11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * USB FTDI SIO driver 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 1999 - 2001 51da177e4SLinus Torvalds * Greg Kroah-Hartman (greg@kroah.com) 61da177e4SLinus Torvalds * Bill Ryder (bryder@sgi.com) 71da177e4SLinus Torvalds * Copyright (C) 2002 81da177e4SLinus Torvalds * Kuba Ober (kuba@mareimbrium.org) 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 111da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 121da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 131da177e4SLinus Torvalds * (at your option) any later version. 141da177e4SLinus Torvalds * 151da177e4SLinus Torvalds * See Documentation/usb/usb-serial.txt for more information on using this driver 161da177e4SLinus Torvalds * 171da177e4SLinus Torvalds * See http://ftdi-usb-sio.sourceforge.net for upto date testing info 181da177e4SLinus Torvalds * and extra documentation 191da177e4SLinus Torvalds * 201da177e4SLinus Torvalds * (21/Jul/2004) Ian Abbott 211da177e4SLinus Torvalds * Incorporated Steven Turner's code to add support for the FT2232C chip. 221da177e4SLinus Torvalds * The prelimilary port to the 2.6 kernel was by Rus V. Brushkoff. I have 231da177e4SLinus Torvalds * fixed a couple of things. 241da177e4SLinus Torvalds * 251da177e4SLinus Torvalds * (27/May/2004) Ian Abbott 261da177e4SLinus Torvalds * Improved throttling code, mostly stolen from the WhiteHEAT driver. 271da177e4SLinus Torvalds * 281da177e4SLinus Torvalds * (26/Mar/2004) Jan Capek 291da177e4SLinus Torvalds * Added PID's for ICD-U20/ICD-U40 - incircuit PIC debuggers from CCS Inc. 301da177e4SLinus Torvalds * 311da177e4SLinus Torvalds * (09/Feb/2004) Ian Abbott 321da177e4SLinus Torvalds * Changed full name of USB-UIRT device to avoid "/" character. 331da177e4SLinus Torvalds * Added FTDI's alternate PID (0x6006) for FT232/245 devices. 341da177e4SLinus Torvalds * Added PID for "ELV USB Module UO100" from Stefan Frings. 351da177e4SLinus Torvalds * 361da177e4SLinus Torvalds * (21/Oct/2003) Ian Abbott 371da177e4SLinus Torvalds * Renamed some VID/PID macros for Matrix Orbital and Perle Systems 381da177e4SLinus Torvalds * devices. Removed Matrix Orbital and Perle Systems devices from the 391da177e4SLinus Torvalds * 8U232AM device table, but left them in the FT232BM table, as they are 401da177e4SLinus Torvalds * known to use only FT232BM. 411da177e4SLinus Torvalds * 421da177e4SLinus Torvalds * (17/Oct/2003) Scott Allen 431da177e4SLinus Torvalds * Added vid/pid for Perle Systems UltraPort USB serial converters 441da177e4SLinus Torvalds * 451da177e4SLinus Torvalds * (21/Sep/2003) Ian Abbott 461da177e4SLinus Torvalds * Added VID/PID for Omnidirectional Control Technology US101 USB to 471da177e4SLinus Torvalds * RS-232 adapter (also rebadged as Dick Smith Electronics XH6381). 481da177e4SLinus Torvalds * VID/PID supplied by Donald Gordon. 491da177e4SLinus Torvalds * 501da177e4SLinus Torvalds * (19/Aug/2003) Ian Abbott 511da177e4SLinus Torvalds * Freed urb's transfer buffer in write bulk callback. 521da177e4SLinus Torvalds * Omitted some paranoid checks in write bulk callback that don't matter. 531da177e4SLinus Torvalds * Scheduled work in write bulk callback regardless of port's open count. 541da177e4SLinus Torvalds * 551da177e4SLinus Torvalds * (05/Aug/2003) Ian Abbott 561da177e4SLinus Torvalds * Added VID/PID for ID TECH IDT1221U USB to RS-232 adapter. 571da177e4SLinus Torvalds * VID/PID provided by Steve Briggs. 581da177e4SLinus Torvalds * 591da177e4SLinus Torvalds * (23/Jul/2003) Ian Abbott 601da177e4SLinus Torvalds * Added PIDs for CrystalFontz 547, 633, 631, 635, 640 and 640 from 611da177e4SLinus Torvalds * Wayne Wylupski. 621da177e4SLinus Torvalds * 631da177e4SLinus Torvalds * (10/Jul/2003) David Glance 641da177e4SLinus Torvalds * Added PID for DSS-20 SyncStation cradle for Sony-Ericsson P800. 651da177e4SLinus Torvalds * 661da177e4SLinus Torvalds * (27/Jun/2003) Ian Abbott 671da177e4SLinus Torvalds * Reworked the urb handling logic. We have no more pool, but dynamically 681da177e4SLinus Torvalds * allocate the urb and the transfer buffer on the fly. In testing this 691da177e4SLinus Torvalds * does not incure any measurable overhead. This also relies on the fact 701da177e4SLinus Torvalds * that we have proper reference counting logic for urbs. I nicked this 711da177e4SLinus Torvalds * from Greg KH's Visor driver. 721da177e4SLinus Torvalds * 731da177e4SLinus Torvalds * (23/Jun/2003) Ian Abbott 741da177e4SLinus Torvalds * Reduced flip buffer pushes and corrected a data length test in 751da177e4SLinus Torvalds * ftdi_read_bulk_callback. 761da177e4SLinus Torvalds * Defererence pointers after any paranoid checks, not before. 771da177e4SLinus Torvalds * 781da177e4SLinus Torvalds * (21/Jun/2003) Erik Nygren 79093cf723SSteven Cole * Added support for Home Electronics Tira-1 IR transceiver using FT232BM chip. 801da177e4SLinus Torvalds * See <http://www.home-electro.com/tira1.htm>. Only operates properly 811da177e4SLinus Torvalds * at 100000 and RTS-CTS, so set custom divisor mode on startup. 821da177e4SLinus Torvalds * Also force the Tira-1 and USB-UIRT to only use their custom baud rates. 831da177e4SLinus Torvalds * 841da177e4SLinus Torvalds * (18/Jun/2003) Ian Abbott 851da177e4SLinus Torvalds * Added Device ID of the USB relais from Rudolf Gugler (backported from 861da177e4SLinus Torvalds * Philipp G�hring's patch for 2.5.x kernel). 871da177e4SLinus Torvalds * Moved read transfer buffer reallocation into startup function. 881da177e4SLinus Torvalds * Free existing write urb and transfer buffer in startup function. 891da177e4SLinus Torvalds * Only use urbs in write urb pool that were successfully allocated. 901da177e4SLinus Torvalds * Moved some constant macros out of functions. 911da177e4SLinus Torvalds * Minor whitespace and comment changes. 921da177e4SLinus Torvalds * 931da177e4SLinus Torvalds * (12/Jun/2003) David Norwood 94093cf723SSteven Cole * Added support for USB-UIRT IR transceiver using 8U232AM chip. 951da177e4SLinus Torvalds * See <http://home.earthlink.net/~jrhees/USBUIRT/index.htm>. Only 961da177e4SLinus Torvalds * operates properly at 312500, so set custom divisor mode on startup. 971da177e4SLinus Torvalds * 981da177e4SLinus Torvalds * (12/Jun/2003) Ian Abbott 991da177e4SLinus Torvalds * Added Sealevel SeaLINK+ 210x, 220x, 240x, 280x vid/pids from Tuan Hoang 1001da177e4SLinus Torvalds * - I've eliminated some that don't seem to exist! 1011da177e4SLinus Torvalds * Added Home Electronics Tira-1 IR transceiver pid from Chris Horn 1021da177e4SLinus Torvalds * Some whitespace/coding-style cleanups 1031da177e4SLinus Torvalds * 1041da177e4SLinus Torvalds * (11/Jun/2003) Ian Abbott 1051da177e4SLinus Torvalds * Fixed unsafe spinlock usage in ftdi_write 1061da177e4SLinus Torvalds * 1071da177e4SLinus Torvalds * (24/Feb/2003) Richard Shooter 1081da177e4SLinus Torvalds * Increase read buffer size to improve read speeds at higher baud rates 1091da177e4SLinus Torvalds * (specifically tested with up to 1Mb/sec at 1.5M baud) 1101da177e4SLinus Torvalds * 1111da177e4SLinus Torvalds * (23/Feb/2003) John Wilkins 1121da177e4SLinus Torvalds * Added Xon/xoff flow control (activating support in the ftdi device) 1131da177e4SLinus Torvalds * Added vid/pid for Videonetworks/Homechoice (UK ISP) 1141da177e4SLinus Torvalds * 1151da177e4SLinus Torvalds * (23/Feb/2003) Bill Ryder 1161da177e4SLinus Torvalds * Added matrix orb device vid/pids from Wayne Wylupski 1171da177e4SLinus Torvalds * 1181da177e4SLinus Torvalds * (19/Feb/2003) Ian Abbott 1191da177e4SLinus Torvalds * For TIOCSSERIAL, set alt_speed to 0 when ASYNC_SPD_MASK value has 1201da177e4SLinus Torvalds * changed to something other than ASYNC_SPD_HI, ASYNC_SPD_VHI, 1211da177e4SLinus Torvalds * ASYNC_SPD_SHI or ASYNC_SPD_WARP. Also, unless ASYNC_SPD_CUST is in 1221da177e4SLinus Torvalds * force, don't bother changing baud rate when custom_divisor has changed. 1231da177e4SLinus Torvalds * 1241da177e4SLinus Torvalds * (18/Feb/2003) Ian Abbott 1251da177e4SLinus Torvalds * Fixed TIOCMGET handling to include state of DTR and RTS, the state 1261da177e4SLinus Torvalds * of which are now saved by set_dtr() and set_rts(). 1271da177e4SLinus Torvalds * Fixed improper storage class for buf in set_dtr() and set_rts(). 1281da177e4SLinus Torvalds * Added FT232BM chip type and support for its extra baud rates (compared 1291da177e4SLinus Torvalds * to FT8U232AM). 1301da177e4SLinus Torvalds * Took account of special case divisor values for highest baud rates of 1311da177e4SLinus Torvalds * FT8U232AM and FT232BM. 1321da177e4SLinus Torvalds * For TIOCSSERIAL, forced alt_speed to 0 when ASYNC_SPD_CUST kludge used, 1331da177e4SLinus Torvalds * as previous alt_speed setting is now stale. 1341da177e4SLinus Torvalds * Moved startup code common between the startup routines for the 1351da177e4SLinus Torvalds * different chip types into a common subroutine. 1361da177e4SLinus Torvalds * 1371da177e4SLinus Torvalds * (17/Feb/2003) Bill Ryder 1381da177e4SLinus Torvalds * Added write urb buffer pool on a per device basis 1391da177e4SLinus Torvalds * Added more checking for open file on callbacks (fixed OOPS) 1401da177e4SLinus Torvalds * Added CrystalFontz 632 and 634 PIDs 1411da177e4SLinus Torvalds * (thanx to CrystalFontz for the sample devices - they flushed out 1421da177e4SLinus Torvalds * some driver bugs) 1431da177e4SLinus Torvalds * Minor debugging message changes 1441da177e4SLinus Torvalds * Added throttle, unthrottle and chars_in_buffer functions 1451da177e4SLinus Torvalds * Fixed FTDI_SIO (the original device) bug 1461da177e4SLinus Torvalds * Fixed some shutdown handling 1471da177e4SLinus Torvalds * 1481da177e4SLinus Torvalds * 1491da177e4SLinus Torvalds * 1501da177e4SLinus Torvalds * 1511da177e4SLinus Torvalds * (07/Jun/2002) Kuba Ober 1521da177e4SLinus Torvalds * Changed FTDI_SIO_BASE_BAUD_TO_DIVISOR macro into ftdi_baud_to_divisor 1531da177e4SLinus Torvalds * function. It was getting too complex. 1541da177e4SLinus Torvalds * Fix the divisor calculation logic which was setting divisor of 0.125 1551da177e4SLinus Torvalds * instead of 0.5 for fractional parts of divisor equal to 5/8, 6/8, 7/8. 1561da177e4SLinus Torvalds * Also make it bump up the divisor to next integer in case of 7/8 - it's 1571da177e4SLinus Torvalds * a better approximation. 1581da177e4SLinus Torvalds * 1591da177e4SLinus Torvalds * (25/Jul/2002) Bill Ryder inserted Dmitri's TIOCMIWAIT patch 1601da177e4SLinus Torvalds * Not tested by me but it doesn't break anything I use. 1611da177e4SLinus Torvalds * 1621da177e4SLinus Torvalds * (04/Jan/2002) Kuba Ober 1631da177e4SLinus Torvalds * Implemented 38400 baudrate kludge, where it can be substituted with other 1641da177e4SLinus Torvalds * values. That's the only way to set custom baudrates. 1651da177e4SLinus Torvalds * Implemented TIOCSSERIAL, TIOCGSERIAL ioctl's so that setserial is happy. 1661da177e4SLinus Torvalds * FIXME: both baudrate things should eventually go to usbserial.c as other 1671da177e4SLinus Torvalds * devices may need that functionality too. Actually, it can probably be 1681da177e4SLinus Torvalds * merged in serial.c somehow - too many drivers repeat this code over 1691da177e4SLinus Torvalds * and over. 1701da177e4SLinus Torvalds * Fixed baudrate forgetfulness - open() used to reset baudrate to 9600 every time. 1711da177e4SLinus Torvalds * Divisors for baudrates are calculated by a macro. 1721da177e4SLinus Torvalds * Small code cleanups. Ugly whitespace changes for Plato's sake only ;-]. 1731da177e4SLinus Torvalds * 1741da177e4SLinus Torvalds * (04/Nov/2001) Bill Ryder 1751da177e4SLinus Torvalds * Fixed bug in read_bulk_callback where incorrect urb buffer was used. 1761da177e4SLinus Torvalds * Cleaned up write offset calculation 1771da177e4SLinus Torvalds * Added write_room since default values can be incorrect for sio 1781da177e4SLinus Torvalds * Changed write_bulk_callback to use same queue_task as other drivers 1791da177e4SLinus Torvalds * (the previous version caused panics) 1801da177e4SLinus Torvalds * Removed port iteration code since the device only has one I/O port and it 1811da177e4SLinus Torvalds * was wrong anyway. 1821da177e4SLinus Torvalds * 1831da177e4SLinus Torvalds * (31/May/2001) gkh 1841da177e4SLinus Torvalds * Switched from using spinlock to a semaphore, which fixes lots of problems. 1851da177e4SLinus Torvalds * 1861da177e4SLinus Torvalds * (23/May/2001) Bill Ryder 1871da177e4SLinus Torvalds * Added runtime debug patch (thanx Tyson D Sawyer). 1881da177e4SLinus Torvalds * Cleaned up comments for 8U232 1891da177e4SLinus Torvalds * Added parity, framing and overrun error handling 1901da177e4SLinus Torvalds * Added receive break handling. 1911da177e4SLinus Torvalds * 1921da177e4SLinus Torvalds * (04/08/2001) gb 1931da177e4SLinus Torvalds * Identify version on module load. 1941da177e4SLinus Torvalds * 1951da177e4SLinus Torvalds * (18/March/2001) Bill Ryder 1961da177e4SLinus Torvalds * (Not released) 1971da177e4SLinus Torvalds * Added send break handling. (requires kernel patch too) 1981da177e4SLinus Torvalds * Fixed 8U232AM hardware RTS/CTS etc status reporting. 1991da177e4SLinus Torvalds * Added flipbuf fix copied from generic device 2001da177e4SLinus Torvalds * 2011da177e4SLinus Torvalds * (12/3/2000) Bill Ryder 2021da177e4SLinus Torvalds * Added support for 8U232AM device. 2031da177e4SLinus Torvalds * Moved PID and VIDs into header file only. 2041da177e4SLinus Torvalds * Turned on low-latency for the tty (device will do high baudrates) 2051da177e4SLinus Torvalds * Added shutdown routine to close files when device removed. 2061da177e4SLinus Torvalds * More debug and error message cleanups. 2071da177e4SLinus Torvalds * 2081da177e4SLinus Torvalds * (11/13/2000) Bill Ryder 2091da177e4SLinus Torvalds * Added spinlock protected open code and close code. 2101da177e4SLinus Torvalds * Multiple opens work (sort of - see webpage mentioned above). 2111da177e4SLinus Torvalds * Cleaned up comments. Removed multiple PID/VID definitions. 2121da177e4SLinus Torvalds * Factorised cts/dtr code 2131da177e4SLinus Torvalds * Made use of __FUNCTION__ in dbg's 2141da177e4SLinus Torvalds * 2151da177e4SLinus Torvalds * (11/01/2000) Adam J. Richter 2161da177e4SLinus Torvalds * usb_device_id table support 2171da177e4SLinus Torvalds * 2181da177e4SLinus Torvalds * (10/05/2000) gkh 2191da177e4SLinus Torvalds * Fixed bug with urb->dev not being set properly, now that the usb 2201da177e4SLinus Torvalds * core needs it. 2211da177e4SLinus Torvalds * 2221da177e4SLinus Torvalds * (09/11/2000) gkh 2231da177e4SLinus Torvalds * Removed DEBUG #ifdefs with call to usb_serial_debug_data 2241da177e4SLinus Torvalds * 2251da177e4SLinus Torvalds * (07/19/2000) gkh 2261da177e4SLinus Torvalds * Added module_init and module_exit functions to handle the fact that this 2271da177e4SLinus Torvalds * driver is a loadable module now. 2281da177e4SLinus Torvalds * 2291da177e4SLinus Torvalds * (04/04/2000) Bill Ryder 2301da177e4SLinus Torvalds * Fixed bugs in TCGET/TCSET ioctls (by removing them - they are 2311da177e4SLinus Torvalds * handled elsewhere in the tty io driver chain). 2321da177e4SLinus Torvalds * 2331da177e4SLinus Torvalds * (03/30/2000) Bill Ryder 2341da177e4SLinus Torvalds * Implemented lots of ioctls 2351da177e4SLinus Torvalds * Fixed a race condition in write 2361da177e4SLinus Torvalds * Changed some dbg's to errs 2371da177e4SLinus Torvalds * 2381da177e4SLinus Torvalds * (03/26/2000) gkh 2391da177e4SLinus Torvalds * Split driver up into device specific pieces. 2401da177e4SLinus Torvalds * 2411da177e4SLinus Torvalds */ 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */ 2441da177e4SLinus Torvalds /* Thanx to FTDI for so kindly providing details of the protocol required */ 2451da177e4SLinus Torvalds /* to talk to the device */ 2461da177e4SLinus Torvalds /* Thanx to gkh and the rest of the usb dev group for all code I have assimilated :-) */ 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvalds #include <linux/config.h> 2491da177e4SLinus Torvalds #include <linux/kernel.h> 2501da177e4SLinus Torvalds #include <linux/errno.h> 2511da177e4SLinus Torvalds #include <linux/init.h> 2521da177e4SLinus Torvalds #include <linux/slab.h> 2531da177e4SLinus Torvalds #include <linux/tty.h> 2541da177e4SLinus Torvalds #include <linux/tty_driver.h> 2551da177e4SLinus Torvalds #include <linux/tty_flip.h> 2561da177e4SLinus Torvalds #include <linux/module.h> 2571da177e4SLinus Torvalds #include <linux/spinlock.h> 2581da177e4SLinus Torvalds #include <asm/uaccess.h> 2591da177e4SLinus Torvalds #include <linux/usb.h> 2601da177e4SLinus Torvalds #include <linux/serial.h> 2611da177e4SLinus Torvalds #include "usb-serial.h" 2621da177e4SLinus Torvalds #include "ftdi_sio.h" 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds /* 2651da177e4SLinus Torvalds * Version Information 2661da177e4SLinus Torvalds */ 26776854ceaSIan Abbott #define DRIVER_VERSION "v1.4.2" 2681da177e4SLinus Torvalds #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>" 2691da177e4SLinus Torvalds #define DRIVER_DESC "USB FTDI Serial Converters Driver" 2701da177e4SLinus Torvalds 2711da177e4SLinus Torvalds static int debug; 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds static struct usb_device_id id_table_sio [] = { 2741da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) }, 2756f92872cSIan Abbott { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, 2761da177e4SLinus Torvalds { } /* Terminating entry */ 2771da177e4SLinus Torvalds }; 2781da177e4SLinus Torvalds 2791da177e4SLinus Torvalds /* 2801da177e4SLinus Torvalds * The 8U232AM has the same API as the sio except for: 2811da177e4SLinus Torvalds * - it can support MUCH higher baudrates; up to: 2821da177e4SLinus Torvalds * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz 2831da177e4SLinus Torvalds * o 230400 at 12MHz 2841da177e4SLinus Torvalds * so .. 8U232AM's baudrate setting codes are different 2851da177e4SLinus Torvalds * - it has a two byte status code. 2861da177e4SLinus Torvalds * - it returns characters every 16ms (the FTDI does it every 40ms) 2871da177e4SLinus Torvalds * 2881da177e4SLinus Torvalds * the bcdDevice value is used to differentiate FT232BM and FT245BM from 2891da177e4SLinus Torvalds * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID 2901da177e4SLinus Torvalds * combinations in both tables. 2911da177e4SLinus Torvalds * FIXME: perhaps bcdDevice can also identify 12MHz devices, but I don't know 2921da177e4SLinus Torvalds * if those ever went into mass production. [Ian Abbott] 2931da177e4SLinus Torvalds */ 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvalds static struct usb_device_id id_table_8U232AM [] = { 2971da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_IRTRANS_PID, 0, 0x3ff) }, 2981da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_PID, 0, 0x3ff) }, 2991da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_ALT_PID, 0, 0x3ff) }, 3001da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_RELAIS_PID, 0, 0x3ff) }, 3011da177e4SLinus Torvalds { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, 3021da177e4SLinus Torvalds { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, 3031da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID, 0, 0x3ff) }, 3041da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_632_PID, 0, 0x3ff) }, 3051da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_634_PID, 0, 0x3ff) }, 3061da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_547_PID, 0, 0x3ff) }, 3071da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_633_PID, 0, 0x3ff) }, 3081da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_631_PID, 0, 0x3ff) }, 3091da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_635_PID, 0, 0x3ff) }, 3101da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_640_PID, 0, 0x3ff) }, 3111da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_642_PID, 0, 0x3ff) }, 3121da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_VNHCPCUSB_D_PID, 0, 0x3ff) }, 3131da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_DSS20_PID, 0, 0x3ff) }, 3141da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2101_PID, 0, 0x3ff) }, 3151da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2102_PID, 0, 0x3ff) }, 3161da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2103_PID, 0, 0x3ff) }, 3171da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2104_PID, 0, 0x3ff) }, 3181da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2201_1_PID, 0, 0x3ff) }, 3191da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2201_2_PID, 0, 0x3ff) }, 3201da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2202_1_PID, 0, 0x3ff) }, 3211da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2202_2_PID, 0, 0x3ff) }, 3221da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2203_1_PID, 0, 0x3ff) }, 3231da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2203_2_PID, 0, 0x3ff) }, 3241da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_1_PID, 0, 0x3ff) }, 3251da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_2_PID, 0, 0x3ff) }, 3261da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_3_PID, 0, 0x3ff) }, 3271da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_4_PID, 0, 0x3ff) }, 3281da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_1_PID, 0, 0x3ff) }, 3291da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_2_PID, 0, 0x3ff) }, 3301da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_3_PID, 0, 0x3ff) }, 3311da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_4_PID, 0, 0x3ff) }, 3321da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_1_PID, 0, 0x3ff) }, 3331da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_2_PID, 0, 0x3ff) }, 3341da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_3_PID, 0, 0x3ff) }, 3351da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_4_PID, 0, 0x3ff) }, 3361da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_1_PID, 0, 0x3ff) }, 3371da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_2_PID, 0, 0x3ff) }, 3381da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_3_PID, 0, 0x3ff) }, 3391da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_4_PID, 0, 0x3ff) }, 3401da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_5_PID, 0, 0x3ff) }, 3411da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_6_PID, 0, 0x3ff) }, 3421da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_7_PID, 0, 0x3ff) }, 3431da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_8_PID, 0, 0x3ff) }, 3441da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_1_PID, 0, 0x3ff) }, 3451da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_2_PID, 0, 0x3ff) }, 3461da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_3_PID, 0, 0x3ff) }, 3471da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_4_PID, 0, 0x3ff) }, 3481da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_5_PID, 0, 0x3ff) }, 3491da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_6_PID, 0, 0x3ff) }, 3501da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_7_PID, 0, 0x3ff) }, 3511da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_8_PID, 0, 0x3ff) }, 3521da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_1_PID, 0, 0x3ff) }, 3531da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_2_PID, 0, 0x3ff) }, 3541da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_3_PID, 0, 0x3ff) }, 3551da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_4_PID, 0, 0x3ff) }, 3561da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_5_PID, 0, 0x3ff) }, 3571da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_6_PID, 0, 0x3ff) }, 3581da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_7_PID, 0, 0x3ff) }, 3591da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_8_PID, 0, 0x3ff) }, 3601da177e4SLinus Torvalds { USB_DEVICE_VER(IDTECH_VID, IDTECH_IDT1221U_PID, 0, 0x3ff) }, 3611da177e4SLinus Torvalds { USB_DEVICE_VER(OCT_VID, OCT_US101_PID, 0, 0x3ff) }, 3621da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_1, 0, 0x3ff) }, 3631da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_R2X0, 0, 0x3ff) }, 3641da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_3, 0, 0x3ff) }, 3651da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_4, 0, 0x3ff) }, 3661da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0, 0x3ff) }, 36747900743SIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0, 0x3ff) }, 3681da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, INSIDE_ACCESSO, 0, 0x3ff) }, 3691da177e4SLinus Torvalds { USB_DEVICE_VER(INTREPID_VID, INTREPID_VALUECAN_PID, 0, 0x3ff) }, 3701da177e4SLinus Torvalds { USB_DEVICE_VER(INTREPID_VID, INTREPID_NEOVI_PID, 0, 0x3ff) }, 3711da177e4SLinus Torvalds { USB_DEVICE_VER(FALCOM_VID, FALCOM_TWIST_PID, 0, 0x3ff) }, 3721da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_SUUNTO_SPORTS_PID, 0, 0x3ff) }, 3736f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_RM_CANVIEW_PID, 0, 0x3ff) }, 3741da177e4SLinus Torvalds { USB_DEVICE_VER(BANDB_VID, BANDB_USOTL4_PID, 0, 0x3ff) }, 3751da177e4SLinus Torvalds { USB_DEVICE_VER(BANDB_VID, BANDB_USTL4_PID, 0, 0x3ff) }, 3761da177e4SLinus Torvalds { USB_DEVICE_VER(BANDB_VID, BANDB_USO9ML2_PID, 0, 0x3ff) }, 3771da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, EVER_ECO_PRO_CDS, 0, 0x3ff) }, 3786f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_4N_GALAXY_DE_0_PID, 0, 0x3ff) }, 3796f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID, 0, 0x3ff) }, 3806f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID, 0, 0x3ff) }, 3811da177e4SLinus Torvalds { } /* Terminating entry */ 3821da177e4SLinus Torvalds }; 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds static struct usb_device_id id_table_FT232BM [] = { 3861da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_IRTRANS_PID, 0x400, 0xffff) }, 3871da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_PID, 0x400, 0xffff) }, 3881da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_ALT_PID, 0x400, 0xffff) }, 3891da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_RELAIS_PID, 0x400, 0xffff) }, 3901da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID, 0x400, 0xffff) }, 3911da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_632_PID, 0x400, 0xffff) }, 3921da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_634_PID, 0x400, 0xffff) }, 3931da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_547_PID, 0x400, 0xffff) }, 3941da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_633_PID, 0x400, 0xffff) }, 3951da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_631_PID, 0x400, 0xffff) }, 3961da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_635_PID, 0x400, 0xffff) }, 3971da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_640_PID, 0x400, 0xffff) }, 3981da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_XF_642_PID, 0x400, 0xffff) }, 3991da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_VNHCPCUSB_D_PID, 0x400, 0xffff) }, 4001da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_DSS20_PID, 0x400, 0xffff) }, 4011da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_0_PID, 0x400, 0xffff) }, 4021da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_1_PID, 0x400, 0xffff) }, 4031da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_2_PID, 0x400, 0xffff) }, 4041da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_3_PID, 0x400, 0xffff) }, 4051da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_4_PID, 0x400, 0xffff) }, 4061da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_5_PID, 0x400, 0xffff) }, 4071da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_6_PID, 0x400, 0xffff) }, 4081da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID, 0x400, 0xffff) }, 4091da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_PIEGROUP_PID, 0x400, 0xffff) }, 4101da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2101_PID, 0x400, 0xffff) }, 4111da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2102_PID, 0x400, 0xffff) }, 4121da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2103_PID, 0x400, 0xffff) }, 4131da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2104_PID, 0x400, 0xffff) }, 4141da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2201_1_PID, 0x400, 0xffff) }, 4151da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2201_2_PID, 0x400, 0xffff) }, 4161da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2202_1_PID, 0x400, 0xffff) }, 4171da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2202_2_PID, 0x400, 0xffff) }, 4181da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2203_1_PID, 0x400, 0xffff) }, 4191da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2203_2_PID, 0x400, 0xffff) }, 4201da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_1_PID, 0x400, 0xffff) }, 4211da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_2_PID, 0x400, 0xffff) }, 4221da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_3_PID, 0x400, 0xffff) }, 4231da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2401_4_PID, 0x400, 0xffff) }, 4241da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_1_PID, 0x400, 0xffff) }, 4251da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_2_PID, 0x400, 0xffff) }, 4261da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_3_PID, 0x400, 0xffff) }, 4271da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2402_4_PID, 0x400, 0xffff) }, 4281da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_1_PID, 0x400, 0xffff) }, 4291da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_2_PID, 0x400, 0xffff) }, 4301da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_3_PID, 0x400, 0xffff) }, 4311da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2403_4_PID, 0x400, 0xffff) }, 4321da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_1_PID, 0x400, 0xffff) }, 4331da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_2_PID, 0x400, 0xffff) }, 4341da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_3_PID, 0x400, 0xffff) }, 4351da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_4_PID, 0x400, 0xffff) }, 4361da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_5_PID, 0x400, 0xffff) }, 4371da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_6_PID, 0x400, 0xffff) }, 4381da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_7_PID, 0x400, 0xffff) }, 4391da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2801_8_PID, 0x400, 0xffff) }, 4401da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_1_PID, 0x400, 0xffff) }, 4411da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_2_PID, 0x400, 0xffff) }, 4421da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_3_PID, 0x400, 0xffff) }, 4431da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_4_PID, 0x400, 0xffff) }, 4441da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_5_PID, 0x400, 0xffff) }, 4451da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_6_PID, 0x400, 0xffff) }, 4461da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_7_PID, 0x400, 0xffff) }, 4471da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2802_8_PID, 0x400, 0xffff) }, 4481da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_1_PID, 0x400, 0xffff) }, 4491da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_2_PID, 0x400, 0xffff) }, 4501da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_3_PID, 0x400, 0xffff) }, 4511da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_4_PID, 0x400, 0xffff) }, 4521da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_5_PID, 0x400, 0xffff) }, 4531da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_6_PID, 0x400, 0xffff) }, 4541da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_7_PID, 0x400, 0xffff) }, 4551da177e4SLinus Torvalds { USB_DEVICE_VER(SEALEVEL_VID, SEALEVEL_2803_8_PID, 0x400, 0xffff) }, 4561da177e4SLinus Torvalds { USB_DEVICE_VER(IDTECH_VID, IDTECH_IDT1221U_PID, 0x400, 0xffff) }, 4571da177e4SLinus Torvalds { USB_DEVICE_VER(OCT_VID, OCT_US101_PID, 0x400, 0xffff) }, 4581da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_1, 0x400, 0xffff) }, 4591da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_R2X0, 0x400, 0xffff) }, 4601da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_3, 0x400, 0xffff) }, 4611da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_4, 0x400, 0xffff) }, 4621da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E808_PID, 0x400, 0xffff) }, 4631da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E809_PID, 0x400, 0xffff) }, 4641da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80A_PID, 0x400, 0xffff) }, 4651da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80B_PID, 0x400, 0xffff) }, 4661da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80C_PID, 0x400, 0xffff) }, 4671da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80D_PID, 0x400, 0xffff) }, 4681da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80E_PID, 0x400, 0xffff) }, 4691da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80F_PID, 0x400, 0xffff) }, 4701da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E888_PID, 0x400, 0xffff) }, 4711da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E889_PID, 0x400, 0xffff) }, 4721da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88A_PID, 0x400, 0xffff) }, 4731da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88B_PID, 0x400, 0xffff) }, 4741da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88C_PID, 0x400, 0xffff) }, 4751da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88D_PID, 0x400, 0xffff) }, 4761da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) }, 4771da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) }, 4781da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0x400, 0xffff) }, 47947900743SIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0x400, 0xffff) }, 4801da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) }, 4811da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) }, 4821da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) }, 4831da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_1_PID, 0x400, 0xffff) }, 4841da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_2_PID, 0x400, 0xffff) }, 4851da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) }, 4861da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) }, 4871da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, INSIDE_ACCESSO, 0x400, 0xffff) }, 4881da177e4SLinus Torvalds { USB_DEVICE_VER(INTREPID_VID, INTREPID_VALUECAN_PID, 0x400, 0xffff) }, 4891da177e4SLinus Torvalds { USB_DEVICE_VER(INTREPID_VID, INTREPID_NEOVI_PID, 0x400, 0xffff) }, 4901da177e4SLinus Torvalds { USB_DEVICE_VER(FALCOM_VID, FALCOM_TWIST_PID, 0x400, 0xffff) }, 4911da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_SUUNTO_SPORTS_PID, 0x400, 0xffff) }, 4926f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_RM_CANVIEW_PID, 0x400, 0xffff) }, 4931da177e4SLinus Torvalds { USB_DEVICE_VER(BANDB_VID, BANDB_USOTL4_PID, 0x400, 0xffff) }, 4941da177e4SLinus Torvalds { USB_DEVICE_VER(BANDB_VID, BANDB_USTL4_PID, 0x400, 0xffff) }, 4951da177e4SLinus Torvalds { USB_DEVICE_VER(BANDB_VID, BANDB_USO9ML2_PID, 0x400, 0xffff) }, 4961da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, EVER_ECO_PRO_CDS, 0x400, 0xffff) }, 4976f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_4N_GALAXY_DE_0_PID, 0x400, 0xffff) }, 4986f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID, 0x400, 0xffff) }, 4996f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID, 0x400, 0xffff) }, 5006f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID, 0x400, 0xffff) }, 5011da177e4SLinus Torvalds { } /* Terminating entry */ 5021da177e4SLinus Torvalds }; 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds static struct usb_device_id id_table_USB_UIRT [] = { 5061da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID) }, 5071da177e4SLinus Torvalds { } /* Terminating entry */ 5081da177e4SLinus Torvalds }; 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds static struct usb_device_id id_table_HE_TIRA1 [] = { 5121da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_HE_TIRA1_PID, 0x400, 0xffff) }, 5131da177e4SLinus Torvalds { } /* Terminating entry */ 5141da177e4SLinus Torvalds }; 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvalds 5171da177e4SLinus Torvalds static struct usb_device_id id_table_FT2232C[] = { 5181da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, 5191da177e4SLinus Torvalds { } /* Terminating entry */ 5201da177e4SLinus Torvalds }; 5211da177e4SLinus Torvalds 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds static struct usb_device_id id_table_combined [] = { 5241da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) }, 5251da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) }, 5261da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) }, 5271da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) }, 5281da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, 5291da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, 5301da177e4SLinus Torvalds { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, 5311da177e4SLinus Torvalds { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, 5321da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, 5331da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, 5341da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) }, 5351da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) }, 5361da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) }, 5371da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) }, 5381da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) }, 5391da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) }, 5401da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) }, 5411da177e4SLinus Torvalds { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) }, 5421da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) }, 5431da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_0_PID, 0x400, 0xffff) }, 5441da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_1_PID, 0x400, 0xffff) }, 5451da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_2_PID, 0x400, 0xffff) }, 5461da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_3_PID, 0x400, 0xffff) }, 5471da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_4_PID, 0x400, 0xffff) }, 5481da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_5_PID, 0x400, 0xffff) }, 5491da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_MTXORB_6_PID, 0x400, 0xffff) }, 5501da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID, 0x400, 0xffff) }, 5511da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) }, 5521da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) }, 5531da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) }, 5541da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) }, 5551da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) }, 5561da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) }, 5571da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) }, 5581da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) }, 5591da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) }, 5601da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) }, 5611da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) }, 5621da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) }, 5631da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) }, 5641da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) }, 5651da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) }, 5661da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) }, 5671da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) }, 5681da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) }, 5691da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) }, 5701da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) }, 5711da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) }, 5721da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) }, 5731da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) }, 5741da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) }, 5751da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) }, 5761da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) }, 5771da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) }, 5781da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) }, 5791da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) }, 5801da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) }, 5811da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) }, 5821da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) }, 5831da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) }, 5841da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) }, 5851da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) }, 5861da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) }, 5871da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) }, 5881da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) }, 5891da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) }, 5901da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) }, 5911da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) }, 5921da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) }, 5931da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) }, 5941da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) }, 5951da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) }, 5961da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) }, 5971da177e4SLinus Torvalds { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) }, 5981da177e4SLinus Torvalds { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) }, 5991da177e4SLinus Torvalds { USB_DEVICE(OCT_VID, OCT_US101_PID) }, 6001da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, FTDI_HE_TIRA1_PID, 0x400, 0xffff) }, 6011da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID) }, 6021da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) }, 6031da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) }, 6041da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) }, 6051da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) }, 6066f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E808_PID, 0x400, 0xffff) }, 6076f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E809_PID, 0x400, 0xffff) }, 6086f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80A_PID, 0x400, 0xffff) }, 6096f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80B_PID, 0x400, 0xffff) }, 6106f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80C_PID, 0x400, 0xffff) }, 6116f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80D_PID, 0x400, 0xffff) }, 6126f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80E_PID, 0x400, 0xffff) }, 6136f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E80F_PID, 0x400, 0xffff) }, 6146f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E888_PID, 0x400, 0xffff) }, 6156f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E889_PID, 0x400, 0xffff) }, 6166f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88A_PID, 0x400, 0xffff) }, 6176f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88B_PID, 0x400, 0xffff) }, 6186f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88C_PID, 0x400, 0xffff) }, 6196f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88D_PID, 0x400, 0xffff) }, 6206f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) }, 6216f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) }, 6221da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) }, 62347900743SIan Abbott { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) }, 6241da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) }, 6251da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) }, 6261da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) }, 6271da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_1_PID, 0x400, 0xffff) }, 6281da177e4SLinus Torvalds { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_2_PID, 0x400, 0xffff) }, 6291da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) }, 6301da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) }, 6311da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) }, 6321da177e4SLinus Torvalds { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) }, 6331da177e4SLinus Torvalds { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) }, 6341da177e4SLinus Torvalds { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) }, 6351da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) }, 6366f92872cSIan Abbott { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) }, 6371da177e4SLinus Torvalds { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) }, 6381da177e4SLinus Torvalds { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) }, 6391da177e4SLinus Torvalds { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) }, 6401da177e4SLinus Torvalds { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) }, 6416f92872cSIan Abbott { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_0_PID) }, 6426f92872cSIan Abbott { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) }, 6436f92872cSIan Abbott { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) }, 6446f92872cSIan Abbott { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, 6456f92872cSIan Abbott { USB_DEVICE_VER(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID, 0x400, 0xffff) }, 6461da177e4SLinus Torvalds { } /* Terminating entry */ 6471da177e4SLinus Torvalds }; 6481da177e4SLinus Torvalds 6491da177e4SLinus Torvalds MODULE_DEVICE_TABLE (usb, id_table_combined); 6501da177e4SLinus Torvalds 6511da177e4SLinus Torvalds static struct usb_driver ftdi_driver = { 6521da177e4SLinus Torvalds .name = "ftdi_sio", 6531da177e4SLinus Torvalds .probe = usb_serial_probe, 6541da177e4SLinus Torvalds .disconnect = usb_serial_disconnect, 6551da177e4SLinus Torvalds .id_table = id_table_combined, 6561da177e4SLinus Torvalds }; 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvalds static char *ftdi_chip_name[] = { 6591da177e4SLinus Torvalds [SIO] = "SIO", /* the serial part of FT8U100AX */ 6601da177e4SLinus Torvalds [FT8U232AM] = "FT8U232AM", 6611da177e4SLinus Torvalds [FT232BM] = "FT232BM", 6621da177e4SLinus Torvalds [FT2232C] = "FT2232C", 6631da177e4SLinus Torvalds }; 6641da177e4SLinus Torvalds 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds /* Constants for read urb and write urb */ 6671da177e4SLinus Torvalds #define BUFSZ 512 6681da177e4SLinus Torvalds #define PKTSZ 64 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvalds /* rx_flags */ 6711da177e4SLinus Torvalds #define THROTTLED 0x01 6721da177e4SLinus Torvalds #define ACTUALLY_THROTTLED 0x02 6731da177e4SLinus Torvalds 6741da177e4SLinus Torvalds struct ftdi_private { 6751da177e4SLinus Torvalds ftdi_chip_type_t chip_type; 6761da177e4SLinus Torvalds /* type of the device, either SIO or FT8U232AM */ 6771da177e4SLinus Torvalds int baud_base; /* baud base clock for divisor setting */ 6781da177e4SLinus Torvalds int custom_divisor; /* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */ 6791da177e4SLinus Torvalds __u16 last_set_data_urb_value ; 6801da177e4SLinus Torvalds /* the last data state set - needed for doing a break */ 6811da177e4SLinus Torvalds int write_offset; /* This is the offset in the usb data block to write the serial data - 6821da177e4SLinus Torvalds * it is different between devices 6831da177e4SLinus Torvalds */ 6841da177e4SLinus Torvalds int flags; /* some ASYNC_xxxx flags are supported */ 6851da177e4SLinus Torvalds unsigned long last_dtr_rts; /* saved modem control outputs */ 6861da177e4SLinus Torvalds wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ 6871da177e4SLinus Torvalds char prev_status, diff_status; /* Used for TIOCMIWAIT */ 6881da177e4SLinus Torvalds __u8 rx_flags; /* receive state flags (throttling) */ 6891da177e4SLinus Torvalds spinlock_t rx_lock; /* spinlock for receive state */ 69076854ceaSIan Abbott struct work_struct rx_work; 69176854ceaSIan Abbott int rx_processed; 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds __u16 interface; /* FT2232C port interface (0 for FT232/245) */ 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvalds int force_baud; /* if non-zero, force the baud rate to this value */ 6961da177e4SLinus Torvalds int force_rtscts; /* if non-zero, force RTS-CTS to always be enabled */ 6971da177e4SLinus Torvalds }; 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvalds /* Used for TIOCMIWAIT */ 7001da177e4SLinus Torvalds #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD) 7011da177e4SLinus Torvalds #define FTDI_STATUS_B1_MASK (FTDI_RS_BI) 7021da177e4SLinus Torvalds /* End TIOCMIWAIT */ 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvalds #define FTDI_IMPL_ASYNC_FLAGS = ( ASYNC_SPD_HI | ASYNC_SPD_VHI \ 7051da177e4SLinus Torvalds ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP ) 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds /* function prototypes for a FTDI serial converter */ 7081da177e4SLinus Torvalds static int ftdi_SIO_startup (struct usb_serial *serial); 7091da177e4SLinus Torvalds static int ftdi_8U232AM_startup (struct usb_serial *serial); 7101da177e4SLinus Torvalds static int ftdi_FT232BM_startup (struct usb_serial *serial); 7111da177e4SLinus Torvalds static int ftdi_FT2232C_startup (struct usb_serial *serial); 7121da177e4SLinus Torvalds static int ftdi_USB_UIRT_startup (struct usb_serial *serial); 7131da177e4SLinus Torvalds static int ftdi_HE_TIRA1_startup (struct usb_serial *serial); 7141da177e4SLinus Torvalds static void ftdi_shutdown (struct usb_serial *serial); 7151da177e4SLinus Torvalds static int ftdi_open (struct usb_serial_port *port, struct file *filp); 7161da177e4SLinus Torvalds static void ftdi_close (struct usb_serial_port *port, struct file *filp); 7171da177e4SLinus Torvalds static int ftdi_write (struct usb_serial_port *port, const unsigned char *buf, int count); 7181da177e4SLinus Torvalds static int ftdi_write_room (struct usb_serial_port *port); 7191da177e4SLinus Torvalds static int ftdi_chars_in_buffer (struct usb_serial_port *port); 7201da177e4SLinus Torvalds static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs); 7211da177e4SLinus Torvalds static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs); 72276854ceaSIan Abbott static void ftdi_process_read (void *param); 7231da177e4SLinus Torvalds static void ftdi_set_termios (struct usb_serial_port *port, struct termios * old); 7241da177e4SLinus Torvalds static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file); 7251da177e4SLinus Torvalds static int ftdi_tiocmset (struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear); 7261da177e4SLinus Torvalds static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg); 7271da177e4SLinus Torvalds static void ftdi_break_ctl (struct usb_serial_port *port, int break_state ); 7281da177e4SLinus Torvalds static void ftdi_throttle (struct usb_serial_port *port); 7291da177e4SLinus Torvalds static void ftdi_unthrottle (struct usb_serial_port *port); 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds static unsigned short int ftdi_232am_baud_base_to_divisor (int baud, int base); 7321da177e4SLinus Torvalds static unsigned short int ftdi_232am_baud_to_divisor (int baud); 7331da177e4SLinus Torvalds static __u32 ftdi_232bm_baud_base_to_divisor (int baud, int base); 7341da177e4SLinus Torvalds static __u32 ftdi_232bm_baud_to_divisor (int baud); 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvalds static struct usb_serial_device_type ftdi_SIO_device = { 7371da177e4SLinus Torvalds .owner = THIS_MODULE, 7381da177e4SLinus Torvalds .name = "FTDI SIO", 7391da177e4SLinus Torvalds .id_table = id_table_sio, 7401da177e4SLinus Torvalds .num_interrupt_in = 0, 7411da177e4SLinus Torvalds .num_bulk_in = 1, 7421da177e4SLinus Torvalds .num_bulk_out = 1, 7431da177e4SLinus Torvalds .num_ports = 1, 7441da177e4SLinus Torvalds .open = ftdi_open, 7451da177e4SLinus Torvalds .close = ftdi_close, 7461da177e4SLinus Torvalds .throttle = ftdi_throttle, 7471da177e4SLinus Torvalds .unthrottle = ftdi_unthrottle, 7481da177e4SLinus Torvalds .write = ftdi_write, 7491da177e4SLinus Torvalds .write_room = ftdi_write_room, 7501da177e4SLinus Torvalds .chars_in_buffer = ftdi_chars_in_buffer, 7511da177e4SLinus Torvalds .read_bulk_callback = ftdi_read_bulk_callback, 7521da177e4SLinus Torvalds .write_bulk_callback = ftdi_write_bulk_callback, 7531da177e4SLinus Torvalds .tiocmget = ftdi_tiocmget, 7541da177e4SLinus Torvalds .tiocmset = ftdi_tiocmset, 7551da177e4SLinus Torvalds .ioctl = ftdi_ioctl, 7561da177e4SLinus Torvalds .set_termios = ftdi_set_termios, 7571da177e4SLinus Torvalds .break_ctl = ftdi_break_ctl, 7581da177e4SLinus Torvalds .attach = ftdi_SIO_startup, 7591da177e4SLinus Torvalds .shutdown = ftdi_shutdown, 7601da177e4SLinus Torvalds }; 7611da177e4SLinus Torvalds 7621da177e4SLinus Torvalds static struct usb_serial_device_type ftdi_8U232AM_device = { 7631da177e4SLinus Torvalds .owner = THIS_MODULE, 7641da177e4SLinus Torvalds .name = "FTDI 8U232AM Compatible", 7651da177e4SLinus Torvalds .id_table = id_table_8U232AM, 7661da177e4SLinus Torvalds .num_interrupt_in = 0, 7671da177e4SLinus Torvalds .num_bulk_in = 1, 7681da177e4SLinus Torvalds .num_bulk_out = 1, 7691da177e4SLinus Torvalds .num_ports = 1, 7701da177e4SLinus Torvalds .open = ftdi_open, 7711da177e4SLinus Torvalds .close = ftdi_close, 7721da177e4SLinus Torvalds .throttle = ftdi_throttle, 7731da177e4SLinus Torvalds .unthrottle = ftdi_unthrottle, 7741da177e4SLinus Torvalds .write = ftdi_write, 7751da177e4SLinus Torvalds .write_room = ftdi_write_room, 7761da177e4SLinus Torvalds .chars_in_buffer = ftdi_chars_in_buffer, 7771da177e4SLinus Torvalds .read_bulk_callback = ftdi_read_bulk_callback, 7781da177e4SLinus Torvalds .write_bulk_callback = ftdi_write_bulk_callback, 7791da177e4SLinus Torvalds .tiocmget = ftdi_tiocmget, 7801da177e4SLinus Torvalds .tiocmset = ftdi_tiocmset, 7811da177e4SLinus Torvalds .ioctl = ftdi_ioctl, 7821da177e4SLinus Torvalds .set_termios = ftdi_set_termios, 7831da177e4SLinus Torvalds .break_ctl = ftdi_break_ctl, 7841da177e4SLinus Torvalds .attach = ftdi_8U232AM_startup, 7851da177e4SLinus Torvalds .shutdown = ftdi_shutdown, 7861da177e4SLinus Torvalds }; 7871da177e4SLinus Torvalds 7881da177e4SLinus Torvalds static struct usb_serial_device_type ftdi_FT232BM_device = { 7891da177e4SLinus Torvalds .owner = THIS_MODULE, 7901da177e4SLinus Torvalds .name = "FTDI FT232BM Compatible", 7911da177e4SLinus Torvalds .id_table = id_table_FT232BM, 7921da177e4SLinus Torvalds .num_interrupt_in = 0, 7931da177e4SLinus Torvalds .num_bulk_in = 1, 7941da177e4SLinus Torvalds .num_bulk_out = 1, 7951da177e4SLinus Torvalds .num_ports = 1, 7961da177e4SLinus Torvalds .open = ftdi_open, 7971da177e4SLinus Torvalds .close = ftdi_close, 7981da177e4SLinus Torvalds .throttle = ftdi_throttle, 7991da177e4SLinus Torvalds .unthrottle = ftdi_unthrottle, 8001da177e4SLinus Torvalds .write = ftdi_write, 8011da177e4SLinus Torvalds .write_room = ftdi_write_room, 8021da177e4SLinus Torvalds .chars_in_buffer = ftdi_chars_in_buffer, 8031da177e4SLinus Torvalds .read_bulk_callback = ftdi_read_bulk_callback, 8041da177e4SLinus Torvalds .write_bulk_callback = ftdi_write_bulk_callback, 8051da177e4SLinus Torvalds .tiocmget = ftdi_tiocmget, 8061da177e4SLinus Torvalds .tiocmset = ftdi_tiocmset, 8071da177e4SLinus Torvalds .ioctl = ftdi_ioctl, 8081da177e4SLinus Torvalds .set_termios = ftdi_set_termios, 8091da177e4SLinus Torvalds .break_ctl = ftdi_break_ctl, 8101da177e4SLinus Torvalds .attach = ftdi_FT232BM_startup, 8111da177e4SLinus Torvalds .shutdown = ftdi_shutdown, 8121da177e4SLinus Torvalds }; 8131da177e4SLinus Torvalds 8141da177e4SLinus Torvalds static struct usb_serial_device_type ftdi_FT2232C_device = { 8151da177e4SLinus Torvalds .owner = THIS_MODULE, 8161da177e4SLinus Torvalds .name = "FTDI FT2232C Compatible", 8171da177e4SLinus Torvalds .id_table = id_table_FT2232C, 8181da177e4SLinus Torvalds .num_interrupt_in = 0, 8191da177e4SLinus Torvalds .num_bulk_in = 1, 8201da177e4SLinus Torvalds .num_bulk_out = 1, 8211da177e4SLinus Torvalds .num_ports = 1, 8221da177e4SLinus Torvalds .open = ftdi_open, 8231da177e4SLinus Torvalds .close = ftdi_close, 8241da177e4SLinus Torvalds .throttle = ftdi_throttle, 8251da177e4SLinus Torvalds .unthrottle = ftdi_unthrottle, 8261da177e4SLinus Torvalds .write = ftdi_write, 8271da177e4SLinus Torvalds .write_room = ftdi_write_room, 8281da177e4SLinus Torvalds .chars_in_buffer = ftdi_chars_in_buffer, 8291da177e4SLinus Torvalds .read_bulk_callback = ftdi_read_bulk_callback, 8301da177e4SLinus Torvalds .write_bulk_callback = ftdi_write_bulk_callback, 8311da177e4SLinus Torvalds .tiocmget = ftdi_tiocmget, 8321da177e4SLinus Torvalds .tiocmset = ftdi_tiocmset, 8331da177e4SLinus Torvalds .ioctl = ftdi_ioctl, 8341da177e4SLinus Torvalds .set_termios = ftdi_set_termios, 8351da177e4SLinus Torvalds .break_ctl = ftdi_break_ctl, 8361da177e4SLinus Torvalds .attach = ftdi_FT2232C_startup, 8371da177e4SLinus Torvalds .shutdown = ftdi_shutdown, 8381da177e4SLinus Torvalds }; 8391da177e4SLinus Torvalds 8401da177e4SLinus Torvalds static struct usb_serial_device_type ftdi_USB_UIRT_device = { 8411da177e4SLinus Torvalds .owner = THIS_MODULE, 8421da177e4SLinus Torvalds .name = "USB-UIRT Infrared Tranceiver", 8431da177e4SLinus Torvalds .id_table = id_table_USB_UIRT, 8441da177e4SLinus Torvalds .num_interrupt_in = 0, 8451da177e4SLinus Torvalds .num_bulk_in = 1, 8461da177e4SLinus Torvalds .num_bulk_out = 1, 8471da177e4SLinus Torvalds .num_ports = 1, 8481da177e4SLinus Torvalds .open = ftdi_open, 8491da177e4SLinus Torvalds .close = ftdi_close, 8501da177e4SLinus Torvalds .throttle = ftdi_throttle, 8511da177e4SLinus Torvalds .unthrottle = ftdi_unthrottle, 8521da177e4SLinus Torvalds .write = ftdi_write, 8531da177e4SLinus Torvalds .write_room = ftdi_write_room, 8541da177e4SLinus Torvalds .chars_in_buffer = ftdi_chars_in_buffer, 8551da177e4SLinus Torvalds .read_bulk_callback = ftdi_read_bulk_callback, 8561da177e4SLinus Torvalds .write_bulk_callback = ftdi_write_bulk_callback, 8571da177e4SLinus Torvalds .tiocmget = ftdi_tiocmget, 8581da177e4SLinus Torvalds .tiocmset = ftdi_tiocmset, 8591da177e4SLinus Torvalds .ioctl = ftdi_ioctl, 8601da177e4SLinus Torvalds .set_termios = ftdi_set_termios, 8611da177e4SLinus Torvalds .break_ctl = ftdi_break_ctl, 8621da177e4SLinus Torvalds .attach = ftdi_USB_UIRT_startup, 8631da177e4SLinus Torvalds .shutdown = ftdi_shutdown, 8641da177e4SLinus Torvalds }; 8651da177e4SLinus Torvalds 8661da177e4SLinus Torvalds /* The TIRA1 is based on a FT232BM which requires a fixed baud rate of 100000 8671da177e4SLinus Torvalds * and which requires RTS-CTS to be enabled. */ 8681da177e4SLinus Torvalds static struct usb_serial_device_type ftdi_HE_TIRA1_device = { 8691da177e4SLinus Torvalds .owner = THIS_MODULE, 8701da177e4SLinus Torvalds .name = "Home-Electronics TIRA-1 IR Transceiver", 8711da177e4SLinus Torvalds .id_table = id_table_HE_TIRA1, 8721da177e4SLinus Torvalds .num_interrupt_in = 0, 8731da177e4SLinus Torvalds .num_bulk_in = 1, 8741da177e4SLinus Torvalds .num_bulk_out = 1, 8751da177e4SLinus Torvalds .num_ports = 1, 8761da177e4SLinus Torvalds .open = ftdi_open, 8771da177e4SLinus Torvalds .close = ftdi_close, 8781da177e4SLinus Torvalds .throttle = ftdi_throttle, 8791da177e4SLinus Torvalds .unthrottle = ftdi_unthrottle, 8801da177e4SLinus Torvalds .write = ftdi_write, 8811da177e4SLinus Torvalds .write_room = ftdi_write_room, 8821da177e4SLinus Torvalds .chars_in_buffer = ftdi_chars_in_buffer, 8831da177e4SLinus Torvalds .read_bulk_callback = ftdi_read_bulk_callback, 8841da177e4SLinus Torvalds .write_bulk_callback = ftdi_write_bulk_callback, 8851da177e4SLinus Torvalds .tiocmget = ftdi_tiocmget, 8861da177e4SLinus Torvalds .tiocmset = ftdi_tiocmset, 8871da177e4SLinus Torvalds .ioctl = ftdi_ioctl, 8881da177e4SLinus Torvalds .set_termios = ftdi_set_termios, 8891da177e4SLinus Torvalds .break_ctl = ftdi_break_ctl, 8901da177e4SLinus Torvalds .attach = ftdi_HE_TIRA1_startup, 8911da177e4SLinus Torvalds .shutdown = ftdi_shutdown, 8921da177e4SLinus Torvalds }; 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvalds 8951da177e4SLinus Torvalds 8961da177e4SLinus Torvalds #define WDR_TIMEOUT 5000 /* default urb timeout */ 8971da177e4SLinus Torvalds 8981da177e4SLinus Torvalds /* High and low are for DTR, RTS etc etc */ 8991da177e4SLinus Torvalds #define HIGH 1 9001da177e4SLinus Torvalds #define LOW 0 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds /* 9031da177e4SLinus Torvalds * *************************************************************************** 9041da177e4SLinus Torvalds * Utlity functions 9051da177e4SLinus Torvalds * *************************************************************************** 9061da177e4SLinus Torvalds */ 9071da177e4SLinus Torvalds 9081da177e4SLinus Torvalds static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base) 9091da177e4SLinus Torvalds { 9101da177e4SLinus Torvalds unsigned short int divisor; 9111da177e4SLinus Torvalds int divisor3 = base / 2 / baud; // divisor shifted 3 bits to the left 9121da177e4SLinus Torvalds if ((divisor3 & 0x7) == 7) divisor3 ++; // round x.7/8 up to x+1 9131da177e4SLinus Torvalds divisor = divisor3 >> 3; 9141da177e4SLinus Torvalds divisor3 &= 0x7; 9151da177e4SLinus Torvalds if (divisor3 == 1) divisor |= 0xc000; else // 0.125 9161da177e4SLinus Torvalds if (divisor3 >= 4) divisor |= 0x4000; else // 0.5 9171da177e4SLinus Torvalds if (divisor3 != 0) divisor |= 0x8000; // 0.25 9181da177e4SLinus Torvalds if (divisor == 1) divisor = 0; /* special case for maximum baud rate */ 9191da177e4SLinus Torvalds return divisor; 9201da177e4SLinus Torvalds } 9211da177e4SLinus Torvalds 9221da177e4SLinus Torvalds static unsigned short int ftdi_232am_baud_to_divisor(int baud) 9231da177e4SLinus Torvalds { 9241da177e4SLinus Torvalds return(ftdi_232am_baud_base_to_divisor(baud, 48000000)); 9251da177e4SLinus Torvalds } 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvalds static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base) 9281da177e4SLinus Torvalds { 9291da177e4SLinus Torvalds static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; 9301da177e4SLinus Torvalds __u32 divisor; 9311da177e4SLinus Torvalds int divisor3 = base / 2 / baud; // divisor shifted 3 bits to the left 9321da177e4SLinus Torvalds divisor = divisor3 >> 3; 9331da177e4SLinus Torvalds divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; 9341da177e4SLinus Torvalds /* Deal with special cases for highest baud rates. */ 9351da177e4SLinus Torvalds if (divisor == 1) divisor = 0; else // 1.0 9361da177e4SLinus Torvalds if (divisor == 0x4001) divisor = 1; // 1.5 9371da177e4SLinus Torvalds return divisor; 9381da177e4SLinus Torvalds } 9391da177e4SLinus Torvalds 9401da177e4SLinus Torvalds static __u32 ftdi_232bm_baud_to_divisor(int baud) 9411da177e4SLinus Torvalds { 9421da177e4SLinus Torvalds return(ftdi_232bm_baud_base_to_divisor(baud, 48000000)); 9431da177e4SLinus Torvalds } 9441da177e4SLinus Torvalds 9451da177e4SLinus Torvalds static int set_rts(struct usb_serial_port *port, int high_or_low) 9461da177e4SLinus Torvalds { 9471da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 9481da177e4SLinus Torvalds char *buf; 9491da177e4SLinus Torvalds unsigned ftdi_high_or_low; 9501da177e4SLinus Torvalds int rv; 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvalds buf = kmalloc(1, GFP_NOIO); 9531da177e4SLinus Torvalds if (!buf) 9541da177e4SLinus Torvalds return -ENOMEM; 9551da177e4SLinus Torvalds 9561da177e4SLinus Torvalds if (high_or_low) { 9571da177e4SLinus Torvalds ftdi_high_or_low = FTDI_SIO_SET_RTS_HIGH; 9581da177e4SLinus Torvalds priv->last_dtr_rts |= TIOCM_RTS; 9591da177e4SLinus Torvalds } else { 9601da177e4SLinus Torvalds ftdi_high_or_low = FTDI_SIO_SET_RTS_LOW; 9611da177e4SLinus Torvalds priv->last_dtr_rts &= ~TIOCM_RTS; 9621da177e4SLinus Torvalds } 9631da177e4SLinus Torvalds rv = usb_control_msg(port->serial->dev, 9641da177e4SLinus Torvalds usb_sndctrlpipe(port->serial->dev, 0), 9651da177e4SLinus Torvalds FTDI_SIO_SET_MODEM_CTRL_REQUEST, 9661da177e4SLinus Torvalds FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, 9671da177e4SLinus Torvalds ftdi_high_or_low, priv->interface, 9681da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT); 9691da177e4SLinus Torvalds 9701da177e4SLinus Torvalds kfree(buf); 9711da177e4SLinus Torvalds return rv; 9721da177e4SLinus Torvalds } 9731da177e4SLinus Torvalds 9741da177e4SLinus Torvalds 9751da177e4SLinus Torvalds static int set_dtr(struct usb_serial_port *port, int high_or_low) 9761da177e4SLinus Torvalds { 9771da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 9781da177e4SLinus Torvalds char *buf; 9791da177e4SLinus Torvalds unsigned ftdi_high_or_low; 9801da177e4SLinus Torvalds int rv; 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvalds buf = kmalloc(1, GFP_NOIO); 9831da177e4SLinus Torvalds if (!buf) 9841da177e4SLinus Torvalds return -ENOMEM; 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvalds if (high_or_low) { 9871da177e4SLinus Torvalds ftdi_high_or_low = FTDI_SIO_SET_DTR_HIGH; 9881da177e4SLinus Torvalds priv->last_dtr_rts |= TIOCM_DTR; 9891da177e4SLinus Torvalds } else { 9901da177e4SLinus Torvalds ftdi_high_or_low = FTDI_SIO_SET_DTR_LOW; 9911da177e4SLinus Torvalds priv->last_dtr_rts &= ~TIOCM_DTR; 9921da177e4SLinus Torvalds } 9931da177e4SLinus Torvalds rv = usb_control_msg(port->serial->dev, 9941da177e4SLinus Torvalds usb_sndctrlpipe(port->serial->dev, 0), 9951da177e4SLinus Torvalds FTDI_SIO_SET_MODEM_CTRL_REQUEST, 9961da177e4SLinus Torvalds FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, 9971da177e4SLinus Torvalds ftdi_high_or_low, priv->interface, 9981da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT); 9991da177e4SLinus Torvalds 10001da177e4SLinus Torvalds kfree(buf); 10011da177e4SLinus Torvalds return rv; 10021da177e4SLinus Torvalds } 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvalds 10051da177e4SLinus Torvalds static __u32 get_ftdi_divisor(struct usb_serial_port * port); 10061da177e4SLinus Torvalds 10071da177e4SLinus Torvalds 10081da177e4SLinus Torvalds static int change_speed(struct usb_serial_port *port) 10091da177e4SLinus Torvalds { 10101da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 10111da177e4SLinus Torvalds char *buf; 10121da177e4SLinus Torvalds __u16 urb_value; 10131da177e4SLinus Torvalds __u16 urb_index; 10141da177e4SLinus Torvalds __u32 urb_index_value; 10151da177e4SLinus Torvalds int rv; 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvalds buf = kmalloc(1, GFP_NOIO); 10181da177e4SLinus Torvalds if (!buf) 10191da177e4SLinus Torvalds return -ENOMEM; 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds urb_index_value = get_ftdi_divisor(port); 10221da177e4SLinus Torvalds urb_value = (__u16)urb_index_value; 10231da177e4SLinus Torvalds urb_index = (__u16)(urb_index_value >> 16); 10241da177e4SLinus Torvalds if (priv->interface) { /* FT2232C */ 10251da177e4SLinus Torvalds urb_index = (__u16)((urb_index << 8) | priv->interface); 10261da177e4SLinus Torvalds } 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvalds rv = usb_control_msg(port->serial->dev, 10291da177e4SLinus Torvalds usb_sndctrlpipe(port->serial->dev, 0), 10301da177e4SLinus Torvalds FTDI_SIO_SET_BAUDRATE_REQUEST, 10311da177e4SLinus Torvalds FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, 10321da177e4SLinus Torvalds urb_value, urb_index, 10331da177e4SLinus Torvalds buf, 0, 100); 10341da177e4SLinus Torvalds 10351da177e4SLinus Torvalds kfree(buf); 10361da177e4SLinus Torvalds return rv; 10371da177e4SLinus Torvalds } 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvalds 10401da177e4SLinus Torvalds static __u32 get_ftdi_divisor(struct usb_serial_port * port) 10411da177e4SLinus Torvalds { /* get_ftdi_divisor */ 10421da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 10431da177e4SLinus Torvalds __u32 div_value = 0; 10441da177e4SLinus Torvalds int div_okay = 1; 10451da177e4SLinus Torvalds int baud; 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvalds /* 10481da177e4SLinus Torvalds * The logic involved in setting the baudrate can be cleanly split in 3 steps. 10491da177e4SLinus Torvalds * Obtaining the actual baud rate is a little tricky since unix traditionally 10501da177e4SLinus Torvalds * somehow ignored the possibility to set non-standard baud rates. 10511da177e4SLinus Torvalds * 1. Standard baud rates are set in tty->termios->c_cflag 10521da177e4SLinus Torvalds * 2. If these are not enough, you can set any speed using alt_speed as follows: 10531da177e4SLinus Torvalds * - set tty->termios->c_cflag speed to B38400 10541da177e4SLinus Torvalds * - set your real speed in tty->alt_speed; it gets ignored when 10551da177e4SLinus Torvalds * alt_speed==0, (or) 10561da177e4SLinus Torvalds * - call TIOCSSERIAL ioctl with (struct serial_struct) set as follows: 10571da177e4SLinus Torvalds * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP], this just 10581da177e4SLinus Torvalds * sets alt_speed to (HI: 57600, VHI: 115200, SHI: 230400, WARP: 460800) 10591da177e4SLinus Torvalds * ** Steps 1, 2 are done courtesy of tty_get_baud_rate 10601da177e4SLinus Torvalds * 3. You can also set baud rate by setting custom divisor as follows 10611da177e4SLinus Torvalds * - set tty->termios->c_cflag speed to B38400 10621da177e4SLinus Torvalds * - call TIOCSSERIAL ioctl with (struct serial_struct) set as follows: 10631da177e4SLinus Torvalds * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST 10641da177e4SLinus Torvalds * o custom_divisor set to baud_base / your_new_baudrate 10651da177e4SLinus Torvalds * ** Step 3 is done courtesy of code borrowed from serial.c - I should really 10661da177e4SLinus Torvalds * spend some time and separate+move this common code to serial.c, it is 10671da177e4SLinus Torvalds * replicated in nearly every serial driver you see. 10681da177e4SLinus Torvalds */ 10691da177e4SLinus Torvalds 10701da177e4SLinus Torvalds /* 1. Get the baud rate from the tty settings, this observes alt_speed hack */ 10711da177e4SLinus Torvalds 10721da177e4SLinus Torvalds baud = tty_get_baud_rate(port->tty); 10731da177e4SLinus Torvalds dbg("%s - tty_get_baud_rate reports speed %d", __FUNCTION__, baud); 10741da177e4SLinus Torvalds 10751da177e4SLinus Torvalds /* 2. Observe async-compatible custom_divisor hack, update baudrate if needed */ 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvalds if (baud == 38400 && 10781da177e4SLinus Torvalds ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && 10791da177e4SLinus Torvalds (priv->custom_divisor)) { 10801da177e4SLinus Torvalds baud = priv->baud_base / priv->custom_divisor; 10811da177e4SLinus Torvalds dbg("%s - custom divisor %d sets baud rate to %d", __FUNCTION__, priv->custom_divisor, baud); 10821da177e4SLinus Torvalds } 10831da177e4SLinus Torvalds 10841da177e4SLinus Torvalds /* 3. Convert baudrate to device-specific divisor */ 10851da177e4SLinus Torvalds 10861da177e4SLinus Torvalds if (!baud) baud = 9600; 10871da177e4SLinus Torvalds switch(priv->chip_type) { 10881da177e4SLinus Torvalds case SIO: /* SIO chip */ 10891da177e4SLinus Torvalds switch(baud) { 10901da177e4SLinus Torvalds case 300: div_value = ftdi_sio_b300; break; 10911da177e4SLinus Torvalds case 600: div_value = ftdi_sio_b600; break; 10921da177e4SLinus Torvalds case 1200: div_value = ftdi_sio_b1200; break; 10931da177e4SLinus Torvalds case 2400: div_value = ftdi_sio_b2400; break; 10941da177e4SLinus Torvalds case 4800: div_value = ftdi_sio_b4800; break; 10951da177e4SLinus Torvalds case 9600: div_value = ftdi_sio_b9600; break; 10961da177e4SLinus Torvalds case 19200: div_value = ftdi_sio_b19200; break; 10971da177e4SLinus Torvalds case 38400: div_value = ftdi_sio_b38400; break; 10981da177e4SLinus Torvalds case 57600: div_value = ftdi_sio_b57600; break; 10991da177e4SLinus Torvalds case 115200: div_value = ftdi_sio_b115200; break; 11001da177e4SLinus Torvalds } /* baud */ 11011da177e4SLinus Torvalds if (div_value == 0) { 11021da177e4SLinus Torvalds dbg("%s - Baudrate (%d) requested is not supported", __FUNCTION__, baud); 11031da177e4SLinus Torvalds div_value = ftdi_sio_b9600; 11041da177e4SLinus Torvalds div_okay = 0; 11051da177e4SLinus Torvalds } 11061da177e4SLinus Torvalds break; 11071da177e4SLinus Torvalds case FT8U232AM: /* 8U232AM chip */ 11081da177e4SLinus Torvalds if (baud <= 3000000) { 11091da177e4SLinus Torvalds div_value = ftdi_232am_baud_to_divisor(baud); 11101da177e4SLinus Torvalds } else { 11111da177e4SLinus Torvalds dbg("%s - Baud rate too high!", __FUNCTION__); 11121da177e4SLinus Torvalds div_value = ftdi_232am_baud_to_divisor(9600); 11131da177e4SLinus Torvalds div_okay = 0; 11141da177e4SLinus Torvalds } 11151da177e4SLinus Torvalds break; 11161da177e4SLinus Torvalds case FT232BM: /* FT232BM chip */ 11171da177e4SLinus Torvalds case FT2232C: /* FT2232C chip */ 11181da177e4SLinus Torvalds if (baud <= 3000000) { 11191da177e4SLinus Torvalds div_value = ftdi_232bm_baud_to_divisor(baud); 11201da177e4SLinus Torvalds } else { 11211da177e4SLinus Torvalds dbg("%s - Baud rate too high!", __FUNCTION__); 11221da177e4SLinus Torvalds div_value = ftdi_232bm_baud_to_divisor(9600); 11231da177e4SLinus Torvalds div_okay = 0; 11241da177e4SLinus Torvalds } 11251da177e4SLinus Torvalds break; 11261da177e4SLinus Torvalds } /* priv->chip_type */ 11271da177e4SLinus Torvalds 11281da177e4SLinus Torvalds if (div_okay) { 11291da177e4SLinus Torvalds dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s", 11301da177e4SLinus Torvalds __FUNCTION__, baud, (unsigned long)div_value, 11311da177e4SLinus Torvalds ftdi_chip_name[priv->chip_type]); 11321da177e4SLinus Torvalds } 11331da177e4SLinus Torvalds 11341da177e4SLinus Torvalds return(div_value); 11351da177e4SLinus Torvalds } 11361da177e4SLinus Torvalds 11371da177e4SLinus Torvalds 11381da177e4SLinus Torvalds static int get_serial_info(struct usb_serial_port * port, struct serial_struct __user * retinfo) 11391da177e4SLinus Torvalds { 11401da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 11411da177e4SLinus Torvalds struct serial_struct tmp; 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvalds if (!retinfo) 11441da177e4SLinus Torvalds return -EFAULT; 11451da177e4SLinus Torvalds memset(&tmp, 0, sizeof(tmp)); 11461da177e4SLinus Torvalds tmp.flags = priv->flags; 11471da177e4SLinus Torvalds tmp.baud_base = priv->baud_base; 11481da177e4SLinus Torvalds tmp.custom_divisor = priv->custom_divisor; 11491da177e4SLinus Torvalds if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) 11501da177e4SLinus Torvalds return -EFAULT; 11511da177e4SLinus Torvalds return 0; 11521da177e4SLinus Torvalds } /* get_serial_info */ 11531da177e4SLinus Torvalds 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvalds static int set_serial_info(struct usb_serial_port * port, struct serial_struct __user * newinfo) 11561da177e4SLinus Torvalds { /* set_serial_info */ 11571da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 11581da177e4SLinus Torvalds struct serial_struct new_serial; 11591da177e4SLinus Torvalds struct ftdi_private old_priv; 11601da177e4SLinus Torvalds 11611da177e4SLinus Torvalds if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) 11621da177e4SLinus Torvalds return -EFAULT; 11631da177e4SLinus Torvalds old_priv = * priv; 11641da177e4SLinus Torvalds 11651da177e4SLinus Torvalds /* Do error checking and permission checking */ 11661da177e4SLinus Torvalds 11671da177e4SLinus Torvalds if (!capable(CAP_SYS_ADMIN)) { 11681da177e4SLinus Torvalds if (((new_serial.flags & ~ASYNC_USR_MASK) != 11691da177e4SLinus Torvalds (priv->flags & ~ASYNC_USR_MASK))) 11701da177e4SLinus Torvalds return -EPERM; 11711da177e4SLinus Torvalds priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | 11721da177e4SLinus Torvalds (new_serial.flags & ASYNC_USR_MASK)); 11731da177e4SLinus Torvalds priv->custom_divisor = new_serial.custom_divisor; 11741da177e4SLinus Torvalds goto check_and_exit; 11751da177e4SLinus Torvalds } 11761da177e4SLinus Torvalds 11771da177e4SLinus Torvalds if ((new_serial.baud_base != priv->baud_base) && 11781da177e4SLinus Torvalds (new_serial.baud_base < 9600)) 11791da177e4SLinus Torvalds return -EINVAL; 11801da177e4SLinus Torvalds 11811da177e4SLinus Torvalds /* Make the changes - these are privileged changes! */ 11821da177e4SLinus Torvalds 11831da177e4SLinus Torvalds priv->flags = ((priv->flags & ~ASYNC_FLAGS) | 11841da177e4SLinus Torvalds (new_serial.flags & ASYNC_FLAGS)); 11851da177e4SLinus Torvalds priv->custom_divisor = new_serial.custom_divisor; 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvalds port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvalds check_and_exit: 11901da177e4SLinus Torvalds if ((old_priv.flags & ASYNC_SPD_MASK) != 11911da177e4SLinus Torvalds (priv->flags & ASYNC_SPD_MASK)) { 11921da177e4SLinus Torvalds if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) 11931da177e4SLinus Torvalds port->tty->alt_speed = 57600; 11941da177e4SLinus Torvalds else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) 11951da177e4SLinus Torvalds port->tty->alt_speed = 115200; 11961da177e4SLinus Torvalds else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) 11971da177e4SLinus Torvalds port->tty->alt_speed = 230400; 11981da177e4SLinus Torvalds else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) 11991da177e4SLinus Torvalds port->tty->alt_speed = 460800; 12001da177e4SLinus Torvalds else 12011da177e4SLinus Torvalds port->tty->alt_speed = 0; 12021da177e4SLinus Torvalds } 12031da177e4SLinus Torvalds if (((old_priv.flags & ASYNC_SPD_MASK) != 12041da177e4SLinus Torvalds (priv->flags & ASYNC_SPD_MASK)) || 12051da177e4SLinus Torvalds (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && 12061da177e4SLinus Torvalds (old_priv.custom_divisor != priv->custom_divisor))) { 12071da177e4SLinus Torvalds change_speed(port); 12081da177e4SLinus Torvalds } 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvalds return (0); 12111da177e4SLinus Torvalds 12121da177e4SLinus Torvalds } /* set_serial_info */ 12131da177e4SLinus Torvalds 12141da177e4SLinus Torvalds 12151da177e4SLinus Torvalds /* 12161da177e4SLinus Torvalds * *************************************************************************** 12171da177e4SLinus Torvalds * Sysfs Attribute 12181da177e4SLinus Torvalds * *************************************************************************** 12191da177e4SLinus Torvalds */ 12201da177e4SLinus Torvalds 1221*060b8845SYani Ioannou static ssize_t show_latency_timer(struct device *dev, struct device_attribute *attr, char *buf) 12221da177e4SLinus Torvalds { 12231da177e4SLinus Torvalds struct usb_serial_port *port = to_usb_serial_port(dev); 12241da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 12251da177e4SLinus Torvalds struct usb_device *udev; 12261da177e4SLinus Torvalds unsigned short latency = 0; 12271da177e4SLinus Torvalds int rv = 0; 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvalds udev = to_usb_device(dev); 12301da177e4SLinus Torvalds 12311da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 12321da177e4SLinus Torvalds 12331da177e4SLinus Torvalds rv = usb_control_msg(udev, 12341da177e4SLinus Torvalds usb_rcvctrlpipe(udev, 0), 12351da177e4SLinus Torvalds FTDI_SIO_GET_LATENCY_TIMER_REQUEST, 12361da177e4SLinus Torvalds FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 12371da177e4SLinus Torvalds 0, priv->interface, 12381da177e4SLinus Torvalds (char*) &latency, 1, WDR_TIMEOUT); 12391da177e4SLinus Torvalds 12401da177e4SLinus Torvalds if (rv < 0) { 12411da177e4SLinus Torvalds dev_err(dev, "Unable to read latency timer: %i", rv); 12421da177e4SLinus Torvalds return -EIO; 12431da177e4SLinus Torvalds } 12441da177e4SLinus Torvalds return sprintf(buf, "%i\n", latency); 12451da177e4SLinus Torvalds } 12461da177e4SLinus Torvalds 12471da177e4SLinus Torvalds /* Write a new value of the latency timer, in units of milliseconds. */ 1248*060b8845SYani Ioannou static ssize_t store_latency_timer(struct device *dev, struct device_attribute *attr, const char *valbuf, 12491da177e4SLinus Torvalds size_t count) 12501da177e4SLinus Torvalds { 12511da177e4SLinus Torvalds struct usb_serial_port *port = to_usb_serial_port(dev); 12521da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 12531da177e4SLinus Torvalds struct usb_device *udev; 12541da177e4SLinus Torvalds char buf[1]; 12551da177e4SLinus Torvalds int v = simple_strtoul(valbuf, NULL, 10); 12561da177e4SLinus Torvalds int rv = 0; 12571da177e4SLinus Torvalds 12581da177e4SLinus Torvalds udev = to_usb_device(dev); 12591da177e4SLinus Torvalds 12601da177e4SLinus Torvalds dbg("%s: setting latency timer = %i", __FUNCTION__, v); 12611da177e4SLinus Torvalds 12621da177e4SLinus Torvalds rv = usb_control_msg(udev, 12631da177e4SLinus Torvalds usb_sndctrlpipe(udev, 0), 12641da177e4SLinus Torvalds FTDI_SIO_SET_LATENCY_TIMER_REQUEST, 12651da177e4SLinus Torvalds FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, 12661da177e4SLinus Torvalds v, priv->interface, 12671da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT); 12681da177e4SLinus Torvalds 12691da177e4SLinus Torvalds if (rv < 0) { 12701da177e4SLinus Torvalds dev_err(dev, "Unable to write latency timer: %i", rv); 12711da177e4SLinus Torvalds return -EIO; 12721da177e4SLinus Torvalds } 12731da177e4SLinus Torvalds 12741da177e4SLinus Torvalds return count; 12751da177e4SLinus Torvalds } 12761da177e4SLinus Torvalds 12771da177e4SLinus Torvalds /* Write an event character directly to the FTDI register. The ASCII 12781da177e4SLinus Torvalds value is in the low 8 bits, with the enable bit in the 9th bit. */ 1279*060b8845SYani Ioannou static ssize_t store_event_char(struct device *dev, struct device_attribute *attr, const char *valbuf, 12801da177e4SLinus Torvalds size_t count) 12811da177e4SLinus Torvalds { 12821da177e4SLinus Torvalds struct usb_serial_port *port = to_usb_serial_port(dev); 12831da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 12841da177e4SLinus Torvalds struct usb_device *udev; 12851da177e4SLinus Torvalds char buf[1]; 12861da177e4SLinus Torvalds int v = simple_strtoul(valbuf, NULL, 10); 12871da177e4SLinus Torvalds int rv = 0; 12881da177e4SLinus Torvalds 12891da177e4SLinus Torvalds udev = to_usb_device(dev); 12901da177e4SLinus Torvalds 12911da177e4SLinus Torvalds dbg("%s: setting event char = %i", __FUNCTION__, v); 12921da177e4SLinus Torvalds 12931da177e4SLinus Torvalds rv = usb_control_msg(udev, 12941da177e4SLinus Torvalds usb_sndctrlpipe(udev, 0), 12951da177e4SLinus Torvalds FTDI_SIO_SET_EVENT_CHAR_REQUEST, 12961da177e4SLinus Torvalds FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE, 12971da177e4SLinus Torvalds v, priv->interface, 12981da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT); 12991da177e4SLinus Torvalds 13001da177e4SLinus Torvalds if (rv < 0) { 13011da177e4SLinus Torvalds dbg("Unable to write event character: %i", rv); 13021da177e4SLinus Torvalds return -EIO; 13031da177e4SLinus Torvalds } 13041da177e4SLinus Torvalds 13051da177e4SLinus Torvalds return count; 13061da177e4SLinus Torvalds } 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvalds static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, store_latency_timer); 13091da177e4SLinus Torvalds static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char); 13101da177e4SLinus Torvalds 13111da177e4SLinus Torvalds static void create_sysfs_attrs(struct usb_serial *serial) 13121da177e4SLinus Torvalds { 13131da177e4SLinus Torvalds struct ftdi_private *priv; 13141da177e4SLinus Torvalds struct usb_device *udev; 13151da177e4SLinus Torvalds 13161da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 13191da177e4SLinus Torvalds udev = serial->dev; 13201da177e4SLinus Torvalds 13211da177e4SLinus Torvalds /* XXX I've no idea if the original SIO supports the event_char 13221da177e4SLinus Torvalds * sysfs parameter, so I'm playing it safe. */ 13231da177e4SLinus Torvalds if (priv->chip_type != SIO) { 13241da177e4SLinus Torvalds dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]); 13251da177e4SLinus Torvalds device_create_file(&udev->dev, &dev_attr_event_char); 13261da177e4SLinus Torvalds if (priv->chip_type == FT232BM || priv->chip_type == FT2232C) { 13271da177e4SLinus Torvalds device_create_file(&udev->dev, &dev_attr_latency_timer); 13281da177e4SLinus Torvalds } 13291da177e4SLinus Torvalds } 13301da177e4SLinus Torvalds } 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvalds static void remove_sysfs_attrs(struct usb_serial *serial) 13331da177e4SLinus Torvalds { 13341da177e4SLinus Torvalds struct ftdi_private *priv; 13351da177e4SLinus Torvalds struct usb_device *udev; 13361da177e4SLinus Torvalds 13371da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 13401da177e4SLinus Torvalds udev = serial->dev; 13411da177e4SLinus Torvalds 13421da177e4SLinus Torvalds /* XXX see create_sysfs_attrs */ 13431da177e4SLinus Torvalds if (priv->chip_type != SIO) { 13441da177e4SLinus Torvalds device_remove_file(&udev->dev, &dev_attr_event_char); 13451da177e4SLinus Torvalds if (priv->chip_type == FT232BM || priv->chip_type == FT2232C) { 13461da177e4SLinus Torvalds device_remove_file(&udev->dev, &dev_attr_latency_timer); 13471da177e4SLinus Torvalds } 13481da177e4SLinus Torvalds } 13491da177e4SLinus Torvalds 13501da177e4SLinus Torvalds } 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvalds /* 13531da177e4SLinus Torvalds * *************************************************************************** 13541da177e4SLinus Torvalds * FTDI driver specific functions 13551da177e4SLinus Torvalds * *************************************************************************** 13561da177e4SLinus Torvalds */ 13571da177e4SLinus Torvalds 13581da177e4SLinus Torvalds /* Common startup subroutine */ 13591da177e4SLinus Torvalds /* Called from ftdi_SIO_startup, etc. */ 13601da177e4SLinus Torvalds static int ftdi_common_startup (struct usb_serial *serial) 13611da177e4SLinus Torvalds { 13621da177e4SLinus Torvalds struct usb_serial_port *port = serial->port[0]; 13631da177e4SLinus Torvalds struct ftdi_private *priv; 13641da177e4SLinus Torvalds 13651da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 13661da177e4SLinus Torvalds 13671da177e4SLinus Torvalds priv = kmalloc(sizeof(struct ftdi_private), GFP_KERNEL); 13681da177e4SLinus Torvalds if (!priv){ 13691da177e4SLinus Torvalds err("%s- kmalloc(%Zd) failed.", __FUNCTION__, sizeof(struct ftdi_private)); 13701da177e4SLinus Torvalds return -ENOMEM; 13711da177e4SLinus Torvalds } 13721da177e4SLinus Torvalds memset(priv, 0, sizeof(*priv)); 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvalds spin_lock_init(&priv->rx_lock); 13751da177e4SLinus Torvalds init_waitqueue_head(&priv->delta_msr_wait); 13761da177e4SLinus Torvalds /* This will push the characters through immediately rather 13771da177e4SLinus Torvalds than queue a task to deliver them */ 13781da177e4SLinus Torvalds priv->flags = ASYNC_LOW_LATENCY; 13791da177e4SLinus Torvalds 13801da177e4SLinus Torvalds /* Increase the size of read buffers */ 13811da177e4SLinus Torvalds kfree(port->bulk_in_buffer); 13821da177e4SLinus Torvalds port->bulk_in_buffer = kmalloc (BUFSZ, GFP_KERNEL); 13831da177e4SLinus Torvalds if (!port->bulk_in_buffer) { 13841da177e4SLinus Torvalds kfree (priv); 13851da177e4SLinus Torvalds return -ENOMEM; 13861da177e4SLinus Torvalds } 13871da177e4SLinus Torvalds if (port->read_urb) { 13881da177e4SLinus Torvalds port->read_urb->transfer_buffer = port->bulk_in_buffer; 13891da177e4SLinus Torvalds port->read_urb->transfer_buffer_length = BUFSZ; 13901da177e4SLinus Torvalds } 13911da177e4SLinus Torvalds 139276854ceaSIan Abbott INIT_WORK(&priv->rx_work, ftdi_process_read, port); 139376854ceaSIan Abbott 13941da177e4SLinus Torvalds /* Free port's existing write urb and transfer buffer. */ 13951da177e4SLinus Torvalds if (port->write_urb) { 13961da177e4SLinus Torvalds usb_free_urb (port->write_urb); 13971da177e4SLinus Torvalds port->write_urb = NULL; 13981da177e4SLinus Torvalds } 13991da177e4SLinus Torvalds kfree(port->bulk_out_buffer); 14001da177e4SLinus Torvalds port->bulk_out_buffer = NULL; 14011da177e4SLinus Torvalds 14021da177e4SLinus Torvalds usb_set_serial_port_data(serial->port[0], priv); 14031da177e4SLinus Torvalds 14041da177e4SLinus Torvalds return (0); 14051da177e4SLinus Torvalds } 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvalds /* Startup for the SIO chip */ 14091da177e4SLinus Torvalds /* Called from usbserial:serial_probe */ 14101da177e4SLinus Torvalds static int ftdi_SIO_startup (struct usb_serial *serial) 14111da177e4SLinus Torvalds { 14121da177e4SLinus Torvalds struct ftdi_private *priv; 14131da177e4SLinus Torvalds int err; 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 14161da177e4SLinus Torvalds 14171da177e4SLinus Torvalds err = ftdi_common_startup(serial); 14181da177e4SLinus Torvalds if (err){ 14191da177e4SLinus Torvalds return (err); 14201da177e4SLinus Torvalds } 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 14231da177e4SLinus Torvalds priv->chip_type = SIO; 14241da177e4SLinus Torvalds priv->baud_base = 12000000 / 16; 14251da177e4SLinus Torvalds priv->write_offset = 1; 14261da177e4SLinus Torvalds 14271da177e4SLinus Torvalds return (0); 14281da177e4SLinus Torvalds } 14291da177e4SLinus Torvalds 14301da177e4SLinus Torvalds /* Startup for the 8U232AM chip */ 14311da177e4SLinus Torvalds /* Called from usbserial:serial_probe */ 14321da177e4SLinus Torvalds static int ftdi_8U232AM_startup (struct usb_serial *serial) 14331da177e4SLinus Torvalds { /* ftdi_8U232AM_startup */ 14341da177e4SLinus Torvalds struct ftdi_private *priv; 14351da177e4SLinus Torvalds int err; 14361da177e4SLinus Torvalds 14371da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 14381da177e4SLinus Torvalds err = ftdi_common_startup(serial); 14391da177e4SLinus Torvalds if (err){ 14401da177e4SLinus Torvalds return (err); 14411da177e4SLinus Torvalds } 14421da177e4SLinus Torvalds 14431da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 14441da177e4SLinus Torvalds priv->chip_type = FT8U232AM; 14451da177e4SLinus Torvalds priv->baud_base = 48000000 / 2; /* Would be / 16, but FTDI supports 0.125, 0.25 and 0.5 divisor fractions! */ 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvalds create_sysfs_attrs(serial); 14481da177e4SLinus Torvalds 14491da177e4SLinus Torvalds return (0); 14501da177e4SLinus Torvalds } /* ftdi_8U232AM_startup */ 14511da177e4SLinus Torvalds 14521da177e4SLinus Torvalds /* Startup for the FT232BM chip */ 14531da177e4SLinus Torvalds /* Called from usbserial:serial_probe */ 14541da177e4SLinus Torvalds static int ftdi_FT232BM_startup (struct usb_serial *serial) 14551da177e4SLinus Torvalds { /* ftdi_FT232BM_startup */ 14561da177e4SLinus Torvalds struct ftdi_private *priv; 14571da177e4SLinus Torvalds int err; 14581da177e4SLinus Torvalds 14591da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 14601da177e4SLinus Torvalds err = ftdi_common_startup(serial); 14611da177e4SLinus Torvalds if (err){ 14621da177e4SLinus Torvalds return (err); 14631da177e4SLinus Torvalds } 14641da177e4SLinus Torvalds 14651da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 14661da177e4SLinus Torvalds priv->chip_type = FT232BM; 14671da177e4SLinus Torvalds priv->baud_base = 48000000 / 2; /* Would be / 16, but FT232BM supports multiple of 0.125 divisor fractions! */ 14681da177e4SLinus Torvalds 14691da177e4SLinus Torvalds create_sysfs_attrs(serial); 14701da177e4SLinus Torvalds 14711da177e4SLinus Torvalds return (0); 14721da177e4SLinus Torvalds } /* ftdi_FT232BM_startup */ 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvalds /* Startup for the FT2232C chip */ 14751da177e4SLinus Torvalds /* Called from usbserial:serial_probe */ 14761da177e4SLinus Torvalds static int ftdi_FT2232C_startup (struct usb_serial *serial) 14771da177e4SLinus Torvalds { /* ftdi_FT2232C_startup */ 14781da177e4SLinus Torvalds struct ftdi_private *priv; 14791da177e4SLinus Torvalds int err; 14801da177e4SLinus Torvalds int inter; 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 14831da177e4SLinus Torvalds err = ftdi_common_startup(serial); 14841da177e4SLinus Torvalds if (err){ 14851da177e4SLinus Torvalds return (err); 14861da177e4SLinus Torvalds } 14871da177e4SLinus Torvalds 14881da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 14891da177e4SLinus Torvalds priv->chip_type = FT2232C; 14901da177e4SLinus Torvalds inter = serial->interface->altsetting->desc.bInterfaceNumber; 14911da177e4SLinus Torvalds 14921da177e4SLinus Torvalds if (inter) { 14935e54f91dSIan Abbott priv->interface = PIT_SIOB; 14941da177e4SLinus Torvalds } 14951da177e4SLinus Torvalds else { 14965e54f91dSIan Abbott priv->interface = PIT_SIOA; 14971da177e4SLinus Torvalds } 14981da177e4SLinus Torvalds priv->baud_base = 48000000 / 2; /* Would be / 16, but FT2232C supports multiple of 0.125 divisor fractions! */ 14991da177e4SLinus Torvalds 15001da177e4SLinus Torvalds create_sysfs_attrs(serial); 15011da177e4SLinus Torvalds 15021da177e4SLinus Torvalds return (0); 15031da177e4SLinus Torvalds } /* ftdi_FT2232C_startup */ 15041da177e4SLinus Torvalds 15051da177e4SLinus Torvalds /* Startup for the USB-UIRT device, which requires hardwired baudrate (38400 gets mapped to 312500) */ 15061da177e4SLinus Torvalds /* Called from usbserial:serial_probe */ 15071da177e4SLinus Torvalds static int ftdi_USB_UIRT_startup (struct usb_serial *serial) 15081da177e4SLinus Torvalds { /* ftdi_USB_UIRT_startup */ 15091da177e4SLinus Torvalds struct ftdi_private *priv; 15101da177e4SLinus Torvalds int err; 15111da177e4SLinus Torvalds 15121da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 15131da177e4SLinus Torvalds err = ftdi_8U232AM_startup(serial); 15141da177e4SLinus Torvalds if (err){ 15151da177e4SLinus Torvalds return (err); 15161da177e4SLinus Torvalds } 15171da177e4SLinus Torvalds 15181da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 15191da177e4SLinus Torvalds priv->flags |= ASYNC_SPD_CUST; 15201da177e4SLinus Torvalds priv->custom_divisor = 77; 15211da177e4SLinus Torvalds priv->force_baud = B38400; 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvalds return (0); 15241da177e4SLinus Torvalds } /* ftdi_USB_UIRT_startup */ 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvalds /* Startup for the HE-TIRA1 device, which requires hardwired 15271da177e4SLinus Torvalds * baudrate (38400 gets mapped to 100000) */ 15281da177e4SLinus Torvalds static int ftdi_HE_TIRA1_startup (struct usb_serial *serial) 15291da177e4SLinus Torvalds { /* ftdi_HE_TIRA1_startup */ 15301da177e4SLinus Torvalds struct ftdi_private *priv; 15311da177e4SLinus Torvalds int err; 15321da177e4SLinus Torvalds 15331da177e4SLinus Torvalds dbg("%s",__FUNCTION__); 15341da177e4SLinus Torvalds err = ftdi_FT232BM_startup(serial); 15351da177e4SLinus Torvalds if (err){ 15361da177e4SLinus Torvalds return (err); 15371da177e4SLinus Torvalds } 15381da177e4SLinus Torvalds 15391da177e4SLinus Torvalds priv = usb_get_serial_port_data(serial->port[0]); 15401da177e4SLinus Torvalds priv->flags |= ASYNC_SPD_CUST; 15411da177e4SLinus Torvalds priv->custom_divisor = 240; 15421da177e4SLinus Torvalds priv->force_baud = B38400; 15431da177e4SLinus Torvalds priv->force_rtscts = 1; 15441da177e4SLinus Torvalds 15451da177e4SLinus Torvalds return (0); 15461da177e4SLinus Torvalds } /* ftdi_HE_TIRA1_startup */ 15471da177e4SLinus Torvalds 15481da177e4SLinus Torvalds 15491da177e4SLinus Torvalds /* ftdi_shutdown is called from usbserial:usb_serial_disconnect 15501da177e4SLinus Torvalds * it is called when the usb device is disconnected 15511da177e4SLinus Torvalds * 15521da177e4SLinus Torvalds * usbserial:usb_serial_disconnect 15531da177e4SLinus Torvalds * calls __serial_close for each open of the port 15541da177e4SLinus Torvalds * shutdown is called then (ie ftdi_shutdown) 15551da177e4SLinus Torvalds */ 15561da177e4SLinus Torvalds 15571da177e4SLinus Torvalds 15581da177e4SLinus Torvalds static void ftdi_shutdown (struct usb_serial *serial) 15591da177e4SLinus Torvalds { /* ftdi_shutdown */ 15601da177e4SLinus Torvalds 15611da177e4SLinus Torvalds struct usb_serial_port *port = serial->port[0]; 15621da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 15631da177e4SLinus Torvalds 15641da177e4SLinus Torvalds dbg("%s", __FUNCTION__); 15651da177e4SLinus Torvalds 15661da177e4SLinus Torvalds remove_sysfs_attrs(serial); 15671da177e4SLinus Torvalds 15681da177e4SLinus Torvalds /* all open ports are closed at this point 15691da177e4SLinus Torvalds * (by usbserial.c:__serial_close, which calls ftdi_close) 15701da177e4SLinus Torvalds */ 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvalds if (priv) { 15731da177e4SLinus Torvalds usb_set_serial_port_data(port, NULL); 15741da177e4SLinus Torvalds kfree(priv); 15751da177e4SLinus Torvalds } 15761da177e4SLinus Torvalds } /* ftdi_shutdown */ 15771da177e4SLinus Torvalds 15781da177e4SLinus Torvalds 15791da177e4SLinus Torvalds static int ftdi_open (struct usb_serial_port *port, struct file *filp) 15801da177e4SLinus Torvalds { /* ftdi_open */ 15811da177e4SLinus Torvalds struct termios tmp_termios; 15821da177e4SLinus Torvalds struct usb_device *dev = port->serial->dev; 15831da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 15841da177e4SLinus Torvalds unsigned long flags; 15851da177e4SLinus Torvalds 15861da177e4SLinus Torvalds int result = 0; 15871da177e4SLinus Torvalds char buf[1]; /* Needed for the usb_control_msg I think */ 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvalds dbg("%s", __FUNCTION__); 15901da177e4SLinus Torvalds 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvalds port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; 15931da177e4SLinus Torvalds 15941da177e4SLinus Torvalds /* No error checking for this (will get errors later anyway) */ 15951da177e4SLinus Torvalds /* See ftdi_sio.h for description of what is reset */ 15961da177e4SLinus Torvalds usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 15971da177e4SLinus Torvalds FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, 15981da177e4SLinus Torvalds FTDI_SIO_RESET_SIO, 15991da177e4SLinus Torvalds priv->interface, buf, 0, WDR_TIMEOUT); 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvalds /* Termios defaults are set by usb_serial_init. We don't change 16021da177e4SLinus Torvalds port->tty->termios - this would loose speed settings, etc. 16031da177e4SLinus Torvalds This is same behaviour as serial.c/rs_open() - Kuba */ 16041da177e4SLinus Torvalds 16051da177e4SLinus Torvalds /* ftdi_set_termios will send usb control messages */ 16061da177e4SLinus Torvalds ftdi_set_termios(port, &tmp_termios); 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvalds /* FIXME: Flow control might be enabled, so it should be checked - 16091da177e4SLinus Torvalds we have no control of defaults! */ 16101da177e4SLinus Torvalds /* Turn on RTS and DTR since we are not flow controlling by default */ 16111da177e4SLinus Torvalds if (set_dtr(port, HIGH) < 0) { 16121da177e4SLinus Torvalds err("%s Error from DTR HIGH urb", __FUNCTION__); 16131da177e4SLinus Torvalds } 16141da177e4SLinus Torvalds if (set_rts(port, HIGH) < 0){ 16151da177e4SLinus Torvalds err("%s Error from RTS HIGH urb", __FUNCTION__); 16161da177e4SLinus Torvalds } 16171da177e4SLinus Torvalds 16181da177e4SLinus Torvalds /* Not throttled */ 16191da177e4SLinus Torvalds spin_lock_irqsave(&priv->rx_lock, flags); 16201da177e4SLinus Torvalds priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); 16211da177e4SLinus Torvalds spin_unlock_irqrestore(&priv->rx_lock, flags); 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvalds /* Start reading from the device */ 162476854ceaSIan Abbott priv->rx_processed = 0; 16251da177e4SLinus Torvalds usb_fill_bulk_urb(port->read_urb, dev, 16261da177e4SLinus Torvalds usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress), 16271da177e4SLinus Torvalds port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length, 16281da177e4SLinus Torvalds ftdi_read_bulk_callback, port); 16291da177e4SLinus Torvalds result = usb_submit_urb(port->read_urb, GFP_KERNEL); 16301da177e4SLinus Torvalds if (result) 16311da177e4SLinus Torvalds err("%s - failed submitting read urb, error %d", __FUNCTION__, result); 16321da177e4SLinus Torvalds 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvalds return result; 16351da177e4SLinus Torvalds } /* ftdi_open */ 16361da177e4SLinus Torvalds 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvalds 16391da177e4SLinus Torvalds /* 16401da177e4SLinus Torvalds * usbserial:__serial_close only calls ftdi_close if the point is open 16411da177e4SLinus Torvalds * 16421da177e4SLinus Torvalds * This only gets called when it is the last close 16431da177e4SLinus Torvalds * 16441da177e4SLinus Torvalds * 16451da177e4SLinus Torvalds */ 16461da177e4SLinus Torvalds 16471da177e4SLinus Torvalds static void ftdi_close (struct usb_serial_port *port, struct file *filp) 16481da177e4SLinus Torvalds { /* ftdi_close */ 16491da177e4SLinus Torvalds unsigned int c_cflag = port->tty->termios->c_cflag; 16501da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 16511da177e4SLinus Torvalds char buf[1]; 16521da177e4SLinus Torvalds 16531da177e4SLinus Torvalds dbg("%s", __FUNCTION__); 16541da177e4SLinus Torvalds 16551da177e4SLinus Torvalds if (c_cflag & HUPCL){ 16561da177e4SLinus Torvalds /* Disable flow control */ 16571da177e4SLinus Torvalds if (usb_control_msg(port->serial->dev, 16581da177e4SLinus Torvalds usb_sndctrlpipe(port->serial->dev, 0), 16591da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST, 16601da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 16611da177e4SLinus Torvalds 0, priv->interface, buf, 0, 16621da177e4SLinus Torvalds WDR_TIMEOUT) < 0) { 16631da177e4SLinus Torvalds err("error from flowcontrol urb"); 16641da177e4SLinus Torvalds } 16651da177e4SLinus Torvalds 16661da177e4SLinus Torvalds /* drop DTR */ 16671da177e4SLinus Torvalds if (set_dtr(port, LOW) < 0){ 16681da177e4SLinus Torvalds err("Error from DTR LOW urb"); 16691da177e4SLinus Torvalds } 16701da177e4SLinus Torvalds /* drop RTS */ 16711da177e4SLinus Torvalds if (set_rts(port, LOW) < 0) { 16721da177e4SLinus Torvalds err("Error from RTS LOW urb"); 16731da177e4SLinus Torvalds } 16741da177e4SLinus Torvalds } /* Note change no line if hupcl is off */ 16751da177e4SLinus Torvalds 167676854ceaSIan Abbott /* cancel any scheduled reading */ 167776854ceaSIan Abbott cancel_delayed_work(&priv->rx_work); 167876854ceaSIan Abbott flush_scheduled_work(); 167976854ceaSIan Abbott 16801da177e4SLinus Torvalds /* shutdown our bulk read */ 16811da177e4SLinus Torvalds if (port->read_urb) 16821da177e4SLinus Torvalds usb_kill_urb(port->read_urb); 16831da177e4SLinus Torvalds } /* ftdi_close */ 16841da177e4SLinus Torvalds 16851da177e4SLinus Torvalds 16861da177e4SLinus Torvalds 16871da177e4SLinus Torvalds /* The SIO requires the first byte to have: 16881da177e4SLinus Torvalds * B0 1 16891da177e4SLinus Torvalds * B1 0 16901da177e4SLinus Torvalds * B2..7 length of message excluding byte 0 16911da177e4SLinus Torvalds * 16921da177e4SLinus Torvalds * The new devices do not require this byte 16931da177e4SLinus Torvalds */ 16941da177e4SLinus Torvalds static int ftdi_write (struct usb_serial_port *port, 16951da177e4SLinus Torvalds const unsigned char *buf, int count) 16961da177e4SLinus Torvalds { /* ftdi_write */ 16971da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 16981da177e4SLinus Torvalds struct urb *urb; 16991da177e4SLinus Torvalds unsigned char *buffer; 17001da177e4SLinus Torvalds int data_offset ; /* will be 1 for the SIO and 0 otherwise */ 17011da177e4SLinus Torvalds int status; 17021da177e4SLinus Torvalds int transfer_size; 17031da177e4SLinus Torvalds 17041da177e4SLinus Torvalds dbg("%s port %d, %d bytes", __FUNCTION__, port->number, count); 17051da177e4SLinus Torvalds 17061da177e4SLinus Torvalds if (count == 0) { 17071da177e4SLinus Torvalds dbg("write request of 0 bytes"); 17081da177e4SLinus Torvalds return 0; 17091da177e4SLinus Torvalds } 17101da177e4SLinus Torvalds 17111da177e4SLinus Torvalds data_offset = priv->write_offset; 17121da177e4SLinus Torvalds dbg("data_offset set to %d",data_offset); 17131da177e4SLinus Torvalds 17141da177e4SLinus Torvalds /* Determine total transfer size */ 17151da177e4SLinus Torvalds transfer_size = count; 17161da177e4SLinus Torvalds if (data_offset > 0) { 17171da177e4SLinus Torvalds /* Original sio needs control bytes too... */ 17181da177e4SLinus Torvalds transfer_size += (data_offset * 17191da177e4SLinus Torvalds ((count + (PKTSZ - 1 - data_offset)) / 17201da177e4SLinus Torvalds (PKTSZ - data_offset))); 17211da177e4SLinus Torvalds } 17221da177e4SLinus Torvalds 17231da177e4SLinus Torvalds buffer = kmalloc (transfer_size, GFP_ATOMIC); 17241da177e4SLinus Torvalds if (!buffer) { 17251da177e4SLinus Torvalds err("%s ran out of kernel memory for urb ...", __FUNCTION__); 17261da177e4SLinus Torvalds return -ENOMEM; 17271da177e4SLinus Torvalds } 17281da177e4SLinus Torvalds 17291da177e4SLinus Torvalds urb = usb_alloc_urb(0, GFP_ATOMIC); 17301da177e4SLinus Torvalds if (!urb) { 17311da177e4SLinus Torvalds err("%s - no more free urbs", __FUNCTION__); 17321da177e4SLinus Torvalds kfree (buffer); 17331da177e4SLinus Torvalds return -ENOMEM; 17341da177e4SLinus Torvalds } 17351da177e4SLinus Torvalds 17361da177e4SLinus Torvalds /* Copy data */ 17371da177e4SLinus Torvalds if (data_offset > 0) { 17381da177e4SLinus Torvalds /* Original sio requires control byte at start of each packet. */ 17391da177e4SLinus Torvalds int user_pktsz = PKTSZ - data_offset; 17401da177e4SLinus Torvalds int todo = count; 17411da177e4SLinus Torvalds unsigned char *first_byte = buffer; 17421da177e4SLinus Torvalds const unsigned char *current_position = buf; 17431da177e4SLinus Torvalds 17441da177e4SLinus Torvalds while (todo > 0) { 17451da177e4SLinus Torvalds if (user_pktsz > todo) { 17461da177e4SLinus Torvalds user_pktsz = todo; 17471da177e4SLinus Torvalds } 17481da177e4SLinus Torvalds /* Write the control byte at the front of the packet*/ 17491da177e4SLinus Torvalds *first_byte = 1 | ((user_pktsz) << 2); 17501da177e4SLinus Torvalds /* Copy data for packet */ 17511da177e4SLinus Torvalds memcpy (first_byte + data_offset, 17521da177e4SLinus Torvalds current_position, user_pktsz); 17531da177e4SLinus Torvalds first_byte += user_pktsz + data_offset; 17541da177e4SLinus Torvalds current_position += user_pktsz; 17551da177e4SLinus Torvalds todo -= user_pktsz; 17561da177e4SLinus Torvalds } 17571da177e4SLinus Torvalds } else { 17581da177e4SLinus Torvalds /* No control byte required. */ 17591da177e4SLinus Torvalds /* Copy in the data to send */ 17601da177e4SLinus Torvalds memcpy (buffer, buf, count); 17611da177e4SLinus Torvalds } 17621da177e4SLinus Torvalds 17631da177e4SLinus Torvalds usb_serial_debug_data(debug, &port->dev, __FUNCTION__, transfer_size, buffer); 17641da177e4SLinus Torvalds 17651da177e4SLinus Torvalds /* fill the buffer and send it */ 17661da177e4SLinus Torvalds usb_fill_bulk_urb(urb, port->serial->dev, 17671da177e4SLinus Torvalds usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress), 17681da177e4SLinus Torvalds buffer, transfer_size, 17691da177e4SLinus Torvalds ftdi_write_bulk_callback, port); 17701da177e4SLinus Torvalds 17711da177e4SLinus Torvalds status = usb_submit_urb(urb, GFP_ATOMIC); 17721da177e4SLinus Torvalds if (status) { 17731da177e4SLinus Torvalds err("%s - failed submitting write urb, error %d", __FUNCTION__, status); 17741da177e4SLinus Torvalds count = status; 17751da177e4SLinus Torvalds kfree (buffer); 17761da177e4SLinus Torvalds } 17771da177e4SLinus Torvalds 17781da177e4SLinus Torvalds /* we are done with this urb, so let the host driver 17791da177e4SLinus Torvalds * really free it when it is finished with it */ 17801da177e4SLinus Torvalds usb_free_urb (urb); 17811da177e4SLinus Torvalds 17821da177e4SLinus Torvalds dbg("%s write returning: %d", __FUNCTION__, count); 17831da177e4SLinus Torvalds return count; 17841da177e4SLinus Torvalds } /* ftdi_write */ 17851da177e4SLinus Torvalds 17861da177e4SLinus Torvalds 17871da177e4SLinus Torvalds /* This function may get called when the device is closed */ 17881da177e4SLinus Torvalds 17891da177e4SLinus Torvalds static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs) 17901da177e4SLinus Torvalds { 17911da177e4SLinus Torvalds struct usb_serial_port *port = (struct usb_serial_port *)urb->context; 17921da177e4SLinus Torvalds 17931da177e4SLinus Torvalds /* free up the transfer buffer, as usb_free_urb() does not do this */ 17941da177e4SLinus Torvalds kfree (urb->transfer_buffer); 17951da177e4SLinus Torvalds 17961da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 17971da177e4SLinus Torvalds 17981da177e4SLinus Torvalds if (urb->status) { 17991da177e4SLinus Torvalds dbg("nonzero write bulk status received: %d", urb->status); 18001da177e4SLinus Torvalds return; 18011da177e4SLinus Torvalds } 18021da177e4SLinus Torvalds 18031da177e4SLinus Torvalds schedule_work(&port->work); 18041da177e4SLinus Torvalds } /* ftdi_write_bulk_callback */ 18051da177e4SLinus Torvalds 18061da177e4SLinus Torvalds 18071da177e4SLinus Torvalds static int ftdi_write_room( struct usb_serial_port *port ) 18081da177e4SLinus Torvalds { 18091da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 18101da177e4SLinus Torvalds 18111da177e4SLinus Torvalds /* 18121da177e4SLinus Torvalds * We really can take anything the user throws at us 18131da177e4SLinus Torvalds * but let's pick a nice big number to tell the tty 18141da177e4SLinus Torvalds * layer that we have lots of free space 18151da177e4SLinus Torvalds */ 18161da177e4SLinus Torvalds return 2048; 18171da177e4SLinus Torvalds } /* ftdi_write_room */ 18181da177e4SLinus Torvalds 18191da177e4SLinus Torvalds 18201da177e4SLinus Torvalds static int ftdi_chars_in_buffer (struct usb_serial_port *port) 18211da177e4SLinus Torvalds { /* ftdi_chars_in_buffer */ 18221da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 18231da177e4SLinus Torvalds 18241da177e4SLinus Torvalds /* 18251da177e4SLinus Torvalds * We can't really account for how much data we 18261da177e4SLinus Torvalds * have sent out, but hasn't made it through to the 18271da177e4SLinus Torvalds * device, so just tell the tty layer that everything 18281da177e4SLinus Torvalds * is flushed. 18291da177e4SLinus Torvalds */ 18301da177e4SLinus Torvalds return 0; 18311da177e4SLinus Torvalds } /* ftdi_chars_in_buffer */ 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvalds 18341da177e4SLinus Torvalds 18351da177e4SLinus Torvalds static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs) 18361da177e4SLinus Torvalds { /* ftdi_read_bulk_callback */ 18371da177e4SLinus Torvalds struct usb_serial_port *port = (struct usb_serial_port *)urb->context; 18381da177e4SLinus Torvalds struct tty_struct *tty; 18391da177e4SLinus Torvalds struct ftdi_private *priv; 18401da177e4SLinus Torvalds 18411da177e4SLinus Torvalds if (urb->number_of_packets > 0) { 18421da177e4SLinus Torvalds err("%s transfer_buffer_length %d actual_length %d number of packets %d",__FUNCTION__, 18431da177e4SLinus Torvalds urb->transfer_buffer_length, urb->actual_length, urb->number_of_packets ); 18441da177e4SLinus Torvalds err("%s transfer_flags %x ", __FUNCTION__,urb->transfer_flags ); 18451da177e4SLinus Torvalds } 18461da177e4SLinus Torvalds 18471da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 18481da177e4SLinus Torvalds 18491da177e4SLinus Torvalds if (port->open_count <= 0) 18501da177e4SLinus Torvalds return; 18511da177e4SLinus Torvalds 18521da177e4SLinus Torvalds tty = port->tty; 18531da177e4SLinus Torvalds if (!tty) { 18541da177e4SLinus Torvalds dbg("%s - bad tty pointer - exiting",__FUNCTION__); 18551da177e4SLinus Torvalds return; 18561da177e4SLinus Torvalds } 18571da177e4SLinus Torvalds 18581da177e4SLinus Torvalds priv = usb_get_serial_port_data(port); 18591da177e4SLinus Torvalds if (!priv) { 18601da177e4SLinus Torvalds dbg("%s - bad port private data pointer - exiting", __FUNCTION__); 18611da177e4SLinus Torvalds return; 18621da177e4SLinus Torvalds } 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvalds if (urb != port->read_urb) { 18651da177e4SLinus Torvalds err("%s - Not my urb!", __FUNCTION__); 18661da177e4SLinus Torvalds } 18671da177e4SLinus Torvalds 18681da177e4SLinus Torvalds if (urb->status) { 18691da177e4SLinus Torvalds /* This will happen at close every time so it is a dbg not an err */ 18701da177e4SLinus Torvalds dbg("(this is ok on close) nonzero read bulk status received: %d", urb->status); 18711da177e4SLinus Torvalds return; 18721da177e4SLinus Torvalds } 18731da177e4SLinus Torvalds 18741da177e4SLinus Torvalds ftdi_process_read(port); 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvalds } /* ftdi_read_bulk_callback */ 18771da177e4SLinus Torvalds 18781da177e4SLinus Torvalds 187976854ceaSIan Abbott static void ftdi_process_read (void *param) 18801da177e4SLinus Torvalds { /* ftdi_process_read */ 188176854ceaSIan Abbott struct usb_serial_port *port = (struct usb_serial_port*)param; 18821da177e4SLinus Torvalds struct urb *urb; 18831da177e4SLinus Torvalds struct tty_struct *tty; 18841da177e4SLinus Torvalds struct ftdi_private *priv; 18851da177e4SLinus Torvalds char error_flag; 18861da177e4SLinus Torvalds unsigned char *data; 18871da177e4SLinus Torvalds 18881da177e4SLinus Torvalds int i; 18891da177e4SLinus Torvalds int result; 18901da177e4SLinus Torvalds int need_flip; 18911da177e4SLinus Torvalds int packet_offset; 189276854ceaSIan Abbott unsigned long flags; 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds if (port->open_count <= 0) 18971da177e4SLinus Torvalds return; 18981da177e4SLinus Torvalds 18991da177e4SLinus Torvalds tty = port->tty; 19001da177e4SLinus Torvalds if (!tty) { 19011da177e4SLinus Torvalds dbg("%s - bad tty pointer - exiting",__FUNCTION__); 19021da177e4SLinus Torvalds return; 19031da177e4SLinus Torvalds } 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds priv = usb_get_serial_port_data(port); 19061da177e4SLinus Torvalds if (!priv) { 19071da177e4SLinus Torvalds dbg("%s - bad port private data pointer - exiting", __FUNCTION__); 19081da177e4SLinus Torvalds return; 19091da177e4SLinus Torvalds } 19101da177e4SLinus Torvalds 19111da177e4SLinus Torvalds urb = port->read_urb; 19121da177e4SLinus Torvalds if (!urb) { 19131da177e4SLinus Torvalds dbg("%s - bad read_urb pointer - exiting", __FUNCTION__); 19141da177e4SLinus Torvalds return; 19151da177e4SLinus Torvalds } 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvalds data = urb->transfer_buffer; 19181da177e4SLinus Torvalds 191976854ceaSIan Abbott if (priv->rx_processed) { 192076854ceaSIan Abbott dbg("%s - already processed: %d bytes, %d remain", __FUNCTION__, 192176854ceaSIan Abbott priv->rx_processed, 192276854ceaSIan Abbott urb->actual_length - priv->rx_processed); 192376854ceaSIan Abbott } else { 19241da177e4SLinus Torvalds /* The first two bytes of every read packet are status */ 19251da177e4SLinus Torvalds if (urb->actual_length > 2) { 19261da177e4SLinus Torvalds usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data); 19271da177e4SLinus Torvalds } else { 19281da177e4SLinus Torvalds dbg("Status only: %03oo %03oo",data[0],data[1]); 19291da177e4SLinus Torvalds } 193076854ceaSIan Abbott } 19311da177e4SLinus Torvalds 19321da177e4SLinus Torvalds 19331da177e4SLinus Torvalds /* TO DO -- check for hung up line and handle appropriately: */ 19341da177e4SLinus Torvalds /* send hangup */ 19351da177e4SLinus Torvalds /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */ 19361da177e4SLinus Torvalds /* if CD is dropped and the line is not CLOCAL then we should hangup */ 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvalds need_flip = 0; 193976854ceaSIan Abbott for (packet_offset = priv->rx_processed; packet_offset < urb->actual_length; packet_offset += PKTSZ) { 194076854ceaSIan Abbott int length; 194176854ceaSIan Abbott 19421da177e4SLinus Torvalds /* Compare new line status to the old one, signal if different */ 194376854ceaSIan Abbott /* N.B. packet may be processed more than once, but differences 194476854ceaSIan Abbott * are only processed once. */ 19451da177e4SLinus Torvalds if (priv != NULL) { 19461da177e4SLinus Torvalds char new_status = data[packet_offset+0] & FTDI_STATUS_B0_MASK; 19471da177e4SLinus Torvalds if (new_status != priv->prev_status) { 19481da177e4SLinus Torvalds priv->diff_status |= new_status ^ priv->prev_status; 19491da177e4SLinus Torvalds wake_up_interruptible(&priv->delta_msr_wait); 19501da177e4SLinus Torvalds priv->prev_status = new_status; 19511da177e4SLinus Torvalds } 19521da177e4SLinus Torvalds } 19531da177e4SLinus Torvalds 195476854ceaSIan Abbott length = min(PKTSZ, urb->actual_length-packet_offset)-2; 195576854ceaSIan Abbott if (length < 0) { 195676854ceaSIan Abbott err("%s - bad packet length: %d", __FUNCTION__, length+2); 195776854ceaSIan Abbott length = 0; 195876854ceaSIan Abbott } 195976854ceaSIan Abbott 196076854ceaSIan Abbott /* have to make sure we don't overflow the buffer 196176854ceaSIan Abbott with tty_insert_flip_char's */ 196276854ceaSIan Abbott if (tty->flip.count+length > TTY_FLIPBUF_SIZE) { 196376854ceaSIan Abbott tty_flip_buffer_push(tty); 196476854ceaSIan Abbott need_flip = 0; 196576854ceaSIan Abbott 196676854ceaSIan Abbott if (tty->flip.count != 0) { 196776854ceaSIan Abbott /* flip didn't work, this happens when ftdi_process_read() is 196876854ceaSIan Abbott * called from ftdi_unthrottle, because TTY_DONT_FLIP is set */ 196976854ceaSIan Abbott dbg("%s - flip buffer push failed", __FUNCTION__); 197076854ceaSIan Abbott break; 197176854ceaSIan Abbott } 197276854ceaSIan Abbott } 197376854ceaSIan Abbott if (priv->rx_flags & THROTTLED) { 197476854ceaSIan Abbott dbg("%s - throttled", __FUNCTION__); 197576854ceaSIan Abbott break; 197676854ceaSIan Abbott } 197776854ceaSIan Abbott if (tty->ldisc.receive_room(tty)-tty->flip.count < length) { 197876854ceaSIan Abbott /* break out & wait for throttling/unthrottling to happen */ 197976854ceaSIan Abbott dbg("%s - receive room low", __FUNCTION__); 198076854ceaSIan Abbott break; 198176854ceaSIan Abbott } 198276854ceaSIan Abbott 19831da177e4SLinus Torvalds /* Handle errors and break */ 19841da177e4SLinus Torvalds error_flag = TTY_NORMAL; 19851da177e4SLinus Torvalds /* Although the device uses a bitmask and hence can have multiple */ 19861da177e4SLinus Torvalds /* errors on a packet - the order here sets the priority the */ 19871da177e4SLinus Torvalds /* error is returned to the tty layer */ 19881da177e4SLinus Torvalds 19891da177e4SLinus Torvalds if ( data[packet_offset+1] & FTDI_RS_OE ) { 19901da177e4SLinus Torvalds error_flag = TTY_OVERRUN; 19911da177e4SLinus Torvalds dbg("OVERRRUN error"); 19921da177e4SLinus Torvalds } 19931da177e4SLinus Torvalds if ( data[packet_offset+1] & FTDI_RS_BI ) { 19941da177e4SLinus Torvalds error_flag = TTY_BREAK; 19951da177e4SLinus Torvalds dbg("BREAK received"); 19961da177e4SLinus Torvalds } 19971da177e4SLinus Torvalds if ( data[packet_offset+1] & FTDI_RS_PE ) { 19981da177e4SLinus Torvalds error_flag = TTY_PARITY; 19991da177e4SLinus Torvalds dbg("PARITY error"); 20001da177e4SLinus Torvalds } 20011da177e4SLinus Torvalds if ( data[packet_offset+1] & FTDI_RS_FE ) { 20021da177e4SLinus Torvalds error_flag = TTY_FRAME; 20031da177e4SLinus Torvalds dbg("FRAMING error"); 20041da177e4SLinus Torvalds } 200576854ceaSIan Abbott if (length > 0) { 200676854ceaSIan Abbott for (i = 2; i < length+2; i++) { 20071da177e4SLinus Torvalds /* Note that the error flag is duplicated for 20081da177e4SLinus Torvalds every character received since we don't know 20091da177e4SLinus Torvalds which character it applied to */ 20101da177e4SLinus Torvalds tty_insert_flip_char(tty, data[packet_offset+i], error_flag); 20111da177e4SLinus Torvalds } 20121da177e4SLinus Torvalds need_flip = 1; 20131da177e4SLinus Torvalds } 20141da177e4SLinus Torvalds 20151da177e4SLinus Torvalds #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW 20161da177e4SLinus Torvalds /* if a parity error is detected you get status packets forever 20171da177e4SLinus Torvalds until a character is sent without a parity error. 20181da177e4SLinus Torvalds This doesn't work well since the application receives a never 20191da177e4SLinus Torvalds ending stream of bad data - even though new data hasn't been sent. 20201da177e4SLinus Torvalds Therefore I (bill) have taken this out. 20211da177e4SLinus Torvalds However - this might make sense for framing errors and so on 20221da177e4SLinus Torvalds so I am leaving the code in for now. 20231da177e4SLinus Torvalds */ 20241da177e4SLinus Torvalds else { 20251da177e4SLinus Torvalds if (error_flag != TTY_NORMAL){ 20261da177e4SLinus Torvalds dbg("error_flag is not normal"); 20271da177e4SLinus Torvalds /* In this case it is just status - if that is an error send a bad character */ 20281da177e4SLinus Torvalds if(tty->flip.count >= TTY_FLIPBUF_SIZE) { 20291da177e4SLinus Torvalds tty_flip_buffer_push(tty); 20301da177e4SLinus Torvalds } 20311da177e4SLinus Torvalds tty_insert_flip_char(tty, 0xff, error_flag); 20321da177e4SLinus Torvalds need_flip = 1; 20331da177e4SLinus Torvalds } 20341da177e4SLinus Torvalds } 20351da177e4SLinus Torvalds #endif 20361da177e4SLinus Torvalds } /* "for(packet_offset=0..." */ 20371da177e4SLinus Torvalds 20381da177e4SLinus Torvalds /* Low latency */ 20391da177e4SLinus Torvalds if (need_flip) { 20401da177e4SLinus Torvalds tty_flip_buffer_push(tty); 20411da177e4SLinus Torvalds } 20421da177e4SLinus Torvalds 204376854ceaSIan Abbott if (packet_offset < urb->actual_length) { 204476854ceaSIan Abbott /* not completely processed - record progress */ 204576854ceaSIan Abbott priv->rx_processed = packet_offset; 204676854ceaSIan Abbott dbg("%s - incomplete, %d bytes processed, %d remain", 204776854ceaSIan Abbott __FUNCTION__, packet_offset, 204876854ceaSIan Abbott urb->actual_length - packet_offset); 204976854ceaSIan Abbott /* check if we were throttled while processing */ 205076854ceaSIan Abbott spin_lock_irqsave(&priv->rx_lock, flags); 205176854ceaSIan Abbott if (priv->rx_flags & THROTTLED) { 205276854ceaSIan Abbott priv->rx_flags |= ACTUALLY_THROTTLED; 205376854ceaSIan Abbott spin_unlock_irqrestore(&priv->rx_lock, flags); 205476854ceaSIan Abbott dbg("%s - deferring remainder until unthrottled", 205576854ceaSIan Abbott __FUNCTION__); 205676854ceaSIan Abbott return; 205776854ceaSIan Abbott } 205876854ceaSIan Abbott spin_unlock_irqrestore(&priv->rx_lock, flags); 205976854ceaSIan Abbott /* if the port is closed stop trying to read */ 206076854ceaSIan Abbott if (port->open_count > 0){ 206176854ceaSIan Abbott /* delay processing of remainder */ 206276854ceaSIan Abbott schedule_delayed_work(&priv->rx_work, 1); 206376854ceaSIan Abbott } else { 206476854ceaSIan Abbott dbg("%s - port is closed", __FUNCTION__); 206576854ceaSIan Abbott } 206676854ceaSIan Abbott return; 206776854ceaSIan Abbott } 206876854ceaSIan Abbott 206976854ceaSIan Abbott /* urb is completely processed */ 207076854ceaSIan Abbott priv->rx_processed = 0; 207176854ceaSIan Abbott 20721da177e4SLinus Torvalds /* if the port is closed stop trying to read */ 20731da177e4SLinus Torvalds if (port->open_count > 0){ 20741da177e4SLinus Torvalds /* Continue trying to always read */ 20751da177e4SLinus Torvalds usb_fill_bulk_urb(port->read_urb, port->serial->dev, 20761da177e4SLinus Torvalds usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress), 20771da177e4SLinus Torvalds port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length, 20781da177e4SLinus Torvalds ftdi_read_bulk_callback, port); 20791da177e4SLinus Torvalds 20801da177e4SLinus Torvalds result = usb_submit_urb(port->read_urb, GFP_ATOMIC); 20811da177e4SLinus Torvalds if (result) 20821da177e4SLinus Torvalds err("%s - failed resubmitting read urb, error %d", __FUNCTION__, result); 20831da177e4SLinus Torvalds } 20841da177e4SLinus Torvalds 20851da177e4SLinus Torvalds return; 20861da177e4SLinus Torvalds } /* ftdi_process_read */ 20871da177e4SLinus Torvalds 20881da177e4SLinus Torvalds 20891da177e4SLinus Torvalds static void ftdi_break_ctl( struct usb_serial_port *port, int break_state ) 20901da177e4SLinus Torvalds { 20911da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 20921da177e4SLinus Torvalds __u16 urb_value = 0; 20931da177e4SLinus Torvalds char buf[1]; 20941da177e4SLinus Torvalds 20951da177e4SLinus Torvalds /* break_state = -1 to turn on break, and 0 to turn off break */ 20961da177e4SLinus Torvalds /* see drivers/char/tty_io.c to see it used */ 20971da177e4SLinus Torvalds /* last_set_data_urb_value NEVER has the break bit set in it */ 20981da177e4SLinus Torvalds 20991da177e4SLinus Torvalds if (break_state) { 21001da177e4SLinus Torvalds urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK; 21011da177e4SLinus Torvalds } else { 21021da177e4SLinus Torvalds urb_value = priv->last_set_data_urb_value; 21031da177e4SLinus Torvalds } 21041da177e4SLinus Torvalds 21051da177e4SLinus Torvalds 21061da177e4SLinus Torvalds if (usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), 21071da177e4SLinus Torvalds FTDI_SIO_SET_DATA_REQUEST, 21081da177e4SLinus Torvalds FTDI_SIO_SET_DATA_REQUEST_TYPE, 21091da177e4SLinus Torvalds urb_value , priv->interface, 21101da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT) < 0) { 21111da177e4SLinus Torvalds err("%s FAILED to enable/disable break state (state was %d)", __FUNCTION__,break_state); 21121da177e4SLinus Torvalds } 21131da177e4SLinus Torvalds 21141da177e4SLinus Torvalds dbg("%s break state is %d - urb is %d", __FUNCTION__,break_state, urb_value); 21151da177e4SLinus Torvalds 21161da177e4SLinus Torvalds } 21171da177e4SLinus Torvalds 21181da177e4SLinus Torvalds 21191da177e4SLinus Torvalds /* old_termios contains the original termios settings and tty->termios contains 21201da177e4SLinus Torvalds * the new setting to be used 21211da177e4SLinus Torvalds * WARNING: set_termios calls this with old_termios in kernel space 21221da177e4SLinus Torvalds */ 21231da177e4SLinus Torvalds 21241da177e4SLinus Torvalds static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_termios) 21251da177e4SLinus Torvalds { /* ftdi_termios */ 21261da177e4SLinus Torvalds struct usb_device *dev = port->serial->dev; 21271da177e4SLinus Torvalds unsigned int cflag = port->tty->termios->c_cflag; 21281da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 21291da177e4SLinus Torvalds __u16 urb_value; /* will hold the new flags */ 21301da177e4SLinus Torvalds char buf[1]; /* Perhaps I should dynamically alloc this? */ 21311da177e4SLinus Torvalds 21321da177e4SLinus Torvalds // Added for xon/xoff support 21331da177e4SLinus Torvalds unsigned int iflag = port->tty->termios->c_iflag; 21341da177e4SLinus Torvalds unsigned char vstop; 21351da177e4SLinus Torvalds unsigned char vstart; 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvalds dbg("%s", __FUNCTION__); 21381da177e4SLinus Torvalds 21391da177e4SLinus Torvalds /* Force baud rate if this device requires it, unless it is set to B0. */ 21401da177e4SLinus Torvalds if (priv->force_baud && ((port->tty->termios->c_cflag & CBAUD) != B0)) { 21411da177e4SLinus Torvalds dbg("%s: forcing baud rate for this device", __FUNCTION__); 21421da177e4SLinus Torvalds port->tty->termios->c_cflag &= ~CBAUD; 21431da177e4SLinus Torvalds port->tty->termios->c_cflag |= priv->force_baud; 21441da177e4SLinus Torvalds } 21451da177e4SLinus Torvalds 21461da177e4SLinus Torvalds /* Force RTS-CTS if this device requires it. */ 21471da177e4SLinus Torvalds if (priv->force_rtscts) { 21481da177e4SLinus Torvalds dbg("%s: forcing rtscts for this device", __FUNCTION__); 21491da177e4SLinus Torvalds port->tty->termios->c_cflag |= CRTSCTS; 21501da177e4SLinus Torvalds } 21511da177e4SLinus Torvalds 21521da177e4SLinus Torvalds cflag = port->tty->termios->c_cflag; 21531da177e4SLinus Torvalds 21541da177e4SLinus Torvalds /* FIXME -For this cut I don't care if the line is really changing or 21551da177e4SLinus Torvalds not - so just do the change regardless - should be able to 21561da177e4SLinus Torvalds compare old_termios and tty->termios */ 21571da177e4SLinus Torvalds /* NOTE These routines can get interrupted by 21581da177e4SLinus Torvalds ftdi_sio_read_bulk_callback - need to examine what this 21591da177e4SLinus Torvalds means - don't see any problems yet */ 21601da177e4SLinus Torvalds 21611da177e4SLinus Torvalds /* Set number of data bits, parity, stop bits */ 21621da177e4SLinus Torvalds 21631da177e4SLinus Torvalds urb_value = 0; 21641da177e4SLinus Torvalds urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : 21651da177e4SLinus Torvalds FTDI_SIO_SET_DATA_STOP_BITS_1); 21661da177e4SLinus Torvalds urb_value |= (cflag & PARENB ? 21671da177e4SLinus Torvalds (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD : 21681da177e4SLinus Torvalds FTDI_SIO_SET_DATA_PARITY_EVEN) : 21691da177e4SLinus Torvalds FTDI_SIO_SET_DATA_PARITY_NONE); 21701da177e4SLinus Torvalds if (cflag & CSIZE) { 21711da177e4SLinus Torvalds switch (cflag & CSIZE) { 21721da177e4SLinus Torvalds case CS5: urb_value |= 5; dbg("Setting CS5"); break; 21731da177e4SLinus Torvalds case CS6: urb_value |= 6; dbg("Setting CS6"); break; 21741da177e4SLinus Torvalds case CS7: urb_value |= 7; dbg("Setting CS7"); break; 21751da177e4SLinus Torvalds case CS8: urb_value |= 8; dbg("Setting CS8"); break; 21761da177e4SLinus Torvalds default: 21771da177e4SLinus Torvalds err("CSIZE was set but not CS5-CS8"); 21781da177e4SLinus Torvalds } 21791da177e4SLinus Torvalds } 21801da177e4SLinus Torvalds 21811da177e4SLinus Torvalds /* This is needed by the break command since it uses the same command - but is 21821da177e4SLinus Torvalds * or'ed with this value */ 21831da177e4SLinus Torvalds priv->last_set_data_urb_value = urb_value; 21841da177e4SLinus Torvalds 21851da177e4SLinus Torvalds if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 21861da177e4SLinus Torvalds FTDI_SIO_SET_DATA_REQUEST, 21871da177e4SLinus Torvalds FTDI_SIO_SET_DATA_REQUEST_TYPE, 21881da177e4SLinus Torvalds urb_value , priv->interface, 21891da177e4SLinus Torvalds buf, 0, 100) < 0) { 21901da177e4SLinus Torvalds err("%s FAILED to set databits/stopbits/parity", __FUNCTION__); 21911da177e4SLinus Torvalds } 21921da177e4SLinus Torvalds 21931da177e4SLinus Torvalds /* Now do the baudrate */ 21941da177e4SLinus Torvalds if ((cflag & CBAUD) == B0 ) { 21951da177e4SLinus Torvalds /* Disable flow control */ 21961da177e4SLinus Torvalds if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 21971da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST, 21981da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 21991da177e4SLinus Torvalds 0, priv->interface, 22001da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT) < 0) { 22011da177e4SLinus Torvalds err("%s error from disable flowcontrol urb", __FUNCTION__); 22021da177e4SLinus Torvalds } 22031da177e4SLinus Torvalds /* Drop RTS and DTR */ 22041da177e4SLinus Torvalds if (set_dtr(port, LOW) < 0){ 22051da177e4SLinus Torvalds err("%s Error from DTR LOW urb", __FUNCTION__); 22061da177e4SLinus Torvalds } 22071da177e4SLinus Torvalds if (set_rts(port, LOW) < 0){ 22081da177e4SLinus Torvalds err("%s Error from RTS LOW urb", __FUNCTION__); 22091da177e4SLinus Torvalds } 22101da177e4SLinus Torvalds 22111da177e4SLinus Torvalds } else { 22121da177e4SLinus Torvalds /* set the baudrate determined before */ 22131da177e4SLinus Torvalds if (change_speed(port)) { 22141da177e4SLinus Torvalds err("%s urb failed to set baurdrate", __FUNCTION__); 22151da177e4SLinus Torvalds } 22161da177e4SLinus Torvalds /* Ensure RTS and DTR are raised */ 22171da177e4SLinus Torvalds else if (set_dtr(port, HIGH) < 0){ 22181da177e4SLinus Torvalds err("%s Error from DTR HIGH urb", __FUNCTION__); 22191da177e4SLinus Torvalds } 22201da177e4SLinus Torvalds else if (set_rts(port, HIGH) < 0){ 22211da177e4SLinus Torvalds err("%s Error from RTS HIGH urb", __FUNCTION__); 22221da177e4SLinus Torvalds } 22231da177e4SLinus Torvalds } 22241da177e4SLinus Torvalds 22251da177e4SLinus Torvalds /* Set flow control */ 22261da177e4SLinus Torvalds /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ 22271da177e4SLinus Torvalds if (cflag & CRTSCTS) { 22281da177e4SLinus Torvalds dbg("%s Setting to CRTSCTS flow control", __FUNCTION__); 22291da177e4SLinus Torvalds if (usb_control_msg(dev, 22301da177e4SLinus Torvalds usb_sndctrlpipe(dev, 0), 22311da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST, 22321da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 22331da177e4SLinus Torvalds 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface), 22341da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT) < 0) { 22351da177e4SLinus Torvalds err("urb failed to set to rts/cts flow control"); 22361da177e4SLinus Torvalds } 22371da177e4SLinus Torvalds 22381da177e4SLinus Torvalds } else { 22391da177e4SLinus Torvalds /* 22401da177e4SLinus Torvalds * Xon/Xoff code 22411da177e4SLinus Torvalds * 22421da177e4SLinus Torvalds * Check the IXOFF status in the iflag component of the termios structure 22431da177e4SLinus Torvalds * if IXOFF is not set, the pre-xon/xoff code is executed. 22441da177e4SLinus Torvalds */ 22451da177e4SLinus Torvalds if (iflag & IXOFF) { 22461da177e4SLinus Torvalds dbg("%s request to enable xonxoff iflag=%04x",__FUNCTION__,iflag); 22471da177e4SLinus Torvalds // Try to enable the XON/XOFF on the ftdi_sio 22481da177e4SLinus Torvalds // Set the vstart and vstop -- could have been done up above where 22491da177e4SLinus Torvalds // a lot of other dereferencing is done but that would be very 22501da177e4SLinus Torvalds // inefficient as vstart and vstop are not always needed 22511da177e4SLinus Torvalds vstart=port->tty->termios->c_cc[VSTART]; 22521da177e4SLinus Torvalds vstop=port->tty->termios->c_cc[VSTOP]; 22531da177e4SLinus Torvalds urb_value=(vstop << 8) | (vstart); 22541da177e4SLinus Torvalds 22551da177e4SLinus Torvalds if (usb_control_msg(dev, 22561da177e4SLinus Torvalds usb_sndctrlpipe(dev, 0), 22571da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST, 22581da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 22591da177e4SLinus Torvalds urb_value , (FTDI_SIO_XON_XOFF_HS 22601da177e4SLinus Torvalds | priv->interface), 22611da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT) < 0) { 22621da177e4SLinus Torvalds err("urb failed to set to xon/xoff flow control"); 22631da177e4SLinus Torvalds } 22641da177e4SLinus Torvalds } else { 22651da177e4SLinus Torvalds /* else clause to only run if cfag ! CRTSCTS and iflag ! XOFF */ 22661da177e4SLinus Torvalds /* CHECKME Assuming XON/XOFF handled by tty stack - not by device */ 22671da177e4SLinus Torvalds dbg("%s Turning off hardware flow control", __FUNCTION__); 22681da177e4SLinus Torvalds if (usb_control_msg(dev, 22691da177e4SLinus Torvalds usb_sndctrlpipe(dev, 0), 22701da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST, 22711da177e4SLinus Torvalds FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 22721da177e4SLinus Torvalds 0, priv->interface, 22731da177e4SLinus Torvalds buf, 0, WDR_TIMEOUT) < 0) { 22741da177e4SLinus Torvalds err("urb failed to clear flow control"); 22751da177e4SLinus Torvalds } 22761da177e4SLinus Torvalds } 22771da177e4SLinus Torvalds 22781da177e4SLinus Torvalds } 22791da177e4SLinus Torvalds return; 22801da177e4SLinus Torvalds } /* ftdi_termios */ 22811da177e4SLinus Torvalds 22821da177e4SLinus Torvalds 22831da177e4SLinus Torvalds static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file) 22841da177e4SLinus Torvalds { 22851da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 22861da177e4SLinus Torvalds unsigned char buf[2]; 22871da177e4SLinus Torvalds int ret; 22881da177e4SLinus Torvalds 22891da177e4SLinus Torvalds dbg("%s TIOCMGET", __FUNCTION__); 22901da177e4SLinus Torvalds switch (priv->chip_type) { 22911da177e4SLinus Torvalds case SIO: 22921da177e4SLinus Torvalds /* Request the status from the device */ 22931da177e4SLinus Torvalds if ((ret = usb_control_msg(port->serial->dev, 22941da177e4SLinus Torvalds usb_rcvctrlpipe(port->serial->dev, 0), 22951da177e4SLinus Torvalds FTDI_SIO_GET_MODEM_STATUS_REQUEST, 22961da177e4SLinus Torvalds FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, 22971da177e4SLinus Torvalds 0, 0, 22981da177e4SLinus Torvalds buf, 1, WDR_TIMEOUT)) < 0 ) { 22991da177e4SLinus Torvalds err("%s Could not get modem status of device - err: %d", __FUNCTION__, 23001da177e4SLinus Torvalds ret); 23011da177e4SLinus Torvalds return(ret); 23021da177e4SLinus Torvalds } 23031da177e4SLinus Torvalds break; 23041da177e4SLinus Torvalds case FT8U232AM: 23051da177e4SLinus Torvalds case FT232BM: 23061da177e4SLinus Torvalds case FT2232C: 23071da177e4SLinus Torvalds /* the 8U232AM returns a two byte value (the sio is a 1 byte value) - in the same 23081da177e4SLinus Torvalds format as the data returned from the in point */ 23091da177e4SLinus Torvalds if ((ret = usb_control_msg(port->serial->dev, 23101da177e4SLinus Torvalds usb_rcvctrlpipe(port->serial->dev, 0), 23111da177e4SLinus Torvalds FTDI_SIO_GET_MODEM_STATUS_REQUEST, 23121da177e4SLinus Torvalds FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, 23131da177e4SLinus Torvalds 0, priv->interface, 23141da177e4SLinus Torvalds buf, 2, WDR_TIMEOUT)) < 0 ) { 23151da177e4SLinus Torvalds err("%s Could not get modem status of device - err: %d", __FUNCTION__, 23161da177e4SLinus Torvalds ret); 23171da177e4SLinus Torvalds return(ret); 23181da177e4SLinus Torvalds } 23191da177e4SLinus Torvalds break; 23201da177e4SLinus Torvalds default: 23211da177e4SLinus Torvalds return -EFAULT; 23221da177e4SLinus Torvalds break; 23231da177e4SLinus Torvalds } 23241da177e4SLinus Torvalds 23251da177e4SLinus Torvalds return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) | 23261da177e4SLinus Torvalds (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) | 23271da177e4SLinus Torvalds (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) | 23281da177e4SLinus Torvalds (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) | 23291da177e4SLinus Torvalds priv->last_dtr_rts; 23301da177e4SLinus Torvalds } 23311da177e4SLinus Torvalds 23321da177e4SLinus Torvalds static int ftdi_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear) 23331da177e4SLinus Torvalds { 23341da177e4SLinus Torvalds int ret; 23351da177e4SLinus Torvalds 23361da177e4SLinus Torvalds dbg("%s TIOCMSET", __FUNCTION__); 23371da177e4SLinus Torvalds if (set & TIOCM_DTR){ 23381da177e4SLinus Torvalds if ((ret = set_dtr(port, HIGH)) < 0) { 23391da177e4SLinus Torvalds err("Urb to set DTR failed"); 23401da177e4SLinus Torvalds return(ret); 23411da177e4SLinus Torvalds } 23421da177e4SLinus Torvalds } 23431da177e4SLinus Torvalds if (set & TIOCM_RTS) { 23441da177e4SLinus Torvalds if ((ret = set_rts(port, HIGH)) < 0){ 23451da177e4SLinus Torvalds err("Urb to set RTS failed"); 23461da177e4SLinus Torvalds return(ret); 23471da177e4SLinus Torvalds } 23481da177e4SLinus Torvalds } 23491da177e4SLinus Torvalds 23501da177e4SLinus Torvalds if (clear & TIOCM_DTR){ 23511da177e4SLinus Torvalds if ((ret = set_dtr(port, LOW)) < 0){ 23521da177e4SLinus Torvalds err("Urb to unset DTR failed"); 23531da177e4SLinus Torvalds return(ret); 23541da177e4SLinus Torvalds } 23551da177e4SLinus Torvalds } 23561da177e4SLinus Torvalds if (clear & TIOCM_RTS) { 23571da177e4SLinus Torvalds if ((ret = set_rts(port, LOW)) < 0){ 23581da177e4SLinus Torvalds err("Urb to unset RTS failed"); 23591da177e4SLinus Torvalds return(ret); 23601da177e4SLinus Torvalds } 23611da177e4SLinus Torvalds } 23621da177e4SLinus Torvalds return(0); 23631da177e4SLinus Torvalds } 23641da177e4SLinus Torvalds 23651da177e4SLinus Torvalds 23661da177e4SLinus Torvalds static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg) 23671da177e4SLinus Torvalds { 23681da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 23691da177e4SLinus Torvalds 23701da177e4SLinus Torvalds int ret, mask; 23711da177e4SLinus Torvalds 23721da177e4SLinus Torvalds dbg("%s cmd 0x%04x", __FUNCTION__, cmd); 23731da177e4SLinus Torvalds 23741da177e4SLinus Torvalds /* Based on code from acm.c and others */ 23751da177e4SLinus Torvalds switch (cmd) { 23761da177e4SLinus Torvalds 23771da177e4SLinus Torvalds case TIOCMBIS: /* turns on (Sets) the lines as specified by the mask */ 23781da177e4SLinus Torvalds dbg("%s TIOCMBIS", __FUNCTION__); 23791da177e4SLinus Torvalds if (get_user(mask, (unsigned long __user *) arg)) 23801da177e4SLinus Torvalds return -EFAULT; 23811da177e4SLinus Torvalds if (mask & TIOCM_DTR){ 23821da177e4SLinus Torvalds if ((ret = set_dtr(port, HIGH)) < 0) { 23831da177e4SLinus Torvalds err("Urb to set DTR failed"); 23841da177e4SLinus Torvalds return(ret); 23851da177e4SLinus Torvalds } 23861da177e4SLinus Torvalds } 23871da177e4SLinus Torvalds if (mask & TIOCM_RTS) { 23881da177e4SLinus Torvalds if ((ret = set_rts(port, HIGH)) < 0){ 23891da177e4SLinus Torvalds err("Urb to set RTS failed"); 23901da177e4SLinus Torvalds return(ret); 23911da177e4SLinus Torvalds } 23921da177e4SLinus Torvalds } 23931da177e4SLinus Torvalds return(0); 23941da177e4SLinus Torvalds break; 23951da177e4SLinus Torvalds 23961da177e4SLinus Torvalds case TIOCMBIC: /* turns off (Clears) the lines as specified by the mask */ 23971da177e4SLinus Torvalds dbg("%s TIOCMBIC", __FUNCTION__); 23981da177e4SLinus Torvalds if (get_user(mask, (unsigned long __user *) arg)) 23991da177e4SLinus Torvalds return -EFAULT; 24001da177e4SLinus Torvalds if (mask & TIOCM_DTR){ 24011da177e4SLinus Torvalds if ((ret = set_dtr(port, LOW)) < 0){ 24021da177e4SLinus Torvalds err("Urb to unset DTR failed"); 24031da177e4SLinus Torvalds return(ret); 24041da177e4SLinus Torvalds } 24051da177e4SLinus Torvalds } 24061da177e4SLinus Torvalds if (mask & TIOCM_RTS) { 24071da177e4SLinus Torvalds if ((ret = set_rts(port, LOW)) < 0){ 24081da177e4SLinus Torvalds err("Urb to unset RTS failed"); 24091da177e4SLinus Torvalds return(ret); 24101da177e4SLinus Torvalds } 24111da177e4SLinus Torvalds } 24121da177e4SLinus Torvalds return(0); 24131da177e4SLinus Torvalds break; 24141da177e4SLinus Torvalds 24151da177e4SLinus Torvalds /* 24161da177e4SLinus Torvalds * I had originally implemented TCSET{A,S}{,F,W} and 24171da177e4SLinus Torvalds * TCGET{A,S} here separately, however when testing I 24181da177e4SLinus Torvalds * found that the higher layers actually do the termios 24191da177e4SLinus Torvalds * conversions themselves and pass the call onto 24201da177e4SLinus Torvalds * ftdi_sio_set_termios. 24211da177e4SLinus Torvalds * 24221da177e4SLinus Torvalds */ 24231da177e4SLinus Torvalds 24241da177e4SLinus Torvalds case TIOCGSERIAL: /* gets serial port data */ 24251da177e4SLinus Torvalds return get_serial_info(port, (struct serial_struct __user *) arg); 24261da177e4SLinus Torvalds 24271da177e4SLinus Torvalds case TIOCSSERIAL: /* sets serial port data */ 24281da177e4SLinus Torvalds return set_serial_info(port, (struct serial_struct __user *) arg); 24291da177e4SLinus Torvalds 24301da177e4SLinus Torvalds /* 24311da177e4SLinus Torvalds * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change 24321da177e4SLinus Torvalds * - mask passed in arg for lines of interest 24331da177e4SLinus Torvalds * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) 24341da177e4SLinus Torvalds * Caller should use TIOCGICOUNT to see which one it was. 24351da177e4SLinus Torvalds * 24361da177e4SLinus Torvalds * This code is borrowed from linux/drivers/char/serial.c 24371da177e4SLinus Torvalds */ 24381da177e4SLinus Torvalds case TIOCMIWAIT: 24391da177e4SLinus Torvalds while (priv != NULL) { 24401da177e4SLinus Torvalds interruptible_sleep_on(&priv->delta_msr_wait); 24411da177e4SLinus Torvalds /* see if a signal did it */ 24421da177e4SLinus Torvalds if (signal_pending(current)) 24431da177e4SLinus Torvalds return -ERESTARTSYS; 24441da177e4SLinus Torvalds else { 24451da177e4SLinus Torvalds char diff = priv->diff_status; 24461da177e4SLinus Torvalds 24471da177e4SLinus Torvalds if (diff == 0) { 24481da177e4SLinus Torvalds return -EIO; /* no change => error */ 24491da177e4SLinus Torvalds } 24501da177e4SLinus Torvalds 24511da177e4SLinus Torvalds /* Consume all events */ 24521da177e4SLinus Torvalds priv->diff_status = 0; 24531da177e4SLinus Torvalds 24541da177e4SLinus Torvalds /* Return 0 if caller wanted to know about these bits */ 24551da177e4SLinus Torvalds if ( ((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) || 24561da177e4SLinus Torvalds ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) || 24571da177e4SLinus Torvalds ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) || 24581da177e4SLinus Torvalds ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS)) ) { 24591da177e4SLinus Torvalds return 0; 24601da177e4SLinus Torvalds } 24611da177e4SLinus Torvalds /* 24621da177e4SLinus Torvalds * Otherwise caller can't care less about what happened, 24631da177e4SLinus Torvalds * and so we continue to wait for more events. 24641da177e4SLinus Torvalds */ 24651da177e4SLinus Torvalds } 24661da177e4SLinus Torvalds } 24671da177e4SLinus Torvalds return(0); 24681da177e4SLinus Torvalds break; 24691da177e4SLinus Torvalds default: 24701da177e4SLinus Torvalds break; 24711da177e4SLinus Torvalds 24721da177e4SLinus Torvalds } 24731da177e4SLinus Torvalds 24741da177e4SLinus Torvalds 24751da177e4SLinus Torvalds /* This is not necessarily an error - turns out the higher layers will do 24761da177e4SLinus Torvalds * some ioctls itself (see comment above) 24771da177e4SLinus Torvalds */ 24781da177e4SLinus Torvalds dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __FUNCTION__, cmd); 24791da177e4SLinus Torvalds 24801da177e4SLinus Torvalds return(-ENOIOCTLCMD); 24811da177e4SLinus Torvalds } /* ftdi_ioctl */ 24821da177e4SLinus Torvalds 24831da177e4SLinus Torvalds 24841da177e4SLinus Torvalds static void ftdi_throttle (struct usb_serial_port *port) 24851da177e4SLinus Torvalds { 24861da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 24871da177e4SLinus Torvalds unsigned long flags; 24881da177e4SLinus Torvalds 24891da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 24901da177e4SLinus Torvalds 24911da177e4SLinus Torvalds spin_lock_irqsave(&priv->rx_lock, flags); 24921da177e4SLinus Torvalds priv->rx_flags |= THROTTLED; 24931da177e4SLinus Torvalds spin_unlock_irqrestore(&priv->rx_lock, flags); 24941da177e4SLinus Torvalds } 24951da177e4SLinus Torvalds 24961da177e4SLinus Torvalds 24971da177e4SLinus Torvalds static void ftdi_unthrottle (struct usb_serial_port *port) 24981da177e4SLinus Torvalds { 24991da177e4SLinus Torvalds struct ftdi_private *priv = usb_get_serial_port_data(port); 25001da177e4SLinus Torvalds int actually_throttled; 25011da177e4SLinus Torvalds unsigned long flags; 25021da177e4SLinus Torvalds 25031da177e4SLinus Torvalds dbg("%s - port %d", __FUNCTION__, port->number); 25041da177e4SLinus Torvalds 25051da177e4SLinus Torvalds spin_lock_irqsave(&priv->rx_lock, flags); 25061da177e4SLinus Torvalds actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED; 25071da177e4SLinus Torvalds priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); 25081da177e4SLinus Torvalds spin_unlock_irqrestore(&priv->rx_lock, flags); 25091da177e4SLinus Torvalds 25101da177e4SLinus Torvalds if (actually_throttled) 251176854ceaSIan Abbott schedule_work(&priv->rx_work); 25121da177e4SLinus Torvalds } 25131da177e4SLinus Torvalds 25141da177e4SLinus Torvalds static int __init ftdi_init (void) 25151da177e4SLinus Torvalds { 25161da177e4SLinus Torvalds int retval; 25171da177e4SLinus Torvalds 25181da177e4SLinus Torvalds dbg("%s", __FUNCTION__); 25191da177e4SLinus Torvalds retval = usb_serial_register(&ftdi_SIO_device); 25201da177e4SLinus Torvalds if (retval) 25211da177e4SLinus Torvalds goto failed_SIO_register; 25221da177e4SLinus Torvalds retval = usb_serial_register(&ftdi_8U232AM_device); 25231da177e4SLinus Torvalds if (retval) 25241da177e4SLinus Torvalds goto failed_8U232AM_register; 25251da177e4SLinus Torvalds retval = usb_serial_register(&ftdi_FT232BM_device); 25261da177e4SLinus Torvalds if (retval) 25271da177e4SLinus Torvalds goto failed_FT232BM_register; 25281da177e4SLinus Torvalds retval = usb_serial_register(&ftdi_FT2232C_device); 25291da177e4SLinus Torvalds if (retval) 25301da177e4SLinus Torvalds goto failed_FT2232C_register; 25311da177e4SLinus Torvalds retval = usb_serial_register(&ftdi_USB_UIRT_device); 25321da177e4SLinus Torvalds if (retval) 25331da177e4SLinus Torvalds goto failed_USB_UIRT_register; 25341da177e4SLinus Torvalds retval = usb_serial_register(&ftdi_HE_TIRA1_device); 25351da177e4SLinus Torvalds if (retval) 25361da177e4SLinus Torvalds goto failed_HE_TIRA1_register; 25371da177e4SLinus Torvalds retval = usb_register(&ftdi_driver); 25381da177e4SLinus Torvalds if (retval) 25391da177e4SLinus Torvalds goto failed_usb_register; 25401da177e4SLinus Torvalds 25411da177e4SLinus Torvalds info(DRIVER_VERSION ":" DRIVER_DESC); 25421da177e4SLinus Torvalds return 0; 25431da177e4SLinus Torvalds failed_usb_register: 25441da177e4SLinus Torvalds usb_serial_deregister(&ftdi_HE_TIRA1_device); 25451da177e4SLinus Torvalds failed_HE_TIRA1_register: 25461da177e4SLinus Torvalds usb_serial_deregister(&ftdi_USB_UIRT_device); 25471da177e4SLinus Torvalds failed_USB_UIRT_register: 25481da177e4SLinus Torvalds usb_serial_deregister(&ftdi_FT2232C_device); 25491da177e4SLinus Torvalds failed_FT2232C_register: 25501da177e4SLinus Torvalds usb_serial_deregister(&ftdi_FT232BM_device); 25511da177e4SLinus Torvalds failed_FT232BM_register: 25521da177e4SLinus Torvalds usb_serial_deregister(&ftdi_8U232AM_device); 25531da177e4SLinus Torvalds failed_8U232AM_register: 25541da177e4SLinus Torvalds usb_serial_deregister(&ftdi_SIO_device); 25551da177e4SLinus Torvalds failed_SIO_register: 25561da177e4SLinus Torvalds return retval; 25571da177e4SLinus Torvalds } 25581da177e4SLinus Torvalds 25591da177e4SLinus Torvalds 25601da177e4SLinus Torvalds static void __exit ftdi_exit (void) 25611da177e4SLinus Torvalds { 25621da177e4SLinus Torvalds 25631da177e4SLinus Torvalds dbg("%s", __FUNCTION__); 25641da177e4SLinus Torvalds 25651da177e4SLinus Torvalds usb_deregister (&ftdi_driver); 25661da177e4SLinus Torvalds usb_serial_deregister (&ftdi_HE_TIRA1_device); 25671da177e4SLinus Torvalds usb_serial_deregister (&ftdi_USB_UIRT_device); 25681da177e4SLinus Torvalds usb_serial_deregister (&ftdi_FT2232C_device); 25691da177e4SLinus Torvalds usb_serial_deregister (&ftdi_FT232BM_device); 25701da177e4SLinus Torvalds usb_serial_deregister (&ftdi_8U232AM_device); 25711da177e4SLinus Torvalds usb_serial_deregister (&ftdi_SIO_device); 25721da177e4SLinus Torvalds 25731da177e4SLinus Torvalds } 25741da177e4SLinus Torvalds 25751da177e4SLinus Torvalds 25761da177e4SLinus Torvalds module_init(ftdi_init); 25771da177e4SLinus Torvalds module_exit(ftdi_exit); 25781da177e4SLinus Torvalds 25791da177e4SLinus Torvalds MODULE_AUTHOR( DRIVER_AUTHOR ); 25801da177e4SLinus Torvalds MODULE_DESCRIPTION( DRIVER_DESC ); 25811da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 25821da177e4SLinus Torvalds 25831da177e4SLinus Torvalds module_param(debug, bool, S_IRUGO | S_IWUSR); 25841da177e4SLinus Torvalds MODULE_PARM_DESC(debug, "Debug enabled or not"); 25851da177e4SLinus Torvalds 2586