xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision ecd25094)
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(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
485 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
486 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
487 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
488 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
489 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
490 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
491 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
492 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
493 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
494 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
495 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
496 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
497 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
498 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
499 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
500 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
501 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
502 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
503 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
504 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
505 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
506 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
507 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
508 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
509 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
510 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
511 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
512 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
513 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
514 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
515 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
526 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
527 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
528 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
529 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
530 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
531 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
532 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
533 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
534 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
535 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
536 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
537 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
539 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
540 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
541 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
542 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
543 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
544 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
545 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
546 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
547 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
548 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
549 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
550 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
551 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
552 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
553 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
554 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
555 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
556 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
557 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
558 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
559 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
560 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
561 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
562 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
563 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
564 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
565 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
566 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
567 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
568 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
569 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
570 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
571 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
572 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
573 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
574 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
575 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
576 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
577 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
581 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
582 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
583 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
584 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
609 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
610 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
611 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
612 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
619 	/*
620 	 * ELV devices:
621 	 */
622 	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
623 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
624 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
629 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
630 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
631 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
632 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
633 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
634 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
635 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
636 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
637 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
639 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
640 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
641 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
642 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
643 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
644 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
645 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
646 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
647 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
648 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
649 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
650 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
651 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
652 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
653 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
654 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) },
660 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
661 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
662 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
663 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
664 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
665 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
666 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
667 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
668 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
671 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
672 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
673 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
674 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
675 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
676 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
677 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
678 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
680 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
681 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
682 	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
683 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
684 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
685 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
686 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
687 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
688 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
689 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
690 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
691 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
692 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
693 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
694 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
695 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
696 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
697 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
698 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
699 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
700 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
701 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
702 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
704 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
705 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
706 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
707 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
708 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
709 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
710 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
711 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
712 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
713 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
714 	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
715 	{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
716 	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
717 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
718 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
719 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
720 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
721 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
723 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
724 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
725 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
726 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
727 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
728 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
729 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
730 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
731 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
732 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
733 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
734 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
735 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
736 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
737 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
738 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
739 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
740 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
741 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
742 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
743 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
744 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
745 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
746 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
747 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
748 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
749 	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
750 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
751 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
752 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
753 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
754 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
755 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
756 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
757 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
758 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
759 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
760 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
761 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
762 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
763 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
764 	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
765 	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
766 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
767 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
768 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
769 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
770 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
771 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
772 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
773 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
774 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
775 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
776 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
777 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
778 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
779 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
780 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
781 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
782 	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
783 	{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
784 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
785 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
786 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
787 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
788 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
789 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
790 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
791 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
792 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
793 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
794 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
795 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
796 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
797 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
798 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
799 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
800 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
801 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
802 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
803 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
804 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
805 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
806 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
807 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
808 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
809 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
810 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
811 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
812 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
813 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
814 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
815 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
816 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
817 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
818 	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
819 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
820 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
821 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
822 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
823 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
824 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
825 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
826 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
827 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
828 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
829 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
830 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
831 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
832 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
833 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
834 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
835 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
836 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
837 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
838 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
839 
840 	/* Papouch devices based on FTDI chip */
841 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
842 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
843 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
844 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
845 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
846 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
847 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
848 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
849 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
850 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
851 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
852 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
853 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
854 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
855 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
856 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
857 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
858 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
859 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
860 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
861 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
862 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
863 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
864 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
865 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
866 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
867 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
868 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
869 
870 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
871 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
872 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
873 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
874 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
875 	{ USB_DEVICE(DE_VID, STB_PID) },
876 	{ USB_DEVICE(DE_VID, WHT_PID) },
877 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
878 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
879 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
880 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
881 	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
882 					USB_CLASS_VENDOR_SPEC,
883 					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
884 	{ USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
885 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
886 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
887 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
888 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
889 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
890 	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
891 	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
892 	{ USB_DEVICE(PI_VID, PI_C866_PID) },
893 	{ USB_DEVICE(PI_VID, PI_C663_PID) },
894 	{ USB_DEVICE(PI_VID, PI_C725_PID) },
895 	{ USB_DEVICE(PI_VID, PI_E517_PID) },
896 	{ USB_DEVICE(PI_VID, PI_C863_PID) },
897 	{ USB_DEVICE(PI_VID, PI_E861_PID) },
898 	{ USB_DEVICE(PI_VID, PI_C867_PID) },
899 	{ USB_DEVICE(PI_VID, PI_E609_PID) },
900 	{ USB_DEVICE(PI_VID, PI_E709_PID) },
901 	{ USB_DEVICE(PI_VID, PI_100F_PID) },
902 	{ USB_DEVICE(PI_VID, PI_1011_PID) },
903 	{ USB_DEVICE(PI_VID, PI_1012_PID) },
904 	{ USB_DEVICE(PI_VID, PI_1013_PID) },
905 	{ USB_DEVICE(PI_VID, PI_1014_PID) },
906 	{ USB_DEVICE(PI_VID, PI_1015_PID) },
907 	{ USB_DEVICE(PI_VID, PI_1016_PID) },
908 	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
909 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
910 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
911 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
912 	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
913 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
914 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
915 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
916 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
917 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
918 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
919 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
920 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
921 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
922 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
923 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
924 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
925 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
926 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
927 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
928 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
929 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
930 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
931 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
932 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
933 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
934 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
935 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
936 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
937 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
938 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
939 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
940 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
941 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
942 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
943 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
944 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
945 	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
946 	{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
947 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
948 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
949 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
950 	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
951 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
952 	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
953 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
954 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
955 	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
956 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
957 	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
958 	/* Crucible Devices */
959 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
960 	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
961 	/* Cressi Devices */
962 	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
963 	/* Brainboxes Devices */
964 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
965 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
966 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
967 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
968 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
969 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
970 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
971 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
972 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
973 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
974 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
975 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
976 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
977 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
978 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
979 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
980 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
981 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
982 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
983 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
984 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
985 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
986 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
987 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
988 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
989 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
990 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
991 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
992 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
993 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
994 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
995 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
996 	/* ekey Devices */
997 	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
998 	/* Infineon Devices */
999 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
1000 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
1001 	/* GE Healthcare devices */
1002 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
1003 	/* Active Research (Actisense) devices */
1004 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
1005 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
1006 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
1007 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
1008 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
1009 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
1010 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
1011 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
1012 	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1013 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1014 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1015 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1016 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1017 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1018 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1019 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1020 	/* ICP DAS I-756xU devices */
1021 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1022 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1023 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1024 	{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
1025 	{ USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
1026 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1027 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
1028 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
1029 	{ USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
1030 	/* EZPrototypes devices */
1031 	{ USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
1032 	{ USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
1033 	{ }					/* Terminating entry */
1034 };
1035 
1036 MODULE_DEVICE_TABLE(usb, id_table_combined);
1037 
1038 static const char *ftdi_chip_name[] = {
1039 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
1040 	[FT8U232AM] = "FT8U232AM",
1041 	[FT232BM] = "FT232BM",
1042 	[FT2232C] = "FT2232C",
1043 	[FT232RL] = "FT232RL",
1044 	[FT2232H] = "FT2232H",
1045 	[FT4232H] = "FT4232H",
1046 	[FT232H]  = "FT232H",
1047 	[FTX]     = "FT-X"
1048 };
1049 
1050 
1051 /* Used for TIOCMIWAIT */
1052 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1053 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1054 /* End TIOCMIWAIT */
1055 
1056 /* function prototypes for a FTDI serial converter */
1057 static int  ftdi_sio_probe(struct usb_serial *serial,
1058 					const struct usb_device_id *id);
1059 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
1060 static int  ftdi_sio_port_remove(struct usb_serial_port *port);
1061 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
1062 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
1063 static void ftdi_process_read_urb(struct urb *urb);
1064 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1065 						void *dest, size_t size);
1066 static void ftdi_set_termios(struct tty_struct *tty,
1067 			struct usb_serial_port *port, struct ktermios *old);
1068 static int  ftdi_tiocmget(struct tty_struct *tty);
1069 static int  ftdi_tiocmset(struct tty_struct *tty,
1070 			unsigned int set, unsigned int clear);
1071 static int  ftdi_ioctl(struct tty_struct *tty,
1072 			unsigned int cmd, unsigned long arg);
1073 static int get_serial_info(struct tty_struct *tty,
1074 				struct serial_struct *ss);
1075 static int set_serial_info(struct tty_struct *tty,
1076 				struct serial_struct *ss);
1077 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1078 static bool ftdi_tx_empty(struct usb_serial_port *port);
1079 static int ftdi_get_modem_status(struct usb_serial_port *port,
1080 						unsigned char status[2]);
1081 
1082 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1083 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1084 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1085 static u32 ftdi_232bm_baud_to_divisor(int baud);
1086 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1087 static u32 ftdi_2232h_baud_to_divisor(int baud);
1088 
1089 static struct usb_serial_driver ftdi_sio_device = {
1090 	.driver = {
1091 		.owner =	THIS_MODULE,
1092 		.name =		"ftdi_sio",
1093 	},
1094 	.description =		"FTDI USB Serial Device",
1095 	.id_table =		id_table_combined,
1096 	.num_ports =		1,
1097 	.bulk_in_size =		512,
1098 	.bulk_out_size =	256,
1099 	.probe =		ftdi_sio_probe,
1100 	.port_probe =		ftdi_sio_port_probe,
1101 	.port_remove =		ftdi_sio_port_remove,
1102 	.open =			ftdi_open,
1103 	.dtr_rts =		ftdi_dtr_rts,
1104 	.throttle =		usb_serial_generic_throttle,
1105 	.unthrottle =		usb_serial_generic_unthrottle,
1106 	.process_read_urb =	ftdi_process_read_urb,
1107 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
1108 	.tiocmget =		ftdi_tiocmget,
1109 	.tiocmset =		ftdi_tiocmset,
1110 	.tiocmiwait =		usb_serial_generic_tiocmiwait,
1111 	.get_icount =           usb_serial_generic_get_icount,
1112 	.ioctl =		ftdi_ioctl,
1113 	.get_serial =		get_serial_info,
1114 	.set_serial =		set_serial_info,
1115 	.set_termios =		ftdi_set_termios,
1116 	.break_ctl =		ftdi_break_ctl,
1117 	.tx_empty =		ftdi_tx_empty,
1118 };
1119 
1120 static struct usb_serial_driver * const serial_drivers[] = {
1121 	&ftdi_sio_device, NULL
1122 };
1123 
1124 
1125 #define WDR_TIMEOUT 5000 /* default urb timeout */
1126 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1127 
1128 /*
1129  * ***************************************************************************
1130  * Utility functions
1131  * ***************************************************************************
1132  */
1133 
1134 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1135 {
1136 	unsigned short int divisor;
1137 	/* divisor shifted 3 bits to the left */
1138 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1139 	if ((divisor3 & 0x7) == 7)
1140 		divisor3++; /* round x.7/8 up to x+1 */
1141 	divisor = divisor3 >> 3;
1142 	divisor3 &= 0x7;
1143 	if (divisor3 == 1)
1144 		divisor |= 0xc000;
1145 	else if (divisor3 >= 4)
1146 		divisor |= 0x4000;
1147 	else if (divisor3 != 0)
1148 		divisor |= 0x8000;
1149 	else if (divisor == 1)
1150 		divisor = 0;	/* special case for maximum baud rate */
1151 	return divisor;
1152 }
1153 
1154 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1155 {
1156 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1157 }
1158 
1159 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1160 {
1161 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1162 	u32 divisor;
1163 	/* divisor shifted 3 bits to the left */
1164 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1165 	divisor = divisor3 >> 3;
1166 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1167 	/* Deal with special cases for highest baud rates. */
1168 	if (divisor == 1)
1169 		divisor = 0;
1170 	else if (divisor == 0x4001)
1171 		divisor = 1;
1172 	return divisor;
1173 }
1174 
1175 static u32 ftdi_232bm_baud_to_divisor(int baud)
1176 {
1177 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1178 }
1179 
1180 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1181 {
1182 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1183 	u32 divisor;
1184 	int divisor3;
1185 
1186 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1187 	divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1188 
1189 	divisor = divisor3 >> 3;
1190 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1191 	/* Deal with special cases for highest baud rates. */
1192 	if (divisor == 1)
1193 		divisor = 0;
1194 	else if (divisor == 0x4001)
1195 		divisor = 1;
1196 	/*
1197 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1198 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1199 	 * baud with this bit set
1200 	 */
1201 	divisor |= 0x00020000;
1202 	return divisor;
1203 }
1204 
1205 static u32 ftdi_2232h_baud_to_divisor(int baud)
1206 {
1207 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1208 }
1209 
1210 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1211 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1212 
1213 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1214 							unsigned int clear)
1215 {
1216 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1217 	struct device *dev = &port->dev;
1218 	unsigned value;
1219 	int rv;
1220 
1221 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1222 		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1223 		return 0;	/* no change */
1224 	}
1225 
1226 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1227 	value = 0;
1228 	if (clear & TIOCM_DTR)
1229 		value |= FTDI_SIO_SET_DTR_LOW;
1230 	if (clear & TIOCM_RTS)
1231 		value |= FTDI_SIO_SET_RTS_LOW;
1232 	if (set & TIOCM_DTR)
1233 		value |= FTDI_SIO_SET_DTR_HIGH;
1234 	if (set & TIOCM_RTS)
1235 		value |= FTDI_SIO_SET_RTS_HIGH;
1236 	rv = usb_control_msg(port->serial->dev,
1237 			       usb_sndctrlpipe(port->serial->dev, 0),
1238 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1239 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1240 			       value, priv->interface,
1241 			       NULL, 0, WDR_TIMEOUT);
1242 	if (rv < 0) {
1243 		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1244 			__func__,
1245 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1246 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1247 		rv = usb_translate_errors(rv);
1248 	} else {
1249 		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1250 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1251 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1252 		/* FIXME: locking on last_dtr_rts */
1253 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1254 	}
1255 	return rv;
1256 }
1257 
1258 
1259 static u32 get_ftdi_divisor(struct tty_struct *tty,
1260 						struct usb_serial_port *port)
1261 {
1262 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1263 	struct device *dev = &port->dev;
1264 	u32 div_value = 0;
1265 	int div_okay = 1;
1266 	int baud;
1267 
1268 	baud = tty_get_baud_rate(tty);
1269 	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1270 
1271 	/*
1272 	 * Observe deprecated async-compatible custom_divisor hack, update
1273 	 * baudrate if needed.
1274 	 */
1275 	if (baud == 38400 &&
1276 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1277 	     (priv->custom_divisor)) {
1278 		baud = priv->baud_base / priv->custom_divisor;
1279 		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1280 			__func__, priv->custom_divisor, baud);
1281 	}
1282 
1283 	if (!baud)
1284 		baud = 9600;
1285 	switch (priv->chip_type) {
1286 	case SIO: /* SIO chip */
1287 		switch (baud) {
1288 		case 300: div_value = ftdi_sio_b300; break;
1289 		case 600: div_value = ftdi_sio_b600; break;
1290 		case 1200: div_value = ftdi_sio_b1200; break;
1291 		case 2400: div_value = ftdi_sio_b2400; break;
1292 		case 4800: div_value = ftdi_sio_b4800; break;
1293 		case 9600: div_value = ftdi_sio_b9600; break;
1294 		case 19200: div_value = ftdi_sio_b19200; break;
1295 		case 38400: div_value = ftdi_sio_b38400; break;
1296 		case 57600: div_value = ftdi_sio_b57600;  break;
1297 		case 115200: div_value = ftdi_sio_b115200; break;
1298 		} /* baud */
1299 		if (div_value == 0) {
1300 			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1301 				__func__,  baud);
1302 			div_value = ftdi_sio_b9600;
1303 			baud = 9600;
1304 			div_okay = 0;
1305 		}
1306 		break;
1307 	case FT8U232AM: /* 8U232AM chip */
1308 		if (baud <= 3000000) {
1309 			div_value = ftdi_232am_baud_to_divisor(baud);
1310 		} else {
1311 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1312 			baud = 9600;
1313 			div_value = ftdi_232am_baud_to_divisor(9600);
1314 			div_okay = 0;
1315 		}
1316 		break;
1317 	case FT232BM: /* FT232BM chip */
1318 	case FT2232C: /* FT2232C chip */
1319 	case FT232RL: /* FT232RL chip */
1320 	case FTX:     /* FT-X series */
1321 		if (baud <= 3000000) {
1322 			u16 product_id = le16_to_cpu(
1323 				port->serial->dev->descriptor.idProduct);
1324 			if (((product_id == FTDI_NDI_HUC_PID)		||
1325 			     (product_id == FTDI_NDI_SPECTRA_SCU_PID)	||
1326 			     (product_id == FTDI_NDI_FUTURE_2_PID)	||
1327 			     (product_id == FTDI_NDI_FUTURE_3_PID)	||
1328 			     (product_id == FTDI_NDI_AURORA_SCU_PID))	&&
1329 			    (baud == 19200)) {
1330 				baud = 1200000;
1331 			}
1332 			div_value = ftdi_232bm_baud_to_divisor(baud);
1333 		} else {
1334 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1335 			div_value = ftdi_232bm_baud_to_divisor(9600);
1336 			div_okay = 0;
1337 			baud = 9600;
1338 		}
1339 		break;
1340 	case FT2232H: /* FT2232H chip */
1341 	case FT4232H: /* FT4232H chip */
1342 	case FT232H:  /* FT232H chip */
1343 		if ((baud <= 12000000) && (baud >= 1200)) {
1344 			div_value = ftdi_2232h_baud_to_divisor(baud);
1345 		} else if (baud < 1200) {
1346 			div_value = ftdi_232bm_baud_to_divisor(baud);
1347 		} else {
1348 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1349 			div_value = ftdi_232bm_baud_to_divisor(9600);
1350 			div_okay = 0;
1351 			baud = 9600;
1352 		}
1353 		break;
1354 	} /* priv->chip_type */
1355 
1356 	if (div_okay) {
1357 		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1358 			__func__, baud, (unsigned long)div_value,
1359 			ftdi_chip_name[priv->chip_type]);
1360 	}
1361 
1362 	tty_encode_baud_rate(tty, baud, baud);
1363 	return div_value;
1364 }
1365 
1366 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1367 {
1368 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1369 	u16 value;
1370 	u16 index;
1371 	u32 index_value;
1372 	int rv;
1373 
1374 	index_value = get_ftdi_divisor(tty, port);
1375 	value = (u16)index_value;
1376 	index = (u16)(index_value >> 16);
1377 	if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1378 		(priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1379 		/* Probably the BM type needs the MSB of the encoded fractional
1380 		 * divider also moved like for the chips above. Any infos? */
1381 		index = (u16)((index << 8) | priv->interface);
1382 	}
1383 
1384 	rv = usb_control_msg(port->serial->dev,
1385 			    usb_sndctrlpipe(port->serial->dev, 0),
1386 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1387 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1388 			    value, index,
1389 			    NULL, 0, WDR_SHORT_TIMEOUT);
1390 	return rv;
1391 }
1392 
1393 static int write_latency_timer(struct usb_serial_port *port)
1394 {
1395 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1396 	struct usb_device *udev = port->serial->dev;
1397 	int rv;
1398 	int l = priv->latency;
1399 
1400 	if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1401 		return -EINVAL;
1402 
1403 	if (priv->flags & ASYNC_LOW_LATENCY)
1404 		l = 1;
1405 
1406 	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1407 
1408 	rv = usb_control_msg(udev,
1409 			     usb_sndctrlpipe(udev, 0),
1410 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1411 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1412 			     l, priv->interface,
1413 			     NULL, 0, WDR_TIMEOUT);
1414 	if (rv < 0)
1415 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1416 	return rv;
1417 }
1418 
1419 static int _read_latency_timer(struct usb_serial_port *port)
1420 {
1421 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1422 	struct usb_device *udev = port->serial->dev;
1423 	unsigned char *buf;
1424 	int rv;
1425 
1426 	buf = kmalloc(1, GFP_KERNEL);
1427 	if (!buf)
1428 		return -ENOMEM;
1429 
1430 	rv = usb_control_msg(udev,
1431 			     usb_rcvctrlpipe(udev, 0),
1432 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1433 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1434 			     0, priv->interface,
1435 			     buf, 1, WDR_TIMEOUT);
1436 	if (rv < 1) {
1437 		if (rv >= 0)
1438 			rv = -EIO;
1439 	} else {
1440 		rv = buf[0];
1441 	}
1442 
1443 	kfree(buf);
1444 
1445 	return rv;
1446 }
1447 
1448 static int read_latency_timer(struct usb_serial_port *port)
1449 {
1450 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1451 	int rv;
1452 
1453 	if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1454 		return -EINVAL;
1455 
1456 	rv = _read_latency_timer(port);
1457 	if (rv < 0) {
1458 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1459 		return rv;
1460 	}
1461 
1462 	priv->latency = rv;
1463 
1464 	return 0;
1465 }
1466 
1467 static int get_serial_info(struct tty_struct *tty,
1468 				struct serial_struct *ss)
1469 {
1470 	struct usb_serial_port *port = tty->driver_data;
1471 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1472 
1473 	ss->flags = priv->flags;
1474 	ss->baud_base = priv->baud_base;
1475 	ss->custom_divisor = priv->custom_divisor;
1476 	return 0;
1477 }
1478 
1479 static int set_serial_info(struct tty_struct *tty,
1480 	struct serial_struct *ss)
1481 {
1482 	struct usb_serial_port *port = tty->driver_data;
1483 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1484 	struct ftdi_private old_priv;
1485 
1486 	mutex_lock(&priv->cfg_lock);
1487 	old_priv = *priv;
1488 
1489 	/* Do error checking and permission checking */
1490 
1491 	if (!capable(CAP_SYS_ADMIN)) {
1492 		if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1493 			mutex_unlock(&priv->cfg_lock);
1494 			return -EPERM;
1495 		}
1496 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1497 			       (ss->flags & ASYNC_USR_MASK));
1498 		priv->custom_divisor = ss->custom_divisor;
1499 		goto check_and_exit;
1500 	}
1501 
1502 	if (ss->baud_base != priv->baud_base) {
1503 		mutex_unlock(&priv->cfg_lock);
1504 		return -EINVAL;
1505 	}
1506 
1507 	/* Make the changes - these are privileged changes! */
1508 
1509 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1510 					(ss->flags & ASYNC_FLAGS));
1511 	priv->custom_divisor = ss->custom_divisor;
1512 
1513 check_and_exit:
1514 	write_latency_timer(port);
1515 
1516 	if ((priv->flags ^ old_priv.flags) & ASYNC_SPD_MASK ||
1517 			((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1518 			 priv->custom_divisor != old_priv.custom_divisor)) {
1519 
1520 		/* warn about deprecation unless clearing */
1521 		if (priv->flags & ASYNC_SPD_MASK)
1522 			dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1523 
1524 		change_speed(tty, port);
1525 	}
1526 	mutex_unlock(&priv->cfg_lock);
1527 	return 0;
1528 }
1529 
1530 static int get_lsr_info(struct usb_serial_port *port,
1531 			unsigned int __user *retinfo)
1532 {
1533 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1534 	unsigned int result = 0;
1535 
1536 	if (priv->transmit_empty)
1537 		result = TIOCSER_TEMT;
1538 
1539 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1540 		return -EFAULT;
1541 	return 0;
1542 }
1543 
1544 
1545 /* Determine type of FTDI chip based on USB config and descriptor. */
1546 static void ftdi_determine_type(struct usb_serial_port *port)
1547 {
1548 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1549 	struct usb_serial *serial = port->serial;
1550 	struct usb_device *udev = serial->dev;
1551 	unsigned version;
1552 	unsigned interfaces;
1553 
1554 	/* Assume it is not the original SIO device for now. */
1555 	priv->baud_base = 48000000 / 2;
1556 
1557 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1558 	interfaces = udev->actconfig->desc.bNumInterfaces;
1559 	dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1560 		version, interfaces);
1561 	if (interfaces > 1) {
1562 		int inter;
1563 
1564 		/* Multiple interfaces.*/
1565 		if (version == 0x0800) {
1566 			priv->chip_type = FT4232H;
1567 			/* Hi-speed - baud clock runs at 120MHz */
1568 			priv->baud_base = 120000000 / 2;
1569 		} else if (version == 0x0700) {
1570 			priv->chip_type = FT2232H;
1571 			/* Hi-speed - baud clock runs at 120MHz */
1572 			priv->baud_base = 120000000 / 2;
1573 		} else
1574 			priv->chip_type = FT2232C;
1575 
1576 		/* Determine interface code. */
1577 		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1578 		if (inter == 0) {
1579 			priv->interface = INTERFACE_A;
1580 		} else  if (inter == 1) {
1581 			priv->interface = INTERFACE_B;
1582 		} else  if (inter == 2) {
1583 			priv->interface = INTERFACE_C;
1584 		} else  if (inter == 3) {
1585 			priv->interface = INTERFACE_D;
1586 		}
1587 		/* BM-type devices have a bug where bcdDevice gets set
1588 		 * to 0x200 when iSerialNumber is 0.  */
1589 		if (version < 0x500) {
1590 			dev_dbg(&port->dev,
1591 				"%s: something fishy - bcdDevice too low for multi-interface device\n",
1592 				__func__);
1593 		}
1594 	} else if (version < 0x200) {
1595 		/* Old device.  Assume it's the original SIO. */
1596 		priv->chip_type = SIO;
1597 		priv->baud_base = 12000000 / 16;
1598 	} else if (version < 0x400) {
1599 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1600 		priv->chip_type = FT8U232AM;
1601 		/*
1602 		 * It might be a BM type because of the iSerialNumber bug.
1603 		 * If iSerialNumber==0 and the latency timer is readable,
1604 		 * assume it is BM type.
1605 		 */
1606 		if (udev->descriptor.iSerialNumber == 0 &&
1607 				_read_latency_timer(port) >= 0) {
1608 			dev_dbg(&port->dev,
1609 				"%s: has latency timer so not an AM type\n",
1610 				__func__);
1611 			priv->chip_type = FT232BM;
1612 		}
1613 	} else if (version < 0x600) {
1614 		/* Assume it's an FT232BM (or FT245BM) */
1615 		priv->chip_type = FT232BM;
1616 	} else if (version < 0x900) {
1617 		/* Assume it's an FT232RL */
1618 		priv->chip_type = FT232RL;
1619 	} else if (version < 0x1000) {
1620 		/* Assume it's an FT232H */
1621 		priv->chip_type = FT232H;
1622 	} else {
1623 		/* Assume it's an FT-X series device */
1624 		priv->chip_type = FTX;
1625 	}
1626 
1627 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1628 }
1629 
1630 
1631 /*
1632  * Determine the maximum packet size for the device. This depends on the chip
1633  * type and the USB host capabilities. The value should be obtained from the
1634  * device descriptor as the chip will use the appropriate values for the host.
1635  */
1636 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1637 {
1638 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1639 	struct usb_interface *interface = port->serial->interface;
1640 	struct usb_endpoint_descriptor *ep_desc;
1641 	unsigned num_endpoints;
1642 	unsigned i;
1643 
1644 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1645 	if (!num_endpoints)
1646 		return;
1647 
1648 	/*
1649 	 * NOTE: Some customers have programmed FT232R/FT245R devices
1650 	 * with an endpoint size of 0 - not good. In this case, we
1651 	 * want to override the endpoint descriptor setting and use a
1652 	 * value of 64 for wMaxPacketSize.
1653 	 */
1654 	for (i = 0; i < num_endpoints; i++) {
1655 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1656 		if (!ep_desc->wMaxPacketSize) {
1657 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1658 			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1659 					usb_endpoint_num(ep_desc));
1660 		}
1661 	}
1662 
1663 	/* Set max packet size based on last descriptor. */
1664 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1665 }
1666 
1667 
1668 /*
1669  * ***************************************************************************
1670  * Sysfs Attribute
1671  * ***************************************************************************
1672  */
1673 
1674 static ssize_t latency_timer_show(struct device *dev,
1675 				  struct device_attribute *attr, char *buf)
1676 {
1677 	struct usb_serial_port *port = to_usb_serial_port(dev);
1678 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1679 	if (priv->flags & ASYNC_LOW_LATENCY)
1680 		return sprintf(buf, "1\n");
1681 	else
1682 		return sprintf(buf, "%i\n", priv->latency);
1683 }
1684 
1685 /* Write a new value of the latency timer, in units of milliseconds. */
1686 static ssize_t latency_timer_store(struct device *dev,
1687 				   struct device_attribute *attr,
1688 				   const char *valbuf, size_t count)
1689 {
1690 	struct usb_serial_port *port = to_usb_serial_port(dev);
1691 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1692 	u8 v;
1693 	int rv;
1694 
1695 	if (kstrtou8(valbuf, 10, &v))
1696 		return -EINVAL;
1697 
1698 	priv->latency = v;
1699 	rv = write_latency_timer(port);
1700 	if (rv < 0)
1701 		return -EIO;
1702 	return count;
1703 }
1704 static DEVICE_ATTR_RW(latency_timer);
1705 
1706 /* Write an event character directly to the FTDI register.  The ASCII
1707    value is in the low 8 bits, with the enable bit in the 9th bit. */
1708 static ssize_t event_char_store(struct device *dev,
1709 	struct device_attribute *attr, const char *valbuf, size_t count)
1710 {
1711 	struct usb_serial_port *port = to_usb_serial_port(dev);
1712 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1713 	struct usb_device *udev = port->serial->dev;
1714 	unsigned int v;
1715 	int rv;
1716 
1717 	if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1718 		return -EINVAL;
1719 
1720 	dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1721 
1722 	rv = usb_control_msg(udev,
1723 			     usb_sndctrlpipe(udev, 0),
1724 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1725 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1726 			     v, priv->interface,
1727 			     NULL, 0, WDR_TIMEOUT);
1728 	if (rv < 0) {
1729 		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1730 		return -EIO;
1731 	}
1732 
1733 	return count;
1734 }
1735 static DEVICE_ATTR_WO(event_char);
1736 
1737 static int create_sysfs_attrs(struct usb_serial_port *port)
1738 {
1739 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1740 	int retval = 0;
1741 
1742 	/* XXX I've no idea if the original SIO supports the event_char
1743 	 * sysfs parameter, so I'm playing it safe.  */
1744 	if (priv->chip_type != SIO) {
1745 		dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1746 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1747 		if ((!retval) &&
1748 		    (priv->chip_type == FT232BM ||
1749 		     priv->chip_type == FT2232C ||
1750 		     priv->chip_type == FT232RL ||
1751 		     priv->chip_type == FT2232H ||
1752 		     priv->chip_type == FT4232H ||
1753 		     priv->chip_type == FT232H ||
1754 		     priv->chip_type == FTX)) {
1755 			retval = device_create_file(&port->dev,
1756 						    &dev_attr_latency_timer);
1757 		}
1758 	}
1759 	return retval;
1760 }
1761 
1762 static void remove_sysfs_attrs(struct usb_serial_port *port)
1763 {
1764 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1765 
1766 	/* XXX see create_sysfs_attrs */
1767 	if (priv->chip_type != SIO) {
1768 		device_remove_file(&port->dev, &dev_attr_event_char);
1769 		if (priv->chip_type == FT232BM ||
1770 		    priv->chip_type == FT2232C ||
1771 		    priv->chip_type == FT232RL ||
1772 		    priv->chip_type == FT2232H ||
1773 		    priv->chip_type == FT4232H ||
1774 		    priv->chip_type == FT232H ||
1775 		    priv->chip_type == FTX) {
1776 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1777 		}
1778 	}
1779 
1780 }
1781 
1782 #ifdef CONFIG_GPIOLIB
1783 
1784 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1785 {
1786 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1787 	struct usb_serial *serial = port->serial;
1788 	int result;
1789 	u16 val;
1790 
1791 	result = usb_autopm_get_interface(serial->interface);
1792 	if (result)
1793 		return result;
1794 
1795 	val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1796 	result = usb_control_msg(serial->dev,
1797 				 usb_sndctrlpipe(serial->dev, 0),
1798 				 FTDI_SIO_SET_BITMODE_REQUEST,
1799 				 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1800 				 priv->interface, NULL, 0, WDR_TIMEOUT);
1801 	if (result < 0) {
1802 		dev_err(&serial->interface->dev,
1803 			"bitmode request failed for value 0x%04x: %d\n",
1804 			val, result);
1805 	}
1806 
1807 	usb_autopm_put_interface(serial->interface);
1808 
1809 	return result;
1810 }
1811 
1812 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1813 {
1814 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1815 }
1816 
1817 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1818 {
1819 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1820 
1821 	priv->gpio_output = 0;
1822 	priv->gpio_value = 0;
1823 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1824 }
1825 
1826 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1827 {
1828 	struct usb_serial_port *port = gpiochip_get_data(gc);
1829 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1830 	int result;
1831 
1832 	if (priv->gpio_altfunc & BIT(offset))
1833 		return -ENODEV;
1834 
1835 	mutex_lock(&priv->gpio_lock);
1836 	if (!priv->gpio_used) {
1837 		/* Set default pin states, as we cannot get them from device */
1838 		priv->gpio_output = 0x00;
1839 		priv->gpio_value = 0x00;
1840 		result = ftdi_set_cbus_pins(port);
1841 		if (result) {
1842 			mutex_unlock(&priv->gpio_lock);
1843 			return result;
1844 		}
1845 
1846 		priv->gpio_used = true;
1847 	}
1848 	mutex_unlock(&priv->gpio_lock);
1849 
1850 	return 0;
1851 }
1852 
1853 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1854 {
1855 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1856 	struct usb_serial *serial = port->serial;
1857 	unsigned char *buf;
1858 	int result;
1859 
1860 	result = usb_autopm_get_interface(serial->interface);
1861 	if (result)
1862 		return result;
1863 
1864 	buf = kmalloc(1, GFP_KERNEL);
1865 	if (!buf) {
1866 		usb_autopm_put_interface(serial->interface);
1867 		return -ENOMEM;
1868 	}
1869 
1870 	result = usb_control_msg(serial->dev,
1871 				 usb_rcvctrlpipe(serial->dev, 0),
1872 				 FTDI_SIO_READ_PINS_REQUEST,
1873 				 FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1874 				 priv->interface, buf, 1, WDR_TIMEOUT);
1875 	if (result < 1) {
1876 		if (result >= 0)
1877 			result = -EIO;
1878 	} else {
1879 		result = buf[0];
1880 	}
1881 
1882 	kfree(buf);
1883 	usb_autopm_put_interface(serial->interface);
1884 
1885 	return result;
1886 }
1887 
1888 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1889 {
1890 	struct usb_serial_port *port = gpiochip_get_data(gc);
1891 	int result;
1892 
1893 	result = ftdi_read_cbus_pins(port);
1894 	if (result < 0)
1895 		return result;
1896 
1897 	return !!(result & BIT(gpio));
1898 }
1899 
1900 static void ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1901 {
1902 	struct usb_serial_port *port = gpiochip_get_data(gc);
1903 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1904 
1905 	mutex_lock(&priv->gpio_lock);
1906 
1907 	if (value)
1908 		priv->gpio_value |= BIT(gpio);
1909 	else
1910 		priv->gpio_value &= ~BIT(gpio);
1911 
1912 	ftdi_set_cbus_pins(port);
1913 
1914 	mutex_unlock(&priv->gpio_lock);
1915 }
1916 
1917 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1918 					unsigned long *bits)
1919 {
1920 	struct usb_serial_port *port = gpiochip_get_data(gc);
1921 	int result;
1922 
1923 	result = ftdi_read_cbus_pins(port);
1924 	if (result < 0)
1925 		return result;
1926 
1927 	*bits = result & *mask;
1928 
1929 	return 0;
1930 }
1931 
1932 static void ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1933 					unsigned long *bits)
1934 {
1935 	struct usb_serial_port *port = gpiochip_get_data(gc);
1936 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1937 
1938 	mutex_lock(&priv->gpio_lock);
1939 
1940 	priv->gpio_value &= ~(*mask);
1941 	priv->gpio_value |= *bits & *mask;
1942 	ftdi_set_cbus_pins(port);
1943 
1944 	mutex_unlock(&priv->gpio_lock);
1945 }
1946 
1947 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1948 {
1949 	struct usb_serial_port *port = gpiochip_get_data(gc);
1950 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1951 
1952 	return !(priv->gpio_output & BIT(gpio));
1953 }
1954 
1955 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1956 {
1957 	struct usb_serial_port *port = gpiochip_get_data(gc);
1958 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1959 	int result;
1960 
1961 	mutex_lock(&priv->gpio_lock);
1962 
1963 	priv->gpio_output &= ~BIT(gpio);
1964 	result = ftdi_set_cbus_pins(port);
1965 
1966 	mutex_unlock(&priv->gpio_lock);
1967 
1968 	return result;
1969 }
1970 
1971 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1972 					int value)
1973 {
1974 	struct usb_serial_port *port = gpiochip_get_data(gc);
1975 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1976 	int result;
1977 
1978 	mutex_lock(&priv->gpio_lock);
1979 
1980 	priv->gpio_output |= BIT(gpio);
1981 	if (value)
1982 		priv->gpio_value |= BIT(gpio);
1983 	else
1984 		priv->gpio_value &= ~BIT(gpio);
1985 
1986 	result = ftdi_set_cbus_pins(port);
1987 
1988 	mutex_unlock(&priv->gpio_lock);
1989 
1990 	return result;
1991 }
1992 
1993 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
1994 				u16 nbytes)
1995 {
1996 	int read = 0;
1997 
1998 	if (addr % 2 != 0)
1999 		return -EINVAL;
2000 	if (nbytes % 2 != 0)
2001 		return -EINVAL;
2002 
2003 	/* Read EEPROM two bytes at a time */
2004 	while (read < nbytes) {
2005 		int rv;
2006 
2007 		rv = usb_control_msg(serial->dev,
2008 				     usb_rcvctrlpipe(serial->dev, 0),
2009 				     FTDI_SIO_READ_EEPROM_REQUEST,
2010 				     FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
2011 				     0, (addr + read) / 2, dst + read, 2,
2012 				     WDR_TIMEOUT);
2013 		if (rv < 2) {
2014 			if (rv >= 0)
2015 				return -EIO;
2016 			else
2017 				return rv;
2018 		}
2019 
2020 		read += rv;
2021 	}
2022 
2023 	return 0;
2024 }
2025 
2026 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
2027 {
2028 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2029 	u16 cbus_config;
2030 	u8 *buf;
2031 	int ret;
2032 	int i;
2033 
2034 	buf = kmalloc(4, GFP_KERNEL);
2035 	if (!buf)
2036 		return -ENOMEM;
2037 
2038 	ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
2039 	if (ret < 0)
2040 		goto out_free;
2041 
2042 	/*
2043 	 * FT232H CBUS Memory Map
2044 	 *
2045 	 * 0x1a: X- (upper nibble -> AC5)
2046 	 * 0x1b: -X (lower nibble -> AC6)
2047 	 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2048 	 */
2049 	cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2050 
2051 	priv->gc.ngpio = 4;
2052 	priv->gpio_altfunc = 0xff;
2053 
2054 	for (i = 0; i < priv->gc.ngpio; ++i) {
2055 		if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2056 			priv->gpio_altfunc &= ~BIT(i);
2057 		cbus_config >>= 4;
2058 	}
2059 
2060 out_free:
2061 	kfree(buf);
2062 
2063 	return ret;
2064 }
2065 
2066 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2067 {
2068 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2069 	u16 cbus_config;
2070 	u8 *buf;
2071 	int ret;
2072 	int i;
2073 
2074 	buf = kmalloc(2, GFP_KERNEL);
2075 	if (!buf)
2076 		return -ENOMEM;
2077 
2078 	ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2079 	if (ret < 0)
2080 		goto out_free;
2081 
2082 	cbus_config = le16_to_cpup((__le16 *)buf);
2083 	dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2084 
2085 	priv->gc.ngpio = 4;
2086 
2087 	priv->gpio_altfunc = 0xff;
2088 	for (i = 0; i < priv->gc.ngpio; ++i) {
2089 		if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2090 			priv->gpio_altfunc &= ~BIT(i);
2091 		cbus_config >>= 4;
2092 	}
2093 out_free:
2094 	kfree(buf);
2095 
2096 	return ret;
2097 }
2098 
2099 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2100 {
2101 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2102 	struct usb_serial *serial = port->serial;
2103 	const u16 cbus_cfg_addr = 0x1a;
2104 	const u16 cbus_cfg_size = 4;
2105 	u8 *cbus_cfg_buf;
2106 	int result;
2107 	u8 i;
2108 
2109 	cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2110 	if (!cbus_cfg_buf)
2111 		return -ENOMEM;
2112 
2113 	result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2114 				  cbus_cfg_addr, cbus_cfg_size);
2115 	if (result < 0)
2116 		goto out_free;
2117 
2118 	/* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2119 	priv->gc.ngpio = 4;
2120 
2121 	/* Determine which pins are configured for CBUS bitbanging */
2122 	priv->gpio_altfunc = 0xff;
2123 	for (i = 0; i < priv->gc.ngpio; ++i) {
2124 		if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2125 			priv->gpio_altfunc &= ~BIT(i);
2126 	}
2127 
2128 out_free:
2129 	kfree(cbus_cfg_buf);
2130 
2131 	return result;
2132 }
2133 
2134 static int ftdi_gpio_init(struct usb_serial_port *port)
2135 {
2136 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2137 	struct usb_serial *serial = port->serial;
2138 	int result;
2139 
2140 	switch (priv->chip_type) {
2141 	case FT232H:
2142 		result = ftdi_gpio_init_ft232h(port);
2143 		break;
2144 	case FT232RL:
2145 		result = ftdi_gpio_init_ft232r(port);
2146 		break;
2147 	case FTX:
2148 		result = ftdi_gpio_init_ftx(port);
2149 		break;
2150 	default:
2151 		return 0;
2152 	}
2153 
2154 	if (result < 0)
2155 		return result;
2156 
2157 	mutex_init(&priv->gpio_lock);
2158 
2159 	priv->gc.label = "ftdi-cbus";
2160 	priv->gc.request = ftdi_gpio_request;
2161 	priv->gc.get_direction = ftdi_gpio_direction_get;
2162 	priv->gc.direction_input = ftdi_gpio_direction_input;
2163 	priv->gc.direction_output = ftdi_gpio_direction_output;
2164 	priv->gc.get = ftdi_gpio_get;
2165 	priv->gc.set = ftdi_gpio_set;
2166 	priv->gc.get_multiple = ftdi_gpio_get_multiple;
2167 	priv->gc.set_multiple = ftdi_gpio_set_multiple;
2168 	priv->gc.owner = THIS_MODULE;
2169 	priv->gc.parent = &serial->interface->dev;
2170 	priv->gc.base = -1;
2171 	priv->gc.can_sleep = true;
2172 
2173 	result = gpiochip_add_data(&priv->gc, port);
2174 	if (!result)
2175 		priv->gpio_registered = true;
2176 
2177 	return result;
2178 }
2179 
2180 static void ftdi_gpio_remove(struct usb_serial_port *port)
2181 {
2182 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2183 
2184 	if (priv->gpio_registered) {
2185 		gpiochip_remove(&priv->gc);
2186 		priv->gpio_registered = false;
2187 	}
2188 
2189 	if (priv->gpio_used) {
2190 		/* Exiting CBUS-mode does not reset pin states. */
2191 		ftdi_exit_cbus_mode(port);
2192 		priv->gpio_used = false;
2193 	}
2194 }
2195 
2196 #else
2197 
2198 static int ftdi_gpio_init(struct usb_serial_port *port)
2199 {
2200 	return 0;
2201 }
2202 
2203 static void ftdi_gpio_remove(struct usb_serial_port *port) { }
2204 
2205 #endif	/* CONFIG_GPIOLIB */
2206 
2207 /*
2208  * ***************************************************************************
2209  * FTDI driver specific functions
2210  * ***************************************************************************
2211  */
2212 
2213 /* Probe function to check for special devices */
2214 static int ftdi_sio_probe(struct usb_serial *serial,
2215 					const struct usb_device_id *id)
2216 {
2217 	const struct ftdi_sio_quirk *quirk =
2218 				(struct ftdi_sio_quirk *)id->driver_info;
2219 
2220 	if (quirk && quirk->probe) {
2221 		int ret = quirk->probe(serial);
2222 		if (ret != 0)
2223 			return ret;
2224 	}
2225 
2226 	usb_set_serial_data(serial, (void *)id->driver_info);
2227 
2228 	return 0;
2229 }
2230 
2231 static int ftdi_sio_port_probe(struct usb_serial_port *port)
2232 {
2233 	struct ftdi_private *priv;
2234 	const struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
2235 	int result;
2236 
2237 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
2238 	if (!priv)
2239 		return -ENOMEM;
2240 
2241 	mutex_init(&priv->cfg_lock);
2242 
2243 	if (quirk && quirk->port_probe)
2244 		quirk->port_probe(priv);
2245 
2246 	usb_set_serial_port_data(port, priv);
2247 
2248 	ftdi_determine_type(port);
2249 	ftdi_set_max_packet_size(port);
2250 	if (read_latency_timer(port) < 0)
2251 		priv->latency = 16;
2252 	write_latency_timer(port);
2253 	create_sysfs_attrs(port);
2254 
2255 	result = ftdi_gpio_init(port);
2256 	if (result < 0) {
2257 		dev_err(&port->serial->interface->dev,
2258 			"GPIO initialisation failed: %d\n",
2259 			result);
2260 	}
2261 
2262 	return 0;
2263 }
2264 
2265 /* Setup for the USB-UIRT device, which requires hardwired
2266  * baudrate (38400 gets mapped to 312500) */
2267 /* Called from usbserial:serial_probe */
2268 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
2269 {
2270 	priv->flags |= ASYNC_SPD_CUST;
2271 	priv->custom_divisor = 77;
2272 	priv->force_baud = 38400;
2273 }
2274 
2275 /* Setup for the HE-TIRA1 device, which requires hardwired
2276  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
2277 
2278 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
2279 {
2280 	priv->flags |= ASYNC_SPD_CUST;
2281 	priv->custom_divisor = 240;
2282 	priv->force_baud = 38400;
2283 	priv->force_rtscts = 1;
2284 }
2285 
2286 /*
2287  * Module parameter to control latency timer for NDI FTDI-based USB devices.
2288  * If this value is not set in /etc/modprobe.d/ its value will be set
2289  * to 1ms.
2290  */
2291 static int ndi_latency_timer = 1;
2292 
2293 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
2294  * baudrate (19200 gets mapped to 1200000).
2295  *
2296  * Called from usbserial:serial_probe.
2297  */
2298 static int ftdi_NDI_device_setup(struct usb_serial *serial)
2299 {
2300 	struct usb_device *udev = serial->dev;
2301 	int latency = ndi_latency_timer;
2302 
2303 	if (latency == 0)
2304 		latency = 1;
2305 	if (latency > 99)
2306 		latency = 99;
2307 
2308 	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
2309 	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
2310 
2311 	/* FIXME: errors are not returned */
2312 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
2313 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
2314 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
2315 				latency, 0, NULL, 0, WDR_TIMEOUT);
2316 	return 0;
2317 }
2318 
2319 /*
2320  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
2321  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
2322  * userspace using openocd.
2323  */
2324 static int ftdi_jtag_probe(struct usb_serial *serial)
2325 {
2326 	struct usb_device *udev = serial->dev;
2327 	struct usb_interface *interface = serial->interface;
2328 
2329 	if (interface == udev->actconfig->interface[0]) {
2330 		dev_info(&udev->dev,
2331 			 "Ignoring serial port reserved for JTAG\n");
2332 		return -ENODEV;
2333 	}
2334 
2335 	return 0;
2336 }
2337 
2338 static int ftdi_8u2232c_probe(struct usb_serial *serial)
2339 {
2340 	struct usb_device *udev = serial->dev;
2341 
2342 	if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
2343 		return ftdi_jtag_probe(serial);
2344 
2345 	if (udev->product &&
2346 		(!strcmp(udev->product, "Arrow USB Blaster") ||
2347 		 !strcmp(udev->product, "BeagleBone/XDS100V2") ||
2348 		 !strcmp(udev->product, "SNAP Connect E10")))
2349 		return ftdi_jtag_probe(serial);
2350 
2351 	return 0;
2352 }
2353 
2354 /*
2355  * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
2356  * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
2357  * can be accessed from userspace.
2358  * The next two ports are enabled as UARTs by default, where port 2 is
2359  * a conventional RS-232 UART.
2360  */
2361 static int ftdi_stmclite_probe(struct usb_serial *serial)
2362 {
2363 	struct usb_device *udev = serial->dev;
2364 	struct usb_interface *interface = serial->interface;
2365 
2366 	if (interface == udev->actconfig->interface[0] ||
2367 	    interface == udev->actconfig->interface[1]) {
2368 		dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
2369 		return -ENODEV;
2370 	}
2371 
2372 	return 0;
2373 }
2374 
2375 static int ftdi_sio_port_remove(struct usb_serial_port *port)
2376 {
2377 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2378 
2379 	ftdi_gpio_remove(port);
2380 
2381 	remove_sysfs_attrs(port);
2382 
2383 	kfree(priv);
2384 
2385 	return 0;
2386 }
2387 
2388 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2389 {
2390 	struct usb_device *dev = port->serial->dev;
2391 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2392 
2393 	/* No error checking for this (will get errors later anyway) */
2394 	/* See ftdi_sio.h for description of what is reset */
2395 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2396 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2397 			FTDI_SIO_RESET_SIO,
2398 			priv->interface, NULL, 0, WDR_TIMEOUT);
2399 
2400 	/* Termios defaults are set by usb_serial_init. We don't change
2401 	   port->tty->termios - this would lose speed settings, etc.
2402 	   This is same behaviour as serial.c/rs_open() - Kuba */
2403 
2404 	/* ftdi_set_termios  will send usb control messages */
2405 	if (tty)
2406 		ftdi_set_termios(tty, port, NULL);
2407 
2408 	return usb_serial_generic_open(tty, port);
2409 }
2410 
2411 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2412 {
2413 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2414 
2415 	/* Disable flow control */
2416 	if (!on) {
2417 		if (usb_control_msg(port->serial->dev,
2418 			    usb_sndctrlpipe(port->serial->dev, 0),
2419 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2420 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2421 			    0, priv->interface, NULL, 0,
2422 			    WDR_TIMEOUT) < 0) {
2423 			dev_err(&port->dev, "error from flowcontrol urb\n");
2424 		}
2425 	}
2426 	/* drop RTS and DTR */
2427 	if (on)
2428 		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2429 	else
2430 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2431 }
2432 
2433 /* The SIO requires the first byte to have:
2434  *  B0 1
2435  *  B1 0
2436  *  B2..7 length of message excluding byte 0
2437  *
2438  * The new devices do not require this byte
2439  */
2440 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2441 						void *dest, size_t size)
2442 {
2443 	struct ftdi_private *priv;
2444 	int count;
2445 	unsigned long flags;
2446 
2447 	priv = usb_get_serial_port_data(port);
2448 
2449 	if (priv->chip_type == SIO) {
2450 		unsigned char *buffer = dest;
2451 		int i, len, c;
2452 
2453 		count = 0;
2454 		spin_lock_irqsave(&port->lock, flags);
2455 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
2456 			len = min_t(int, size - i, priv->max_packet_size) - 1;
2457 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2458 			if (!c)
2459 				break;
2460 			port->icount.tx += c;
2461 			buffer[i] = (c << 2) + 1;
2462 			count += c + 1;
2463 		}
2464 		spin_unlock_irqrestore(&port->lock, flags);
2465 	} else {
2466 		count = kfifo_out_locked(&port->write_fifo, dest, size,
2467 								&port->lock);
2468 		port->icount.tx += count;
2469 	}
2470 
2471 	return count;
2472 }
2473 
2474 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2475 
2476 static int ftdi_process_packet(struct usb_serial_port *port,
2477 		struct ftdi_private *priv, char *packet, int len)
2478 {
2479 	int i;
2480 	char status;
2481 	char flag;
2482 	char *ch;
2483 
2484 	if (len < 2) {
2485 		dev_dbg(&port->dev, "malformed packet\n");
2486 		return 0;
2487 	}
2488 
2489 	/* Compare new line status to the old one, signal if different/
2490 	   N.B. packet may be processed more than once, but differences
2491 	   are only processed once.  */
2492 	status = packet[0] & FTDI_STATUS_B0_MASK;
2493 	if (status != priv->prev_status) {
2494 		char diff_status = status ^ priv->prev_status;
2495 
2496 		if (diff_status & FTDI_RS0_CTS)
2497 			port->icount.cts++;
2498 		if (diff_status & FTDI_RS0_DSR)
2499 			port->icount.dsr++;
2500 		if (diff_status & FTDI_RS0_RI)
2501 			port->icount.rng++;
2502 		if (diff_status & FTDI_RS0_RLSD) {
2503 			struct tty_struct *tty;
2504 
2505 			port->icount.dcd++;
2506 			tty = tty_port_tty_get(&port->port);
2507 			if (tty)
2508 				usb_serial_handle_dcd_change(port, tty,
2509 						status & FTDI_RS0_RLSD);
2510 			tty_kref_put(tty);
2511 		}
2512 
2513 		wake_up_interruptible(&port->port.delta_msr_wait);
2514 		priv->prev_status = status;
2515 	}
2516 
2517 	/* save if the transmitter is empty or not */
2518 	if (packet[1] & FTDI_RS_TEMT)
2519 		priv->transmit_empty = 1;
2520 	else
2521 		priv->transmit_empty = 0;
2522 
2523 	len -= 2;
2524 	if (!len)
2525 		return 0;	/* status only */
2526 
2527 	/*
2528 	 * Break and error status must only be processed for packets with
2529 	 * data payload to avoid over-reporting.
2530 	 */
2531 	flag = TTY_NORMAL;
2532 	if (packet[1] & FTDI_RS_ERR_MASK) {
2533 		/* Break takes precedence over parity, which takes precedence
2534 		 * over framing errors */
2535 		if (packet[1] & FTDI_RS_BI) {
2536 			flag = TTY_BREAK;
2537 			port->icount.brk++;
2538 			usb_serial_handle_break(port);
2539 		} else if (packet[1] & FTDI_RS_PE) {
2540 			flag = TTY_PARITY;
2541 			port->icount.parity++;
2542 		} else if (packet[1] & FTDI_RS_FE) {
2543 			flag = TTY_FRAME;
2544 			port->icount.frame++;
2545 		}
2546 		/* Overrun is special, not associated with a char */
2547 		if (packet[1] & FTDI_RS_OE) {
2548 			port->icount.overrun++;
2549 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2550 		}
2551 	}
2552 
2553 	port->icount.rx += len;
2554 	ch = packet + 2;
2555 
2556 	if (port->port.console && port->sysrq) {
2557 		for (i = 0; i < len; i++, ch++) {
2558 			if (!usb_serial_handle_sysrq_char(port, *ch))
2559 				tty_insert_flip_char(&port->port, *ch, flag);
2560 		}
2561 	} else {
2562 		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
2563 	}
2564 
2565 	return len;
2566 }
2567 
2568 static void ftdi_process_read_urb(struct urb *urb)
2569 {
2570 	struct usb_serial_port *port = urb->context;
2571 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2572 	char *data = (char *)urb->transfer_buffer;
2573 	int i;
2574 	int len;
2575 	int count = 0;
2576 
2577 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2578 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2579 		count += ftdi_process_packet(port, priv, &data[i], len);
2580 	}
2581 
2582 	if (count)
2583 		tty_flip_buffer_push(&port->port);
2584 }
2585 
2586 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2587 {
2588 	struct usb_serial_port *port = tty->driver_data;
2589 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2590 	u16 value;
2591 
2592 	/* break_state = -1 to turn on break, and 0 to turn off break */
2593 	/* see drivers/char/tty_io.c to see it used */
2594 	/* last_set_data_value NEVER has the break bit set in it */
2595 
2596 	if (break_state)
2597 		value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2598 	else
2599 		value = priv->last_set_data_value;
2600 
2601 	if (usb_control_msg(port->serial->dev,
2602 			usb_sndctrlpipe(port->serial->dev, 0),
2603 			FTDI_SIO_SET_DATA_REQUEST,
2604 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2605 			value , priv->interface,
2606 			NULL, 0, WDR_TIMEOUT) < 0) {
2607 		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2608 			__func__, break_state);
2609 	}
2610 
2611 	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2612 		break_state, value);
2613 
2614 }
2615 
2616 static bool ftdi_tx_empty(struct usb_serial_port *port)
2617 {
2618 	unsigned char buf[2];
2619 	int ret;
2620 
2621 	ret = ftdi_get_modem_status(port, buf);
2622 	if (ret == 2) {
2623 		if (!(buf[1] & FTDI_RS_TEMT))
2624 			return false;
2625 	}
2626 
2627 	return true;
2628 }
2629 
2630 /* old_termios contains the original termios settings and tty->termios contains
2631  * the new setting to be used
2632  * WARNING: set_termios calls this with old_termios in kernel space
2633  */
2634 static void ftdi_set_termios(struct tty_struct *tty,
2635 		struct usb_serial_port *port, struct ktermios *old_termios)
2636 {
2637 	struct usb_device *dev = port->serial->dev;
2638 	struct device *ddev = &port->dev;
2639 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2640 	struct ktermios *termios = &tty->termios;
2641 	unsigned int cflag = termios->c_cflag;
2642 	u16 value, index;
2643 	int ret;
2644 
2645 	/* Force baud rate if this device requires it, unless it is set to
2646 	   B0. */
2647 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2648 		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2649 		tty_encode_baud_rate(tty, priv->force_baud,
2650 					priv->force_baud);
2651 	}
2652 
2653 	/* Force RTS-CTS if this device requires it. */
2654 	if (priv->force_rtscts) {
2655 		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2656 		termios->c_cflag |= CRTSCTS;
2657 	}
2658 
2659 	/*
2660 	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2661 	 * support CS5/6 and revert the CSIZE setting instead.
2662 	 *
2663 	 * CS5 however is used to control some smartcard readers which abuse
2664 	 * this limitation to switch modes. Original FTDI chips fall back to
2665 	 * eight data bits.
2666 	 *
2667 	 * TODO: Implement a quirk to only allow this with mentioned
2668 	 *       readers. One I know of (Argolis Smartreader V1)
2669 	 *       returns "USB smartcard server" as iInterface string.
2670 	 *       The vendor didn't bother with a custom VID/PID of
2671 	 *       course.
2672 	 */
2673 	if (C_CSIZE(tty) == CS6) {
2674 		dev_warn(ddev, "requested CSIZE setting not supported\n");
2675 
2676 		termios->c_cflag &= ~CSIZE;
2677 		if (old_termios)
2678 			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2679 		else
2680 			termios->c_cflag |= CS8;
2681 	}
2682 
2683 	cflag = termios->c_cflag;
2684 
2685 	if (!old_termios)
2686 		goto no_skip;
2687 
2688 	if (old_termios->c_cflag == termios->c_cflag
2689 	    && old_termios->c_ispeed == termios->c_ispeed
2690 	    && old_termios->c_ospeed == termios->c_ospeed)
2691 		goto no_c_cflag_changes;
2692 
2693 	/* NOTE These routines can get interrupted by
2694 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2695 	   don't see any problems yet */
2696 
2697 	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2698 	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2699 		goto no_data_parity_stop_changes;
2700 
2701 no_skip:
2702 	/* Set number of data bits, parity, stop bits */
2703 
2704 	value = 0;
2705 	value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2706 			FTDI_SIO_SET_DATA_STOP_BITS_1);
2707 	if (cflag & PARENB) {
2708 		if (cflag & CMSPAR)
2709 			value |= cflag & PARODD ?
2710 					FTDI_SIO_SET_DATA_PARITY_MARK :
2711 					FTDI_SIO_SET_DATA_PARITY_SPACE;
2712 		else
2713 			value |= cflag & PARODD ?
2714 					FTDI_SIO_SET_DATA_PARITY_ODD :
2715 					FTDI_SIO_SET_DATA_PARITY_EVEN;
2716 	} else {
2717 		value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2718 	}
2719 	switch (cflag & CSIZE) {
2720 	case CS5:
2721 		dev_dbg(ddev, "Setting CS5 quirk\n");
2722 		break;
2723 	case CS7:
2724 		value |= 7;
2725 		dev_dbg(ddev, "Setting CS7\n");
2726 		break;
2727 	default:
2728 	case CS8:
2729 		value |= 8;
2730 		dev_dbg(ddev, "Setting CS8\n");
2731 		break;
2732 	}
2733 
2734 	/* This is needed by the break command since it uses the same command
2735 	   - but is or'ed with this value  */
2736 	priv->last_set_data_value = value;
2737 
2738 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2739 			    FTDI_SIO_SET_DATA_REQUEST,
2740 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2741 			    value , priv->interface,
2742 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2743 		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2744 			__func__);
2745 	}
2746 
2747 	/* Now do the baudrate */
2748 no_data_parity_stop_changes:
2749 	if ((cflag & CBAUD) == B0) {
2750 		/* Disable flow control */
2751 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2752 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2753 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2754 				    0, priv->interface,
2755 				    NULL, 0, WDR_TIMEOUT) < 0) {
2756 			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2757 				__func__);
2758 		}
2759 		/* Drop RTS and DTR */
2760 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2761 	} else {
2762 		/* set the baudrate determined before */
2763 		mutex_lock(&priv->cfg_lock);
2764 		if (change_speed(tty, port))
2765 			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2766 		mutex_unlock(&priv->cfg_lock);
2767 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2768 		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2769 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2770 	}
2771 
2772 no_c_cflag_changes:
2773 	/* Set hardware-assisted flow control */
2774 	value = 0;
2775 
2776 	if (C_CRTSCTS(tty)) {
2777 		dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2778 		index = FTDI_SIO_RTS_CTS_HS;
2779 	} else if (I_IXON(tty)) {
2780 		dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2781 		index = FTDI_SIO_XON_XOFF_HS;
2782 		value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2783 	} else {
2784 		dev_dbg(&port->dev, "disabling flow control\n");
2785 		index = FTDI_SIO_DISABLE_FLOW_CTRL;
2786 	}
2787 
2788 	index |= priv->interface;
2789 
2790 	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2791 			FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2792 			FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2793 			value, index, NULL, 0, WDR_TIMEOUT);
2794 	if (ret < 0)
2795 		dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2796 }
2797 
2798 /*
2799  * Get modem-control status.
2800  *
2801  * Returns the number of status bytes retrieved (device dependant), or
2802  * negative error code.
2803  */
2804 static int ftdi_get_modem_status(struct usb_serial_port *port,
2805 						unsigned char status[2])
2806 {
2807 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2808 	unsigned char *buf;
2809 	int len;
2810 	int ret;
2811 
2812 	buf = kmalloc(2, GFP_KERNEL);
2813 	if (!buf)
2814 		return -ENOMEM;
2815 	/*
2816 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2817 	 * the same format as the data returned from the in point.
2818 	 */
2819 	switch (priv->chip_type) {
2820 	case SIO:
2821 		len = 1;
2822 		break;
2823 	case FT8U232AM:
2824 	case FT232BM:
2825 	case FT2232C:
2826 	case FT232RL:
2827 	case FT2232H:
2828 	case FT4232H:
2829 	case FT232H:
2830 	case FTX:
2831 		len = 2;
2832 		break;
2833 	default:
2834 		ret = -EFAULT;
2835 		goto out;
2836 	}
2837 
2838 	ret = usb_control_msg(port->serial->dev,
2839 			usb_rcvctrlpipe(port->serial->dev, 0),
2840 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2841 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2842 			0, priv->interface,
2843 			buf, len, WDR_TIMEOUT);
2844 
2845 	/* NOTE: We allow short responses and handle that below. */
2846 	if (ret < 1) {
2847 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2848 		if (ret >= 0)
2849 			ret = -EIO;
2850 		ret = usb_translate_errors(ret);
2851 		goto out;
2852 	}
2853 
2854 	status[0] = buf[0];
2855 	if (ret > 1)
2856 		status[1] = buf[1];
2857 	else
2858 		status[1] = 0;
2859 
2860 	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2861 								status[1]);
2862 out:
2863 	kfree(buf);
2864 
2865 	return ret;
2866 }
2867 
2868 static int ftdi_tiocmget(struct tty_struct *tty)
2869 {
2870 	struct usb_serial_port *port = tty->driver_data;
2871 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2872 	unsigned char buf[2];
2873 	int ret;
2874 
2875 	ret = ftdi_get_modem_status(port, buf);
2876 	if (ret < 0)
2877 		return ret;
2878 
2879 	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2880 		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2881 		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2882 		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2883 		priv->last_dtr_rts;
2884 
2885 	return ret;
2886 }
2887 
2888 static int ftdi_tiocmset(struct tty_struct *tty,
2889 			unsigned int set, unsigned int clear)
2890 {
2891 	struct usb_serial_port *port = tty->driver_data;
2892 
2893 	return update_mctrl(port, set, clear);
2894 }
2895 
2896 static int ftdi_ioctl(struct tty_struct *tty,
2897 					unsigned int cmd, unsigned long arg)
2898 {
2899 	struct usb_serial_port *port = tty->driver_data;
2900 	void __user *argp = (void __user *)arg;
2901 
2902 	switch (cmd) {
2903 	case TIOCSERGETLSR:
2904 		return get_lsr_info(port, argp);
2905 	default:
2906 		break;
2907 	}
2908 
2909 	return -ENOIOCTLCMD;
2910 }
2911 
2912 module_usb_serial_driver(serial_drivers, id_table_combined);
2913 
2914 MODULE_AUTHOR(DRIVER_AUTHOR);
2915 MODULE_DESCRIPTION(DRIVER_DESC);
2916 MODULE_LICENSE("GPL");
2917 
2918 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2919 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2920