xref: /linux/drivers/usb/serial/ftdi_sio.c (revision f2ee442115c9b6219083c019939a9cc0c9abb2f8)
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 up to date testing info
21  *	and extra documentation
22  *
23  * Change entries from 2004 and earlier can be found in versions of this
24  * file in kernel versions prior to the 2.6.24 release.
25  *
26  */
27 
28 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
29 /* Thanx to FTDI for so kindly providing details of the protocol required */
30 /*   to talk to the device */
31 /* Thanx to gkh and the rest of the usb dev group for all code I have
32    assimilated :-) */
33 
34 #include <linux/kernel.h>
35 #include <linux/errno.h>
36 #include <linux/init.h>
37 #include <linux/slab.h>
38 #include <linux/tty.h>
39 #include <linux/tty_driver.h>
40 #include <linux/tty_flip.h>
41 #include <linux/module.h>
42 #include <linux/spinlock.h>
43 #include <linux/mutex.h>
44 #include <linux/uaccess.h>
45 #include <linux/usb.h>
46 #include <linux/serial.h>
47 #include <linux/usb/serial.h>
48 #include "ftdi_sio.h"
49 #include "ftdi_sio_ids.h"
50 
51 /*
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 	struct async_icount	icount;
77 	wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
78 	char prev_status, diff_status;        /* Used for TIOCMIWAIT */
79 	char transmit_empty;	/* If transmitter is empty or not */
80 	struct usb_serial_port *port;
81 	__u16 interface;	/* FT2232C, FT2232H or FT4232H port interface
82 				   (0 for FT232/245) */
83 
84 	speed_t force_baud;	/* if non-zero, force the baud rate to
85 				   this value */
86 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
87 				   be enabled */
88 
89 	unsigned int latency;		/* latency setting in use */
90 	unsigned short max_packet_size;
91 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
92 };
93 
94 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
95 struct ftdi_sio_quirk {
96 	int (*probe)(struct usb_serial *);
97 	/* Special settings for probed ports. */
98 	void (*port_probe)(struct ftdi_private *);
99 };
100 
101 static int   ftdi_jtag_probe(struct usb_serial *serial);
102 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
103 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
104 static int   ftdi_stmclite_probe(struct usb_serial *serial);
105 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
106 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
107 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
108 
109 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
110 	.probe	= ftdi_jtag_probe,
111 };
112 
113 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
114 	.probe  = ftdi_mtxorb_hack_setup,
115 };
116 
117 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
118 	.probe	= ftdi_NDI_device_setup,
119 };
120 
121 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
122 	.port_probe = ftdi_USB_UIRT_setup,
123 };
124 
125 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
126 	.port_probe = ftdi_HE_TIRA1_setup,
127 };
128 
129 static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
130 	.probe	= ftdi_stmclite_probe,
131 };
132 
133 static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
134 	.probe	= ftdi_8u2232c_probe,
135 };
136 
137 /*
138  * The 8U232AM has the same API as the sio except for:
139  * - it can support MUCH higher baudrates; up to:
140  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
141  *   o 230400 at 12MHz
142  *   so .. 8U232AM's baudrate setting codes are different
143  * - it has a two byte status code.
144  * - it returns characters every 16ms (the FTDI does it every 40ms)
145  *
146  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
147  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
148  * combinations in both tables.
149  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
150  * but I don't know if those ever went into mass production. [Ian Abbott]
151  */
152 
153 
154 
155 /*
156  * Device ID not listed? Test via module params product/vendor or
157  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
158  */
159 static struct usb_device_id id_table_combined [] = {
160 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
161 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
179 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
180 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
187 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
188 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
189 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
191 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
192 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
193 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
194 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
195 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
198 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
199 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
211 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
212 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
213 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
214 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
215 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
216 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
217 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
220 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
221 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
222 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
223 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
264 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
270 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
310 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
312 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
314 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
316 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
318 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
320 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
485 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
486 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
487 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
488 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
489 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
490 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
491 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
492 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
493 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
494 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
495 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
496 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
497 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
498 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
499 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
500 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
501 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
502 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
503 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
504 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
505 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
506 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
507 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
508 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
509 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
510 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
511 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
512 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
513 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
514 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
515 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
526 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
527 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
528 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
529 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
530 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
531 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
532 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
533 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
534 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
535 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
536 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
537 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
539 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
540 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
541 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
542 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
543 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
544 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
545 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
546 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
547 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
548 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
549 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
550 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
551 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
552 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
553 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
554 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
555 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
556 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
557 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
558 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
559 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
560 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
561 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
562 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
563 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
564 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
565 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
566 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
567 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
568 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
569 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
571 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
572 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
573 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
574 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
575 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
576 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
577 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
581 	/*
582 	 * ELV devices:
583 	 */
584 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
619 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
620 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
621 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
622 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
623 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
624 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
629 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
630 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
631 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
632 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
633 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
634 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
635 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
636 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
637 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
639 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
640 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
641 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
642 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
643 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
644 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
645 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
646 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
647 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
648 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
649 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
650 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
651 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
652 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
653 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
654 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
655 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
656 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
657 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
658 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
662 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
663 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
664 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
665 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
666 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
667 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
668 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
669 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
670 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
673 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
675 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
676 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
677 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
680 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
682 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
683 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
684 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
685 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
686 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
687 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
688 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
689 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
690 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
691 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
692 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
693 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
694 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
695 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
696 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
697 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
698 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
699 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
700 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
701 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
702 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
703 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
704 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
705 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
706 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
707 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
708 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
709 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
710 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
711 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
712 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
713 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
714 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
715 	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
716 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
717 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
718 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
719 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
720 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
721 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
722 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
723 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
724 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
725 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
726 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
727 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
728 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
729 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
730 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
731 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
732 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
733 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
734 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
735 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
736 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
737 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
738 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
739 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
740 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
741 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
742 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
743 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
744 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
745 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
746 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
747 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
748 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
749 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
750 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
751 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
752 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
753 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
754 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
755 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
756 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
757 
758 	/* Papouch devices based on FTDI chip */
759 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
760 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
761 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
762 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
763 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
764 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
765 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
766 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
767 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
768 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
769 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
770 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
771 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
772 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
773 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
774 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
775 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
776 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
777 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
778 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
779 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
780 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
781 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
782 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
783 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
784 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
785 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
786 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
787 
788 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
789 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
790 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
791 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
792 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
793 	{ USB_DEVICE(DE_VID, STB_PID) },
794 	{ USB_DEVICE(DE_VID, WHT_PID) },
795 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
796 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
797 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
798 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
799 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
800 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
801 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
802 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
803 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
804 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
805 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
806 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
807 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
808 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
809 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
810 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
811 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
812 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
813 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
814 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
815 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
816 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
817 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
818 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
819 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
820 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
821 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
822 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
823 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
824 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
825 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
826 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
827 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
828 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
829 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
830 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
831 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
832 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
833 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
834 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
835 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
836 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
837 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
838 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
839 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
840 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
841 	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
842 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
843 	{ },					/* Optional parameter entry */
844 	{ }					/* Terminating entry */
845 };
846 
847 MODULE_DEVICE_TABLE(usb, id_table_combined);
848 
849 static struct usb_driver ftdi_driver = {
850 	.name =		"ftdi_sio",
851 	.probe =	usb_serial_probe,
852 	.disconnect =	usb_serial_disconnect,
853 	.id_table =	id_table_combined,
854 	.no_dynamic_id =	1,
855 };
856 
857 static const char *ftdi_chip_name[] = {
858 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
859 	[FT8U232AM] = "FT8U232AM",
860 	[FT232BM] = "FT232BM",
861 	[FT2232C] = "FT2232C",
862 	[FT232RL] = "FT232RL",
863 	[FT2232H] = "FT2232H",
864 	[FT4232H] = "FT4232H",
865 	[FT232H]  = "FT232H"
866 };
867 
868 
869 /* Used for TIOCMIWAIT */
870 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
871 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
872 /* End TIOCMIWAIT */
873 
874 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
875  | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
876 
877 /* function prototypes for a FTDI serial converter */
878 static int  ftdi_sio_probe(struct usb_serial *serial,
879 					const struct usb_device_id *id);
880 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
881 static int  ftdi_sio_port_remove(struct usb_serial_port *port);
882 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
883 static void ftdi_close(struct usb_serial_port *port);
884 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
885 static void ftdi_process_read_urb(struct urb *urb);
886 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
887 						void *dest, size_t size);
888 static void ftdi_set_termios(struct tty_struct *tty,
889 			struct usb_serial_port *port, struct ktermios *old);
890 static int  ftdi_tiocmget(struct tty_struct *tty);
891 static int  ftdi_tiocmset(struct tty_struct *tty,
892 			unsigned int set, unsigned int clear);
893 static int ftdi_get_icount(struct tty_struct *tty,
894 			   struct serial_icounter_struct *icount);
895 static int  ftdi_ioctl(struct tty_struct *tty,
896 			unsigned int cmd, unsigned long arg);
897 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
898 
899 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
900 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
901 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
902 static __u32 ftdi_232bm_baud_to_divisor(int baud);
903 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
904 static __u32 ftdi_2232h_baud_to_divisor(int baud);
905 
906 static struct usb_serial_driver ftdi_sio_device = {
907 	.driver = {
908 		.owner =	THIS_MODULE,
909 		.name =		"ftdi_sio",
910 	},
911 	.description =		"FTDI USB Serial Device",
912 	.usb_driver = 		&ftdi_driver,
913 	.id_table =		id_table_combined,
914 	.num_ports =		1,
915 	.bulk_in_size =		512,
916 	.bulk_out_size =	256,
917 	.probe =		ftdi_sio_probe,
918 	.port_probe =		ftdi_sio_port_probe,
919 	.port_remove =		ftdi_sio_port_remove,
920 	.open =			ftdi_open,
921 	.close =		ftdi_close,
922 	.dtr_rts =		ftdi_dtr_rts,
923 	.throttle =		usb_serial_generic_throttle,
924 	.unthrottle =		usb_serial_generic_unthrottle,
925 	.process_read_urb =	ftdi_process_read_urb,
926 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
927 	.tiocmget =		ftdi_tiocmget,
928 	.tiocmset =		ftdi_tiocmset,
929 	.get_icount =           ftdi_get_icount,
930 	.ioctl =		ftdi_ioctl,
931 	.set_termios =		ftdi_set_termios,
932 	.break_ctl =		ftdi_break_ctl,
933 };
934 
935 
936 #define WDR_TIMEOUT 5000 /* default urb timeout */
937 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
938 
939 /* High and low are for DTR, RTS etc etc */
940 #define HIGH 1
941 #define LOW 0
942 
943 /*
944  * ***************************************************************************
945  * Utility functions
946  * ***************************************************************************
947  */
948 
949 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
950 {
951 	unsigned short int divisor;
952 	/* divisor shifted 3 bits to the left */
953 	int divisor3 = base / 2 / baud;
954 	if ((divisor3 & 0x7) == 7)
955 		divisor3++; /* round x.7/8 up to x+1 */
956 	divisor = divisor3 >> 3;
957 	divisor3 &= 0x7;
958 	if (divisor3 == 1)
959 		divisor |= 0xc000;
960 	else if (divisor3 >= 4)
961 		divisor |= 0x4000;
962 	else if (divisor3 != 0)
963 		divisor |= 0x8000;
964 	else if (divisor == 1)
965 		divisor = 0;	/* special case for maximum baud rate */
966 	return divisor;
967 }
968 
969 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
970 {
971 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
972 }
973 
974 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
975 {
976 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
977 	__u32 divisor;
978 	/* divisor shifted 3 bits to the left */
979 	int divisor3 = base / 2 / baud;
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 	return divisor;
988 }
989 
990 static __u32 ftdi_232bm_baud_to_divisor(int baud)
991 {
992 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
993 }
994 
995 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
996 {
997 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
998 	__u32 divisor;
999 	int divisor3;
1000 
1001 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1002 	divisor3 = base * 8 / (baud * 10);
1003 
1004 	divisor = divisor3 >> 3;
1005 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1006 	/* Deal with special cases for highest baud rates. */
1007 	if (divisor == 1)
1008 		divisor = 0;
1009 	else if (divisor == 0x4001)
1010 		divisor = 1;
1011 	/*
1012 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1013 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1014 	 * baud with this bit set
1015 	 */
1016 	divisor |= 0x00020000;
1017 	return divisor;
1018 }
1019 
1020 static __u32 ftdi_2232h_baud_to_divisor(int baud)
1021 {
1022 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1023 }
1024 
1025 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1026 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1027 
1028 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1029 							unsigned int clear)
1030 {
1031 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1032 	unsigned urb_value;
1033 	int rv;
1034 
1035 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1036 		dbg("%s - DTR|RTS not being set|cleared", __func__);
1037 		return 0;	/* no change */
1038 	}
1039 
1040 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1041 	urb_value = 0;
1042 	if (clear & TIOCM_DTR)
1043 		urb_value |= FTDI_SIO_SET_DTR_LOW;
1044 	if (clear & TIOCM_RTS)
1045 		urb_value |= FTDI_SIO_SET_RTS_LOW;
1046 	if (set & TIOCM_DTR)
1047 		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1048 	if (set & TIOCM_RTS)
1049 		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1050 	rv = usb_control_msg(port->serial->dev,
1051 			       usb_sndctrlpipe(port->serial->dev, 0),
1052 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1053 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1054 			       urb_value, priv->interface,
1055 			       NULL, 0, WDR_TIMEOUT);
1056 	if (rv < 0) {
1057 		dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
1058 				__func__,
1059 				(set & TIOCM_DTR) ? "HIGH" :
1060 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1061 				(set & TIOCM_RTS) ? "HIGH" :
1062 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1063 	} else {
1064 		dbg("%s - DTR %s, RTS %s", __func__,
1065 				(set & TIOCM_DTR) ? "HIGH" :
1066 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1067 				(set & TIOCM_RTS) ? "HIGH" :
1068 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1069 		/* FIXME: locking on last_dtr_rts */
1070 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1071 	}
1072 	return rv;
1073 }
1074 
1075 
1076 static __u32 get_ftdi_divisor(struct tty_struct *tty,
1077 						struct usb_serial_port *port)
1078 {
1079 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1080 	__u32 div_value = 0;
1081 	int div_okay = 1;
1082 	int baud;
1083 
1084 	/*
1085 	 * The logic involved in setting the baudrate can be cleanly split into
1086 	 * 3 steps.
1087 	 * 1. Standard baud rates are set in tty->termios->c_cflag
1088 	 * 2. If these are not enough, you can set any speed using alt_speed as
1089 	 * follows:
1090 	 *    - set tty->termios->c_cflag speed to B38400
1091 	 *    - set your real speed in tty->alt_speed; it gets ignored when
1092 	 *      alt_speed==0, (or)
1093 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1094 	 *	follows:
1095 	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1096 	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1097 	 *	SHI: 230400, WARP: 460800)
1098 	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1099 	 * 3. You can also set baud rate by setting custom divisor as follows
1100 	 *    - set tty->termios->c_cflag speed to B38400
1101 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1102 	 *	follows:
1103 	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1104 	 *      o custom_divisor set to baud_base / your_new_baudrate
1105 	 * ** Step 3 is done courtesy of code borrowed from serial.c
1106 	 *    I should really spend some time and separate + move this common
1107 	 *    code to serial.c, it is replicated in nearly every serial driver
1108 	 *    you see.
1109 	 */
1110 
1111 	/* 1. Get the baud rate from the tty settings, this observes
1112 	      alt_speed hack */
1113 
1114 	baud = tty_get_baud_rate(tty);
1115 	dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1116 
1117 	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1118 	   if needed */
1119 
1120 	if (baud == 38400 &&
1121 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1122 	     (priv->custom_divisor)) {
1123 		baud = priv->baud_base / priv->custom_divisor;
1124 		dbg("%s - custom divisor %d sets baud rate to %d",
1125 				__func__, priv->custom_divisor, baud);
1126 	}
1127 
1128 	/* 3. Convert baudrate to device-specific divisor */
1129 
1130 	if (!baud)
1131 		baud = 9600;
1132 	switch (priv->chip_type) {
1133 	case SIO: /* SIO chip */
1134 		switch (baud) {
1135 		case 300: div_value = ftdi_sio_b300; break;
1136 		case 600: div_value = ftdi_sio_b600; break;
1137 		case 1200: div_value = ftdi_sio_b1200; break;
1138 		case 2400: div_value = ftdi_sio_b2400; break;
1139 		case 4800: div_value = ftdi_sio_b4800; break;
1140 		case 9600: div_value = ftdi_sio_b9600; break;
1141 		case 19200: div_value = ftdi_sio_b19200; break;
1142 		case 38400: div_value = ftdi_sio_b38400; break;
1143 		case 57600: div_value = ftdi_sio_b57600;  break;
1144 		case 115200: div_value = ftdi_sio_b115200; break;
1145 		} /* baud */
1146 		if (div_value == 0) {
1147 			dbg("%s - Baudrate (%d) requested is not supported",
1148 							__func__,  baud);
1149 			div_value = ftdi_sio_b9600;
1150 			baud = 9600;
1151 			div_okay = 0;
1152 		}
1153 		break;
1154 	case FT8U232AM: /* 8U232AM chip */
1155 		if (baud <= 3000000) {
1156 			div_value = ftdi_232am_baud_to_divisor(baud);
1157 		} else {
1158 			dbg("%s - Baud rate too high!", __func__);
1159 			baud = 9600;
1160 			div_value = ftdi_232am_baud_to_divisor(9600);
1161 			div_okay = 0;
1162 		}
1163 		break;
1164 	case FT232BM: /* FT232BM chip */
1165 	case FT2232C: /* FT2232C chip */
1166 	case FT232RL:
1167 		if (baud <= 3000000) {
1168 			__u16 product_id = le16_to_cpu(
1169 				port->serial->dev->descriptor.idProduct);
1170 			if (((FTDI_NDI_HUC_PID == product_id) ||
1171 			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1172 			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1173 			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1174 			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1175 			    (baud == 19200)) {
1176 				baud = 1200000;
1177 			}
1178 			div_value = ftdi_232bm_baud_to_divisor(baud);
1179 		} else {
1180 			dbg("%s - Baud rate too high!", __func__);
1181 			div_value = ftdi_232bm_baud_to_divisor(9600);
1182 			div_okay = 0;
1183 			baud = 9600;
1184 		}
1185 		break;
1186 	case FT2232H: /* FT2232H chip */
1187 	case FT4232H: /* FT4232H chip */
1188 	case FT232H:  /* FT232H chip */
1189 		if ((baud <= 12000000) && (baud >= 1200)) {
1190 			div_value = ftdi_2232h_baud_to_divisor(baud);
1191 		} else if (baud < 1200) {
1192 			div_value = ftdi_232bm_baud_to_divisor(baud);
1193 		} else {
1194 			dbg("%s - Baud rate too high!", __func__);
1195 			div_value = ftdi_232bm_baud_to_divisor(9600);
1196 			div_okay = 0;
1197 			baud = 9600;
1198 		}
1199 		break;
1200 	} /* priv->chip_type */
1201 
1202 	if (div_okay) {
1203 		dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1204 			__func__, baud, (unsigned long)div_value,
1205 			ftdi_chip_name[priv->chip_type]);
1206 	}
1207 
1208 	tty_encode_baud_rate(tty, baud, baud);
1209 	return div_value;
1210 }
1211 
1212 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1213 {
1214 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1215 	__u16 urb_value;
1216 	__u16 urb_index;
1217 	__u32 urb_index_value;
1218 	int rv;
1219 
1220 	urb_index_value = get_ftdi_divisor(tty, port);
1221 	urb_value = (__u16)urb_index_value;
1222 	urb_index = (__u16)(urb_index_value >> 16);
1223 	if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1224 		(priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1225 		/* Probably the BM type needs the MSB of the encoded fractional
1226 		 * divider also moved like for the chips above. Any infos? */
1227 		urb_index = (__u16)((urb_index << 8) | priv->interface);
1228 	}
1229 
1230 	rv = usb_control_msg(port->serial->dev,
1231 			    usb_sndctrlpipe(port->serial->dev, 0),
1232 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1233 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1234 			    urb_value, urb_index,
1235 			    NULL, 0, WDR_SHORT_TIMEOUT);
1236 	return rv;
1237 }
1238 
1239 static int write_latency_timer(struct usb_serial_port *port)
1240 {
1241 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1242 	struct usb_device *udev = port->serial->dev;
1243 	int rv;
1244 	int l = priv->latency;
1245 
1246 	if (priv->flags & ASYNC_LOW_LATENCY)
1247 		l = 1;
1248 
1249 	dbg("%s: setting latency timer = %i", __func__, l);
1250 
1251 	rv = usb_control_msg(udev,
1252 			     usb_sndctrlpipe(udev, 0),
1253 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1254 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1255 			     l, priv->interface,
1256 			     NULL, 0, WDR_TIMEOUT);
1257 	if (rv < 0)
1258 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1259 	return rv;
1260 }
1261 
1262 static int read_latency_timer(struct usb_serial_port *port)
1263 {
1264 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1265 	struct usb_device *udev = port->serial->dev;
1266 	unsigned char *buf;
1267 	int rv;
1268 
1269 	dbg("%s", __func__);
1270 
1271 	buf = kmalloc(1, GFP_KERNEL);
1272 	if (!buf)
1273 		return -ENOMEM;
1274 
1275 	rv = usb_control_msg(udev,
1276 			     usb_rcvctrlpipe(udev, 0),
1277 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1278 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1279 			     0, priv->interface,
1280 			     buf, 1, WDR_TIMEOUT);
1281 	if (rv < 0)
1282 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1283 	else
1284 		priv->latency = buf[0];
1285 
1286 	kfree(buf);
1287 
1288 	return rv;
1289 }
1290 
1291 static int get_serial_info(struct usb_serial_port *port,
1292 				struct serial_struct __user *retinfo)
1293 {
1294 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1295 	struct serial_struct tmp;
1296 
1297 	if (!retinfo)
1298 		return -EFAULT;
1299 	memset(&tmp, 0, sizeof(tmp));
1300 	tmp.flags = priv->flags;
1301 	tmp.baud_base = priv->baud_base;
1302 	tmp.custom_divisor = priv->custom_divisor;
1303 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1304 		return -EFAULT;
1305 	return 0;
1306 }
1307 
1308 static int set_serial_info(struct tty_struct *tty,
1309 	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1310 {
1311 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1312 	struct serial_struct new_serial;
1313 	struct ftdi_private old_priv;
1314 
1315 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1316 		return -EFAULT;
1317 
1318 	mutex_lock(&priv->cfg_lock);
1319 	old_priv = *priv;
1320 
1321 	/* Do error checking and permission checking */
1322 
1323 	if (!capable(CAP_SYS_ADMIN)) {
1324 		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1325 		     (priv->flags & ~ASYNC_USR_MASK))) {
1326 			mutex_unlock(&priv->cfg_lock);
1327 			return -EPERM;
1328 		}
1329 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1330 			       (new_serial.flags & ASYNC_USR_MASK));
1331 		priv->custom_divisor = new_serial.custom_divisor;
1332 		goto check_and_exit;
1333 	}
1334 
1335 	if ((new_serial.baud_base != priv->baud_base) &&
1336 	    (new_serial.baud_base < 9600)) {
1337 		mutex_unlock(&priv->cfg_lock);
1338 		return -EINVAL;
1339 	}
1340 
1341 	/* Make the changes - these are privileged changes! */
1342 
1343 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1344 					(new_serial.flags & ASYNC_FLAGS));
1345 	priv->custom_divisor = new_serial.custom_divisor;
1346 
1347 	write_latency_timer(port);
1348 
1349 check_and_exit:
1350 	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1351 	     (priv->flags & ASYNC_SPD_MASK)) {
1352 		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1353 			tty->alt_speed = 57600;
1354 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1355 			tty->alt_speed = 115200;
1356 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1357 			tty->alt_speed = 230400;
1358 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1359 			tty->alt_speed = 460800;
1360 		else
1361 			tty->alt_speed = 0;
1362 	}
1363 	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1364 	     (priv->flags & ASYNC_SPD_MASK)) ||
1365 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1366 	     (old_priv.custom_divisor != priv->custom_divisor))) {
1367 		change_speed(tty, port);
1368 		mutex_unlock(&priv->cfg_lock);
1369 	}
1370 	else
1371 		mutex_unlock(&priv->cfg_lock);
1372 	return 0;
1373 }
1374 
1375 static int get_lsr_info(struct usb_serial_port *port,
1376 			struct serial_struct __user *retinfo)
1377 {
1378 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1379 	unsigned int result = 0;
1380 
1381 	if (!retinfo)
1382 		return -EFAULT;
1383 
1384 	if (priv->transmit_empty)
1385 		result = TIOCSER_TEMT;
1386 
1387 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1388 		return -EFAULT;
1389 	return 0;
1390 }
1391 
1392 
1393 /* Determine type of FTDI chip based on USB config and descriptor. */
1394 static void ftdi_determine_type(struct usb_serial_port *port)
1395 {
1396 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1397 	struct usb_serial *serial = port->serial;
1398 	struct usb_device *udev = serial->dev;
1399 	unsigned version;
1400 	unsigned interfaces;
1401 
1402 	/* Assume it is not the original SIO device for now. */
1403 	priv->baud_base = 48000000 / 2;
1404 
1405 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1406 	interfaces = udev->actconfig->desc.bNumInterfaces;
1407 	dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1408 			version, interfaces);
1409 	if (interfaces > 1) {
1410 		int inter;
1411 
1412 		/* Multiple interfaces.*/
1413 		if (version == 0x0800) {
1414 			priv->chip_type = FT4232H;
1415 			/* Hi-speed - baud clock runs at 120MHz */
1416 			priv->baud_base = 120000000 / 2;
1417 		} else if (version == 0x0700) {
1418 			priv->chip_type = FT2232H;
1419 			/* Hi-speed - baud clock runs at 120MHz */
1420 			priv->baud_base = 120000000 / 2;
1421 		} else
1422 			priv->chip_type = FT2232C;
1423 
1424 		/* Determine interface code. */
1425 		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1426 		if (inter == 0) {
1427 			priv->interface = INTERFACE_A;
1428 		} else  if (inter == 1) {
1429 			priv->interface = INTERFACE_B;
1430 		} else  if (inter == 2) {
1431 			priv->interface = INTERFACE_C;
1432 		} else  if (inter == 3) {
1433 			priv->interface = INTERFACE_D;
1434 		}
1435 		/* BM-type devices have a bug where bcdDevice gets set
1436 		 * to 0x200 when iSerialNumber is 0.  */
1437 		if (version < 0x500) {
1438 			dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1439 					__func__);
1440 		}
1441 	} else if (version < 0x200) {
1442 		/* Old device.  Assume it's the original SIO. */
1443 		priv->chip_type = SIO;
1444 		priv->baud_base = 12000000 / 16;
1445 	} else if (version < 0x400) {
1446 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1447 		/* (It might be a BM because of the iSerialNumber bug,
1448 		 * but it will still work as an AM device.) */
1449 		priv->chip_type = FT8U232AM;
1450 	} else if (version < 0x600) {
1451 		/* Assume it's an FT232BM (or FT245BM) */
1452 		priv->chip_type = FT232BM;
1453 	} else if (version < 0x900) {
1454 		/* Assume it's an FT232RL */
1455 		priv->chip_type = FT232RL;
1456 	} else {
1457 		/* Assume it's an FT232H */
1458 		priv->chip_type = FT232H;
1459 	}
1460 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1461 }
1462 
1463 
1464 /* Determine the maximum packet size for the device.  This depends on the chip
1465  * type and the USB host capabilities.  The value should be obtained from the
1466  * device descriptor as the chip will use the appropriate values for the host.*/
1467 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1468 {
1469 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1470 	struct usb_serial *serial = port->serial;
1471 	struct usb_device *udev = serial->dev;
1472 
1473 	struct usb_interface *interface = serial->interface;
1474 	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1475 
1476 	unsigned num_endpoints;
1477 	int i;
1478 
1479 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1480 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1481 
1482 	/* NOTE: some customers have programmed FT232R/FT245R devices
1483 	 * with an endpoint size of 0 - not good.  In this case, we
1484 	 * want to override the endpoint descriptor setting and use a
1485 	 * value of 64 for wMaxPacketSize */
1486 	for (i = 0; i < num_endpoints; i++) {
1487 		dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1488 			interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1489 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1490 		if (ep_desc->wMaxPacketSize == 0) {
1491 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1492 			dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1493 		}
1494 	}
1495 
1496 	/* set max packet size based on descriptor */
1497 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1498 
1499 	dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1500 }
1501 
1502 
1503 /*
1504  * ***************************************************************************
1505  * Sysfs Attribute
1506  * ***************************************************************************
1507  */
1508 
1509 static ssize_t show_latency_timer(struct device *dev,
1510 				struct device_attribute *attr, char *buf)
1511 {
1512 	struct usb_serial_port *port = to_usb_serial_port(dev);
1513 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1514 	if (priv->flags & ASYNC_LOW_LATENCY)
1515 		return sprintf(buf, "1\n");
1516 	else
1517 		return sprintf(buf, "%i\n", priv->latency);
1518 }
1519 
1520 
1521 /* Write a new value of the latency timer, in units of milliseconds. */
1522 static ssize_t store_latency_timer(struct device *dev,
1523 			struct device_attribute *attr, const char *valbuf,
1524 			size_t count)
1525 {
1526 	struct usb_serial_port *port = to_usb_serial_port(dev);
1527 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1528 	int v = simple_strtoul(valbuf, NULL, 10);
1529 	int rv;
1530 
1531 	priv->latency = v;
1532 	rv = write_latency_timer(port);
1533 	if (rv < 0)
1534 		return -EIO;
1535 	return count;
1536 }
1537 
1538 /* Write an event character directly to the FTDI register.  The ASCII
1539    value is in the low 8 bits, with the enable bit in the 9th bit. */
1540 static ssize_t store_event_char(struct device *dev,
1541 	struct device_attribute *attr, const char *valbuf, size_t count)
1542 {
1543 	struct usb_serial_port *port = to_usb_serial_port(dev);
1544 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1545 	struct usb_device *udev = port->serial->dev;
1546 	int v = simple_strtoul(valbuf, NULL, 10);
1547 	int rv;
1548 
1549 	dbg("%s: setting event char = %i", __func__, v);
1550 
1551 	rv = usb_control_msg(udev,
1552 			     usb_sndctrlpipe(udev, 0),
1553 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1554 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1555 			     v, priv->interface,
1556 			     NULL, 0, WDR_TIMEOUT);
1557 	if (rv < 0) {
1558 		dbg("Unable to write event character: %i", rv);
1559 		return -EIO;
1560 	}
1561 
1562 	return count;
1563 }
1564 
1565 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1566 							store_latency_timer);
1567 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1568 
1569 static int create_sysfs_attrs(struct usb_serial_port *port)
1570 {
1571 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1572 	int retval = 0;
1573 
1574 	dbg("%s", __func__);
1575 
1576 	/* XXX I've no idea if the original SIO supports the event_char
1577 	 * sysfs parameter, so I'm playing it safe.  */
1578 	if (priv->chip_type != SIO) {
1579 		dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1580 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1581 		if ((!retval) &&
1582 		    (priv->chip_type == FT232BM ||
1583 		     priv->chip_type == FT2232C ||
1584 		     priv->chip_type == FT232RL ||
1585 		     priv->chip_type == FT2232H ||
1586 		     priv->chip_type == FT4232H ||
1587 		     priv->chip_type == FT232H)) {
1588 			retval = device_create_file(&port->dev,
1589 						    &dev_attr_latency_timer);
1590 		}
1591 	}
1592 	return retval;
1593 }
1594 
1595 static void remove_sysfs_attrs(struct usb_serial_port *port)
1596 {
1597 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1598 
1599 	dbg("%s", __func__);
1600 
1601 	/* XXX see create_sysfs_attrs */
1602 	if (priv->chip_type != SIO) {
1603 		device_remove_file(&port->dev, &dev_attr_event_char);
1604 		if (priv->chip_type == FT232BM ||
1605 		    priv->chip_type == FT2232C ||
1606 		    priv->chip_type == FT232RL ||
1607 		    priv->chip_type == FT2232H ||
1608 		    priv->chip_type == FT4232H ||
1609                     priv->chip_type == FT232H) {
1610 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1611 		}
1612 	}
1613 
1614 }
1615 
1616 /*
1617  * ***************************************************************************
1618  * FTDI driver specific functions
1619  * ***************************************************************************
1620  */
1621 
1622 /* Probe function to check for special devices */
1623 static int ftdi_sio_probe(struct usb_serial *serial,
1624 					const struct usb_device_id *id)
1625 {
1626 	struct ftdi_sio_quirk *quirk =
1627 				(struct ftdi_sio_quirk *)id->driver_info;
1628 
1629 	if (quirk && quirk->probe) {
1630 		int ret = quirk->probe(serial);
1631 		if (ret != 0)
1632 			return ret;
1633 	}
1634 
1635 	usb_set_serial_data(serial, (void *)id->driver_info);
1636 
1637 	return 0;
1638 }
1639 
1640 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1641 {
1642 	struct ftdi_private *priv;
1643 	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1644 
1645 
1646 	dbg("%s", __func__);
1647 
1648 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1649 	if (!priv) {
1650 		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1651 					sizeof(struct ftdi_private));
1652 		return -ENOMEM;
1653 	}
1654 
1655 	kref_init(&priv->kref);
1656 	mutex_init(&priv->cfg_lock);
1657 	memset(&priv->icount, 0x00, sizeof(priv->icount));
1658 	init_waitqueue_head(&priv->delta_msr_wait);
1659 
1660 	priv->flags = ASYNC_LOW_LATENCY;
1661 
1662 	if (quirk && quirk->port_probe)
1663 		quirk->port_probe(priv);
1664 
1665 	priv->port = port;
1666 	usb_set_serial_port_data(port, priv);
1667 
1668 	ftdi_determine_type(port);
1669 	ftdi_set_max_packet_size(port);
1670 	if (read_latency_timer(port) < 0)
1671 		priv->latency = 16;
1672 	write_latency_timer(port);
1673 	create_sysfs_attrs(port);
1674 	return 0;
1675 }
1676 
1677 /* Setup for the USB-UIRT device, which requires hardwired
1678  * baudrate (38400 gets mapped to 312500) */
1679 /* Called from usbserial:serial_probe */
1680 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1681 {
1682 	dbg("%s", __func__);
1683 
1684 	priv->flags |= ASYNC_SPD_CUST;
1685 	priv->custom_divisor = 77;
1686 	priv->force_baud = 38400;
1687 }
1688 
1689 /* Setup for the HE-TIRA1 device, which requires hardwired
1690  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1691 
1692 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1693 {
1694 	dbg("%s", __func__);
1695 
1696 	priv->flags |= ASYNC_SPD_CUST;
1697 	priv->custom_divisor = 240;
1698 	priv->force_baud = 38400;
1699 	priv->force_rtscts = 1;
1700 }
1701 
1702 /*
1703  * Module parameter to control latency timer for NDI FTDI-based USB devices.
1704  * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1705  */
1706 static int ndi_latency_timer = 1;
1707 
1708 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1709  * baudrate (19200 gets mapped to 1200000).
1710  *
1711  * Called from usbserial:serial_probe.
1712  */
1713 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1714 {
1715 	struct usb_device *udev = serial->dev;
1716 	int latency = ndi_latency_timer;
1717 
1718 	if (latency == 0)
1719 		latency = 1;
1720 	if (latency > 99)
1721 		latency = 99;
1722 
1723 	dbg("%s setting NDI device latency to %d", __func__, latency);
1724 	dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1725 
1726 	/* FIXME: errors are not returned */
1727 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1728 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1729 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1730 				latency, 0, NULL, 0, WDR_TIMEOUT);
1731 	return 0;
1732 }
1733 
1734 /*
1735  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1736  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1737  * userspace using openocd.
1738  */
1739 static int ftdi_jtag_probe(struct usb_serial *serial)
1740 {
1741 	struct usb_device *udev = serial->dev;
1742 	struct usb_interface *interface = serial->interface;
1743 
1744 	dbg("%s", __func__);
1745 
1746 	if (interface == udev->actconfig->interface[0]) {
1747 		dev_info(&udev->dev,
1748 			 "Ignoring serial port reserved for JTAG\n");
1749 		return -ENODEV;
1750 	}
1751 
1752 	return 0;
1753 }
1754 
1755 static int ftdi_8u2232c_probe(struct usb_serial *serial)
1756 {
1757 	struct usb_device *udev = serial->dev;
1758 
1759 	dbg("%s", __func__);
1760 
1761 	if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
1762 		return ftdi_jtag_probe(serial);
1763 
1764 	return 0;
1765 }
1766 
1767 /*
1768  * First and second port on STMCLiteadaptors is reserved for JTAG interface
1769  * and the forth port for pio
1770  */
1771 static int ftdi_stmclite_probe(struct usb_serial *serial)
1772 {
1773 	struct usb_device *udev = serial->dev;
1774 	struct usb_interface *interface = serial->interface;
1775 
1776 	dbg("%s", __func__);
1777 
1778 	if (interface == udev->actconfig->interface[2])
1779 		return 0;
1780 
1781 	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1782 
1783 	return -ENODEV;
1784 }
1785 
1786 /*
1787  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1788  * We have to correct it if we want to read from it.
1789  */
1790 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1791 {
1792 	struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1793 	struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1794 
1795 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1796 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1797 		dev_info(&serial->dev->dev,
1798 			 "Fixing invalid wMaxPacketSize on read pipe\n");
1799 	}
1800 
1801 	return 0;
1802 }
1803 
1804 static void ftdi_sio_priv_release(struct kref *k)
1805 {
1806 	struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1807 
1808 	kfree(priv);
1809 }
1810 
1811 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1812 {
1813 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1814 
1815 	dbg("%s", __func__);
1816 
1817 	remove_sysfs_attrs(port);
1818 
1819 	kref_put(&priv->kref, ftdi_sio_priv_release);
1820 
1821 	return 0;
1822 }
1823 
1824 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1825 {
1826 	struct usb_device *dev = port->serial->dev;
1827 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1828 	int result;
1829 
1830 	dbg("%s", __func__);
1831 
1832 	/* No error checking for this (will get errors later anyway) */
1833 	/* See ftdi_sio.h for description of what is reset */
1834 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1835 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1836 			FTDI_SIO_RESET_SIO,
1837 			priv->interface, NULL, 0, WDR_TIMEOUT);
1838 
1839 	/* Termios defaults are set by usb_serial_init. We don't change
1840 	   port->tty->termios - this would lose speed settings, etc.
1841 	   This is same behaviour as serial.c/rs_open() - Kuba */
1842 
1843 	/* ftdi_set_termios  will send usb control messages */
1844 	if (tty)
1845 		ftdi_set_termios(tty, port, tty->termios);
1846 
1847 	/* Start reading from the device */
1848 	result = usb_serial_generic_open(tty, port);
1849 	if (!result)
1850 		kref_get(&priv->kref);
1851 
1852 	return result;
1853 }
1854 
1855 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1856 {
1857 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1858 
1859 	mutex_lock(&port->serial->disc_mutex);
1860 	if (!port->serial->disconnected) {
1861 		/* Disable flow control */
1862 		if (!on && usb_control_msg(port->serial->dev,
1863 			    usb_sndctrlpipe(port->serial->dev, 0),
1864 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1865 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1866 			    0, priv->interface, NULL, 0,
1867 			    WDR_TIMEOUT) < 0) {
1868 			    dev_err(&port->dev, "error from flowcontrol urb\n");
1869 		}
1870 		/* drop RTS and DTR */
1871 		if (on)
1872 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1873 		else
1874 			clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1875 	}
1876 	mutex_unlock(&port->serial->disc_mutex);
1877 }
1878 
1879 /*
1880  * usbserial:__serial_close  only calls ftdi_close if the point is open
1881  *
1882  *   This only gets called when it is the last close
1883  */
1884 static void ftdi_close(struct usb_serial_port *port)
1885 {
1886 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1887 
1888 	dbg("%s", __func__);
1889 
1890 	usb_serial_generic_close(port);
1891 	kref_put(&priv->kref, ftdi_sio_priv_release);
1892 }
1893 
1894 /* The SIO requires the first byte to have:
1895  *  B0 1
1896  *  B1 0
1897  *  B2..7 length of message excluding byte 0
1898  *
1899  * The new devices do not require this byte
1900  */
1901 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1902 						void *dest, size_t size)
1903 {
1904 	struct ftdi_private *priv;
1905 	int count;
1906 	unsigned long flags;
1907 
1908 	priv = usb_get_serial_port_data(port);
1909 
1910 	if (priv->chip_type == SIO) {
1911 		unsigned char *buffer = dest;
1912 		int i, len, c;
1913 
1914 		count = 0;
1915 		spin_lock_irqsave(&port->lock, flags);
1916 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
1917 			len = min_t(int, size - i, priv->max_packet_size) - 1;
1918 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1919 			if (!c)
1920 				break;
1921 			priv->icount.tx += c;
1922 			buffer[i] = (c << 2) + 1;
1923 			count += c + 1;
1924 		}
1925 		spin_unlock_irqrestore(&port->lock, flags);
1926 	} else {
1927 		count = kfifo_out_locked(&port->write_fifo, dest, size,
1928 								&port->lock);
1929 		priv->icount.tx += count;
1930 	}
1931 
1932 	return count;
1933 }
1934 
1935 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1936 
1937 static int ftdi_process_packet(struct tty_struct *tty,
1938 		struct usb_serial_port *port, struct ftdi_private *priv,
1939 		char *packet, int len)
1940 {
1941 	int i;
1942 	char status;
1943 	char flag;
1944 	char *ch;
1945 
1946 	dbg("%s - port %d", __func__, port->number);
1947 
1948 	if (len < 2) {
1949 		dbg("malformed packet");
1950 		return 0;
1951 	}
1952 
1953 	/* Compare new line status to the old one, signal if different/
1954 	   N.B. packet may be processed more than once, but differences
1955 	   are only processed once.  */
1956 	status = packet[0] & FTDI_STATUS_B0_MASK;
1957 	if (status & FTDI_RS0_CTS)
1958 		priv->icount.cts++;
1959 	if (status & FTDI_RS0_DSR)
1960 		priv->icount.dsr++;
1961 	if (status & FTDI_RS0_RI)
1962 		priv->icount.rng++;
1963 	if (status & FTDI_RS0_RLSD)
1964 		priv->icount.dcd++;
1965 	if (status != priv->prev_status) {
1966 		priv->diff_status |= status ^ priv->prev_status;
1967 		wake_up_interruptible(&priv->delta_msr_wait);
1968 		priv->prev_status = status;
1969 	}
1970 
1971 	flag = TTY_NORMAL;
1972 	if (packet[1] & FTDI_RS_ERR_MASK) {
1973 		/* Break takes precedence over parity, which takes precedence
1974 		 * over framing errors */
1975 		if (packet[1] & FTDI_RS_BI) {
1976 			flag = TTY_BREAK;
1977 			priv->icount.brk++;
1978 			usb_serial_handle_break(port);
1979 		} else if (packet[1] & FTDI_RS_PE) {
1980 			flag = TTY_PARITY;
1981 			priv->icount.parity++;
1982 		} else if (packet[1] & FTDI_RS_FE) {
1983 			flag = TTY_FRAME;
1984 			priv->icount.frame++;
1985 		}
1986 		/* Overrun is special, not associated with a char */
1987 		if (packet[1] & FTDI_RS_OE) {
1988 			priv->icount.overrun++;
1989 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
1990 		}
1991 	}
1992 
1993 	/* save if the transmitter is empty or not */
1994 	if (packet[1] & FTDI_RS_TEMT)
1995 		priv->transmit_empty = 1;
1996 	else
1997 		priv->transmit_empty = 0;
1998 
1999 	len -= 2;
2000 	if (!len)
2001 		return 0;	/* status only */
2002 	priv->icount.rx += len;
2003 	ch = packet + 2;
2004 
2005 	if (port->port.console && port->sysrq) {
2006 		for (i = 0; i < len; i++, ch++) {
2007 			if (!usb_serial_handle_sysrq_char(port, *ch))
2008 				tty_insert_flip_char(tty, *ch, flag);
2009 		}
2010 	} else {
2011 		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
2012 	}
2013 
2014 	return len;
2015 }
2016 
2017 static void ftdi_process_read_urb(struct urb *urb)
2018 {
2019 	struct usb_serial_port *port = urb->context;
2020 	struct tty_struct *tty;
2021 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2022 	char *data = (char *)urb->transfer_buffer;
2023 	int i;
2024 	int len;
2025 	int count = 0;
2026 
2027 	tty = tty_port_tty_get(&port->port);
2028 	if (!tty)
2029 		return;
2030 
2031 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2032 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2033 		count += ftdi_process_packet(tty, port, priv, &data[i], len);
2034 	}
2035 
2036 	if (count)
2037 		tty_flip_buffer_push(tty);
2038 	tty_kref_put(tty);
2039 }
2040 
2041 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2042 {
2043 	struct usb_serial_port *port = tty->driver_data;
2044 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2045 	__u16 urb_value;
2046 
2047 	/* break_state = -1 to turn on break, and 0 to turn off break */
2048 	/* see drivers/char/tty_io.c to see it used */
2049 	/* last_set_data_urb_value NEVER has the break bit set in it */
2050 
2051 	if (break_state)
2052 		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2053 	else
2054 		urb_value = priv->last_set_data_urb_value;
2055 
2056 	if (usb_control_msg(port->serial->dev,
2057 			usb_sndctrlpipe(port->serial->dev, 0),
2058 			FTDI_SIO_SET_DATA_REQUEST,
2059 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2060 			urb_value , priv->interface,
2061 			NULL, 0, WDR_TIMEOUT) < 0) {
2062 		dev_err(&port->dev, "%s FAILED to enable/disable break state "
2063 			"(state was %d)\n", __func__, break_state);
2064 	}
2065 
2066 	dbg("%s break state is %d - urb is %d", __func__,
2067 						break_state, urb_value);
2068 
2069 }
2070 
2071 /* old_termios contains the original termios settings and tty->termios contains
2072  * the new setting to be used
2073  * WARNING: set_termios calls this with old_termios in kernel space
2074  */
2075 static void ftdi_set_termios(struct tty_struct *tty,
2076 		struct usb_serial_port *port, struct ktermios *old_termios)
2077 {
2078 	struct usb_device *dev = port->serial->dev;
2079 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2080 	struct ktermios *termios = tty->termios;
2081 	unsigned int cflag = termios->c_cflag;
2082 	__u16 urb_value; /* will hold the new flags */
2083 
2084 	/* Added for xon/xoff support */
2085 	unsigned int iflag = termios->c_iflag;
2086 	unsigned char vstop;
2087 	unsigned char vstart;
2088 
2089 	dbg("%s", __func__);
2090 
2091 	/* Force baud rate if this device requires it, unless it is set to
2092 	   B0. */
2093 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2094 		dbg("%s: forcing baud rate for this device", __func__);
2095 		tty_encode_baud_rate(tty, priv->force_baud,
2096 					priv->force_baud);
2097 	}
2098 
2099 	/* Force RTS-CTS if this device requires it. */
2100 	if (priv->force_rtscts) {
2101 		dbg("%s: forcing rtscts for this device", __func__);
2102 		termios->c_cflag |= CRTSCTS;
2103 	}
2104 
2105 	cflag = termios->c_cflag;
2106 
2107 	/* FIXME -For this cut I don't care if the line is really changing or
2108 	   not  - so just do the change regardless  - should be able to
2109 	   compare old_termios and tty->termios */
2110 	/* NOTE These routines can get interrupted by
2111 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2112 	   don't see any problems yet */
2113 
2114 	/* Set number of data bits, parity, stop bits */
2115 
2116 	urb_value = 0;
2117 	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2118 		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2119 	if (cflag & PARENB) {
2120 		if (cflag & CMSPAR)
2121 			urb_value |= cflag & PARODD ?
2122 				     FTDI_SIO_SET_DATA_PARITY_MARK :
2123 				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2124 		else
2125 			urb_value |= cflag & PARODD ?
2126 				     FTDI_SIO_SET_DATA_PARITY_ODD :
2127 				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2128 	} else {
2129 		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2130 	}
2131 	if (cflag & CSIZE) {
2132 		switch (cflag & CSIZE) {
2133 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2134 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2135 		default:
2136 			dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
2137 		}
2138 	}
2139 
2140 	/* This is needed by the break command since it uses the same command
2141 	   - but is or'ed with this value  */
2142 	priv->last_set_data_urb_value = urb_value;
2143 
2144 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2145 			    FTDI_SIO_SET_DATA_REQUEST,
2146 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2147 			    urb_value , priv->interface,
2148 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2149 		dev_err(&port->dev, "%s FAILED to set "
2150 			"databits/stopbits/parity\n", __func__);
2151 	}
2152 
2153 	/* Now do the baudrate */
2154 	if ((cflag & CBAUD) == B0) {
2155 		/* Disable flow control */
2156 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2157 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2158 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2159 				    0, priv->interface,
2160 				    NULL, 0, WDR_TIMEOUT) < 0) {
2161 			dev_err(&port->dev,
2162 				"%s error from disable flowcontrol urb\n",
2163 				__func__);
2164 		}
2165 		/* Drop RTS and DTR */
2166 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2167 	} else {
2168 		/* set the baudrate determined before */
2169 		mutex_lock(&priv->cfg_lock);
2170 		if (change_speed(tty, port))
2171 			dev_err(&port->dev, "%s urb failed to set baudrate\n",
2172 				__func__);
2173 		mutex_unlock(&priv->cfg_lock);
2174 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2175 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2176 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2177 	}
2178 
2179 	/* Set flow control */
2180 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2181 	if (cflag & CRTSCTS) {
2182 		dbg("%s Setting to CRTSCTS flow control", __func__);
2183 		if (usb_control_msg(dev,
2184 				    usb_sndctrlpipe(dev, 0),
2185 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2186 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2187 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2188 				    NULL, 0, WDR_TIMEOUT) < 0) {
2189 			dev_err(&port->dev,
2190 				"urb failed to set to rts/cts flow control\n");
2191 		}
2192 
2193 	} else {
2194 		/*
2195 		 * Xon/Xoff code
2196 		 *
2197 		 * Check the IXOFF status in the iflag component of the
2198 		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2199 		 * code is executed.
2200 		 */
2201 		if (iflag & IXOFF) {
2202 			dbg("%s  request to enable xonxoff iflag=%04x",
2203 							__func__, iflag);
2204 			/* Try to enable the XON/XOFF on the ftdi_sio
2205 			 * Set the vstart and vstop -- could have been done up
2206 			 * above where a lot of other dereferencing is done but
2207 			 * that would be very inefficient as vstart and vstop
2208 			 * are not always needed.
2209 			 */
2210 			vstart = termios->c_cc[VSTART];
2211 			vstop = termios->c_cc[VSTOP];
2212 			urb_value = (vstop << 8) | (vstart);
2213 
2214 			if (usb_control_msg(dev,
2215 					    usb_sndctrlpipe(dev, 0),
2216 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2217 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2218 					    urb_value , (FTDI_SIO_XON_XOFF_HS
2219 							 | priv->interface),
2220 					    NULL, 0, WDR_TIMEOUT) < 0) {
2221 				dev_err(&port->dev, "urb failed to set to "
2222 					"xon/xoff flow control\n");
2223 			}
2224 		} else {
2225 			/* else clause to only run if cflag ! CRTSCTS and iflag
2226 			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2227 			 * stack - not by device */
2228 			dbg("%s Turning off hardware flow control", __func__);
2229 			if (usb_control_msg(dev,
2230 					    usb_sndctrlpipe(dev, 0),
2231 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2232 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2233 					    0, priv->interface,
2234 					    NULL, 0, WDR_TIMEOUT) < 0) {
2235 				dev_err(&port->dev,
2236 					"urb failed to clear flow control\n");
2237 			}
2238 		}
2239 
2240 	}
2241 }
2242 
2243 static int ftdi_tiocmget(struct tty_struct *tty)
2244 {
2245 	struct usb_serial_port *port = tty->driver_data;
2246 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2247 	unsigned char *buf;
2248 	int len;
2249 	int ret;
2250 
2251 	dbg("%s TIOCMGET", __func__);
2252 
2253 	buf = kmalloc(2, GFP_KERNEL);
2254 	if (!buf)
2255 		return -ENOMEM;
2256 	/*
2257 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2258 	 * the same format as the data returned from the in point.
2259 	 */
2260 	switch (priv->chip_type) {
2261 	case SIO:
2262 		len = 1;
2263 		break;
2264 	case FT8U232AM:
2265 	case FT232BM:
2266 	case FT2232C:
2267 	case FT232RL:
2268 	case FT2232H:
2269 	case FT4232H:
2270 	case FT232H:
2271 		len = 2;
2272 		break;
2273 	default:
2274 		ret = -EFAULT;
2275 		goto out;
2276 	}
2277 
2278 	ret = usb_control_msg(port->serial->dev,
2279 			usb_rcvctrlpipe(port->serial->dev, 0),
2280 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2281 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2282 			0, priv->interface,
2283 			buf, len, WDR_TIMEOUT);
2284 	if (ret < 0)
2285 		goto out;
2286 
2287 	ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2288 		(buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2289 		(buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
2290 		(buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2291 		priv->last_dtr_rts;
2292 out:
2293 	kfree(buf);
2294 	return ret;
2295 }
2296 
2297 static int ftdi_tiocmset(struct tty_struct *tty,
2298 			unsigned int set, unsigned int clear)
2299 {
2300 	struct usb_serial_port *port = tty->driver_data;
2301 	dbg("%s TIOCMSET", __func__);
2302 	return update_mctrl(port, set, clear);
2303 }
2304 
2305 static int ftdi_get_icount(struct tty_struct *tty,
2306 				struct serial_icounter_struct *icount)
2307 {
2308 	struct usb_serial_port *port = tty->driver_data;
2309 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2310 	struct async_icount *ic = &priv->icount;
2311 
2312 	icount->cts = ic->cts;
2313 	icount->dsr = ic->dsr;
2314 	icount->rng = ic->rng;
2315 	icount->dcd = ic->dcd;
2316 	icount->tx = ic->tx;
2317 	icount->rx = ic->rx;
2318 	icount->frame = ic->frame;
2319 	icount->parity = ic->parity;
2320 	icount->overrun = ic->overrun;
2321 	icount->brk = ic->brk;
2322 	icount->buf_overrun = ic->buf_overrun;
2323 	return 0;
2324 }
2325 
2326 static int ftdi_ioctl(struct tty_struct *tty,
2327 					unsigned int cmd, unsigned long arg)
2328 {
2329 	struct usb_serial_port *port = tty->driver_data;
2330 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2331 	struct async_icount cnow;
2332 	struct async_icount cprev;
2333 
2334 	dbg("%s cmd 0x%04x", __func__, cmd);
2335 
2336 	/* Based on code from acm.c and others */
2337 	switch (cmd) {
2338 
2339 	case TIOCGSERIAL: /* gets serial port data */
2340 		return get_serial_info(port,
2341 					(struct serial_struct __user *) arg);
2342 
2343 	case TIOCSSERIAL: /* sets serial port data */
2344 		return set_serial_info(tty, port,
2345 					(struct serial_struct __user *) arg);
2346 
2347 	/*
2348 	 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2349 	 * - mask passed in arg for lines of interest
2350 	 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2351 	 * Caller should use TIOCGICOUNT to see which one it was.
2352 	 *
2353 	 * This code is borrowed from linux/drivers/char/serial.c
2354 	 */
2355 	case TIOCMIWAIT:
2356 		cprev = priv->icount;
2357 		while (1) {
2358 			interruptible_sleep_on(&priv->delta_msr_wait);
2359 			/* see if a signal did it */
2360 			if (signal_pending(current))
2361 				return -ERESTARTSYS;
2362 			cnow = priv->icount;
2363 			if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
2364 			    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
2365 				return -EIO; /* no change => error */
2366 			if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
2367 			    ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
2368 			    ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
2369 			    ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
2370 				return 0;
2371 			}
2372 			cprev = cnow;
2373 		}
2374 		/* not reached */
2375 		break;
2376 	case TIOCSERGETLSR:
2377 		return get_lsr_info(port, (struct serial_struct __user *)arg);
2378 		break;
2379 	default:
2380 		break;
2381 	}
2382 	/* This is not necessarily an error - turns out the higher layers
2383 	 * will do some ioctls themselves (see comment above)
2384 	 */
2385 	dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2386 	return -ENOIOCTLCMD;
2387 }
2388 
2389 static int __init ftdi_init(void)
2390 {
2391 	int retval;
2392 
2393 	dbg("%s", __func__);
2394 	if (vendor > 0 && product > 0) {
2395 		/* Add user specified VID/PID to reserved element of table. */
2396 		int i;
2397 		for (i = 0; id_table_combined[i].idVendor; i++)
2398 			;
2399 		id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2400 		id_table_combined[i].idVendor = vendor;
2401 		id_table_combined[i].idProduct = product;
2402 	}
2403 	retval = usb_serial_register(&ftdi_sio_device);
2404 	if (retval)
2405 		goto failed_sio_register;
2406 	retval = usb_register(&ftdi_driver);
2407 	if (retval)
2408 		goto failed_usb_register;
2409 
2410 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2411 	       DRIVER_DESC "\n");
2412 	return 0;
2413 failed_usb_register:
2414 	usb_serial_deregister(&ftdi_sio_device);
2415 failed_sio_register:
2416 	return retval;
2417 }
2418 
2419 static void __exit ftdi_exit(void)
2420 {
2421 	dbg("%s", __func__);
2422 
2423 	usb_deregister(&ftdi_driver);
2424 	usb_serial_deregister(&ftdi_sio_device);
2425 }
2426 
2427 
2428 module_init(ftdi_init);
2429 module_exit(ftdi_exit);
2430 
2431 MODULE_AUTHOR(DRIVER_AUTHOR);
2432 MODULE_DESCRIPTION(DRIVER_DESC);
2433 MODULE_LICENSE("GPL");
2434 
2435 module_param(debug, bool, S_IRUGO | S_IWUSR);
2436 MODULE_PARM_DESC(debug, "Debug enabled or not");
2437 module_param(vendor, ushort, 0);
2438 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2439 		__MODULE_STRING(FTDI_VID)")");
2440 module_param(product, ushort, 0);
2441 MODULE_PARM_DESC(product, "User specified product ID");
2442 
2443 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2444 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2445