud = 1800; | 
					
						
							|  |  |  | 	else if (baud <= 2400)     baud = 2400; | 
					
						
							|  |  |  | 	else if (baud <= 4000)     baud = 4000; | 
					
						
							|  |  |  | 	else if (baud <= 4803)     baud = 4800; | 
					
						
							|  |  |  | 	else if (baud <= 7207)     baud = 7200; | 
					
						
							|  |  |  | 	else if (baud <= 9612)     baud = 9600; | 
					
						
							|  |  |  | 	else if (baud <= 14428)    baud = 14400; | 
					
						
							|  |  |  | 	else if (baud <= 16062)    baud = 16000; | 
					
						
							|  |  |  | 	else if (baud <= 19250)    baud = 19200; | 
					
						
							|  |  |  | 	else if (baud <= 28912)    baud = 28800; | 
					
						
							|  |  |  | 	else if (baud <= 38601)    baud = 38400; | 
					
						
							|  |  |  | 	else if (baud <= 51558)    baud = 51200; | 
					
						
							|  |  |  | 	else if (baud <= 56280)    baud = 56000; | 
					
						
							|  |  |  | 	else if (baud <= 58053)    baud = 57600; | 
					
						
							|  |  |  | 	else if (baud <= 64111)    baud = 64000; | 
					
						
							|  |  |  | 	else if (baud <= 77608)    baud = 76800; | 
					
						
							|  |  |  | 	else if (baud <= 117028)   baud = 115200; | 
					
						
							|  |  |  | 	else if (baud <= 129347)   baud = 128000; | 
					
						
							|  |  |  | 	else if (baud <= 156868)   baud = 153600; | 
					
						
							|  |  |  | 	else if (baud <= 237832)   baud = 230400; | 
					
						
							|  |  |  | 	else if (baud <= 254234)   baud = 250000; | 
					
						
							|  |  |  | 	else if (baud <= 273066)   baud = 256000; | 
					
						
							|  |  |  | 	else if (baud <= 491520)   baud = 460800; | 
					
						
							|  |  |  | 	else if (baud <= 567138)   baud = 500000; | 
					
						
							|  |  |  | 	else if (baud <= 670254)   baud = 576000; | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:53 +01:00
										 |  |  | 	else if (baud < 1000000) | 
					
						
							|  |  |  | 		baud = 921600; | 
					
						
							|  |  |  | 	else if (baud > 2000000) | 
					
						
							|  |  |  | 		baud = 2000000; | 
					
						
							| 
									
										
										
										
											2009-02-26 22:19:22 +00:00
										 |  |  | 	return baud; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-09-19 13:13:26 -07:00
										 |  |  | static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							|  |  |  | 	int result; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-11-10 14:58:29 +01:00
										 |  |  | 	result = cp210x_set_config_single(port, CP210X_IFC_ENABLE, | 
					
						
							|  |  |  | 								UART_ENABLE); | 
					
						
							|  |  |  | 	if (result) { | 
					
						
							|  |  |  | 		dev_err(&port->dev, "%s - Unable to enable UART\n", __func__); | 
					
						
							|  |  |  | 		return result; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	/* Configure the termios structure */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	cp210x_get_termios(tty, port); | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:48 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:52 +01:00
										 |  |  | 	/* The baud rate must be initialised on cp2104 */ | 
					
						
							|  |  |  | 	if (tty) | 
					
						
							|  |  |  | 		cp210x_change_speed(tty, port, NULL); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:48 +01:00
										 |  |  | 	return usb_serial_generic_open(tty, port); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_close(struct usb_serial_port *port) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							| 
									
										
										
										
											2010-03-17 23:00:45 +01:00
										 |  |  | 	usb_serial_generic_close(port); | 
					
						
							| 
									
										
										
										
											2013-03-21 12:37:36 +01:00
										 |  |  | 	cp210x_set_config_single(port, CP210X_IFC_ENABLE, UART_DISABLE); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | /*
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  |  * cp210x_get_termios | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  |  * Reads the baud rate, data bits, parity, stop bits and flow control mode | 
					
						
							|  |  |  |  * from the device, corrects any unsupported values, and configures the | 
					
						
							|  |  |  |  * termios structure to reflect the state of the device | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_get_termios(struct tty_struct *tty, | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 	struct usb_serial_port *port) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	unsigned int baud; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	if (tty) { | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_get_termios_port(tty->driver_data, | 
					
						
							| 
									
										
										
										
											2012-07-14 15:31:47 +01:00
										 |  |  | 			&tty->termios.c_cflag, &baud); | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 		tty_encode_baud_rate(tty, baud, baud); | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 	} else { | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 		unsigned int cflag; | 
					
						
							|  |  |  | 		cflag = 0; | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_get_termios_port(port, &cflag, &baud); | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | /*
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  |  * cp210x_get_termios_port | 
					
						
							|  |  |  |  * This is the heart of cp210x_get_termios which always uses a &usb_serial_port. | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  |  */ | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_get_termios_port(struct usb_serial_port *port, | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 	unsigned int *cflagp, unsigned int *baudp) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	struct device *dev = &port->dev; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	unsigned int cflag, modem_ctl[4]; | 
					
						
							| 
									
										
										
										
											2008-05-30 10:29:55 -07:00
										 |  |  | 	unsigned int baud; | 
					
						
							|  |  |  | 	unsigned int bits; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-01-16 18:14:09 -06:00
										 |  |  | 	cp210x_get_config(port, CP210X_GET_BAUDRATE, &baud, 4); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	dev_dbg(dev, "%s - baud rate = %d\n", __func__, baud); | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 	*baudp = baud; | 
					
						
							| 
									
										
										
										
											2007-10-18 01:24:24 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 	cflag = *cflagp; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	cflag &= ~CSIZE; | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 	switch (bits & BITS_DATA_MASK) { | 
					
						
							|  |  |  | 	case BITS_DATA_5: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - data bits = 5\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CS5; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_DATA_6: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - data bits = 6\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CS6; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_DATA_7: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - data bits = 7\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CS7; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_DATA_8: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - data bits = 8\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CS8; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_DATA_9: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - data bits = 9 (not supported, using 8 data bits)\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CS8; | 
					
						
							|  |  |  | 		bits &= ~BITS_DATA_MASK; | 
					
						
							|  |  |  | 		bits |= BITS_DATA_8; | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							|  |  |  | 	default: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - Unknown number of data bits, using 8\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CS8; | 
					
						
							|  |  |  | 		bits &= ~BITS_DATA_MASK; | 
					
						
							|  |  |  | 		bits |= BITS_DATA_8; | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 	switch (bits & BITS_PARITY_MASK) { | 
					
						
							|  |  |  | 	case BITS_PARITY_NONE: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - parity = NONE\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag &= ~PARENB; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_PARITY_ODD: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - parity = ODD\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= (PARENB|PARODD); | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_PARITY_EVEN: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - parity = EVEN\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag &= ~PARODD; | 
					
						
							|  |  |  | 		cflag |= PARENB; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_PARITY_MARK: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - parity = MARK\n", __func__); | 
					
						
							| 
									
										
										
										
											2011-11-09 19:37:08 +01:00
										 |  |  | 		cflag |= (PARENB|PARODD|CMSPAR); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_PARITY_SPACE: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - parity = SPACE\n", __func__); | 
					
						
							| 
									
										
										
										
											2011-11-09 19:37:08 +01:00
										 |  |  | 		cflag &= ~PARODD; | 
					
						
							|  |  |  | 		cflag |= (PARENB|CMSPAR); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							|  |  |  | 	default: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - Unknown parity mode, disabling parity\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag &= ~PARENB; | 
					
						
							|  |  |  | 		bits &= ~BITS_PARITY_MASK; | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	cflag &= ~CSTOPB; | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 	switch (bits & BITS_STOP_MASK) { | 
					
						
							|  |  |  | 	case BITS_STOP_1: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - stop bits = 1\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_STOP_1_5: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - stop bits = 1.5 (not supported, using 1 stop bit)\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		bits &= ~BITS_STOP_MASK; | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							|  |  |  | 	case BITS_STOP_2: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - stop bits = 2\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		cflag |= CSTOPB; | 
					
						
							|  |  |  | 		break; | 
					
						
							|  |  |  | 	default: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - Unknown number of stop bits, using 1 stop bit\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		bits &= ~BITS_STOP_MASK; | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		break; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	cp210x_get_config(port, CP210X_GET_FLOW, modem_ctl, 16); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	if (modem_ctl[0] & 0x0008) { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - flow control = CRTSCTS\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		cflag |= CRTSCTS; | 
					
						
							|  |  |  | 	} else { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - flow control = NONE\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		cflag &= ~CRTSCTS; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 	*cflagp = cflag; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | /*
 | 
					
						
							|  |  |  |  * CP2101 supports the following baud rates: | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *	300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 14400, 19200, 28800, | 
					
						
							|  |  |  |  *	38400, 56000, 57600, 115200, 128000, 230400, 460800, 921600 | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * CP2102 and CP2103 support the following additional rates: | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *	4000, 16000, 51200, 64000, 76800, 153600, 250000, 256000, 500000, | 
					
						
							|  |  |  |  *	576000 | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * The device will map a requested rate to a supported one, but the result | 
					
						
							|  |  |  |  * of requests for rates greater than 1053257 is undefined (see AN205). | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * CP2104, CP2105 and CP2110 support most rates up to 2M, 921k and 1M baud, | 
					
						
							|  |  |  |  * respectively, with an error less than 1%. The actual rates are determined | 
					
						
							|  |  |  |  * by | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *	div = round(freq / (2 x prescale x request)) | 
					
						
							|  |  |  |  *	actual = freq / (2 x prescale x div) | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * For CP2104 and CP2105 freq is 48Mhz and prescale is 4 for request <= 365bps | 
					
						
							|  |  |  |  * or 1 otherwise. | 
					
						
							|  |  |  |  * For CP2110 freq is 24Mhz and prescale is 4 for request <= 300bps or 1 | 
					
						
							|  |  |  |  * otherwise. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | static void cp210x_change_speed(struct tty_struct *tty, | 
					
						
							|  |  |  | 		struct usb_serial_port *port, struct ktermios *old_termios) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	u32 baud; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-07-14 15:31:47 +01:00
										 |  |  | 	baud = tty->termios.c_ospeed; | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:53 +01:00
										 |  |  | 	/* This maps the requested rate to a rate valid on cp2102 or cp2103,
 | 
					
						
							|  |  |  | 	 * or to an arbitrary rate in [1M,2M]. | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | 	 * | 
					
						
							|  |  |  | 	 * NOTE: B0 is not implemented. | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	baud = cp210x_quantise_baudrate(baud); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	dev_dbg(&port->dev, "%s - setting baud rate to %u\n", __func__, baud); | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | 	if (cp210x_set_config(port, CP210X_SET_BAUDRATE, &baud, | 
					
						
							|  |  |  | 							sizeof(baud))) { | 
					
						
							|  |  |  | 		dev_warn(&port->dev, "failed to set baud rate to %u\n", baud); | 
					
						
							|  |  |  | 		if (old_termios) | 
					
						
							|  |  |  | 			baud = old_termios->c_ospeed; | 
					
						
							|  |  |  | 		else | 
					
						
							|  |  |  | 			baud = 9600; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	tty_encode_baud_rate(tty, baud, baud); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static void cp210x_set_termios(struct tty_struct *tty, | 
					
						
							| 
									
										
										
										
											2008-07-22 11:09:07 +01:00
										 |  |  | 		struct usb_serial_port *port, struct ktermios *old_termios) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	struct device *dev = &port->dev; | 
					
						
							| 
									
										
										
										
											2007-10-18 01:24:24 -07:00
										 |  |  | 	unsigned int cflag, old_cflag; | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:49 +01:00
										 |  |  | 	unsigned int bits; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	unsigned int modem_ctl[4]; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-07-14 15:31:47 +01:00
										 |  |  | 	cflag = tty->termios.c_cflag; | 
					
						
							| 
									
										
										
										
											2007-07-26 18:54:12 +01:00
										 |  |  | 	old_cflag = old_termios->c_cflag; | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-07-14 15:31:47 +01:00
										 |  |  | 	if (tty->termios.c_ospeed != old_termios->c_ospeed) | 
					
						
							| 
									
										
										
										
											2012-01-16 00:36:51 +01:00
										 |  |  | 		cp210x_change_speed(tty, port, old_termios); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	/* If the number of data bits is to be updated */ | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	if ((cflag & CSIZE) != (old_cflag & CSIZE)) { | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		bits &= ~BITS_DATA_MASK; | 
					
						
							|  |  |  | 		switch (cflag & CSIZE) { | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 		case CS5: | 
					
						
							|  |  |  | 			bits |= BITS_DATA_5; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - data bits = 5\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 			break; | 
					
						
							|  |  |  | 		case CS6: | 
					
						
							|  |  |  | 			bits |= BITS_DATA_6; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - data bits = 6\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 			break; | 
					
						
							|  |  |  | 		case CS7: | 
					
						
							|  |  |  | 			bits |= BITS_DATA_7; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - data bits = 7\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 			break; | 
					
						
							|  |  |  | 		case CS8: | 
					
						
							|  |  |  | 			bits |= BITS_DATA_8; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - data bits = 8\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 			break; | 
					
						
							|  |  |  | 		/*case CS9:
 | 
					
						
							|  |  |  | 			bits |= BITS_DATA_9; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - data bits = 9\n", __func__); | 
					
						
							| 
									
										
										
										
											2008-07-22 11:10:17 +01:00
										 |  |  | 			break;*/ | 
					
						
							|  |  |  | 		default: | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "cp210x driver does not support the number of bits requested, using 8 bit mode\n"); | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | 			bits |= BITS_DATA_8; | 
					
						
							|  |  |  | 			break; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		} | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "Number of data bits requested not supported by device\n"); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-11-09 19:37:08 +01:00
										 |  |  | 	if ((cflag     & (PARENB|PARODD|CMSPAR)) != | 
					
						
							|  |  |  | 	    (old_cflag & (PARENB|PARODD|CMSPAR))) { | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		bits &= ~BITS_PARITY_MASK; | 
					
						
							|  |  |  | 		if (cflag & PARENB) { | 
					
						
							| 
									
										
										
										
											2011-11-09 19:37:08 +01:00
										 |  |  | 			if (cflag & CMSPAR) { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 				if (cflag & PARODD) { | 
					
						
							|  |  |  | 					bits |= BITS_PARITY_MARK; | 
					
						
							|  |  |  | 					dev_dbg(dev, "%s - parity = MARK\n", __func__); | 
					
						
							|  |  |  | 				} else { | 
					
						
							|  |  |  | 					bits |= BITS_PARITY_SPACE; | 
					
						
							|  |  |  | 					dev_dbg(dev, "%s - parity = SPACE\n", __func__); | 
					
						
							|  |  |  | 				} | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 			} else { | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 				if (cflag & PARODD) { | 
					
						
							|  |  |  | 					bits |= BITS_PARITY_ODD; | 
					
						
							|  |  |  | 					dev_dbg(dev, "%s - parity = ODD\n", __func__); | 
					
						
							|  |  |  | 				} else { | 
					
						
							|  |  |  | 					bits |= BITS_PARITY_EVEN; | 
					
						
							|  |  |  | 					dev_dbg(dev, "%s - parity = EVEN\n", __func__); | 
					
						
							|  |  |  | 				} | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 			} | 
					
						
							|  |  |  | 		} | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "Parity mode not supported by device\n"); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) { | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		bits &= ~BITS_STOP_MASK; | 
					
						
							|  |  |  | 		if (cflag & CSTOPB) { | 
					
						
							|  |  |  | 			bits |= BITS_STOP_2; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - stop bits = 2\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		} else { | 
					
						
							|  |  |  | 			bits |= BITS_STOP_1; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - stop bits = 1\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		} | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "Number of stop bits requested not supported by device\n"); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	} | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	if ((cflag & CRTSCTS) != (old_cflag & CRTSCTS)) { | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_get_config(port, CP210X_GET_FLOW, modem_ctl, 16); | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - read modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x\n", | 
					
						
							|  |  |  | 			__func__, modem_ctl[0], modem_ctl[1], | 
					
						
							|  |  |  | 			modem_ctl[2], modem_ctl[3]); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		if (cflag & CRTSCTS) { | 
					
						
							|  |  |  | 			modem_ctl[0] &= ~0x7B; | 
					
						
							|  |  |  | 			modem_ctl[0] |= 0x09; | 
					
						
							|  |  |  | 			modem_ctl[1] = 0x80; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - flow control = CRTSCTS\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		} else { | 
					
						
							|  |  |  | 			modem_ctl[0] &= ~0x7B; | 
					
						
							|  |  |  | 			modem_ctl[0] |= 0x01; | 
					
						
							|  |  |  | 			modem_ctl[1] |= 0x40; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 			dev_dbg(dev, "%s - flow control = NONE\n", __func__); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 		dev_dbg(dev, "%s - write modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x\n", | 
					
						
							|  |  |  | 			__func__, modem_ctl[0], modem_ctl[1], | 
					
						
							|  |  |  | 			modem_ctl[2], modem_ctl[3]); | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 		cp210x_set_config(port, CP210X_SET_FLOW, modem_ctl, 16); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | static int cp210x_tiocmset(struct tty_struct *tty, | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 		unsigned int set, unsigned int clear) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2008-07-22 11:09:07 +01:00
										 |  |  | 	struct usb_serial_port *port = tty->driver_data; | 
					
						
							| 
									
										
										
										
											2011-02-14 16:26:50 +00:00
										 |  |  | 	return cp210x_tiocmset_port(port, set, clear); | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-02-14 16:26:50 +00:00
										 |  |  | static int cp210x_tiocmset_port(struct usb_serial_port *port, | 
					
						
							| 
									
										
										
										
											2009-03-12 14:37:42 -07:00
										 |  |  | 		unsigned int set, unsigned int clear) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2008-05-30 10:29:55 -07:00
										 |  |  | 	unsigned int control = 0; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	if (set & TIOCM_RTS) { | 
					
						
							|  |  |  | 		control |= CONTROL_RTS; | 
					
						
							|  |  |  | 		control |= CONTROL_WRITE_RTS; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	if (set & TIOCM_DTR) { | 
					
						
							|  |  |  | 		control |= CONTROL_DTR; | 
					
						
							|  |  |  | 		control |= CONTROL_WRITE_DTR; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	if (clear & TIOCM_RTS) { | 
					
						
							|  |  |  | 		control &= ~CONTROL_RTS; | 
					
						
							|  |  |  | 		control |= CONTROL_WRITE_RTS; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	if (clear & TIOCM_DTR) { | 
					
						
							|  |  |  | 		control &= ~CONTROL_DTR; | 
					
						
							|  |  |  | 		control |= CONTROL_WRITE_DTR; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	dev_dbg(&port->dev, "%s - control = 0x%.4x\n", __func__, control); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	return cp210x_set_config(port, CP210X_SET_MHS, &control, 2); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-10-28 21:12:33 +01:00
										 |  |  | static void cp210x_dtr_rts(struct usb_serial_port *p, int on) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	if (on) | 
					
						
							| 
									
										
										
										
											2011-02-14 16:26:50 +00:00
										 |  |  | 		cp210x_tiocmset_port(p, TIOCM_DTR|TIOCM_RTS, 0); | 
					
						
							| 
									
										
										
										
											2009-10-28 21:12:33 +01:00
										 |  |  | 	else | 
					
						
							| 
									
										
										
										
											2011-02-14 16:26:50 +00:00
										 |  |  | 		cp210x_tiocmset_port(p, 0, TIOCM_DTR|TIOCM_RTS); | 
					
						
							| 
									
										
										
										
											2009-10-28 21:12:33 +01:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | static int cp210x_tiocmget(struct tty_struct *tty) | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | { | 
					
						
							| 
									
										
										
										
											2008-07-22 11:09:07 +01:00
										 |  |  | 	struct usb_serial_port *port = tty->driver_data; | 
					
						
							| 
									
										
										
										
											2008-05-30 10:29:55 -07:00
										 |  |  | 	unsigned int control; | 
					
						
							|  |  |  | 	int result; | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	cp210x_get_config(port, CP210X_GET_MDMSTS, &control, 1); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0) | 
					
						
							|  |  |  | 		|((control & CONTROL_RTS) ? TIOCM_RTS : 0) | 
					
						
							|  |  |  | 		|((control & CONTROL_CTS) ? TIOCM_CTS : 0) | 
					
						
							|  |  |  | 		|((control & CONTROL_DSR) ? TIOCM_DSR : 0) | 
					
						
							|  |  |  | 		|((control & CONTROL_RING)? TIOCM_RI  : 0) | 
					
						
							|  |  |  | 		|((control & CONTROL_DCD) ? TIOCM_CD  : 0); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	dev_dbg(&port->dev, "%s - control = 0x%.2x\n", __func__, control); | 
					
						
							| 
									
										
										
										
											2005-05-27 00:09:56 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	return result; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-29 10:56:19 +01:00
										 |  |  | static void cp210x_break_ctl(struct tty_struct *tty, int break_state) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							| 
									
										
										
										
											2008-07-22 11:09:07 +01:00
										 |  |  | 	struct usb_serial_port *port = tty->driver_data; | 
					
						
							| 
									
										
										
										
											2008-05-30 10:29:55 -07:00
										 |  |  | 	unsigned int state; | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	if (break_state == 0) | 
					
						
							|  |  |  | 		state = BREAK_OFF; | 
					
						
							|  |  |  | 	else | 
					
						
							|  |  |  | 		state = BREAK_ON; | 
					
						
							| 
									
										
										
										
											2012-09-13 17:18:13 -07:00
										 |  |  | 	dev_dbg(&port->dev, "%s - turning break %s\n", __func__, | 
					
						
							|  |  |  | 		state == BREAK_OFF ? "off" : "on"); | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	cp210x_set_config(port, CP210X_SET_BREAK, &state, 2); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | static int cp210x_startup(struct usb_serial *serial) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	struct usb_host_interface *cur_altsetting; | 
					
						
							|  |  |  | 	struct cp210x_serial_private *spriv; | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-06-11 13:54:40 +01:00
										 |  |  | 	/* cp210x buffers behave strangely unless device is reset */ | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	usb_reset_device(serial->dev); | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL); | 
					
						
							|  |  |  | 	if (!spriv) | 
					
						
							|  |  |  | 		return -ENOMEM; | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	cur_altsetting = serial->interface->cur_altsetting; | 
					
						
							|  |  |  | 	spriv->bInterfaceNumber = cur_altsetting->desc.bInterfaceNumber; | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	usb_set_serial_data(serial, spriv); | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | static void cp210x_release(struct usb_serial *serial) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	struct cp210x_serial_private *spriv; | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-10-15 15:47:20 +02:00
										 |  |  | 	spriv = usb_get_serial_data(serial); | 
					
						
							|  |  |  | 	kfree(spriv); | 
					
						
							| 
									
										
										
										
											2012-02-24 13:42:39 -06:00
										 |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-05-08 15:46:14 -07:00
										 |  |  | module_usb_serial_driver(serial_drivers, id_table); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | MODULE_DESCRIPTION(DRIVER_DESC); | 
					
						
							|  |  |  | MODULE_LICENSE("GPL"); |