xref: /linux/drivers/usb/serial/ftdi_sio.c (revision ff5599816711d2e67da2d7561fd36ac48debd433)
1 /*
2  * USB FTDI SIO driver
3  *
4  *	Copyright (C) 2009 - 2013
5  *	    Johan Hovold (jhovold@gmail.com)
6  *	Copyright (C) 1999 - 2001
7  *	    Greg Kroah-Hartman (greg@kroah.com)
8  *          Bill Ryder (bryder@sgi.com)
9  *	Copyright (C) 2002
10  *	    Kuba Ober (kuba@mareimbrium.org)
11  *
12  *	This program is free software; you can redistribute it and/or modify
13  *	it under the terms of the GNU General Public License as published by
14  *	the Free Software Foundation; either version 2 of the License, or
15  *	(at your option) any later version.
16  *
17  * See Documentation/usb/usb-serial.txt for more information on using this
18  * driver
19  *
20  * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
21  *	and extra documentation
22  *
23  * Change entries from 2004 and earlier can be found in versions of this
24  * file in kernel versions prior to the 2.6.24 release.
25  *
26  */
27 
28 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
29 /* Thanx to FTDI for so kindly providing details of the protocol required */
30 /*   to talk to the device */
31 /* Thanx to gkh and the rest of the usb dev group for all code I have
32    assimilated :-) */
33 
34 #include <linux/kernel.h>
35 #include <linux/errno.h>
36 #include <linux/init.h>
37 #include <linux/slab.h>
38 #include <linux/tty.h>
39 #include <linux/tty_driver.h>
40 #include <linux/tty_flip.h>
41 #include <linux/module.h>
42 #include <linux/spinlock.h>
43 #include <linux/mutex.h>
44 #include <linux/uaccess.h>
45 #include <linux/usb.h>
46 #include <linux/serial.h>
47 #include <linux/usb/serial.h>
48 #include "ftdi_sio.h"
49 #include "ftdi_sio_ids.h"
50 
51 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>"
52 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
53 
54 static __u16 vendor = FTDI_VID;
55 static __u16 product;
56 
57 struct ftdi_private {
58 	enum ftdi_chip_type chip_type;
59 				/* type of device, either SIO or FT8U232AM */
60 	int baud_base;		/* baud base clock for divisor setting */
61 	int custom_divisor;	/* custom_divisor kludge, this is for
62 				   baud_base (different from what goes to the
63 				   chip!) */
64 	__u16 last_set_data_urb_value ;
65 				/* the last data state set - needed for doing
66 				 * a break
67 				 */
68 	int flags;		/* some ASYNC_xxxx flags are supported */
69 	unsigned long last_dtr_rts;	/* saved modem control outputs */
70 	char prev_status;        /* Used for TIOCMIWAIT */
71 	char transmit_empty;	/* If transmitter is empty or not */
72 	__u16 interface;	/* FT2232C, FT2232H or FT4232H port interface
73 				   (0 for FT232/245) */
74 
75 	speed_t force_baud;	/* if non-zero, force the baud rate to
76 				   this value */
77 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
78 				   be enabled */
79 
80 	unsigned int latency;		/* latency setting in use */
81 	unsigned short max_packet_size;
82 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
83 };
84 
85 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
86 struct ftdi_sio_quirk {
87 	int (*probe)(struct usb_serial *);
88 	/* Special settings for probed ports. */
89 	void (*port_probe)(struct ftdi_private *);
90 };
91 
92 static int   ftdi_jtag_probe(struct usb_serial *serial);
93 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
94 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
95 static int   ftdi_stmclite_probe(struct usb_serial *serial);
96 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
97 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
98 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
99 
100 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
101 	.probe	= ftdi_jtag_probe,
102 };
103 
104 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
105 	.probe  = ftdi_mtxorb_hack_setup,
106 };
107 
108 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
109 	.probe	= ftdi_NDI_device_setup,
110 };
111 
112 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
113 	.port_probe = ftdi_USB_UIRT_setup,
114 };
115 
116 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
117 	.port_probe = ftdi_HE_TIRA1_setup,
118 };
119 
120 static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
121 	.probe	= ftdi_stmclite_probe,
122 };
123 
124 static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
125 	.probe	= ftdi_8u2232c_probe,
126 };
127 
128 /*
129  * The 8U232AM has the same API as the sio except for:
130  * - it can support MUCH higher baudrates; up to:
131  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
132  *   o 230400 at 12MHz
133  *   so .. 8U232AM's baudrate setting codes are different
134  * - it has a two byte status code.
135  * - it returns characters every 16ms (the FTDI does it every 40ms)
136  *
137  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
138  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
139  * combinations in both tables.
140  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
141  * but I don't know if those ever went into mass production. [Ian Abbott]
142  */
143 
144 
145 
146 /*
147  * Device ID not listed? Test via module params product/vendor or
148  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
149  */
150 static struct usb_device_id id_table_combined [] = {
151 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
152 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
153 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
154 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
155 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
156 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
157 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
158 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
159 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
160 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
161 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
179 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
180 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
187 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
188 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
191 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
192 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
193 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
194 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
195 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
209 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
211 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
212 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
213 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
214 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
215 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
216 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
217 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
220 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
221 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
222 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
260 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
266 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
306 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
308 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
310 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
312 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
314 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
316 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
484 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
485 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
486 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
487 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
488 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
489 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
490 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
491 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
492 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
493 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
494 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
495 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
496 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
497 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
498 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
499 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
500 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
501 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
502 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
503 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
504 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
505 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
506 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
507 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
508 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
509 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
510 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
511 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
512 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
513 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
514 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
515 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
526 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
527 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
528 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
529 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
530 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
531 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
532 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
533 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
534 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
535 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
536 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
537 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
539 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
540 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
541 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
542 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
543 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
544 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
545 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
546 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
547 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
548 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
549 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
550 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
551 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
552 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
553 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
554 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
555 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
556 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
557 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
558 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
559 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
560 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
561 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
562 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
563 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
564 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
565 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
566 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
567 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
568 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
569 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
571 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
572 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
573 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
574 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
575 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
576 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
577 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
581 	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
582 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
583 	/*
584 	 * ELV devices:
585 	 */
586 	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
619 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
621 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
622 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
623 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
624 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
625 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
626 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
629 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
630 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
631 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
632 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
633 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
634 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
635 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
636 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
637 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
639 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
640 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
641 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
642 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
643 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
644 	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
645 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
646 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
647 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
648 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
649 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
650 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
651 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
652 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
653 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
654 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
655 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
656 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
657 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
658 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
659 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
660 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
661 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
662 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
663 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
664 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
665 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
666 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
667 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
668 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
669 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
670 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
671 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
672 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
673 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
675 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
676 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
677 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
680 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
682 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
683 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
684 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
685 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
686 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
687 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
688 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
689 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
690 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
691 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
692 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
693 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
694 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
695 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
696 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
697 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
698 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
699 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
700 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
701 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
702 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
704 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
705 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
706 	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
707 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
708 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
709 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
710 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
711 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
712 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
713 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
714 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
715 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
716 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
717 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
718 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
719 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
720 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
721 	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
723 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
724 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
725 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
726 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
727 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
728 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
729 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
730 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
731 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
732 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
733 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
734 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
735 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
736 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
737 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
738 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
739 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
740 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_RTS01_PID) },
741 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
742 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
743 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
744 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
745 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
746 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
747 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
748 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
749 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
750 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
751 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
752 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
753 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
754 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
755 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
756 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
757 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
758 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
759 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
760 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
761 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
762 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
763 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
764 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
765 
766 	/* Papouch devices based on FTDI chip */
767 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
768 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
769 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
770 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
771 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
772 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
773 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
774 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
775 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
776 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
777 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
778 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
779 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
780 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
781 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
782 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
783 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
784 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
785 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
786 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
787 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
788 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
789 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
790 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
791 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
792 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
793 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
794 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
795 
796 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
797 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
798 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
799 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
800 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
801 	{ USB_DEVICE(DE_VID, STB_PID) },
802 	{ USB_DEVICE(DE_VID, WHT_PID) },
803 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
804 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
805 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
806 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
807 	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
808 					USB_CLASS_VENDOR_SPEC,
809 					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
810 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
811 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
812 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
813 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
814 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
815 	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
816 	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
817 	{ USB_DEVICE(PI_VID, PI_C866_PID) },
818 	{ USB_DEVICE(PI_VID, PI_C663_PID) },
819 	{ USB_DEVICE(PI_VID, PI_C725_PID) },
820 	{ USB_DEVICE(PI_VID, PI_E517_PID) },
821 	{ USB_DEVICE(PI_VID, PI_C863_PID) },
822 	{ USB_DEVICE(PI_VID, PI_E861_PID) },
823 	{ USB_DEVICE(PI_VID, PI_C867_PID) },
824 	{ USB_DEVICE(PI_VID, PI_E609_PID) },
825 	{ USB_DEVICE(PI_VID, PI_E709_PID) },
826 	{ USB_DEVICE(PI_VID, PI_100F_PID) },
827 	{ USB_DEVICE(PI_VID, PI_1011_PID) },
828 	{ USB_DEVICE(PI_VID, PI_1012_PID) },
829 	{ USB_DEVICE(PI_VID, PI_1013_PID) },
830 	{ USB_DEVICE(PI_VID, PI_1014_PID) },
831 	{ USB_DEVICE(PI_VID, PI_1015_PID) },
832 	{ USB_DEVICE(PI_VID, PI_1016_PID) },
833 	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
834 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
835 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
836 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
837 	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
838 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
839 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
840 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
841 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
842 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
843 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
844 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
845 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
846 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
847 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
848 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
849 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
850 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
851 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
852 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
853 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
854 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
855 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
856 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
857 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
858 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
859 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
860 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
861 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
862 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
863 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
864 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
865 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
866 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
867 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
868 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
869 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
870 	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
871 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
872 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
873 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
874 	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
875 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
876 	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
877 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
878 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
879 	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
880 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
881 	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
882 	/* Crucible Devices */
883 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
884 	{ },					/* Optional parameter entry */
885 	{ }					/* Terminating entry */
886 };
887 
888 MODULE_DEVICE_TABLE(usb, id_table_combined);
889 
890 static const char *ftdi_chip_name[] = {
891 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
892 	[FT8U232AM] = "FT8U232AM",
893 	[FT232BM] = "FT232BM",
894 	[FT2232C] = "FT2232C",
895 	[FT232RL] = "FT232RL",
896 	[FT2232H] = "FT2232H",
897 	[FT4232H] = "FT4232H",
898 	[FT232H]  = "FT232H",
899 	[FTX]     = "FT-X"
900 };
901 
902 
903 /* Used for TIOCMIWAIT */
904 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
905 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
906 /* End TIOCMIWAIT */
907 
908 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
909  | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
910 
911 /* function prototypes for a FTDI serial converter */
912 static int  ftdi_sio_probe(struct usb_serial *serial,
913 					const struct usb_device_id *id);
914 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
915 static int  ftdi_sio_port_remove(struct usb_serial_port *port);
916 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
917 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
918 static void ftdi_process_read_urb(struct urb *urb);
919 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
920 						void *dest, size_t size);
921 static void ftdi_set_termios(struct tty_struct *tty,
922 			struct usb_serial_port *port, struct ktermios *old);
923 static int  ftdi_tiocmget(struct tty_struct *tty);
924 static int  ftdi_tiocmset(struct tty_struct *tty,
925 			unsigned int set, unsigned int clear);
926 static int  ftdi_ioctl(struct tty_struct *tty,
927 			unsigned int cmd, unsigned long arg);
928 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
929 static bool ftdi_tx_empty(struct usb_serial_port *port);
930 static int ftdi_get_modem_status(struct usb_serial_port *port,
931 						unsigned char status[2]);
932 
933 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
934 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
935 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
936 static __u32 ftdi_232bm_baud_to_divisor(int baud);
937 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
938 static __u32 ftdi_2232h_baud_to_divisor(int baud);
939 
940 static struct usb_serial_driver ftdi_sio_device = {
941 	.driver = {
942 		.owner =	THIS_MODULE,
943 		.name =		"ftdi_sio",
944 	},
945 	.description =		"FTDI USB Serial Device",
946 	.id_table =		id_table_combined,
947 	.num_ports =		1,
948 	.bulk_in_size =		512,
949 	.bulk_out_size =	256,
950 	.probe =		ftdi_sio_probe,
951 	.port_probe =		ftdi_sio_port_probe,
952 	.port_remove =		ftdi_sio_port_remove,
953 	.open =			ftdi_open,
954 	.dtr_rts =		ftdi_dtr_rts,
955 	.throttle =		usb_serial_generic_throttle,
956 	.unthrottle =		usb_serial_generic_unthrottle,
957 	.process_read_urb =	ftdi_process_read_urb,
958 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
959 	.tiocmget =		ftdi_tiocmget,
960 	.tiocmset =		ftdi_tiocmset,
961 	.tiocmiwait =		usb_serial_generic_tiocmiwait,
962 	.get_icount =           usb_serial_generic_get_icount,
963 	.ioctl =		ftdi_ioctl,
964 	.set_termios =		ftdi_set_termios,
965 	.break_ctl =		ftdi_break_ctl,
966 	.tx_empty =		ftdi_tx_empty,
967 };
968 
969 static struct usb_serial_driver * const serial_drivers[] = {
970 	&ftdi_sio_device, NULL
971 };
972 
973 
974 #define WDR_TIMEOUT 5000 /* default urb timeout */
975 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
976 
977 /* High and low are for DTR, RTS etc etc */
978 #define HIGH 1
979 #define LOW 0
980 
981 /*
982  * ***************************************************************************
983  * Utility functions
984  * ***************************************************************************
985  */
986 
987 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
988 {
989 	unsigned short int divisor;
990 	/* divisor shifted 3 bits to the left */
991 	int divisor3 = base / 2 / baud;
992 	if ((divisor3 & 0x7) == 7)
993 		divisor3++; /* round x.7/8 up to x+1 */
994 	divisor = divisor3 >> 3;
995 	divisor3 &= 0x7;
996 	if (divisor3 == 1)
997 		divisor |= 0xc000;
998 	else if (divisor3 >= 4)
999 		divisor |= 0x4000;
1000 	else if (divisor3 != 0)
1001 		divisor |= 0x8000;
1002 	else if (divisor == 1)
1003 		divisor = 0;	/* special case for maximum baud rate */
1004 	return divisor;
1005 }
1006 
1007 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1008 {
1009 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1010 }
1011 
1012 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1013 {
1014 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1015 	__u32 divisor;
1016 	/* divisor shifted 3 bits to the left */
1017 	int divisor3 = base / 2 / baud;
1018 	divisor = divisor3 >> 3;
1019 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1020 	/* Deal with special cases for highest baud rates. */
1021 	if (divisor == 1)
1022 		divisor = 0;
1023 	else if (divisor == 0x4001)
1024 		divisor = 1;
1025 	return divisor;
1026 }
1027 
1028 static __u32 ftdi_232bm_baud_to_divisor(int baud)
1029 {
1030 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1031 }
1032 
1033 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1034 {
1035 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1036 	__u32 divisor;
1037 	int divisor3;
1038 
1039 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1040 	divisor3 = base * 8 / (baud * 10);
1041 
1042 	divisor = divisor3 >> 3;
1043 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1044 	/* Deal with special cases for highest baud rates. */
1045 	if (divisor == 1)
1046 		divisor = 0;
1047 	else if (divisor == 0x4001)
1048 		divisor = 1;
1049 	/*
1050 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1051 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1052 	 * baud with this bit set
1053 	 */
1054 	divisor |= 0x00020000;
1055 	return divisor;
1056 }
1057 
1058 static __u32 ftdi_2232h_baud_to_divisor(int baud)
1059 {
1060 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1061 }
1062 
1063 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1064 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1065 
1066 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1067 							unsigned int clear)
1068 {
1069 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1070 	struct device *dev = &port->dev;
1071 	unsigned urb_value;
1072 	int rv;
1073 
1074 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1075 		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1076 		return 0;	/* no change */
1077 	}
1078 
1079 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1080 	urb_value = 0;
1081 	if (clear & TIOCM_DTR)
1082 		urb_value |= FTDI_SIO_SET_DTR_LOW;
1083 	if (clear & TIOCM_RTS)
1084 		urb_value |= FTDI_SIO_SET_RTS_LOW;
1085 	if (set & TIOCM_DTR)
1086 		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1087 	if (set & TIOCM_RTS)
1088 		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1089 	rv = usb_control_msg(port->serial->dev,
1090 			       usb_sndctrlpipe(port->serial->dev, 0),
1091 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1092 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1093 			       urb_value, priv->interface,
1094 			       NULL, 0, WDR_TIMEOUT);
1095 	if (rv < 0) {
1096 		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1097 			__func__,
1098 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1099 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1100 		rv = usb_translate_errors(rv);
1101 	} else {
1102 		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1103 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1104 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1105 		/* FIXME: locking on last_dtr_rts */
1106 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1107 	}
1108 	return rv;
1109 }
1110 
1111 
1112 static __u32 get_ftdi_divisor(struct tty_struct *tty,
1113 						struct usb_serial_port *port)
1114 {
1115 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1116 	struct device *dev = &port->dev;
1117 	__u32 div_value = 0;
1118 	int div_okay = 1;
1119 	int baud;
1120 
1121 	/*
1122 	 * The logic involved in setting the baudrate can be cleanly split into
1123 	 * 3 steps.
1124 	 * 1. Standard baud rates are set in tty->termios->c_cflag
1125 	 * 2. If these are not enough, you can set any speed using alt_speed as
1126 	 * follows:
1127 	 *    - set tty->termios->c_cflag speed to B38400
1128 	 *    - set your real speed in tty->alt_speed; it gets ignored when
1129 	 *      alt_speed==0, (or)
1130 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1131 	 *	follows:
1132 	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1133 	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1134 	 *	SHI: 230400, WARP: 460800)
1135 	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1136 	 * 3. You can also set baud rate by setting custom divisor as follows
1137 	 *    - set tty->termios->c_cflag speed to B38400
1138 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1139 	 *	follows:
1140 	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1141 	 *      o custom_divisor set to baud_base / your_new_baudrate
1142 	 * ** Step 3 is done courtesy of code borrowed from serial.c
1143 	 *    I should really spend some time and separate + move this common
1144 	 *    code to serial.c, it is replicated in nearly every serial driver
1145 	 *    you see.
1146 	 */
1147 
1148 	/* 1. Get the baud rate from the tty settings, this observes
1149 	      alt_speed hack */
1150 
1151 	baud = tty_get_baud_rate(tty);
1152 	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1153 
1154 	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1155 	   if needed */
1156 
1157 	if (baud == 38400 &&
1158 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1159 	     (priv->custom_divisor)) {
1160 		baud = priv->baud_base / priv->custom_divisor;
1161 		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1162 			__func__, priv->custom_divisor, baud);
1163 	}
1164 
1165 	/* 3. Convert baudrate to device-specific divisor */
1166 
1167 	if (!baud)
1168 		baud = 9600;
1169 	switch (priv->chip_type) {
1170 	case SIO: /* SIO chip */
1171 		switch (baud) {
1172 		case 300: div_value = ftdi_sio_b300; break;
1173 		case 600: div_value = ftdi_sio_b600; break;
1174 		case 1200: div_value = ftdi_sio_b1200; break;
1175 		case 2400: div_value = ftdi_sio_b2400; break;
1176 		case 4800: div_value = ftdi_sio_b4800; break;
1177 		case 9600: div_value = ftdi_sio_b9600; break;
1178 		case 19200: div_value = ftdi_sio_b19200; break;
1179 		case 38400: div_value = ftdi_sio_b38400; break;
1180 		case 57600: div_value = ftdi_sio_b57600;  break;
1181 		case 115200: div_value = ftdi_sio_b115200; break;
1182 		} /* baud */
1183 		if (div_value == 0) {
1184 			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1185 				__func__,  baud);
1186 			div_value = ftdi_sio_b9600;
1187 			baud = 9600;
1188 			div_okay = 0;
1189 		}
1190 		break;
1191 	case FT8U232AM: /* 8U232AM chip */
1192 		if (baud <= 3000000) {
1193 			div_value = ftdi_232am_baud_to_divisor(baud);
1194 		} else {
1195 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1196 			baud = 9600;
1197 			div_value = ftdi_232am_baud_to_divisor(9600);
1198 			div_okay = 0;
1199 		}
1200 		break;
1201 	case FT232BM: /* FT232BM chip */
1202 	case FT2232C: /* FT2232C chip */
1203 	case FT232RL: /* FT232RL chip */
1204 	case FTX:     /* FT-X series */
1205 		if (baud <= 3000000) {
1206 			__u16 product_id = le16_to_cpu(
1207 				port->serial->dev->descriptor.idProduct);
1208 			if (((FTDI_NDI_HUC_PID == product_id) ||
1209 			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1210 			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1211 			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1212 			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1213 			    (baud == 19200)) {
1214 				baud = 1200000;
1215 			}
1216 			div_value = ftdi_232bm_baud_to_divisor(baud);
1217 		} else {
1218 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1219 			div_value = ftdi_232bm_baud_to_divisor(9600);
1220 			div_okay = 0;
1221 			baud = 9600;
1222 		}
1223 		break;
1224 	case FT2232H: /* FT2232H chip */
1225 	case FT4232H: /* FT4232H chip */
1226 	case FT232H:  /* FT232H chip */
1227 		if ((baud <= 12000000) && (baud >= 1200)) {
1228 			div_value = ftdi_2232h_baud_to_divisor(baud);
1229 		} else if (baud < 1200) {
1230 			div_value = ftdi_232bm_baud_to_divisor(baud);
1231 		} else {
1232 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1233 			div_value = ftdi_232bm_baud_to_divisor(9600);
1234 			div_okay = 0;
1235 			baud = 9600;
1236 		}
1237 		break;
1238 	} /* priv->chip_type */
1239 
1240 	if (div_okay) {
1241 		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1242 			__func__, baud, (unsigned long)div_value,
1243 			ftdi_chip_name[priv->chip_type]);
1244 	}
1245 
1246 	tty_encode_baud_rate(tty, baud, baud);
1247 	return div_value;
1248 }
1249 
1250 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1251 {
1252 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1253 	__u16 urb_value;
1254 	__u16 urb_index;
1255 	__u32 urb_index_value;
1256 	int rv;
1257 
1258 	urb_index_value = get_ftdi_divisor(tty, port);
1259 	urb_value = (__u16)urb_index_value;
1260 	urb_index = (__u16)(urb_index_value >> 16);
1261 	if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1262 		(priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1263 		/* Probably the BM type needs the MSB of the encoded fractional
1264 		 * divider also moved like for the chips above. Any infos? */
1265 		urb_index = (__u16)((urb_index << 8) | priv->interface);
1266 	}
1267 
1268 	rv = usb_control_msg(port->serial->dev,
1269 			    usb_sndctrlpipe(port->serial->dev, 0),
1270 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1271 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1272 			    urb_value, urb_index,
1273 			    NULL, 0, WDR_SHORT_TIMEOUT);
1274 	return rv;
1275 }
1276 
1277 static int write_latency_timer(struct usb_serial_port *port)
1278 {
1279 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1280 	struct usb_device *udev = port->serial->dev;
1281 	int rv;
1282 	int l = priv->latency;
1283 
1284 	if (priv->flags & ASYNC_LOW_LATENCY)
1285 		l = 1;
1286 
1287 	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1288 
1289 	rv = usb_control_msg(udev,
1290 			     usb_sndctrlpipe(udev, 0),
1291 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1292 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1293 			     l, priv->interface,
1294 			     NULL, 0, WDR_TIMEOUT);
1295 	if (rv < 0)
1296 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1297 	return rv;
1298 }
1299 
1300 static int read_latency_timer(struct usb_serial_port *port)
1301 {
1302 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1303 	struct usb_device *udev = port->serial->dev;
1304 	unsigned char *buf;
1305 	int rv;
1306 
1307 	buf = kmalloc(1, GFP_KERNEL);
1308 	if (!buf)
1309 		return -ENOMEM;
1310 
1311 	rv = usb_control_msg(udev,
1312 			     usb_rcvctrlpipe(udev, 0),
1313 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1314 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1315 			     0, priv->interface,
1316 			     buf, 1, WDR_TIMEOUT);
1317 	if (rv < 0)
1318 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1319 	else
1320 		priv->latency = buf[0];
1321 
1322 	kfree(buf);
1323 
1324 	return rv;
1325 }
1326 
1327 static int get_serial_info(struct usb_serial_port *port,
1328 				struct serial_struct __user *retinfo)
1329 {
1330 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1331 	struct serial_struct tmp;
1332 
1333 	if (!retinfo)
1334 		return -EFAULT;
1335 	memset(&tmp, 0, sizeof(tmp));
1336 	tmp.flags = priv->flags;
1337 	tmp.baud_base = priv->baud_base;
1338 	tmp.custom_divisor = priv->custom_divisor;
1339 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1340 		return -EFAULT;
1341 	return 0;
1342 }
1343 
1344 static int set_serial_info(struct tty_struct *tty,
1345 	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1346 {
1347 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1348 	struct serial_struct new_serial;
1349 	struct ftdi_private old_priv;
1350 
1351 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1352 		return -EFAULT;
1353 
1354 	mutex_lock(&priv->cfg_lock);
1355 	old_priv = *priv;
1356 
1357 	/* Do error checking and permission checking */
1358 
1359 	if (!capable(CAP_SYS_ADMIN)) {
1360 		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1361 		     (priv->flags & ~ASYNC_USR_MASK))) {
1362 			mutex_unlock(&priv->cfg_lock);
1363 			return -EPERM;
1364 		}
1365 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1366 			       (new_serial.flags & ASYNC_USR_MASK));
1367 		priv->custom_divisor = new_serial.custom_divisor;
1368 		goto check_and_exit;
1369 	}
1370 
1371 	if (new_serial.baud_base != priv->baud_base) {
1372 		mutex_unlock(&priv->cfg_lock);
1373 		return -EINVAL;
1374 	}
1375 
1376 	/* Make the changes - these are privileged changes! */
1377 
1378 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1379 					(new_serial.flags & ASYNC_FLAGS));
1380 	priv->custom_divisor = new_serial.custom_divisor;
1381 
1382 	write_latency_timer(port);
1383 
1384 check_and_exit:
1385 	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1386 	     (priv->flags & ASYNC_SPD_MASK)) {
1387 		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1388 			tty->alt_speed = 57600;
1389 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1390 			tty->alt_speed = 115200;
1391 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1392 			tty->alt_speed = 230400;
1393 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1394 			tty->alt_speed = 460800;
1395 		else
1396 			tty->alt_speed = 0;
1397 	}
1398 	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1399 	     (priv->flags & ASYNC_SPD_MASK)) ||
1400 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1401 	     (old_priv.custom_divisor != priv->custom_divisor))) {
1402 		change_speed(tty, port);
1403 		mutex_unlock(&priv->cfg_lock);
1404 	}
1405 	else
1406 		mutex_unlock(&priv->cfg_lock);
1407 	return 0;
1408 }
1409 
1410 static int get_lsr_info(struct usb_serial_port *port,
1411 			struct serial_struct __user *retinfo)
1412 {
1413 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1414 	unsigned int result = 0;
1415 
1416 	if (!retinfo)
1417 		return -EFAULT;
1418 
1419 	if (priv->transmit_empty)
1420 		result = TIOCSER_TEMT;
1421 
1422 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1423 		return -EFAULT;
1424 	return 0;
1425 }
1426 
1427 
1428 /* Determine type of FTDI chip based on USB config and descriptor. */
1429 static void ftdi_determine_type(struct usb_serial_port *port)
1430 {
1431 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1432 	struct usb_serial *serial = port->serial;
1433 	struct usb_device *udev = serial->dev;
1434 	unsigned version;
1435 	unsigned interfaces;
1436 
1437 	/* Assume it is not the original SIO device for now. */
1438 	priv->baud_base = 48000000 / 2;
1439 
1440 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1441 	interfaces = udev->actconfig->desc.bNumInterfaces;
1442 	dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1443 		version, interfaces);
1444 	if (interfaces > 1) {
1445 		int inter;
1446 
1447 		/* Multiple interfaces.*/
1448 		if (version == 0x0800) {
1449 			priv->chip_type = FT4232H;
1450 			/* Hi-speed - baud clock runs at 120MHz */
1451 			priv->baud_base = 120000000 / 2;
1452 		} else if (version == 0x0700) {
1453 			priv->chip_type = FT2232H;
1454 			/* Hi-speed - baud clock runs at 120MHz */
1455 			priv->baud_base = 120000000 / 2;
1456 		} else
1457 			priv->chip_type = FT2232C;
1458 
1459 		/* Determine interface code. */
1460 		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1461 		if (inter == 0) {
1462 			priv->interface = INTERFACE_A;
1463 		} else  if (inter == 1) {
1464 			priv->interface = INTERFACE_B;
1465 		} else  if (inter == 2) {
1466 			priv->interface = INTERFACE_C;
1467 		} else  if (inter == 3) {
1468 			priv->interface = INTERFACE_D;
1469 		}
1470 		/* BM-type devices have a bug where bcdDevice gets set
1471 		 * to 0x200 when iSerialNumber is 0.  */
1472 		if (version < 0x500) {
1473 			dev_dbg(&port->dev,
1474 				"%s: something fishy - bcdDevice too low for multi-interface device\n",
1475 				__func__);
1476 		}
1477 	} else if (version < 0x200) {
1478 		/* Old device.  Assume it's the original SIO. */
1479 		priv->chip_type = SIO;
1480 		priv->baud_base = 12000000 / 16;
1481 	} else if (version < 0x400) {
1482 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1483 		/* (It might be a BM because of the iSerialNumber bug,
1484 		 * but it will still work as an AM device.) */
1485 		priv->chip_type = FT8U232AM;
1486 	} else if (version < 0x600) {
1487 		/* Assume it's an FT232BM (or FT245BM) */
1488 		priv->chip_type = FT232BM;
1489 	} else if (version < 0x900) {
1490 		/* Assume it's an FT232RL */
1491 		priv->chip_type = FT232RL;
1492 	} else if (version < 0x1000) {
1493 		/* Assume it's an FT232H */
1494 		priv->chip_type = FT232H;
1495 	} else {
1496 		/* Assume it's an FT-X series device */
1497 		priv->chip_type = FTX;
1498 	}
1499 
1500 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1501 }
1502 
1503 
1504 /* Determine the maximum packet size for the device.  This depends on the chip
1505  * type and the USB host capabilities.  The value should be obtained from the
1506  * device descriptor as the chip will use the appropriate values for the host.*/
1507 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1508 {
1509 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1510 	struct usb_serial *serial = port->serial;
1511 	struct usb_device *udev = serial->dev;
1512 
1513 	struct usb_interface *interface = serial->interface;
1514 	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1515 
1516 	unsigned num_endpoints;
1517 	int i;
1518 
1519 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1520 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1521 
1522 	/* NOTE: some customers have programmed FT232R/FT245R devices
1523 	 * with an endpoint size of 0 - not good.  In this case, we
1524 	 * want to override the endpoint descriptor setting and use a
1525 	 * value of 64 for wMaxPacketSize */
1526 	for (i = 0; i < num_endpoints; i++) {
1527 		dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1528 			interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1529 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1530 		if (ep_desc->wMaxPacketSize == 0) {
1531 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1532 			dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1533 		}
1534 	}
1535 
1536 	/* set max packet size based on descriptor */
1537 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1538 
1539 	dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1540 }
1541 
1542 
1543 /*
1544  * ***************************************************************************
1545  * Sysfs Attribute
1546  * ***************************************************************************
1547  */
1548 
1549 static ssize_t show_latency_timer(struct device *dev,
1550 				struct device_attribute *attr, char *buf)
1551 {
1552 	struct usb_serial_port *port = to_usb_serial_port(dev);
1553 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1554 	if (priv->flags & ASYNC_LOW_LATENCY)
1555 		return sprintf(buf, "1\n");
1556 	else
1557 		return sprintf(buf, "%i\n", priv->latency);
1558 }
1559 
1560 
1561 /* Write a new value of the latency timer, in units of milliseconds. */
1562 static ssize_t store_latency_timer(struct device *dev,
1563 			struct device_attribute *attr, const char *valbuf,
1564 			size_t count)
1565 {
1566 	struct usb_serial_port *port = to_usb_serial_port(dev);
1567 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1568 	int v = simple_strtoul(valbuf, NULL, 10);
1569 	int rv;
1570 
1571 	priv->latency = v;
1572 	rv = write_latency_timer(port);
1573 	if (rv < 0)
1574 		return -EIO;
1575 	return count;
1576 }
1577 
1578 /* Write an event character directly to the FTDI register.  The ASCII
1579    value is in the low 8 bits, with the enable bit in the 9th bit. */
1580 static ssize_t store_event_char(struct device *dev,
1581 	struct device_attribute *attr, const char *valbuf, size_t count)
1582 {
1583 	struct usb_serial_port *port = to_usb_serial_port(dev);
1584 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1585 	struct usb_device *udev = port->serial->dev;
1586 	int v = simple_strtoul(valbuf, NULL, 10);
1587 	int rv;
1588 
1589 	dev_dbg(&port->dev, "%s: setting event char = %i\n", __func__, v);
1590 
1591 	rv = usb_control_msg(udev,
1592 			     usb_sndctrlpipe(udev, 0),
1593 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1594 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1595 			     v, priv->interface,
1596 			     NULL, 0, WDR_TIMEOUT);
1597 	if (rv < 0) {
1598 		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1599 		return -EIO;
1600 	}
1601 
1602 	return count;
1603 }
1604 
1605 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1606 							store_latency_timer);
1607 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1608 
1609 static int create_sysfs_attrs(struct usb_serial_port *port)
1610 {
1611 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1612 	int retval = 0;
1613 
1614 	/* XXX I've no idea if the original SIO supports the event_char
1615 	 * sysfs parameter, so I'm playing it safe.  */
1616 	if (priv->chip_type != SIO) {
1617 		dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1618 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1619 		if ((!retval) &&
1620 		    (priv->chip_type == FT232BM ||
1621 		     priv->chip_type == FT2232C ||
1622 		     priv->chip_type == FT232RL ||
1623 		     priv->chip_type == FT2232H ||
1624 		     priv->chip_type == FT4232H ||
1625 		     priv->chip_type == FT232H ||
1626 		     priv->chip_type == FTX)) {
1627 			retval = device_create_file(&port->dev,
1628 						    &dev_attr_latency_timer);
1629 		}
1630 	}
1631 	return retval;
1632 }
1633 
1634 static void remove_sysfs_attrs(struct usb_serial_port *port)
1635 {
1636 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1637 
1638 	/* XXX see create_sysfs_attrs */
1639 	if (priv->chip_type != SIO) {
1640 		device_remove_file(&port->dev, &dev_attr_event_char);
1641 		if (priv->chip_type == FT232BM ||
1642 		    priv->chip_type == FT2232C ||
1643 		    priv->chip_type == FT232RL ||
1644 		    priv->chip_type == FT2232H ||
1645 		    priv->chip_type == FT4232H ||
1646 		    priv->chip_type == FT232H ||
1647 		    priv->chip_type == FTX) {
1648 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1649 		}
1650 	}
1651 
1652 }
1653 
1654 /*
1655  * ***************************************************************************
1656  * FTDI driver specific functions
1657  * ***************************************************************************
1658  */
1659 
1660 /* Probe function to check for special devices */
1661 static int ftdi_sio_probe(struct usb_serial *serial,
1662 					const struct usb_device_id *id)
1663 {
1664 	struct ftdi_sio_quirk *quirk =
1665 				(struct ftdi_sio_quirk *)id->driver_info;
1666 
1667 	if (quirk && quirk->probe) {
1668 		int ret = quirk->probe(serial);
1669 		if (ret != 0)
1670 			return ret;
1671 	}
1672 
1673 	usb_set_serial_data(serial, (void *)id->driver_info);
1674 
1675 	return 0;
1676 }
1677 
1678 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1679 {
1680 	struct ftdi_private *priv;
1681 	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1682 
1683 
1684 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1685 	if (!priv) {
1686 		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1687 					sizeof(struct ftdi_private));
1688 		return -ENOMEM;
1689 	}
1690 
1691 	mutex_init(&priv->cfg_lock);
1692 
1693 	priv->flags = ASYNC_LOW_LATENCY;
1694 
1695 	if (quirk && quirk->port_probe)
1696 		quirk->port_probe(priv);
1697 
1698 	usb_set_serial_port_data(port, priv);
1699 
1700 	ftdi_determine_type(port);
1701 	ftdi_set_max_packet_size(port);
1702 	if (read_latency_timer(port) < 0)
1703 		priv->latency = 16;
1704 	write_latency_timer(port);
1705 	create_sysfs_attrs(port);
1706 	return 0;
1707 }
1708 
1709 /* Setup for the USB-UIRT device, which requires hardwired
1710  * baudrate (38400 gets mapped to 312500) */
1711 /* Called from usbserial:serial_probe */
1712 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1713 {
1714 	priv->flags |= ASYNC_SPD_CUST;
1715 	priv->custom_divisor = 77;
1716 	priv->force_baud = 38400;
1717 }
1718 
1719 /* Setup for the HE-TIRA1 device, which requires hardwired
1720  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1721 
1722 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1723 {
1724 	priv->flags |= ASYNC_SPD_CUST;
1725 	priv->custom_divisor = 240;
1726 	priv->force_baud = 38400;
1727 	priv->force_rtscts = 1;
1728 }
1729 
1730 /*
1731  * Module parameter to control latency timer for NDI FTDI-based USB devices.
1732  * If this value is not set in /etc/modprobe.d/ its value will be set
1733  * to 1ms.
1734  */
1735 static int ndi_latency_timer = 1;
1736 
1737 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1738  * baudrate (19200 gets mapped to 1200000).
1739  *
1740  * Called from usbserial:serial_probe.
1741  */
1742 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1743 {
1744 	struct usb_device *udev = serial->dev;
1745 	int latency = ndi_latency_timer;
1746 
1747 	if (latency == 0)
1748 		latency = 1;
1749 	if (latency > 99)
1750 		latency = 99;
1751 
1752 	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
1753 	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
1754 
1755 	/* FIXME: errors are not returned */
1756 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1757 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1758 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1759 				latency, 0, NULL, 0, WDR_TIMEOUT);
1760 	return 0;
1761 }
1762 
1763 /*
1764  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1765  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1766  * userspace using openocd.
1767  */
1768 static int ftdi_jtag_probe(struct usb_serial *serial)
1769 {
1770 	struct usb_device *udev = serial->dev;
1771 	struct usb_interface *interface = serial->interface;
1772 
1773 	if (interface == udev->actconfig->interface[0]) {
1774 		dev_info(&udev->dev,
1775 			 "Ignoring serial port reserved for JTAG\n");
1776 		return -ENODEV;
1777 	}
1778 
1779 	return 0;
1780 }
1781 
1782 static int ftdi_8u2232c_probe(struct usb_serial *serial)
1783 {
1784 	struct usb_device *udev = serial->dev;
1785 
1786 	if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) ||
1787 	    (udev->product && !strcmp(udev->product, "BeagleBone/XDS100V2")))
1788 		return ftdi_jtag_probe(serial);
1789 
1790 	return 0;
1791 }
1792 
1793 /*
1794  * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
1795  * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
1796  * can be accessed from userspace.
1797  * The next two ports are enabled as UARTs by default, where port 2 is
1798  * a conventional RS-232 UART.
1799  */
1800 static int ftdi_stmclite_probe(struct usb_serial *serial)
1801 {
1802 	struct usb_device *udev = serial->dev;
1803 	struct usb_interface *interface = serial->interface;
1804 
1805 	if (interface == udev->actconfig->interface[0] ||
1806 	    interface == udev->actconfig->interface[1]) {
1807 		dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1808 		return -ENODEV;
1809 	}
1810 
1811 	return 0;
1812 }
1813 
1814 /*
1815  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1816  * We have to correct it if we want to read from it.
1817  */
1818 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1819 {
1820 	struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1821 	struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1822 
1823 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1824 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1825 		dev_info(&serial->dev->dev,
1826 			 "Fixing invalid wMaxPacketSize on read pipe\n");
1827 	}
1828 
1829 	return 0;
1830 }
1831 
1832 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1833 {
1834 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1835 
1836 	remove_sysfs_attrs(port);
1837 
1838 	kfree(priv);
1839 
1840 	return 0;
1841 }
1842 
1843 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1844 {
1845 	struct ktermios dummy;
1846 	struct usb_device *dev = port->serial->dev;
1847 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1848 
1849 	/* No error checking for this (will get errors later anyway) */
1850 	/* See ftdi_sio.h for description of what is reset */
1851 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1852 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1853 			FTDI_SIO_RESET_SIO,
1854 			priv->interface, NULL, 0, WDR_TIMEOUT);
1855 
1856 	/* Termios defaults are set by usb_serial_init. We don't change
1857 	   port->tty->termios - this would lose speed settings, etc.
1858 	   This is same behaviour as serial.c/rs_open() - Kuba */
1859 
1860 	/* ftdi_set_termios  will send usb control messages */
1861 	if (tty) {
1862 		memset(&dummy, 0, sizeof(dummy));
1863 		ftdi_set_termios(tty, port, &dummy);
1864 	}
1865 
1866 	return usb_serial_generic_open(tty, port);
1867 }
1868 
1869 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1870 {
1871 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1872 
1873 	/* Disable flow control */
1874 	if (!on) {
1875 		if (usb_control_msg(port->serial->dev,
1876 			    usb_sndctrlpipe(port->serial->dev, 0),
1877 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1878 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1879 			    0, priv->interface, NULL, 0,
1880 			    WDR_TIMEOUT) < 0) {
1881 			dev_err(&port->dev, "error from flowcontrol urb\n");
1882 		}
1883 	}
1884 	/* drop RTS and DTR */
1885 	if (on)
1886 		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1887 	else
1888 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1889 }
1890 
1891 /* The SIO requires the first byte to have:
1892  *  B0 1
1893  *  B1 0
1894  *  B2..7 length of message excluding byte 0
1895  *
1896  * The new devices do not require this byte
1897  */
1898 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1899 						void *dest, size_t size)
1900 {
1901 	struct ftdi_private *priv;
1902 	int count;
1903 	unsigned long flags;
1904 
1905 	priv = usb_get_serial_port_data(port);
1906 
1907 	if (priv->chip_type == SIO) {
1908 		unsigned char *buffer = dest;
1909 		int i, len, c;
1910 
1911 		count = 0;
1912 		spin_lock_irqsave(&port->lock, flags);
1913 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
1914 			len = min_t(int, size - i, priv->max_packet_size) - 1;
1915 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1916 			if (!c)
1917 				break;
1918 			port->icount.tx += c;
1919 			buffer[i] = (c << 2) + 1;
1920 			count += c + 1;
1921 		}
1922 		spin_unlock_irqrestore(&port->lock, flags);
1923 	} else {
1924 		count = kfifo_out_locked(&port->write_fifo, dest, size,
1925 								&port->lock);
1926 		port->icount.tx += count;
1927 	}
1928 
1929 	return count;
1930 }
1931 
1932 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1933 
1934 static int ftdi_process_packet(struct usb_serial_port *port,
1935 		struct ftdi_private *priv, char *packet, int len)
1936 {
1937 	int i;
1938 	char status;
1939 	char flag;
1940 	char *ch;
1941 
1942 	if (len < 2) {
1943 		dev_dbg(&port->dev, "malformed packet\n");
1944 		return 0;
1945 	}
1946 
1947 	/* Compare new line status to the old one, signal if different/
1948 	   N.B. packet may be processed more than once, but differences
1949 	   are only processed once.  */
1950 	status = packet[0] & FTDI_STATUS_B0_MASK;
1951 	if (status != priv->prev_status) {
1952 		char diff_status = status ^ priv->prev_status;
1953 
1954 		if (diff_status & FTDI_RS0_CTS)
1955 			port->icount.cts++;
1956 		if (diff_status & FTDI_RS0_DSR)
1957 			port->icount.dsr++;
1958 		if (diff_status & FTDI_RS0_RI)
1959 			port->icount.rng++;
1960 		if (diff_status & FTDI_RS0_RLSD)
1961 			port->icount.dcd++;
1962 
1963 		wake_up_interruptible(&port->port.delta_msr_wait);
1964 		priv->prev_status = status;
1965 	}
1966 
1967 	flag = TTY_NORMAL;
1968 	if (packet[1] & FTDI_RS_ERR_MASK) {
1969 		/* Break takes precedence over parity, which takes precedence
1970 		 * over framing errors */
1971 		if (packet[1] & FTDI_RS_BI) {
1972 			flag = TTY_BREAK;
1973 			port->icount.brk++;
1974 			usb_serial_handle_break(port);
1975 		} else if (packet[1] & FTDI_RS_PE) {
1976 			flag = TTY_PARITY;
1977 			port->icount.parity++;
1978 		} else if (packet[1] & FTDI_RS_FE) {
1979 			flag = TTY_FRAME;
1980 			port->icount.frame++;
1981 		}
1982 		/* Overrun is special, not associated with a char */
1983 		if (packet[1] & FTDI_RS_OE) {
1984 			port->icount.overrun++;
1985 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
1986 		}
1987 	}
1988 
1989 	/* save if the transmitter is empty or not */
1990 	if (packet[1] & FTDI_RS_TEMT)
1991 		priv->transmit_empty = 1;
1992 	else
1993 		priv->transmit_empty = 0;
1994 
1995 	len -= 2;
1996 	if (!len)
1997 		return 0;	/* status only */
1998 	port->icount.rx += len;
1999 	ch = packet + 2;
2000 
2001 	if (port->port.console && port->sysrq) {
2002 		for (i = 0; i < len; i++, ch++) {
2003 			if (!usb_serial_handle_sysrq_char(port, *ch))
2004 				tty_insert_flip_char(&port->port, *ch, flag);
2005 		}
2006 	} else {
2007 		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
2008 	}
2009 
2010 	return len;
2011 }
2012 
2013 static void ftdi_process_read_urb(struct urb *urb)
2014 {
2015 	struct usb_serial_port *port = urb->context;
2016 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2017 	char *data = (char *)urb->transfer_buffer;
2018 	int i;
2019 	int len;
2020 	int count = 0;
2021 
2022 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2023 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2024 		count += ftdi_process_packet(port, priv, &data[i], len);
2025 	}
2026 
2027 	if (count)
2028 		tty_flip_buffer_push(&port->port);
2029 }
2030 
2031 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2032 {
2033 	struct usb_serial_port *port = tty->driver_data;
2034 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2035 	__u16 urb_value;
2036 
2037 	/* break_state = -1 to turn on break, and 0 to turn off break */
2038 	/* see drivers/char/tty_io.c to see it used */
2039 	/* last_set_data_urb_value NEVER has the break bit set in it */
2040 
2041 	if (break_state)
2042 		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2043 	else
2044 		urb_value = priv->last_set_data_urb_value;
2045 
2046 	if (usb_control_msg(port->serial->dev,
2047 			usb_sndctrlpipe(port->serial->dev, 0),
2048 			FTDI_SIO_SET_DATA_REQUEST,
2049 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2050 			urb_value , priv->interface,
2051 			NULL, 0, WDR_TIMEOUT) < 0) {
2052 		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2053 			__func__, break_state);
2054 	}
2055 
2056 	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2057 		break_state, urb_value);
2058 
2059 }
2060 
2061 static bool ftdi_tx_empty(struct usb_serial_port *port)
2062 {
2063 	unsigned char buf[2];
2064 	int ret;
2065 
2066 	ret = ftdi_get_modem_status(port, buf);
2067 	if (ret == 2) {
2068 		if (!(buf[1] & FTDI_RS_TEMT))
2069 			return false;
2070 	}
2071 
2072 	return true;
2073 }
2074 
2075 /* old_termios contains the original termios settings and tty->termios contains
2076  * the new setting to be used
2077  * WARNING: set_termios calls this with old_termios in kernel space
2078  */
2079 static void ftdi_set_termios(struct tty_struct *tty,
2080 		struct usb_serial_port *port, struct ktermios *old_termios)
2081 {
2082 	struct usb_device *dev = port->serial->dev;
2083 	struct device *ddev = &port->dev;
2084 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2085 	struct ktermios *termios = &tty->termios;
2086 	unsigned int cflag = termios->c_cflag;
2087 	__u16 urb_value; /* will hold the new flags */
2088 
2089 	/* Added for xon/xoff support */
2090 	unsigned int iflag = termios->c_iflag;
2091 	unsigned char vstop;
2092 	unsigned char vstart;
2093 
2094 	/* Force baud rate if this device requires it, unless it is set to
2095 	   B0. */
2096 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2097 		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2098 		tty_encode_baud_rate(tty, priv->force_baud,
2099 					priv->force_baud);
2100 	}
2101 
2102 	/* Force RTS-CTS if this device requires it. */
2103 	if (priv->force_rtscts) {
2104 		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2105 		termios->c_cflag |= CRTSCTS;
2106 	}
2107 
2108 	cflag = termios->c_cflag;
2109 
2110 	if (!old_termios)
2111 		goto no_skip;
2112 
2113 	if (old_termios->c_cflag == termios->c_cflag
2114 	    && old_termios->c_ispeed == termios->c_ispeed
2115 	    && old_termios->c_ospeed == termios->c_ospeed)
2116 		goto no_c_cflag_changes;
2117 
2118 	/* NOTE These routines can get interrupted by
2119 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2120 	   don't see any problems yet */
2121 
2122 	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2123 	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2124 		goto no_data_parity_stop_changes;
2125 
2126 no_skip:
2127 	/* Set number of data bits, parity, stop bits */
2128 
2129 	urb_value = 0;
2130 	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2131 		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2132 	if (cflag & PARENB) {
2133 		if (cflag & CMSPAR)
2134 			urb_value |= cflag & PARODD ?
2135 				     FTDI_SIO_SET_DATA_PARITY_MARK :
2136 				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2137 		else
2138 			urb_value |= cflag & PARODD ?
2139 				     FTDI_SIO_SET_DATA_PARITY_ODD :
2140 				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2141 	} else {
2142 		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2143 	}
2144 	if (cflag & CSIZE) {
2145 		switch (cflag & CSIZE) {
2146 		case CS7:
2147 			urb_value |= 7;
2148 			dev_dbg(ddev, "Setting CS7\n");
2149 			break;
2150 		case CS8:
2151 			urb_value |= 8;
2152 			dev_dbg(ddev, "Setting CS8\n");
2153 			break;
2154 		default:
2155 			dev_err(ddev, "CSIZE was set but not CS7-CS8\n");
2156 		}
2157 	}
2158 
2159 	/* This is needed by the break command since it uses the same command
2160 	   - but is or'ed with this value  */
2161 	priv->last_set_data_urb_value = urb_value;
2162 
2163 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2164 			    FTDI_SIO_SET_DATA_REQUEST,
2165 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2166 			    urb_value , priv->interface,
2167 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2168 		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2169 			__func__);
2170 	}
2171 
2172 	/* Now do the baudrate */
2173 no_data_parity_stop_changes:
2174 	if ((cflag & CBAUD) == B0) {
2175 		/* Disable flow control */
2176 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2177 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2178 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2179 				    0, priv->interface,
2180 				    NULL, 0, WDR_TIMEOUT) < 0) {
2181 			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2182 				__func__);
2183 		}
2184 		/* Drop RTS and DTR */
2185 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2186 	} else {
2187 		/* set the baudrate determined before */
2188 		mutex_lock(&priv->cfg_lock);
2189 		if (change_speed(tty, port))
2190 			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2191 		mutex_unlock(&priv->cfg_lock);
2192 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2193 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2194 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2195 	}
2196 
2197 	/* Set flow control */
2198 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2199 no_c_cflag_changes:
2200 	if (cflag & CRTSCTS) {
2201 		dev_dbg(ddev, "%s Setting to CRTSCTS flow control\n", __func__);
2202 		if (usb_control_msg(dev,
2203 				    usb_sndctrlpipe(dev, 0),
2204 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2205 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2206 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2207 				    NULL, 0, WDR_TIMEOUT) < 0) {
2208 			dev_err(ddev, "urb failed to set to rts/cts flow control\n");
2209 		}
2210 	} else {
2211 		/*
2212 		 * Xon/Xoff code
2213 		 *
2214 		 * Check the IXOFF status in the iflag component of the
2215 		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2216 		 * code is executed.
2217 		 */
2218 		if (iflag & IXOFF) {
2219 			dev_dbg(ddev, "%s  request to enable xonxoff iflag=%04x\n",
2220 				__func__, iflag);
2221 			/* Try to enable the XON/XOFF on the ftdi_sio
2222 			 * Set the vstart and vstop -- could have been done up
2223 			 * above where a lot of other dereferencing is done but
2224 			 * that would be very inefficient as vstart and vstop
2225 			 * are not always needed.
2226 			 */
2227 			vstart = termios->c_cc[VSTART];
2228 			vstop = termios->c_cc[VSTOP];
2229 			urb_value = (vstop << 8) | (vstart);
2230 
2231 			if (usb_control_msg(dev,
2232 					    usb_sndctrlpipe(dev, 0),
2233 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2234 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2235 					    urb_value , (FTDI_SIO_XON_XOFF_HS
2236 							 | priv->interface),
2237 					    NULL, 0, WDR_TIMEOUT) < 0) {
2238 				dev_err(&port->dev, "urb failed to set to "
2239 					"xon/xoff flow control\n");
2240 			}
2241 		} else {
2242 			/* else clause to only run if cflag ! CRTSCTS and iflag
2243 			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2244 			 * stack - not by device */
2245 			dev_dbg(ddev, "%s Turning off hardware flow control\n", __func__);
2246 			if (usb_control_msg(dev,
2247 					    usb_sndctrlpipe(dev, 0),
2248 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2249 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2250 					    0, priv->interface,
2251 					    NULL, 0, WDR_TIMEOUT) < 0) {
2252 				dev_err(ddev, "urb failed to clear flow control\n");
2253 			}
2254 		}
2255 	}
2256 }
2257 
2258 /*
2259  * Get modem-control status.
2260  *
2261  * Returns the number of status bytes retrieved (device dependant), or
2262  * negative error code.
2263  */
2264 static int ftdi_get_modem_status(struct usb_serial_port *port,
2265 						unsigned char status[2])
2266 {
2267 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2268 	unsigned char *buf;
2269 	int len;
2270 	int ret;
2271 
2272 	buf = kmalloc(2, GFP_KERNEL);
2273 	if (!buf)
2274 		return -ENOMEM;
2275 	/*
2276 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2277 	 * the same format as the data returned from the in point.
2278 	 */
2279 	switch (priv->chip_type) {
2280 	case SIO:
2281 		len = 1;
2282 		break;
2283 	case FT8U232AM:
2284 	case FT232BM:
2285 	case FT2232C:
2286 	case FT232RL:
2287 	case FT2232H:
2288 	case FT4232H:
2289 	case FT232H:
2290 	case FTX:
2291 		len = 2;
2292 		break;
2293 	default:
2294 		ret = -EFAULT;
2295 		goto out;
2296 	}
2297 
2298 	ret = usb_control_msg(port->serial->dev,
2299 			usb_rcvctrlpipe(port->serial->dev, 0),
2300 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2301 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2302 			0, priv->interface,
2303 			buf, len, WDR_TIMEOUT);
2304 	if (ret < 0) {
2305 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2306 		ret = usb_translate_errors(ret);
2307 		goto out;
2308 	}
2309 
2310 	status[0] = buf[0];
2311 	if (ret > 1)
2312 		status[1] = buf[1];
2313 	else
2314 		status[1] = 0;
2315 
2316 	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2317 								status[1]);
2318 out:
2319 	kfree(buf);
2320 
2321 	return ret;
2322 }
2323 
2324 static int ftdi_tiocmget(struct tty_struct *tty)
2325 {
2326 	struct usb_serial_port *port = tty->driver_data;
2327 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2328 	unsigned char buf[2];
2329 	int ret;
2330 
2331 	ret = ftdi_get_modem_status(port, buf);
2332 	if (ret < 0)
2333 		return ret;
2334 
2335 	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2336 		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2337 		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2338 		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2339 		priv->last_dtr_rts;
2340 
2341 	return ret;
2342 }
2343 
2344 static int ftdi_tiocmset(struct tty_struct *tty,
2345 			unsigned int set, unsigned int clear)
2346 {
2347 	struct usb_serial_port *port = tty->driver_data;
2348 
2349 	return update_mctrl(port, set, clear);
2350 }
2351 
2352 static int ftdi_ioctl(struct tty_struct *tty,
2353 					unsigned int cmd, unsigned long arg)
2354 {
2355 	struct usb_serial_port *port = tty->driver_data;
2356 
2357 	dev_dbg(&port->dev, "%s cmd 0x%04x\n", __func__, cmd);
2358 
2359 	/* Based on code from acm.c and others */
2360 	switch (cmd) {
2361 
2362 	case TIOCGSERIAL: /* gets serial port data */
2363 		return get_serial_info(port,
2364 					(struct serial_struct __user *) arg);
2365 
2366 	case TIOCSSERIAL: /* sets serial port data */
2367 		return set_serial_info(tty, port,
2368 					(struct serial_struct __user *) arg);
2369 	case TIOCSERGETLSR:
2370 		return get_lsr_info(port, (struct serial_struct __user *)arg);
2371 		break;
2372 	default:
2373 		break;
2374 	}
2375 	/* This is not necessarily an error - turns out the higher layers
2376 	 * will do some ioctls themselves (see comment above)
2377 	 */
2378 	dev_dbg(&port->dev, "%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h\n",
2379 		__func__, cmd);
2380 	return -ENOIOCTLCMD;
2381 }
2382 
2383 static int __init ftdi_init(void)
2384 {
2385 	if (vendor > 0 && product > 0) {
2386 		/* Add user specified VID/PID to reserved element of table. */
2387 		int i;
2388 		for (i = 0; id_table_combined[i].idVendor; i++)
2389 			;
2390 		id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2391 		id_table_combined[i].idVendor = vendor;
2392 		id_table_combined[i].idProduct = product;
2393 	}
2394 	return usb_serial_register_drivers(serial_drivers, KBUILD_MODNAME, id_table_combined);
2395 }
2396 
2397 static void __exit ftdi_exit(void)
2398 {
2399 	usb_serial_deregister_drivers(serial_drivers);
2400 }
2401 
2402 
2403 module_init(ftdi_init);
2404 module_exit(ftdi_exit);
2405 
2406 MODULE_AUTHOR(DRIVER_AUTHOR);
2407 MODULE_DESCRIPTION(DRIVER_DESC);
2408 MODULE_LICENSE("GPL");
2409 
2410 module_param(vendor, ushort, 0);
2411 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2412 		__MODULE_STRING(FTDI_VID)")");
2413 module_param(product, ushort, 0);
2414 MODULE_PARM_DESC(product, "User specified product ID");
2415 
2416 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2417 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2418