xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision ed84ef1c)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * USB FTDI SIO driver
4  *
5  *	Copyright (C) 2009 - 2013
6  *	    Johan Hovold (jhovold@gmail.com)
7  *	Copyright (C) 1999 - 2001
8  *	    Greg Kroah-Hartman (greg@kroah.com)
9  *          Bill Ryder (bryder@sgi.com)
10  *	Copyright (C) 2002
11  *	    Kuba Ober (kuba@mareimbrium.org)
12  *
13  * See Documentation/usb/usb-serial.rst for more information on using this
14  * driver
15  *
16  * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
17  *	and extra documentation
18  *
19  * Change entries from 2004 and earlier can be found in versions of this
20  * file in kernel versions prior to the 2.6.24 release.
21  *
22  */
23 
24 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
25 /* Thanx to FTDI for so kindly providing details of the protocol required */
26 /*   to talk to the device */
27 /* Thanx to gkh and the rest of the usb dev group for all code I have
28    assimilated :-) */
29 
30 #include <linux/kernel.h>
31 #include <linux/errno.h>
32 #include <linux/slab.h>
33 #include <linux/tty.h>
34 #include <linux/tty_driver.h>
35 #include <linux/tty_flip.h>
36 #include <linux/module.h>
37 #include <linux/spinlock.h>
38 #include <linux/mutex.h>
39 #include <linux/uaccess.h>
40 #include <linux/usb.h>
41 #include <linux/serial.h>
42 #include <linux/gpio/driver.h>
43 #include <linux/usb/serial.h>
44 #include "ftdi_sio.h"
45 #include "ftdi_sio_ids.h"
46 
47 #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>"
48 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
49 
50 
51 struct ftdi_private {
52 	enum ftdi_chip_type chip_type;
53 				/* type of device, either SIO or FT8U232AM */
54 	int baud_base;		/* baud base clock for divisor setting */
55 	int custom_divisor;	/* custom_divisor kludge, this is for
56 				   baud_base (different from what goes to the
57 				   chip!) */
58 	u16 last_set_data_value; /* the last data state set - needed for doing
59 				  * a break
60 				  */
61 	int flags;		/* some ASYNC_xxxx flags are supported */
62 	unsigned long last_dtr_rts;	/* saved modem control outputs */
63 	char prev_status;        /* Used for TIOCMIWAIT */
64 	char transmit_empty;	/* If transmitter is empty or not */
65 	u16 interface;		/* FT2232C, FT2232H or FT4232H port interface
66 				   (0 for FT232/245) */
67 
68 	speed_t force_baud;	/* if non-zero, force the baud rate to
69 				   this value */
70 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
71 				   be enabled */
72 
73 	unsigned int latency;		/* latency setting in use */
74 	unsigned short max_packet_size;
75 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
76 #ifdef CONFIG_GPIOLIB
77 	struct gpio_chip gc;
78 	struct mutex gpio_lock;	/* protects GPIO state */
79 	bool gpio_registered;	/* is the gpiochip in kernel registered */
80 	bool gpio_used;		/* true if the user requested a gpio */
81 	u8 gpio_altfunc;	/* which pins are in gpio mode */
82 	u8 gpio_output;		/* pin directions cache */
83 	u8 gpio_value;		/* pin value for outputs */
84 #endif
85 };
86 
87 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
88 struct ftdi_sio_quirk {
89 	int (*probe)(struct usb_serial *);
90 	/* Special settings for probed ports. */
91 	void (*port_probe)(struct ftdi_private *);
92 };
93 
94 static int   ftdi_jtag_probe(struct usb_serial *serial);
95 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
96 static int   ftdi_stmclite_probe(struct usb_serial *serial);
97 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
98 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
99 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
100 
101 static const struct ftdi_sio_quirk ftdi_jtag_quirk = {
102 	.probe	= ftdi_jtag_probe,
103 };
104 
105 static const struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
106 	.probe	= ftdi_NDI_device_setup,
107 };
108 
109 static const struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
110 	.port_probe = ftdi_USB_UIRT_setup,
111 };
112 
113 static const struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
114 	.port_probe = ftdi_HE_TIRA1_setup,
115 };
116 
117 static const struct ftdi_sio_quirk ftdi_stmclite_quirk = {
118 	.probe	= ftdi_stmclite_probe,
119 };
120 
121 static const struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
122 	.probe	= ftdi_8u2232c_probe,
123 };
124 
125 /*
126  * The 8U232AM has the same API as the sio except for:
127  * - it can support MUCH higher baudrates; up to:
128  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
129  *   o 230400 at 12MHz
130  *   so .. 8U232AM's baudrate setting codes are different
131  * - it has a two byte status code.
132  * - it returns characters every 16ms (the FTDI does it every 40ms)
133  *
134  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
135  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
136  * combinations in both tables.
137  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
138  * but I don't know if those ever went into mass production. [Ian Abbott]
139  */
140 
141 
142 
143 /*
144  * Device ID not listed? Test it using
145  * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
146  */
147 static const struct usb_device_id id_table_combined[] = {
148 	{ USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
149 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
150 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
151 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
152 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
153 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
154 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
155 	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
156 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
157 	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
158 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
159 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
160 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
161 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
179 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
180 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
187 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
188 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
191 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
192 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
193 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
194 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
195 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
211 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
212 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
213 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
214 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
215 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
216 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
217 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
220 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
221 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
222 	{ USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
485 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
486 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
487 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
488 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
489 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
490 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
491 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
492 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
493 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
494 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
495 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
496 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
497 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
498 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
499 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
500 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
501 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
502 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
503 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
504 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
505 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
506 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
507 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
508 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
509 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
510 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
511 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
512 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
513 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
514 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
515 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
526 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
527 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
528 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
529 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
530 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
531 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
532 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
533 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
534 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
535 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
536 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
537 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
539 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
540 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
541 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
542 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
543 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
544 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
545 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
546 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
547 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
548 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
549 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
550 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
551 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
552 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
553 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
554 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
555 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
556 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
557 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
558 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
559 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
560 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
561 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
562 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
563 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
564 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
565 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
566 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
567 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
568 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
569 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
571 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
572 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
573 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
574 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
575 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
576 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
577 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
581 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
582 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
583 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
584 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
610 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
611 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
612 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
613 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
619 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
621 	/*
622 	 * ELV devices:
623 	 */
624 	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
629 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
630 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
631 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
632 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
633 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
634 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
635 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
636 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
637 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
639 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
640 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
641 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
642 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
643 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
644 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
645 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
646 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
647 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
648 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
649 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
650 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
651 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
652 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
653 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
654 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) },
662 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
663 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
664 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
665 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
666 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
667 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
668 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
673 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
674 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
675 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
676 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
677 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
680 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
682 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
683 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
684 	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
685 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
686 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
687 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
688 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
689 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
690 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
691 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
692 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
693 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
694 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
695 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
696 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
697 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
698 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
699 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
700 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
701 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
702 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
704 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
705 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
706 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
707 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
708 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
709 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
710 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
711 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
712 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
713 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
714 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
715 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
716 	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
717 	{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
718 	{ USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
719 	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
720 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
721 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
723 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
724 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
725 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
726 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
727 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
728 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
729 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
730 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
731 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
732 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
733 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
734 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
735 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
736 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
737 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
738 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
739 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
740 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
741 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
742 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
743 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
744 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
745 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
746 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
747 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
748 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
749 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
750 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
751 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
752 	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
753 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
754 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
755 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
756 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
757 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
758 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
759 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
760 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
761 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
762 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
763 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
764 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
765 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
766 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
767 	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
768 	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
769 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
770 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
771 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
772 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
773 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
774 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
775 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
776 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
777 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
778 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
779 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
780 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
781 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
782 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
783 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
784 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
785 	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
786 	{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
787 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
788 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
789 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
790 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
791 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
792 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
793 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
794 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
795 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
796 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
797 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
798 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
799 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
800 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
801 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
802 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
803 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
804 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
805 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
806 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
807 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
808 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
809 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
810 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
811 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
812 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
813 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
814 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
815 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
816 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
817 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
818 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
819 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
820 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
821 	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
822 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
823 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
824 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
825 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
826 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
827 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
828 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
829 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
830 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
831 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
832 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
833 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
834 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
835 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
836 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
837 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
838 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
839 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
840 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
841 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
842 
843 	/* Papouch devices based on FTDI chip */
844 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
845 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
846 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
847 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
848 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
849 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
850 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
851 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
852 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
853 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
854 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
855 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
856 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
857 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
858 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
859 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
860 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
861 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
862 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
863 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
864 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
865 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
866 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
867 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
868 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
869 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
870 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
871 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
872 
873 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
874 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
875 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
876 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
877 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
878 	{ USB_DEVICE(DE_VID, STB_PID) },
879 	{ USB_DEVICE(DE_VID, WHT_PID) },
880 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
881 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
882 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
883 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
884 	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
885 					USB_CLASS_VENDOR_SPEC,
886 					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
887 	{ USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
888 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
889 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
890 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
891 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
892 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
893 	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
894 	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
895 	{ USB_DEVICE(PI_VID, PI_C866_PID) },
896 	{ USB_DEVICE(PI_VID, PI_C663_PID) },
897 	{ USB_DEVICE(PI_VID, PI_C725_PID) },
898 	{ USB_DEVICE(PI_VID, PI_E517_PID) },
899 	{ USB_DEVICE(PI_VID, PI_C863_PID) },
900 	{ USB_DEVICE(PI_VID, PI_E861_PID) },
901 	{ USB_DEVICE(PI_VID, PI_C867_PID) },
902 	{ USB_DEVICE(PI_VID, PI_E609_PID) },
903 	{ USB_DEVICE(PI_VID, PI_E709_PID) },
904 	{ USB_DEVICE(PI_VID, PI_100F_PID) },
905 	{ USB_DEVICE(PI_VID, PI_1011_PID) },
906 	{ USB_DEVICE(PI_VID, PI_1012_PID) },
907 	{ USB_DEVICE(PI_VID, PI_1013_PID) },
908 	{ USB_DEVICE(PI_VID, PI_1014_PID) },
909 	{ USB_DEVICE(PI_VID, PI_1015_PID) },
910 	{ USB_DEVICE(PI_VID, PI_1016_PID) },
911 	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
912 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
913 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
914 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
915 	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
916 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
917 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
918 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
919 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
920 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
921 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
922 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
923 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
924 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
925 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
926 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
927 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
928 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
929 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
930 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
931 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
932 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
933 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
934 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
935 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
936 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
937 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
938 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
939 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
940 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
941 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
942 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
943 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
944 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
945 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
946 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
947 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
948 	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
949 	{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
950 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
951 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
952 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
953 	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
954 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
955 	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
956 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
957 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
958 	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
959 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
960 	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
961 	/* Crucible Devices */
962 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
963 	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
964 	/* Cressi Devices */
965 	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
966 	/* Brainboxes Devices */
967 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
968 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
969 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
970 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
971 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
972 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
973 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
974 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
975 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
976 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
977 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
978 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
979 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
980 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
981 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
982 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
983 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
984 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
985 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
986 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
987 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
988 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
989 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
990 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
991 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
992 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
993 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
994 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
995 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
996 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
997 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
998 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
999 	/* ekey Devices */
1000 	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
1001 	/* Infineon Devices */
1002 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
1003 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
1004 	/* GE Healthcare devices */
1005 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
1006 	/* Active Research (Actisense) devices */
1007 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
1008 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
1009 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
1010 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
1011 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
1012 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
1013 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
1014 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
1015 	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1016 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1017 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1018 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1019 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1020 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1021 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1022 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1023 	/* ICP DAS I-756xU devices */
1024 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1025 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1026 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1027 	{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
1028 	{ USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
1029 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1030 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
1031 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
1032 	{ USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
1033 	/* EZPrototypes devices */
1034 	{ USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
1035 	{ USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
1036 	/* Sienna devices */
1037 	{ USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
1038 	{ USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
1039 	/* IDS GmbH devices */
1040 	{ USB_DEVICE(IDS_VID, IDS_SI31A_PID) },
1041 	{ USB_DEVICE(IDS_VID, IDS_CM31A_PID) },
1042 	/* U-Blox devices */
1043 	{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
1044 	{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
1045 	/* FreeCalypso USB adapters */
1046 	{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
1047 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1048 	{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
1049 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1050 	{ }					/* Terminating entry */
1051 };
1052 
1053 MODULE_DEVICE_TABLE(usb, id_table_combined);
1054 
1055 static const char *ftdi_chip_name[] = {
1056 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
1057 	[FT8U232AM] = "FT8U232AM",
1058 	[FT232BM] = "FT232BM",
1059 	[FT2232C] = "FT2232C",
1060 	[FT232RL] = "FT232RL",
1061 	[FT2232H] = "FT2232H",
1062 	[FT4232H] = "FT4232H",
1063 	[FT232H]  = "FT232H",
1064 	[FTX]     = "FT-X"
1065 };
1066 
1067 
1068 /* Used for TIOCMIWAIT */
1069 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1070 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1071 /* End TIOCMIWAIT */
1072 
1073 /* function prototypes for a FTDI serial converter */
1074 static int  ftdi_sio_probe(struct usb_serial *serial,
1075 					const struct usb_device_id *id);
1076 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
1077 static void ftdi_sio_port_remove(struct usb_serial_port *port);
1078 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
1079 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
1080 static void ftdi_process_read_urb(struct urb *urb);
1081 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1082 						void *dest, size_t size);
1083 static void ftdi_set_termios(struct tty_struct *tty,
1084 			struct usb_serial_port *port, struct ktermios *old);
1085 static int  ftdi_tiocmget(struct tty_struct *tty);
1086 static int  ftdi_tiocmset(struct tty_struct *tty,
1087 			unsigned int set, unsigned int clear);
1088 static int  ftdi_ioctl(struct tty_struct *tty,
1089 			unsigned int cmd, unsigned long arg);
1090 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss);
1091 static int set_serial_info(struct tty_struct *tty,
1092 				struct serial_struct *ss);
1093 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1094 static bool ftdi_tx_empty(struct usb_serial_port *port);
1095 static int ftdi_get_modem_status(struct usb_serial_port *port,
1096 						unsigned char status[2]);
1097 
1098 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1099 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1100 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1101 static u32 ftdi_232bm_baud_to_divisor(int baud);
1102 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1103 static u32 ftdi_2232h_baud_to_divisor(int baud);
1104 
1105 static struct usb_serial_driver ftdi_sio_device = {
1106 	.driver = {
1107 		.owner =	THIS_MODULE,
1108 		.name =		"ftdi_sio",
1109 	},
1110 	.description =		"FTDI USB Serial Device",
1111 	.id_table =		id_table_combined,
1112 	.num_ports =		1,
1113 	.bulk_in_size =		512,
1114 	.bulk_out_size =	256,
1115 	.probe =		ftdi_sio_probe,
1116 	.port_probe =		ftdi_sio_port_probe,
1117 	.port_remove =		ftdi_sio_port_remove,
1118 	.open =			ftdi_open,
1119 	.dtr_rts =		ftdi_dtr_rts,
1120 	.throttle =		usb_serial_generic_throttle,
1121 	.unthrottle =		usb_serial_generic_unthrottle,
1122 	.process_read_urb =	ftdi_process_read_urb,
1123 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
1124 	.tiocmget =		ftdi_tiocmget,
1125 	.tiocmset =		ftdi_tiocmset,
1126 	.tiocmiwait =		usb_serial_generic_tiocmiwait,
1127 	.get_icount =           usb_serial_generic_get_icount,
1128 	.ioctl =		ftdi_ioctl,
1129 	.get_serial =		get_serial_info,
1130 	.set_serial =		set_serial_info,
1131 	.set_termios =		ftdi_set_termios,
1132 	.break_ctl =		ftdi_break_ctl,
1133 	.tx_empty =		ftdi_tx_empty,
1134 };
1135 
1136 static struct usb_serial_driver * const serial_drivers[] = {
1137 	&ftdi_sio_device, NULL
1138 };
1139 
1140 
1141 #define WDR_TIMEOUT 5000 /* default urb timeout */
1142 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1143 
1144 /*
1145  * ***************************************************************************
1146  * Utility functions
1147  * ***************************************************************************
1148  */
1149 
1150 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1151 {
1152 	unsigned short int divisor;
1153 	/* divisor shifted 3 bits to the left */
1154 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1155 	if ((divisor3 & 0x7) == 7)
1156 		divisor3++; /* round x.7/8 up to x+1 */
1157 	divisor = divisor3 >> 3;
1158 	divisor3 &= 0x7;
1159 	if (divisor3 == 1)
1160 		divisor |= 0xc000;	/* +0.125 */
1161 	else if (divisor3 >= 4)
1162 		divisor |= 0x4000;	/* +0.5 */
1163 	else if (divisor3 != 0)
1164 		divisor |= 0x8000;	/* +0.25 */
1165 	else if (divisor == 1)
1166 		divisor = 0;		/* special case for maximum baud rate */
1167 	return divisor;
1168 }
1169 
1170 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1171 {
1172 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1173 }
1174 
1175 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1176 {
1177 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1178 	u32 divisor;
1179 	/* divisor shifted 3 bits to the left */
1180 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1181 	divisor = divisor3 >> 3;
1182 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1183 	/* Deal with special cases for highest baud rates. */
1184 	if (divisor == 1)		/* 1.0 */
1185 		divisor = 0;
1186 	else if (divisor == 0x4001)	/* 1.5 */
1187 		divisor = 1;
1188 	return divisor;
1189 }
1190 
1191 static u32 ftdi_232bm_baud_to_divisor(int baud)
1192 {
1193 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1194 }
1195 
1196 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1197 {
1198 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1199 	u32 divisor;
1200 	int divisor3;
1201 
1202 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1203 	divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1204 
1205 	divisor = divisor3 >> 3;
1206 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1207 	/* Deal with special cases for highest baud rates. */
1208 	if (divisor == 1)		/* 1.0 */
1209 		divisor = 0;
1210 	else if (divisor == 0x4001)	/* 1.5 */
1211 		divisor = 1;
1212 	/*
1213 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1214 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1215 	 * baud with this bit set
1216 	 */
1217 	divisor |= 0x00020000;
1218 	return divisor;
1219 }
1220 
1221 static u32 ftdi_2232h_baud_to_divisor(int baud)
1222 {
1223 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1224 }
1225 
1226 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1227 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1228 
1229 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1230 							unsigned int clear)
1231 {
1232 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1233 	struct device *dev = &port->dev;
1234 	unsigned value;
1235 	int rv;
1236 
1237 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1238 		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1239 		return 0;	/* no change */
1240 	}
1241 
1242 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1243 	value = 0;
1244 	if (clear & TIOCM_DTR)
1245 		value |= FTDI_SIO_SET_DTR_LOW;
1246 	if (clear & TIOCM_RTS)
1247 		value |= FTDI_SIO_SET_RTS_LOW;
1248 	if (set & TIOCM_DTR)
1249 		value |= FTDI_SIO_SET_DTR_HIGH;
1250 	if (set & TIOCM_RTS)
1251 		value |= FTDI_SIO_SET_RTS_HIGH;
1252 	rv = usb_control_msg(port->serial->dev,
1253 			       usb_sndctrlpipe(port->serial->dev, 0),
1254 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1255 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1256 			       value, priv->interface,
1257 			       NULL, 0, WDR_TIMEOUT);
1258 	if (rv < 0) {
1259 		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1260 			__func__,
1261 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1262 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1263 		rv = usb_translate_errors(rv);
1264 	} else {
1265 		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1266 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1267 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1268 		/* FIXME: locking on last_dtr_rts */
1269 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1270 	}
1271 	return rv;
1272 }
1273 
1274 
1275 static u32 get_ftdi_divisor(struct tty_struct *tty,
1276 						struct usb_serial_port *port)
1277 {
1278 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1279 	struct device *dev = &port->dev;
1280 	u32 div_value = 0;
1281 	int div_okay = 1;
1282 	int baud;
1283 
1284 	baud = tty_get_baud_rate(tty);
1285 	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1286 
1287 	/*
1288 	 * Observe deprecated async-compatible custom_divisor hack, update
1289 	 * baudrate if needed.
1290 	 */
1291 	if (baud == 38400 &&
1292 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1293 	     (priv->custom_divisor)) {
1294 		baud = priv->baud_base / priv->custom_divisor;
1295 		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1296 			__func__, priv->custom_divisor, baud);
1297 	}
1298 
1299 	if (!baud)
1300 		baud = 9600;
1301 	switch (priv->chip_type) {
1302 	case SIO: /* SIO chip */
1303 		switch (baud) {
1304 		case 300: div_value = ftdi_sio_b300; break;
1305 		case 600: div_value = ftdi_sio_b600; break;
1306 		case 1200: div_value = ftdi_sio_b1200; break;
1307 		case 2400: div_value = ftdi_sio_b2400; break;
1308 		case 4800: div_value = ftdi_sio_b4800; break;
1309 		case 9600: div_value = ftdi_sio_b9600; break;
1310 		case 19200: div_value = ftdi_sio_b19200; break;
1311 		case 38400: div_value = ftdi_sio_b38400; break;
1312 		case 57600: div_value = ftdi_sio_b57600;  break;
1313 		case 115200: div_value = ftdi_sio_b115200; break;
1314 		} /* baud */
1315 		if (div_value == 0) {
1316 			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1317 				__func__,  baud);
1318 			div_value = ftdi_sio_b9600;
1319 			baud = 9600;
1320 			div_okay = 0;
1321 		}
1322 		break;
1323 	case FT8U232AM: /* 8U232AM chip */
1324 		if (baud <= 3000000) {
1325 			div_value = ftdi_232am_baud_to_divisor(baud);
1326 		} else {
1327 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1328 			baud = 9600;
1329 			div_value = ftdi_232am_baud_to_divisor(9600);
1330 			div_okay = 0;
1331 		}
1332 		break;
1333 	case FT232BM: /* FT232BM chip */
1334 	case FT2232C: /* FT2232C chip */
1335 	case FT232RL: /* FT232RL chip */
1336 	case FTX:     /* FT-X series */
1337 		if (baud <= 3000000) {
1338 			u16 product_id = le16_to_cpu(
1339 				port->serial->dev->descriptor.idProduct);
1340 			if (((product_id == FTDI_NDI_HUC_PID)		||
1341 			     (product_id == FTDI_NDI_SPECTRA_SCU_PID)	||
1342 			     (product_id == FTDI_NDI_FUTURE_2_PID)	||
1343 			     (product_id == FTDI_NDI_FUTURE_3_PID)	||
1344 			     (product_id == FTDI_NDI_AURORA_SCU_PID))	&&
1345 			    (baud == 19200)) {
1346 				baud = 1200000;
1347 			}
1348 			div_value = ftdi_232bm_baud_to_divisor(baud);
1349 		} else {
1350 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1351 			div_value = ftdi_232bm_baud_to_divisor(9600);
1352 			div_okay = 0;
1353 			baud = 9600;
1354 		}
1355 		break;
1356 	case FT2232H: /* FT2232H chip */
1357 	case FT4232H: /* FT4232H chip */
1358 	case FT232H:  /* FT232H chip */
1359 		if ((baud <= 12000000) && (baud >= 1200)) {
1360 			div_value = ftdi_2232h_baud_to_divisor(baud);
1361 		} else if (baud < 1200) {
1362 			div_value = ftdi_232bm_baud_to_divisor(baud);
1363 		} else {
1364 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1365 			div_value = ftdi_232bm_baud_to_divisor(9600);
1366 			div_okay = 0;
1367 			baud = 9600;
1368 		}
1369 		break;
1370 	} /* priv->chip_type */
1371 
1372 	if (div_okay) {
1373 		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1374 			__func__, baud, (unsigned long)div_value,
1375 			ftdi_chip_name[priv->chip_type]);
1376 	}
1377 
1378 	tty_encode_baud_rate(tty, baud, baud);
1379 	return div_value;
1380 }
1381 
1382 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1383 {
1384 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1385 	u16 value;
1386 	u16 index;
1387 	u32 index_value;
1388 	int rv;
1389 
1390 	index_value = get_ftdi_divisor(tty, port);
1391 	value = (u16)index_value;
1392 	index = (u16)(index_value >> 16);
1393 	if (priv->chip_type == FT2232C || priv->chip_type == FT2232H ||
1394 			priv->chip_type == FT4232H || priv->chip_type == FT232H ||
1395 			priv->chip_type == FTX) {
1396 		/* Probably the BM type needs the MSB of the encoded fractional
1397 		 * divider also moved like for the chips above. Any infos? */
1398 		index = (u16)((index << 8) | priv->interface);
1399 	}
1400 
1401 	rv = usb_control_msg(port->serial->dev,
1402 			    usb_sndctrlpipe(port->serial->dev, 0),
1403 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1404 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1405 			    value, index,
1406 			    NULL, 0, WDR_SHORT_TIMEOUT);
1407 	return rv;
1408 }
1409 
1410 static int write_latency_timer(struct usb_serial_port *port)
1411 {
1412 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1413 	struct usb_device *udev = port->serial->dev;
1414 	int rv;
1415 	int l = priv->latency;
1416 
1417 	if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1418 		return -EINVAL;
1419 
1420 	if (priv->flags & ASYNC_LOW_LATENCY)
1421 		l = 1;
1422 
1423 	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1424 
1425 	rv = usb_control_msg(udev,
1426 			     usb_sndctrlpipe(udev, 0),
1427 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1428 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1429 			     l, priv->interface,
1430 			     NULL, 0, WDR_TIMEOUT);
1431 	if (rv < 0)
1432 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1433 	return rv;
1434 }
1435 
1436 static int _read_latency_timer(struct usb_serial_port *port)
1437 {
1438 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1439 	struct usb_device *udev = port->serial->dev;
1440 	unsigned char *buf;
1441 	int rv;
1442 
1443 	buf = kmalloc(1, GFP_KERNEL);
1444 	if (!buf)
1445 		return -ENOMEM;
1446 
1447 	rv = usb_control_msg(udev,
1448 			     usb_rcvctrlpipe(udev, 0),
1449 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1450 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1451 			     0, priv->interface,
1452 			     buf, 1, WDR_TIMEOUT);
1453 	if (rv < 1) {
1454 		if (rv >= 0)
1455 			rv = -EIO;
1456 	} else {
1457 		rv = buf[0];
1458 	}
1459 
1460 	kfree(buf);
1461 
1462 	return rv;
1463 }
1464 
1465 static int read_latency_timer(struct usb_serial_port *port)
1466 {
1467 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1468 	int rv;
1469 
1470 	if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1471 		return -EINVAL;
1472 
1473 	rv = _read_latency_timer(port);
1474 	if (rv < 0) {
1475 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1476 		return rv;
1477 	}
1478 
1479 	priv->latency = rv;
1480 
1481 	return 0;
1482 }
1483 
1484 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1485 {
1486 	struct usb_serial_port *port = tty->driver_data;
1487 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1488 
1489 	ss->flags = priv->flags;
1490 	ss->baud_base = priv->baud_base;
1491 	ss->custom_divisor = priv->custom_divisor;
1492 }
1493 
1494 static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1495 {
1496 	struct usb_serial_port *port = tty->driver_data;
1497 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1498 	int old_flags, old_divisor;
1499 
1500 	mutex_lock(&priv->cfg_lock);
1501 
1502 	if (!capable(CAP_SYS_ADMIN)) {
1503 		if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1504 			mutex_unlock(&priv->cfg_lock);
1505 			return -EPERM;
1506 		}
1507 	}
1508 
1509 	old_flags = priv->flags;
1510 	old_divisor = priv->custom_divisor;
1511 
1512 	priv->flags = ss->flags & ASYNC_FLAGS;
1513 	priv->custom_divisor = ss->custom_divisor;
1514 
1515 	write_latency_timer(port);
1516 
1517 	if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK ||
1518 			((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1519 			 priv->custom_divisor != old_divisor)) {
1520 
1521 		/* warn about deprecation unless clearing */
1522 		if (priv->flags & ASYNC_SPD_MASK)
1523 			dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1524 
1525 		change_speed(tty, port);
1526 	}
1527 	mutex_unlock(&priv->cfg_lock);
1528 	return 0;
1529 }
1530 
1531 static int get_lsr_info(struct usb_serial_port *port,
1532 			unsigned int __user *retinfo)
1533 {
1534 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1535 	unsigned int result = 0;
1536 
1537 	if (priv->transmit_empty)
1538 		result = TIOCSER_TEMT;
1539 
1540 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1541 		return -EFAULT;
1542 	return 0;
1543 }
1544 
1545 
1546 /* Determine type of FTDI chip based on USB config and descriptor. */
1547 static void ftdi_determine_type(struct usb_serial_port *port)
1548 {
1549 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1550 	struct usb_serial *serial = port->serial;
1551 	struct usb_device *udev = serial->dev;
1552 	unsigned version;
1553 	unsigned interfaces;
1554 
1555 	/* Assume it is not the original SIO device for now. */
1556 	priv->baud_base = 48000000 / 2;
1557 
1558 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1559 	interfaces = udev->actconfig->desc.bNumInterfaces;
1560 	dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1561 		version, interfaces);
1562 	if (interfaces > 1) {
1563 		struct usb_interface *intf = serial->interface;
1564 		int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
1565 
1566 		/* Multiple interfaces.*/
1567 		if (version == 0x0800) {
1568 			priv->chip_type = FT4232H;
1569 			/* Hi-speed - baud clock runs at 120MHz */
1570 			priv->baud_base = 120000000 / 2;
1571 		} else if (version == 0x0700) {
1572 			priv->chip_type = FT2232H;
1573 			/* Hi-speed - baud clock runs at 120MHz */
1574 			priv->baud_base = 120000000 / 2;
1575 		} else
1576 			priv->chip_type = FT2232C;
1577 
1578 		/* Determine interface code. */
1579 		if (ifnum == 0)
1580 			priv->interface = INTERFACE_A;
1581 		else if (ifnum == 1)
1582 			priv->interface = INTERFACE_B;
1583 		else if (ifnum == 2)
1584 			priv->interface = INTERFACE_C;
1585 		else if (ifnum == 3)
1586 			priv->interface = INTERFACE_D;
1587 
1588 		/* BM-type devices have a bug where bcdDevice gets set
1589 		 * to 0x200 when iSerialNumber is 0.  */
1590 		if (version < 0x500) {
1591 			dev_dbg(&port->dev,
1592 				"%s: something fishy - bcdDevice too low for multi-interface device\n",
1593 				__func__);
1594 		}
1595 	} else if (version < 0x200) {
1596 		/* Old device.  Assume it's the original SIO. */
1597 		priv->chip_type = SIO;
1598 		priv->baud_base = 12000000 / 16;
1599 	} else if (version < 0x400) {
1600 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1601 		priv->chip_type = FT8U232AM;
1602 		/*
1603 		 * It might be a BM type because of the iSerialNumber bug.
1604 		 * If iSerialNumber==0 and the latency timer is readable,
1605 		 * assume it is BM type.
1606 		 */
1607 		if (udev->descriptor.iSerialNumber == 0 &&
1608 				_read_latency_timer(port) >= 0) {
1609 			dev_dbg(&port->dev,
1610 				"%s: has latency timer so not an AM type\n",
1611 				__func__);
1612 			priv->chip_type = FT232BM;
1613 		}
1614 	} else if (version < 0x600) {
1615 		/* Assume it's an FT232BM (or FT245BM) */
1616 		priv->chip_type = FT232BM;
1617 	} else if (version < 0x900) {
1618 		/* Assume it's an FT232RL */
1619 		priv->chip_type = FT232RL;
1620 	} else if (version < 0x1000) {
1621 		/* Assume it's an FT232H */
1622 		priv->chip_type = FT232H;
1623 	} else {
1624 		/* Assume it's an FT-X series device */
1625 		priv->chip_type = FTX;
1626 	}
1627 
1628 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1629 }
1630 
1631 
1632 /*
1633  * Determine the maximum packet size for the device. This depends on the chip
1634  * type and the USB host capabilities. The value should be obtained from the
1635  * device descriptor as the chip will use the appropriate values for the host.
1636  */
1637 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1638 {
1639 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1640 	struct usb_interface *interface = port->serial->interface;
1641 	struct usb_endpoint_descriptor *ep_desc;
1642 	unsigned num_endpoints;
1643 	unsigned i;
1644 
1645 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1646 	if (!num_endpoints)
1647 		return;
1648 
1649 	/*
1650 	 * NOTE: Some customers have programmed FT232R/FT245R devices
1651 	 * with an endpoint size of 0 - not good. In this case, we
1652 	 * want to override the endpoint descriptor setting and use a
1653 	 * value of 64 for wMaxPacketSize.
1654 	 */
1655 	for (i = 0; i < num_endpoints; i++) {
1656 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1657 		if (!ep_desc->wMaxPacketSize) {
1658 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1659 			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1660 					usb_endpoint_num(ep_desc));
1661 		}
1662 	}
1663 
1664 	/* Set max packet size based on last descriptor. */
1665 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1666 }
1667 
1668 
1669 /*
1670  * ***************************************************************************
1671  * Sysfs Attribute
1672  * ***************************************************************************
1673  */
1674 
1675 static ssize_t latency_timer_show(struct device *dev,
1676 				  struct device_attribute *attr, char *buf)
1677 {
1678 	struct usb_serial_port *port = to_usb_serial_port(dev);
1679 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1680 	if (priv->flags & ASYNC_LOW_LATENCY)
1681 		return sprintf(buf, "1\n");
1682 	else
1683 		return sprintf(buf, "%i\n", priv->latency);
1684 }
1685 
1686 /* Write a new value of the latency timer, in units of milliseconds. */
1687 static ssize_t latency_timer_store(struct device *dev,
1688 				   struct device_attribute *attr,
1689 				   const char *valbuf, size_t count)
1690 {
1691 	struct usb_serial_port *port = to_usb_serial_port(dev);
1692 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1693 	u8 v;
1694 	int rv;
1695 
1696 	if (kstrtou8(valbuf, 10, &v))
1697 		return -EINVAL;
1698 
1699 	priv->latency = v;
1700 	rv = write_latency_timer(port);
1701 	if (rv < 0)
1702 		return -EIO;
1703 	return count;
1704 }
1705 static DEVICE_ATTR_RW(latency_timer);
1706 
1707 /* Write an event character directly to the FTDI register.  The ASCII
1708    value is in the low 8 bits, with the enable bit in the 9th bit. */
1709 static ssize_t event_char_store(struct device *dev,
1710 	struct device_attribute *attr, const char *valbuf, size_t count)
1711 {
1712 	struct usb_serial_port *port = to_usb_serial_port(dev);
1713 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1714 	struct usb_device *udev = port->serial->dev;
1715 	unsigned int v;
1716 	int rv;
1717 
1718 	if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1719 		return -EINVAL;
1720 
1721 	dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1722 
1723 	rv = usb_control_msg(udev,
1724 			     usb_sndctrlpipe(udev, 0),
1725 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1726 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1727 			     v, priv->interface,
1728 			     NULL, 0, WDR_TIMEOUT);
1729 	if (rv < 0) {
1730 		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1731 		return -EIO;
1732 	}
1733 
1734 	return count;
1735 }
1736 static DEVICE_ATTR_WO(event_char);
1737 
1738 static int create_sysfs_attrs(struct usb_serial_port *port)
1739 {
1740 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1741 	int retval = 0;
1742 
1743 	/* XXX I've no idea if the original SIO supports the event_char
1744 	 * sysfs parameter, so I'm playing it safe.  */
1745 	if (priv->chip_type != SIO) {
1746 		dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1747 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1748 		if ((!retval) &&
1749 		    (priv->chip_type == FT232BM ||
1750 		     priv->chip_type == FT2232C ||
1751 		     priv->chip_type == FT232RL ||
1752 		     priv->chip_type == FT2232H ||
1753 		     priv->chip_type == FT4232H ||
1754 		     priv->chip_type == FT232H ||
1755 		     priv->chip_type == FTX)) {
1756 			retval = device_create_file(&port->dev,
1757 						    &dev_attr_latency_timer);
1758 		}
1759 	}
1760 	return retval;
1761 }
1762 
1763 static void remove_sysfs_attrs(struct usb_serial_port *port)
1764 {
1765 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1766 
1767 	/* XXX see create_sysfs_attrs */
1768 	if (priv->chip_type != SIO) {
1769 		device_remove_file(&port->dev, &dev_attr_event_char);
1770 		if (priv->chip_type == FT232BM ||
1771 		    priv->chip_type == FT2232C ||
1772 		    priv->chip_type == FT232RL ||
1773 		    priv->chip_type == FT2232H ||
1774 		    priv->chip_type == FT4232H ||
1775 		    priv->chip_type == FT232H ||
1776 		    priv->chip_type == FTX) {
1777 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1778 		}
1779 	}
1780 
1781 }
1782 
1783 #ifdef CONFIG_GPIOLIB
1784 
1785 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1786 {
1787 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1788 	struct usb_serial *serial = port->serial;
1789 	int result;
1790 	u16 val;
1791 
1792 	result = usb_autopm_get_interface(serial->interface);
1793 	if (result)
1794 		return result;
1795 
1796 	val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1797 	result = usb_control_msg(serial->dev,
1798 				 usb_sndctrlpipe(serial->dev, 0),
1799 				 FTDI_SIO_SET_BITMODE_REQUEST,
1800 				 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1801 				 priv->interface, NULL, 0, WDR_TIMEOUT);
1802 	if (result < 0) {
1803 		dev_err(&serial->interface->dev,
1804 			"bitmode request failed for value 0x%04x: %d\n",
1805 			val, result);
1806 	}
1807 
1808 	usb_autopm_put_interface(serial->interface);
1809 
1810 	return result;
1811 }
1812 
1813 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1814 {
1815 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1816 }
1817 
1818 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1819 {
1820 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1821 
1822 	priv->gpio_output = 0;
1823 	priv->gpio_value = 0;
1824 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1825 }
1826 
1827 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1828 {
1829 	struct usb_serial_port *port = gpiochip_get_data(gc);
1830 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1831 	int result;
1832 
1833 	mutex_lock(&priv->gpio_lock);
1834 	if (!priv->gpio_used) {
1835 		/* Set default pin states, as we cannot get them from device */
1836 		priv->gpio_output = 0x00;
1837 		priv->gpio_value = 0x00;
1838 		result = ftdi_set_cbus_pins(port);
1839 		if (result) {
1840 			mutex_unlock(&priv->gpio_lock);
1841 			return result;
1842 		}
1843 
1844 		priv->gpio_used = true;
1845 	}
1846 	mutex_unlock(&priv->gpio_lock);
1847 
1848 	return 0;
1849 }
1850 
1851 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1852 {
1853 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1854 	struct usb_serial *serial = port->serial;
1855 	unsigned char *buf;
1856 	int result;
1857 
1858 	result = usb_autopm_get_interface(serial->interface);
1859 	if (result)
1860 		return result;
1861 
1862 	buf = kmalloc(1, GFP_KERNEL);
1863 	if (!buf) {
1864 		usb_autopm_put_interface(serial->interface);
1865 		return -ENOMEM;
1866 	}
1867 
1868 	result = usb_control_msg(serial->dev,
1869 				 usb_rcvctrlpipe(serial->dev, 0),
1870 				 FTDI_SIO_READ_PINS_REQUEST,
1871 				 FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1872 				 priv->interface, buf, 1, WDR_TIMEOUT);
1873 	if (result < 1) {
1874 		if (result >= 0)
1875 			result = -EIO;
1876 	} else {
1877 		result = buf[0];
1878 	}
1879 
1880 	kfree(buf);
1881 	usb_autopm_put_interface(serial->interface);
1882 
1883 	return result;
1884 }
1885 
1886 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1887 {
1888 	struct usb_serial_port *port = gpiochip_get_data(gc);
1889 	int result;
1890 
1891 	result = ftdi_read_cbus_pins(port);
1892 	if (result < 0)
1893 		return result;
1894 
1895 	return !!(result & BIT(gpio));
1896 }
1897 
1898 static void ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1899 {
1900 	struct usb_serial_port *port = gpiochip_get_data(gc);
1901 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1902 
1903 	mutex_lock(&priv->gpio_lock);
1904 
1905 	if (value)
1906 		priv->gpio_value |= BIT(gpio);
1907 	else
1908 		priv->gpio_value &= ~BIT(gpio);
1909 
1910 	ftdi_set_cbus_pins(port);
1911 
1912 	mutex_unlock(&priv->gpio_lock);
1913 }
1914 
1915 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1916 					unsigned long *bits)
1917 {
1918 	struct usb_serial_port *port = gpiochip_get_data(gc);
1919 	int result;
1920 
1921 	result = ftdi_read_cbus_pins(port);
1922 	if (result < 0)
1923 		return result;
1924 
1925 	*bits = result & *mask;
1926 
1927 	return 0;
1928 }
1929 
1930 static void ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1931 					unsigned long *bits)
1932 {
1933 	struct usb_serial_port *port = gpiochip_get_data(gc);
1934 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1935 
1936 	mutex_lock(&priv->gpio_lock);
1937 
1938 	priv->gpio_value &= ~(*mask);
1939 	priv->gpio_value |= *bits & *mask;
1940 	ftdi_set_cbus_pins(port);
1941 
1942 	mutex_unlock(&priv->gpio_lock);
1943 }
1944 
1945 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1946 {
1947 	struct usb_serial_port *port = gpiochip_get_data(gc);
1948 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1949 
1950 	return !(priv->gpio_output & BIT(gpio));
1951 }
1952 
1953 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1954 {
1955 	struct usb_serial_port *port = gpiochip_get_data(gc);
1956 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1957 	int result;
1958 
1959 	mutex_lock(&priv->gpio_lock);
1960 
1961 	priv->gpio_output &= ~BIT(gpio);
1962 	result = ftdi_set_cbus_pins(port);
1963 
1964 	mutex_unlock(&priv->gpio_lock);
1965 
1966 	return result;
1967 }
1968 
1969 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1970 					int value)
1971 {
1972 	struct usb_serial_port *port = gpiochip_get_data(gc);
1973 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1974 	int result;
1975 
1976 	mutex_lock(&priv->gpio_lock);
1977 
1978 	priv->gpio_output |= BIT(gpio);
1979 	if (value)
1980 		priv->gpio_value |= BIT(gpio);
1981 	else
1982 		priv->gpio_value &= ~BIT(gpio);
1983 
1984 	result = ftdi_set_cbus_pins(port);
1985 
1986 	mutex_unlock(&priv->gpio_lock);
1987 
1988 	return result;
1989 }
1990 
1991 static int ftdi_gpio_init_valid_mask(struct gpio_chip *gc,
1992 				     unsigned long *valid_mask,
1993 				     unsigned int ngpios)
1994 {
1995 	struct usb_serial_port *port = gpiochip_get_data(gc);
1996 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1997 	unsigned long map = priv->gpio_altfunc;
1998 
1999 	bitmap_complement(valid_mask, &map, ngpios);
2000 
2001 	if (bitmap_empty(valid_mask, ngpios))
2002 		dev_dbg(&port->dev, "no CBUS pin configured for GPIO\n");
2003 	else
2004 		dev_dbg(&port->dev, "CBUS%*pbl configured for GPIO\n", ngpios,
2005 			valid_mask);
2006 
2007 	return 0;
2008 }
2009 
2010 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
2011 				u16 nbytes)
2012 {
2013 	int read = 0;
2014 
2015 	if (addr % 2 != 0)
2016 		return -EINVAL;
2017 	if (nbytes % 2 != 0)
2018 		return -EINVAL;
2019 
2020 	/* Read EEPROM two bytes at a time */
2021 	while (read < nbytes) {
2022 		int rv;
2023 
2024 		rv = usb_control_msg(serial->dev,
2025 				     usb_rcvctrlpipe(serial->dev, 0),
2026 				     FTDI_SIO_READ_EEPROM_REQUEST,
2027 				     FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
2028 				     0, (addr + read) / 2, dst + read, 2,
2029 				     WDR_TIMEOUT);
2030 		if (rv < 2) {
2031 			if (rv >= 0)
2032 				return -EIO;
2033 			else
2034 				return rv;
2035 		}
2036 
2037 		read += rv;
2038 	}
2039 
2040 	return 0;
2041 }
2042 
2043 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
2044 {
2045 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2046 	u16 cbus_config;
2047 	u8 *buf;
2048 	int ret;
2049 	int i;
2050 
2051 	buf = kmalloc(4, GFP_KERNEL);
2052 	if (!buf)
2053 		return -ENOMEM;
2054 
2055 	ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
2056 	if (ret < 0)
2057 		goto out_free;
2058 
2059 	/*
2060 	 * FT232H CBUS Memory Map
2061 	 *
2062 	 * 0x1a: X- (upper nibble -> AC5)
2063 	 * 0x1b: -X (lower nibble -> AC6)
2064 	 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2065 	 */
2066 	cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2067 
2068 	priv->gc.ngpio = 4;
2069 	priv->gpio_altfunc = 0xff;
2070 
2071 	for (i = 0; i < priv->gc.ngpio; ++i) {
2072 		if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2073 			priv->gpio_altfunc &= ~BIT(i);
2074 		cbus_config >>= 4;
2075 	}
2076 
2077 out_free:
2078 	kfree(buf);
2079 
2080 	return ret;
2081 }
2082 
2083 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2084 {
2085 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2086 	u16 cbus_config;
2087 	u8 *buf;
2088 	int ret;
2089 	int i;
2090 
2091 	buf = kmalloc(2, GFP_KERNEL);
2092 	if (!buf)
2093 		return -ENOMEM;
2094 
2095 	ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2096 	if (ret < 0)
2097 		goto out_free;
2098 
2099 	cbus_config = le16_to_cpup((__le16 *)buf);
2100 	dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2101 
2102 	priv->gc.ngpio = 4;
2103 
2104 	priv->gpio_altfunc = 0xff;
2105 	for (i = 0; i < priv->gc.ngpio; ++i) {
2106 		if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2107 			priv->gpio_altfunc &= ~BIT(i);
2108 		cbus_config >>= 4;
2109 	}
2110 out_free:
2111 	kfree(buf);
2112 
2113 	return ret;
2114 }
2115 
2116 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2117 {
2118 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2119 	struct usb_serial *serial = port->serial;
2120 	const u16 cbus_cfg_addr = 0x1a;
2121 	const u16 cbus_cfg_size = 4;
2122 	u8 *cbus_cfg_buf;
2123 	int result;
2124 	u8 i;
2125 
2126 	cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2127 	if (!cbus_cfg_buf)
2128 		return -ENOMEM;
2129 
2130 	result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2131 				  cbus_cfg_addr, cbus_cfg_size);
2132 	if (result < 0)
2133 		goto out_free;
2134 
2135 	/* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2136 	priv->gc.ngpio = 4;
2137 
2138 	/* Determine which pins are configured for CBUS bitbanging */
2139 	priv->gpio_altfunc = 0xff;
2140 	for (i = 0; i < priv->gc.ngpio; ++i) {
2141 		if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2142 			priv->gpio_altfunc &= ~BIT(i);
2143 	}
2144 
2145 out_free:
2146 	kfree(cbus_cfg_buf);
2147 
2148 	return result;
2149 }
2150 
2151 static int ftdi_gpio_init(struct usb_serial_port *port)
2152 {
2153 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2154 	struct usb_serial *serial = port->serial;
2155 	int result;
2156 
2157 	switch (priv->chip_type) {
2158 	case FT232H:
2159 		result = ftdi_gpio_init_ft232h(port);
2160 		break;
2161 	case FT232RL:
2162 		result = ftdi_gpio_init_ft232r(port);
2163 		break;
2164 	case FTX:
2165 		result = ftdi_gpio_init_ftx(port);
2166 		break;
2167 	default:
2168 		return 0;
2169 	}
2170 
2171 	if (result < 0)
2172 		return result;
2173 
2174 	mutex_init(&priv->gpio_lock);
2175 
2176 	priv->gc.label = "ftdi-cbus";
2177 	priv->gc.request = ftdi_gpio_request;
2178 	priv->gc.get_direction = ftdi_gpio_direction_get;
2179 	priv->gc.direction_input = ftdi_gpio_direction_input;
2180 	priv->gc.direction_output = ftdi_gpio_direction_output;
2181 	priv->gc.init_valid_mask = ftdi_gpio_init_valid_mask;
2182 	priv->gc.get = ftdi_gpio_get;
2183 	priv->gc.set = ftdi_gpio_set;
2184 	priv->gc.get_multiple = ftdi_gpio_get_multiple;
2185 	priv->gc.set_multiple = ftdi_gpio_set_multiple;
2186 	priv->gc.owner = THIS_MODULE;
2187 	priv->gc.parent = &serial->interface->dev;
2188 	priv->gc.base = -1;
2189 	priv->gc.can_sleep = true;
2190 
2191 	result = gpiochip_add_data(&priv->gc, port);
2192 	if (!result)
2193 		priv->gpio_registered = true;
2194 
2195 	return result;
2196 }
2197 
2198 static void ftdi_gpio_remove(struct usb_serial_port *port)
2199 {
2200 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2201 
2202 	if (priv->gpio_registered) {
2203 		gpiochip_remove(&priv->gc);
2204 		priv->gpio_registered = false;
2205 	}
2206 
2207 	if (priv->gpio_used) {
2208 		/* Exiting CBUS-mode does not reset pin states. */
2209 		ftdi_exit_cbus_mode(port);
2210 		priv->gpio_used = false;
2211 	}
2212 }
2213 
2214 #else
2215 
2216 static int ftdi_gpio_init(struct usb_serial_port *port)
2217 {
2218 	return 0;
2219 }
2220 
2221 static void ftdi_gpio_remove(struct usb_serial_port *port) { }
2222 
2223 #endif	/* CONFIG_GPIOLIB */
2224 
2225 /*
2226  * ***************************************************************************
2227  * FTDI driver specific functions
2228  * ***************************************************************************
2229  */
2230 
2231 /* Probe function to check for special devices */
2232 static int ftdi_sio_probe(struct usb_serial *serial,
2233 					const struct usb_device_id *id)
2234 {
2235 	const struct ftdi_sio_quirk *quirk =
2236 				(struct ftdi_sio_quirk *)id->driver_info;
2237 
2238 	if (quirk && quirk->probe) {
2239 		int ret = quirk->probe(serial);
2240 		if (ret != 0)
2241 			return ret;
2242 	}
2243 
2244 	usb_set_serial_data(serial, (void *)id->driver_info);
2245 
2246 	return 0;
2247 }
2248 
2249 static int ftdi_sio_port_probe(struct usb_serial_port *port)
2250 {
2251 	struct ftdi_private *priv;
2252 	const struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
2253 	int result;
2254 
2255 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
2256 	if (!priv)
2257 		return -ENOMEM;
2258 
2259 	mutex_init(&priv->cfg_lock);
2260 
2261 	if (quirk && quirk->port_probe)
2262 		quirk->port_probe(priv);
2263 
2264 	usb_set_serial_port_data(port, priv);
2265 
2266 	ftdi_determine_type(port);
2267 	ftdi_set_max_packet_size(port);
2268 	if (read_latency_timer(port) < 0)
2269 		priv->latency = 16;
2270 	write_latency_timer(port);
2271 	create_sysfs_attrs(port);
2272 
2273 	result = ftdi_gpio_init(port);
2274 	if (result < 0) {
2275 		dev_err(&port->serial->interface->dev,
2276 			"GPIO initialisation failed: %d\n",
2277 			result);
2278 	}
2279 
2280 	return 0;
2281 }
2282 
2283 /* Setup for the USB-UIRT device, which requires hardwired
2284  * baudrate (38400 gets mapped to 312500) */
2285 /* Called from usbserial:serial_probe */
2286 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
2287 {
2288 	priv->flags |= ASYNC_SPD_CUST;
2289 	priv->custom_divisor = 77;
2290 	priv->force_baud = 38400;
2291 }
2292 
2293 /* Setup for the HE-TIRA1 device, which requires hardwired
2294  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
2295 
2296 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
2297 {
2298 	priv->flags |= ASYNC_SPD_CUST;
2299 	priv->custom_divisor = 240;
2300 	priv->force_baud = 38400;
2301 	priv->force_rtscts = 1;
2302 }
2303 
2304 /*
2305  * Module parameter to control latency timer for NDI FTDI-based USB devices.
2306  * If this value is not set in /etc/modprobe.d/ its value will be set
2307  * to 1ms.
2308  */
2309 static int ndi_latency_timer = 1;
2310 
2311 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
2312  * baudrate (19200 gets mapped to 1200000).
2313  *
2314  * Called from usbserial:serial_probe.
2315  */
2316 static int ftdi_NDI_device_setup(struct usb_serial *serial)
2317 {
2318 	struct usb_device *udev = serial->dev;
2319 	int latency = ndi_latency_timer;
2320 
2321 	if (latency == 0)
2322 		latency = 1;
2323 	if (latency > 99)
2324 		latency = 99;
2325 
2326 	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
2327 	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
2328 
2329 	/* FIXME: errors are not returned */
2330 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
2331 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
2332 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
2333 				latency, 0, NULL, 0, WDR_TIMEOUT);
2334 	return 0;
2335 }
2336 
2337 /*
2338  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
2339  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
2340  * userspace using openocd.
2341  */
2342 static int ftdi_jtag_probe(struct usb_serial *serial)
2343 {
2344 	struct usb_interface *intf = serial->interface;
2345 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2346 
2347 	if (ifnum == 0) {
2348 		dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2349 		return -ENODEV;
2350 	}
2351 
2352 	return 0;
2353 }
2354 
2355 static int ftdi_8u2232c_probe(struct usb_serial *serial)
2356 {
2357 	struct usb_device *udev = serial->dev;
2358 
2359 	if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
2360 		return ftdi_jtag_probe(serial);
2361 
2362 	if (udev->product &&
2363 		(!strcmp(udev->product, "Arrow USB Blaster") ||
2364 		 !strcmp(udev->product, "BeagleBone/XDS100V2") ||
2365 		 !strcmp(udev->product, "SNAP Connect E10")))
2366 		return ftdi_jtag_probe(serial);
2367 
2368 	return 0;
2369 }
2370 
2371 /*
2372  * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
2373  * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
2374  * can be accessed from userspace.
2375  * The next two ports are enabled as UARTs by default, where port 2 is
2376  * a conventional RS-232 UART.
2377  */
2378 static int ftdi_stmclite_probe(struct usb_serial *serial)
2379 {
2380 	struct usb_interface *intf = serial->interface;
2381 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2382 
2383 	if (ifnum < 2) {
2384 		dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2385 		return -ENODEV;
2386 	}
2387 
2388 	return 0;
2389 }
2390 
2391 static void ftdi_sio_port_remove(struct usb_serial_port *port)
2392 {
2393 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2394 
2395 	ftdi_gpio_remove(port);
2396 
2397 	remove_sysfs_attrs(port);
2398 
2399 	kfree(priv);
2400 }
2401 
2402 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2403 {
2404 	struct usb_device *dev = port->serial->dev;
2405 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2406 
2407 	/* No error checking for this (will get errors later anyway) */
2408 	/* See ftdi_sio.h for description of what is reset */
2409 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2410 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2411 			FTDI_SIO_RESET_SIO,
2412 			priv->interface, NULL, 0, WDR_TIMEOUT);
2413 
2414 	/* Termios defaults are set by usb_serial_init. We don't change
2415 	   port->tty->termios - this would lose speed settings, etc.
2416 	   This is same behaviour as serial.c/rs_open() - Kuba */
2417 
2418 	/* ftdi_set_termios  will send usb control messages */
2419 	if (tty)
2420 		ftdi_set_termios(tty, port, NULL);
2421 
2422 	return usb_serial_generic_open(tty, port);
2423 }
2424 
2425 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2426 {
2427 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2428 
2429 	/* Disable flow control */
2430 	if (!on) {
2431 		if (usb_control_msg(port->serial->dev,
2432 			    usb_sndctrlpipe(port->serial->dev, 0),
2433 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2434 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2435 			    0, priv->interface, NULL, 0,
2436 			    WDR_TIMEOUT) < 0) {
2437 			dev_err(&port->dev, "error from flowcontrol urb\n");
2438 		}
2439 	}
2440 	/* drop RTS and DTR */
2441 	if (on)
2442 		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2443 	else
2444 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2445 }
2446 
2447 /* The SIO requires the first byte to have:
2448  *  B0 1
2449  *  B1 0
2450  *  B2..7 length of message excluding byte 0
2451  *
2452  * The new devices do not require this byte
2453  */
2454 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2455 						void *dest, size_t size)
2456 {
2457 	struct ftdi_private *priv;
2458 	int count;
2459 	unsigned long flags;
2460 
2461 	priv = usb_get_serial_port_data(port);
2462 
2463 	if (priv->chip_type == SIO) {
2464 		unsigned char *buffer = dest;
2465 		int i, len, c;
2466 
2467 		count = 0;
2468 		spin_lock_irqsave(&port->lock, flags);
2469 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
2470 			len = min_t(int, size - i, priv->max_packet_size) - 1;
2471 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2472 			if (!c)
2473 				break;
2474 			port->icount.tx += c;
2475 			buffer[i] = (c << 2) + 1;
2476 			count += c + 1;
2477 		}
2478 		spin_unlock_irqrestore(&port->lock, flags);
2479 	} else {
2480 		count = kfifo_out_locked(&port->write_fifo, dest, size,
2481 								&port->lock);
2482 		port->icount.tx += count;
2483 	}
2484 
2485 	return count;
2486 }
2487 
2488 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2489 
2490 static int ftdi_process_packet(struct usb_serial_port *port,
2491 		struct ftdi_private *priv, unsigned char *buf, int len)
2492 {
2493 	unsigned char status;
2494 	bool brkint = false;
2495 	int i;
2496 	char flag;
2497 
2498 	if (len < 2) {
2499 		dev_dbg(&port->dev, "malformed packet\n");
2500 		return 0;
2501 	}
2502 
2503 	/* Compare new line status to the old one, signal if different/
2504 	   N.B. packet may be processed more than once, but differences
2505 	   are only processed once.  */
2506 	status = buf[0] & FTDI_STATUS_B0_MASK;
2507 	if (status != priv->prev_status) {
2508 		char diff_status = status ^ priv->prev_status;
2509 
2510 		if (diff_status & FTDI_RS0_CTS)
2511 			port->icount.cts++;
2512 		if (diff_status & FTDI_RS0_DSR)
2513 			port->icount.dsr++;
2514 		if (diff_status & FTDI_RS0_RI)
2515 			port->icount.rng++;
2516 		if (diff_status & FTDI_RS0_RLSD) {
2517 			struct tty_struct *tty;
2518 
2519 			port->icount.dcd++;
2520 			tty = tty_port_tty_get(&port->port);
2521 			if (tty)
2522 				usb_serial_handle_dcd_change(port, tty,
2523 						status & FTDI_RS0_RLSD);
2524 			tty_kref_put(tty);
2525 		}
2526 
2527 		wake_up_interruptible(&port->port.delta_msr_wait);
2528 		priv->prev_status = status;
2529 	}
2530 
2531 	/* save if the transmitter is empty or not */
2532 	if (buf[1] & FTDI_RS_TEMT)
2533 		priv->transmit_empty = 1;
2534 	else
2535 		priv->transmit_empty = 0;
2536 
2537 	if (len == 2)
2538 		return 0;	/* status only */
2539 
2540 	/*
2541 	 * Break and error status must only be processed for packets with
2542 	 * data payload to avoid over-reporting.
2543 	 */
2544 	flag = TTY_NORMAL;
2545 	if (buf[1] & FTDI_RS_ERR_MASK) {
2546 		/*
2547 		 * Break takes precedence over parity, which takes precedence
2548 		 * over framing errors. Note that break is only associated
2549 		 * with the last character in the buffer and only when it's a
2550 		 * NUL.
2551 		 */
2552 		if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') {
2553 			port->icount.brk++;
2554 			brkint = true;
2555 		}
2556 		if (buf[1] & FTDI_RS_PE) {
2557 			flag = TTY_PARITY;
2558 			port->icount.parity++;
2559 		} else if (buf[1] & FTDI_RS_FE) {
2560 			flag = TTY_FRAME;
2561 			port->icount.frame++;
2562 		}
2563 		/* Overrun is special, not associated with a char */
2564 		if (buf[1] & FTDI_RS_OE) {
2565 			port->icount.overrun++;
2566 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2567 		}
2568 	}
2569 
2570 	port->icount.rx += len - 2;
2571 
2572 	if (brkint || port->sysrq) {
2573 		for (i = 2; i < len; i++) {
2574 			if (brkint && i == len - 1) {
2575 				if (usb_serial_handle_break(port))
2576 					return len - 3;
2577 				flag = TTY_BREAK;
2578 			}
2579 			if (usb_serial_handle_sysrq_char(port, buf[i]))
2580 				continue;
2581 			tty_insert_flip_char(&port->port, buf[i], flag);
2582 		}
2583 	} else {
2584 		tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
2585 				len - 2);
2586 	}
2587 
2588 	return len - 2;
2589 }
2590 
2591 static void ftdi_process_read_urb(struct urb *urb)
2592 {
2593 	struct usb_serial_port *port = urb->context;
2594 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2595 	char *data = urb->transfer_buffer;
2596 	int i;
2597 	int len;
2598 	int count = 0;
2599 
2600 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2601 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2602 		count += ftdi_process_packet(port, priv, &data[i], len);
2603 	}
2604 
2605 	if (count)
2606 		tty_flip_buffer_push(&port->port);
2607 }
2608 
2609 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2610 {
2611 	struct usb_serial_port *port = tty->driver_data;
2612 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2613 	u16 value;
2614 
2615 	/* break_state = -1 to turn on break, and 0 to turn off break */
2616 	/* see drivers/char/tty_io.c to see it used */
2617 	/* last_set_data_value NEVER has the break bit set in it */
2618 
2619 	if (break_state)
2620 		value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2621 	else
2622 		value = priv->last_set_data_value;
2623 
2624 	if (usb_control_msg(port->serial->dev,
2625 			usb_sndctrlpipe(port->serial->dev, 0),
2626 			FTDI_SIO_SET_DATA_REQUEST,
2627 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2628 			value , priv->interface,
2629 			NULL, 0, WDR_TIMEOUT) < 0) {
2630 		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2631 			__func__, break_state);
2632 	}
2633 
2634 	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2635 		break_state, value);
2636 
2637 }
2638 
2639 static bool ftdi_tx_empty(struct usb_serial_port *port)
2640 {
2641 	unsigned char buf[2];
2642 	int ret;
2643 
2644 	ret = ftdi_get_modem_status(port, buf);
2645 	if (ret == 2) {
2646 		if (!(buf[1] & FTDI_RS_TEMT))
2647 			return false;
2648 	}
2649 
2650 	return true;
2651 }
2652 
2653 /* old_termios contains the original termios settings and tty->termios contains
2654  * the new setting to be used
2655  * WARNING: set_termios calls this with old_termios in kernel space
2656  */
2657 static void ftdi_set_termios(struct tty_struct *tty,
2658 		struct usb_serial_port *port, struct ktermios *old_termios)
2659 {
2660 	struct usb_device *dev = port->serial->dev;
2661 	struct device *ddev = &port->dev;
2662 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2663 	struct ktermios *termios = &tty->termios;
2664 	unsigned int cflag = termios->c_cflag;
2665 	u16 value, index;
2666 	int ret;
2667 
2668 	/* Force baud rate if this device requires it, unless it is set to
2669 	   B0. */
2670 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2671 		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2672 		tty_encode_baud_rate(tty, priv->force_baud,
2673 					priv->force_baud);
2674 	}
2675 
2676 	/* Force RTS-CTS if this device requires it. */
2677 	if (priv->force_rtscts) {
2678 		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2679 		termios->c_cflag |= CRTSCTS;
2680 	}
2681 
2682 	/*
2683 	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2684 	 * support CS5/6 and revert the CSIZE setting instead.
2685 	 *
2686 	 * CS5 however is used to control some smartcard readers which abuse
2687 	 * this limitation to switch modes. Original FTDI chips fall back to
2688 	 * eight data bits.
2689 	 *
2690 	 * TODO: Implement a quirk to only allow this with mentioned
2691 	 *       readers. One I know of (Argolis Smartreader V1)
2692 	 *       returns "USB smartcard server" as iInterface string.
2693 	 *       The vendor didn't bother with a custom VID/PID of
2694 	 *       course.
2695 	 */
2696 	if (C_CSIZE(tty) == CS6) {
2697 		dev_warn(ddev, "requested CSIZE setting not supported\n");
2698 
2699 		termios->c_cflag &= ~CSIZE;
2700 		if (old_termios)
2701 			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2702 		else
2703 			termios->c_cflag |= CS8;
2704 	}
2705 
2706 	cflag = termios->c_cflag;
2707 
2708 	if (!old_termios)
2709 		goto no_skip;
2710 
2711 	if (old_termios->c_cflag == termios->c_cflag
2712 	    && old_termios->c_ispeed == termios->c_ispeed
2713 	    && old_termios->c_ospeed == termios->c_ospeed)
2714 		goto no_c_cflag_changes;
2715 
2716 	/* NOTE These routines can get interrupted by
2717 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2718 	   don't see any problems yet */
2719 
2720 	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2721 	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2722 		goto no_data_parity_stop_changes;
2723 
2724 no_skip:
2725 	/* Set number of data bits, parity, stop bits */
2726 
2727 	value = 0;
2728 	value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2729 			FTDI_SIO_SET_DATA_STOP_BITS_1);
2730 	if (cflag & PARENB) {
2731 		if (cflag & CMSPAR)
2732 			value |= cflag & PARODD ?
2733 					FTDI_SIO_SET_DATA_PARITY_MARK :
2734 					FTDI_SIO_SET_DATA_PARITY_SPACE;
2735 		else
2736 			value |= cflag & PARODD ?
2737 					FTDI_SIO_SET_DATA_PARITY_ODD :
2738 					FTDI_SIO_SET_DATA_PARITY_EVEN;
2739 	} else {
2740 		value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2741 	}
2742 	switch (cflag & CSIZE) {
2743 	case CS5:
2744 		dev_dbg(ddev, "Setting CS5 quirk\n");
2745 		break;
2746 	case CS7:
2747 		value |= 7;
2748 		dev_dbg(ddev, "Setting CS7\n");
2749 		break;
2750 	default:
2751 	case CS8:
2752 		value |= 8;
2753 		dev_dbg(ddev, "Setting CS8\n");
2754 		break;
2755 	}
2756 
2757 	/* This is needed by the break command since it uses the same command
2758 	   - but is or'ed with this value  */
2759 	priv->last_set_data_value = value;
2760 
2761 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2762 			    FTDI_SIO_SET_DATA_REQUEST,
2763 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2764 			    value , priv->interface,
2765 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2766 		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2767 			__func__);
2768 	}
2769 
2770 	/* Now do the baudrate */
2771 no_data_parity_stop_changes:
2772 	if ((cflag & CBAUD) == B0) {
2773 		/* Disable flow control */
2774 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2775 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2776 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2777 				    0, priv->interface,
2778 				    NULL, 0, WDR_TIMEOUT) < 0) {
2779 			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2780 				__func__);
2781 		}
2782 		/* Drop RTS and DTR */
2783 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2784 	} else {
2785 		/* set the baudrate determined before */
2786 		mutex_lock(&priv->cfg_lock);
2787 		if (change_speed(tty, port))
2788 			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2789 		mutex_unlock(&priv->cfg_lock);
2790 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2791 		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2792 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2793 	}
2794 
2795 no_c_cflag_changes:
2796 	/* Set hardware-assisted flow control */
2797 	value = 0;
2798 
2799 	if (C_CRTSCTS(tty)) {
2800 		dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2801 		index = FTDI_SIO_RTS_CTS_HS;
2802 	} else if (I_IXON(tty)) {
2803 		dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2804 		index = FTDI_SIO_XON_XOFF_HS;
2805 		value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2806 	} else {
2807 		dev_dbg(&port->dev, "disabling flow control\n");
2808 		index = FTDI_SIO_DISABLE_FLOW_CTRL;
2809 	}
2810 
2811 	index |= priv->interface;
2812 
2813 	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2814 			FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2815 			FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2816 			value, index, NULL, 0, WDR_TIMEOUT);
2817 	if (ret < 0)
2818 		dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2819 }
2820 
2821 /*
2822  * Get modem-control status.
2823  *
2824  * Returns the number of status bytes retrieved (device dependant), or
2825  * negative error code.
2826  */
2827 static int ftdi_get_modem_status(struct usb_serial_port *port,
2828 						unsigned char status[2])
2829 {
2830 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2831 	unsigned char *buf;
2832 	int len;
2833 	int ret;
2834 
2835 	buf = kmalloc(2, GFP_KERNEL);
2836 	if (!buf)
2837 		return -ENOMEM;
2838 	/*
2839 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2840 	 * the same format as the data returned from the in point.
2841 	 */
2842 	switch (priv->chip_type) {
2843 	case SIO:
2844 		len = 1;
2845 		break;
2846 	case FT8U232AM:
2847 	case FT232BM:
2848 	case FT2232C:
2849 	case FT232RL:
2850 	case FT2232H:
2851 	case FT4232H:
2852 	case FT232H:
2853 	case FTX:
2854 		len = 2;
2855 		break;
2856 	default:
2857 		ret = -EFAULT;
2858 		goto out;
2859 	}
2860 
2861 	ret = usb_control_msg(port->serial->dev,
2862 			usb_rcvctrlpipe(port->serial->dev, 0),
2863 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2864 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2865 			0, priv->interface,
2866 			buf, len, WDR_TIMEOUT);
2867 
2868 	/* NOTE: We allow short responses and handle that below. */
2869 	if (ret < 1) {
2870 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2871 		if (ret >= 0)
2872 			ret = -EIO;
2873 		ret = usb_translate_errors(ret);
2874 		goto out;
2875 	}
2876 
2877 	status[0] = buf[0];
2878 	if (ret > 1)
2879 		status[1] = buf[1];
2880 	else
2881 		status[1] = 0;
2882 
2883 	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2884 								status[1]);
2885 out:
2886 	kfree(buf);
2887 
2888 	return ret;
2889 }
2890 
2891 static int ftdi_tiocmget(struct tty_struct *tty)
2892 {
2893 	struct usb_serial_port *port = tty->driver_data;
2894 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2895 	unsigned char buf[2];
2896 	int ret;
2897 
2898 	ret = ftdi_get_modem_status(port, buf);
2899 	if (ret < 0)
2900 		return ret;
2901 
2902 	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2903 		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2904 		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2905 		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2906 		priv->last_dtr_rts;
2907 
2908 	return ret;
2909 }
2910 
2911 static int ftdi_tiocmset(struct tty_struct *tty,
2912 			unsigned int set, unsigned int clear)
2913 {
2914 	struct usb_serial_port *port = tty->driver_data;
2915 
2916 	return update_mctrl(port, set, clear);
2917 }
2918 
2919 static int ftdi_ioctl(struct tty_struct *tty,
2920 					unsigned int cmd, unsigned long arg)
2921 {
2922 	struct usb_serial_port *port = tty->driver_data;
2923 	void __user *argp = (void __user *)arg;
2924 
2925 	switch (cmd) {
2926 	case TIOCSERGETLSR:
2927 		return get_lsr_info(port, argp);
2928 	default:
2929 		break;
2930 	}
2931 
2932 	return -ENOIOCTLCMD;
2933 }
2934 
2935 module_usb_serial_driver(serial_drivers, id_table_combined);
2936 
2937 MODULE_AUTHOR(DRIVER_AUTHOR);
2938 MODULE_DESCRIPTION(DRIVER_DESC);
2939 MODULE_LICENSE("GPL");
2940 
2941 module_param(ndi_latency_timer, int, 0644);
2942 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2943