blob: 1d7c4fac02e8e14db7bc0f12017194be8041226c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * USB FTDI SIO driver
3 *
David Brownell5c09d142006-10-13 15:57:58 -07004 * Copyright (C) 1999 - 2001
5 * Greg Kroah-Hartman (greg@kroah.com)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 * Bill Ryder (bryder@sgi.com)
7 * Copyright (C) 2002
8 * Kuba Ober (kuba@mareimbrium.org)
9 *
David Brownell5c09d142006-10-13 15:57:58 -070010 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 *
Alan Cox464cbb22008-07-22 11:11:23 +010015 * See Documentation/usb/usb-serial.txt for more information on using this
16 * driver
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 *
18 * See http://ftdi-usb-sio.sourceforge.net for upto date testing info
19 * and extra documentation
20 *
Greg Kroah-Hartman504b55c2002-04-09 12:14:34 -070021 * Change entries from 2004 and earlier can be found in versions of this
22 * file in kernel versions prior to the 2.6.24 release.
Linus Torvalds1da177e2005-04-16 15:20:36 -070023 *
24 */
25
26/* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
27/* Thanx to FTDI for so kindly providing details of the protocol required */
28/* to talk to the device */
Alan Cox464cbb22008-07-22 11:11:23 +010029/* Thanx to gkh and the rest of the usb dev group for all code I have
30 assimilated :-) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <linux/kernel.h>
33#include <linux/errno.h>
34#include <linux/init.h>
35#include <linux/slab.h>
36#include <linux/tty.h>
37#include <linux/tty_driver.h>
38#include <linux/tty_flip.h>
39#include <linux/module.h>
40#include <linux/spinlock.h>
Alessio Igor Boganibd09a9f2010-02-02 16:18:28 +010041#include <linux/mutex.h>
Alan Cox464cbb22008-07-22 11:11:23 +010042#include <linux/uaccess.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070043#include <linux/usb.h>
44#include <linux/serial.h>
Greg Kroah-Hartmana9698882006-07-11 21:22:58 -070045#include <linux/usb/serial.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#include "ftdi_sio.h"
Andreas Mohr31844d52009-12-16 21:45:10 +010047#include "ftdi_sio_ids.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
49/*
50 * Version Information
51 */
Mark Adamson094c2e62009-04-09 15:03:09 +010052#define DRIVER_VERSION "v1.5.0"
Andreas Mohr65e1ec62010-01-17 11:45:38 +010053#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr"
Linus Torvalds1da177e2005-04-16 15:20:36 -070054#define DRIVER_DESC "USB FTDI Serial Converters Driver"
55
56static int debug;
Ian Abbottfdcb0a02005-07-28 18:40:32 +010057static __u16 vendor = FTDI_VID;
58static __u16 product;
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070060struct ftdi_private {
Alan Sternc45d6322009-04-30 10:06:19 -040061 struct kref kref;
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070062 ftdi_chip_type_t chip_type;
Alan Cox464cbb22008-07-22 11:11:23 +010063 /* type of device, either SIO or FT8U232AM */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070064 int baud_base; /* baud base clock for divisor setting */
Alan Cox464cbb22008-07-22 11:11:23 +010065 int custom_divisor; /* custom_divisor kludge, this is for
66 baud_base (different from what goes to the
67 chip!) */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070068 __u16 last_set_data_urb_value ;
Alan Cox464cbb22008-07-22 11:11:23 +010069 /* the last data state set - needed for doing
70 * a break
71 */
72 int write_offset; /* This is the offset in the usb data block to
73 * write the serial data - it varies between
74 * devices
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070075 */
76 int flags; /* some ASYNC_xxxx flags are supported */
77 unsigned long last_dtr_rts; /* saved modem control outputs */
Alan Cox464cbb22008-07-22 11:11:23 +010078 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070079 char prev_status, diff_status; /* Used for TIOCMIWAIT */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070080 struct usb_serial_port *port;
Mark Adamson094c2e62009-04-09 15:03:09 +010081 __u16 interface; /* FT2232C, FT2232H or FT4232H port interface
82 (0 for FT232/245) */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070083
Alan Cox464cbb22008-07-22 11:11:23 +010084 speed_t force_baud; /* if non-zero, force the baud rate to
85 this value */
86 int force_rtscts; /* if non-zero, force RTS-CTS to always
87 be enabled */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070088
Alan Cox557aaa72009-06-11 13:55:34 +010089 unsigned int latency; /* latency setting in use */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070090 spinlock_t tx_lock; /* spinlock for transmit state */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070091 unsigned long tx_outstanding_bytes;
92 unsigned long tx_outstanding_urbs;
Mark Adamson895f28b2009-05-01 11:48:45 +010093 unsigned short max_packet_size;
Alessio Igor Bogani9c67d282010-03-13 18:35:14 +010094 struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
Oliver Neukum0ffbbe22007-07-09 12:03:08 -070095};
96
Ian Abbott8f977e42005-06-20 16:45:42 +010097/* struct ftdi_sio_quirk is used by devices requiring special attention. */
98struct ftdi_sio_quirk {
Tony Lindgrenfa91d432007-05-04 18:23:24 -070099 int (*probe)(struct usb_serial *);
Alan Cox464cbb22008-07-22 11:11:23 +0100100 /* Special settings for probed ports. */
101 void (*port_probe)(struct ftdi_private *);
Ian Abbott8f977e42005-06-20 16:45:42 +0100102};
103
Alan Cox464cbb22008-07-22 11:11:23 +0100104static int ftdi_jtag_probe(struct usb_serial *serial);
105static int ftdi_mtxorb_hack_setup(struct usb_serial *serial);
Martin Geleynseb760dac2009-07-02 13:10:35 -0400106static int ftdi_NDI_device_setup(struct usb_serial *serial);
Alan Cox464cbb22008-07-22 11:11:23 +0100107static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
108static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
Ian Abbott8f977e42005-06-20 16:45:42 +0100109
Harald Welte20734342008-01-01 15:08:35 +0100110static struct ftdi_sio_quirk ftdi_jtag_quirk = {
111 .probe = ftdi_jtag_probe,
Tony Lindgrenfa91d432007-05-04 18:23:24 -0700112};
113
Kevin Vance546d7ee2008-03-01 13:49:59 -0500114static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
115 .probe = ftdi_mtxorb_hack_setup,
116};
117
Martin Geleynseb760dac2009-07-02 13:10:35 -0400118static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
119 .probe = ftdi_NDI_device_setup,
120};
121
Ian Abbott8f977e42005-06-20 16:45:42 +0100122static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
Oliver Neukum0ffbbe22007-07-09 12:03:08 -0700123 .port_probe = ftdi_USB_UIRT_setup,
Ian Abbott8f977e42005-06-20 16:45:42 +0100124};
125
126static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
Oliver Neukum0ffbbe22007-07-09 12:03:08 -0700127 .port_probe = ftdi_HE_TIRA1_setup,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128};
129
130/*
131 * The 8U232AM has the same API as the sio except for:
132 * - it can support MUCH higher baudrates; up to:
133 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
134 * o 230400 at 12MHz
135 * so .. 8U232AM's baudrate setting codes are different
136 * - it has a two byte status code.
137 * - it returns characters every 16ms (the FTDI does it every 40ms)
138 *
139 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
140 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
141 * combinations in both tables.
Ian Abbott8f977e42005-06-20 16:45:42 +0100142 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
143 * but I don't know if those ever went into mass production. [Ian Abbott]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 */
145
146
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100148/*
149 * Device ID not listed? Test via module params product/vendor or
150 * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
151 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152static struct usb_device_id id_table_combined [] = {
Jonathan Davies2011e922006-08-09 10:48:03 +0100153 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
154 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
Andrew Ewert01ba0852008-12-04 09:09:59 -0600155 { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100156 { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
Peter Mack6e1ab3e2008-04-22 13:25:11 +0200157 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
158 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
159 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
160 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
161 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
162 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
163 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
164 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
Razvan Gavril72a9f952006-05-04 11:35:49 +0300165 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
Luiz Fernando N. Capitulino69737df2006-04-11 15:52:41 -0300167 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
Luiz Fernando N. Capitulinod0993212007-06-21 22:34:23 -0300168 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
Frank Sievertsenfad14a02006-10-20 09:43:53 +0200169 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
Gard Spreemannd8b21602007-03-05 00:03:26 +0100173 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
Mark Adamson094c2e62009-04-09 15:03:09 +0100175 { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
Christophe Mariacc0f8d562006-06-23 17:36:21 +0200176 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
Guido Scholz2adb80e2007-05-08 19:52:41 +0200178 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
mail@rainerkeller.deec3815c2009-09-03 11:55:17 +0200179 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
180 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
181 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
183 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
Alan Coxf2ee6952008-12-06 23:46:04 -0800184 { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
186 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
187 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
188 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
189 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
190 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
191 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
192 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
193 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
194 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
195 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
Ian Abbott8f977e42005-06-20 16:45:42 +0100196 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
197 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
198 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
199 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
200 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
201 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
202 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
Folkert van Heusdenb34efee2009-06-19 22:14:42 +0200203 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
Alan Cox464cbb22008-07-22 11:11:23 +0100204 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
205 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
206 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
207 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
208 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
209 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
210 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
211 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
212 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
213 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
214 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
215 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
216 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
217 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
218 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
219 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
220 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
221 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
222 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
227 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
233 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
239 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
241 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
242 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
Kevin Vance546d7ee2008-03-01 13:49:59 -0500244 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100245 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
247 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
248 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600250 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
254 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
273 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
275 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
277 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
279 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
281 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
283 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
285 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
287 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
288 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
289 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600290 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100291 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600292 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100293 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600294 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100295 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600296 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100297 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600298 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
Ray Molenkampebb37702008-05-21 17:06:26 -0600300 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
Alan Cox464cbb22008-07-22 11:11:23 +0100301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
302 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
304 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
451 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
452 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
453 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
454 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
455 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
456 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
457 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
458 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
459 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
460 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
461 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
462 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
463 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
464 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
465 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
466 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
467 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
Ian Abbott8f977e42005-06-20 16:45:42 +0100468 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
Dave Platt274a4bb2006-07-18 21:26:54 -0700470 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
Jelle Foks868e4402007-03-25 21:08:35 -0400471 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
473 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
474 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
475 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
Justin Carlsona1484822006-09-24 11:52:12 +0300476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
492 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
493 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
494 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
495 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
496 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
497 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
498 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
499 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
500 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
501 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
502 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
503 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
504 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
505 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
506 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
507 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
508 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
509 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
510 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
511 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
512 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
513 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
514 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
515 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
516 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
517 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
518 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
519 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
520 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
Ian Abbott8f977e42005-06-20 16:45:42 +0100521 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
522 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
523 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
524 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
526 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
527 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
528 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
Ian Abbott8f977e42005-06-20 16:45:42 +0100529 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
530 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
531 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
532 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
533 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
534 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
535 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
536 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
537 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
538 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
539 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
540 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
541 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
542 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
543 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
544 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
Ian Abbott47900742005-05-17 15:12:13 +0100546 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
Ian Abbotte6ac4a42005-08-02 14:01:27 +0100547 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
548 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
Thomas Riewe207c47e2005-09-29 14:57:29 +0200549 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
Martin Hagelinbde62182005-10-26 21:10:41 +0200550 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
Thomas Schleusener4eaf60e2007-02-28 22:50:52 +0100551 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
552 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
553 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
554 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
555 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
556 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
557 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
558 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
Ian Abbotte6ac4a42005-08-02 14:01:27 +0100559 /*
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100560 * ELV devices:
Ian Abbotte6ac4a42005-08-02 14:01:27 +0100561 */
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100562 { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
563 { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
564 { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
565 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
566 { USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
567 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
568 { USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
569 { USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
Peter Stark42f8aa92007-12-25 18:32:08 +0100570 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
571 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
572 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
573 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
574 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
575 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
576 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
577 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
578 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
579 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
580 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
581 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
582 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
583 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
584 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
585 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100586 { USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
Peter Stark42f8aa92007-12-25 18:32:08 +0100587 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100588 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
Peter Stark42f8aa92007-12-25 18:32:08 +0100589 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
Sven Andersen4ae897d2008-03-04 22:09:11 +0100590 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
Peter Stark42f8aa92007-12-25 18:32:08 +0100591 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
André Schenkb5894a52008-07-28 15:48:46 +0200592 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
Andreas Mohr65e1ec62010-01-17 11:45:38 +0100593 { USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
594 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
595 { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
596 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
David Brownell5c09d142006-10-13 15:57:58 -0700597 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
598 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
599 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
600 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
601 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
602 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
603 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
Jan Capekec434e92006-11-28 22:35:12 +0100604 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
Jan Capek9d37ff62009-06-10 18:58:52 +0200605 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
606 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
607 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
609 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
610 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
611 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
Ian Abbotte6ac4a42005-08-02 14:01:27 +0100612 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700613 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
Vladimir Vukicevicc3d36c42008-10-03 17:08:43 -0700614 { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
Michael Olbergef31fec2007-02-27 12:57:12 +0100615 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
Ian Abbott6f928722005-04-29 16:06:14 +0100616 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
Daniel Sangorrin46b72d72010-02-22 11:03:11 +0900617 { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
619 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
620 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
Cliff Brakea8cbd902009-12-01 09:53:42 -0500621 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
622 { USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
623 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
624 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
625 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
626 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
627 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
628 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
629 { USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
630 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
631 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
632 { USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
633 { USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
634 { USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700635 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
Ian Abbott6f928722005-04-29 16:06:14 +0100636 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
637 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
Ian Abbotte6ac4a42005-08-02 14:01:27 +0100638 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
639 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
640 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
641 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
642 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
643 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
644 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
645 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
Ian Abbott6f928722005-04-29 16:06:14 +0100646 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
Ian Abbott8f977e42005-06-20 16:45:42 +0100647 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
Ian Abbott34d1a8a2006-02-27 14:05:32 +0000648 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
649 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
Ian Abbott9b1513d2005-07-29 12:16:31 -0700650 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
651 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
Ian Abbott34d1a8a2006-02-27 14:05:32 +0000652 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
653 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
654 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
655 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
Ian Abbott740a4282005-12-13 16:18:47 +0000656 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
657 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
Ian Abbott9b1513d2005-07-29 12:16:31 -0700658 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
Søren Haubergc1f8ea72007-08-08 10:50:17 +0200659 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
660 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
Daniel Sangorrindee56582010-03-11 14:10:58 -0800661 { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
Rui Santosc9c77462005-09-23 20:06:50 +0100662 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
663 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
Rui Santos09c280a2006-01-09 13:12:40 +0000664 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
Rui Santosc9c77462005-09-23 20:06:50 +0100665 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
Rui Santos09c280a2006-01-09 13:12:40 +0000666 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
Franco Lanza34910432007-12-26 03:29:33 +0100667 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
Ian Abbottb4723ae2005-11-23 15:45:23 -0800668 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
669 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
Pavel Fedineffac8b2005-12-09 09:30:59 +0300670 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
Louis Nyffenegger641adaa2006-01-05 17:20:37 +0100671 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
Ian Abbott7e1c0b82006-03-21 14:55:20 +0000672 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
Ian Abbotta94b52a2006-01-09 17:11:40 +0000673 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
674 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
Wouter Paesence40d292006-01-03 14:30:31 +0100675 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
Nathan Bronsoncdd3b152006-04-10 00:05:09 -0400676 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
Ian Abbott7e0258f2006-04-12 15:20:35 +0100677 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
A. Maitland Bottomsbf58fbd2006-03-14 18:44:23 -0500678 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
Folkert van Heusden62a13db2006-03-28 20:41:26 +0900679 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
Ian Abbott20a0f472006-05-04 11:34:25 +0100680 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
Ian Abbotteb79b4f2006-05-30 12:36:30 +0100681 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
D. Peter Siddons48437482006-06-17 18:09:15 -0400682 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
Colin Leroye1979fe2006-07-11 11:36:43 +0200683 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
Ralf Schlatterbeckeaede2c2006-09-06 12:15:02 +0200684 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
Ian Abbott9978f9e2006-09-25 14:19:19 +0100685 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
686 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
687 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
Kjell Myksvoll40c36092006-10-22 23:26:42 +0200688 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
Martin Geleynseb760dac2009-07-02 13:10:35 -0400689 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
690 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
691 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
692 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
693 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
694 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
695 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
696 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
697 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
698 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
Micke Prag822c7ef2007-02-04 23:39:11 +0100699 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
Neil \"Superna\" ARMSTRONG762e92f2007-04-25 20:34:28 +0200700 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
Lex Rossa5f62392008-08-06 16:25:08 +0400701 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
Pierre Castellad7fde2d2007-09-06 22:34:39 +0200702 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
Ed Beroset4bb0ef12008-01-17 17:37:46 -0500703 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
Mirko Bordignon11171d12008-03-10 11:38:55 +0100704 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
Tony Lindgrenfa91d432007-05-04 18:23:24 -0700705 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
Harald Welte20734342008-01-01 15:08:35 +0100706 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
707 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
708 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
709 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
710 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Frederik Kriewitza00c3ca2008-07-30 16:53:41 +0200711 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
712 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
713 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
714 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Krzysztof Halasa14511412009-07-10 01:06:23 +0200715 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
716 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Atsushi Nemoto26ab7052008-05-17 00:13:56 +0900717 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
Jon K Hellan25423352008-06-24 11:43:13 +0200718 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
Jaroslav Kyselaa18f80b2008-09-16 15:46:50 +0200719 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
Radek Liboskaa7787e52010-01-27 15:38:34 +0100720 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
Gaetan Carlier96285cb2008-09-22 15:00:09 -0700721 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
722 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
Robie Basak45eeff82009-01-12 23:05:59 +0000723 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
Mhayk Whandsonca808012009-01-09 06:48:16 -0400724 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
Axel Wachtler7f82b6d2009-03-05 14:09:22 -0800725 { USB_DEVICE(ATMEL_VID, STK541_PID) },
726 { USB_DEVICE(DE_VID, STB_PID) },
727 { USB_DEVICE(DE_VID, WHT_PID) },
Michael Hennerichb0d659002009-03-06 14:07:43 -0800728 { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
729 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Michael Hennerich11eaf172009-09-14 10:39:53 -0400730 { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
731 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Peter Korsgaardae27d842009-03-25 11:32:59 +0100732 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
Nicolas Pitre1002bb72009-04-23 22:38:12 -0400733 { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
734 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Daniel Suchyd46130a2009-05-13 10:05:48 +0200735 { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
Ville Sundbergfca44042009-07-15 00:27:28 +0300736 { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
Marko Hänninenc47aacc62009-07-31 22:32:39 +0300737 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
Dhaval Vasa50d06782009-08-07 17:26:49 +0530738 { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
739 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
Pawel Ludwikowe7d7fcc2009-08-27 14:15:50 +0200740 { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
741 { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
Mitchell Solomon97140802010-02-12 13:23:18 -0500742 { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
743 { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
744 { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
745 { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
Ian Abbottfdcb0a02005-07-28 18:40:32 +0100746 { }, /* Optional parameter entry */
747 { } /* Terminating entry */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748};
749
Alan Cox464cbb22008-07-22 11:11:23 +0100750MODULE_DEVICE_TABLE(usb, id_table_combined);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751
752static struct usb_driver ftdi_driver = {
753 .name = "ftdi_sio",
754 .probe = usb_serial_probe,
755 .disconnect = usb_serial_disconnect,
756 .id_table = id_table_combined,
David Brownell5c09d142006-10-13 15:57:58 -0700757 .no_dynamic_id = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758};
759
Arjan van de Ven4c4c9432005-11-29 09:43:42 +0100760static const char *ftdi_chip_name[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761 [SIO] = "SIO", /* the serial part of FT8U100AX */
762 [FT8U232AM] = "FT8U232AM",
763 [FT232BM] = "FT232BM",
764 [FT2232C] = "FT2232C",
Gard Spreemannd8b21602007-03-05 00:03:26 +0100765 [FT232RL] = "FT232RL",
Mark Adamson094c2e62009-04-09 15:03:09 +0100766 [FT2232H] = "FT2232H",
767 [FT4232H] = "FT4232H"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700768};
769
770
771/* Constants for read urb and write urb */
772#define BUFSZ 512
Linus Torvalds1da177e2005-04-16 15:20:36 -0700773
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774/* Used for TIOCMIWAIT */
775#define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
776#define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
777/* End TIOCMIWAIT */
778
Roel Kluinbbc5d272008-02-07 01:06:07 +0100779#define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
780 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781
782/* function prototypes for a FTDI serial converter */
Alan Cox464cbb22008-07-22 11:11:23 +0100783static int ftdi_sio_probe(struct usb_serial *serial,
784 const struct usb_device_id *id);
Alan Cox464cbb22008-07-22 11:11:23 +0100785static int ftdi_sio_port_probe(struct usb_serial_port *port);
786static int ftdi_sio_port_remove(struct usb_serial_port *port);
Alan Coxa509a7e2009-09-19 13:13:26 -0700787static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
Alan Cox335f8512009-06-11 12:26:29 +0100788static void ftdi_close(struct usb_serial_port *port);
789static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
Alan Cox464cbb22008-07-22 11:11:23 +0100790static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
791 const unsigned char *buf, int count);
792static int ftdi_write_room(struct tty_struct *tty);
793static int ftdi_chars_in_buffer(struct tty_struct *tty);
794static void ftdi_write_bulk_callback(struct urb *urb);
795static void ftdi_read_bulk_callback(struct urb *urb);
Johan Hovoldcc01f172009-10-07 20:05:07 +0200796static void ftdi_process_read(struct usb_serial_port *port);
Alan Cox464cbb22008-07-22 11:11:23 +0100797static void ftdi_set_termios(struct tty_struct *tty,
798 struct usb_serial_port *port, struct ktermios *old);
799static int ftdi_tiocmget(struct tty_struct *tty, struct file *file);
800static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
801 unsigned int set, unsigned int clear);
802static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
803 unsigned int cmd, unsigned long arg);
804static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
805static void ftdi_throttle(struct tty_struct *tty);
806static void ftdi_unthrottle(struct tty_struct *tty);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700807
Alan Cox464cbb22008-07-22 11:11:23 +0100808static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
809static unsigned short int ftdi_232am_baud_to_divisor(int baud);
810static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
811static __u32 ftdi_232bm_baud_to_divisor(int baud);
Mark Adamson094c2e62009-04-09 15:03:09 +0100812static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
813static __u32 ftdi_2232h_baud_to_divisor(int baud);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700814
Greg Kroah-Hartmanea653702005-06-20 21:15:16 -0700815static struct usb_serial_driver ftdi_sio_device = {
Greg Kroah-Hartman18fcac32005-06-20 21:15:16 -0700816 .driver = {
817 .owner = THIS_MODULE,
Greg Kroah-Hartman269bda12005-06-20 21:15:16 -0700818 .name = "ftdi_sio",
Greg Kroah-Hartman18fcac32005-06-20 21:15:16 -0700819 },
Greg Kroah-Hartman269bda12005-06-20 21:15:16 -0700820 .description = "FTDI USB Serial Device",
Andreas Mohr330e3c42010-01-17 11:45:57 +0100821 .usb_driver = &ftdi_driver,
Ian Abbott8f977e42005-06-20 16:45:42 +0100822 .id_table = id_table_combined,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823 .num_ports = 1,
Ian Abbott8f977e42005-06-20 16:45:42 +0100824 .probe = ftdi_sio_probe,
Jim Radford12bdbe02007-02-28 10:10:50 -0800825 .port_probe = ftdi_sio_port_probe,
826 .port_remove = ftdi_sio_port_remove,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700827 .open = ftdi_open,
828 .close = ftdi_close,
Alan Cox335f8512009-06-11 12:26:29 +0100829 .dtr_rts = ftdi_dtr_rts,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700830 .throttle = ftdi_throttle,
831 .unthrottle = ftdi_unthrottle,
832 .write = ftdi_write,
833 .write_room = ftdi_write_room,
834 .chars_in_buffer = ftdi_chars_in_buffer,
835 .read_bulk_callback = ftdi_read_bulk_callback,
836 .write_bulk_callback = ftdi_write_bulk_callback,
Andreas Mohr330e3c42010-01-17 11:45:57 +0100837 .tiocmget = ftdi_tiocmget,
838 .tiocmset = ftdi_tiocmset,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700839 .ioctl = ftdi_ioctl,
840 .set_termios = ftdi_set_termios,
841 .break_ctl = ftdi_break_ctl,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842};
843
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844
845#define WDR_TIMEOUT 5000 /* default urb timeout */
Ian Abbott279e1542005-07-29 12:16:52 -0700846#define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700847
848/* High and low are for DTR, RTS etc etc */
849#define HIGH 1
850#define LOW 0
851
Ian Abbott22465402006-06-26 12:59:17 +0100852/* number of outstanding urbs to prevent userspace DoS from happening */
853#define URB_UPPER_LIMIT 42
854
Linus Torvalds1da177e2005-04-16 15:20:36 -0700855/*
856 * ***************************************************************************
Tony Lindgrenfa91d432007-05-04 18:23:24 -0700857 * Utility functions
Linus Torvalds1da177e2005-04-16 15:20:36 -0700858 * ***************************************************************************
859 */
860
861static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
862{
863 unsigned short int divisor;
Alan Cox464cbb22008-07-22 11:11:23 +0100864 /* divisor shifted 3 bits to the left */
865 int divisor3 = base / 2 / baud;
866 if ((divisor3 & 0x7) == 7)
867 divisor3++; /* round x.7/8 up to x+1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868 divisor = divisor3 >> 3;
869 divisor3 &= 0x7;
Alan Cox464cbb22008-07-22 11:11:23 +0100870 if (divisor3 == 1)
871 divisor |= 0xc000;
872 else if (divisor3 >= 4)
873 divisor |= 0x4000;
874 else if (divisor3 != 0)
875 divisor |= 0x8000;
876 else if (divisor == 1)
877 divisor = 0; /* special case for maximum baud rate */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700878 return divisor;
879}
880
881static unsigned short int ftdi_232am_baud_to_divisor(int baud)
882{
Alan Cox464cbb22008-07-22 11:11:23 +0100883 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700884}
885
886static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
887{
888 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
889 __u32 divisor;
Alan Cox464cbb22008-07-22 11:11:23 +0100890 /* divisor shifted 3 bits to the left */
891 int divisor3 = base / 2 / baud;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700892 divisor = divisor3 >> 3;
893 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
894 /* Deal with special cases for highest baud rates. */
Alan Cox464cbb22008-07-22 11:11:23 +0100895 if (divisor == 1)
896 divisor = 0;
897 else if (divisor == 0x4001)
898 divisor = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700899 return divisor;
900}
901
902static __u32 ftdi_232bm_baud_to_divisor(int baud)
903{
Alan Cox464cbb22008-07-22 11:11:23 +0100904 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905}
906
Mark Adamson094c2e62009-04-09 15:03:09 +0100907static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
908{
909 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
910 __u32 divisor;
911 int divisor3;
912
913 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
914 divisor3 = (base / 10 / baud) * 8;
915
916 divisor = divisor3 >> 3;
917 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
918 /* Deal with special cases for highest baud rates. */
919 if (divisor == 1)
920 divisor = 0;
921 else if (divisor == 0x4001)
922 divisor = 1;
923 /*
924 * Set this bit to turn off a divide by 2.5 on baud rate generator
925 * This enables baud rates up to 12Mbaud but cannot reach below 1200
926 * baud with this bit set
927 */
928 divisor |= 0x00020000;
929 return divisor;
930}
931
932static __u32 ftdi_2232h_baud_to_divisor(int baud)
933{
934 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
935}
936
Ian Abbott74ede0f2005-07-29 12:16:41 -0700937#define set_mctrl(port, set) update_mctrl((port), (set), 0)
938#define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
939
Alan Cox464cbb22008-07-22 11:11:23 +0100940static int update_mctrl(struct usb_serial_port *port, unsigned int set,
941 unsigned int clear)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942{
943 struct ftdi_private *priv = usb_get_serial_port_data(port);
Ian Abbott74ede0f2005-07-29 12:16:41 -0700944 unsigned urb_value;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945 int rv;
Ian Abbott74ede0f2005-07-29 12:16:41 -0700946
947 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800948 dbg("%s - DTR|RTS not being set|cleared", __func__);
Ian Abbott74ede0f2005-07-29 12:16:41 -0700949 return 0; /* no change */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700950 }
Ian Abbott74ede0f2005-07-29 12:16:41 -0700951
Ian Abbott74ede0f2005-07-29 12:16:41 -0700952 clear &= ~set; /* 'set' takes precedence over 'clear' */
953 urb_value = 0;
954 if (clear & TIOCM_DTR)
955 urb_value |= FTDI_SIO_SET_DTR_LOW;
956 if (clear & TIOCM_RTS)
957 urb_value |= FTDI_SIO_SET_RTS_LOW;
958 if (set & TIOCM_DTR)
959 urb_value |= FTDI_SIO_SET_DTR_HIGH;
960 if (set & TIOCM_RTS)
961 urb_value |= FTDI_SIO_SET_RTS_HIGH;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700962 rv = usb_control_msg(port->serial->dev,
963 usb_sndctrlpipe(port->serial->dev, 0),
David Brownell5c09d142006-10-13 15:57:58 -0700964 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700965 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
Ian Abbott74ede0f2005-07-29 12:16:41 -0700966 urb_value, priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +0100967 NULL, 0, WDR_TIMEOUT);
Ian Abbott74ede0f2005-07-29 12:16:41 -0700968 if (rv < 0) {
Alan Cox43b11d32008-10-13 10:36:00 +0100969 dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
Harvey Harrison441b62c2008-03-03 16:08:34 -0800970 __func__,
Ian Abbott74ede0f2005-07-29 12:16:41 -0700971 (set & TIOCM_DTR) ? "HIGH" :
972 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
973 (set & TIOCM_RTS) ? "HIGH" :
974 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700975 } else {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800976 dbg("%s - DTR %s, RTS %s", __func__,
Ian Abbott74ede0f2005-07-29 12:16:41 -0700977 (set & TIOCM_DTR) ? "HIGH" :
978 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
979 (set & TIOCM_RTS) ? "HIGH" :
980 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
Alan Cox9b0f2582008-02-20 20:49:53 +0000981 /* FIXME: locking on last_dtr_rts */
Ian Abbott74ede0f2005-07-29 12:16:41 -0700982 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700984 return rv;
985}
986
987
Alan Cox464cbb22008-07-22 11:11:23 +0100988static __u32 get_ftdi_divisor(struct tty_struct *tty,
989 struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700990{ /* get_ftdi_divisor */
991 struct ftdi_private *priv = usb_get_serial_port_data(port);
992 __u32 div_value = 0;
993 int div_okay = 1;
994 int baud;
995
996 /*
Alan Cox464cbb22008-07-22 11:11:23 +0100997 * The logic involved in setting the baudrate can be cleanly split into
998 * 3 steps.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999 * 1. Standard baud rates are set in tty->termios->c_cflag
Alan Cox464cbb22008-07-22 11:11:23 +01001000 * 2. If these are not enough, you can set any speed using alt_speed as
1001 * follows:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001002 * - set tty->termios->c_cflag speed to B38400
1003 * - set your real speed in tty->alt_speed; it gets ignored when
1004 * alt_speed==0, (or)
Alan Cox464cbb22008-07-22 11:11:23 +01001005 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1006 * follows:
1007 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1008 * this just sets alt_speed to (HI: 57600, VHI: 115200,
1009 * SHI: 230400, WARP: 460800)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001010 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1011 * 3. You can also set baud rate by setting custom divisor as follows
1012 * - set tty->termios->c_cflag speed to B38400
Alan Cox464cbb22008-07-22 11:11:23 +01001013 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1014 * follows:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001015 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1016 * o custom_divisor set to baud_base / your_new_baudrate
Alan Cox464cbb22008-07-22 11:11:23 +01001017 * ** Step 3 is done courtesy of code borrowed from serial.c
1018 * I should really spend some time and separate + move this common
1019 * code to serial.c, it is replicated in nearly every serial driver
1020 * you see.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001021 */
1022
Alan Cox464cbb22008-07-22 11:11:23 +01001023 /* 1. Get the baud rate from the tty settings, this observes
1024 alt_speed hack */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001025
Alan Cox95da3102008-07-22 11:09:07 +01001026 baud = tty_get_baud_rate(tty);
Harvey Harrison441b62c2008-03-03 16:08:34 -08001027 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028
Alan Cox464cbb22008-07-22 11:11:23 +01001029 /* 2. Observe async-compatible custom_divisor hack, update baudrate
1030 if needed */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031
1032 if (baud == 38400 &&
1033 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1034 (priv->custom_divisor)) {
1035 baud = priv->baud_base / priv->custom_divisor;
Alan Cox464cbb22008-07-22 11:11:23 +01001036 dbg("%s - custom divisor %d sets baud rate to %d",
1037 __func__, priv->custom_divisor, baud);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038 }
1039
1040 /* 3. Convert baudrate to device-specific divisor */
1041
Alan Cox464cbb22008-07-22 11:11:23 +01001042 if (!baud)
1043 baud = 9600;
1044 switch (priv->chip_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045 case SIO: /* SIO chip */
Alan Cox464cbb22008-07-22 11:11:23 +01001046 switch (baud) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001047 case 300: div_value = ftdi_sio_b300; break;
1048 case 600: div_value = ftdi_sio_b600; break;
1049 case 1200: div_value = ftdi_sio_b1200; break;
1050 case 2400: div_value = ftdi_sio_b2400; break;
1051 case 4800: div_value = ftdi_sio_b4800; break;
1052 case 9600: div_value = ftdi_sio_b9600; break;
1053 case 19200: div_value = ftdi_sio_b19200; break;
1054 case 38400: div_value = ftdi_sio_b38400; break;
1055 case 57600: div_value = ftdi_sio_b57600; break;
1056 case 115200: div_value = ftdi_sio_b115200; break;
1057 } /* baud */
1058 if (div_value == 0) {
Alan Cox464cbb22008-07-22 11:11:23 +01001059 dbg("%s - Baudrate (%d) requested is not supported",
1060 __func__, baud);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001061 div_value = ftdi_sio_b9600;
Andrew Mortonbd5e47c2007-10-18 01:24:25 -07001062 baud = 9600;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001063 div_okay = 0;
1064 }
1065 break;
1066 case FT8U232AM: /* 8U232AM chip */
1067 if (baud <= 3000000) {
1068 div_value = ftdi_232am_baud_to_divisor(baud);
1069 } else {
Alan Cox464cbb22008-07-22 11:11:23 +01001070 dbg("%s - Baud rate too high!", __func__);
Andrew Mortonbd5e47c2007-10-18 01:24:25 -07001071 baud = 9600;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001072 div_value = ftdi_232am_baud_to_divisor(9600);
1073 div_okay = 0;
1074 }
1075 break;
1076 case FT232BM: /* FT232BM chip */
1077 case FT2232C: /* FT2232C chip */
David Brownell3b009c62007-03-23 12:54:27 -07001078 case FT232RL:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001079 if (baud <= 3000000) {
Martin Geleynseb760dac2009-07-02 13:10:35 -04001080 __u16 product_id = le16_to_cpu(
1081 port->serial->dev->descriptor.idProduct);
1082 if (((FTDI_NDI_HUC_PID == product_id) ||
1083 (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1084 (FTDI_NDI_FUTURE_2_PID == product_id) ||
1085 (FTDI_NDI_FUTURE_3_PID == product_id) ||
1086 (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1087 (baud == 19200)) {
1088 baud = 1200000;
1089 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001090 div_value = ftdi_232bm_baud_to_divisor(baud);
1091 } else {
Alan Cox464cbb22008-07-22 11:11:23 +01001092 dbg("%s - Baud rate too high!", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093 div_value = ftdi_232bm_baud_to_divisor(9600);
1094 div_okay = 0;
Alan Cox669a6db2007-10-18 01:24:24 -07001095 baud = 9600;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001096 }
1097 break;
Mark Adamson094c2e62009-04-09 15:03:09 +01001098 case FT2232H: /* FT2232H chip */
1099 case FT4232H: /* FT4232H chip */
1100 if ((baud <= 12000000) & (baud >= 1200)) {
1101 div_value = ftdi_2232h_baud_to_divisor(baud);
1102 } else if (baud < 1200) {
1103 div_value = ftdi_232bm_baud_to_divisor(baud);
1104 } else {
1105 dbg("%s - Baud rate too high!", __func__);
1106 div_value = ftdi_232bm_baud_to_divisor(9600);
1107 div_okay = 0;
1108 baud = 9600;
1109 }
1110 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001111 } /* priv->chip_type */
1112
1113 if (div_okay) {
1114 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
Harvey Harrison441b62c2008-03-03 16:08:34 -08001115 __func__, baud, (unsigned long)div_value,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001116 ftdi_chip_name[priv->chip_type]);
1117 }
1118
Alan Cox95da3102008-07-22 11:09:07 +01001119 tty_encode_baud_rate(tty, baud, baud);
Alan Cox464cbb22008-07-22 11:11:23 +01001120 return div_value;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001121}
1122
Alan Cox95da3102008-07-22 11:09:07 +01001123static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1124{
1125 struct ftdi_private *priv = usb_get_serial_port_data(port);
Alan Cox464cbb22008-07-22 11:11:23 +01001126 __u16 urb_value;
Alan Cox95da3102008-07-22 11:09:07 +01001127 __u16 urb_index;
1128 __u32 urb_index_value;
1129 int rv;
1130
Alan Cox95da3102008-07-22 11:09:07 +01001131 urb_index_value = get_ftdi_divisor(tty, port);
1132 urb_value = (__u16)urb_index_value;
1133 urb_index = (__u16)(urb_index_value >> 16);
1134 if (priv->interface) { /* FT2232C */
1135 urb_index = (__u16)((urb_index << 8) | priv->interface);
1136 }
1137
1138 rv = usb_control_msg(port->serial->dev,
1139 usb_sndctrlpipe(port->serial->dev, 0),
1140 FTDI_SIO_SET_BAUDRATE_REQUEST,
1141 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1142 urb_value, urb_index,
Johan Hovold66e47e62009-12-24 12:42:09 +01001143 NULL, 0, WDR_SHORT_TIMEOUT);
Alan Cox95da3102008-07-22 11:09:07 +01001144 return rv;
1145}
1146
Alan Cox557aaa72009-06-11 13:55:34 +01001147static int write_latency_timer(struct usb_serial_port *port)
1148{
1149 struct ftdi_private *priv = usb_get_serial_port_data(port);
1150 struct usb_device *udev = port->serial->dev;
Johan Hovoldc1284d72009-12-24 12:42:11 +01001151 int rv;
Alan Cox557aaa72009-06-11 13:55:34 +01001152 int l = priv->latency;
Alan Cox95da3102008-07-22 11:09:07 +01001153
Alan Cox557aaa72009-06-11 13:55:34 +01001154 if (priv->flags & ASYNC_LOW_LATENCY)
1155 l = 1;
1156
1157 dbg("%s: setting latency timer = %i", __func__, l);
1158
1159 rv = usb_control_msg(udev,
1160 usb_sndctrlpipe(udev, 0),
1161 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1162 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1163 l, priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +01001164 NULL, 0, WDR_TIMEOUT);
Alan Cox557aaa72009-06-11 13:55:34 +01001165 if (rv < 0)
1166 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1167 return rv;
1168}
1169
1170static int read_latency_timer(struct usb_serial_port *port)
1171{
1172 struct ftdi_private *priv = usb_get_serial_port_data(port);
1173 struct usb_device *udev = port->serial->dev;
Johan Hovold54f328d2009-12-24 12:42:08 +01001174 unsigned char *buf;
Johan Hovoldc1284d72009-12-24 12:42:11 +01001175 int rv;
Alan Cox557aaa72009-06-11 13:55:34 +01001176
Alan Cox557aaa72009-06-11 13:55:34 +01001177 dbg("%s", __func__);
1178
Johan Hovold54f328d2009-12-24 12:42:08 +01001179 buf = kmalloc(1, GFP_KERNEL);
1180 if (!buf)
1181 return -ENOMEM;
1182
Alan Cox557aaa72009-06-11 13:55:34 +01001183 rv = usb_control_msg(udev,
1184 usb_rcvctrlpipe(udev, 0),
1185 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1186 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1187 0, priv->interface,
Johan Hovold54f328d2009-12-24 12:42:08 +01001188 buf, 1, WDR_TIMEOUT);
Johan Hovold43573692009-12-24 12:42:07 +01001189 if (rv < 0)
Alan Cox557aaa72009-06-11 13:55:34 +01001190 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
Johan Hovold43573692009-12-24 12:42:07 +01001191 else
Johan Hovold54f328d2009-12-24 12:42:08 +01001192 priv->latency = buf[0];
1193
1194 kfree(buf);
1195
Johan Hovold8c4f99c2009-11-22 21:25:20 +01001196 return rv;
Alan Cox557aaa72009-06-11 13:55:34 +01001197}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001198
Alan Cox464cbb22008-07-22 11:11:23 +01001199static int get_serial_info(struct usb_serial_port *port,
1200 struct serial_struct __user *retinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001201{
1202 struct ftdi_private *priv = usb_get_serial_port_data(port);
1203 struct serial_struct tmp;
1204
1205 if (!retinfo)
1206 return -EFAULT;
1207 memset(&tmp, 0, sizeof(tmp));
1208 tmp.flags = priv->flags;
1209 tmp.baud_base = priv->baud_base;
1210 tmp.custom_divisor = priv->custom_divisor;
1211 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1212 return -EFAULT;
1213 return 0;
1214} /* get_serial_info */
1215
1216
Alan Cox95da3102008-07-22 11:09:07 +01001217static int set_serial_info(struct tty_struct *tty,
Alan Cox464cbb22008-07-22 11:11:23 +01001218 struct usb_serial_port *port, struct serial_struct __user *newinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001219{ /* set_serial_info */
1220 struct ftdi_private *priv = usb_get_serial_port_data(port);
1221 struct serial_struct new_serial;
1222 struct ftdi_private old_priv;
1223
1224 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1225 return -EFAULT;
Alan Cox6b447f042009-01-02 13:48:56 +00001226
Alessio Igor Boganibd09a9f2010-02-02 16:18:28 +01001227 mutex_lock(&priv->cfg_lock);
Alan Cox464cbb22008-07-22 11:11:23 +01001228 old_priv = *priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001229
1230 /* Do error checking and permission checking */
1231
1232 if (!capable(CAP_SYS_ADMIN)) {
1233 if (((new_serial.flags & ~ASYNC_USR_MASK) !=
Dan Carpenter64905b42009-02-03 11:11:38 +03001234 (priv->flags & ~ASYNC_USR_MASK))) {
Alessio Igor Boganibd09a9f2010-02-02 16:18:28 +01001235 mutex_unlock(&priv->cfg_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001236 return -EPERM;
Dan Carpenter64905b42009-02-03 11:11:38 +03001237 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001238 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1239 (new_serial.flags & ASYNC_USR_MASK));
1240 priv->custom_divisor = new_serial.custom_divisor;
1241 goto check_and_exit;
1242 }
1243
1244 if ((new_serial.baud_base != priv->baud_base) &&
Alan Cox6b447f042009-01-02 13:48:56 +00001245 (new_serial.baud_base < 9600)) {
Alessio Igor Boganibd09a9f2010-02-02 16:18:28 +01001246 mutex_unlock(&priv->cfg_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001247 return -EINVAL;
Alan Cox6b447f042009-01-02 13:48:56 +00001248 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001249
1250 /* Make the changes - these are privileged changes! */
1251
1252 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
Alan Cox464cbb22008-07-22 11:11:23 +01001253 (new_serial.flags & ASYNC_FLAGS));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001254 priv->custom_divisor = new_serial.custom_divisor;
1255
Alan Cox557aaa72009-06-11 13:55:34 +01001256 write_latency_timer(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001257
1258check_and_exit:
1259 if ((old_priv.flags & ASYNC_SPD_MASK) !=
1260 (priv->flags & ASYNC_SPD_MASK)) {
1261 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
Alan Cox95da3102008-07-22 11:09:07 +01001262 tty->alt_speed = 57600;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001263 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
Alan Cox95da3102008-07-22 11:09:07 +01001264 tty->alt_speed = 115200;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001265 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
Alan Cox95da3102008-07-22 11:09:07 +01001266 tty->alt_speed = 230400;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001267 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
Alan Cox95da3102008-07-22 11:09:07 +01001268 tty->alt_speed = 460800;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001269 else
Alan Cox95da3102008-07-22 11:09:07 +01001270 tty->alt_speed = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001271 }
1272 if (((old_priv.flags & ASYNC_SPD_MASK) !=
1273 (priv->flags & ASYNC_SPD_MASK)) ||
1274 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1275 (old_priv.custom_divisor != priv->custom_divisor))) {
Alan Cox95da3102008-07-22 11:09:07 +01001276 change_speed(tty, port);
Alessio Igor Bogani9c67d282010-03-13 18:35:14 +01001277 mutex_unlock(&priv->cfg_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001278 }
Alan Cox6b447f042009-01-02 13:48:56 +00001279 else
Alessio Igor Boganibd09a9f2010-02-02 16:18:28 +01001280 mutex_unlock(&priv->cfg_lock);
Alan Cox95da3102008-07-22 11:09:07 +01001281 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001282
1283} /* set_serial_info */
1284
1285
Ian Abbott8f977e42005-06-20 16:45:42 +01001286/* Determine type of FTDI chip based on USB config and descriptor. */
1287static void ftdi_determine_type(struct usb_serial_port *port)
1288{
1289 struct ftdi_private *priv = usb_get_serial_port_data(port);
1290 struct usb_serial *serial = port->serial;
1291 struct usb_device *udev = serial->dev;
1292 unsigned version;
1293 unsigned interfaces;
1294
1295 /* Assume it is not the original SIO device for now. */
Ian Abbottf5e09b72005-09-12 12:23:25 +01001296 priv->baud_base = 48000000 / 2;
Ian Abbott8f977e42005-06-20 16:45:42 +01001297 priv->write_offset = 0;
1298
1299 version = le16_to_cpu(udev->descriptor.bcdDevice);
1300 interfaces = udev->actconfig->desc.bNumInterfaces;
Harvey Harrison441b62c2008-03-03 16:08:34 -08001301 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
Ian Abbott8f977e42005-06-20 16:45:42 +01001302 version, interfaces);
1303 if (interfaces > 1) {
1304 int inter;
1305
Mark Adamson094c2e62009-04-09 15:03:09 +01001306 /* Multiple interfaces.*/
1307 if (version == 0x0800) {
1308 priv->chip_type = FT4232H;
1309 /* Hi-speed - baud clock runs at 120MHz */
1310 priv->baud_base = 120000000 / 2;
1311 } else if (version == 0x0700) {
1312 priv->chip_type = FT2232H;
1313 /* Hi-speed - baud clock runs at 120MHz */
1314 priv->baud_base = 120000000 / 2;
1315 } else
1316 priv->chip_type = FT2232C;
1317
Ian Abbott8f977e42005-06-20 16:45:42 +01001318 /* Determine interface code. */
1319 inter = serial->interface->altsetting->desc.bInterfaceNumber;
Mark Adamson094c2e62009-04-09 15:03:09 +01001320 if (inter == 0) {
1321 priv->interface = INTERFACE_A;
1322 } else if (inter == 1) {
1323 priv->interface = INTERFACE_B;
1324 } else if (inter == 2) {
1325 priv->interface = INTERFACE_C;
1326 } else if (inter == 3) {
1327 priv->interface = INTERFACE_D;
1328 }
Ian Abbott8f977e42005-06-20 16:45:42 +01001329 /* BM-type devices have a bug where bcdDevice gets set
1330 * to 0x200 when iSerialNumber is 0. */
1331 if (version < 0x500) {
1332 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
Harvey Harrison441b62c2008-03-03 16:08:34 -08001333 __func__);
Ian Abbott8f977e42005-06-20 16:45:42 +01001334 }
1335 } else if (version < 0x200) {
Andreas Mohr330e3c42010-01-17 11:45:57 +01001336 /* Old device. Assume it's the original SIO. */
Ian Abbott8f977e42005-06-20 16:45:42 +01001337 priv->chip_type = SIO;
1338 priv->baud_base = 12000000 / 16;
1339 priv->write_offset = 1;
1340 } else if (version < 0x400) {
Andreas Mohr330e3c42010-01-17 11:45:57 +01001341 /* Assume it's an FT8U232AM (or FT8U245AM) */
Ian Abbott8f977e42005-06-20 16:45:42 +01001342 /* (It might be a BM because of the iSerialNumber bug,
1343 * but it will still work as an AM device.) */
1344 priv->chip_type = FT8U232AM;
David Brownell3b009c62007-03-23 12:54:27 -07001345 } else if (version < 0x600) {
Andreas Mohr330e3c42010-01-17 11:45:57 +01001346 /* Assume it's an FT232BM (or FT245BM) */
Ian Abbott8f977e42005-06-20 16:45:42 +01001347 priv->chip_type = FT232BM;
David Brownell3b009c62007-03-23 12:54:27 -07001348 } else {
Andreas Mohr330e3c42010-01-17 11:45:57 +01001349 /* Assume it's an FT232R */
David Brownell3b009c62007-03-23 12:54:27 -07001350 priv->chip_type = FT232RL;
Ian Abbott8f977e42005-06-20 16:45:42 +01001351 }
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -07001352 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
Ian Abbott8f977e42005-06-20 16:45:42 +01001353}
1354
1355
Mark Adamson895f28b2009-05-01 11:48:45 +01001356/* Determine the maximum packet size for the device. This depends on the chip
1357 * type and the USB host capabilities. The value should be obtained from the
1358 * device descriptor as the chip will use the appropriate values for the host.*/
1359static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1360{
1361 struct ftdi_private *priv = usb_get_serial_port_data(port);
1362 struct usb_serial *serial = port->serial;
1363 struct usb_device *udev = serial->dev;
1364
1365 struct usb_interface *interface = serial->interface;
1366 struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1367
1368 unsigned num_endpoints;
Johan Hovoldc1284d72009-12-24 12:42:11 +01001369 int i;
Mark Adamson895f28b2009-05-01 11:48:45 +01001370
1371 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1372 dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1373
1374 /* NOTE: some customers have programmed FT232R/FT245R devices
1375 * with an endpoint size of 0 - not good. In this case, we
1376 * want to override the endpoint descriptor setting and use a
1377 * value of 64 for wMaxPacketSize */
1378 for (i = 0; i < num_endpoints; i++) {
1379 dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1380 interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1381 ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1382 if (ep_desc->wMaxPacketSize == 0) {
1383 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1384 dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1385 }
1386 }
1387
1388 /* set max packet size based on descriptor */
1389 priv->max_packet_size = ep_desc->wMaxPacketSize;
1390
1391 dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1392}
1393
1394
Linus Torvalds1da177e2005-04-16 15:20:36 -07001395/*
1396 * ***************************************************************************
1397 * Sysfs Attribute
1398 * ***************************************************************************
1399 */
1400
Alan Cox464cbb22008-07-22 11:11:23 +01001401static ssize_t show_latency_timer(struct device *dev,
1402 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001403{
1404 struct usb_serial_port *port = to_usb_serial_port(dev);
1405 struct ftdi_private *priv = usb_get_serial_port_data(port);
Alan Cox557aaa72009-06-11 13:55:34 +01001406 if (priv->flags & ASYNC_LOW_LATENCY)
1407 return sprintf(buf, "1\n");
1408 else
1409 return sprintf(buf, "%i\n", priv->latency);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001410}
1411
Alan Cox557aaa72009-06-11 13:55:34 +01001412
Linus Torvalds1da177e2005-04-16 15:20:36 -07001413/* Write a new value of the latency timer, in units of milliseconds. */
Alan Cox464cbb22008-07-22 11:11:23 +01001414static ssize_t store_latency_timer(struct device *dev,
1415 struct device_attribute *attr, const char *valbuf,
1416 size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001417{
1418 struct usb_serial_port *port = to_usb_serial_port(dev);
1419 struct ftdi_private *priv = usb_get_serial_port_data(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001420 int v = simple_strtoul(valbuf, NULL, 10);
Johan Hovoldc1284d72009-12-24 12:42:11 +01001421 int rv;
David Brownell5c09d142006-10-13 15:57:58 -07001422
Alan Cox557aaa72009-06-11 13:55:34 +01001423 priv->latency = v;
1424 rv = write_latency_timer(port);
1425 if (rv < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426 return -EIO;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001427 return count;
1428}
1429
1430/* Write an event character directly to the FTDI register. The ASCII
1431 value is in the low 8 bits, with the enable bit in the 9th bit. */
Alan Cox464cbb22008-07-22 11:11:23 +01001432static ssize_t store_event_char(struct device *dev,
1433 struct device_attribute *attr, const char *valbuf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001434{
1435 struct usb_serial_port *port = to_usb_serial_port(dev);
1436 struct ftdi_private *priv = usb_get_serial_port_data(port);
Jim Radford12bdbe02007-02-28 10:10:50 -08001437 struct usb_device *udev = port->serial->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001438 int v = simple_strtoul(valbuf, NULL, 10);
Johan Hovoldc1284d72009-12-24 12:42:11 +01001439 int rv;
David Brownell5c09d142006-10-13 15:57:58 -07001440
Harvey Harrison441b62c2008-03-03 16:08:34 -08001441 dbg("%s: setting event char = %i", __func__, v);
David Brownell5c09d142006-10-13 15:57:58 -07001442
Linus Torvalds1da177e2005-04-16 15:20:36 -07001443 rv = usb_control_msg(udev,
1444 usb_sndctrlpipe(udev, 0),
1445 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1446 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
David Brownell5c09d142006-10-13 15:57:58 -07001447 v, priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +01001448 NULL, 0, WDR_TIMEOUT);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449 if (rv < 0) {
1450 dbg("Unable to write event character: %i", rv);
1451 return -EIO;
1452 }
David Brownell5c09d142006-10-13 15:57:58 -07001453
Linus Torvalds1da177e2005-04-16 15:20:36 -07001454 return count;
1455}
1456
Alan Cox464cbb22008-07-22 11:11:23 +01001457static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1458 store_latency_timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001459static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1460
Jim Radford12bdbe02007-02-28 10:10:50 -08001461static int create_sysfs_attrs(struct usb_serial_port *port)
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001462{
Jim Radford12bdbe02007-02-28 10:10:50 -08001463 struct ftdi_private *priv = usb_get_serial_port_data(port);
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001464 int retval = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001465
Alan Cox464cbb22008-07-22 11:11:23 +01001466 dbg("%s", __func__);
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001467
Linus Torvalds1da177e2005-04-16 15:20:36 -07001468 /* XXX I've no idea if the original SIO supports the event_char
1469 * sysfs parameter, so I'm playing it safe. */
1470 if (priv->chip_type != SIO) {
1471 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
Jim Radford12bdbe02007-02-28 10:10:50 -08001472 retval = device_create_file(&port->dev, &dev_attr_event_char);
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001473 if ((!retval) &&
Stepan Moskovchenko97cd49e2007-05-09 14:53:04 -04001474 (priv->chip_type == FT232BM ||
1475 priv->chip_type == FT2232C ||
Mark Adamson094c2e62009-04-09 15:03:09 +01001476 priv->chip_type == FT232RL ||
1477 priv->chip_type == FT2232H ||
1478 priv->chip_type == FT4232H)) {
Jim Radford12bdbe02007-02-28 10:10:50 -08001479 retval = device_create_file(&port->dev,
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001480 &dev_attr_latency_timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001481 }
1482 }
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001483 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001484}
1485
Jim Radford12bdbe02007-02-28 10:10:50 -08001486static void remove_sysfs_attrs(struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001487{
Jim Radford12bdbe02007-02-28 10:10:50 -08001488 struct ftdi_private *priv = usb_get_serial_port_data(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001489
Alan Cox464cbb22008-07-22 11:11:23 +01001490 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001491
Linus Torvalds1da177e2005-04-16 15:20:36 -07001492 /* XXX see create_sysfs_attrs */
1493 if (priv->chip_type != SIO) {
Jim Radford12bdbe02007-02-28 10:10:50 -08001494 device_remove_file(&port->dev, &dev_attr_event_char);
Andrew M. Bishoped6e5282007-08-21 19:08:56 +01001495 if (priv->chip_type == FT232BM ||
1496 priv->chip_type == FT2232C ||
Mark Adamson094c2e62009-04-09 15:03:09 +01001497 priv->chip_type == FT232RL ||
1498 priv->chip_type == FT2232H ||
1499 priv->chip_type == FT4232H) {
Jim Radford12bdbe02007-02-28 10:10:50 -08001500 device_remove_file(&port->dev, &dev_attr_latency_timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001501 }
1502 }
David Brownell5c09d142006-10-13 15:57:58 -07001503
Linus Torvalds1da177e2005-04-16 15:20:36 -07001504}
1505
1506/*
1507 * ***************************************************************************
1508 * FTDI driver specific functions
1509 * ***************************************************************************
1510 */
1511
Ian Abbott8f977e42005-06-20 16:45:42 +01001512/* Probe function to check for special devices */
Alan Cox464cbb22008-07-22 11:11:23 +01001513static int ftdi_sio_probe(struct usb_serial *serial,
1514 const struct usb_device_id *id)
Ian Abbott8f977e42005-06-20 16:45:42 +01001515{
Alan Cox464cbb22008-07-22 11:11:23 +01001516 struct ftdi_sio_quirk *quirk =
1517 (struct ftdi_sio_quirk *)id->driver_info;
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001518
1519 if (quirk && quirk->probe) {
1520 int ret = quirk->probe(serial);
1521 if (ret != 0)
1522 return ret;
1523 }
1524
Ian Abbott8f977e42005-06-20 16:45:42 +01001525 usb_set_serial_data(serial, (void *)id->driver_info);
1526
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001527 return 0;
Ian Abbott8f977e42005-06-20 16:45:42 +01001528}
1529
Jim Radford12bdbe02007-02-28 10:10:50 -08001530static int ftdi_sio_port_probe(struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001531{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001532 struct ftdi_private *priv;
Oliver Neukum0ffbbe22007-07-09 12:03:08 -07001533 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1534
Greg Kroah-Hartman13f4db92006-08-28 11:43:25 -07001535
Alan Cox464cbb22008-07-22 11:11:23 +01001536 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001537
Eric Sesterhenn80b6ca42006-02-27 21:29:43 +01001538 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
Alan Cox464cbb22008-07-22 11:11:23 +01001539 if (!priv) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07001540 dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
Alan Cox464cbb22008-07-22 11:11:23 +01001541 sizeof(struct ftdi_private));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001542 return -ENOMEM;
1543 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001544
Alan Sternc45d6322009-04-30 10:06:19 -04001545 kref_init(&priv->kref);
Ian Abbott22465402006-06-26 12:59:17 +01001546 spin_lock_init(&priv->tx_lock);
Alessio Igor Boganibd09a9f2010-02-02 16:18:28 +01001547 mutex_init(&priv->cfg_lock);
Alan Cox464cbb22008-07-22 11:11:23 +01001548 init_waitqueue_head(&priv->delta_msr_wait);
Johan Hovold0076b4b2009-11-22 17:25:08 +01001549
Linus Torvalds1da177e2005-04-16 15:20:36 -07001550 priv->flags = ASYNC_LOW_LATENCY;
1551
Oliver Neukum0ffbbe22007-07-09 12:03:08 -07001552 if (quirk && quirk->port_probe)
1553 quirk->port_probe(priv);
1554
Linus Torvalds1da177e2005-04-16 15:20:36 -07001555 /* Increase the size of read buffers */
Jesper Juhl1bc3c9e2005-04-18 17:39:34 -07001556 kfree(port->bulk_in_buffer);
Alan Cox464cbb22008-07-22 11:11:23 +01001557 port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001558 if (!port->bulk_in_buffer) {
Alan Cox464cbb22008-07-22 11:11:23 +01001559 kfree(priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001560 return -ENOMEM;
1561 }
1562 if (port->read_urb) {
1563 port->read_urb->transfer_buffer = port->bulk_in_buffer;
1564 port->read_urb->transfer_buffer_length = BUFSZ;
1565 }
1566
David Howellsc4028952006-11-22 14:57:56 +00001567 priv->port = port;
Ian Abbott76854ce2005-06-02 10:34:11 +01001568
Linus Torvalds1da177e2005-04-16 15:20:36 -07001569 /* Free port's existing write urb and transfer buffer. */
1570 if (port->write_urb) {
Alan Cox464cbb22008-07-22 11:11:23 +01001571 usb_free_urb(port->write_urb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001572 port->write_urb = NULL;
1573 }
Jesper Juhl1bc3c9e2005-04-18 17:39:34 -07001574 kfree(port->bulk_out_buffer);
1575 port->bulk_out_buffer = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001576
Jim Radford12bdbe02007-02-28 10:10:50 -08001577 usb_set_serial_port_data(port, priv);
Ian Abbott8f977e42005-06-20 16:45:42 +01001578
Alan Cox464cbb22008-07-22 11:11:23 +01001579 ftdi_determine_type(port);
Mark Adamson895f28b2009-05-01 11:48:45 +01001580 ftdi_set_max_packet_size(port);
Johan Hovold8c4f99c2009-11-22 21:25:20 +01001581 if (read_latency_timer(port) < 0)
1582 priv->latency = 16;
Jim Radford12bdbe02007-02-28 10:10:50 -08001583 create_sysfs_attrs(port);
1584 return 0;
1585}
Ian Abbott8f977e42005-06-20 16:45:42 +01001586
Ian Abbott8f977e42005-06-20 16:45:42 +01001587/* Setup for the USB-UIRT device, which requires hardwired
1588 * baudrate (38400 gets mapped to 312500) */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001589/* Called from usbserial:serial_probe */
Alan Cox464cbb22008-07-22 11:11:23 +01001590static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001591{
Alan Cox464cbb22008-07-22 11:11:23 +01001592 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001593
Linus Torvalds1da177e2005-04-16 15:20:36 -07001594 priv->flags |= ASYNC_SPD_CUST;
1595 priv->custom_divisor = 77;
Alan Cox669a6db2007-10-18 01:24:24 -07001596 priv->force_baud = 38400;
Ian Abbott8f977e42005-06-20 16:45:42 +01001597} /* ftdi_USB_UIRT_setup */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001598
Ian Abbott8f977e42005-06-20 16:45:42 +01001599/* Setup for the HE-TIRA1 device, which requires hardwired
1600 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
Alan Cox464cbb22008-07-22 11:11:23 +01001601
1602static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
Ian Abbott8f977e42005-06-20 16:45:42 +01001603{
Alan Cox464cbb22008-07-22 11:11:23 +01001604 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001605
Linus Torvalds1da177e2005-04-16 15:20:36 -07001606 priv->flags |= ASYNC_SPD_CUST;
1607 priv->custom_divisor = 240;
Alan Cox669a6db2007-10-18 01:24:24 -07001608 priv->force_baud = 38400;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001609 priv->force_rtscts = 1;
Ian Abbott8f977e42005-06-20 16:45:42 +01001610} /* ftdi_HE_TIRA1_setup */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001611
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001612/*
Martin Geleynseb760dac2009-07-02 13:10:35 -04001613 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1614 * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1615 */
1616static int ndi_latency_timer = 1;
1617
1618/* Setup for the NDI FTDI-based USB devices, which requires hardwired
1619 * baudrate (19200 gets mapped to 1200000).
1620 *
1621 * Called from usbserial:serial_probe.
1622 */
1623static int ftdi_NDI_device_setup(struct usb_serial *serial)
1624{
1625 struct usb_device *udev = serial->dev;
1626 int latency = ndi_latency_timer;
Martin Geleynseb760dac2009-07-02 13:10:35 -04001627
1628 if (latency == 0)
1629 latency = 1;
1630 if (latency > 99)
1631 latency = 99;
1632
1633 dbg("%s setting NDI device latency to %d", __func__, latency);
1634 dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1635
Johan Hovoldc1284d72009-12-24 12:42:11 +01001636 /* FIXME: errors are not returned */
1637 usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
Martin Geleynseb760dac2009-07-02 13:10:35 -04001638 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1639 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
Johan Hovold66e47e62009-12-24 12:42:09 +01001640 latency, 0, NULL, 0, WDR_TIMEOUT);
Martin Geleynseb760dac2009-07-02 13:10:35 -04001641 return 0;
1642}
1643
1644/*
Harald Welte20734342008-01-01 15:08:35 +01001645 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1646 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1647 * userspace using openocd.
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001648 */
Harald Welte20734342008-01-01 15:08:35 +01001649static int ftdi_jtag_probe(struct usb_serial *serial)
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001650{
1651 struct usb_device *udev = serial->dev;
1652 struct usb_interface *interface = serial->interface;
1653
Alan Cox464cbb22008-07-22 11:11:23 +01001654 dbg("%s", __func__);
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001655
1656 if (interface == udev->actconfig->interface[0]) {
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -07001657 dev_info(&udev->dev,
1658 "Ignoring serial port reserved for JTAG\n");
Tony Lindgrenfa91d432007-05-04 18:23:24 -07001659 return -ENODEV;
1660 }
1661
1662 return 0;
1663}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001664
Kevin Vance546d7ee2008-03-01 13:49:59 -05001665/*
1666 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1667 * We have to correct it if we want to read from it.
1668 */
1669static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1670{
1671 struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1672 struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1673
1674 if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
Al Virofd05e722008-04-28 07:00:16 +01001675 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -07001676 dev_info(&serial->dev->dev,
1677 "Fixing invalid wMaxPacketSize on read pipe\n");
Kevin Vance546d7ee2008-03-01 13:49:59 -05001678 }
1679
1680 return 0;
1681}
1682
Alan Sternc45d6322009-04-30 10:06:19 -04001683static void ftdi_sio_priv_release(struct kref *k)
1684{
1685 struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1686
1687 kfree(priv);
1688}
1689
Jim Radford12bdbe02007-02-28 10:10:50 -08001690static int ftdi_sio_port_remove(struct usb_serial_port *port)
1691{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001692 struct ftdi_private *priv = usb_get_serial_port_data(port);
1693
Harvey Harrison441b62c2008-03-03 16:08:34 -08001694 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001695
Jim Radford12bdbe02007-02-28 10:10:50 -08001696 remove_sysfs_attrs(port);
David Brownell5c09d142006-10-13 15:57:58 -07001697
David Woodhouse80193192009-05-18 13:07:35 +01001698 kref_put(&priv->kref, ftdi_sio_priv_release);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001699
Jim Radford12bdbe02007-02-28 10:10:50 -08001700 return 0;
1701}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001702
Johan Hovoldcc01f172009-10-07 20:05:07 +02001703static int ftdi_submit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
1704{
1705 struct urb *urb = port->read_urb;
1706 struct usb_serial *serial = port->serial;
1707 int result;
1708
1709 usb_fill_bulk_urb(urb, serial->dev,
1710 usb_rcvbulkpipe(serial->dev,
1711 port->bulk_in_endpointAddress),
1712 urb->transfer_buffer,
1713 urb->transfer_buffer_length,
1714 ftdi_read_bulk_callback, port);
1715 result = usb_submit_urb(urb, mem_flags);
Johan Hovolde2b5cbf2009-11-22 17:01:13 +01001716 if (result && result != -EPERM)
Johan Hovoldcc01f172009-10-07 20:05:07 +02001717 dev_err(&port->dev,
1718 "%s - failed submitting read urb, error %d\n",
1719 __func__, result);
1720 return result;
1721}
1722
Alan Coxa509a7e2009-09-19 13:13:26 -07001723static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001724{ /* ftdi_open */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001725 struct usb_device *dev = port->serial->dev;
1726 struct ftdi_private *priv = usb_get_serial_port_data(port);
1727 unsigned long flags;
Johan Hovoldc1284d72009-12-24 12:42:11 +01001728 int result;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001729
Harvey Harrison441b62c2008-03-03 16:08:34 -08001730 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001731
Alan Cox557aaa72009-06-11 13:55:34 +01001732 write_latency_timer(port);
1733
Linus Torvalds1da177e2005-04-16 15:20:36 -07001734 /* No error checking for this (will get errors later anyway) */
1735 /* See ftdi_sio.h for description of what is reset */
1736 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
David Brownell5c09d142006-10-13 15:57:58 -07001737 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1738 FTDI_SIO_RESET_SIO,
Johan Hovold66e47e62009-12-24 12:42:09 +01001739 priv->interface, NULL, 0, WDR_TIMEOUT);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001740
1741 /* Termios defaults are set by usb_serial_init. We don't change
Nick Andrewc4f01242008-12-05 16:34:46 +00001742 port->tty->termios - this would lose speed settings, etc.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001743 This is same behaviour as serial.c/rs_open() - Kuba */
1744
1745 /* ftdi_set_termios will send usb control messages */
Alan Cox95da3102008-07-22 11:09:07 +01001746 if (tty)
1747 ftdi_set_termios(tty, port, tty->termios);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748
Linus Torvalds1da177e2005-04-16 15:20:36 -07001749 /* Not throttled */
Johan Hovoldcc01f172009-10-07 20:05:07 +02001750 spin_lock_irqsave(&port->lock, flags);
1751 port->throttled = 0;
1752 port->throttle_req = 0;
1753 spin_unlock_irqrestore(&port->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001754
1755 /* Start reading from the device */
Johan Hovoldcc01f172009-10-07 20:05:07 +02001756 result = ftdi_submit_read_urb(port, GFP_KERNEL);
1757 if (!result)
Alan Sternc45d6322009-04-30 10:06:19 -04001758 kref_get(&priv->kref);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001759
1760 return result;
1761} /* ftdi_open */
1762
1763
Alan Cox335f8512009-06-11 12:26:29 +01001764static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1765{
1766 struct ftdi_private *priv = usb_get_serial_port_data(port);
Alan Cox335f8512009-06-11 12:26:29 +01001767
1768 mutex_lock(&port->serial->disc_mutex);
1769 if (!port->serial->disconnected) {
1770 /* Disable flow control */
1771 if (!on && usb_control_msg(port->serial->dev,
1772 usb_sndctrlpipe(port->serial->dev, 0),
1773 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1774 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
Johan Hovold66e47e62009-12-24 12:42:09 +01001775 0, priv->interface, NULL, 0,
Alan Cox335f8512009-06-11 12:26:29 +01001776 WDR_TIMEOUT) < 0) {
1777 dev_err(&port->dev, "error from flowcontrol urb\n");
1778 }
1779 /* drop RTS and DTR */
1780 if (on)
1781 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1782 else
1783 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1784 }
1785 mutex_unlock(&port->serial->disc_mutex);
1786}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001787
David Brownell5c09d142006-10-13 15:57:58 -07001788/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07001789 * usbserial:__serial_close only calls ftdi_close if the point is open
1790 *
1791 * This only gets called when it is the last close
David Brownell5c09d142006-10-13 15:57:58 -07001792 *
1793 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07001794 */
1795
Alan Cox335f8512009-06-11 12:26:29 +01001796static void ftdi_close(struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001797{ /* ftdi_close */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001798 struct ftdi_private *priv = usb_get_serial_port_data(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799
Harvey Harrison441b62c2008-03-03 16:08:34 -08001800 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001801
Linus Torvalds1da177e2005-04-16 15:20:36 -07001802 /* shutdown our bulk read */
Mariusz Kozlowski794c9442006-11-08 15:36:25 +01001803 usb_kill_urb(port->read_urb);
Alan Sternc45d6322009-04-30 10:06:19 -04001804 kref_put(&priv->kref, ftdi_sio_priv_release);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001805} /* ftdi_close */
1806
1807
David Brownell5c09d142006-10-13 15:57:58 -07001808
Linus Torvalds1da177e2005-04-16 15:20:36 -07001809/* The SIO requires the first byte to have:
1810 * B0 1
1811 * B1 0
1812 * B2..7 length of message excluding byte 0
1813 *
1814 * The new devices do not require this byte
1815 */
Alan Cox95da3102008-07-22 11:09:07 +01001816static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001817 const unsigned char *buf, int count)
1818{ /* ftdi_write */
1819 struct ftdi_private *priv = usb_get_serial_port_data(port);
1820 struct urb *urb;
1821 unsigned char *buffer;
1822 int data_offset ; /* will be 1 for the SIO and 0 otherwise */
1823 int status;
1824 int transfer_size;
Ian Abbott22465402006-06-26 12:59:17 +01001825 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001826
Harvey Harrison441b62c2008-03-03 16:08:34 -08001827 dbg("%s port %d, %d bytes", __func__, port->number, count);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001828
1829 if (count == 0) {
1830 dbg("write request of 0 bytes");
1831 return 0;
1832 }
Ian Abbott22465402006-06-26 12:59:17 +01001833 spin_lock_irqsave(&priv->tx_lock, flags);
1834 if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
1835 spin_unlock_irqrestore(&priv->tx_lock, flags);
Joe Perches759f3632010-02-05 16:50:08 -08001836 dbg("%s - write limit hit", __func__);
Ian Abbott22465402006-06-26 12:59:17 +01001837 return 0;
1838 }
Oliver Neukum62127a52007-03-23 14:30:16 +01001839 priv->tx_outstanding_urbs++;
Ian Abbott22465402006-06-26 12:59:17 +01001840 spin_unlock_irqrestore(&priv->tx_lock, flags);
David Brownell5c09d142006-10-13 15:57:58 -07001841
Linus Torvalds1da177e2005-04-16 15:20:36 -07001842 data_offset = priv->write_offset;
Alan Cox464cbb22008-07-22 11:11:23 +01001843 dbg("data_offset set to %d", data_offset);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001844
1845 /* Determine total transfer size */
1846 transfer_size = count;
1847 if (data_offset > 0) {
1848 /* Original sio needs control bytes too... */
1849 transfer_size += (data_offset *
Mark Adamson895f28b2009-05-01 11:48:45 +01001850 ((count + (priv->max_packet_size - 1 - data_offset)) /
1851 (priv->max_packet_size - data_offset)));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001852 }
1853
Alan Cox464cbb22008-07-22 11:11:23 +01001854 buffer = kmalloc(transfer_size, GFP_ATOMIC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001855 if (!buffer) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07001856 dev_err(&port->dev,
1857 "%s ran out of kernel memory for urb ...\n", __func__);
Oliver Neukum62127a52007-03-23 14:30:16 +01001858 count = -ENOMEM;
1859 goto error_no_buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001860 }
1861
1862 urb = usb_alloc_urb(0, GFP_ATOMIC);
1863 if (!urb) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07001864 dev_err(&port->dev, "%s - no more free urbs\n", __func__);
Oliver Neukum62127a52007-03-23 14:30:16 +01001865 count = -ENOMEM;
1866 goto error_no_urb;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001867 }
1868
1869 /* Copy data */
1870 if (data_offset > 0) {
Alan Cox464cbb22008-07-22 11:11:23 +01001871 /* Original sio requires control byte at start of
1872 each packet. */
Mark Adamson895f28b2009-05-01 11:48:45 +01001873 int user_pktsz = priv->max_packet_size - data_offset;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001874 int todo = count;
1875 unsigned char *first_byte = buffer;
1876 const unsigned char *current_position = buf;
1877
1878 while (todo > 0) {
Alan Cox464cbb22008-07-22 11:11:23 +01001879 if (user_pktsz > todo)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001880 user_pktsz = todo;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001881 /* Write the control byte at the front of the packet*/
David Brownell5c09d142006-10-13 15:57:58 -07001882 *first_byte = 1 | ((user_pktsz) << 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001883 /* Copy data for packet */
Alan Cox464cbb22008-07-22 11:11:23 +01001884 memcpy(first_byte + data_offset,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001885 current_position, user_pktsz);
1886 first_byte += user_pktsz + data_offset;
1887 current_position += user_pktsz;
1888 todo -= user_pktsz;
1889 }
1890 } else {
1891 /* No control byte required. */
1892 /* Copy in the data to send */
Alan Cox464cbb22008-07-22 11:11:23 +01001893 memcpy(buffer, buf, count);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001894 }
1895
Alan Cox464cbb22008-07-22 11:11:23 +01001896 usb_serial_debug_data(debug, &port->dev, __func__,
1897 transfer_size, buffer);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001898
1899 /* fill the buffer and send it */
David Brownell5c09d142006-10-13 15:57:58 -07001900 usb_fill_bulk_urb(urb, port->serial->dev,
Alan Cox464cbb22008-07-22 11:11:23 +01001901 usb_sndbulkpipe(port->serial->dev,
1902 port->bulk_out_endpointAddress),
1903 buffer, transfer_size,
1904 ftdi_write_bulk_callback, port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001905
1906 status = usb_submit_urb(urb, GFP_ATOMIC);
1907 if (status) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07001908 dev_err(&port->dev,
1909 "%s - failed submitting write urb, error %d\n",
1910 __func__, status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001911 count = status;
Oliver Neukum62127a52007-03-23 14:30:16 +01001912 goto error;
Ian Abbott22465402006-06-26 12:59:17 +01001913 } else {
1914 spin_lock_irqsave(&priv->tx_lock, flags);
Ian Abbott22465402006-06-26 12:59:17 +01001915 priv->tx_outstanding_bytes += count;
Ian Abbott22465402006-06-26 12:59:17 +01001916 spin_unlock_irqrestore(&priv->tx_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001917 }
1918
1919 /* we are done with this urb, so let the host driver
1920 * really free it when it is finished with it */
Oliver Neukum62127a52007-03-23 14:30:16 +01001921 usb_free_urb(urb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001922
Harvey Harrison441b62c2008-03-03 16:08:34 -08001923 dbg("%s write returning: %d", __func__, count);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001924 return count;
Oliver Neukum62127a52007-03-23 14:30:16 +01001925error:
1926 usb_free_urb(urb);
1927error_no_urb:
Alan Cox464cbb22008-07-22 11:11:23 +01001928 kfree(buffer);
Oliver Neukum62127a52007-03-23 14:30:16 +01001929error_no_buffer:
1930 spin_lock_irqsave(&priv->tx_lock, flags);
1931 priv->tx_outstanding_urbs--;
1932 spin_unlock_irqrestore(&priv->tx_lock, flags);
1933 return count;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001934} /* ftdi_write */
1935
1936
1937/* This function may get called when the device is closed */
1938
Alan Cox464cbb22008-07-22 11:11:23 +01001939static void ftdi_write_bulk_callback(struct urb *urb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001940{
Ian Abbott22465402006-06-26 12:59:17 +01001941 unsigned long flags;
Ming Leicdc97792008-02-24 18:41:47 +08001942 struct usb_serial_port *port = urb->context;
Ian Abbott22465402006-06-26 12:59:17 +01001943 struct ftdi_private *priv;
1944 int data_offset; /* will be 1 for the SIO and 0 otherwise */
1945 unsigned long countback;
Greg Kroah-Hartman0fb0aa12007-06-15 15:44:13 -07001946 int status = urb->status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001947
1948 /* free up the transfer buffer, as usb_free_urb() does not do this */
Alan Cox464cbb22008-07-22 11:11:23 +01001949 kfree(urb->transfer_buffer);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001950
Harvey Harrison441b62c2008-03-03 16:08:34 -08001951 dbg("%s - port %d", __func__, port->number);
David Brownell5c09d142006-10-13 15:57:58 -07001952
Ian Abbott22465402006-06-26 12:59:17 +01001953 priv = usb_get_serial_port_data(port);
1954 if (!priv) {
Harvey Harrison441b62c2008-03-03 16:08:34 -08001955 dbg("%s - bad port private data pointer - exiting", __func__);
Ian Abbott22465402006-06-26 12:59:17 +01001956 return;
1957 }
1958 /* account for transferred data */
Eric W. Biederman0de6ab82009-11-17 19:10:48 -08001959 countback = urb->transfer_buffer_length;
Ian Abbott22465402006-06-26 12:59:17 +01001960 data_offset = priv->write_offset;
1961 if (data_offset > 0) {
1962 /* Subtract the control bytes */
Mark Adamson895f28b2009-05-01 11:48:45 +01001963 countback -= (data_offset * DIV_ROUND_UP(countback, priv->max_packet_size));
Ian Abbott22465402006-06-26 12:59:17 +01001964 }
1965 spin_lock_irqsave(&priv->tx_lock, flags);
1966 --priv->tx_outstanding_urbs;
1967 priv->tx_outstanding_bytes -= countback;
1968 spin_unlock_irqrestore(&priv->tx_lock, flags);
1969
Jason Wessel87c1edd2009-05-11 15:24:08 -05001970 if (status) {
1971 dbg("nonzero write bulk status received: %d", status);
Jason Wessel87c1edd2009-05-11 15:24:08 -05001972 }
1973
Pete Zaitcevcf2c7482006-05-22 21:58:49 -07001974 usb_serial_port_softint(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001975} /* ftdi_write_bulk_callback */
1976
1977
Alan Cox95da3102008-07-22 11:09:07 +01001978static int ftdi_write_room(struct tty_struct *tty)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001979{
Alan Cox95da3102008-07-22 11:09:07 +01001980 struct usb_serial_port *port = tty->driver_data;
Ian Abbott22465402006-06-26 12:59:17 +01001981 struct ftdi_private *priv = usb_get_serial_port_data(port);
1982 int room;
1983 unsigned long flags;
1984
Harvey Harrison441b62c2008-03-03 16:08:34 -08001985 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001986
Ian Abbott22465402006-06-26 12:59:17 +01001987 spin_lock_irqsave(&priv->tx_lock, flags);
1988 if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) {
1989 /*
1990 * We really can take anything the user throws at us
1991 * but let's pick a nice big number to tell the tty
1992 * layer that we have lots of free space
1993 */
1994 room = 2048;
1995 } else {
1996 room = 0;
1997 }
1998 spin_unlock_irqrestore(&priv->tx_lock, flags);
1999 return room;
Alan Cox95da3102008-07-22 11:09:07 +01002000}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002001
Alan Cox95da3102008-07-22 11:09:07 +01002002static int ftdi_chars_in_buffer(struct tty_struct *tty)
2003{
2004 struct usb_serial_port *port = tty->driver_data;
Ian Abbott22465402006-06-26 12:59:17 +01002005 struct ftdi_private *priv = usb_get_serial_port_data(port);
2006 int buffered;
2007 unsigned long flags;
2008
Harvey Harrison441b62c2008-03-03 16:08:34 -08002009 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002010
Ian Abbott22465402006-06-26 12:59:17 +01002011 spin_lock_irqsave(&priv->tx_lock, flags);
2012 buffered = (int)priv->tx_outstanding_bytes;
2013 spin_unlock_irqrestore(&priv->tx_lock, flags);
2014 if (buffered < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002015 dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
2016 __func__);
Ian Abbott22465402006-06-26 12:59:17 +01002017 buffered = 0;
2018 }
2019 return buffered;
Alan Cox95da3102008-07-22 11:09:07 +01002020}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002021
Johan Hovoldcc01f172009-10-07 20:05:07 +02002022static int ftdi_process_packet(struct tty_struct *tty,
2023 struct usb_serial_port *port, struct ftdi_private *priv,
2024 char *packet, int len)
Alan Cox95da3102008-07-22 11:09:07 +01002025{
Johan Hovoldcc01f172009-10-07 20:05:07 +02002026 int i;
2027 char status;
2028 char flag;
2029 char *ch;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002030
Harvey Harrison441b62c2008-03-03 16:08:34 -08002031 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002032
Johan Hovoldcc01f172009-10-07 20:05:07 +02002033 if (len < 2) {
2034 dbg("malformed packet");
2035 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002036 }
2037
Johan Hovoldcc01f172009-10-07 20:05:07 +02002038 /* Compare new line status to the old one, signal if different/
2039 N.B. packet may be processed more than once, but differences
2040 are only processed once. */
2041 status = packet[0] & FTDI_STATUS_B0_MASK;
2042 if (status != priv->prev_status) {
2043 priv->diff_status |= status ^ priv->prev_status;
2044 wake_up_interruptible(&priv->delta_msr_wait);
2045 priv->prev_status = status;
2046 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002047
Johan Hovoldcc01f172009-10-07 20:05:07 +02002048 /*
2049 * Although the device uses a bitmask and hence can have multiple
2050 * errors on a packet - the order here sets the priority the error is
2051 * returned to the tty layer.
2052 */
2053 flag = TTY_NORMAL;
2054 if (packet[1] & FTDI_RS_OE) {
2055 flag = TTY_OVERRUN;
2056 dbg("OVERRRUN error");
2057 }
2058 if (packet[1] & FTDI_RS_BI) {
2059 flag = TTY_BREAK;
2060 dbg("BREAK received");
2061 usb_serial_handle_break(port);
2062 }
2063 if (packet[1] & FTDI_RS_PE) {
2064 flag = TTY_PARITY;
2065 dbg("PARITY error");
2066 }
2067 if (packet[1] & FTDI_RS_FE) {
2068 flag = TTY_FRAME;
2069 dbg("FRAMING error");
2070 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002071
Johan Hovoldcc01f172009-10-07 20:05:07 +02002072 len -= 2;
2073 if (!len)
2074 return 0; /* status only */
2075 ch = packet + 2;
2076
2077 if (!(port->console && port->sysrq) && flag == TTY_NORMAL)
2078 tty_insert_flip_string(tty, ch, len);
2079 else {
2080 for (i = 0; i < len; i++, ch++) {
2081 if (!usb_serial_handle_sysrq_char(tty, port, *ch))
2082 tty_insert_flip_char(tty, *ch, flag);
2083 }
2084 }
2085 return len;
2086}
2087
2088static void ftdi_process_read(struct usb_serial_port *port)
2089{
2090 struct urb *urb = port->read_urb;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002091 struct tty_struct *tty;
Johan Hovoldcc01f172009-10-07 20:05:07 +02002092 struct ftdi_private *priv = usb_get_serial_port_data(port);
2093 char *data = (char *)urb->transfer_buffer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002094 int i;
Johan Hovoldcc01f172009-10-07 20:05:07 +02002095 int len;
2096 int count = 0;
2097
2098 tty = tty_port_tty_get(&port->port);
2099 if (!tty)
2100 return;
2101
2102 for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2103 len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2104 count += ftdi_process_packet(tty, port, priv, &data[i], len);
2105 }
2106
2107 if (count)
2108 tty_flip_buffer_push(tty);
2109 tty_kref_put(tty);
2110}
2111
2112static void ftdi_read_bulk_callback(struct urb *urb)
2113{
2114 struct usb_serial_port *port = urb->context;
Ian Abbott76854ce2005-06-02 10:34:11 +01002115 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002116
Harvey Harrison441b62c2008-03-03 16:08:34 -08002117 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002118
Johan Hovoldcc01f172009-10-07 20:05:07 +02002119 if (urb->status) {
2120 dbg("%s - nonzero read bulk status received: %d",
2121 __func__, urb->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002122 return;
2123 }
2124
Johan Hovoldcc01f172009-10-07 20:05:07 +02002125 usb_serial_debug_data(debug, &port->dev, __func__,
2126 urb->actual_length, urb->transfer_buffer);
2127 ftdi_process_read(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002128
Johan Hovoldcc01f172009-10-07 20:05:07 +02002129 spin_lock_irqsave(&port->lock, flags);
2130 port->throttled = port->throttle_req;
2131 if (!port->throttled) {
2132 spin_unlock_irqrestore(&port->lock, flags);
2133 ftdi_submit_read_urb(port, GFP_ATOMIC);
2134 } else
2135 spin_unlock_irqrestore(&port->lock, flags);
2136}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002137
Alan Cox95da3102008-07-22 11:09:07 +01002138static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002139{
Alan Cox95da3102008-07-22 11:09:07 +01002140 struct usb_serial_port *port = tty->driver_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002141 struct ftdi_private *priv = usb_get_serial_port_data(port);
Johan Hovoldc1284d72009-12-24 12:42:11 +01002142 __u16 urb_value;
David Brownell5c09d142006-10-13 15:57:58 -07002143
Linus Torvalds1da177e2005-04-16 15:20:36 -07002144 /* break_state = -1 to turn on break, and 0 to turn off break */
2145 /* see drivers/char/tty_io.c to see it used */
2146 /* last_set_data_urb_value NEVER has the break bit set in it */
2147
Alan Cox464cbb22008-07-22 11:11:23 +01002148 if (break_state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002149 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
Alan Cox464cbb22008-07-22 11:11:23 +01002150 else
David Brownell5c09d142006-10-13 15:57:58 -07002151 urb_value = priv->last_set_data_urb_value;
Alan Cox464cbb22008-07-22 11:11:23 +01002152
2153 if (usb_control_msg(port->serial->dev,
2154 usb_sndctrlpipe(port->serial->dev, 0),
2155 FTDI_SIO_SET_DATA_REQUEST,
2156 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2157 urb_value , priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +01002158 NULL, 0, WDR_TIMEOUT) < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002159 dev_err(&port->dev, "%s FAILED to enable/disable break state "
2160 "(state was %d)\n", __func__, break_state);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002161 }
2162
Alan Cox464cbb22008-07-22 11:11:23 +01002163 dbg("%s break state is %d - urb is %d", __func__,
2164 break_state, urb_value);
David Brownell5c09d142006-10-13 15:57:58 -07002165
Linus Torvalds1da177e2005-04-16 15:20:36 -07002166}
2167
2168
2169/* old_termios contains the original termios settings and tty->termios contains
2170 * the new setting to be used
2171 * WARNING: set_termios calls this with old_termios in kernel space
2172 */
2173
Alan Cox95da3102008-07-22 11:09:07 +01002174static void ftdi_set_termios(struct tty_struct *tty,
2175 struct usb_serial_port *port, struct ktermios *old_termios)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002176{ /* ftdi_termios */
2177 struct usb_device *dev = port->serial->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002178 struct ftdi_private *priv = usb_get_serial_port_data(port);
Alan Cox95da3102008-07-22 11:09:07 +01002179 struct ktermios *termios = tty->termios;
Alan Cox669a6db2007-10-18 01:24:24 -07002180 unsigned int cflag = termios->c_cflag;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002181 __u16 urb_value; /* will hold the new flags */
David Brownell5c09d142006-10-13 15:57:58 -07002182
Alan Cox464cbb22008-07-22 11:11:23 +01002183 /* Added for xon/xoff support */
Alan Cox669a6db2007-10-18 01:24:24 -07002184 unsigned int iflag = termios->c_iflag;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002185 unsigned char vstop;
2186 unsigned char vstart;
David Brownell5c09d142006-10-13 15:57:58 -07002187
Harvey Harrison441b62c2008-03-03 16:08:34 -08002188 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002189
Alan Cox464cbb22008-07-22 11:11:23 +01002190 /* Force baud rate if this device requires it, unless it is set to
2191 B0. */
Alan Cox669a6db2007-10-18 01:24:24 -07002192 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
Harvey Harrison441b62c2008-03-03 16:08:34 -08002193 dbg("%s: forcing baud rate for this device", __func__);
Alan Cox95da3102008-07-22 11:09:07 +01002194 tty_encode_baud_rate(tty, priv->force_baud,
Andrew Mortonbd5e47c2007-10-18 01:24:25 -07002195 priv->force_baud);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002196 }
2197
2198 /* Force RTS-CTS if this device requires it. */
2199 if (priv->force_rtscts) {
Harvey Harrison441b62c2008-03-03 16:08:34 -08002200 dbg("%s: forcing rtscts for this device", __func__);
Alan Cox669a6db2007-10-18 01:24:24 -07002201 termios->c_cflag |= CRTSCTS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002202 }
2203
Alan Cox669a6db2007-10-18 01:24:24 -07002204 cflag = termios->c_cflag;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002205
David Brownell5c09d142006-10-13 15:57:58 -07002206 /* FIXME -For this cut I don't care if the line is really changing or
2207 not - so just do the change regardless - should be able to
Linus Torvalds1da177e2005-04-16 15:20:36 -07002208 compare old_termios and tty->termios */
David Brownell5c09d142006-10-13 15:57:58 -07002209 /* NOTE These routines can get interrupted by
Alan Cox464cbb22008-07-22 11:11:23 +01002210 ftdi_sio_read_bulk_callback - need to examine what this means -
2211 don't see any problems yet */
David Brownell5c09d142006-10-13 15:57:58 -07002212
Linus Torvalds1da177e2005-04-16 15:20:36 -07002213 /* Set number of data bits, parity, stop bits */
David Brownell5c09d142006-10-13 15:57:58 -07002214
Linus Torvalds1da177e2005-04-16 15:20:36 -07002215 urb_value = 0;
2216 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2217 FTDI_SIO_SET_DATA_STOP_BITS_1);
Roland Koebler38fcb8302009-10-05 19:58:56 +02002218 if (cflag & PARENB) {
2219 if (cflag & CMSPAR)
2220 urb_value |= cflag & PARODD ?
2221 FTDI_SIO_SET_DATA_PARITY_MARK :
2222 FTDI_SIO_SET_DATA_PARITY_SPACE;
2223 else
2224 urb_value |= cflag & PARODD ?
2225 FTDI_SIO_SET_DATA_PARITY_ODD :
2226 FTDI_SIO_SET_DATA_PARITY_EVEN;
2227 } else {
2228 urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2229 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002230 if (cflag & CSIZE) {
2231 switch (cflag & CSIZE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002232 case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2233 case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2234 default:
Mark Adamsoncabe6cc2009-11-24 09:39:10 +00002235 dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002236 }
2237 }
2238
Alan Cox464cbb22008-07-22 11:11:23 +01002239 /* This is needed by the break command since it uses the same command
2240 - but is or'ed with this value */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002241 priv->last_set_data_urb_value = urb_value;
David Brownell5c09d142006-10-13 15:57:58 -07002242
Linus Torvalds1da177e2005-04-16 15:20:36 -07002243 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
David Brownell5c09d142006-10-13 15:57:58 -07002244 FTDI_SIO_SET_DATA_REQUEST,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002245 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2246 urb_value , priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +01002247 NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002248 dev_err(&port->dev, "%s FAILED to set "
2249 "databits/stopbits/parity\n", __func__);
David Brownell5c09d142006-10-13 15:57:58 -07002250 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002251
2252 /* Now do the baudrate */
Alan Cox464cbb22008-07-22 11:11:23 +01002253 if ((cflag & CBAUD) == B0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002254 /* Disable flow control */
2255 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
David Brownell5c09d142006-10-13 15:57:58 -07002256 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002257 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
David Brownell5c09d142006-10-13 15:57:58 -07002258 0, priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +01002259 NULL, 0, WDR_TIMEOUT) < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002260 dev_err(&port->dev,
2261 "%s error from disable flowcontrol urb\n",
2262 __func__);
David Brownell5c09d142006-10-13 15:57:58 -07002263 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002264 /* Drop RTS and DTR */
Ian Abbott74ede0f2005-07-29 12:16:41 -07002265 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002266 } else {
2267 /* set the baudrate determined before */
Alessio Igor Bogani9c67d282010-03-13 18:35:14 +01002268 mutex_lock(&priv->cfg_lock);
Alan Cox464cbb22008-07-22 11:11:23 +01002269 if (change_speed(tty, port))
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002270 dev_err(&port->dev, "%s urb failed to set baudrate\n",
2271 __func__);
Alessio Igor Bogani9c67d282010-03-13 18:35:14 +01002272 mutex_unlock(&priv->cfg_lock);
Peter Favrholdt72a755f2005-09-22 00:48:49 -07002273 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
Alan Cox464cbb22008-07-22 11:11:23 +01002274 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
Peter Favrholdt72a755f2005-09-22 00:48:49 -07002275 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002276 }
2277
2278 /* Set flow control */
2279 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2280 if (cflag & CRTSCTS) {
Harvey Harrison441b62c2008-03-03 16:08:34 -08002281 dbg("%s Setting to CRTSCTS flow control", __func__);
David Brownell5c09d142006-10-13 15:57:58 -07002282 if (usb_control_msg(dev,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002283 usb_sndctrlpipe(dev, 0),
David Brownell5c09d142006-10-13 15:57:58 -07002284 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002285 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2286 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
Johan Hovold66e47e62009-12-24 12:42:09 +01002287 NULL, 0, WDR_TIMEOUT) < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002288 dev_err(&port->dev,
2289 "urb failed to set to rts/cts flow control\n");
David Brownell5c09d142006-10-13 15:57:58 -07002290 }
2291
2292 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002293 /*
2294 * Xon/Xoff code
2295 *
Alan Cox464cbb22008-07-22 11:11:23 +01002296 * Check the IXOFF status in the iflag component of the
2297 * termios structure. If IXOFF is not set, the pre-xon/xoff
2298 * code is executed.
2299 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002300 if (iflag & IXOFF) {
Alan Cox464cbb22008-07-22 11:11:23 +01002301 dbg("%s request to enable xonxoff iflag=%04x",
2302 __func__, iflag);
2303 /* Try to enable the XON/XOFF on the ftdi_sio
2304 * Set the vstart and vstop -- could have been done up
2305 * above where a lot of other dereferencing is done but
2306 * that would be very inefficient as vstart and vstop
2307 * are not always needed.
2308 */
Alan Cox669a6db2007-10-18 01:24:24 -07002309 vstart = termios->c_cc[VSTART];
2310 vstop = termios->c_cc[VSTOP];
Alan Cox464cbb22008-07-22 11:11:23 +01002311 urb_value = (vstop << 8) | (vstart);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002312
2313 if (usb_control_msg(dev,
2314 usb_sndctrlpipe(dev, 0),
2315 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2316 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2317 urb_value , (FTDI_SIO_XON_XOFF_HS
2318 | priv->interface),
Johan Hovold66e47e62009-12-24 12:42:09 +01002319 NULL, 0, WDR_TIMEOUT) < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002320 dev_err(&port->dev, "urb failed to set to "
2321 "xon/xoff flow control\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002322 }
2323 } else {
Alan Cox464cbb22008-07-22 11:11:23 +01002324 /* else clause to only run if cflag ! CRTSCTS and iflag
2325 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2326 * stack - not by device */
Harvey Harrison441b62c2008-03-03 16:08:34 -08002327 dbg("%s Turning off hardware flow control", __func__);
David Brownell5c09d142006-10-13 15:57:58 -07002328 if (usb_control_msg(dev,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002329 usb_sndctrlpipe(dev, 0),
David Brownell5c09d142006-10-13 15:57:58 -07002330 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002331 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
David Brownell5c09d142006-10-13 15:57:58 -07002332 0, priv->interface,
Johan Hovold66e47e62009-12-24 12:42:09 +01002333 NULL, 0, WDR_TIMEOUT) < 0) {
Greg Kroah-Hartman194343d2008-08-20 16:56:34 -07002334 dev_err(&port->dev,
2335 "urb failed to clear flow control\n");
David Brownell5c09d142006-10-13 15:57:58 -07002336 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002337 }
David Brownell5c09d142006-10-13 15:57:58 -07002338
Linus Torvalds1da177e2005-04-16 15:20:36 -07002339 }
2340 return;
Alan Cox95da3102008-07-22 11:09:07 +01002341}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002342
Alan Cox95da3102008-07-22 11:09:07 +01002343static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002344{
Alan Cox95da3102008-07-22 11:09:07 +01002345 struct usb_serial_port *port = tty->driver_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002346 struct ftdi_private *priv = usb_get_serial_port_data(port);
Johan Hovold66e47e62009-12-24 12:42:09 +01002347 unsigned char *buf;
Johan Hovolda3f81682009-12-24 12:42:10 +01002348 int len;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002349 int ret;
2350
Harvey Harrison441b62c2008-03-03 16:08:34 -08002351 dbg("%s TIOCMGET", __func__);
Johan Hovold66e47e62009-12-24 12:42:09 +01002352
2353 buf = kmalloc(2, GFP_KERNEL);
2354 if (!buf)
2355 return -ENOMEM;
Johan Hovolda3f81682009-12-24 12:42:10 +01002356 /*
2357 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2358 * the same format as the data returned from the in point.
2359 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002360 switch (priv->chip_type) {
2361 case SIO:
Johan Hovolda3f81682009-12-24 12:42:10 +01002362 len = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002363 break;
2364 case FT8U232AM:
2365 case FT232BM:
2366 case FT2232C:
Andrew M. Bishoped6e5282007-08-21 19:08:56 +01002367 case FT232RL:
Mark Adamson094c2e62009-04-09 15:03:09 +01002368 case FT2232H:
2369 case FT4232H:
Johan Hovolda3f81682009-12-24 12:42:10 +01002370 len = 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002371 break;
2372 default:
Johan Hovold66e47e62009-12-24 12:42:09 +01002373 ret = -EFAULT;
2374 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002375 }
David Brownell5c09d142006-10-13 15:57:58 -07002376
Johan Hovolda3f81682009-12-24 12:42:10 +01002377 ret = usb_control_msg(port->serial->dev,
2378 usb_rcvctrlpipe(port->serial->dev, 0),
2379 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2380 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2381 0, priv->interface,
2382 buf, len, WDR_TIMEOUT);
2383 if (ret < 0)
2384 goto out;
2385
Johan Hovold66e47e62009-12-24 12:42:09 +01002386 ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
Linus Torvalds1da177e2005-04-16 15:20:36 -07002387 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2388 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2389 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
David Brownell5c09d142006-10-13 15:57:58 -07002390 priv->last_dtr_rts;
Johan Hovold66e47e62009-12-24 12:42:09 +01002391out:
2392 kfree(buf);
2393 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002394}
2395
Alan Cox464cbb22008-07-22 11:11:23 +01002396static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
Alan Cox95da3102008-07-22 11:09:07 +01002397 unsigned int set, unsigned int clear)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002398{
Alan Cox95da3102008-07-22 11:09:07 +01002399 struct usb_serial_port *port = tty->driver_data;
Harvey Harrison441b62c2008-03-03 16:08:34 -08002400 dbg("%s TIOCMSET", __func__);
Ian Abbott74ede0f2005-07-29 12:16:41 -07002401 return update_mctrl(port, set, clear);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002402}
2403
2404
Alan Cox464cbb22008-07-22 11:11:23 +01002405static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
2406 unsigned int cmd, unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002407{
Alan Cox95da3102008-07-22 11:09:07 +01002408 struct usb_serial_port *port = tty->driver_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002409 struct ftdi_private *priv = usb_get_serial_port_data(port);
2410
Harvey Harrison441b62c2008-03-03 16:08:34 -08002411 dbg("%s cmd 0x%04x", __func__, cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002412
2413 /* Based on code from acm.c and others */
2414 switch (cmd) {
2415
Linus Torvalds1da177e2005-04-16 15:20:36 -07002416 case TIOCGSERIAL: /* gets serial port data */
Alan Cox464cbb22008-07-22 11:11:23 +01002417 return get_serial_info(port,
2418 (struct serial_struct __user *) arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002419
2420 case TIOCSSERIAL: /* sets serial port data */
Alan Cox464cbb22008-07-22 11:11:23 +01002421 return set_serial_info(tty, port,
2422 (struct serial_struct __user *) arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002423
2424 /*
2425 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2426 * - mask passed in arg for lines of interest
2427 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2428 * Caller should use TIOCGICOUNT to see which one it was.
2429 *
2430 * This code is borrowed from linux/drivers/char/serial.c
2431 */
2432 case TIOCMIWAIT:
2433 while (priv != NULL) {
2434 interruptible_sleep_on(&priv->delta_msr_wait);
2435 /* see if a signal did it */
2436 if (signal_pending(current))
2437 return -ERESTARTSYS;
2438 else {
2439 char diff = priv->diff_status;
2440
Alan Cox464cbb22008-07-22 11:11:23 +01002441 if (diff == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002442 return -EIO; /* no change => error */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002443
2444 /* Consume all events */
2445 priv->diff_status = 0;
2446
Alan Cox464cbb22008-07-22 11:11:23 +01002447 /* Return 0 if caller wanted to know about
2448 these bits */
2449 if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2450 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2451 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) ||
2452 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002453 return 0;
2454 }
2455 /*
Alan Cox464cbb22008-07-22 11:11:23 +01002456 * Otherwise caller can't care less about what
2457 * happened,and so we continue to wait for more
2458 * events.
Linus Torvalds1da177e2005-04-16 15:20:36 -07002459 */
2460 }
2461 }
Alan Cox95da3102008-07-22 11:09:07 +01002462 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002463 default:
2464 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002465 }
Alan Cox464cbb22008-07-22 11:11:23 +01002466 /* This is not necessarily an error - turns out the higher layers
2467 * will do some ioctls themselves (see comment above)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002468 */
Harvey Harrison441b62c2008-03-03 16:08:34 -08002469 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
Alan Cox95da3102008-07-22 11:09:07 +01002470 return -ENOIOCTLCMD;
2471}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002472
Alan Cox95da3102008-07-22 11:09:07 +01002473static void ftdi_throttle(struct tty_struct *tty)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002474{
Alan Cox95da3102008-07-22 11:09:07 +01002475 struct usb_serial_port *port = tty->driver_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002476 unsigned long flags;
2477
Harvey Harrison441b62c2008-03-03 16:08:34 -08002478 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002479
Johan Hovoldcc01f172009-10-07 20:05:07 +02002480 spin_lock_irqsave(&port->lock, flags);
2481 port->throttle_req = 1;
2482 spin_unlock_irqrestore(&port->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002483}
2484
Johan Hovoldcc01f172009-10-07 20:05:07 +02002485void ftdi_unthrottle(struct tty_struct *tty)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002486{
Alan Cox95da3102008-07-22 11:09:07 +01002487 struct usb_serial_port *port = tty->driver_data;
Johan Hovoldcc01f172009-10-07 20:05:07 +02002488 int was_throttled;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002489 unsigned long flags;
2490
Harvey Harrison441b62c2008-03-03 16:08:34 -08002491 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002492
Johan Hovoldcc01f172009-10-07 20:05:07 +02002493 spin_lock_irqsave(&port->lock, flags);
2494 was_throttled = port->throttled;
2495 port->throttled = port->throttle_req = 0;
2496 spin_unlock_irqrestore(&port->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002497
Johan Hovolda8808302010-02-25 20:19:10 +01002498 if (was_throttled)
Johan Hovoldcc01f172009-10-07 20:05:07 +02002499 ftdi_submit_read_urb(port, GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002500}
2501
Alan Cox464cbb22008-07-22 11:11:23 +01002502static int __init ftdi_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002503{
2504 int retval;
2505
Harvey Harrison441b62c2008-03-03 16:08:34 -08002506 dbg("%s", __func__);
Ian Abbottfdcb0a02005-07-28 18:40:32 +01002507 if (vendor > 0 && product > 0) {
2508 /* Add user specified VID/PID to reserved element of table. */
2509 int i;
2510 for (i = 0; id_table_combined[i].idVendor; i++)
2511 ;
2512 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2513 id_table_combined[i].idVendor = vendor;
2514 id_table_combined[i].idProduct = product;
2515 }
Ian Abbott8f977e42005-06-20 16:45:42 +01002516 retval = usb_serial_register(&ftdi_sio_device);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002517 if (retval)
Ian Abbott8f977e42005-06-20 16:45:42 +01002518 goto failed_sio_register;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002519 retval = usb_register(&ftdi_driver);
David Brownell5c09d142006-10-13 15:57:58 -07002520 if (retval)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002521 goto failed_usb_register;
2522
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -07002523 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2524 DRIVER_DESC "\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002525 return 0;
2526failed_usb_register:
Ian Abbott8f977e42005-06-20 16:45:42 +01002527 usb_serial_deregister(&ftdi_sio_device);
2528failed_sio_register:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002529 return retval;
2530}
2531
2532
Alan Cox464cbb22008-07-22 11:11:23 +01002533static void __exit ftdi_exit(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002534{
2535
Harvey Harrison441b62c2008-03-03 16:08:34 -08002536 dbg("%s", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002537
Alan Cox464cbb22008-07-22 11:11:23 +01002538 usb_deregister(&ftdi_driver);
2539 usb_serial_deregister(&ftdi_sio_device);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002540
2541}
2542
2543
2544module_init(ftdi_init);
2545module_exit(ftdi_exit);
2546
Alan Cox464cbb22008-07-22 11:11:23 +01002547MODULE_AUTHOR(DRIVER_AUTHOR);
2548MODULE_DESCRIPTION(DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002549MODULE_LICENSE("GPL");
2550
2551module_param(debug, bool, S_IRUGO | S_IWUSR);
2552MODULE_PARM_DESC(debug, "Debug enabled or not");
Ian Abbottfdcb0a02005-07-28 18:40:32 +01002553module_param(vendor, ushort, 0);
2554MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2555 __MODULE_STRING(FTDI_VID)")");
2556module_param(product, ushort, 0);
Paulius Zaleckas68265042008-09-10 17:18:46 +03002557MODULE_PARM_DESC(product, "User specified product ID");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002558
Martin Geleynseb760dac2009-07-02 13:10:35 -04002559module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2560MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");