xref: /linux/drivers/usb/serial/ftdi_sio.c (revision f5e9d31e79c1ce8ba948ecac74d75e9c8d2f0c87)
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 enum ftdi_chip_type {
51 	SIO,
52 	FT232A,
53 	FT232B,
54 	FT2232C,
55 	FT232R,
56 	FT232H,
57 	FT2232H,
58 	FT4232H,
59 	FT4232HA,
60 	FT232HP,
61 	FT233HP,
62 	FT2232HP,
63 	FT2233HP,
64 	FT4232HP,
65 	FT4233HP,
66 	FTX,
67 };
68 
69 struct ftdi_private {
70 	enum ftdi_chip_type chip_type;
71 	int baud_base;		/* baud base clock for divisor setting */
72 	int custom_divisor;	/* custom_divisor kludge, this is for
73 				   baud_base (different from what goes to the
74 				   chip!) */
75 	u16 last_set_data_value; /* the last data state set - needed for doing
76 				  * a break
77 				  */
78 	int flags;		/* some ASYNC_xxxx flags are supported */
79 	unsigned long last_dtr_rts;	/* saved modem control outputs */
80 	char prev_status;        /* Used for TIOCMIWAIT */
81 	char transmit_empty;	/* If transmitter is empty or not */
82 	u16 channel;		/* channel index, or 0 for legacy types */
83 
84 	speed_t force_baud;	/* if non-zero, force the baud rate to
85 				   this value */
86 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
87 				   be enabled */
88 
89 	unsigned int latency;		/* latency setting in use */
90 	unsigned short max_packet_size;
91 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
92 #ifdef CONFIG_GPIOLIB
93 	struct gpio_chip gc;
94 	struct mutex gpio_lock;	/* protects GPIO state */
95 	bool gpio_registered;	/* is the gpiochip in kernel registered */
96 	bool gpio_used;		/* true if the user requested a gpio */
97 	u8 gpio_altfunc;	/* which pins are in gpio mode */
98 	u8 gpio_output;		/* pin directions cache */
99 	u8 gpio_value;		/* pin value for outputs */
100 #endif
101 };
102 
103 struct ftdi_quirk {
104 	int (*probe)(struct usb_serial *);
105 	/* Special settings for probed ports. */
106 	void (*port_probe)(struct ftdi_private *);
107 };
108 
109 static int   ftdi_jtag_probe(struct usb_serial *serial);
110 static int   ftdi_stmclite_probe(struct usb_serial *serial);
111 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
112 static void  ftdi_usb_uirt_setup(struct ftdi_private *priv);
113 static void  ftdi_he_tira1_setup(struct ftdi_private *priv);
114 
115 static const struct ftdi_quirk ftdi_jtag_quirk = {
116 	.probe	= ftdi_jtag_probe,
117 };
118 
119 static const struct ftdi_quirk ftdi_ndi_quirk = {
120 };
121 
122 static const struct ftdi_quirk ftdi_usb_uirt_quirk = {
123 	.port_probe = ftdi_usb_uirt_setup,
124 };
125 
126 static const struct ftdi_quirk ftdi_he_tira1_quirk = {
127 	.port_probe = ftdi_he_tira1_setup,
128 };
129 
130 static const struct ftdi_quirk ftdi_stmclite_quirk = {
131 	.probe	= ftdi_stmclite_probe,
132 };
133 
134 static const struct ftdi_quirk ftdi_8u2232c_quirk = {
135 	.probe	= ftdi_8u2232c_probe,
136 };
137 
138 /*
139  * The 8U232AM has the same API as the sio except for:
140  * - it can support MUCH higher baudrates; up to:
141  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
142  *   o 230400 at 12MHz
143  *   so .. 8U232AM's baudrate setting codes are different
144  * - it has a two byte status code.
145  * - it returns characters every 16ms (the FTDI does it every 40ms)
146  *
147  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
148  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
149  * combinations in both tables.
150  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
151  * but I don't know if those ever went into mass production. [Ian Abbott]
152  */
153 
154 
155 
156 /*
157  * Device ID not listed? Test it using
158  * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
159  */
160 static const struct usb_device_id id_table_combined[] = {
161 	{ USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
179 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
180 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
187 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
188 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
191 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
192 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
193 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
194 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
195 	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_FT2233HP_PID) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_FT4233HP_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_FT2232HP_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_FT4232HP_PID) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_FT233HP_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_FT232HP_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_FT4232HA_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
211 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
212 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
213 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
214 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
215 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
216 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
217 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
220 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
221 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
222 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
223 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
224 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
225 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
226 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
227 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
228 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
229 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
230 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
231 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
232 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
233 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
234 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
235 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
236 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
237 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
238 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
239 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
240 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
241 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
242 	{ USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
485 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
486 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
487 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
488 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
489 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
490 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
491 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
492 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
493 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
494 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
495 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
496 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
497 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
498 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
499 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
500 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
501 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
502 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
503 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
504 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
505 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
506 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
507 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
508 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
509 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
510 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
511 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
512 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
513 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
514 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
515 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
516 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
517 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
518 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
519 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
520 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
521 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
522 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
523 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
524 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
525 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
526 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
527 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
528 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
529 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
530 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
531 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
532 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
533 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
534 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
535 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
536 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
537 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
539 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
540 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
541 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
542 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
543 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
544 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
545 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
546 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
547 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
548 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
549 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
550 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
551 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
552 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
553 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
554 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
555 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
556 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
557 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
558 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
559 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
560 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
561 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
562 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
563 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
564 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
565 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
566 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
567 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
568 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
569 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
570 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
571 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
572 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
573 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
574 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
575 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
576 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
577 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
578 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
579 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
580 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
581 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
582 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
583 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
584 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
585 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
586 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
587 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
588 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
589 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
591 		.driver_info = (kernel_ulong_t)&ftdi_he_tira1_quirk },
592 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
593 		.driver_info = (kernel_ulong_t)&ftdi_usb_uirt_quirk },
594 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
595 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
596 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
597 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
619 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
621 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
622 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
623 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
624 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
629 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TIAO_UMPA_PID, 1) },
630 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_NT_ORIONLXM_PID, 1) },
631 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
632 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
633 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) },
634 	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
635 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
636 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
637 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
639 	/*
640 	 * ELV devices:
641 	 */
642 	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
643 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
644 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
645 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
646 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
647 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
648 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
649 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
650 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
651 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
652 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
653 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
654 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
662 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
663 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
664 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
665 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
666 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
667 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
668 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
673 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
675 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
676 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
677 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) },
680 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
681 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
682 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
683 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
684 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
685 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
686 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
687 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
688 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
689 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
690 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
691 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
692 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
693 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
694 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
695 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
696 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
697 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
698 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
699 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
700 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
701 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
702 	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
703 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
704 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
705 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
706 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
707 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
708 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
709 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
710 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
711 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
712 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
713 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
714 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
715 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
716 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
717 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
718 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
719 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
720 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
721 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
723 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
724 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
725 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
726 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
727 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
728 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
729 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
730 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
731 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
732 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
733 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
734 	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
735 	{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
736 	{ USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
737 	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
738 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
739 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
740 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
741 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
742 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
743 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
744 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
745 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
746 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
747 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
748 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
749 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
750 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
751 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
752 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
753 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
754 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
755 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
756 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
757 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
758 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
759 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
760 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
761 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
762 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
763 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
764 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
765 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
766 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
767 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
768 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
769 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
770 	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
771 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
772 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
773 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
774 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
775 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
776 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
777 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
778 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
779 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
780 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
781 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
782 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
783 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
784 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
785 	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
786 	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
787 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
788 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
789 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
790 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
791 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
792 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
793 		.driver_info = (kernel_ulong_t)&ftdi_ndi_quirk },
794 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
795 		.driver_info = (kernel_ulong_t)&ftdi_ndi_quirk },
796 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
797 		.driver_info = (kernel_ulong_t)&ftdi_ndi_quirk },
798 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
799 		.driver_info = (kernel_ulong_t)&ftdi_ndi_quirk },
800 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
801 		.driver_info = (kernel_ulong_t)&ftdi_ndi_quirk },
802 	{ USB_DEVICE(FTDI_NDI_VID, FTDI_NDI_EMGUIDE_GEMINI_PID),
803 		.driver_info = (kernel_ulong_t)&ftdi_ndi_quirk },
804 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
805 	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
806 	{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
807 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
808 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
809 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
810 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
811 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
812 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
813 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
814 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
815 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
816 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
817 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
818 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
819 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
820 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
821 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
822 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
823 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
824 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
825 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
826 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
827 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
828 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
829 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
830 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
831 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
832 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
833 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
834 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
835 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
836 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
837 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
838 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
839 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
840 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
841 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, CYBER_CORTEX_AV_PID, 1) },
842 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
843 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
844 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
845 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
846 	{ USB_DEVICE_INTERFACE_NUMBER(FIC_VID, FIC_NEO1973_DEBUG_PID, 1) },
847 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_OOCDLINK_PID, 1) },
848 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID, 1) },
849 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID, 1) },
850 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID, 1) },
851 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TURTELIZER_PID, 1) },
852 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
853 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
854 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
855 
856 	/* Papouch devices based on FTDI chip */
857 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
858 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
859 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
860 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
861 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
862 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
863 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
864 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
865 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
866 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
867 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
868 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
869 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
870 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
871 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
872 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
873 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
874 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
875 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
876 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
877 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
878 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
879 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
880 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
881 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
882 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
883 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
884 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
885 
886 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
887 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
888 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
889 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
890 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
891 	{ USB_DEVICE(DE_VID, STB_PID) },
892 	{ USB_DEVICE(DE_VID, WHT_PID) },
893 	{ USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICE_PID, 1) },
894 	{ USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICEPLUS_PID, 1) },
895 	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
896 					USB_CLASS_VENDOR_SPEC,
897 					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
898 	{ USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
899 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
900 	{ USB_DEVICE_INTERFACE_NUMBER(MARVELL_VID, MARVELL_SHEEVAPLUG_PID, 1) },
901 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
902 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
903 	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
904 	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
905 	{ USB_DEVICE(PI_VID, PI_C866_PID) },
906 	{ USB_DEVICE(PI_VID, PI_C663_PID) },
907 	{ USB_DEVICE(PI_VID, PI_C725_PID) },
908 	{ USB_DEVICE(PI_VID, PI_E517_PID) },
909 	{ USB_DEVICE(PI_VID, PI_C863_PID) },
910 	{ USB_DEVICE(PI_VID, PI_E861_PID) },
911 	{ USB_DEVICE(PI_VID, PI_C867_PID) },
912 	{ USB_DEVICE(PI_VID, PI_E609_PID) },
913 	{ USB_DEVICE(PI_VID, PI_E709_PID) },
914 	{ USB_DEVICE(PI_VID, PI_100F_PID) },
915 	{ USB_DEVICE(PI_VID, PI_1011_PID) },
916 	{ USB_DEVICE(PI_VID, PI_1012_PID) },
917 	{ USB_DEVICE(PI_VID, PI_1013_PID) },
918 	{ USB_DEVICE(PI_VID, PI_1014_PID) },
919 	{ USB_DEVICE(PI_VID, PI_1015_PID) },
920 	{ USB_DEVICE(PI_VID, PI_1016_PID) },
921 	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
922 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
923 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, MARVELL_OPENRD_PID, 1) },
924 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, TI_XDS100V2_PID, 1) },
925 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
926 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
927 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
928 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
929 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
930 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
931 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
932 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
933 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_ST_PID, 1) },
934 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID, 1) },
935 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID, 1) },
936 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
937 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
938 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
939 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
940 	{ USB_DEVICE_INTERFACE_NUMBER(IONICS_VID, IONICS_PLUGCOMPUTER_PID, 1) },
941 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
942 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
943 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
944 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
945 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
946 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
947 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
948 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
949 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
950 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
951 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
952 	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
953 	{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
954 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
955 	{ USB_DEVICE_INTERFACE_NUMBER(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID, 1) },
956 	{ USB_DEVICE_INTERFACE_NUMBER(ST_VID, ST_STMCLT_2232_PID, 1) },
957 	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
958 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
959 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
960 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID, 1) },
961 	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
962 	/* Crucible Devices */
963 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
964 	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
965 	/* Cressi Devices */
966 	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
967 	/* Brainboxes Devices */
968 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
969 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
970 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
971 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
972 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
973 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_159_PID) },
974 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
975 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
976 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
977 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
978 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
979 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
980 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
981 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
982 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_235_PID) },
983 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
984 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
985 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
986 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
987 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
988 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
989 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_320_PID) },
990 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
991 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
992 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
993 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
994 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
995 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
996 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
997 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
998 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
999 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
1000 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
1001 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
1002 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
1003 	/* ekey Devices */
1004 	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
1005 	/* Infineon Devices */
1006 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
1007 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
1008 	/* GE Healthcare devices */
1009 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
1010 	/* Active Research (Actisense) devices */
1011 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
1012 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
1013 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
1014 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
1015 	{ USB_DEVICE(FTDI_VID, ACTISENSE_UID_PID) },
1016 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USA_PID) },
1017 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGX_PID) },
1018 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
1019 	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1020 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1021 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1022 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1023 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1024 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1025 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1026 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1027 	/* Belimo Automation devices */
1028 	{ USB_DEVICE(FTDI_VID, BELIMO_ZTH_PID) },
1029 	{ USB_DEVICE(FTDI_VID, BELIMO_ZIP_PID) },
1030 	/* ICP DAS I-756xU devices */
1031 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1032 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1033 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1034 	{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
1035 	{ USB_DEVICE_INTERFACE_NUMBER(TI_VID, TI_CC3200_LAUNCHPAD_PID, 1) },
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 	{ USB_DEVICE_INTERFACE_NUMBER(UBLOX_VID, UBLOX_EVK_M101_PID, 2) },
1054 	/* FreeCalypso USB adapters */
1055 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID, 1) },
1056 	{ USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID, 1) },
1057 	/* GMC devices */
1058 	{ USB_DEVICE(GMC_VID, GMC_Z216C_PID) },
1059 	/* Altera USB Blaster 3 */
1060 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6022_PID, 1) },
1061 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6025_PID, 2) },
1062 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6026_PID, 2) },
1063 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6026_PID, 3) },
1064 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_6029_PID, 2) },
1065 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602A_PID, 2) },
1066 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602A_PID, 3) },
1067 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602C_PID, 1) },
1068 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602D_PID, 1) },
1069 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602D_PID, 2) },
1070 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602E_PID, 1) },
1071 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602E_PID, 2) },
1072 	{ USB_DEVICE_INTERFACE_NUMBER(ALTERA_VID, ALTERA_UB3_602E_PID, 3) },
1073 	/* Abacus Electrics */
1074 	{ USB_DEVICE(FTDI_VID, ABACUS_OPTICAL_PROBE_PID) },
1075 	{ }					/* Terminating entry */
1076 };
1077 
1078 MODULE_DEVICE_TABLE(usb, id_table_combined);
1079 
1080 static const char *ftdi_chip_name[] = {
1081 	[SIO]		= "SIO",	/* the serial part of FT8U100AX */
1082 	[FT232A]	= "FT232A",
1083 	[FT232B]	= "FT232B",
1084 	[FT2232C]	= "FT2232C/D",
1085 	[FT232R]	= "FT232R",
1086 	[FT232H]	= "FT232H",
1087 	[FT2232H]	= "FT2232H",
1088 	[FT4232H]	= "FT4232H",
1089 	[FT4232HA]	= "FT4232HA",
1090 	[FT232HP]	= "FT232HP",
1091 	[FT233HP]	= "FT233HP",
1092 	[FT2232HP]	= "FT2232HP",
1093 	[FT2233HP]	= "FT2233HP",
1094 	[FT4232HP]	= "FT4232HP",
1095 	[FT4233HP]	= "FT4233HP",
1096 	[FTX]		= "FT-X",
1097 };
1098 
1099 
1100 /* Used for TIOCMIWAIT */
1101 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1102 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1103 /* End TIOCMIWAIT */
1104 
1105 static void ftdi_set_termios(struct tty_struct *tty,
1106 			     struct usb_serial_port *port,
1107 			     const struct ktermios *old_termios);
1108 static int ftdi_get_modem_status(struct usb_serial_port *port,
1109 						unsigned char status[2]);
1110 
1111 #define WDR_TIMEOUT 5000 /* default urb timeout */
1112 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1113 
1114 /*
1115  * ***************************************************************************
1116  * Utility functions
1117  * ***************************************************************************
1118  */
1119 
ftdi_232am_baud_base_to_divisor(int baud,int base)1120 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1121 {
1122 	unsigned short int divisor;
1123 	/* divisor shifted 3 bits to the left */
1124 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1125 	if ((divisor3 & 0x7) == 7)
1126 		divisor3++; /* round x.7/8 up to x+1 */
1127 	divisor = divisor3 >> 3;
1128 	divisor3 &= 0x7;
1129 	if (divisor3 == 1)
1130 		divisor |= 0xc000;	/* +0.125 */
1131 	else if (divisor3 >= 4)
1132 		divisor |= 0x4000;	/* +0.5 */
1133 	else if (divisor3 != 0)
1134 		divisor |= 0x8000;	/* +0.25 */
1135 	else if (divisor == 1)
1136 		divisor = 0;		/* special case for maximum baud rate */
1137 	return divisor;
1138 }
1139 
ftdi_232am_baud_to_divisor(int baud)1140 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1141 {
1142 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1143 }
1144 
ftdi_232bm_baud_base_to_divisor(int baud,int base)1145 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1146 {
1147 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1148 	u32 divisor;
1149 	/* divisor shifted 3 bits to the left */
1150 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1151 	divisor = divisor3 >> 3;
1152 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1153 	/* Deal with special cases for highest baud rates. */
1154 	if (divisor == 1)		/* 1.0 */
1155 		divisor = 0;
1156 	else if (divisor == 0x4001)	/* 1.5 */
1157 		divisor = 1;
1158 	return divisor;
1159 }
1160 
ftdi_232bm_baud_to_divisor(int baud)1161 static u32 ftdi_232bm_baud_to_divisor(int baud)
1162 {
1163 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1164 }
1165 
ftdi_2232h_baud_base_to_divisor(int baud,int base)1166 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1167 {
1168 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1169 	u32 divisor;
1170 	int divisor3;
1171 
1172 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1173 	divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1174 
1175 	divisor = divisor3 >> 3;
1176 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1177 	/* Deal with special cases for highest baud rates. */
1178 	if (divisor == 1)		/* 1.0 */
1179 		divisor = 0;
1180 	else if (divisor == 0x4001)	/* 1.5 */
1181 		divisor = 1;
1182 	/*
1183 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1184 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1185 	 * baud with this bit set
1186 	 */
1187 	divisor |= 0x00020000;
1188 	return divisor;
1189 }
1190 
ftdi_2232h_baud_to_divisor(int baud)1191 static u32 ftdi_2232h_baud_to_divisor(int baud)
1192 {
1193 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1194 }
1195 
1196 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1197 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1198 
update_mctrl(struct usb_serial_port * port,unsigned int set,unsigned int clear)1199 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1200 							unsigned int clear)
1201 {
1202 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1203 	struct device *dev = &port->dev;
1204 	unsigned value;
1205 	int rv;
1206 
1207 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1208 		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1209 		return 0;	/* no change */
1210 	}
1211 
1212 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1213 	value = 0;
1214 	if (clear & TIOCM_DTR)
1215 		value |= FTDI_SIO_SET_DTR_LOW;
1216 	if (clear & TIOCM_RTS)
1217 		value |= FTDI_SIO_SET_RTS_LOW;
1218 	if (set & TIOCM_DTR)
1219 		value |= FTDI_SIO_SET_DTR_HIGH;
1220 	if (set & TIOCM_RTS)
1221 		value |= FTDI_SIO_SET_RTS_HIGH;
1222 	rv = usb_control_msg(port->serial->dev,
1223 			       usb_sndctrlpipe(port->serial->dev, 0),
1224 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1225 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1226 			       value, priv->channel,
1227 			       NULL, 0, WDR_TIMEOUT);
1228 	if (rv < 0) {
1229 		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1230 			__func__,
1231 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1232 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1233 		rv = usb_translate_errors(rv);
1234 	} else {
1235 		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1236 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1237 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1238 		/* FIXME: locking on last_dtr_rts */
1239 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1240 	}
1241 	return rv;
1242 }
1243 
1244 
get_ftdi_divisor(struct tty_struct * tty,struct usb_serial_port * port)1245 static u32 get_ftdi_divisor(struct tty_struct *tty,
1246 						struct usb_serial_port *port)
1247 {
1248 	const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial);
1249 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1250 	struct device *dev = &port->dev;
1251 	u32 div_value = 0;
1252 	int div_okay = 1;
1253 	int baud;
1254 
1255 	baud = tty_get_baud_rate(tty);
1256 	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1257 
1258 	/*
1259 	 * Observe deprecated async-compatible custom_divisor hack, update
1260 	 * baudrate if needed.
1261 	 */
1262 	if (baud == 38400 &&
1263 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1264 	     (priv->custom_divisor)) {
1265 		baud = priv->baud_base / priv->custom_divisor;
1266 		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1267 			__func__, priv->custom_divisor, baud);
1268 	}
1269 
1270 	if (!baud)
1271 		baud = 9600;
1272 	switch (priv->chip_type) {
1273 	case SIO:
1274 		switch (baud) {
1275 		case 300: div_value = ftdi_sio_b300; break;
1276 		case 600: div_value = ftdi_sio_b600; break;
1277 		case 1200: div_value = ftdi_sio_b1200; break;
1278 		case 2400: div_value = ftdi_sio_b2400; break;
1279 		case 4800: div_value = ftdi_sio_b4800; break;
1280 		case 9600: div_value = ftdi_sio_b9600; break;
1281 		case 19200: div_value = ftdi_sio_b19200; break;
1282 		case 38400: div_value = ftdi_sio_b38400; break;
1283 		case 57600: div_value = ftdi_sio_b57600;  break;
1284 		case 115200: div_value = ftdi_sio_b115200; break;
1285 		default:
1286 			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1287 				__func__,  baud);
1288 			div_value = ftdi_sio_b9600;
1289 			baud = 9600;
1290 			div_okay = 0;
1291 		}
1292 		break;
1293 	case FT232A:
1294 		if (baud <= 3000000) {
1295 			div_value = ftdi_232am_baud_to_divisor(baud);
1296 		} else {
1297 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1298 			baud = 9600;
1299 			div_value = ftdi_232am_baud_to_divisor(9600);
1300 			div_okay = 0;
1301 		}
1302 		break;
1303 	case FT232B:
1304 	case FT2232C:
1305 	case FT232R:
1306 	case FTX:
1307 		if (baud <= 3000000) {
1308 			if (quirk == &ftdi_ndi_quirk && baud == 19200)
1309 				baud = 1200000;
1310 			div_value = ftdi_232bm_baud_to_divisor(baud);
1311 		} else {
1312 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1313 			div_value = ftdi_232bm_baud_to_divisor(9600);
1314 			div_okay = 0;
1315 			baud = 9600;
1316 		}
1317 		break;
1318 	default:
1319 		if ((baud <= 12000000) && (baud >= 1200)) {
1320 			div_value = ftdi_2232h_baud_to_divisor(baud);
1321 		} else if (baud < 1200) {
1322 			div_value = ftdi_232bm_baud_to_divisor(baud);
1323 		} else {
1324 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1325 			div_value = ftdi_232bm_baud_to_divisor(9600);
1326 			div_okay = 0;
1327 			baud = 9600;
1328 		}
1329 		break;
1330 	}
1331 
1332 	if (div_okay) {
1333 		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1334 			__func__, baud, (unsigned long)div_value,
1335 			ftdi_chip_name[priv->chip_type]);
1336 	}
1337 
1338 	tty_encode_baud_rate(tty, baud, baud);
1339 	return div_value;
1340 }
1341 
change_speed(struct tty_struct * tty,struct usb_serial_port * port)1342 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1343 {
1344 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1345 	u16 value;
1346 	u16 index;
1347 	u32 index_value;
1348 	int rv;
1349 
1350 	index_value = get_ftdi_divisor(tty, port);
1351 	value = (u16)index_value;
1352 	index = (u16)(index_value >> 16);
1353 	if (priv->channel)
1354 		index = (u16)((index << 8) | priv->channel);
1355 
1356 	rv = usb_control_msg(port->serial->dev,
1357 			    usb_sndctrlpipe(port->serial->dev, 0),
1358 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1359 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1360 			    value, index,
1361 			    NULL, 0, WDR_SHORT_TIMEOUT);
1362 	return rv;
1363 }
1364 
write_latency_timer(struct usb_serial_port * port)1365 static int write_latency_timer(struct usb_serial_port *port)
1366 {
1367 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1368 	struct usb_device *udev = port->serial->dev;
1369 	int rv;
1370 	int l = priv->latency;
1371 
1372 	if (priv->chip_type == SIO || priv->chip_type == FT232A)
1373 		return -EINVAL;
1374 
1375 	if (priv->flags & ASYNC_LOW_LATENCY)
1376 		l = 1;
1377 
1378 	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1379 
1380 	rv = usb_control_msg(udev,
1381 			     usb_sndctrlpipe(udev, 0),
1382 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1383 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1384 			     l, priv->channel,
1385 			     NULL, 0, WDR_TIMEOUT);
1386 	if (rv < 0)
1387 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1388 	return rv;
1389 }
1390 
_read_latency_timer(struct usb_serial_port * port)1391 static int _read_latency_timer(struct usb_serial_port *port)
1392 {
1393 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1394 	struct usb_device *udev = port->serial->dev;
1395 	u8 buf;
1396 	int rv;
1397 
1398 	rv = usb_control_msg_recv(udev, 0, FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1399 				  FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 0,
1400 				  priv->channel, &buf, 1, WDR_TIMEOUT,
1401 				  GFP_KERNEL);
1402 	if (rv == 0)
1403 		rv = buf;
1404 
1405 	return rv;
1406 }
1407 
read_latency_timer(struct usb_serial_port * port)1408 static int read_latency_timer(struct usb_serial_port *port)
1409 {
1410 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1411 	int rv;
1412 
1413 	if (priv->chip_type == SIO || priv->chip_type == FT232A)
1414 		return -EINVAL;
1415 
1416 	rv = _read_latency_timer(port);
1417 	if (rv < 0) {
1418 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1419 		return rv;
1420 	}
1421 
1422 	priv->latency = rv;
1423 
1424 	return 0;
1425 }
1426 
get_serial_info(struct tty_struct * tty,struct serial_struct * ss)1427 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1428 {
1429 	struct usb_serial_port *port = tty->driver_data;
1430 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1431 
1432 	mutex_lock(&priv->cfg_lock);
1433 	ss->flags = priv->flags;
1434 	ss->baud_base = priv->baud_base;
1435 	ss->custom_divisor = priv->custom_divisor;
1436 	mutex_unlock(&priv->cfg_lock);
1437 }
1438 
set_serial_info(struct tty_struct * tty,struct serial_struct * ss)1439 static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1440 {
1441 	struct usb_serial_port *port = tty->driver_data;
1442 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1443 	int old_flags, old_divisor;
1444 
1445 	mutex_lock(&priv->cfg_lock);
1446 
1447 	if (!capable(CAP_SYS_ADMIN)) {
1448 		if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1449 			mutex_unlock(&priv->cfg_lock);
1450 			return -EPERM;
1451 		}
1452 	}
1453 
1454 	old_flags = priv->flags;
1455 	old_divisor = priv->custom_divisor;
1456 
1457 	priv->flags = ss->flags & ASYNC_FLAGS;
1458 	priv->custom_divisor = ss->custom_divisor;
1459 
1460 	write_latency_timer(port);
1461 
1462 	if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK ||
1463 			((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1464 			 priv->custom_divisor != old_divisor)) {
1465 
1466 		/* warn about deprecation unless clearing */
1467 		if (priv->flags & ASYNC_SPD_MASK)
1468 			dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1469 
1470 		change_speed(tty, port);
1471 	}
1472 	mutex_unlock(&priv->cfg_lock);
1473 	return 0;
1474 }
1475 
get_lsr_info(struct usb_serial_port * port,unsigned int __user * retinfo)1476 static int get_lsr_info(struct usb_serial_port *port,
1477 			unsigned int __user *retinfo)
1478 {
1479 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1480 	unsigned int result = 0;
1481 
1482 	if (priv->transmit_empty)
1483 		result = TIOCSER_TEMT;
1484 
1485 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1486 		return -EFAULT;
1487 	return 0;
1488 }
1489 
ftdi_determine_type(struct usb_serial_port * port)1490 static int ftdi_determine_type(struct usb_serial_port *port)
1491 {
1492 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1493 	struct usb_serial *serial = port->serial;
1494 	struct usb_device *udev = serial->dev;
1495 	unsigned int version, ifnum;
1496 
1497 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1498 	ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1499 
1500 	/* Assume Hi-Speed type */
1501 	priv->baud_base = 120000000 / 2;
1502 	priv->channel = CHANNEL_A + ifnum;
1503 
1504 	switch (version) {
1505 	case 0x200:
1506 		priv->chip_type = FT232A;
1507 		priv->baud_base = 48000000 / 2;
1508 		priv->channel = 0;
1509 		/*
1510 		 * FT232B devices have a bug where bcdDevice gets set to 0x200
1511 		 * when iSerialNumber is 0. Assume it is an FT232B in case the
1512 		 * latency timer is readable.
1513 		 */
1514 		if (udev->descriptor.iSerialNumber == 0 &&
1515 				_read_latency_timer(port) >= 0) {
1516 			priv->chip_type = FT232B;
1517 		}
1518 		break;
1519 	case 0x400:
1520 		priv->chip_type = FT232B;
1521 		priv->baud_base = 48000000 / 2;
1522 		priv->channel = 0;
1523 		break;
1524 	case 0x500:
1525 		priv->chip_type = FT2232C;
1526 		priv->baud_base = 48000000 / 2;
1527 		break;
1528 	case 0x600:
1529 		priv->chip_type = FT232R;
1530 		priv->baud_base = 48000000 / 2;
1531 		priv->channel = 0;
1532 		break;
1533 	case 0x700:
1534 		priv->chip_type = FT2232H;
1535 		break;
1536 	case 0x800:
1537 		priv->chip_type = FT4232H;
1538 		break;
1539 	case 0x900:
1540 		priv->chip_type = FT232H;
1541 		break;
1542 	case 0x1000:
1543 		priv->chip_type = FTX;
1544 		priv->baud_base = 48000000 / 2;
1545 		break;
1546 	case 0x2800:
1547 		priv->chip_type = FT2233HP;
1548 		break;
1549 	case 0x2900:
1550 		priv->chip_type = FT4233HP;
1551 		break;
1552 	case 0x3000:
1553 		priv->chip_type = FT2232HP;
1554 		break;
1555 	case 0x3100:
1556 		priv->chip_type = FT4232HP;
1557 		break;
1558 	case 0x3200:
1559 		priv->chip_type = FT233HP;
1560 		break;
1561 	case 0x3300:
1562 		priv->chip_type = FT232HP;
1563 		break;
1564 	case 0x3600:
1565 		priv->chip_type = FT4232HA;
1566 		break;
1567 	default:
1568 		if (version < 0x200) {
1569 			priv->chip_type = SIO;
1570 			priv->baud_base = 12000000 / 16;
1571 			priv->channel = 0;
1572 		} else {
1573 			dev_err(&port->dev, "unknown device type: 0x%02x\n", version);
1574 			return -ENODEV;
1575 		}
1576 	}
1577 
1578 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1579 
1580 	return 0;
1581 }
1582 
1583 
1584 /*
1585  * Determine the maximum packet size for the device. This depends on the chip
1586  * type and the USB host capabilities. The value should be obtained from the
1587  * device descriptor as the chip will use the appropriate values for the host.
1588  */
ftdi_set_max_packet_size(struct usb_serial_port * port)1589 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1590 {
1591 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1592 	struct usb_interface *interface = port->serial->interface;
1593 	struct usb_endpoint_descriptor *ep_desc;
1594 	unsigned num_endpoints;
1595 	unsigned i;
1596 
1597 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1598 	if (!num_endpoints)
1599 		return;
1600 
1601 	/*
1602 	 * NOTE: Some customers have programmed FT232R/FT245R devices
1603 	 * with an endpoint size of 0 - not good. In this case, we
1604 	 * want to override the endpoint descriptor setting and use a
1605 	 * value of 64 for wMaxPacketSize.
1606 	 */
1607 	for (i = 0; i < num_endpoints; i++) {
1608 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1609 		if (!ep_desc->wMaxPacketSize) {
1610 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1611 			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1612 					usb_endpoint_num(ep_desc));
1613 		}
1614 	}
1615 
1616 	/* Set max packet size based on last descriptor. */
1617 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1618 }
1619 
1620 
1621 /*
1622  * ***************************************************************************
1623  * Sysfs Attribute
1624  * ***************************************************************************
1625  */
1626 
latency_timer_show(struct device * dev,struct device_attribute * attr,char * buf)1627 static ssize_t latency_timer_show(struct device *dev,
1628 				  struct device_attribute *attr, char *buf)
1629 {
1630 	struct usb_serial_port *port = to_usb_serial_port(dev);
1631 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1632 	if (priv->flags & ASYNC_LOW_LATENCY)
1633 		return sprintf(buf, "1\n");
1634 	else
1635 		return sprintf(buf, "%u\n", priv->latency);
1636 }
1637 
1638 /* Write a new value of the latency timer, in units of milliseconds. */
latency_timer_store(struct device * dev,struct device_attribute * attr,const char * valbuf,size_t count)1639 static ssize_t latency_timer_store(struct device *dev,
1640 				   struct device_attribute *attr,
1641 				   const char *valbuf, size_t count)
1642 {
1643 	struct usb_serial_port *port = to_usb_serial_port(dev);
1644 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1645 	u8 v;
1646 	int rv;
1647 
1648 	if (kstrtou8(valbuf, 10, &v))
1649 		return -EINVAL;
1650 
1651 	priv->latency = v;
1652 	rv = write_latency_timer(port);
1653 	if (rv < 0)
1654 		return -EIO;
1655 	return count;
1656 }
1657 static DEVICE_ATTR_RW(latency_timer);
1658 
1659 /* Write an event character directly to the FTDI register.  The ASCII
1660    value is in the low 8 bits, with the enable bit in the 9th bit. */
event_char_store(struct device * dev,struct device_attribute * attr,const char * valbuf,size_t count)1661 static ssize_t event_char_store(struct device *dev,
1662 	struct device_attribute *attr, const char *valbuf, size_t count)
1663 {
1664 	struct usb_serial_port *port = to_usb_serial_port(dev);
1665 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1666 	struct usb_device *udev = port->serial->dev;
1667 	unsigned int v;
1668 	int rv;
1669 
1670 	if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1671 		return -EINVAL;
1672 
1673 	dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1674 
1675 	rv = usb_control_msg(udev,
1676 			     usb_sndctrlpipe(udev, 0),
1677 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1678 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1679 			     v, priv->channel,
1680 			     NULL, 0, WDR_TIMEOUT);
1681 	if (rv < 0) {
1682 		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1683 		return -EIO;
1684 	}
1685 
1686 	return count;
1687 }
1688 static DEVICE_ATTR_WO(event_char);
1689 
1690 static struct attribute *ftdi_attrs[] = {
1691 	&dev_attr_event_char.attr,
1692 	&dev_attr_latency_timer.attr,
1693 	NULL
1694 };
1695 
ftdi_is_visible(struct kobject * kobj,struct attribute * attr,int idx)1696 static umode_t ftdi_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
1697 {
1698 	struct device *dev = kobj_to_dev(kobj);
1699 	struct usb_serial_port *port = to_usb_serial_port(dev);
1700 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1701 	enum ftdi_chip_type type = priv->chip_type;
1702 
1703 	if (attr == &dev_attr_event_char.attr) {
1704 		if (type == SIO)
1705 			return 0;
1706 	}
1707 
1708 	if (attr == &dev_attr_latency_timer.attr) {
1709 		if (type == SIO || type == FT232A)
1710 			return 0;
1711 	}
1712 
1713 	return attr->mode;
1714 }
1715 
1716 static const struct attribute_group ftdi_group = {
1717 	.attrs		= ftdi_attrs,
1718 	.is_visible	= ftdi_is_visible,
1719 };
1720 
1721 static const struct attribute_group *ftdi_groups[] = {
1722 	&ftdi_group,
1723 	NULL
1724 };
1725 
1726 #ifdef CONFIG_GPIOLIB
1727 
ftdi_set_bitmode(struct usb_serial_port * port,u8 mode)1728 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1729 {
1730 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1731 	struct usb_serial *serial = port->serial;
1732 	int result;
1733 	u16 val;
1734 
1735 	result = usb_autopm_get_interface(serial->interface);
1736 	if (result)
1737 		return result;
1738 
1739 	val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1740 	result = usb_control_msg(serial->dev,
1741 				 usb_sndctrlpipe(serial->dev, 0),
1742 				 FTDI_SIO_SET_BITMODE_REQUEST,
1743 				 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1744 				 priv->channel, NULL, 0, WDR_TIMEOUT);
1745 	if (result < 0) {
1746 		dev_err(&serial->interface->dev,
1747 			"bitmode request failed for value 0x%04x: %d\n",
1748 			val, result);
1749 	}
1750 
1751 	usb_autopm_put_interface(serial->interface);
1752 
1753 	return result;
1754 }
1755 
ftdi_set_cbus_pins(struct usb_serial_port * port)1756 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1757 {
1758 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1759 }
1760 
ftdi_exit_cbus_mode(struct usb_serial_port * port)1761 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1762 {
1763 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1764 
1765 	priv->gpio_output = 0;
1766 	priv->gpio_value = 0;
1767 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1768 }
1769 
ftdi_gpio_request(struct gpio_chip * gc,unsigned int offset)1770 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1771 {
1772 	struct usb_serial_port *port = gpiochip_get_data(gc);
1773 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1774 	int result;
1775 
1776 	mutex_lock(&priv->gpio_lock);
1777 	if (!priv->gpio_used) {
1778 		/* Set default pin states, as we cannot get them from device */
1779 		priv->gpio_output = 0x00;
1780 		priv->gpio_value = 0x00;
1781 		result = ftdi_set_cbus_pins(port);
1782 		if (result) {
1783 			mutex_unlock(&priv->gpio_lock);
1784 			return result;
1785 		}
1786 
1787 		priv->gpio_used = true;
1788 	}
1789 	mutex_unlock(&priv->gpio_lock);
1790 
1791 	return 0;
1792 }
1793 
ftdi_read_cbus_pins(struct usb_serial_port * port)1794 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1795 {
1796 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1797 	struct usb_serial *serial = port->serial;
1798 	u8 buf;
1799 	int result;
1800 
1801 	result = usb_autopm_get_interface(serial->interface);
1802 	if (result)
1803 		return result;
1804 
1805 	result = usb_control_msg_recv(serial->dev, 0,
1806 				      FTDI_SIO_READ_PINS_REQUEST,
1807 				      FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1808 				      priv->channel, &buf, 1, WDR_TIMEOUT,
1809 				      GFP_KERNEL);
1810 	if (result == 0)
1811 		result = buf;
1812 
1813 	usb_autopm_put_interface(serial->interface);
1814 
1815 	return result;
1816 }
1817 
ftdi_gpio_get(struct gpio_chip * gc,unsigned int gpio)1818 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1819 {
1820 	struct usb_serial_port *port = gpiochip_get_data(gc);
1821 	int result;
1822 
1823 	result = ftdi_read_cbus_pins(port);
1824 	if (result < 0)
1825 		return result;
1826 
1827 	return !!(result & BIT(gpio));
1828 }
1829 
ftdi_gpio_set(struct gpio_chip * gc,unsigned int gpio,int value)1830 static int ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1831 {
1832 	struct usb_serial_port *port = gpiochip_get_data(gc);
1833 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1834 	int result;
1835 
1836 	mutex_lock(&priv->gpio_lock);
1837 
1838 	if (value)
1839 		priv->gpio_value |= BIT(gpio);
1840 	else
1841 		priv->gpio_value &= ~BIT(gpio);
1842 
1843 	result = ftdi_set_cbus_pins(port);
1844 
1845 	mutex_unlock(&priv->gpio_lock);
1846 
1847 	return result;
1848 }
1849 
ftdi_gpio_get_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1850 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1851 					unsigned long *bits)
1852 {
1853 	struct usb_serial_port *port = gpiochip_get_data(gc);
1854 	int result;
1855 
1856 	result = ftdi_read_cbus_pins(port);
1857 	if (result < 0)
1858 		return result;
1859 
1860 	*bits = result & *mask;
1861 
1862 	return 0;
1863 }
1864 
ftdi_gpio_set_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1865 static int ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1866 					unsigned long *bits)
1867 {
1868 	struct usb_serial_port *port = gpiochip_get_data(gc);
1869 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1870 	int result;
1871 
1872 	mutex_lock(&priv->gpio_lock);
1873 
1874 	priv->gpio_value &= ~(*mask);
1875 	priv->gpio_value |= *bits & *mask;
1876 	result = ftdi_set_cbus_pins(port);
1877 
1878 	mutex_unlock(&priv->gpio_lock);
1879 
1880 	return result;
1881 }
1882 
ftdi_gpio_direction_get(struct gpio_chip * gc,unsigned int gpio)1883 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1884 {
1885 	struct usb_serial_port *port = gpiochip_get_data(gc);
1886 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1887 
1888 	return !(priv->gpio_output & BIT(gpio));
1889 }
1890 
ftdi_gpio_direction_input(struct gpio_chip * gc,unsigned int gpio)1891 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1892 {
1893 	struct usb_serial_port *port = gpiochip_get_data(gc);
1894 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1895 	int result;
1896 
1897 	mutex_lock(&priv->gpio_lock);
1898 
1899 	priv->gpio_output &= ~BIT(gpio);
1900 	result = ftdi_set_cbus_pins(port);
1901 
1902 	mutex_unlock(&priv->gpio_lock);
1903 
1904 	return result;
1905 }
1906 
ftdi_gpio_direction_output(struct gpio_chip * gc,unsigned int gpio,int value)1907 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1908 					int value)
1909 {
1910 	struct usb_serial_port *port = gpiochip_get_data(gc);
1911 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1912 	int result;
1913 
1914 	mutex_lock(&priv->gpio_lock);
1915 
1916 	priv->gpio_output |= BIT(gpio);
1917 	if (value)
1918 		priv->gpio_value |= BIT(gpio);
1919 	else
1920 		priv->gpio_value &= ~BIT(gpio);
1921 
1922 	result = ftdi_set_cbus_pins(port);
1923 
1924 	mutex_unlock(&priv->gpio_lock);
1925 
1926 	return result;
1927 }
1928 
ftdi_gpio_init_valid_mask(struct gpio_chip * gc,unsigned long * valid_mask,unsigned int ngpios)1929 static int ftdi_gpio_init_valid_mask(struct gpio_chip *gc,
1930 				     unsigned long *valid_mask,
1931 				     unsigned int ngpios)
1932 {
1933 	struct usb_serial_port *port = gpiochip_get_data(gc);
1934 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1935 	unsigned long map = priv->gpio_altfunc;
1936 
1937 	bitmap_complement(valid_mask, &map, ngpios);
1938 
1939 	if (bitmap_empty(valid_mask, ngpios))
1940 		dev_dbg(&port->dev, "no CBUS pin configured for GPIO\n");
1941 	else
1942 		dev_dbg(&port->dev, "CBUS%*pbl configured for GPIO\n", ngpios,
1943 			valid_mask);
1944 
1945 	return 0;
1946 }
1947 
ftdi_read_eeprom(struct usb_serial * serial,void * dst,u16 addr,u16 nbytes)1948 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
1949 				u16 nbytes)
1950 {
1951 	int read = 0;
1952 
1953 	if (addr % 2 != 0)
1954 		return -EINVAL;
1955 	if (nbytes % 2 != 0)
1956 		return -EINVAL;
1957 
1958 	/* Read EEPROM two bytes at a time */
1959 	while (read < nbytes) {
1960 		int rv;
1961 
1962 		rv = usb_control_msg(serial->dev,
1963 				     usb_rcvctrlpipe(serial->dev, 0),
1964 				     FTDI_SIO_READ_EEPROM_REQUEST,
1965 				     FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
1966 				     0, (addr + read) / 2, dst + read, 2,
1967 				     WDR_TIMEOUT);
1968 		if (rv < 2) {
1969 			if (rv >= 0)
1970 				return -EIO;
1971 			else
1972 				return rv;
1973 		}
1974 
1975 		read += rv;
1976 	}
1977 
1978 	return 0;
1979 }
1980 
ftdi_gpio_init_ft232h(struct usb_serial_port * port)1981 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
1982 {
1983 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1984 	u16 cbus_config;
1985 	u8 *buf;
1986 	int ret;
1987 	int i;
1988 
1989 	buf = kmalloc(4, GFP_KERNEL);
1990 	if (!buf)
1991 		return -ENOMEM;
1992 
1993 	ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
1994 	if (ret < 0)
1995 		goto out_free;
1996 
1997 	/*
1998 	 * FT232H CBUS Memory Map
1999 	 *
2000 	 * 0x1a: X- (upper nibble -> AC5)
2001 	 * 0x1b: -X (lower nibble -> AC6)
2002 	 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2003 	 */
2004 	cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2005 
2006 	priv->gc.ngpio = 4;
2007 	priv->gpio_altfunc = 0xff;
2008 
2009 	for (i = 0; i < priv->gc.ngpio; ++i) {
2010 		if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2011 			priv->gpio_altfunc &= ~BIT(i);
2012 		cbus_config >>= 4;
2013 	}
2014 
2015 out_free:
2016 	kfree(buf);
2017 
2018 	return ret;
2019 }
2020 
ftdi_gpio_init_ft232r(struct usb_serial_port * port)2021 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2022 {
2023 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2024 	u16 cbus_config;
2025 	u8 *buf;
2026 	int ret;
2027 	int i;
2028 
2029 	buf = kmalloc(2, GFP_KERNEL);
2030 	if (!buf)
2031 		return -ENOMEM;
2032 
2033 	ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2034 	if (ret < 0)
2035 		goto out_free;
2036 
2037 	cbus_config = le16_to_cpup((__le16 *)buf);
2038 	dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2039 
2040 	priv->gc.ngpio = 4;
2041 
2042 	priv->gpio_altfunc = 0xff;
2043 	for (i = 0; i < priv->gc.ngpio; ++i) {
2044 		if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2045 			priv->gpio_altfunc &= ~BIT(i);
2046 		cbus_config >>= 4;
2047 	}
2048 out_free:
2049 	kfree(buf);
2050 
2051 	return ret;
2052 }
2053 
ftdi_gpio_init_ftx(struct usb_serial_port * port)2054 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2055 {
2056 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2057 	struct usb_serial *serial = port->serial;
2058 	const u16 cbus_cfg_addr = 0x1a;
2059 	const u16 cbus_cfg_size = 4;
2060 	u8 *cbus_cfg_buf;
2061 	int result;
2062 	u8 i;
2063 
2064 	cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2065 	if (!cbus_cfg_buf)
2066 		return -ENOMEM;
2067 
2068 	result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2069 				  cbus_cfg_addr, cbus_cfg_size);
2070 	if (result < 0)
2071 		goto out_free;
2072 
2073 	/* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2074 	priv->gc.ngpio = 4;
2075 
2076 	/* Determine which pins are configured for CBUS bitbanging */
2077 	priv->gpio_altfunc = 0xff;
2078 	for (i = 0; i < priv->gc.ngpio; ++i) {
2079 		if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2080 			priv->gpio_altfunc &= ~BIT(i);
2081 	}
2082 
2083 out_free:
2084 	kfree(cbus_cfg_buf);
2085 
2086 	return result;
2087 }
2088 
ftdi_gpio_init(struct usb_serial_port * port)2089 static int ftdi_gpio_init(struct usb_serial_port *port)
2090 {
2091 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2092 	struct usb_serial *serial = port->serial;
2093 	int result;
2094 
2095 	switch (priv->chip_type) {
2096 	case FT232H:
2097 		result = ftdi_gpio_init_ft232h(port);
2098 		break;
2099 	case FT232R:
2100 		result = ftdi_gpio_init_ft232r(port);
2101 		break;
2102 	case FTX:
2103 		result = ftdi_gpio_init_ftx(port);
2104 		break;
2105 	default:
2106 		return 0;
2107 	}
2108 
2109 	if (result < 0)
2110 		return result;
2111 
2112 	mutex_init(&priv->gpio_lock);
2113 
2114 	priv->gc.label = "ftdi-cbus";
2115 	priv->gc.request = ftdi_gpio_request;
2116 	priv->gc.get_direction = ftdi_gpio_direction_get;
2117 	priv->gc.direction_input = ftdi_gpio_direction_input;
2118 	priv->gc.direction_output = ftdi_gpio_direction_output;
2119 	priv->gc.init_valid_mask = ftdi_gpio_init_valid_mask;
2120 	priv->gc.get = ftdi_gpio_get;
2121 	priv->gc.set = ftdi_gpio_set;
2122 	priv->gc.get_multiple = ftdi_gpio_get_multiple;
2123 	priv->gc.set_multiple = ftdi_gpio_set_multiple;
2124 	priv->gc.owner = THIS_MODULE;
2125 	priv->gc.parent = &serial->interface->dev;
2126 	priv->gc.base = -1;
2127 	priv->gc.can_sleep = true;
2128 
2129 	result = gpiochip_add_data(&priv->gc, port);
2130 	if (!result)
2131 		priv->gpio_registered = true;
2132 
2133 	return result;
2134 }
2135 
ftdi_gpio_remove(struct usb_serial_port * port)2136 static void ftdi_gpio_remove(struct usb_serial_port *port)
2137 {
2138 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2139 
2140 	if (priv->gpio_registered) {
2141 		gpiochip_remove(&priv->gc);
2142 		priv->gpio_registered = false;
2143 	}
2144 
2145 	if (priv->gpio_used) {
2146 		/* Exiting CBUS-mode does not reset pin states. */
2147 		ftdi_exit_cbus_mode(port);
2148 		priv->gpio_used = false;
2149 	}
2150 }
2151 
2152 #else
2153 
ftdi_gpio_init(struct usb_serial_port * port)2154 static int ftdi_gpio_init(struct usb_serial_port *port)
2155 {
2156 	return 0;
2157 }
2158 
ftdi_gpio_remove(struct usb_serial_port * port)2159 static void ftdi_gpio_remove(struct usb_serial_port *port) { }
2160 
2161 #endif	/* CONFIG_GPIOLIB */
2162 
2163 /*
2164  * ***************************************************************************
2165  * FTDI driver specific functions
2166  * ***************************************************************************
2167  */
2168 
ftdi_probe(struct usb_serial * serial,const struct usb_device_id * id)2169 static int ftdi_probe(struct usb_serial *serial, const struct usb_device_id *id)
2170 {
2171 	const struct ftdi_quirk *quirk = (struct ftdi_quirk *)id->driver_info;
2172 
2173 	if (quirk && quirk->probe) {
2174 		int ret = quirk->probe(serial);
2175 		if (ret != 0)
2176 			return ret;
2177 	}
2178 
2179 	usb_set_serial_data(serial, (void *)id->driver_info);
2180 
2181 	return 0;
2182 }
2183 
ftdi_port_probe(struct usb_serial_port * port)2184 static int ftdi_port_probe(struct usb_serial_port *port)
2185 {
2186 	const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial);
2187 	struct ftdi_private *priv;
2188 	int result;
2189 
2190 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
2191 	if (!priv)
2192 		return -ENOMEM;
2193 
2194 	mutex_init(&priv->cfg_lock);
2195 
2196 	if (quirk && quirk->port_probe)
2197 		quirk->port_probe(priv);
2198 
2199 	usb_set_serial_port_data(port, priv);
2200 
2201 	result = ftdi_determine_type(port);
2202 	if (result)
2203 		goto err_free;
2204 
2205 	ftdi_set_max_packet_size(port);
2206 	if (quirk == &ftdi_ndi_quirk)
2207 		priv->latency = 1;
2208 	else if (read_latency_timer(port) < 0)
2209 		priv->latency = 16;
2210 	write_latency_timer(port);
2211 
2212 	result = ftdi_gpio_init(port);
2213 	if (result < 0) {
2214 		dev_err(&port->serial->interface->dev,
2215 			"GPIO initialisation failed: %d\n",
2216 			result);
2217 	}
2218 
2219 	return 0;
2220 
2221 err_free:
2222 	kfree(priv);
2223 
2224 	return result;
2225 }
2226 
2227 /*
2228  * Setup for the USB-UIRT device, which requires hardwired baudrate
2229  * (38400 gets mapped to 312500).
2230  */
ftdi_usb_uirt_setup(struct ftdi_private * priv)2231 static void ftdi_usb_uirt_setup(struct ftdi_private *priv)
2232 {
2233 	priv->flags |= ASYNC_SPD_CUST;
2234 	priv->custom_divisor = 77;
2235 	priv->force_baud = 38400;
2236 }
2237 
2238 /*
2239  * Setup for the HE-TIRA1 device, which requires hardwired baudrate
2240  * (38400 gets mapped to 100000) and RTS-CTS enabled.
2241  */
ftdi_he_tira1_setup(struct ftdi_private * priv)2242 static void ftdi_he_tira1_setup(struct ftdi_private *priv)
2243 {
2244 	priv->flags |= ASYNC_SPD_CUST;
2245 	priv->custom_divisor = 240;
2246 	priv->force_baud = 38400;
2247 	priv->force_rtscts = 1;
2248 }
2249 
2250 /*
2251  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
2252  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
2253  * userspace using openocd.
2254  */
ftdi_jtag_probe(struct usb_serial * serial)2255 static int ftdi_jtag_probe(struct usb_serial *serial)
2256 {
2257 	struct usb_interface *intf = serial->interface;
2258 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2259 
2260 	if (ifnum == 0)
2261 		return -ENODEV;
2262 
2263 	return 0;
2264 }
2265 
ftdi_8u2232c_probe(struct usb_serial * serial)2266 static int ftdi_8u2232c_probe(struct usb_serial *serial)
2267 {
2268 	struct usb_interface *intf = serial->interface;
2269 	struct usb_device *udev = serial->dev;
2270 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2271 
2272 	if (ifnum == 0) {
2273 		if (udev->manufacturer &&
2274 				!strcmp(udev->manufacturer, "CALAO Systems"))
2275 			return -ENODEV;
2276 
2277 		if (udev->product &&
2278 				(!strcmp(udev->product, "Arrow USB Blaster") ||
2279 				 !strcmp(udev->product, "BeagleBone/XDS100V2") ||
2280 				 !strcmp(udev->product, "SNAP Connect E10")))
2281 			return -ENODEV;
2282 	}
2283 
2284 	return 0;
2285 }
2286 
2287 /*
2288  * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
2289  * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
2290  * can be accessed from userspace.
2291  * The next two ports are enabled as UARTs by default, where port 2 is
2292  * a conventional RS-232 UART.
2293  */
ftdi_stmclite_probe(struct usb_serial * serial)2294 static int ftdi_stmclite_probe(struct usb_serial *serial)
2295 {
2296 	struct usb_interface *intf = serial->interface;
2297 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2298 
2299 	if (ifnum < 2)
2300 		return -ENODEV;
2301 
2302 	return 0;
2303 }
2304 
ftdi_port_remove(struct usb_serial_port * port)2305 static void ftdi_port_remove(struct usb_serial_port *port)
2306 {
2307 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2308 
2309 	ftdi_gpio_remove(port);
2310 
2311 	kfree(priv);
2312 }
2313 
ftdi_open(struct tty_struct * tty,struct usb_serial_port * port)2314 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2315 {
2316 	struct usb_device *dev = port->serial->dev;
2317 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2318 
2319 	/* No error checking for this (will get errors later anyway) */
2320 	/* See ftdi_sio.h for description of what is reset */
2321 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2322 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2323 			FTDI_SIO_RESET_SIO,
2324 			priv->channel, NULL, 0, WDR_TIMEOUT);
2325 
2326 	/* Termios defaults are set by usb_serial_init. We don't change
2327 	   port->tty->termios - this would lose speed settings, etc.
2328 	   This is same behaviour as serial.c/rs_open() - Kuba */
2329 
2330 	/* ftdi_set_termios  will send usb control messages */
2331 	if (tty)
2332 		ftdi_set_termios(tty, port, NULL);
2333 
2334 	return usb_serial_generic_open(tty, port);
2335 }
2336 
ftdi_dtr_rts(struct usb_serial_port * port,int on)2337 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2338 {
2339 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2340 
2341 	/* Disable flow control */
2342 	if (!on) {
2343 		if (usb_control_msg(port->serial->dev,
2344 			    usb_sndctrlpipe(port->serial->dev, 0),
2345 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2346 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2347 			    0, priv->channel, NULL, 0,
2348 			    WDR_TIMEOUT) < 0) {
2349 			dev_err(&port->dev, "error from flowcontrol urb\n");
2350 		}
2351 	}
2352 	/* drop RTS and DTR */
2353 	if (on)
2354 		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2355 	else
2356 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2357 }
2358 
2359 /* The SIO requires the first byte to have:
2360  *  B0 1
2361  *  B1 0
2362  *  B2..7 length of message excluding byte 0
2363  *
2364  * The new devices do not require this byte
2365  */
ftdi_prepare_write_buffer(struct usb_serial_port * port,void * dest,size_t size)2366 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2367 						void *dest, size_t size)
2368 {
2369 	struct ftdi_private *priv;
2370 	int count;
2371 	unsigned long flags;
2372 
2373 	priv = usb_get_serial_port_data(port);
2374 
2375 	if (priv->chip_type == SIO) {
2376 		unsigned char *buffer = dest;
2377 		int i, len, c;
2378 
2379 		count = 0;
2380 		spin_lock_irqsave(&port->lock, flags);
2381 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
2382 			len = min_t(int, size - i, priv->max_packet_size) - 1;
2383 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2384 			if (!c)
2385 				break;
2386 			port->icount.tx += c;
2387 			buffer[i] = (c << 2) + 1;
2388 			count += c + 1;
2389 		}
2390 		spin_unlock_irqrestore(&port->lock, flags);
2391 	} else {
2392 		count = kfifo_out_locked(&port->write_fifo, dest, size,
2393 								&port->lock);
2394 		port->icount.tx += count;
2395 	}
2396 
2397 	return count;
2398 }
2399 
2400 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2401 
ftdi_process_packet(struct usb_serial_port * port,struct ftdi_private * priv,unsigned char * buf,int len)2402 static int ftdi_process_packet(struct usb_serial_port *port,
2403 		struct ftdi_private *priv, unsigned char *buf, int len)
2404 {
2405 	unsigned char status;
2406 	bool brkint = false;
2407 	int i;
2408 	char flag;
2409 
2410 	if (len < 2) {
2411 		dev_dbg(&port->dev, "malformed packet\n");
2412 		return 0;
2413 	}
2414 
2415 	/* Compare new line status to the old one, signal if different/
2416 	   N.B. packet may be processed more than once, but differences
2417 	   are only processed once.  */
2418 	status = buf[0] & FTDI_STATUS_B0_MASK;
2419 	if (status != priv->prev_status) {
2420 		char diff_status = status ^ priv->prev_status;
2421 
2422 		if (diff_status & FTDI_RS0_CTS)
2423 			port->icount.cts++;
2424 		if (diff_status & FTDI_RS0_DSR)
2425 			port->icount.dsr++;
2426 		if (diff_status & FTDI_RS0_RI)
2427 			port->icount.rng++;
2428 		if (diff_status & FTDI_RS0_RLSD) {
2429 			struct tty_struct *tty;
2430 
2431 			port->icount.dcd++;
2432 			tty = tty_port_tty_get(&port->port);
2433 			if (tty)
2434 				usb_serial_handle_dcd_change(port, tty,
2435 						status & FTDI_RS0_RLSD);
2436 			tty_kref_put(tty);
2437 		}
2438 
2439 		wake_up_interruptible(&port->port.delta_msr_wait);
2440 		priv->prev_status = status;
2441 	}
2442 
2443 	/* save if the transmitter is empty or not */
2444 	if (buf[1] & FTDI_RS_TEMT)
2445 		priv->transmit_empty = 1;
2446 	else
2447 		priv->transmit_empty = 0;
2448 
2449 	if (len == 2)
2450 		return 0;	/* status only */
2451 
2452 	/*
2453 	 * Break and error status must only be processed for packets with
2454 	 * data payload to avoid over-reporting.
2455 	 */
2456 	flag = TTY_NORMAL;
2457 	if (buf[1] & FTDI_RS_ERR_MASK) {
2458 		/*
2459 		 * Break takes precedence over parity, which takes precedence
2460 		 * over framing errors. Note that break is only associated
2461 		 * with the last character in the buffer and only when it's a
2462 		 * NUL.
2463 		 */
2464 		if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') {
2465 			port->icount.brk++;
2466 			brkint = true;
2467 		}
2468 		if (buf[1] & FTDI_RS_PE) {
2469 			flag = TTY_PARITY;
2470 			port->icount.parity++;
2471 		} else if (buf[1] & FTDI_RS_FE) {
2472 			flag = TTY_FRAME;
2473 			port->icount.frame++;
2474 		}
2475 		/* Overrun is special, not associated with a char */
2476 		if (buf[1] & FTDI_RS_OE) {
2477 			port->icount.overrun++;
2478 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2479 		}
2480 	}
2481 
2482 	port->icount.rx += len - 2;
2483 
2484 	if (brkint || port->sysrq) {
2485 		for (i = 2; i < len; i++) {
2486 			if (brkint && i == len - 1) {
2487 				if (usb_serial_handle_break(port))
2488 					return len - 3;
2489 				flag = TTY_BREAK;
2490 			}
2491 			if (usb_serial_handle_sysrq_char(port, buf[i]))
2492 				continue;
2493 			tty_insert_flip_char(&port->port, buf[i], flag);
2494 		}
2495 	} else {
2496 		tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
2497 				len - 2);
2498 	}
2499 
2500 	return len - 2;
2501 }
2502 
ftdi_process_read_urb(struct urb * urb)2503 static void ftdi_process_read_urb(struct urb *urb)
2504 {
2505 	struct usb_serial_port *port = urb->context;
2506 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2507 	char *data = urb->transfer_buffer;
2508 	int i;
2509 	int len;
2510 	int count = 0;
2511 
2512 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2513 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2514 		count += ftdi_process_packet(port, priv, &data[i], len);
2515 	}
2516 
2517 	if (count)
2518 		tty_flip_buffer_push(&port->port);
2519 }
2520 
ftdi_break_ctl(struct tty_struct * tty,int break_state)2521 static int ftdi_break_ctl(struct tty_struct *tty, int break_state)
2522 {
2523 	struct usb_serial_port *port = tty->driver_data;
2524 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2525 	u16 value;
2526 	int ret;
2527 
2528 	/* break_state = -1 to turn on break, and 0 to turn off break */
2529 	/* see drivers/char/tty_io.c to see it used */
2530 	/* last_set_data_value NEVER has the break bit set in it */
2531 
2532 	if (break_state)
2533 		value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2534 	else
2535 		value = priv->last_set_data_value;
2536 
2537 	ret = usb_control_msg(port->serial->dev,
2538 			usb_sndctrlpipe(port->serial->dev, 0),
2539 			FTDI_SIO_SET_DATA_REQUEST,
2540 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2541 			value, priv->channel,
2542 			NULL, 0, WDR_TIMEOUT);
2543 	if (ret < 0) {
2544 		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2545 			__func__, break_state);
2546 		return ret;
2547 	}
2548 
2549 	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2550 		break_state, value);
2551 
2552 	return 0;
2553 }
2554 
ftdi_tx_empty(struct usb_serial_port * port)2555 static bool ftdi_tx_empty(struct usb_serial_port *port)
2556 {
2557 	unsigned char buf[2];
2558 	int ret;
2559 
2560 	ret = ftdi_get_modem_status(port, buf);
2561 	if (ret == 2) {
2562 		if (!(buf[1] & FTDI_RS_TEMT))
2563 			return false;
2564 	}
2565 
2566 	return true;
2567 }
2568 
2569 /* old_termios contains the original termios settings and tty->termios contains
2570  * the new setting to be used
2571  * WARNING: set_termios calls this with old_termios in kernel space
2572  */
ftdi_set_termios(struct tty_struct * tty,struct usb_serial_port * port,const struct ktermios * old_termios)2573 static void ftdi_set_termios(struct tty_struct *tty,
2574 		             struct usb_serial_port *port,
2575 		             const struct ktermios *old_termios)
2576 {
2577 	struct usb_device *dev = port->serial->dev;
2578 	struct device *ddev = &port->dev;
2579 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2580 	struct ktermios *termios = &tty->termios;
2581 	unsigned int cflag;
2582 	u16 value, index;
2583 	int ret;
2584 
2585 	/* Force baud rate if this device requires it, unless it is set to
2586 	   B0. */
2587 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2588 		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2589 		tty_encode_baud_rate(tty, priv->force_baud,
2590 					priv->force_baud);
2591 	}
2592 
2593 	/* Force RTS-CTS if this device requires it. */
2594 	if (priv->force_rtscts) {
2595 		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2596 		termios->c_cflag |= CRTSCTS;
2597 	}
2598 
2599 	/*
2600 	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2601 	 * support CS5/6 and revert the CSIZE setting instead.
2602 	 *
2603 	 * CS5 however is used to control some smartcard readers which abuse
2604 	 * this limitation to switch modes. Original FTDI chips fall back to
2605 	 * eight data bits.
2606 	 *
2607 	 * TODO: Implement a quirk to only allow this with mentioned
2608 	 *       readers. One I know of (Argolis Smartreader V1)
2609 	 *       returns "USB smartcard server" as iInterface string.
2610 	 *       The vendor didn't bother with a custom VID/PID of
2611 	 *       course.
2612 	 */
2613 	if (C_CSIZE(tty) == CS6) {
2614 		dev_warn(ddev, "requested CSIZE setting not supported\n");
2615 
2616 		termios->c_cflag &= ~CSIZE;
2617 		if (old_termios)
2618 			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2619 		else
2620 			termios->c_cflag |= CS8;
2621 	}
2622 
2623 	cflag = termios->c_cflag;
2624 
2625 	if (!old_termios)
2626 		goto no_skip;
2627 
2628 	if (old_termios->c_cflag == termios->c_cflag
2629 	    && old_termios->c_ispeed == termios->c_ispeed
2630 	    && old_termios->c_ospeed == termios->c_ospeed)
2631 		goto no_c_cflag_changes;
2632 
2633 	/* NOTE These routines can get interrupted by
2634 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2635 	   don't see any problems yet */
2636 
2637 	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2638 	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2639 		goto no_data_parity_stop_changes;
2640 
2641 no_skip:
2642 	/* Set number of data bits, parity, stop bits */
2643 
2644 	value = 0;
2645 	value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2646 			FTDI_SIO_SET_DATA_STOP_BITS_1);
2647 	if (cflag & PARENB) {
2648 		if (cflag & CMSPAR)
2649 			value |= cflag & PARODD ?
2650 					FTDI_SIO_SET_DATA_PARITY_MARK :
2651 					FTDI_SIO_SET_DATA_PARITY_SPACE;
2652 		else
2653 			value |= cflag & PARODD ?
2654 					FTDI_SIO_SET_DATA_PARITY_ODD :
2655 					FTDI_SIO_SET_DATA_PARITY_EVEN;
2656 	} else {
2657 		value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2658 	}
2659 	switch (cflag & CSIZE) {
2660 	case CS5:
2661 		dev_dbg(ddev, "Setting CS5 quirk\n");
2662 		break;
2663 	case CS7:
2664 		value |= 7;
2665 		dev_dbg(ddev, "Setting CS7\n");
2666 		break;
2667 	default:
2668 	case CS8:
2669 		value |= 8;
2670 		dev_dbg(ddev, "Setting CS8\n");
2671 		break;
2672 	}
2673 
2674 	/* This is needed by the break command since it uses the same command
2675 	   - but is or'ed with this value  */
2676 	priv->last_set_data_value = value;
2677 
2678 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2679 			    FTDI_SIO_SET_DATA_REQUEST,
2680 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2681 			    value, priv->channel,
2682 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2683 		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2684 			__func__);
2685 	}
2686 
2687 	/* Now do the baudrate */
2688 no_data_parity_stop_changes:
2689 	if ((cflag & CBAUD) == B0) {
2690 		/* Disable flow control */
2691 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2692 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2693 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2694 				    0, priv->channel,
2695 				    NULL, 0, WDR_TIMEOUT) < 0) {
2696 			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2697 				__func__);
2698 		}
2699 		/* Drop RTS and DTR */
2700 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2701 	} else {
2702 		/* set the baudrate determined before */
2703 		mutex_lock(&priv->cfg_lock);
2704 		if (change_speed(tty, port))
2705 			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2706 		mutex_unlock(&priv->cfg_lock);
2707 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2708 		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2709 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2710 	}
2711 
2712 no_c_cflag_changes:
2713 	/* Set hardware-assisted flow control */
2714 	value = 0;
2715 
2716 	if (C_CRTSCTS(tty)) {
2717 		dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2718 		index = FTDI_SIO_RTS_CTS_HS;
2719 	} else if (I_IXON(tty)) {
2720 		dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2721 		index = FTDI_SIO_XON_XOFF_HS;
2722 		value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2723 	} else {
2724 		dev_dbg(&port->dev, "disabling flow control\n");
2725 		index = FTDI_SIO_DISABLE_FLOW_CTRL;
2726 	}
2727 
2728 	index |= priv->channel;
2729 
2730 	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2731 			FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2732 			FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2733 			value, index, NULL, 0, WDR_TIMEOUT);
2734 	if (ret < 0)
2735 		dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2736 }
2737 
2738 /*
2739  * Get modem-control status.
2740  *
2741  * Returns the number of status bytes retrieved (device dependant), or
2742  * negative error code.
2743  */
ftdi_get_modem_status(struct usb_serial_port * port,unsigned char status[2])2744 static int ftdi_get_modem_status(struct usb_serial_port *port,
2745 						unsigned char status[2])
2746 {
2747 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2748 	unsigned char *buf;
2749 	int len;
2750 	int ret;
2751 
2752 	buf = kmalloc(2, GFP_KERNEL);
2753 	if (!buf)
2754 		return -ENOMEM;
2755 	/*
2756 	 * The device returns a two byte value (the SIO a 1 byte value) in the
2757 	 * same format as the data returned from the IN endpoint.
2758 	 */
2759 	if (priv->chip_type == SIO)
2760 		len = 1;
2761 	else
2762 		len = 2;
2763 
2764 	ret = usb_control_msg(port->serial->dev,
2765 			usb_rcvctrlpipe(port->serial->dev, 0),
2766 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2767 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2768 			0, priv->channel,
2769 			buf, len, WDR_TIMEOUT);
2770 
2771 	/* NOTE: We allow short responses and handle that below. */
2772 	if (ret < 1) {
2773 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2774 		if (ret >= 0)
2775 			ret = -EIO;
2776 		ret = usb_translate_errors(ret);
2777 		goto out;
2778 	}
2779 
2780 	status[0] = buf[0];
2781 	if (ret > 1)
2782 		status[1] = buf[1];
2783 	else
2784 		status[1] = 0;
2785 
2786 	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2787 								status[1]);
2788 out:
2789 	kfree(buf);
2790 
2791 	return ret;
2792 }
2793 
ftdi_tiocmget(struct tty_struct * tty)2794 static int ftdi_tiocmget(struct tty_struct *tty)
2795 {
2796 	struct usb_serial_port *port = tty->driver_data;
2797 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2798 	unsigned char buf[2];
2799 	int ret;
2800 
2801 	ret = ftdi_get_modem_status(port, buf);
2802 	if (ret < 0)
2803 		return ret;
2804 
2805 	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2806 		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2807 		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2808 		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2809 		priv->last_dtr_rts;
2810 
2811 	return ret;
2812 }
2813 
ftdi_tiocmset(struct tty_struct * tty,unsigned int set,unsigned int clear)2814 static int ftdi_tiocmset(struct tty_struct *tty,
2815 			unsigned int set, unsigned int clear)
2816 {
2817 	struct usb_serial_port *port = tty->driver_data;
2818 
2819 	return update_mctrl(port, set, clear);
2820 }
2821 
ftdi_ioctl(struct tty_struct * tty,unsigned int cmd,unsigned long arg)2822 static int ftdi_ioctl(struct tty_struct *tty,
2823 					unsigned int cmd, unsigned long arg)
2824 {
2825 	struct usb_serial_port *port = tty->driver_data;
2826 	void __user *argp = (void __user *)arg;
2827 
2828 	switch (cmd) {
2829 	case TIOCSERGETLSR:
2830 		return get_lsr_info(port, argp);
2831 	default:
2832 		break;
2833 	}
2834 
2835 	return -ENOIOCTLCMD;
2836 }
2837 
2838 static struct usb_serial_driver ftdi_device = {
2839 	.driver = {
2840 		.name =		"ftdi_sio",
2841 		.dev_groups =	ftdi_groups,
2842 	},
2843 	.description =		"FTDI USB Serial Device",
2844 	.id_table =		id_table_combined,
2845 	.num_ports =		1,
2846 	.bulk_in_size =		512,
2847 	.bulk_out_size =	256,
2848 	.probe =		ftdi_probe,
2849 	.port_probe =		ftdi_port_probe,
2850 	.port_remove =		ftdi_port_remove,
2851 	.open =			ftdi_open,
2852 	.dtr_rts =		ftdi_dtr_rts,
2853 	.throttle =		usb_serial_generic_throttle,
2854 	.unthrottle =		usb_serial_generic_unthrottle,
2855 	.process_read_urb =	ftdi_process_read_urb,
2856 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
2857 	.tiocmget =		ftdi_tiocmget,
2858 	.tiocmset =		ftdi_tiocmset,
2859 	.tiocmiwait =		usb_serial_generic_tiocmiwait,
2860 	.get_icount =		usb_serial_generic_get_icount,
2861 	.ioctl =		ftdi_ioctl,
2862 	.get_serial =		get_serial_info,
2863 	.set_serial =		set_serial_info,
2864 	.set_termios =		ftdi_set_termios,
2865 	.break_ctl =		ftdi_break_ctl,
2866 	.tx_empty =		ftdi_tx_empty,
2867 };
2868 
2869 static struct usb_serial_driver * const serial_drivers[] = {
2870 	&ftdi_device, NULL
2871 };
2872 module_usb_serial_driver(serial_drivers, id_table_combined);
2873 
2874 MODULE_AUTHOR(DRIVER_AUTHOR);
2875 MODULE_DESCRIPTION(DRIVER_DESC);
2876 MODULE_LICENSE("GPL");
2877