xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision 15b209cd)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * USB FTDI SIO driver
4  *
5  *	Copyright (C) 2009 - 2013
6  *	    Johan Hovold (jhovold@gmail.com)
7  *	Copyright (C) 1999 - 2001
8  *	    Greg Kroah-Hartman (greg@kroah.com)
9  *          Bill Ryder (bryder@sgi.com)
10  *	Copyright (C) 2002
11  *	    Kuba Ober (kuba@mareimbrium.org)
12  *
13  * See Documentation/usb/usb-serial.rst for more information on using this
14  * driver
15  *
16  * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
17  *	and extra documentation
18  *
19  * Change entries from 2004 and earlier can be found in versions of this
20  * file in kernel versions prior to the 2.6.24 release.
21  *
22  */
23 
24 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
25 /* Thanx to FTDI for so kindly providing details of the protocol required */
26 /*   to talk to the device */
27 /* Thanx to gkh and the rest of the usb dev group for all code I have
28    assimilated :-) */
29 
30 #include <linux/kernel.h>
31 #include <linux/errno.h>
32 #include <linux/slab.h>
33 #include <linux/tty.h>
34 #include <linux/tty_driver.h>
35 #include <linux/tty_flip.h>
36 #include <linux/module.h>
37 #include <linux/spinlock.h>
38 #include <linux/mutex.h>
39 #include <linux/uaccess.h>
40 #include <linux/usb.h>
41 #include <linux/serial.h>
42 #include <linux/gpio/driver.h>
43 #include <linux/usb/serial.h>
44 #include "ftdi_sio.h"
45 #include "ftdi_sio_ids.h"
46 
47 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>"
48 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
49 
50 
51 struct ftdi_private {
52 	enum ftdi_chip_type chip_type;
53 				/* type of device, either SIO or FT8U232AM */
54 	int baud_base;		/* baud base clock for divisor setting */
55 	int custom_divisor;	/* custom_divisor kludge, this is for
56 				   baud_base (different from what goes to the
57 				   chip!) */
58 	u16 last_set_data_value; /* the last data state set - needed for doing
59 				  * a break
60 				  */
61 	int flags;		/* some ASYNC_xxxx flags are supported */
62 	unsigned long last_dtr_rts;	/* saved modem control outputs */
63 	char prev_status;        /* Used for TIOCMIWAIT */
64 	char transmit_empty;	/* If transmitter is empty or not */
65 	u16 interface;		/* FT2232C, FT2232H or FT4232H port interface
66 				   (0 for FT232/245) */
67 
68 	speed_t force_baud;	/* if non-zero, force the baud rate to
69 				   this value */
70 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
71 				   be enabled */
72 
73 	unsigned int latency;		/* latency setting in use */
74 	unsigned short max_packet_size;
75 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
76 #ifdef CONFIG_GPIOLIB
77 	struct gpio_chip gc;
78 	struct mutex gpio_lock;	/* protects GPIO state */
79 	bool gpio_registered;	/* is the gpiochip in kernel registered */
80 	bool gpio_used;		/* true if the user requested a gpio */
81 	u8 gpio_altfunc;	/* which pins are in gpio mode */
82 	u8 gpio_output;		/* pin directions cache */
83 	u8 gpio_value;		/* pin value for outputs */
84 #endif
85 };
86 
87 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
88 struct ftdi_sio_quirk {
89 	int (*probe)(struct usb_serial *);
90 	/* Special settings for probed ports. */
91 	void (*port_probe)(struct ftdi_private *);
92 };
93 
94 static int   ftdi_jtag_probe(struct usb_serial *serial);
95 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
96 static int   ftdi_stmclite_probe(struct usb_serial *serial);
97 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
98 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
99 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
100 
101 static const struct ftdi_sio_quirk ftdi_jtag_quirk = {
102 	.probe	= ftdi_jtag_probe,
103 };
104 
105 static const struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
106 	.probe	= ftdi_NDI_device_setup,
107 };
108 
109 static const struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
110 	.port_probe = ftdi_USB_UIRT_setup,
111 };
112 
113 static const struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
114 	.port_probe = ftdi_HE_TIRA1_setup,
115 };
116 
117 static const struct ftdi_sio_quirk ftdi_stmclite_quirk = {
118 	.probe	= ftdi_stmclite_probe,
119 };
120 
121 static const struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
122 	.probe	= ftdi_8u2232c_probe,
123 };
124 
125 /*
126  * The 8U232AM has the same API as the sio except for:
127  * - it can support MUCH higher baudrates; up to:
128  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
129  *   o 230400 at 12MHz
130  *   so .. 8U232AM's baudrate setting codes are different
131  * - it has a two byte status code.
132  * - it returns characters every 16ms (the FTDI does it every 40ms)
133  *
134  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
135  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
136  * combinations in both tables.
137  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
138  * but I don't know if those ever went into mass production. [Ian Abbott]
139  */
140 
141 
142 
143 /*
144  * Device ID not listed? Test it using
145  * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
146  */
147 static const struct usb_device_id id_table_combined[] = {
148 	{ USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
149 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
150 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
151 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
152 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
153 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
154 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
155 	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
156 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
157 	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
158 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
159 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
160 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
161 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
179 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
180 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
187 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
188 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
191 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
192 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
193 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
194 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
195 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
211 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
212 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
213 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
214 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
215 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
216 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
217 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
220 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
221 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
222 	{ USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
485 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
486 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
487 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
488 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
489 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
490 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
491 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
492 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
493 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
494 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
495 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
496 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
497 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
498 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
499 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
500 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
501 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
502 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
503 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
504 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
505 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
506 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
507 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
508 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
509 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
510 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
511 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
512 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
513 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
514 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
515 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
526 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
527 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
528 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
529 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
530 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
531 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
532 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
533 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
534 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
535 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
536 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
537 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
539 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
540 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
541 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
542 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
543 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
544 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
545 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
546 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
547 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
548 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
549 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
550 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
551 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
552 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
553 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
554 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
555 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
556 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
557 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
558 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
559 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
560 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
561 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
562 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
563 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
564 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
565 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
566 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
567 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
568 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
569 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
571 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
572 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
573 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
574 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
575 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
576 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
577 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
581 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
582 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
583 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
584 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
610 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
611 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
612 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
613 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
619 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
621 	/*
622 	 * ELV devices:
623 	 */
624 	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
629 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
630 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
631 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
632 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
633 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
634 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
635 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
636 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
637 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
639 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
640 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
641 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
642 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
643 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
644 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
645 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
646 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
647 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
648 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
649 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
650 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
651 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
652 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
653 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
654 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) },
662 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
663 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
664 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
665 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
666 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
667 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
668 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
673 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
674 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
675 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
676 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
677 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
680 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
682 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
683 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
684 	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
685 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
686 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
687 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
688 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
689 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
690 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
691 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
692 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
693 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
694 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
695 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
696 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
697 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
698 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
699 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
700 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
701 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
702 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
704 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
705 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
706 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
707 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
708 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
709 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
710 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
711 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
712 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
713 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
714 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
715 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
716 	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
717 	{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
718 	{ USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
719 	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
720 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
721 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
723 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
724 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
725 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
726 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
727 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
728 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
729 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
730 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
731 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
732 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
733 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
734 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
735 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
736 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
737 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
738 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
739 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
740 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
741 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
742 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
743 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
744 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
745 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
746 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
747 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
748 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
749 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
750 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
751 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
752 	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
753 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
754 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
755 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
756 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
757 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
758 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
759 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
760 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
761 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
762 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
763 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
764 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
765 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
766 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
767 	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
768 	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
769 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
770 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
771 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
772 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
773 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
774 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
775 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
776 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
777 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
778 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
779 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
780 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
781 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
782 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
783 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
784 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
785 	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
786 	{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
787 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
788 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
789 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
790 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
791 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
792 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
793 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
794 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
795 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
796 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
797 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
798 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
799 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
800 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
801 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
802 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
803 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
804 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
805 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
806 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
807 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
808 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
809 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
810 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
811 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
812 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
813 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
814 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
815 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
816 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
817 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
818 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
819 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
820 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
821 	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
822 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
823 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
824 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
825 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
826 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
827 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
828 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
829 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
830 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
831 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
832 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
833 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
834 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
835 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
836 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
837 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
838 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
839 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
840 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
841 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
842 
843 	/* Papouch devices based on FTDI chip */
844 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
845 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
846 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
847 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
848 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
849 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
850 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
851 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
852 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
853 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
854 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
855 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
856 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
857 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
858 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
859 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
860 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
861 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
862 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
863 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
864 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
865 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
866 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
867 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
868 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
869 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
870 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
871 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
872 
873 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
874 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
875 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
876 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
877 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
878 	{ USB_DEVICE(DE_VID, STB_PID) },
879 	{ USB_DEVICE(DE_VID, WHT_PID) },
880 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
881 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
882 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
883 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
884 	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
885 					USB_CLASS_VENDOR_SPEC,
886 					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
887 	{ USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
888 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
889 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
890 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
891 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
892 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
893 	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
894 	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
895 	{ USB_DEVICE(PI_VID, PI_C866_PID) },
896 	{ USB_DEVICE(PI_VID, PI_C663_PID) },
897 	{ USB_DEVICE(PI_VID, PI_C725_PID) },
898 	{ USB_DEVICE(PI_VID, PI_E517_PID) },
899 	{ USB_DEVICE(PI_VID, PI_C863_PID) },
900 	{ USB_DEVICE(PI_VID, PI_E861_PID) },
901 	{ USB_DEVICE(PI_VID, PI_C867_PID) },
902 	{ USB_DEVICE(PI_VID, PI_E609_PID) },
903 	{ USB_DEVICE(PI_VID, PI_E709_PID) },
904 	{ USB_DEVICE(PI_VID, PI_100F_PID) },
905 	{ USB_DEVICE(PI_VID, PI_1011_PID) },
906 	{ USB_DEVICE(PI_VID, PI_1012_PID) },
907 	{ USB_DEVICE(PI_VID, PI_1013_PID) },
908 	{ USB_DEVICE(PI_VID, PI_1014_PID) },
909 	{ USB_DEVICE(PI_VID, PI_1015_PID) },
910 	{ USB_DEVICE(PI_VID, PI_1016_PID) },
911 	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
912 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
913 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
914 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
915 	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
916 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
917 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
918 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
919 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
920 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
921 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
922 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
923 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
924 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
925 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
926 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
927 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
928 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
929 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
930 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
931 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
932 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
933 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
934 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
935 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
936 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
937 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
938 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
939 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
940 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
941 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
942 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
943 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
944 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
945 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
946 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
947 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
948 	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
949 	{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
950 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
951 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
952 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
953 	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
954 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
955 	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
956 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
957 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
958 	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
959 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
960 	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
961 	/* Crucible Devices */
962 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
963 	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
964 	/* Cressi Devices */
965 	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
966 	/* Brainboxes Devices */
967 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
968 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
969 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
970 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
971 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
972 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_159_PID) },
973 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
974 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
975 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
976 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
977 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
978 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
979 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
980 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
981 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_235_PID) },
982 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
983 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
984 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
985 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
986 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
987 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
988 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_320_PID) },
989 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
990 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
991 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
992 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
993 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
994 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
995 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
996 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
997 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
998 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
999 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
1000 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
1001 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
1002 	/* ekey Devices */
1003 	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
1004 	/* Infineon Devices */
1005 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
1006 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
1007 	/* GE Healthcare devices */
1008 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
1009 	/* Active Research (Actisense) devices */
1010 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
1011 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
1012 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
1013 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
1014 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
1015 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
1016 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
1017 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
1018 	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1019 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1020 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1021 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1022 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1023 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1024 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1025 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1026 	/* Belimo Automation devices */
1027 	{ USB_DEVICE(FTDI_VID, BELIMO_ZTH_PID) },
1028 	{ USB_DEVICE(FTDI_VID, BELIMO_ZIP_PID) },
1029 	/* ICP DAS I-756xU devices */
1030 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1031 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1032 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1033 	{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
1034 	{ USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
1035 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1036 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
1037 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
1038 	{ USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
1039 	/* EZPrototypes devices */
1040 	{ USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
1041 	{ USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
1042 	/* Sienna devices */
1043 	{ USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
1044 	{ USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
1045 	/* IDS GmbH devices */
1046 	{ USB_DEVICE(IDS_VID, IDS_SI31A_PID) },
1047 	{ USB_DEVICE(IDS_VID, IDS_CM31A_PID) },
1048 	/* Omron devices */
1049 	{ USB_DEVICE(OMRON_VID, OMRON_CS1W_CIF31_PID) },
1050 	/* U-Blox devices */
1051 	{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
1052 	{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
1053 	/* FreeCalypso USB adapters */
1054 	{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
1055 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1056 	{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
1057 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1058 	{ }					/* Terminating entry */
1059 };
1060 
1061 MODULE_DEVICE_TABLE(usb, id_table_combined);
1062 
1063 static const char *ftdi_chip_name[] = {
1064 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
1065 	[FT8U232AM] = "FT8U232AM",
1066 	[FT232BM] = "FT232BM",
1067 	[FT2232C] = "FT2232C",
1068 	[FT232RL] = "FT232RL",
1069 	[FT2232H] = "FT2232H",
1070 	[FT4232H] = "FT4232H",
1071 	[FT232H]  = "FT232H",
1072 	[FTX]     = "FT-X"
1073 };
1074 
1075 
1076 /* Used for TIOCMIWAIT */
1077 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1078 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1079 /* End TIOCMIWAIT */
1080 
1081 /* function prototypes for a FTDI serial converter */
1082 static int  ftdi_sio_probe(struct usb_serial *serial,
1083 					const struct usb_device_id *id);
1084 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
1085 static void ftdi_sio_port_remove(struct usb_serial_port *port);
1086 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
1087 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
1088 static void ftdi_process_read_urb(struct urb *urb);
1089 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1090 						void *dest, size_t size);
1091 static void ftdi_set_termios(struct tty_struct *tty,
1092 			struct usb_serial_port *port, struct ktermios *old);
1093 static int  ftdi_tiocmget(struct tty_struct *tty);
1094 static int  ftdi_tiocmset(struct tty_struct *tty,
1095 			unsigned int set, unsigned int clear);
1096 static int  ftdi_ioctl(struct tty_struct *tty,
1097 			unsigned int cmd, unsigned long arg);
1098 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss);
1099 static int set_serial_info(struct tty_struct *tty,
1100 				struct serial_struct *ss);
1101 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1102 static bool ftdi_tx_empty(struct usb_serial_port *port);
1103 static int ftdi_get_modem_status(struct usb_serial_port *port,
1104 						unsigned char status[2]);
1105 
1106 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1107 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1108 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1109 static u32 ftdi_232bm_baud_to_divisor(int baud);
1110 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1111 static u32 ftdi_2232h_baud_to_divisor(int baud);
1112 
1113 static struct usb_serial_driver ftdi_sio_device = {
1114 	.driver = {
1115 		.owner =	THIS_MODULE,
1116 		.name =		"ftdi_sio",
1117 	},
1118 	.description =		"FTDI USB Serial Device",
1119 	.id_table =		id_table_combined,
1120 	.num_ports =		1,
1121 	.bulk_in_size =		512,
1122 	.bulk_out_size =	256,
1123 	.probe =		ftdi_sio_probe,
1124 	.port_probe =		ftdi_sio_port_probe,
1125 	.port_remove =		ftdi_sio_port_remove,
1126 	.open =			ftdi_open,
1127 	.dtr_rts =		ftdi_dtr_rts,
1128 	.throttle =		usb_serial_generic_throttle,
1129 	.unthrottle =		usb_serial_generic_unthrottle,
1130 	.process_read_urb =	ftdi_process_read_urb,
1131 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
1132 	.tiocmget =		ftdi_tiocmget,
1133 	.tiocmset =		ftdi_tiocmset,
1134 	.tiocmiwait =		usb_serial_generic_tiocmiwait,
1135 	.get_icount =           usb_serial_generic_get_icount,
1136 	.ioctl =		ftdi_ioctl,
1137 	.get_serial =		get_serial_info,
1138 	.set_serial =		set_serial_info,
1139 	.set_termios =		ftdi_set_termios,
1140 	.break_ctl =		ftdi_break_ctl,
1141 	.tx_empty =		ftdi_tx_empty,
1142 };
1143 
1144 static struct usb_serial_driver * const serial_drivers[] = {
1145 	&ftdi_sio_device, NULL
1146 };
1147 
1148 
1149 #define WDR_TIMEOUT 5000 /* default urb timeout */
1150 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1151 
1152 /*
1153  * ***************************************************************************
1154  * Utility functions
1155  * ***************************************************************************
1156  */
1157 
1158 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1159 {
1160 	unsigned short int divisor;
1161 	/* divisor shifted 3 bits to the left */
1162 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1163 	if ((divisor3 & 0x7) == 7)
1164 		divisor3++; /* round x.7/8 up to x+1 */
1165 	divisor = divisor3 >> 3;
1166 	divisor3 &= 0x7;
1167 	if (divisor3 == 1)
1168 		divisor |= 0xc000;	/* +0.125 */
1169 	else if (divisor3 >= 4)
1170 		divisor |= 0x4000;	/* +0.5 */
1171 	else if (divisor3 != 0)
1172 		divisor |= 0x8000;	/* +0.25 */
1173 	else if (divisor == 1)
1174 		divisor = 0;		/* special case for maximum baud rate */
1175 	return divisor;
1176 }
1177 
1178 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1179 {
1180 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1181 }
1182 
1183 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1184 {
1185 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1186 	u32 divisor;
1187 	/* divisor shifted 3 bits to the left */
1188 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1189 	divisor = divisor3 >> 3;
1190 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1191 	/* Deal with special cases for highest baud rates. */
1192 	if (divisor == 1)		/* 1.0 */
1193 		divisor = 0;
1194 	else if (divisor == 0x4001)	/* 1.5 */
1195 		divisor = 1;
1196 	return divisor;
1197 }
1198 
1199 static u32 ftdi_232bm_baud_to_divisor(int baud)
1200 {
1201 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1202 }
1203 
1204 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1205 {
1206 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1207 	u32 divisor;
1208 	int divisor3;
1209 
1210 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1211 	divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1212 
1213 	divisor = divisor3 >> 3;
1214 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1215 	/* Deal with special cases for highest baud rates. */
1216 	if (divisor == 1)		/* 1.0 */
1217 		divisor = 0;
1218 	else if (divisor == 0x4001)	/* 1.5 */
1219 		divisor = 1;
1220 	/*
1221 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1222 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1223 	 * baud with this bit set
1224 	 */
1225 	divisor |= 0x00020000;
1226 	return divisor;
1227 }
1228 
1229 static u32 ftdi_2232h_baud_to_divisor(int baud)
1230 {
1231 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1232 }
1233 
1234 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1235 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1236 
1237 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1238 							unsigned int clear)
1239 {
1240 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1241 	struct device *dev = &port->dev;
1242 	unsigned value;
1243 	int rv;
1244 
1245 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1246 		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1247 		return 0;	/* no change */
1248 	}
1249 
1250 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1251 	value = 0;
1252 	if (clear & TIOCM_DTR)
1253 		value |= FTDI_SIO_SET_DTR_LOW;
1254 	if (clear & TIOCM_RTS)
1255 		value |= FTDI_SIO_SET_RTS_LOW;
1256 	if (set & TIOCM_DTR)
1257 		value |= FTDI_SIO_SET_DTR_HIGH;
1258 	if (set & TIOCM_RTS)
1259 		value |= FTDI_SIO_SET_RTS_HIGH;
1260 	rv = usb_control_msg(port->serial->dev,
1261 			       usb_sndctrlpipe(port->serial->dev, 0),
1262 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1263 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1264 			       value, priv->interface,
1265 			       NULL, 0, WDR_TIMEOUT);
1266 	if (rv < 0) {
1267 		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1268 			__func__,
1269 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1270 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1271 		rv = usb_translate_errors(rv);
1272 	} else {
1273 		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1274 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1275 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1276 		/* FIXME: locking on last_dtr_rts */
1277 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1278 	}
1279 	return rv;
1280 }
1281 
1282 
1283 static u32 get_ftdi_divisor(struct tty_struct *tty,
1284 						struct usb_serial_port *port)
1285 {
1286 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1287 	struct device *dev = &port->dev;
1288 	u32 div_value = 0;
1289 	int div_okay = 1;
1290 	int baud;
1291 
1292 	baud = tty_get_baud_rate(tty);
1293 	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1294 
1295 	/*
1296 	 * Observe deprecated async-compatible custom_divisor hack, update
1297 	 * baudrate if needed.
1298 	 */
1299 	if (baud == 38400 &&
1300 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1301 	     (priv->custom_divisor)) {
1302 		baud = priv->baud_base / priv->custom_divisor;
1303 		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1304 			__func__, priv->custom_divisor, baud);
1305 	}
1306 
1307 	if (!baud)
1308 		baud = 9600;
1309 	switch (priv->chip_type) {
1310 	case SIO: /* SIO chip */
1311 		switch (baud) {
1312 		case 300: div_value = ftdi_sio_b300; break;
1313 		case 600: div_value = ftdi_sio_b600; break;
1314 		case 1200: div_value = ftdi_sio_b1200; break;
1315 		case 2400: div_value = ftdi_sio_b2400; break;
1316 		case 4800: div_value = ftdi_sio_b4800; break;
1317 		case 9600: div_value = ftdi_sio_b9600; break;
1318 		case 19200: div_value = ftdi_sio_b19200; break;
1319 		case 38400: div_value = ftdi_sio_b38400; break;
1320 		case 57600: div_value = ftdi_sio_b57600;  break;
1321 		case 115200: div_value = ftdi_sio_b115200; break;
1322 		} /* baud */
1323 		if (div_value == 0) {
1324 			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1325 				__func__,  baud);
1326 			div_value = ftdi_sio_b9600;
1327 			baud = 9600;
1328 			div_okay = 0;
1329 		}
1330 		break;
1331 	case FT8U232AM: /* 8U232AM chip */
1332 		if (baud <= 3000000) {
1333 			div_value = ftdi_232am_baud_to_divisor(baud);
1334 		} else {
1335 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1336 			baud = 9600;
1337 			div_value = ftdi_232am_baud_to_divisor(9600);
1338 			div_okay = 0;
1339 		}
1340 		break;
1341 	case FT232BM: /* FT232BM chip */
1342 	case FT2232C: /* FT2232C chip */
1343 	case FT232RL: /* FT232RL chip */
1344 	case FTX:     /* FT-X series */
1345 		if (baud <= 3000000) {
1346 			u16 product_id = le16_to_cpu(
1347 				port->serial->dev->descriptor.idProduct);
1348 			if (((product_id == FTDI_NDI_HUC_PID)		||
1349 			     (product_id == FTDI_NDI_SPECTRA_SCU_PID)	||
1350 			     (product_id == FTDI_NDI_FUTURE_2_PID)	||
1351 			     (product_id == FTDI_NDI_FUTURE_3_PID)	||
1352 			     (product_id == FTDI_NDI_AURORA_SCU_PID))	&&
1353 			    (baud == 19200)) {
1354 				baud = 1200000;
1355 			}
1356 			div_value = ftdi_232bm_baud_to_divisor(baud);
1357 		} else {
1358 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1359 			div_value = ftdi_232bm_baud_to_divisor(9600);
1360 			div_okay = 0;
1361 			baud = 9600;
1362 		}
1363 		break;
1364 	case FT2232H: /* FT2232H chip */
1365 	case FT4232H: /* FT4232H chip */
1366 	case FT232H:  /* FT232H chip */
1367 		if ((baud <= 12000000) && (baud >= 1200)) {
1368 			div_value = ftdi_2232h_baud_to_divisor(baud);
1369 		} else if (baud < 1200) {
1370 			div_value = ftdi_232bm_baud_to_divisor(baud);
1371 		} else {
1372 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1373 			div_value = ftdi_232bm_baud_to_divisor(9600);
1374 			div_okay = 0;
1375 			baud = 9600;
1376 		}
1377 		break;
1378 	} /* priv->chip_type */
1379 
1380 	if (div_okay) {
1381 		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1382 			__func__, baud, (unsigned long)div_value,
1383 			ftdi_chip_name[priv->chip_type]);
1384 	}
1385 
1386 	tty_encode_baud_rate(tty, baud, baud);
1387 	return div_value;
1388 }
1389 
1390 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1391 {
1392 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1393 	u16 value;
1394 	u16 index;
1395 	u32 index_value;
1396 	int rv;
1397 
1398 	index_value = get_ftdi_divisor(tty, port);
1399 	value = (u16)index_value;
1400 	index = (u16)(index_value >> 16);
1401 	if (priv->chip_type == FT2232C || priv->chip_type == FT2232H ||
1402 			priv->chip_type == FT4232H || priv->chip_type == FT232H ||
1403 			priv->chip_type == FTX) {
1404 		/* Probably the BM type needs the MSB of the encoded fractional
1405 		 * divider also moved like for the chips above. Any infos? */
1406 		index = (u16)((index << 8) | priv->interface);
1407 	}
1408 
1409 	rv = usb_control_msg(port->serial->dev,
1410 			    usb_sndctrlpipe(port->serial->dev, 0),
1411 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1412 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1413 			    value, index,
1414 			    NULL, 0, WDR_SHORT_TIMEOUT);
1415 	return rv;
1416 }
1417 
1418 static int write_latency_timer(struct usb_serial_port *port)
1419 {
1420 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1421 	struct usb_device *udev = port->serial->dev;
1422 	int rv;
1423 	int l = priv->latency;
1424 
1425 	if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1426 		return -EINVAL;
1427 
1428 	if (priv->flags & ASYNC_LOW_LATENCY)
1429 		l = 1;
1430 
1431 	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1432 
1433 	rv = usb_control_msg(udev,
1434 			     usb_sndctrlpipe(udev, 0),
1435 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1436 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1437 			     l, priv->interface,
1438 			     NULL, 0, WDR_TIMEOUT);
1439 	if (rv < 0)
1440 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1441 	return rv;
1442 }
1443 
1444 static int _read_latency_timer(struct usb_serial_port *port)
1445 {
1446 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1447 	struct usb_device *udev = port->serial->dev;
1448 	u8 buf;
1449 	int rv;
1450 
1451 	rv = usb_control_msg_recv(udev, 0, FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1452 				  FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 0,
1453 				  priv->interface, &buf, 1, WDR_TIMEOUT,
1454 				  GFP_KERNEL);
1455 	if (rv == 0)
1456 		rv = buf;
1457 
1458 	return rv;
1459 }
1460 
1461 static int read_latency_timer(struct usb_serial_port *port)
1462 {
1463 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1464 	int rv;
1465 
1466 	if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1467 		return -EINVAL;
1468 
1469 	rv = _read_latency_timer(port);
1470 	if (rv < 0) {
1471 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1472 		return rv;
1473 	}
1474 
1475 	priv->latency = rv;
1476 
1477 	return 0;
1478 }
1479 
1480 static void get_serial_info(struct tty_struct *tty, 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 
1485 	ss->flags = priv->flags;
1486 	ss->baud_base = priv->baud_base;
1487 	ss->custom_divisor = priv->custom_divisor;
1488 }
1489 
1490 static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1491 {
1492 	struct usb_serial_port *port = tty->driver_data;
1493 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1494 	int old_flags, old_divisor;
1495 
1496 	mutex_lock(&priv->cfg_lock);
1497 
1498 	if (!capable(CAP_SYS_ADMIN)) {
1499 		if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1500 			mutex_unlock(&priv->cfg_lock);
1501 			return -EPERM;
1502 		}
1503 	}
1504 
1505 	old_flags = priv->flags;
1506 	old_divisor = priv->custom_divisor;
1507 
1508 	priv->flags = ss->flags & ASYNC_FLAGS;
1509 	priv->custom_divisor = ss->custom_divisor;
1510 
1511 	write_latency_timer(port);
1512 
1513 	if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK ||
1514 			((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1515 			 priv->custom_divisor != old_divisor)) {
1516 
1517 		/* warn about deprecation unless clearing */
1518 		if (priv->flags & ASYNC_SPD_MASK)
1519 			dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1520 
1521 		change_speed(tty, port);
1522 	}
1523 	mutex_unlock(&priv->cfg_lock);
1524 	return 0;
1525 }
1526 
1527 static int get_lsr_info(struct usb_serial_port *port,
1528 			unsigned int __user *retinfo)
1529 {
1530 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1531 	unsigned int result = 0;
1532 
1533 	if (priv->transmit_empty)
1534 		result = TIOCSER_TEMT;
1535 
1536 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1537 		return -EFAULT;
1538 	return 0;
1539 }
1540 
1541 
1542 /* Determine type of FTDI chip based on USB config and descriptor. */
1543 static void ftdi_determine_type(struct usb_serial_port *port)
1544 {
1545 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1546 	struct usb_serial *serial = port->serial;
1547 	struct usb_device *udev = serial->dev;
1548 	unsigned version;
1549 	unsigned interfaces;
1550 
1551 	/* Assume it is not the original SIO device for now. */
1552 	priv->baud_base = 48000000 / 2;
1553 
1554 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1555 	interfaces = udev->actconfig->desc.bNumInterfaces;
1556 	dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1557 		version, interfaces);
1558 	if (interfaces > 1) {
1559 		struct usb_interface *intf = serial->interface;
1560 		int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
1561 
1562 		/* Multiple interfaces.*/
1563 		if (version == 0x0800) {
1564 			priv->chip_type = FT4232H;
1565 			/* Hi-speed - baud clock runs at 120MHz */
1566 			priv->baud_base = 120000000 / 2;
1567 		} else if (version == 0x0700) {
1568 			priv->chip_type = FT2232H;
1569 			/* Hi-speed - baud clock runs at 120MHz */
1570 			priv->baud_base = 120000000 / 2;
1571 		} else
1572 			priv->chip_type = FT2232C;
1573 
1574 		/* Determine interface code. */
1575 		if (ifnum == 0)
1576 			priv->interface = INTERFACE_A;
1577 		else if (ifnum == 1)
1578 			priv->interface = INTERFACE_B;
1579 		else if (ifnum == 2)
1580 			priv->interface = INTERFACE_C;
1581 		else if (ifnum == 3)
1582 			priv->interface = INTERFACE_D;
1583 
1584 		/* BM-type devices have a bug where bcdDevice gets set
1585 		 * to 0x200 when iSerialNumber is 0.  */
1586 		if (version < 0x500) {
1587 			dev_dbg(&port->dev,
1588 				"%s: something fishy - bcdDevice too low for multi-interface device\n",
1589 				__func__);
1590 		}
1591 	} else if (version < 0x200) {
1592 		/* Old device.  Assume it's the original SIO. */
1593 		priv->chip_type = SIO;
1594 		priv->baud_base = 12000000 / 16;
1595 	} else if (version < 0x400) {
1596 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1597 		priv->chip_type = FT8U232AM;
1598 		/*
1599 		 * It might be a BM type because of the iSerialNumber bug.
1600 		 * If iSerialNumber==0 and the latency timer is readable,
1601 		 * assume it is BM type.
1602 		 */
1603 		if (udev->descriptor.iSerialNumber == 0 &&
1604 				_read_latency_timer(port) >= 0) {
1605 			dev_dbg(&port->dev,
1606 				"%s: has latency timer so not an AM type\n",
1607 				__func__);
1608 			priv->chip_type = FT232BM;
1609 		}
1610 	} else if (version < 0x600) {
1611 		/* Assume it's an FT232BM (or FT245BM) */
1612 		priv->chip_type = FT232BM;
1613 	} else if (version < 0x900) {
1614 		/* Assume it's an FT232RL */
1615 		priv->chip_type = FT232RL;
1616 	} else if (version < 0x1000) {
1617 		/* Assume it's an FT232H */
1618 		priv->chip_type = FT232H;
1619 	} else {
1620 		/* Assume it's an FT-X series device */
1621 		priv->chip_type = FTX;
1622 	}
1623 
1624 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1625 }
1626 
1627 
1628 /*
1629  * Determine the maximum packet size for the device. This depends on the chip
1630  * type and the USB host capabilities. The value should be obtained from the
1631  * device descriptor as the chip will use the appropriate values for the host.
1632  */
1633 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1634 {
1635 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1636 	struct usb_interface *interface = port->serial->interface;
1637 	struct usb_endpoint_descriptor *ep_desc;
1638 	unsigned num_endpoints;
1639 	unsigned i;
1640 
1641 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1642 	if (!num_endpoints)
1643 		return;
1644 
1645 	/*
1646 	 * NOTE: Some customers have programmed FT232R/FT245R devices
1647 	 * with an endpoint size of 0 - not good. In this case, we
1648 	 * want to override the endpoint descriptor setting and use a
1649 	 * value of 64 for wMaxPacketSize.
1650 	 */
1651 	for (i = 0; i < num_endpoints; i++) {
1652 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1653 		if (!ep_desc->wMaxPacketSize) {
1654 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1655 			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1656 					usb_endpoint_num(ep_desc));
1657 		}
1658 	}
1659 
1660 	/* Set max packet size based on last descriptor. */
1661 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1662 }
1663 
1664 
1665 /*
1666  * ***************************************************************************
1667  * Sysfs Attribute
1668  * ***************************************************************************
1669  */
1670 
1671 static ssize_t latency_timer_show(struct device *dev,
1672 				  struct device_attribute *attr, char *buf)
1673 {
1674 	struct usb_serial_port *port = to_usb_serial_port(dev);
1675 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1676 	if (priv->flags & ASYNC_LOW_LATENCY)
1677 		return sprintf(buf, "1\n");
1678 	else
1679 		return sprintf(buf, "%u\n", priv->latency);
1680 }
1681 
1682 /* Write a new value of the latency timer, in units of milliseconds. */
1683 static ssize_t latency_timer_store(struct device *dev,
1684 				   struct device_attribute *attr,
1685 				   const char *valbuf, size_t count)
1686 {
1687 	struct usb_serial_port *port = to_usb_serial_port(dev);
1688 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1689 	u8 v;
1690 	int rv;
1691 
1692 	if (kstrtou8(valbuf, 10, &v))
1693 		return -EINVAL;
1694 
1695 	priv->latency = v;
1696 	rv = write_latency_timer(port);
1697 	if (rv < 0)
1698 		return -EIO;
1699 	return count;
1700 }
1701 static DEVICE_ATTR_RW(latency_timer);
1702 
1703 /* Write an event character directly to the FTDI register.  The ASCII
1704    value is in the low 8 bits, with the enable bit in the 9th bit. */
1705 static ssize_t event_char_store(struct device *dev,
1706 	struct device_attribute *attr, const char *valbuf, size_t count)
1707 {
1708 	struct usb_serial_port *port = to_usb_serial_port(dev);
1709 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1710 	struct usb_device *udev = port->serial->dev;
1711 	unsigned int v;
1712 	int rv;
1713 
1714 	if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1715 		return -EINVAL;
1716 
1717 	dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1718 
1719 	rv = usb_control_msg(udev,
1720 			     usb_sndctrlpipe(udev, 0),
1721 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1722 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1723 			     v, priv->interface,
1724 			     NULL, 0, WDR_TIMEOUT);
1725 	if (rv < 0) {
1726 		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1727 		return -EIO;
1728 	}
1729 
1730 	return count;
1731 }
1732 static DEVICE_ATTR_WO(event_char);
1733 
1734 static int create_sysfs_attrs(struct usb_serial_port *port)
1735 {
1736 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1737 	int retval = 0;
1738 
1739 	/* XXX I've no idea if the original SIO supports the event_char
1740 	 * sysfs parameter, so I'm playing it safe.  */
1741 	if (priv->chip_type != SIO) {
1742 		dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1743 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1744 		if ((!retval) &&
1745 		    (priv->chip_type == FT232BM ||
1746 		     priv->chip_type == FT2232C ||
1747 		     priv->chip_type == FT232RL ||
1748 		     priv->chip_type == FT2232H ||
1749 		     priv->chip_type == FT4232H ||
1750 		     priv->chip_type == FT232H ||
1751 		     priv->chip_type == FTX)) {
1752 			retval = device_create_file(&port->dev,
1753 						    &dev_attr_latency_timer);
1754 		}
1755 	}
1756 	return retval;
1757 }
1758 
1759 static void remove_sysfs_attrs(struct usb_serial_port *port)
1760 {
1761 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1762 
1763 	/* XXX see create_sysfs_attrs */
1764 	if (priv->chip_type != SIO) {
1765 		device_remove_file(&port->dev, &dev_attr_event_char);
1766 		if (priv->chip_type == FT232BM ||
1767 		    priv->chip_type == FT2232C ||
1768 		    priv->chip_type == FT232RL ||
1769 		    priv->chip_type == FT2232H ||
1770 		    priv->chip_type == FT4232H ||
1771 		    priv->chip_type == FT232H ||
1772 		    priv->chip_type == FTX) {
1773 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1774 		}
1775 	}
1776 
1777 }
1778 
1779 #ifdef CONFIG_GPIOLIB
1780 
1781 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1782 {
1783 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1784 	struct usb_serial *serial = port->serial;
1785 	int result;
1786 	u16 val;
1787 
1788 	result = usb_autopm_get_interface(serial->interface);
1789 	if (result)
1790 		return result;
1791 
1792 	val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1793 	result = usb_control_msg(serial->dev,
1794 				 usb_sndctrlpipe(serial->dev, 0),
1795 				 FTDI_SIO_SET_BITMODE_REQUEST,
1796 				 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1797 				 priv->interface, NULL, 0, WDR_TIMEOUT);
1798 	if (result < 0) {
1799 		dev_err(&serial->interface->dev,
1800 			"bitmode request failed for value 0x%04x: %d\n",
1801 			val, result);
1802 	}
1803 
1804 	usb_autopm_put_interface(serial->interface);
1805 
1806 	return result;
1807 }
1808 
1809 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1810 {
1811 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1812 }
1813 
1814 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1815 {
1816 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1817 
1818 	priv->gpio_output = 0;
1819 	priv->gpio_value = 0;
1820 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1821 }
1822 
1823 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1824 {
1825 	struct usb_serial_port *port = gpiochip_get_data(gc);
1826 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1827 	int result;
1828 
1829 	mutex_lock(&priv->gpio_lock);
1830 	if (!priv->gpio_used) {
1831 		/* Set default pin states, as we cannot get them from device */
1832 		priv->gpio_output = 0x00;
1833 		priv->gpio_value = 0x00;
1834 		result = ftdi_set_cbus_pins(port);
1835 		if (result) {
1836 			mutex_unlock(&priv->gpio_lock);
1837 			return result;
1838 		}
1839 
1840 		priv->gpio_used = true;
1841 	}
1842 	mutex_unlock(&priv->gpio_lock);
1843 
1844 	return 0;
1845 }
1846 
1847 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1848 {
1849 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1850 	struct usb_serial *serial = port->serial;
1851 	u8 buf;
1852 	int result;
1853 
1854 	result = usb_autopm_get_interface(serial->interface);
1855 	if (result)
1856 		return result;
1857 
1858 	result = usb_control_msg_recv(serial->dev, 0,
1859 				      FTDI_SIO_READ_PINS_REQUEST,
1860 				      FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1861 				      priv->interface, &buf, 1, WDR_TIMEOUT,
1862 				      GFP_KERNEL);
1863 	if (result == 0)
1864 		result = buf;
1865 
1866 	usb_autopm_put_interface(serial->interface);
1867 
1868 	return result;
1869 }
1870 
1871 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1872 {
1873 	struct usb_serial_port *port = gpiochip_get_data(gc);
1874 	int result;
1875 
1876 	result = ftdi_read_cbus_pins(port);
1877 	if (result < 0)
1878 		return result;
1879 
1880 	return !!(result & BIT(gpio));
1881 }
1882 
1883 static void ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1884 {
1885 	struct usb_serial_port *port = gpiochip_get_data(gc);
1886 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1887 
1888 	mutex_lock(&priv->gpio_lock);
1889 
1890 	if (value)
1891 		priv->gpio_value |= BIT(gpio);
1892 	else
1893 		priv->gpio_value &= ~BIT(gpio);
1894 
1895 	ftdi_set_cbus_pins(port);
1896 
1897 	mutex_unlock(&priv->gpio_lock);
1898 }
1899 
1900 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1901 					unsigned long *bits)
1902 {
1903 	struct usb_serial_port *port = gpiochip_get_data(gc);
1904 	int result;
1905 
1906 	result = ftdi_read_cbus_pins(port);
1907 	if (result < 0)
1908 		return result;
1909 
1910 	*bits = result & *mask;
1911 
1912 	return 0;
1913 }
1914 
1915 static void ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1916 					unsigned long *bits)
1917 {
1918 	struct usb_serial_port *port = gpiochip_get_data(gc);
1919 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1920 
1921 	mutex_lock(&priv->gpio_lock);
1922 
1923 	priv->gpio_value &= ~(*mask);
1924 	priv->gpio_value |= *bits & *mask;
1925 	ftdi_set_cbus_pins(port);
1926 
1927 	mutex_unlock(&priv->gpio_lock);
1928 }
1929 
1930 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1931 {
1932 	struct usb_serial_port *port = gpiochip_get_data(gc);
1933 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1934 
1935 	return !(priv->gpio_output & BIT(gpio));
1936 }
1937 
1938 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1939 {
1940 	struct usb_serial_port *port = gpiochip_get_data(gc);
1941 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1942 	int result;
1943 
1944 	mutex_lock(&priv->gpio_lock);
1945 
1946 	priv->gpio_output &= ~BIT(gpio);
1947 	result = ftdi_set_cbus_pins(port);
1948 
1949 	mutex_unlock(&priv->gpio_lock);
1950 
1951 	return result;
1952 }
1953 
1954 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1955 					int value)
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 	if (value)
1965 		priv->gpio_value |= BIT(gpio);
1966 	else
1967 		priv->gpio_value &= ~BIT(gpio);
1968 
1969 	result = ftdi_set_cbus_pins(port);
1970 
1971 	mutex_unlock(&priv->gpio_lock);
1972 
1973 	return result;
1974 }
1975 
1976 static int ftdi_gpio_init_valid_mask(struct gpio_chip *gc,
1977 				     unsigned long *valid_mask,
1978 				     unsigned int ngpios)
1979 {
1980 	struct usb_serial_port *port = gpiochip_get_data(gc);
1981 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1982 	unsigned long map = priv->gpio_altfunc;
1983 
1984 	bitmap_complement(valid_mask, &map, ngpios);
1985 
1986 	if (bitmap_empty(valid_mask, ngpios))
1987 		dev_dbg(&port->dev, "no CBUS pin configured for GPIO\n");
1988 	else
1989 		dev_dbg(&port->dev, "CBUS%*pbl configured for GPIO\n", ngpios,
1990 			valid_mask);
1991 
1992 	return 0;
1993 }
1994 
1995 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
1996 				u16 nbytes)
1997 {
1998 	int read = 0;
1999 
2000 	if (addr % 2 != 0)
2001 		return -EINVAL;
2002 	if (nbytes % 2 != 0)
2003 		return -EINVAL;
2004 
2005 	/* Read EEPROM two bytes at a time */
2006 	while (read < nbytes) {
2007 		int rv;
2008 
2009 		rv = usb_control_msg(serial->dev,
2010 				     usb_rcvctrlpipe(serial->dev, 0),
2011 				     FTDI_SIO_READ_EEPROM_REQUEST,
2012 				     FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
2013 				     0, (addr + read) / 2, dst + read, 2,
2014 				     WDR_TIMEOUT);
2015 		if (rv < 2) {
2016 			if (rv >= 0)
2017 				return -EIO;
2018 			else
2019 				return rv;
2020 		}
2021 
2022 		read += rv;
2023 	}
2024 
2025 	return 0;
2026 }
2027 
2028 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
2029 {
2030 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2031 	u16 cbus_config;
2032 	u8 *buf;
2033 	int ret;
2034 	int i;
2035 
2036 	buf = kmalloc(4, GFP_KERNEL);
2037 	if (!buf)
2038 		return -ENOMEM;
2039 
2040 	ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
2041 	if (ret < 0)
2042 		goto out_free;
2043 
2044 	/*
2045 	 * FT232H CBUS Memory Map
2046 	 *
2047 	 * 0x1a: X- (upper nibble -> AC5)
2048 	 * 0x1b: -X (lower nibble -> AC6)
2049 	 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2050 	 */
2051 	cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2052 
2053 	priv->gc.ngpio = 4;
2054 	priv->gpio_altfunc = 0xff;
2055 
2056 	for (i = 0; i < priv->gc.ngpio; ++i) {
2057 		if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2058 			priv->gpio_altfunc &= ~BIT(i);
2059 		cbus_config >>= 4;
2060 	}
2061 
2062 out_free:
2063 	kfree(buf);
2064 
2065 	return ret;
2066 }
2067 
2068 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2069 {
2070 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2071 	u16 cbus_config;
2072 	u8 *buf;
2073 	int ret;
2074 	int i;
2075 
2076 	buf = kmalloc(2, GFP_KERNEL);
2077 	if (!buf)
2078 		return -ENOMEM;
2079 
2080 	ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2081 	if (ret < 0)
2082 		goto out_free;
2083 
2084 	cbus_config = le16_to_cpup((__le16 *)buf);
2085 	dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2086 
2087 	priv->gc.ngpio = 4;
2088 
2089 	priv->gpio_altfunc = 0xff;
2090 	for (i = 0; i < priv->gc.ngpio; ++i) {
2091 		if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2092 			priv->gpio_altfunc &= ~BIT(i);
2093 		cbus_config >>= 4;
2094 	}
2095 out_free:
2096 	kfree(buf);
2097 
2098 	return ret;
2099 }
2100 
2101 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2102 {
2103 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2104 	struct usb_serial *serial = port->serial;
2105 	const u16 cbus_cfg_addr = 0x1a;
2106 	const u16 cbus_cfg_size = 4;
2107 	u8 *cbus_cfg_buf;
2108 	int result;
2109 	u8 i;
2110 
2111 	cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2112 	if (!cbus_cfg_buf)
2113 		return -ENOMEM;
2114 
2115 	result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2116 				  cbus_cfg_addr, cbus_cfg_size);
2117 	if (result < 0)
2118 		goto out_free;
2119 
2120 	/* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2121 	priv->gc.ngpio = 4;
2122 
2123 	/* Determine which pins are configured for CBUS bitbanging */
2124 	priv->gpio_altfunc = 0xff;
2125 	for (i = 0; i < priv->gc.ngpio; ++i) {
2126 		if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2127 			priv->gpio_altfunc &= ~BIT(i);
2128 	}
2129 
2130 out_free:
2131 	kfree(cbus_cfg_buf);
2132 
2133 	return result;
2134 }
2135 
2136 static int ftdi_gpio_init(struct usb_serial_port *port)
2137 {
2138 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2139 	struct usb_serial *serial = port->serial;
2140 	int result;
2141 
2142 	switch (priv->chip_type) {
2143 	case FT232H:
2144 		result = ftdi_gpio_init_ft232h(port);
2145 		break;
2146 	case FT232RL:
2147 		result = ftdi_gpio_init_ft232r(port);
2148 		break;
2149 	case FTX:
2150 		result = ftdi_gpio_init_ftx(port);
2151 		break;
2152 	default:
2153 		return 0;
2154 	}
2155 
2156 	if (result < 0)
2157 		return result;
2158 
2159 	mutex_init(&priv->gpio_lock);
2160 
2161 	priv->gc.label = "ftdi-cbus";
2162 	priv->gc.request = ftdi_gpio_request;
2163 	priv->gc.get_direction = ftdi_gpio_direction_get;
2164 	priv->gc.direction_input = ftdi_gpio_direction_input;
2165 	priv->gc.direction_output = ftdi_gpio_direction_output;
2166 	priv->gc.init_valid_mask = ftdi_gpio_init_valid_mask;
2167 	priv->gc.get = ftdi_gpio_get;
2168 	priv->gc.set = ftdi_gpio_set;
2169 	priv->gc.get_multiple = ftdi_gpio_get_multiple;
2170 	priv->gc.set_multiple = ftdi_gpio_set_multiple;
2171 	priv->gc.owner = THIS_MODULE;
2172 	priv->gc.parent = &serial->interface->dev;
2173 	priv->gc.base = -1;
2174 	priv->gc.can_sleep = true;
2175 
2176 	result = gpiochip_add_data(&priv->gc, port);
2177 	if (!result)
2178 		priv->gpio_registered = true;
2179 
2180 	return result;
2181 }
2182 
2183 static void ftdi_gpio_remove(struct usb_serial_port *port)
2184 {
2185 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2186 
2187 	if (priv->gpio_registered) {
2188 		gpiochip_remove(&priv->gc);
2189 		priv->gpio_registered = false;
2190 	}
2191 
2192 	if (priv->gpio_used) {
2193 		/* Exiting CBUS-mode does not reset pin states. */
2194 		ftdi_exit_cbus_mode(port);
2195 		priv->gpio_used = false;
2196 	}
2197 }
2198 
2199 #else
2200 
2201 static int ftdi_gpio_init(struct usb_serial_port *port)
2202 {
2203 	return 0;
2204 }
2205 
2206 static void ftdi_gpio_remove(struct usb_serial_port *port) { }
2207 
2208 #endif	/* CONFIG_GPIOLIB */
2209 
2210 /*
2211  * ***************************************************************************
2212  * FTDI driver specific functions
2213  * ***************************************************************************
2214  */
2215 
2216 /* Probe function to check for special devices */
2217 static int ftdi_sio_probe(struct usb_serial *serial,
2218 					const struct usb_device_id *id)
2219 {
2220 	const struct ftdi_sio_quirk *quirk =
2221 				(struct ftdi_sio_quirk *)id->driver_info;
2222 
2223 	if (quirk && quirk->probe) {
2224 		int ret = quirk->probe(serial);
2225 		if (ret != 0)
2226 			return ret;
2227 	}
2228 
2229 	usb_set_serial_data(serial, (void *)id->driver_info);
2230 
2231 	return 0;
2232 }
2233 
2234 static int ftdi_sio_port_probe(struct usb_serial_port *port)
2235 {
2236 	struct ftdi_private *priv;
2237 	const struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
2238 	int result;
2239 
2240 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
2241 	if (!priv)
2242 		return -ENOMEM;
2243 
2244 	mutex_init(&priv->cfg_lock);
2245 
2246 	if (quirk && quirk->port_probe)
2247 		quirk->port_probe(priv);
2248 
2249 	usb_set_serial_port_data(port, priv);
2250 
2251 	ftdi_determine_type(port);
2252 	ftdi_set_max_packet_size(port);
2253 	if (read_latency_timer(port) < 0)
2254 		priv->latency = 16;
2255 	write_latency_timer(port);
2256 	create_sysfs_attrs(port);
2257 
2258 	result = ftdi_gpio_init(port);
2259 	if (result < 0) {
2260 		dev_err(&port->serial->interface->dev,
2261 			"GPIO initialisation failed: %d\n",
2262 			result);
2263 	}
2264 
2265 	return 0;
2266 }
2267 
2268 /* Setup for the USB-UIRT device, which requires hardwired
2269  * baudrate (38400 gets mapped to 312500) */
2270 /* Called from usbserial:serial_probe */
2271 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
2272 {
2273 	priv->flags |= ASYNC_SPD_CUST;
2274 	priv->custom_divisor = 77;
2275 	priv->force_baud = 38400;
2276 }
2277 
2278 /* Setup for the HE-TIRA1 device, which requires hardwired
2279  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
2280 
2281 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
2282 {
2283 	priv->flags |= ASYNC_SPD_CUST;
2284 	priv->custom_divisor = 240;
2285 	priv->force_baud = 38400;
2286 	priv->force_rtscts = 1;
2287 }
2288 
2289 /*
2290  * Module parameter to control latency timer for NDI FTDI-based USB devices.
2291  * If this value is not set in /etc/modprobe.d/ its value will be set
2292  * to 1ms.
2293  */
2294 static int ndi_latency_timer = 1;
2295 
2296 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
2297  * baudrate (19200 gets mapped to 1200000).
2298  *
2299  * Called from usbserial:serial_probe.
2300  */
2301 static int ftdi_NDI_device_setup(struct usb_serial *serial)
2302 {
2303 	struct usb_device *udev = serial->dev;
2304 	int latency = ndi_latency_timer;
2305 
2306 	if (latency == 0)
2307 		latency = 1;
2308 	if (latency > 99)
2309 		latency = 99;
2310 
2311 	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
2312 	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
2313 
2314 	/* FIXME: errors are not returned */
2315 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
2316 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
2317 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
2318 				latency, 0, NULL, 0, WDR_TIMEOUT);
2319 	return 0;
2320 }
2321 
2322 /*
2323  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
2324  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
2325  * userspace using openocd.
2326  */
2327 static int ftdi_jtag_probe(struct usb_serial *serial)
2328 {
2329 	struct usb_interface *intf = serial->interface;
2330 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2331 
2332 	if (ifnum == 0) {
2333 		dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2334 		return -ENODEV;
2335 	}
2336 
2337 	return 0;
2338 }
2339 
2340 static int ftdi_8u2232c_probe(struct usb_serial *serial)
2341 {
2342 	struct usb_device *udev = serial->dev;
2343 
2344 	if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
2345 		return ftdi_jtag_probe(serial);
2346 
2347 	if (udev->product &&
2348 		(!strcmp(udev->product, "Arrow USB Blaster") ||
2349 		 !strcmp(udev->product, "BeagleBone/XDS100V2") ||
2350 		 !strcmp(udev->product, "SNAP Connect E10")))
2351 		return ftdi_jtag_probe(serial);
2352 
2353 	return 0;
2354 }
2355 
2356 /*
2357  * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
2358  * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
2359  * can be accessed from userspace.
2360  * The next two ports are enabled as UARTs by default, where port 2 is
2361  * a conventional RS-232 UART.
2362  */
2363 static int ftdi_stmclite_probe(struct usb_serial *serial)
2364 {
2365 	struct usb_interface *intf = serial->interface;
2366 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2367 
2368 	if (ifnum < 2) {
2369 		dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2370 		return -ENODEV;
2371 	}
2372 
2373 	return 0;
2374 }
2375 
2376 static void ftdi_sio_port_remove(struct usb_serial_port *port)
2377 {
2378 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2379 
2380 	ftdi_gpio_remove(port);
2381 
2382 	remove_sysfs_attrs(port);
2383 
2384 	kfree(priv);
2385 }
2386 
2387 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2388 {
2389 	struct usb_device *dev = port->serial->dev;
2390 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2391 
2392 	/* No error checking for this (will get errors later anyway) */
2393 	/* See ftdi_sio.h for description of what is reset */
2394 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2395 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2396 			FTDI_SIO_RESET_SIO,
2397 			priv->interface, NULL, 0, WDR_TIMEOUT);
2398 
2399 	/* Termios defaults are set by usb_serial_init. We don't change
2400 	   port->tty->termios - this would lose speed settings, etc.
2401 	   This is same behaviour as serial.c/rs_open() - Kuba */
2402 
2403 	/* ftdi_set_termios  will send usb control messages */
2404 	if (tty)
2405 		ftdi_set_termios(tty, port, NULL);
2406 
2407 	return usb_serial_generic_open(tty, port);
2408 }
2409 
2410 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2411 {
2412 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2413 
2414 	/* Disable flow control */
2415 	if (!on) {
2416 		if (usb_control_msg(port->serial->dev,
2417 			    usb_sndctrlpipe(port->serial->dev, 0),
2418 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2419 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2420 			    0, priv->interface, NULL, 0,
2421 			    WDR_TIMEOUT) < 0) {
2422 			dev_err(&port->dev, "error from flowcontrol urb\n");
2423 		}
2424 	}
2425 	/* drop RTS and DTR */
2426 	if (on)
2427 		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2428 	else
2429 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2430 }
2431 
2432 /* The SIO requires the first byte to have:
2433  *  B0 1
2434  *  B1 0
2435  *  B2..7 length of message excluding byte 0
2436  *
2437  * The new devices do not require this byte
2438  */
2439 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2440 						void *dest, size_t size)
2441 {
2442 	struct ftdi_private *priv;
2443 	int count;
2444 	unsigned long flags;
2445 
2446 	priv = usb_get_serial_port_data(port);
2447 
2448 	if (priv->chip_type == SIO) {
2449 		unsigned char *buffer = dest;
2450 		int i, len, c;
2451 
2452 		count = 0;
2453 		spin_lock_irqsave(&port->lock, flags);
2454 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
2455 			len = min_t(int, size - i, priv->max_packet_size) - 1;
2456 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2457 			if (!c)
2458 				break;
2459 			port->icount.tx += c;
2460 			buffer[i] = (c << 2) + 1;
2461 			count += c + 1;
2462 		}
2463 		spin_unlock_irqrestore(&port->lock, flags);
2464 	} else {
2465 		count = kfifo_out_locked(&port->write_fifo, dest, size,
2466 								&port->lock);
2467 		port->icount.tx += count;
2468 	}
2469 
2470 	return count;
2471 }
2472 
2473 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2474 
2475 static int ftdi_process_packet(struct usb_serial_port *port,
2476 		struct ftdi_private *priv, unsigned char *buf, int len)
2477 {
2478 	unsigned char status;
2479 	bool brkint = false;
2480 	int i;
2481 	char flag;
2482 
2483 	if (len < 2) {
2484 		dev_dbg(&port->dev, "malformed packet\n");
2485 		return 0;
2486 	}
2487 
2488 	/* Compare new line status to the old one, signal if different/
2489 	   N.B. packet may be processed more than once, but differences
2490 	   are only processed once.  */
2491 	status = buf[0] & FTDI_STATUS_B0_MASK;
2492 	if (status != priv->prev_status) {
2493 		char diff_status = status ^ priv->prev_status;
2494 
2495 		if (diff_status & FTDI_RS0_CTS)
2496 			port->icount.cts++;
2497 		if (diff_status & FTDI_RS0_DSR)
2498 			port->icount.dsr++;
2499 		if (diff_status & FTDI_RS0_RI)
2500 			port->icount.rng++;
2501 		if (diff_status & FTDI_RS0_RLSD) {
2502 			struct tty_struct *tty;
2503 
2504 			port->icount.dcd++;
2505 			tty = tty_port_tty_get(&port->port);
2506 			if (tty)
2507 				usb_serial_handle_dcd_change(port, tty,
2508 						status & FTDI_RS0_RLSD);
2509 			tty_kref_put(tty);
2510 		}
2511 
2512 		wake_up_interruptible(&port->port.delta_msr_wait);
2513 		priv->prev_status = status;
2514 	}
2515 
2516 	/* save if the transmitter is empty or not */
2517 	if (buf[1] & FTDI_RS_TEMT)
2518 		priv->transmit_empty = 1;
2519 	else
2520 		priv->transmit_empty = 0;
2521 
2522 	if (len == 2)
2523 		return 0;	/* status only */
2524 
2525 	/*
2526 	 * Break and error status must only be processed for packets with
2527 	 * data payload to avoid over-reporting.
2528 	 */
2529 	flag = TTY_NORMAL;
2530 	if (buf[1] & FTDI_RS_ERR_MASK) {
2531 		/*
2532 		 * Break takes precedence over parity, which takes precedence
2533 		 * over framing errors. Note that break is only associated
2534 		 * with the last character in the buffer and only when it's a
2535 		 * NUL.
2536 		 */
2537 		if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') {
2538 			port->icount.brk++;
2539 			brkint = true;
2540 		}
2541 		if (buf[1] & FTDI_RS_PE) {
2542 			flag = TTY_PARITY;
2543 			port->icount.parity++;
2544 		} else if (buf[1] & FTDI_RS_FE) {
2545 			flag = TTY_FRAME;
2546 			port->icount.frame++;
2547 		}
2548 		/* Overrun is special, not associated with a char */
2549 		if (buf[1] & FTDI_RS_OE) {
2550 			port->icount.overrun++;
2551 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2552 		}
2553 	}
2554 
2555 	port->icount.rx += len - 2;
2556 
2557 	if (brkint || port->sysrq) {
2558 		for (i = 2; i < len; i++) {
2559 			if (brkint && i == len - 1) {
2560 				if (usb_serial_handle_break(port))
2561 					return len - 3;
2562 				flag = TTY_BREAK;
2563 			}
2564 			if (usb_serial_handle_sysrq_char(port, buf[i]))
2565 				continue;
2566 			tty_insert_flip_char(&port->port, buf[i], flag);
2567 		}
2568 	} else {
2569 		tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
2570 				len - 2);
2571 	}
2572 
2573 	return len - 2;
2574 }
2575 
2576 static void ftdi_process_read_urb(struct urb *urb)
2577 {
2578 	struct usb_serial_port *port = urb->context;
2579 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2580 	char *data = urb->transfer_buffer;
2581 	int i;
2582 	int len;
2583 	int count = 0;
2584 
2585 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2586 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2587 		count += ftdi_process_packet(port, priv, &data[i], len);
2588 	}
2589 
2590 	if (count)
2591 		tty_flip_buffer_push(&port->port);
2592 }
2593 
2594 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2595 {
2596 	struct usb_serial_port *port = tty->driver_data;
2597 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2598 	u16 value;
2599 
2600 	/* break_state = -1 to turn on break, and 0 to turn off break */
2601 	/* see drivers/char/tty_io.c to see it used */
2602 	/* last_set_data_value NEVER has the break bit set in it */
2603 
2604 	if (break_state)
2605 		value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2606 	else
2607 		value = priv->last_set_data_value;
2608 
2609 	if (usb_control_msg(port->serial->dev,
2610 			usb_sndctrlpipe(port->serial->dev, 0),
2611 			FTDI_SIO_SET_DATA_REQUEST,
2612 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2613 			value , priv->interface,
2614 			NULL, 0, WDR_TIMEOUT) < 0) {
2615 		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2616 			__func__, break_state);
2617 	}
2618 
2619 	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2620 		break_state, value);
2621 
2622 }
2623 
2624 static bool ftdi_tx_empty(struct usb_serial_port *port)
2625 {
2626 	unsigned char buf[2];
2627 	int ret;
2628 
2629 	ret = ftdi_get_modem_status(port, buf);
2630 	if (ret == 2) {
2631 		if (!(buf[1] & FTDI_RS_TEMT))
2632 			return false;
2633 	}
2634 
2635 	return true;
2636 }
2637 
2638 /* old_termios contains the original termios settings and tty->termios contains
2639  * the new setting to be used
2640  * WARNING: set_termios calls this with old_termios in kernel space
2641  */
2642 static void ftdi_set_termios(struct tty_struct *tty,
2643 		struct usb_serial_port *port, struct ktermios *old_termios)
2644 {
2645 	struct usb_device *dev = port->serial->dev;
2646 	struct device *ddev = &port->dev;
2647 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2648 	struct ktermios *termios = &tty->termios;
2649 	unsigned int cflag = termios->c_cflag;
2650 	u16 value, index;
2651 	int ret;
2652 
2653 	/* Force baud rate if this device requires it, unless it is set to
2654 	   B0. */
2655 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2656 		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2657 		tty_encode_baud_rate(tty, priv->force_baud,
2658 					priv->force_baud);
2659 	}
2660 
2661 	/* Force RTS-CTS if this device requires it. */
2662 	if (priv->force_rtscts) {
2663 		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2664 		termios->c_cflag |= CRTSCTS;
2665 	}
2666 
2667 	/*
2668 	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2669 	 * support CS5/6 and revert the CSIZE setting instead.
2670 	 *
2671 	 * CS5 however is used to control some smartcard readers which abuse
2672 	 * this limitation to switch modes. Original FTDI chips fall back to
2673 	 * eight data bits.
2674 	 *
2675 	 * TODO: Implement a quirk to only allow this with mentioned
2676 	 *       readers. One I know of (Argolis Smartreader V1)
2677 	 *       returns "USB smartcard server" as iInterface string.
2678 	 *       The vendor didn't bother with a custom VID/PID of
2679 	 *       course.
2680 	 */
2681 	if (C_CSIZE(tty) == CS6) {
2682 		dev_warn(ddev, "requested CSIZE setting not supported\n");
2683 
2684 		termios->c_cflag &= ~CSIZE;
2685 		if (old_termios)
2686 			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2687 		else
2688 			termios->c_cflag |= CS8;
2689 	}
2690 
2691 	cflag = termios->c_cflag;
2692 
2693 	if (!old_termios)
2694 		goto no_skip;
2695 
2696 	if (old_termios->c_cflag == termios->c_cflag
2697 	    && old_termios->c_ispeed == termios->c_ispeed
2698 	    && old_termios->c_ospeed == termios->c_ospeed)
2699 		goto no_c_cflag_changes;
2700 
2701 	/* NOTE These routines can get interrupted by
2702 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2703 	   don't see any problems yet */
2704 
2705 	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2706 	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2707 		goto no_data_parity_stop_changes;
2708 
2709 no_skip:
2710 	/* Set number of data bits, parity, stop bits */
2711 
2712 	value = 0;
2713 	value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2714 			FTDI_SIO_SET_DATA_STOP_BITS_1);
2715 	if (cflag & PARENB) {
2716 		if (cflag & CMSPAR)
2717 			value |= cflag & PARODD ?
2718 					FTDI_SIO_SET_DATA_PARITY_MARK :
2719 					FTDI_SIO_SET_DATA_PARITY_SPACE;
2720 		else
2721 			value |= cflag & PARODD ?
2722 					FTDI_SIO_SET_DATA_PARITY_ODD :
2723 					FTDI_SIO_SET_DATA_PARITY_EVEN;
2724 	} else {
2725 		value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2726 	}
2727 	switch (cflag & CSIZE) {
2728 	case CS5:
2729 		dev_dbg(ddev, "Setting CS5 quirk\n");
2730 		break;
2731 	case CS7:
2732 		value |= 7;
2733 		dev_dbg(ddev, "Setting CS7\n");
2734 		break;
2735 	default:
2736 	case CS8:
2737 		value |= 8;
2738 		dev_dbg(ddev, "Setting CS8\n");
2739 		break;
2740 	}
2741 
2742 	/* This is needed by the break command since it uses the same command
2743 	   - but is or'ed with this value  */
2744 	priv->last_set_data_value = value;
2745 
2746 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2747 			    FTDI_SIO_SET_DATA_REQUEST,
2748 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2749 			    value , priv->interface,
2750 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2751 		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2752 			__func__);
2753 	}
2754 
2755 	/* Now do the baudrate */
2756 no_data_parity_stop_changes:
2757 	if ((cflag & CBAUD) == B0) {
2758 		/* Disable flow control */
2759 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2760 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2761 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2762 				    0, priv->interface,
2763 				    NULL, 0, WDR_TIMEOUT) < 0) {
2764 			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2765 				__func__);
2766 		}
2767 		/* Drop RTS and DTR */
2768 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2769 	} else {
2770 		/* set the baudrate determined before */
2771 		mutex_lock(&priv->cfg_lock);
2772 		if (change_speed(tty, port))
2773 			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2774 		mutex_unlock(&priv->cfg_lock);
2775 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2776 		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2777 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2778 	}
2779 
2780 no_c_cflag_changes:
2781 	/* Set hardware-assisted flow control */
2782 	value = 0;
2783 
2784 	if (C_CRTSCTS(tty)) {
2785 		dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2786 		index = FTDI_SIO_RTS_CTS_HS;
2787 	} else if (I_IXON(tty)) {
2788 		dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2789 		index = FTDI_SIO_XON_XOFF_HS;
2790 		value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2791 	} else {
2792 		dev_dbg(&port->dev, "disabling flow control\n");
2793 		index = FTDI_SIO_DISABLE_FLOW_CTRL;
2794 	}
2795 
2796 	index |= priv->interface;
2797 
2798 	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2799 			FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2800 			FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2801 			value, index, NULL, 0, WDR_TIMEOUT);
2802 	if (ret < 0)
2803 		dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2804 }
2805 
2806 /*
2807  * Get modem-control status.
2808  *
2809  * Returns the number of status bytes retrieved (device dependant), or
2810  * negative error code.
2811  */
2812 static int ftdi_get_modem_status(struct usb_serial_port *port,
2813 						unsigned char status[2])
2814 {
2815 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2816 	unsigned char *buf;
2817 	int len;
2818 	int ret;
2819 
2820 	buf = kmalloc(2, GFP_KERNEL);
2821 	if (!buf)
2822 		return -ENOMEM;
2823 	/*
2824 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2825 	 * the same format as the data returned from the in point.
2826 	 */
2827 	switch (priv->chip_type) {
2828 	case SIO:
2829 		len = 1;
2830 		break;
2831 	case FT8U232AM:
2832 	case FT232BM:
2833 	case FT2232C:
2834 	case FT232RL:
2835 	case FT2232H:
2836 	case FT4232H:
2837 	case FT232H:
2838 	case FTX:
2839 		len = 2;
2840 		break;
2841 	default:
2842 		ret = -EFAULT;
2843 		goto out;
2844 	}
2845 
2846 	ret = usb_control_msg(port->serial->dev,
2847 			usb_rcvctrlpipe(port->serial->dev, 0),
2848 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2849 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2850 			0, priv->interface,
2851 			buf, len, WDR_TIMEOUT);
2852 
2853 	/* NOTE: We allow short responses and handle that below. */
2854 	if (ret < 1) {
2855 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2856 		if (ret >= 0)
2857 			ret = -EIO;
2858 		ret = usb_translate_errors(ret);
2859 		goto out;
2860 	}
2861 
2862 	status[0] = buf[0];
2863 	if (ret > 1)
2864 		status[1] = buf[1];
2865 	else
2866 		status[1] = 0;
2867 
2868 	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2869 								status[1]);
2870 out:
2871 	kfree(buf);
2872 
2873 	return ret;
2874 }
2875 
2876 static int ftdi_tiocmget(struct tty_struct *tty)
2877 {
2878 	struct usb_serial_port *port = tty->driver_data;
2879 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2880 	unsigned char buf[2];
2881 	int ret;
2882 
2883 	ret = ftdi_get_modem_status(port, buf);
2884 	if (ret < 0)
2885 		return ret;
2886 
2887 	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2888 		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2889 		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2890 		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2891 		priv->last_dtr_rts;
2892 
2893 	return ret;
2894 }
2895 
2896 static int ftdi_tiocmset(struct tty_struct *tty,
2897 			unsigned int set, unsigned int clear)
2898 {
2899 	struct usb_serial_port *port = tty->driver_data;
2900 
2901 	return update_mctrl(port, set, clear);
2902 }
2903 
2904 static int ftdi_ioctl(struct tty_struct *tty,
2905 					unsigned int cmd, unsigned long arg)
2906 {
2907 	struct usb_serial_port *port = tty->driver_data;
2908 	void __user *argp = (void __user *)arg;
2909 
2910 	switch (cmd) {
2911 	case TIOCSERGETLSR:
2912 		return get_lsr_info(port, argp);
2913 	default:
2914 		break;
2915 	}
2916 
2917 	return -ENOIOCTLCMD;
2918 }
2919 
2920 module_usb_serial_driver(serial_drivers, id_table_combined);
2921 
2922 MODULE_AUTHOR(DRIVER_AUTHOR);
2923 MODULE_DESCRIPTION(DRIVER_DESC);
2924 MODULE_LICENSE("GPL");
2925 
2926 module_param(ndi_latency_timer, int, 0644);
2927 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2928