xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision 565d76cb)
1 /*
2  * USB FTDI SIO driver
3  *
4  *	Copyright (C) 2009 - 2010
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 upto 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 /*
52  * Version Information
53  */
54 #define DRIVER_VERSION "v1.6.0"
55 #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>"
56 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
57 
58 static int debug;
59 static __u16 vendor = FTDI_VID;
60 static __u16 product;
61 
62 struct ftdi_private {
63 	struct kref kref;
64 	enum ftdi_chip_type chip_type;
65 				/* type of device, either SIO or FT8U232AM */
66 	int baud_base;		/* baud base clock for divisor setting */
67 	int custom_divisor;	/* custom_divisor kludge, this is for
68 				   baud_base (different from what goes to the
69 				   chip!) */
70 	__u16 last_set_data_urb_value ;
71 				/* the last data state set - needed for doing
72 				 * a break
73 				 */
74 	int flags;		/* some ASYNC_xxxx flags are supported */
75 	unsigned long last_dtr_rts;	/* saved modem control outputs */
76 	wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
77 	char prev_status, diff_status;        /* Used for TIOCMIWAIT */
78 	char transmit_empty;	/* If transmitter is empty or not */
79 	struct usb_serial_port *port;
80 	__u16 interface;	/* FT2232C, FT2232H or FT4232H port interface
81 				   (0 for FT232/245) */
82 
83 	speed_t force_baud;	/* if non-zero, force the baud rate to
84 				   this value */
85 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
86 				   be enabled */
87 
88 	unsigned int latency;		/* latency setting in use */
89 	unsigned short max_packet_size;
90 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
91 };
92 
93 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
94 struct ftdi_sio_quirk {
95 	int (*probe)(struct usb_serial *);
96 	/* Special settings for probed ports. */
97 	void (*port_probe)(struct ftdi_private *);
98 };
99 
100 static int   ftdi_jtag_probe(struct usb_serial *serial);
101 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
102 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
103 static int   ftdi_stmclite_probe(struct usb_serial *serial);
104 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
105 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
106 
107 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
108 	.probe	= ftdi_jtag_probe,
109 };
110 
111 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
112 	.probe  = ftdi_mtxorb_hack_setup,
113 };
114 
115 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
116 	.probe	= ftdi_NDI_device_setup,
117 };
118 
119 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
120 	.port_probe = ftdi_USB_UIRT_setup,
121 };
122 
123 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
124 	.port_probe = ftdi_HE_TIRA1_setup,
125 };
126 
127 static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
128 	.probe	= ftdi_stmclite_probe,
129 };
130 
131 /*
132  * The 8U232AM has the same API as the sio except for:
133  * - it can support MUCH higher baudrates; up to:
134  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
135  *   o 230400 at 12MHz
136  *   so .. 8U232AM's baudrate setting codes are different
137  * - it has a two byte status code.
138  * - it returns characters every 16ms (the FTDI does it every 40ms)
139  *
140  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
141  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
142  * combinations in both tables.
143  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
144  * but I don't know if those ever went into mass production. [Ian Abbott]
145  */
146 
147 
148 
149 /*
150  * Device ID not listed? Test via module params product/vendor or
151  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
152  */
153 static struct usb_device_id id_table_combined [] = {
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 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
180 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
187 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
188 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
191 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
192 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
193 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
194 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
195 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
200 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
211 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
212 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
213 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
214 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
215 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
216 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
217 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
218 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
219 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
220 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
221 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
222 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
251 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
257 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
297 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
299 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
301 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
303 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
305 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
307 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
475 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
476 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
477 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
478 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
479 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
480 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
481 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
482 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
483 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
484 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
485 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
486 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
487 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
488 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
489 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
490 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
491 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
492 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
493 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
494 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
495 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
496 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
497 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
498 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
499 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
500 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
501 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
502 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
503 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
504 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
505 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
506 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
507 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
508 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
509 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
510 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
511 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
512 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
513 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
514 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
515 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
526 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
527 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
528 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
529 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
530 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
531 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
532 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
533 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
534 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
535 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
536 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
537 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
538 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
539 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
540 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
541 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
542 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
543 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
544 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
545 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
546 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
547 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
548 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
549 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
550 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
551 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
552 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
553 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
554 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
555 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
556 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
557 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
558 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
559 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
560 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
561 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
562 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
563 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
564 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
565 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
566 	/*
567 	 * ELV devices:
568 	 */
569 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
571 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
572 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
573 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
574 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
575 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
576 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
577 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
581 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
582 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
583 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
584 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
604 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
605 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
606 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
607 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
608 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
615 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
616 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
617 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
618 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
619 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
621 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
622 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
623 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
624 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
625 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
626 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
627 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
628 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
629 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
630 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
631 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
632 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
633 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
634 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
635 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
636 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
637 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
638 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
639 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
640 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
641 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
642 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
643 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
644 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
645 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
646 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
647 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
648 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
649 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
650 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
651 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
652 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
653 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
654 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
662 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
663 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
664 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
665 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
666 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
667 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
668 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
673 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
675 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
676 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
677 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
680 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
682 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
683 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
684 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
685 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
686 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
687 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
688 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
689 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
690 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
691 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
692 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
693 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
694 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
695 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
696 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
697 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
698 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
699 	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
700 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
701 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
702 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
704 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
705 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
706 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
707 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
708 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
709 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
710 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
711 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
712 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
713 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
714 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
715 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
716 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
717 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
718 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
719 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
720 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
721 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
723 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
724 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
725 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
726 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
727 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
728 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
729 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
730 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
731 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
732 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
733 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
734 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
735 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
736 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
737 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
738 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
739 
740 	/* Papouch devices based on FTDI chip */
741 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
742 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
743 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
744 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
745 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
746 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
747 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
748 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
749 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
750 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
751 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
752 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
753 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
754 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
755 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
756 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
757 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
758 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
759 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
760 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
761 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
762 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
763 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
764 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
765 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
766 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
767 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
768 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
769 
770 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
771 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
772 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
773 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
774 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
775 	{ USB_DEVICE(DE_VID, STB_PID) },
776 	{ USB_DEVICE(DE_VID, WHT_PID) },
777 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
778 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
779 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
780 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
781 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
782 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
783 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
784 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
785 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
786 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
787 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
788 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
789 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
790 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
791 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
792 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
793 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
794 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
795 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
796 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
797 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
798 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
799 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
800 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
801 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
802 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
803 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
804 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
805 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
806 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
807 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
808 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
809 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
810 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
811 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
812 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
813 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
814 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
815 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
816 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
817 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
818 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
819 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
820 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
821 	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
822 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
823 	{ },					/* Optional parameter entry */
824 	{ }					/* Terminating entry */
825 };
826 
827 MODULE_DEVICE_TABLE(usb, id_table_combined);
828 
829 static struct usb_driver ftdi_driver = {
830 	.name =		"ftdi_sio",
831 	.probe =	usb_serial_probe,
832 	.disconnect =	usb_serial_disconnect,
833 	.id_table =	id_table_combined,
834 	.no_dynamic_id =	1,
835 };
836 
837 static const char *ftdi_chip_name[] = {
838 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
839 	[FT8U232AM] = "FT8U232AM",
840 	[FT232BM] = "FT232BM",
841 	[FT2232C] = "FT2232C",
842 	[FT232RL] = "FT232RL",
843 	[FT2232H] = "FT2232H",
844 	[FT4232H] = "FT4232H"
845 };
846 
847 
848 /* Used for TIOCMIWAIT */
849 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
850 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
851 /* End TIOCMIWAIT */
852 
853 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
854  | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
855 
856 /* function prototypes for a FTDI serial converter */
857 static int  ftdi_sio_probe(struct usb_serial *serial,
858 					const struct usb_device_id *id);
859 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
860 static int  ftdi_sio_port_remove(struct usb_serial_port *port);
861 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
862 static void ftdi_close(struct usb_serial_port *port);
863 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
864 static void ftdi_process_read_urb(struct urb *urb);
865 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
866 						void *dest, size_t size);
867 static void ftdi_set_termios(struct tty_struct *tty,
868 			struct usb_serial_port *port, struct ktermios *old);
869 static int  ftdi_tiocmget(struct tty_struct *tty);
870 static int  ftdi_tiocmset(struct tty_struct *tty,
871 			unsigned int set, unsigned int clear);
872 static int  ftdi_ioctl(struct tty_struct *tty,
873 			unsigned int cmd, unsigned long arg);
874 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
875 
876 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
877 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
878 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
879 static __u32 ftdi_232bm_baud_to_divisor(int baud);
880 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
881 static __u32 ftdi_2232h_baud_to_divisor(int baud);
882 
883 static struct usb_serial_driver ftdi_sio_device = {
884 	.driver = {
885 		.owner =	THIS_MODULE,
886 		.name =		"ftdi_sio",
887 	},
888 	.description =		"FTDI USB Serial Device",
889 	.usb_driver = 		&ftdi_driver,
890 	.id_table =		id_table_combined,
891 	.num_ports =		1,
892 	.bulk_in_size =		512,
893 	.bulk_out_size =	256,
894 	.probe =		ftdi_sio_probe,
895 	.port_probe =		ftdi_sio_port_probe,
896 	.port_remove =		ftdi_sio_port_remove,
897 	.open =			ftdi_open,
898 	.close =		ftdi_close,
899 	.dtr_rts =		ftdi_dtr_rts,
900 	.throttle =		usb_serial_generic_throttle,
901 	.unthrottle =		usb_serial_generic_unthrottle,
902 	.process_read_urb =	ftdi_process_read_urb,
903 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
904 	.tiocmget =		ftdi_tiocmget,
905 	.tiocmset =		ftdi_tiocmset,
906 	.ioctl =		ftdi_ioctl,
907 	.set_termios =		ftdi_set_termios,
908 	.break_ctl =		ftdi_break_ctl,
909 };
910 
911 
912 #define WDR_TIMEOUT 5000 /* default urb timeout */
913 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
914 
915 /* High and low are for DTR, RTS etc etc */
916 #define HIGH 1
917 #define LOW 0
918 
919 /*
920  * ***************************************************************************
921  * Utility functions
922  * ***************************************************************************
923  */
924 
925 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
926 {
927 	unsigned short int divisor;
928 	/* divisor shifted 3 bits to the left */
929 	int divisor3 = base / 2 / baud;
930 	if ((divisor3 & 0x7) == 7)
931 		divisor3++; /* round x.7/8 up to x+1 */
932 	divisor = divisor3 >> 3;
933 	divisor3 &= 0x7;
934 	if (divisor3 == 1)
935 		divisor |= 0xc000;
936 	else if (divisor3 >= 4)
937 		divisor |= 0x4000;
938 	else if (divisor3 != 0)
939 		divisor |= 0x8000;
940 	else if (divisor == 1)
941 		divisor = 0;	/* special case for maximum baud rate */
942 	return divisor;
943 }
944 
945 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
946 {
947 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
948 }
949 
950 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
951 {
952 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
953 	__u32 divisor;
954 	/* divisor shifted 3 bits to the left */
955 	int divisor3 = base / 2 / baud;
956 	divisor = divisor3 >> 3;
957 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
958 	/* Deal with special cases for highest baud rates. */
959 	if (divisor == 1)
960 		divisor = 0;
961 	else if (divisor == 0x4001)
962 		divisor = 1;
963 	return divisor;
964 }
965 
966 static __u32 ftdi_232bm_baud_to_divisor(int baud)
967 {
968 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
969 }
970 
971 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
972 {
973 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
974 	__u32 divisor;
975 	int divisor3;
976 
977 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
978 	divisor3 = base * 8 / (baud * 10);
979 
980 	divisor = divisor3 >> 3;
981 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
982 	/* Deal with special cases for highest baud rates. */
983 	if (divisor == 1)
984 		divisor = 0;
985 	else if (divisor == 0x4001)
986 		divisor = 1;
987 	/*
988 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
989 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
990 	 * baud with this bit set
991 	 */
992 	divisor |= 0x00020000;
993 	return divisor;
994 }
995 
996 static __u32 ftdi_2232h_baud_to_divisor(int baud)
997 {
998 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
999 }
1000 
1001 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1002 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1003 
1004 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1005 							unsigned int clear)
1006 {
1007 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1008 	unsigned urb_value;
1009 	int rv;
1010 
1011 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1012 		dbg("%s - DTR|RTS not being set|cleared", __func__);
1013 		return 0;	/* no change */
1014 	}
1015 
1016 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1017 	urb_value = 0;
1018 	if (clear & TIOCM_DTR)
1019 		urb_value |= FTDI_SIO_SET_DTR_LOW;
1020 	if (clear & TIOCM_RTS)
1021 		urb_value |= FTDI_SIO_SET_RTS_LOW;
1022 	if (set & TIOCM_DTR)
1023 		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1024 	if (set & TIOCM_RTS)
1025 		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1026 	rv = usb_control_msg(port->serial->dev,
1027 			       usb_sndctrlpipe(port->serial->dev, 0),
1028 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1029 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1030 			       urb_value, priv->interface,
1031 			       NULL, 0, WDR_TIMEOUT);
1032 	if (rv < 0) {
1033 		dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
1034 				__func__,
1035 				(set & TIOCM_DTR) ? "HIGH" :
1036 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1037 				(set & TIOCM_RTS) ? "HIGH" :
1038 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1039 	} else {
1040 		dbg("%s - DTR %s, RTS %s", __func__,
1041 				(set & TIOCM_DTR) ? "HIGH" :
1042 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1043 				(set & TIOCM_RTS) ? "HIGH" :
1044 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1045 		/* FIXME: locking on last_dtr_rts */
1046 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1047 	}
1048 	return rv;
1049 }
1050 
1051 
1052 static __u32 get_ftdi_divisor(struct tty_struct *tty,
1053 						struct usb_serial_port *port)
1054 {
1055 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1056 	__u32 div_value = 0;
1057 	int div_okay = 1;
1058 	int baud;
1059 
1060 	/*
1061 	 * The logic involved in setting the baudrate can be cleanly split into
1062 	 * 3 steps.
1063 	 * 1. Standard baud rates are set in tty->termios->c_cflag
1064 	 * 2. If these are not enough, you can set any speed using alt_speed as
1065 	 * follows:
1066 	 *    - set tty->termios->c_cflag speed to B38400
1067 	 *    - set your real speed in tty->alt_speed; it gets ignored when
1068 	 *      alt_speed==0, (or)
1069 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1070 	 *	follows:
1071 	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1072 	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1073 	 *	SHI: 230400, WARP: 460800)
1074 	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1075 	 * 3. You can also set baud rate by setting custom divisor as follows
1076 	 *    - set tty->termios->c_cflag speed to B38400
1077 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1078 	 *	follows:
1079 	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1080 	 *      o custom_divisor set to baud_base / your_new_baudrate
1081 	 * ** Step 3 is done courtesy of code borrowed from serial.c
1082 	 *    I should really spend some time and separate + move this common
1083 	 *    code to serial.c, it is replicated in nearly every serial driver
1084 	 *    you see.
1085 	 */
1086 
1087 	/* 1. Get the baud rate from the tty settings, this observes
1088 	      alt_speed hack */
1089 
1090 	baud = tty_get_baud_rate(tty);
1091 	dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1092 
1093 	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1094 	   if needed */
1095 
1096 	if (baud == 38400 &&
1097 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1098 	     (priv->custom_divisor)) {
1099 		baud = priv->baud_base / priv->custom_divisor;
1100 		dbg("%s - custom divisor %d sets baud rate to %d",
1101 				__func__, priv->custom_divisor, baud);
1102 	}
1103 
1104 	/* 3. Convert baudrate to device-specific divisor */
1105 
1106 	if (!baud)
1107 		baud = 9600;
1108 	switch (priv->chip_type) {
1109 	case SIO: /* SIO chip */
1110 		switch (baud) {
1111 		case 300: div_value = ftdi_sio_b300; break;
1112 		case 600: div_value = ftdi_sio_b600; break;
1113 		case 1200: div_value = ftdi_sio_b1200; break;
1114 		case 2400: div_value = ftdi_sio_b2400; break;
1115 		case 4800: div_value = ftdi_sio_b4800; break;
1116 		case 9600: div_value = ftdi_sio_b9600; break;
1117 		case 19200: div_value = ftdi_sio_b19200; break;
1118 		case 38400: div_value = ftdi_sio_b38400; break;
1119 		case 57600: div_value = ftdi_sio_b57600;  break;
1120 		case 115200: div_value = ftdi_sio_b115200; break;
1121 		} /* baud */
1122 		if (div_value == 0) {
1123 			dbg("%s - Baudrate (%d) requested is not supported",
1124 							__func__,  baud);
1125 			div_value = ftdi_sio_b9600;
1126 			baud = 9600;
1127 			div_okay = 0;
1128 		}
1129 		break;
1130 	case FT8U232AM: /* 8U232AM chip */
1131 		if (baud <= 3000000) {
1132 			div_value = ftdi_232am_baud_to_divisor(baud);
1133 		} else {
1134 			dbg("%s - Baud rate too high!", __func__);
1135 			baud = 9600;
1136 			div_value = ftdi_232am_baud_to_divisor(9600);
1137 			div_okay = 0;
1138 		}
1139 		break;
1140 	case FT232BM: /* FT232BM chip */
1141 	case FT2232C: /* FT2232C chip */
1142 	case FT232RL:
1143 		if (baud <= 3000000) {
1144 			__u16 product_id = le16_to_cpu(
1145 				port->serial->dev->descriptor.idProduct);
1146 			if (((FTDI_NDI_HUC_PID == product_id) ||
1147 			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1148 			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1149 			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1150 			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1151 			    (baud == 19200)) {
1152 				baud = 1200000;
1153 			}
1154 			div_value = ftdi_232bm_baud_to_divisor(baud);
1155 		} else {
1156 			dbg("%s - Baud rate too high!", __func__);
1157 			div_value = ftdi_232bm_baud_to_divisor(9600);
1158 			div_okay = 0;
1159 			baud = 9600;
1160 		}
1161 		break;
1162 	case FT2232H: /* FT2232H chip */
1163 	case FT4232H: /* FT4232H chip */
1164 		if ((baud <= 12000000) & (baud >= 1200)) {
1165 			div_value = ftdi_2232h_baud_to_divisor(baud);
1166 		} else if (baud < 1200) {
1167 			div_value = ftdi_232bm_baud_to_divisor(baud);
1168 		} else {
1169 			dbg("%s - Baud rate too high!", __func__);
1170 			div_value = ftdi_232bm_baud_to_divisor(9600);
1171 			div_okay = 0;
1172 			baud = 9600;
1173 		}
1174 		break;
1175 	} /* priv->chip_type */
1176 
1177 	if (div_okay) {
1178 		dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1179 			__func__, baud, (unsigned long)div_value,
1180 			ftdi_chip_name[priv->chip_type]);
1181 	}
1182 
1183 	tty_encode_baud_rate(tty, baud, baud);
1184 	return div_value;
1185 }
1186 
1187 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1188 {
1189 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1190 	__u16 urb_value;
1191 	__u16 urb_index;
1192 	__u32 urb_index_value;
1193 	int rv;
1194 
1195 	urb_index_value = get_ftdi_divisor(tty, port);
1196 	urb_value = (__u16)urb_index_value;
1197 	urb_index = (__u16)(urb_index_value >> 16);
1198 	if (priv->interface) {	/* FT2232C */
1199 		urb_index = (__u16)((urb_index << 8) | priv->interface);
1200 	}
1201 
1202 	rv = usb_control_msg(port->serial->dev,
1203 			    usb_sndctrlpipe(port->serial->dev, 0),
1204 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1205 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1206 			    urb_value, urb_index,
1207 			    NULL, 0, WDR_SHORT_TIMEOUT);
1208 	return rv;
1209 }
1210 
1211 static int write_latency_timer(struct usb_serial_port *port)
1212 {
1213 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1214 	struct usb_device *udev = port->serial->dev;
1215 	int rv;
1216 	int l = priv->latency;
1217 
1218 	if (priv->flags & ASYNC_LOW_LATENCY)
1219 		l = 1;
1220 
1221 	dbg("%s: setting latency timer = %i", __func__, l);
1222 
1223 	rv = usb_control_msg(udev,
1224 			     usb_sndctrlpipe(udev, 0),
1225 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1226 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1227 			     l, priv->interface,
1228 			     NULL, 0, WDR_TIMEOUT);
1229 	if (rv < 0)
1230 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1231 	return rv;
1232 }
1233 
1234 static int read_latency_timer(struct usb_serial_port *port)
1235 {
1236 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1237 	struct usb_device *udev = port->serial->dev;
1238 	unsigned char *buf;
1239 	int rv;
1240 
1241 	dbg("%s", __func__);
1242 
1243 	buf = kmalloc(1, GFP_KERNEL);
1244 	if (!buf)
1245 		return -ENOMEM;
1246 
1247 	rv = usb_control_msg(udev,
1248 			     usb_rcvctrlpipe(udev, 0),
1249 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1250 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1251 			     0, priv->interface,
1252 			     buf, 1, WDR_TIMEOUT);
1253 	if (rv < 0)
1254 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1255 	else
1256 		priv->latency = buf[0];
1257 
1258 	kfree(buf);
1259 
1260 	return rv;
1261 }
1262 
1263 static int get_serial_info(struct usb_serial_port *port,
1264 				struct serial_struct __user *retinfo)
1265 {
1266 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1267 	struct serial_struct tmp;
1268 
1269 	if (!retinfo)
1270 		return -EFAULT;
1271 	memset(&tmp, 0, sizeof(tmp));
1272 	tmp.flags = priv->flags;
1273 	tmp.baud_base = priv->baud_base;
1274 	tmp.custom_divisor = priv->custom_divisor;
1275 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1276 		return -EFAULT;
1277 	return 0;
1278 }
1279 
1280 static int set_serial_info(struct tty_struct *tty,
1281 	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1282 {
1283 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1284 	struct serial_struct new_serial;
1285 	struct ftdi_private old_priv;
1286 
1287 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1288 		return -EFAULT;
1289 
1290 	mutex_lock(&priv->cfg_lock);
1291 	old_priv = *priv;
1292 
1293 	/* Do error checking and permission checking */
1294 
1295 	if (!capable(CAP_SYS_ADMIN)) {
1296 		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1297 		     (priv->flags & ~ASYNC_USR_MASK))) {
1298 			mutex_unlock(&priv->cfg_lock);
1299 			return -EPERM;
1300 		}
1301 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1302 			       (new_serial.flags & ASYNC_USR_MASK));
1303 		priv->custom_divisor = new_serial.custom_divisor;
1304 		goto check_and_exit;
1305 	}
1306 
1307 	if ((new_serial.baud_base != priv->baud_base) &&
1308 	    (new_serial.baud_base < 9600)) {
1309 		mutex_unlock(&priv->cfg_lock);
1310 		return -EINVAL;
1311 	}
1312 
1313 	/* Make the changes - these are privileged changes! */
1314 
1315 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1316 					(new_serial.flags & ASYNC_FLAGS));
1317 	priv->custom_divisor = new_serial.custom_divisor;
1318 
1319 	write_latency_timer(port);
1320 
1321 check_and_exit:
1322 	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1323 	     (priv->flags & ASYNC_SPD_MASK)) {
1324 		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1325 			tty->alt_speed = 57600;
1326 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1327 			tty->alt_speed = 115200;
1328 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1329 			tty->alt_speed = 230400;
1330 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1331 			tty->alt_speed = 460800;
1332 		else
1333 			tty->alt_speed = 0;
1334 	}
1335 	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1336 	     (priv->flags & ASYNC_SPD_MASK)) ||
1337 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1338 	     (old_priv.custom_divisor != priv->custom_divisor))) {
1339 		change_speed(tty, port);
1340 		mutex_unlock(&priv->cfg_lock);
1341 	}
1342 	else
1343 		mutex_unlock(&priv->cfg_lock);
1344 	return 0;
1345 }
1346 
1347 static int get_lsr_info(struct usb_serial_port *port,
1348 			struct serial_struct __user *retinfo)
1349 {
1350 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1351 	unsigned int result = 0;
1352 
1353 	if (!retinfo)
1354 		return -EFAULT;
1355 
1356 	if (priv->transmit_empty)
1357 		result = TIOCSER_TEMT;
1358 
1359 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1360 		return -EFAULT;
1361 	return 0;
1362 }
1363 
1364 
1365 /* Determine type of FTDI chip based on USB config and descriptor. */
1366 static void ftdi_determine_type(struct usb_serial_port *port)
1367 {
1368 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1369 	struct usb_serial *serial = port->serial;
1370 	struct usb_device *udev = serial->dev;
1371 	unsigned version;
1372 	unsigned interfaces;
1373 
1374 	/* Assume it is not the original SIO device for now. */
1375 	priv->baud_base = 48000000 / 2;
1376 
1377 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1378 	interfaces = udev->actconfig->desc.bNumInterfaces;
1379 	dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1380 			version, interfaces);
1381 	if (interfaces > 1) {
1382 		int inter;
1383 
1384 		/* Multiple interfaces.*/
1385 		if (version == 0x0800) {
1386 			priv->chip_type = FT4232H;
1387 			/* Hi-speed - baud clock runs at 120MHz */
1388 			priv->baud_base = 120000000 / 2;
1389 		} else if (version == 0x0700) {
1390 			priv->chip_type = FT2232H;
1391 			/* Hi-speed - baud clock runs at 120MHz */
1392 			priv->baud_base = 120000000 / 2;
1393 		} else
1394 			priv->chip_type = FT2232C;
1395 
1396 		/* Determine interface code. */
1397 		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1398 		if (inter == 0) {
1399 			priv->interface = INTERFACE_A;
1400 		} else  if (inter == 1) {
1401 			priv->interface = INTERFACE_B;
1402 		} else  if (inter == 2) {
1403 			priv->interface = INTERFACE_C;
1404 		} else  if (inter == 3) {
1405 			priv->interface = INTERFACE_D;
1406 		}
1407 		/* BM-type devices have a bug where bcdDevice gets set
1408 		 * to 0x200 when iSerialNumber is 0.  */
1409 		if (version < 0x500) {
1410 			dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1411 					__func__);
1412 		}
1413 	} else if (version < 0x200) {
1414 		/* Old device.  Assume it's the original SIO. */
1415 		priv->chip_type = SIO;
1416 		priv->baud_base = 12000000 / 16;
1417 	} else if (version < 0x400) {
1418 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1419 		/* (It might be a BM because of the iSerialNumber bug,
1420 		 * but it will still work as an AM device.) */
1421 		priv->chip_type = FT8U232AM;
1422 	} else if (version < 0x600) {
1423 		/* Assume it's an FT232BM (or FT245BM) */
1424 		priv->chip_type = FT232BM;
1425 	} else {
1426 		/* Assume it's an FT232R */
1427 		priv->chip_type = FT232RL;
1428 	}
1429 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1430 }
1431 
1432 
1433 /* Determine the maximum packet size for the device.  This depends on the chip
1434  * type and the USB host capabilities.  The value should be obtained from the
1435  * device descriptor as the chip will use the appropriate values for the host.*/
1436 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1437 {
1438 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1439 	struct usb_serial *serial = port->serial;
1440 	struct usb_device *udev = serial->dev;
1441 
1442 	struct usb_interface *interface = serial->interface;
1443 	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1444 
1445 	unsigned num_endpoints;
1446 	int i;
1447 
1448 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1449 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1450 
1451 	/* NOTE: some customers have programmed FT232R/FT245R devices
1452 	 * with an endpoint size of 0 - not good.  In this case, we
1453 	 * want to override the endpoint descriptor setting and use a
1454 	 * value of 64 for wMaxPacketSize */
1455 	for (i = 0; i < num_endpoints; i++) {
1456 		dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1457 			interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1458 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1459 		if (ep_desc->wMaxPacketSize == 0) {
1460 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1461 			dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1462 		}
1463 	}
1464 
1465 	/* set max packet size based on descriptor */
1466 	priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);
1467 
1468 	dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1469 }
1470 
1471 
1472 /*
1473  * ***************************************************************************
1474  * Sysfs Attribute
1475  * ***************************************************************************
1476  */
1477 
1478 static ssize_t show_latency_timer(struct device *dev,
1479 				struct device_attribute *attr, char *buf)
1480 {
1481 	struct usb_serial_port *port = to_usb_serial_port(dev);
1482 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1483 	if (priv->flags & ASYNC_LOW_LATENCY)
1484 		return sprintf(buf, "1\n");
1485 	else
1486 		return sprintf(buf, "%i\n", priv->latency);
1487 }
1488 
1489 
1490 /* Write a new value of the latency timer, in units of milliseconds. */
1491 static ssize_t store_latency_timer(struct device *dev,
1492 			struct device_attribute *attr, const char *valbuf,
1493 			size_t count)
1494 {
1495 	struct usb_serial_port *port = to_usb_serial_port(dev);
1496 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1497 	int v = simple_strtoul(valbuf, NULL, 10);
1498 	int rv;
1499 
1500 	priv->latency = v;
1501 	rv = write_latency_timer(port);
1502 	if (rv < 0)
1503 		return -EIO;
1504 	return count;
1505 }
1506 
1507 /* Write an event character directly to the FTDI register.  The ASCII
1508    value is in the low 8 bits, with the enable bit in the 9th bit. */
1509 static ssize_t store_event_char(struct device *dev,
1510 	struct device_attribute *attr, const char *valbuf, size_t count)
1511 {
1512 	struct usb_serial_port *port = to_usb_serial_port(dev);
1513 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1514 	struct usb_device *udev = port->serial->dev;
1515 	int v = simple_strtoul(valbuf, NULL, 10);
1516 	int rv;
1517 
1518 	dbg("%s: setting event char = %i", __func__, v);
1519 
1520 	rv = usb_control_msg(udev,
1521 			     usb_sndctrlpipe(udev, 0),
1522 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1523 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1524 			     v, priv->interface,
1525 			     NULL, 0, WDR_TIMEOUT);
1526 	if (rv < 0) {
1527 		dbg("Unable to write event character: %i", rv);
1528 		return -EIO;
1529 	}
1530 
1531 	return count;
1532 }
1533 
1534 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1535 							store_latency_timer);
1536 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1537 
1538 static int create_sysfs_attrs(struct usb_serial_port *port)
1539 {
1540 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1541 	int retval = 0;
1542 
1543 	dbg("%s", __func__);
1544 
1545 	/* XXX I've no idea if the original SIO supports the event_char
1546 	 * sysfs parameter, so I'm playing it safe.  */
1547 	if (priv->chip_type != SIO) {
1548 		dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1549 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1550 		if ((!retval) &&
1551 		    (priv->chip_type == FT232BM ||
1552 		     priv->chip_type == FT2232C ||
1553 		     priv->chip_type == FT232RL ||
1554 		     priv->chip_type == FT2232H ||
1555 		     priv->chip_type == FT4232H)) {
1556 			retval = device_create_file(&port->dev,
1557 						    &dev_attr_latency_timer);
1558 		}
1559 	}
1560 	return retval;
1561 }
1562 
1563 static void remove_sysfs_attrs(struct usb_serial_port *port)
1564 {
1565 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1566 
1567 	dbg("%s", __func__);
1568 
1569 	/* XXX see create_sysfs_attrs */
1570 	if (priv->chip_type != SIO) {
1571 		device_remove_file(&port->dev, &dev_attr_event_char);
1572 		if (priv->chip_type == FT232BM ||
1573 		    priv->chip_type == FT2232C ||
1574 		    priv->chip_type == FT232RL ||
1575 		    priv->chip_type == FT2232H ||
1576 		    priv->chip_type == FT4232H) {
1577 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1578 		}
1579 	}
1580 
1581 }
1582 
1583 /*
1584  * ***************************************************************************
1585  * FTDI driver specific functions
1586  * ***************************************************************************
1587  */
1588 
1589 /* Probe function to check for special devices */
1590 static int ftdi_sio_probe(struct usb_serial *serial,
1591 					const struct usb_device_id *id)
1592 {
1593 	struct ftdi_sio_quirk *quirk =
1594 				(struct ftdi_sio_quirk *)id->driver_info;
1595 
1596 	if (quirk && quirk->probe) {
1597 		int ret = quirk->probe(serial);
1598 		if (ret != 0)
1599 			return ret;
1600 	}
1601 
1602 	usb_set_serial_data(serial, (void *)id->driver_info);
1603 
1604 	return 0;
1605 }
1606 
1607 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1608 {
1609 	struct ftdi_private *priv;
1610 	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1611 
1612 
1613 	dbg("%s", __func__);
1614 
1615 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1616 	if (!priv) {
1617 		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1618 					sizeof(struct ftdi_private));
1619 		return -ENOMEM;
1620 	}
1621 
1622 	kref_init(&priv->kref);
1623 	mutex_init(&priv->cfg_lock);
1624 	init_waitqueue_head(&priv->delta_msr_wait);
1625 
1626 	priv->flags = ASYNC_LOW_LATENCY;
1627 
1628 	if (quirk && quirk->port_probe)
1629 		quirk->port_probe(priv);
1630 
1631 	priv->port = port;
1632 	usb_set_serial_port_data(port, priv);
1633 
1634 	ftdi_determine_type(port);
1635 	ftdi_set_max_packet_size(port);
1636 	if (read_latency_timer(port) < 0)
1637 		priv->latency = 16;
1638 	write_latency_timer(port);
1639 	create_sysfs_attrs(port);
1640 	return 0;
1641 }
1642 
1643 /* Setup for the USB-UIRT device, which requires hardwired
1644  * baudrate (38400 gets mapped to 312500) */
1645 /* Called from usbserial:serial_probe */
1646 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1647 {
1648 	dbg("%s", __func__);
1649 
1650 	priv->flags |= ASYNC_SPD_CUST;
1651 	priv->custom_divisor = 77;
1652 	priv->force_baud = 38400;
1653 }
1654 
1655 /* Setup for the HE-TIRA1 device, which requires hardwired
1656  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1657 
1658 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1659 {
1660 	dbg("%s", __func__);
1661 
1662 	priv->flags |= ASYNC_SPD_CUST;
1663 	priv->custom_divisor = 240;
1664 	priv->force_baud = 38400;
1665 	priv->force_rtscts = 1;
1666 }
1667 
1668 /*
1669  * Module parameter to control latency timer for NDI FTDI-based USB devices.
1670  * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1671  */
1672 static int ndi_latency_timer = 1;
1673 
1674 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1675  * baudrate (19200 gets mapped to 1200000).
1676  *
1677  * Called from usbserial:serial_probe.
1678  */
1679 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1680 {
1681 	struct usb_device *udev = serial->dev;
1682 	int latency = ndi_latency_timer;
1683 
1684 	if (latency == 0)
1685 		latency = 1;
1686 	if (latency > 99)
1687 		latency = 99;
1688 
1689 	dbg("%s setting NDI device latency to %d", __func__, latency);
1690 	dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1691 
1692 	/* FIXME: errors are not returned */
1693 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1694 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1695 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1696 				latency, 0, NULL, 0, WDR_TIMEOUT);
1697 	return 0;
1698 }
1699 
1700 /*
1701  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1702  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1703  * userspace using openocd.
1704  */
1705 static int ftdi_jtag_probe(struct usb_serial *serial)
1706 {
1707 	struct usb_device *udev = serial->dev;
1708 	struct usb_interface *interface = serial->interface;
1709 
1710 	dbg("%s", __func__);
1711 
1712 	if (interface == udev->actconfig->interface[0]) {
1713 		dev_info(&udev->dev,
1714 			 "Ignoring serial port reserved for JTAG\n");
1715 		return -ENODEV;
1716 	}
1717 
1718 	return 0;
1719 }
1720 
1721 /*
1722  * First and second port on STMCLiteadaptors is reserved for JTAG interface
1723  * and the forth port for pio
1724  */
1725 static int ftdi_stmclite_probe(struct usb_serial *serial)
1726 {
1727 	struct usb_device *udev = serial->dev;
1728 	struct usb_interface *interface = serial->interface;
1729 
1730 	dbg("%s", __func__);
1731 
1732 	if (interface == udev->actconfig->interface[2])
1733 		return 0;
1734 
1735 	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1736 
1737 	return -ENODEV;
1738 }
1739 
1740 /*
1741  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1742  * We have to correct it if we want to read from it.
1743  */
1744 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1745 {
1746 	struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1747 	struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1748 
1749 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1750 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1751 		dev_info(&serial->dev->dev,
1752 			 "Fixing invalid wMaxPacketSize on read pipe\n");
1753 	}
1754 
1755 	return 0;
1756 }
1757 
1758 static void ftdi_sio_priv_release(struct kref *k)
1759 {
1760 	struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1761 
1762 	kfree(priv);
1763 }
1764 
1765 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1766 {
1767 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1768 
1769 	dbg("%s", __func__);
1770 
1771 	remove_sysfs_attrs(port);
1772 
1773 	kref_put(&priv->kref, ftdi_sio_priv_release);
1774 
1775 	return 0;
1776 }
1777 
1778 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1779 {
1780 	struct usb_device *dev = port->serial->dev;
1781 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1782 	int result;
1783 
1784 	dbg("%s", __func__);
1785 
1786 	/* No error checking for this (will get errors later anyway) */
1787 	/* See ftdi_sio.h for description of what is reset */
1788 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1789 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1790 			FTDI_SIO_RESET_SIO,
1791 			priv->interface, NULL, 0, WDR_TIMEOUT);
1792 
1793 	/* Termios defaults are set by usb_serial_init. We don't change
1794 	   port->tty->termios - this would lose speed settings, etc.
1795 	   This is same behaviour as serial.c/rs_open() - Kuba */
1796 
1797 	/* ftdi_set_termios  will send usb control messages */
1798 	if (tty)
1799 		ftdi_set_termios(tty, port, tty->termios);
1800 
1801 	/* Start reading from the device */
1802 	result = usb_serial_generic_open(tty, port);
1803 	if (!result)
1804 		kref_get(&priv->kref);
1805 
1806 	return result;
1807 }
1808 
1809 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1810 {
1811 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1812 
1813 	mutex_lock(&port->serial->disc_mutex);
1814 	if (!port->serial->disconnected) {
1815 		/* Disable flow control */
1816 		if (!on && usb_control_msg(port->serial->dev,
1817 			    usb_sndctrlpipe(port->serial->dev, 0),
1818 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1819 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1820 			    0, priv->interface, NULL, 0,
1821 			    WDR_TIMEOUT) < 0) {
1822 			    dev_err(&port->dev, "error from flowcontrol urb\n");
1823 		}
1824 		/* drop RTS and DTR */
1825 		if (on)
1826 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1827 		else
1828 			clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1829 	}
1830 	mutex_unlock(&port->serial->disc_mutex);
1831 }
1832 
1833 /*
1834  * usbserial:__serial_close  only calls ftdi_close if the point is open
1835  *
1836  *   This only gets called when it is the last close
1837  */
1838 static void ftdi_close(struct usb_serial_port *port)
1839 {
1840 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1841 
1842 	dbg("%s", __func__);
1843 
1844 	usb_serial_generic_close(port);
1845 	kref_put(&priv->kref, ftdi_sio_priv_release);
1846 }
1847 
1848 /* The SIO requires the first byte to have:
1849  *  B0 1
1850  *  B1 0
1851  *  B2..7 length of message excluding byte 0
1852  *
1853  * The new devices do not require this byte
1854  */
1855 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1856 						void *dest, size_t size)
1857 {
1858 	struct ftdi_private *priv;
1859 	int count;
1860 	unsigned long flags;
1861 
1862 	priv = usb_get_serial_port_data(port);
1863 
1864 	if (priv->chip_type == SIO) {
1865 		unsigned char *buffer = dest;
1866 		int i, len, c;
1867 
1868 		count = 0;
1869 		spin_lock_irqsave(&port->lock, flags);
1870 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
1871 			len = min_t(int, size - i, priv->max_packet_size) - 1;
1872 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1873 			if (!c)
1874 				break;
1875 			buffer[i] = (c << 2) + 1;
1876 			count += c + 1;
1877 		}
1878 		spin_unlock_irqrestore(&port->lock, flags);
1879 	} else {
1880 		count = kfifo_out_locked(&port->write_fifo, dest, size,
1881 								&port->lock);
1882 	}
1883 
1884 	return count;
1885 }
1886 
1887 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1888 
1889 static int ftdi_process_packet(struct tty_struct *tty,
1890 		struct usb_serial_port *port, struct ftdi_private *priv,
1891 		char *packet, int len)
1892 {
1893 	int i;
1894 	char status;
1895 	char flag;
1896 	char *ch;
1897 
1898 	dbg("%s - port %d", __func__, port->number);
1899 
1900 	if (len < 2) {
1901 		dbg("malformed packet");
1902 		return 0;
1903 	}
1904 
1905 	/* Compare new line status to the old one, signal if different/
1906 	   N.B. packet may be processed more than once, but differences
1907 	   are only processed once.  */
1908 	status = packet[0] & FTDI_STATUS_B0_MASK;
1909 	if (status != priv->prev_status) {
1910 		priv->diff_status |= status ^ priv->prev_status;
1911 		wake_up_interruptible(&priv->delta_msr_wait);
1912 		priv->prev_status = status;
1913 	}
1914 
1915 	flag = TTY_NORMAL;
1916 	if (packet[1] & FTDI_RS_ERR_MASK) {
1917 		/* Break takes precedence over parity, which takes precedence
1918 		 * over framing errors */
1919 		if (packet[1] & FTDI_RS_BI) {
1920 			flag = TTY_BREAK;
1921 			usb_serial_handle_break(port);
1922 		} else if (packet[1] & FTDI_RS_PE) {
1923 			flag = TTY_PARITY;
1924 		} else if (packet[1] & FTDI_RS_FE) {
1925 			flag = TTY_FRAME;
1926 		}
1927 		/* Overrun is special, not associated with a char */
1928 		if (packet[1] & FTDI_RS_OE)
1929 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
1930 	}
1931 
1932 	/* save if the transmitter is empty or not */
1933 	if (packet[1] & FTDI_RS_TEMT)
1934 		priv->transmit_empty = 1;
1935 	else
1936 		priv->transmit_empty = 0;
1937 
1938 	len -= 2;
1939 	if (!len)
1940 		return 0;	/* status only */
1941 	ch = packet + 2;
1942 
1943 	if (port->port.console && port->sysrq) {
1944 		for (i = 0; i < len; i++, ch++) {
1945 			if (!usb_serial_handle_sysrq_char(port, *ch))
1946 				tty_insert_flip_char(tty, *ch, flag);
1947 		}
1948 	} else {
1949 		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
1950 	}
1951 
1952 	return len;
1953 }
1954 
1955 static void ftdi_process_read_urb(struct urb *urb)
1956 {
1957 	struct usb_serial_port *port = urb->context;
1958 	struct tty_struct *tty;
1959 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1960 	char *data = (char *)urb->transfer_buffer;
1961 	int i;
1962 	int len;
1963 	int count = 0;
1964 
1965 	tty = tty_port_tty_get(&port->port);
1966 	if (!tty)
1967 		return;
1968 
1969 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
1970 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
1971 		count += ftdi_process_packet(tty, port, priv, &data[i], len);
1972 	}
1973 
1974 	if (count)
1975 		tty_flip_buffer_push(tty);
1976 	tty_kref_put(tty);
1977 }
1978 
1979 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
1980 {
1981 	struct usb_serial_port *port = tty->driver_data;
1982 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1983 	__u16 urb_value;
1984 
1985 	/* break_state = -1 to turn on break, and 0 to turn off break */
1986 	/* see drivers/char/tty_io.c to see it used */
1987 	/* last_set_data_urb_value NEVER has the break bit set in it */
1988 
1989 	if (break_state)
1990 		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
1991 	else
1992 		urb_value = priv->last_set_data_urb_value;
1993 
1994 	if (usb_control_msg(port->serial->dev,
1995 			usb_sndctrlpipe(port->serial->dev, 0),
1996 			FTDI_SIO_SET_DATA_REQUEST,
1997 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
1998 			urb_value , priv->interface,
1999 			NULL, 0, WDR_TIMEOUT) < 0) {
2000 		dev_err(&port->dev, "%s FAILED to enable/disable break state "
2001 			"(state was %d)\n", __func__, break_state);
2002 	}
2003 
2004 	dbg("%s break state is %d - urb is %d", __func__,
2005 						break_state, urb_value);
2006 
2007 }
2008 
2009 /* old_termios contains the original termios settings and tty->termios contains
2010  * the new setting to be used
2011  * WARNING: set_termios calls this with old_termios in kernel space
2012  */
2013 static void ftdi_set_termios(struct tty_struct *tty,
2014 		struct usb_serial_port *port, struct ktermios *old_termios)
2015 {
2016 	struct usb_device *dev = port->serial->dev;
2017 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2018 	struct ktermios *termios = tty->termios;
2019 	unsigned int cflag = termios->c_cflag;
2020 	__u16 urb_value; /* will hold the new flags */
2021 
2022 	/* Added for xon/xoff support */
2023 	unsigned int iflag = termios->c_iflag;
2024 	unsigned char vstop;
2025 	unsigned char vstart;
2026 
2027 	dbg("%s", __func__);
2028 
2029 	/* Force baud rate if this device requires it, unless it is set to
2030 	   B0. */
2031 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2032 		dbg("%s: forcing baud rate for this device", __func__);
2033 		tty_encode_baud_rate(tty, priv->force_baud,
2034 					priv->force_baud);
2035 	}
2036 
2037 	/* Force RTS-CTS if this device requires it. */
2038 	if (priv->force_rtscts) {
2039 		dbg("%s: forcing rtscts for this device", __func__);
2040 		termios->c_cflag |= CRTSCTS;
2041 	}
2042 
2043 	cflag = termios->c_cflag;
2044 
2045 	/* FIXME -For this cut I don't care if the line is really changing or
2046 	   not  - so just do the change regardless  - should be able to
2047 	   compare old_termios and tty->termios */
2048 	/* NOTE These routines can get interrupted by
2049 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2050 	   don't see any problems yet */
2051 
2052 	/* Set number of data bits, parity, stop bits */
2053 
2054 	urb_value = 0;
2055 	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2056 		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2057 	if (cflag & PARENB) {
2058 		if (cflag & CMSPAR)
2059 			urb_value |= cflag & PARODD ?
2060 				     FTDI_SIO_SET_DATA_PARITY_MARK :
2061 				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2062 		else
2063 			urb_value |= cflag & PARODD ?
2064 				     FTDI_SIO_SET_DATA_PARITY_ODD :
2065 				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2066 	} else {
2067 		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2068 	}
2069 	if (cflag & CSIZE) {
2070 		switch (cflag & CSIZE) {
2071 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2072 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2073 		default:
2074 			dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
2075 		}
2076 	}
2077 
2078 	/* This is needed by the break command since it uses the same command
2079 	   - but is or'ed with this value  */
2080 	priv->last_set_data_urb_value = urb_value;
2081 
2082 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2083 			    FTDI_SIO_SET_DATA_REQUEST,
2084 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2085 			    urb_value , priv->interface,
2086 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2087 		dev_err(&port->dev, "%s FAILED to set "
2088 			"databits/stopbits/parity\n", __func__);
2089 	}
2090 
2091 	/* Now do the baudrate */
2092 	if ((cflag & CBAUD) == B0) {
2093 		/* Disable flow control */
2094 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2095 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2096 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2097 				    0, priv->interface,
2098 				    NULL, 0, WDR_TIMEOUT) < 0) {
2099 			dev_err(&port->dev,
2100 				"%s error from disable flowcontrol urb\n",
2101 				__func__);
2102 		}
2103 		/* Drop RTS and DTR */
2104 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2105 	} else {
2106 		/* set the baudrate determined before */
2107 		mutex_lock(&priv->cfg_lock);
2108 		if (change_speed(tty, port))
2109 			dev_err(&port->dev, "%s urb failed to set baudrate\n",
2110 				__func__);
2111 		mutex_unlock(&priv->cfg_lock);
2112 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2113 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2114 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2115 	}
2116 
2117 	/* Set flow control */
2118 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2119 	if (cflag & CRTSCTS) {
2120 		dbg("%s Setting to CRTSCTS flow control", __func__);
2121 		if (usb_control_msg(dev,
2122 				    usb_sndctrlpipe(dev, 0),
2123 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2124 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2125 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2126 				    NULL, 0, WDR_TIMEOUT) < 0) {
2127 			dev_err(&port->dev,
2128 				"urb failed to set to rts/cts flow control\n");
2129 		}
2130 
2131 	} else {
2132 		/*
2133 		 * Xon/Xoff code
2134 		 *
2135 		 * Check the IXOFF status in the iflag component of the
2136 		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2137 		 * code is executed.
2138 		 */
2139 		if (iflag & IXOFF) {
2140 			dbg("%s  request to enable xonxoff iflag=%04x",
2141 							__func__, iflag);
2142 			/* Try to enable the XON/XOFF on the ftdi_sio
2143 			 * Set the vstart and vstop -- could have been done up
2144 			 * above where a lot of other dereferencing is done but
2145 			 * that would be very inefficient as vstart and vstop
2146 			 * are not always needed.
2147 			 */
2148 			vstart = termios->c_cc[VSTART];
2149 			vstop = termios->c_cc[VSTOP];
2150 			urb_value = (vstop << 8) | (vstart);
2151 
2152 			if (usb_control_msg(dev,
2153 					    usb_sndctrlpipe(dev, 0),
2154 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2155 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2156 					    urb_value , (FTDI_SIO_XON_XOFF_HS
2157 							 | priv->interface),
2158 					    NULL, 0, WDR_TIMEOUT) < 0) {
2159 				dev_err(&port->dev, "urb failed to set to "
2160 					"xon/xoff flow control\n");
2161 			}
2162 		} else {
2163 			/* else clause to only run if cflag ! CRTSCTS and iflag
2164 			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2165 			 * stack - not by device */
2166 			dbg("%s Turning off hardware flow control", __func__);
2167 			if (usb_control_msg(dev,
2168 					    usb_sndctrlpipe(dev, 0),
2169 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2170 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2171 					    0, priv->interface,
2172 					    NULL, 0, WDR_TIMEOUT) < 0) {
2173 				dev_err(&port->dev,
2174 					"urb failed to clear flow control\n");
2175 			}
2176 		}
2177 
2178 	}
2179 }
2180 
2181 static int ftdi_tiocmget(struct tty_struct *tty)
2182 {
2183 	struct usb_serial_port *port = tty->driver_data;
2184 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2185 	unsigned char *buf;
2186 	int len;
2187 	int ret;
2188 
2189 	dbg("%s TIOCMGET", __func__);
2190 
2191 	buf = kmalloc(2, GFP_KERNEL);
2192 	if (!buf)
2193 		return -ENOMEM;
2194 	/*
2195 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2196 	 * the same format as the data returned from the in point.
2197 	 */
2198 	switch (priv->chip_type) {
2199 	case SIO:
2200 		len = 1;
2201 		break;
2202 	case FT8U232AM:
2203 	case FT232BM:
2204 	case FT2232C:
2205 	case FT232RL:
2206 	case FT2232H:
2207 	case FT4232H:
2208 		len = 2;
2209 		break;
2210 	default:
2211 		ret = -EFAULT;
2212 		goto out;
2213 	}
2214 
2215 	ret = usb_control_msg(port->serial->dev,
2216 			usb_rcvctrlpipe(port->serial->dev, 0),
2217 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2218 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2219 			0, priv->interface,
2220 			buf, len, WDR_TIMEOUT);
2221 	if (ret < 0)
2222 		goto out;
2223 
2224 	ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2225 		(buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2226 		(buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
2227 		(buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2228 		priv->last_dtr_rts;
2229 out:
2230 	kfree(buf);
2231 	return ret;
2232 }
2233 
2234 static int ftdi_tiocmset(struct tty_struct *tty,
2235 			unsigned int set, unsigned int clear)
2236 {
2237 	struct usb_serial_port *port = tty->driver_data;
2238 	dbg("%s TIOCMSET", __func__);
2239 	return update_mctrl(port, set, clear);
2240 }
2241 
2242 static int ftdi_ioctl(struct tty_struct *tty,
2243 					unsigned int cmd, unsigned long arg)
2244 {
2245 	struct usb_serial_port *port = tty->driver_data;
2246 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2247 
2248 	dbg("%s cmd 0x%04x", __func__, cmd);
2249 
2250 	/* Based on code from acm.c and others */
2251 	switch (cmd) {
2252 
2253 	case TIOCGSERIAL: /* gets serial port data */
2254 		return get_serial_info(port,
2255 					(struct serial_struct __user *) arg);
2256 
2257 	case TIOCSSERIAL: /* sets serial port data */
2258 		return set_serial_info(tty, port,
2259 					(struct serial_struct __user *) arg);
2260 
2261 	/*
2262 	 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2263 	 * - mask passed in arg for lines of interest
2264 	 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2265 	 * Caller should use TIOCGICOUNT to see which one it was.
2266 	 * (except that the driver doesn't support it !)
2267 	 *
2268 	 * This code is borrowed from linux/drivers/char/serial.c
2269 	 */
2270 	case TIOCMIWAIT:
2271 		while (priv != NULL) {
2272 			interruptible_sleep_on(&priv->delta_msr_wait);
2273 			/* see if a signal did it */
2274 			if (signal_pending(current))
2275 				return -ERESTARTSYS;
2276 			else {
2277 				char diff = priv->diff_status;
2278 
2279 				if (diff == 0)
2280 					return -EIO; /* no change => error */
2281 
2282 				/* Consume all events */
2283 				priv->diff_status = 0;
2284 
2285 				/* Return 0 if caller wanted to know about
2286 				   these bits */
2287 				if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2288 				    ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2289 				    ((arg & TIOCM_CD)  && (diff & FTDI_RS0_RLSD)) ||
2290 				    ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2291 					return 0;
2292 				}
2293 				/*
2294 				 * Otherwise caller can't care less about what
2295 				 * happened,and so we continue to wait for more
2296 				 * events.
2297 				 */
2298 			}
2299 		}
2300 		return 0;
2301 	case TIOCSERGETLSR:
2302 		return get_lsr_info(port, (struct serial_struct __user *)arg);
2303 		break;
2304 	default:
2305 		break;
2306 	}
2307 	/* This is not necessarily an error - turns out the higher layers
2308 	 * will do some ioctls themselves (see comment above)
2309 	 */
2310 	dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2311 	return -ENOIOCTLCMD;
2312 }
2313 
2314 static int __init ftdi_init(void)
2315 {
2316 	int retval;
2317 
2318 	dbg("%s", __func__);
2319 	if (vendor > 0 && product > 0) {
2320 		/* Add user specified VID/PID to reserved element of table. */
2321 		int i;
2322 		for (i = 0; id_table_combined[i].idVendor; i++)
2323 			;
2324 		id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2325 		id_table_combined[i].idVendor = vendor;
2326 		id_table_combined[i].idProduct = product;
2327 	}
2328 	retval = usb_serial_register(&ftdi_sio_device);
2329 	if (retval)
2330 		goto failed_sio_register;
2331 	retval = usb_register(&ftdi_driver);
2332 	if (retval)
2333 		goto failed_usb_register;
2334 
2335 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2336 	       DRIVER_DESC "\n");
2337 	return 0;
2338 failed_usb_register:
2339 	usb_serial_deregister(&ftdi_sio_device);
2340 failed_sio_register:
2341 	return retval;
2342 }
2343 
2344 static void __exit ftdi_exit(void)
2345 {
2346 	dbg("%s", __func__);
2347 
2348 	usb_deregister(&ftdi_driver);
2349 	usb_serial_deregister(&ftdi_sio_device);
2350 }
2351 
2352 
2353 module_init(ftdi_init);
2354 module_exit(ftdi_exit);
2355 
2356 MODULE_AUTHOR(DRIVER_AUTHOR);
2357 MODULE_DESCRIPTION(DRIVER_DESC);
2358 MODULE_LICENSE("GPL");
2359 
2360 module_param(debug, bool, S_IRUGO | S_IWUSR);
2361 MODULE_PARM_DESC(debug, "Debug enabled or not");
2362 module_param(vendor, ushort, 0);
2363 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2364 		__MODULE_STRING(FTDI_VID)")");
2365 module_param(product, ushort, 0);
2366 MODULE_PARM_DESC(product, "User specified product ID");
2367 
2368 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2369 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2370