xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision 58bb229d)
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_NDI_device_setup(struct usb_serial *serial);
111 static int   ftdi_stmclite_probe(struct usb_serial *serial);
112 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
113 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
114 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
115 
116 static const struct ftdi_quirk ftdi_jtag_quirk = {
117 	.probe	= ftdi_jtag_probe,
118 };
119 
120 static const struct ftdi_quirk ftdi_NDI_device_quirk = {
121 	.probe	= ftdi_NDI_device_setup,
122 };
123 
124 static const struct ftdi_quirk ftdi_USB_UIRT_quirk = {
125 	.port_probe = ftdi_USB_UIRT_setup,
126 };
127 
128 static const struct ftdi_quirk ftdi_HE_TIRA1_quirk = {
129 	.port_probe = ftdi_HE_TIRA1_setup,
130 };
131 
132 static const struct ftdi_quirk ftdi_stmclite_quirk = {
133 	.probe	= ftdi_stmclite_probe,
134 };
135 
136 static const struct ftdi_quirk ftdi_8u2232c_quirk = {
137 	.probe	= ftdi_8u2232c_probe,
138 };
139 
140 /*
141  * The 8U232AM has the same API as the sio except for:
142  * - it can support MUCH higher baudrates; up to:
143  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
144  *   o 230400 at 12MHz
145  *   so .. 8U232AM's baudrate setting codes are different
146  * - it has a two byte status code.
147  * - it returns characters every 16ms (the FTDI does it every 40ms)
148  *
149  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
150  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
151  * combinations in both tables.
152  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
153  * but I don't know if those ever went into mass production. [Ian Abbott]
154  */
155 
156 
157 
158 /*
159  * Device ID not listed? Test it using
160  * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
161  */
162 static const struct usb_device_id id_table_combined[] = {
163 	{ USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
179 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
180 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
187 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
188 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
191 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
192 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
193 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
194 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
195 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_FT2233HP_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_FT4233HP_PID) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_FT2232HP_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_FT4232HP_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_FT233HP_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_FT232HP_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_FT4232HA_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
211 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
212 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
213 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
214 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
215 	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
216 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
217 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
220 	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
221 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
222 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
223 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
224 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
225 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
226 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
227 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
228 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
229 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
230 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
231 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
232 	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
233 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
234 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
235 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
236 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
237 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
238 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
239 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
240 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
241 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
242 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
243 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
244 	{ USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
307 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
485 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
486 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
487 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
488 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
489 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
490 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
491 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
492 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
493 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
494 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
495 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
496 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
497 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
498 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
499 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
500 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
501 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
502 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
503 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
504 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
505 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
506 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
507 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
508 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
509 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
510 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
511 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
512 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
513 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
514 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
515 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
516 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
517 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
518 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
519 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
520 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
521 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
522 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
523 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
524 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
525 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
526 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
527 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
528 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
529 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
530 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
531 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
532 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
533 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
534 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
535 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
536 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
537 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
538 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
539 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
540 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
541 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
542 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
543 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
544 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
545 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
546 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
547 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
548 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
549 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
550 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
551 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
552 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
553 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
554 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
555 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
556 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
557 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
558 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
559 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
560 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
561 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
562 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
563 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
564 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
565 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
566 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
567 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
568 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
569 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
570 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
571 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
572 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
573 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
574 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
575 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
576 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
577 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
578 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
579 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
580 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
581 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
582 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
583 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
584 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
585 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
586 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
587 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
588 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
589 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
590 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
591 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
593 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
594 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
595 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
596 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
597 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
598 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
599 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
616 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
617 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
618 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
619 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
621 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
622 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
623 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
624 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
627 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
628 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
629 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
630 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
631 	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
632 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
633 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
634 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
635 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
636 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
637 	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) },
638 	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
639 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
640 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
641 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
642 	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
643 	/*
644 	 * ELV devices:
645 	 */
646 	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
647 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
648 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
649 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
650 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
651 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
652 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
653 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
654 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
662 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
663 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
664 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
665 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
666 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
667 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
668 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
673 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
675 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
676 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
677 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
680 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
682 	{ USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) },
683 	{ USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) },
684 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
685 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
686 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
687 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
688 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
689 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
690 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
691 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
692 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
693 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
694 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
695 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
696 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
697 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
698 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
699 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
700 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
701 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
702 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
704 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
705 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
706 	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
707 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
708 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
709 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
710 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
711 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
712 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
713 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
714 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
715 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
716 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
717 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
718 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
719 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
720 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
721 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
722 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
723 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
724 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
725 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
726 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
727 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
728 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
729 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
730 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
731 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
732 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
733 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
734 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
735 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
736 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
737 	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
738 	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
739 	{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
740 	{ USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
741 	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
742 	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
743 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
744 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
745 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
746 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
747 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
748 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
749 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
750 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
751 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
752 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
753 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
754 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
755 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
756 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
757 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
758 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
759 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
760 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
761 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
762 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
763 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
764 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
765 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
766 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
767 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
768 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
769 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
770 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
771 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
772 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
773 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
774 	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
775 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
776 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
777 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
778 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
779 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
780 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
781 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
782 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
783 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
784 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
785 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
786 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
787 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
788 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
789 	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
790 	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
791 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
792 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
793 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
794 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
795 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
796 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
797 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
798 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
799 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
800 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
801 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
802 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
803 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
804 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
805 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
806 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
807 	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
808 	{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
809 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
810 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
811 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
812 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
813 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
814 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
815 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
816 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
817 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
818 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
819 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
820 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
821 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
822 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
823 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
824 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
825 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
826 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
827 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
828 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
829 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
830 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
831 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
832 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
833 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
834 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
835 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
836 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
837 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
838 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
839 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
840 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
841 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
842 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
843 	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
844 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
845 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
846 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
847 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
848 	{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
849 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
850 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
851 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
852 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
853 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
854 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
855 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
856 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
857 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
858 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
859 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
860 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
861 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
862 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
863 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
864 
865 	/* Papouch devices based on FTDI chip */
866 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
867 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
868 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
869 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
870 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
871 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
872 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
873 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
874 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
875 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
876 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
877 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
878 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
879 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
880 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
881 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
882 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
883 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
884 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
885 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
886 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
887 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
888 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
889 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
890 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
891 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
892 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
893 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
894 
895 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
896 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
897 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
898 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
899 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
900 	{ USB_DEVICE(DE_VID, STB_PID) },
901 	{ USB_DEVICE(DE_VID, WHT_PID) },
902 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
903 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
904 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
905 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
906 	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
907 					USB_CLASS_VENDOR_SPEC,
908 					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
909 	{ USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
910 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
911 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
912 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
913 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
914 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
915 	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
916 	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
917 	{ USB_DEVICE(PI_VID, PI_C866_PID) },
918 	{ USB_DEVICE(PI_VID, PI_C663_PID) },
919 	{ USB_DEVICE(PI_VID, PI_C725_PID) },
920 	{ USB_DEVICE(PI_VID, PI_E517_PID) },
921 	{ USB_DEVICE(PI_VID, PI_C863_PID) },
922 	{ USB_DEVICE(PI_VID, PI_E861_PID) },
923 	{ USB_DEVICE(PI_VID, PI_C867_PID) },
924 	{ USB_DEVICE(PI_VID, PI_E609_PID) },
925 	{ USB_DEVICE(PI_VID, PI_E709_PID) },
926 	{ USB_DEVICE(PI_VID, PI_100F_PID) },
927 	{ USB_DEVICE(PI_VID, PI_1011_PID) },
928 	{ USB_DEVICE(PI_VID, PI_1012_PID) },
929 	{ USB_DEVICE(PI_VID, PI_1013_PID) },
930 	{ USB_DEVICE(PI_VID, PI_1014_PID) },
931 	{ USB_DEVICE(PI_VID, PI_1015_PID) },
932 	{ USB_DEVICE(PI_VID, PI_1016_PID) },
933 	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
934 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
935 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
936 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
937 	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
938 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
939 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
940 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
941 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
942 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
943 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
944 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
945 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
946 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
947 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
948 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
949 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
950 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
951 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
952 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
953 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
954 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
955 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
956 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
957 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
958 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
959 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
960 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
961 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
962 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
963 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
964 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
965 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
966 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
967 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
968 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
969 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
970 	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
971 	{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
972 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
973 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
974 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
975 	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
976 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
977 	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
978 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
979 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
980 	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
981 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
982 	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
983 	/* Crucible Devices */
984 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
985 	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
986 	/* Cressi Devices */
987 	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
988 	/* Brainboxes Devices */
989 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
990 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
991 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
992 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
993 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
994 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_159_PID) },
995 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
996 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
997 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
998 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
999 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
1000 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
1001 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
1002 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
1003 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_235_PID) },
1004 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
1005 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
1006 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
1007 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
1008 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
1009 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
1010 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_320_PID) },
1011 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
1012 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
1013 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
1014 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
1015 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
1016 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
1017 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
1018 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
1019 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
1020 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
1021 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
1022 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
1023 	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
1024 	/* ekey Devices */
1025 	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
1026 	/* Infineon Devices */
1027 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
1028 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
1029 	/* GE Healthcare devices */
1030 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
1031 	/* Active Research (Actisense) devices */
1032 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
1033 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
1034 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
1035 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
1036 	{ USB_DEVICE(FTDI_VID, ACTISENSE_UID_PID) },
1037 	{ USB_DEVICE(FTDI_VID, ACTISENSE_USA_PID) },
1038 	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGX_PID) },
1039 	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
1040 	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1041 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1042 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1043 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1044 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1045 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1046 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1047 	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1048 	/* Belimo Automation devices */
1049 	{ USB_DEVICE(FTDI_VID, BELIMO_ZTH_PID) },
1050 	{ USB_DEVICE(FTDI_VID, BELIMO_ZIP_PID) },
1051 	/* ICP DAS I-756xU devices */
1052 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1053 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1054 	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1055 	{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
1056 	{ USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
1057 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1058 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
1059 	{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
1060 	{ USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
1061 	/* EZPrototypes devices */
1062 	{ USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
1063 	{ USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
1064 	/* Sienna devices */
1065 	{ USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
1066 	{ USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
1067 	/* IDS GmbH devices */
1068 	{ USB_DEVICE(IDS_VID, IDS_SI31A_PID) },
1069 	{ USB_DEVICE(IDS_VID, IDS_CM31A_PID) },
1070 	/* Omron devices */
1071 	{ USB_DEVICE(OMRON_VID, OMRON_CS1W_CIF31_PID) },
1072 	/* U-Blox devices */
1073 	{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
1074 	{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
1075 	/* FreeCalypso USB adapters */
1076 	{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
1077 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1078 	{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
1079 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1080 	/* GMC devices */
1081 	{ USB_DEVICE(GMC_VID, GMC_Z216C_PID) },
1082 	{ }					/* Terminating entry */
1083 };
1084 
1085 MODULE_DEVICE_TABLE(usb, id_table_combined);
1086 
1087 static const char *ftdi_chip_name[] = {
1088 	[SIO]		= "SIO",	/* the serial part of FT8U100AX */
1089 	[FT232A]	= "FT232A",
1090 	[FT232B]	= "FT232B",
1091 	[FT2232C]	= "FT2232C/D",
1092 	[FT232R]	= "FT232R",
1093 	[FT232H]	= "FT232H",
1094 	[FT2232H]	= "FT2232H",
1095 	[FT4232H]	= "FT4232H",
1096 	[FT4232HA]	= "FT4232HA",
1097 	[FT232HP]	= "FT232HP",
1098 	[FT233HP]	= "FT233HP",
1099 	[FT2232HP]	= "FT2232HP",
1100 	[FT2233HP]	= "FT2233HP",
1101 	[FT4232HP]	= "FT4232HP",
1102 	[FT4233HP]	= "FT4233HP",
1103 	[FTX]		= "FT-X",
1104 };
1105 
1106 
1107 /* Used for TIOCMIWAIT */
1108 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1109 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1110 /* End TIOCMIWAIT */
1111 
1112 static void ftdi_set_termios(struct tty_struct *tty,
1113 			     struct usb_serial_port *port,
1114 			     const struct ktermios *old_termios);
1115 static int ftdi_get_modem_status(struct usb_serial_port *port,
1116 						unsigned char status[2]);
1117 
1118 #define WDR_TIMEOUT 5000 /* default urb timeout */
1119 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1120 
1121 /*
1122  * ***************************************************************************
1123  * Utility functions
1124  * ***************************************************************************
1125  */
1126 
ftdi_232am_baud_base_to_divisor(int baud,int base)1127 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1128 {
1129 	unsigned short int divisor;
1130 	/* divisor shifted 3 bits to the left */
1131 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1132 	if ((divisor3 & 0x7) == 7)
1133 		divisor3++; /* round x.7/8 up to x+1 */
1134 	divisor = divisor3 >> 3;
1135 	divisor3 &= 0x7;
1136 	if (divisor3 == 1)
1137 		divisor |= 0xc000;	/* +0.125 */
1138 	else if (divisor3 >= 4)
1139 		divisor |= 0x4000;	/* +0.5 */
1140 	else if (divisor3 != 0)
1141 		divisor |= 0x8000;	/* +0.25 */
1142 	else if (divisor == 1)
1143 		divisor = 0;		/* special case for maximum baud rate */
1144 	return divisor;
1145 }
1146 
ftdi_232am_baud_to_divisor(int baud)1147 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1148 {
1149 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1150 }
1151 
ftdi_232bm_baud_base_to_divisor(int baud,int base)1152 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1153 {
1154 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1155 	u32 divisor;
1156 	/* divisor shifted 3 bits to the left */
1157 	int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1158 	divisor = divisor3 >> 3;
1159 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1160 	/* Deal with special cases for highest baud rates. */
1161 	if (divisor == 1)		/* 1.0 */
1162 		divisor = 0;
1163 	else if (divisor == 0x4001)	/* 1.5 */
1164 		divisor = 1;
1165 	return divisor;
1166 }
1167 
ftdi_232bm_baud_to_divisor(int baud)1168 static u32 ftdi_232bm_baud_to_divisor(int baud)
1169 {
1170 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1171 }
1172 
ftdi_2232h_baud_base_to_divisor(int baud,int base)1173 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1174 {
1175 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1176 	u32 divisor;
1177 	int divisor3;
1178 
1179 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1180 	divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1181 
1182 	divisor = divisor3 >> 3;
1183 	divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1184 	/* Deal with special cases for highest baud rates. */
1185 	if (divisor == 1)		/* 1.0 */
1186 		divisor = 0;
1187 	else if (divisor == 0x4001)	/* 1.5 */
1188 		divisor = 1;
1189 	/*
1190 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1191 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1192 	 * baud with this bit set
1193 	 */
1194 	divisor |= 0x00020000;
1195 	return divisor;
1196 }
1197 
ftdi_2232h_baud_to_divisor(int baud)1198 static u32 ftdi_2232h_baud_to_divisor(int baud)
1199 {
1200 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1201 }
1202 
1203 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1204 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1205 
update_mctrl(struct usb_serial_port * port,unsigned int set,unsigned int clear)1206 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1207 							unsigned int clear)
1208 {
1209 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1210 	struct device *dev = &port->dev;
1211 	unsigned value;
1212 	int rv;
1213 
1214 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1215 		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1216 		return 0;	/* no change */
1217 	}
1218 
1219 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1220 	value = 0;
1221 	if (clear & TIOCM_DTR)
1222 		value |= FTDI_SIO_SET_DTR_LOW;
1223 	if (clear & TIOCM_RTS)
1224 		value |= FTDI_SIO_SET_RTS_LOW;
1225 	if (set & TIOCM_DTR)
1226 		value |= FTDI_SIO_SET_DTR_HIGH;
1227 	if (set & TIOCM_RTS)
1228 		value |= FTDI_SIO_SET_RTS_HIGH;
1229 	rv = usb_control_msg(port->serial->dev,
1230 			       usb_sndctrlpipe(port->serial->dev, 0),
1231 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1232 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1233 			       value, priv->channel,
1234 			       NULL, 0, WDR_TIMEOUT);
1235 	if (rv < 0) {
1236 		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1237 			__func__,
1238 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1239 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1240 		rv = usb_translate_errors(rv);
1241 	} else {
1242 		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1243 			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1244 			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1245 		/* FIXME: locking on last_dtr_rts */
1246 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1247 	}
1248 	return rv;
1249 }
1250 
1251 
get_ftdi_divisor(struct tty_struct * tty,struct usb_serial_port * port)1252 static u32 get_ftdi_divisor(struct tty_struct *tty,
1253 						struct usb_serial_port *port)
1254 {
1255 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1256 	struct device *dev = &port->dev;
1257 	u32 div_value = 0;
1258 	int div_okay = 1;
1259 	int baud;
1260 
1261 	baud = tty_get_baud_rate(tty);
1262 	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1263 
1264 	/*
1265 	 * Observe deprecated async-compatible custom_divisor hack, update
1266 	 * baudrate if needed.
1267 	 */
1268 	if (baud == 38400 &&
1269 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1270 	     (priv->custom_divisor)) {
1271 		baud = priv->baud_base / priv->custom_divisor;
1272 		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1273 			__func__, priv->custom_divisor, baud);
1274 	}
1275 
1276 	if (!baud)
1277 		baud = 9600;
1278 	switch (priv->chip_type) {
1279 	case SIO:
1280 		switch (baud) {
1281 		case 300: div_value = ftdi_sio_b300; break;
1282 		case 600: div_value = ftdi_sio_b600; break;
1283 		case 1200: div_value = ftdi_sio_b1200; break;
1284 		case 2400: div_value = ftdi_sio_b2400; break;
1285 		case 4800: div_value = ftdi_sio_b4800; break;
1286 		case 9600: div_value = ftdi_sio_b9600; break;
1287 		case 19200: div_value = ftdi_sio_b19200; break;
1288 		case 38400: div_value = ftdi_sio_b38400; break;
1289 		case 57600: div_value = ftdi_sio_b57600;  break;
1290 		case 115200: div_value = ftdi_sio_b115200; break;
1291 		default:
1292 			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1293 				__func__,  baud);
1294 			div_value = ftdi_sio_b9600;
1295 			baud = 9600;
1296 			div_okay = 0;
1297 		}
1298 		break;
1299 	case FT232A:
1300 		if (baud <= 3000000) {
1301 			div_value = ftdi_232am_baud_to_divisor(baud);
1302 		} else {
1303 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1304 			baud = 9600;
1305 			div_value = ftdi_232am_baud_to_divisor(9600);
1306 			div_okay = 0;
1307 		}
1308 		break;
1309 	case FT232B:
1310 	case FT2232C:
1311 	case FT232R:
1312 	case FTX:
1313 		if (baud <= 3000000) {
1314 			u16 product_id = le16_to_cpu(
1315 				port->serial->dev->descriptor.idProduct);
1316 			if (((product_id == FTDI_NDI_HUC_PID)		||
1317 			     (product_id == FTDI_NDI_SPECTRA_SCU_PID)	||
1318 			     (product_id == FTDI_NDI_FUTURE_2_PID)	||
1319 			     (product_id == FTDI_NDI_FUTURE_3_PID)	||
1320 			     (product_id == FTDI_NDI_AURORA_SCU_PID))	&&
1321 			    (baud == 19200)) {
1322 				baud = 1200000;
1323 			}
1324 			div_value = ftdi_232bm_baud_to_divisor(baud);
1325 		} else {
1326 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1327 			div_value = ftdi_232bm_baud_to_divisor(9600);
1328 			div_okay = 0;
1329 			baud = 9600;
1330 		}
1331 		break;
1332 	default:
1333 		if ((baud <= 12000000) && (baud >= 1200)) {
1334 			div_value = ftdi_2232h_baud_to_divisor(baud);
1335 		} else if (baud < 1200) {
1336 			div_value = ftdi_232bm_baud_to_divisor(baud);
1337 		} else {
1338 			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1339 			div_value = ftdi_232bm_baud_to_divisor(9600);
1340 			div_okay = 0;
1341 			baud = 9600;
1342 		}
1343 		break;
1344 	}
1345 
1346 	if (div_okay) {
1347 		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1348 			__func__, baud, (unsigned long)div_value,
1349 			ftdi_chip_name[priv->chip_type]);
1350 	}
1351 
1352 	tty_encode_baud_rate(tty, baud, baud);
1353 	return div_value;
1354 }
1355 
change_speed(struct tty_struct * tty,struct usb_serial_port * port)1356 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1357 {
1358 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1359 	u16 value;
1360 	u16 index;
1361 	u32 index_value;
1362 	int rv;
1363 
1364 	index_value = get_ftdi_divisor(tty, port);
1365 	value = (u16)index_value;
1366 	index = (u16)(index_value >> 16);
1367 	if (priv->channel)
1368 		index = (u16)((index << 8) | priv->channel);
1369 
1370 	rv = usb_control_msg(port->serial->dev,
1371 			    usb_sndctrlpipe(port->serial->dev, 0),
1372 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1373 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1374 			    value, index,
1375 			    NULL, 0, WDR_SHORT_TIMEOUT);
1376 	return rv;
1377 }
1378 
write_latency_timer(struct usb_serial_port * port)1379 static int write_latency_timer(struct usb_serial_port *port)
1380 {
1381 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1382 	struct usb_device *udev = port->serial->dev;
1383 	int rv;
1384 	int l = priv->latency;
1385 
1386 	if (priv->chip_type == SIO || priv->chip_type == FT232A)
1387 		return -EINVAL;
1388 
1389 	if (priv->flags & ASYNC_LOW_LATENCY)
1390 		l = 1;
1391 
1392 	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1393 
1394 	rv = usb_control_msg(udev,
1395 			     usb_sndctrlpipe(udev, 0),
1396 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1397 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1398 			     l, priv->channel,
1399 			     NULL, 0, WDR_TIMEOUT);
1400 	if (rv < 0)
1401 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1402 	return rv;
1403 }
1404 
_read_latency_timer(struct usb_serial_port * port)1405 static int _read_latency_timer(struct usb_serial_port *port)
1406 {
1407 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1408 	struct usb_device *udev = port->serial->dev;
1409 	u8 buf;
1410 	int rv;
1411 
1412 	rv = usb_control_msg_recv(udev, 0, FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1413 				  FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 0,
1414 				  priv->channel, &buf, 1, WDR_TIMEOUT,
1415 				  GFP_KERNEL);
1416 	if (rv == 0)
1417 		rv = buf;
1418 
1419 	return rv;
1420 }
1421 
read_latency_timer(struct usb_serial_port * port)1422 static int read_latency_timer(struct usb_serial_port *port)
1423 {
1424 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1425 	int rv;
1426 
1427 	if (priv->chip_type == SIO || priv->chip_type == FT232A)
1428 		return -EINVAL;
1429 
1430 	rv = _read_latency_timer(port);
1431 	if (rv < 0) {
1432 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1433 		return rv;
1434 	}
1435 
1436 	priv->latency = rv;
1437 
1438 	return 0;
1439 }
1440 
get_serial_info(struct tty_struct * tty,struct serial_struct * ss)1441 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1442 {
1443 	struct usb_serial_port *port = tty->driver_data;
1444 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1445 
1446 	ss->flags = priv->flags;
1447 	ss->baud_base = priv->baud_base;
1448 	ss->custom_divisor = priv->custom_divisor;
1449 }
1450 
set_serial_info(struct tty_struct * tty,struct serial_struct * ss)1451 static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1452 {
1453 	struct usb_serial_port *port = tty->driver_data;
1454 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1455 	int old_flags, old_divisor;
1456 
1457 	mutex_lock(&priv->cfg_lock);
1458 
1459 	if (!capable(CAP_SYS_ADMIN)) {
1460 		if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1461 			mutex_unlock(&priv->cfg_lock);
1462 			return -EPERM;
1463 		}
1464 	}
1465 
1466 	old_flags = priv->flags;
1467 	old_divisor = priv->custom_divisor;
1468 
1469 	priv->flags = ss->flags & ASYNC_FLAGS;
1470 	priv->custom_divisor = ss->custom_divisor;
1471 
1472 	write_latency_timer(port);
1473 
1474 	if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK ||
1475 			((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1476 			 priv->custom_divisor != old_divisor)) {
1477 
1478 		/* warn about deprecation unless clearing */
1479 		if (priv->flags & ASYNC_SPD_MASK)
1480 			dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1481 
1482 		change_speed(tty, port);
1483 	}
1484 	mutex_unlock(&priv->cfg_lock);
1485 	return 0;
1486 }
1487 
get_lsr_info(struct usb_serial_port * port,unsigned int __user * retinfo)1488 static int get_lsr_info(struct usb_serial_port *port,
1489 			unsigned int __user *retinfo)
1490 {
1491 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1492 	unsigned int result = 0;
1493 
1494 	if (priv->transmit_empty)
1495 		result = TIOCSER_TEMT;
1496 
1497 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1498 		return -EFAULT;
1499 	return 0;
1500 }
1501 
ftdi_determine_type(struct usb_serial_port * port)1502 static int ftdi_determine_type(struct usb_serial_port *port)
1503 {
1504 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1505 	struct usb_serial *serial = port->serial;
1506 	struct usb_device *udev = serial->dev;
1507 	unsigned int version, ifnum;
1508 
1509 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1510 	ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1511 
1512 	/* Assume Hi-Speed type */
1513 	priv->baud_base = 120000000 / 2;
1514 	priv->channel = CHANNEL_A + ifnum;
1515 
1516 	switch (version) {
1517 	case 0x200:
1518 		priv->chip_type = FT232A;
1519 		priv->baud_base = 48000000 / 2;
1520 		priv->channel = 0;
1521 		/*
1522 		 * FT232B devices have a bug where bcdDevice gets set to 0x200
1523 		 * when iSerialNumber is 0. Assume it is an FT232B in case the
1524 		 * latency timer is readable.
1525 		 */
1526 		if (udev->descriptor.iSerialNumber == 0 &&
1527 				_read_latency_timer(port) >= 0) {
1528 			priv->chip_type = FT232B;
1529 		}
1530 		break;
1531 	case 0x400:
1532 		priv->chip_type = FT232B;
1533 		priv->baud_base = 48000000 / 2;
1534 		priv->channel = 0;
1535 		break;
1536 	case 0x500:
1537 		priv->chip_type = FT2232C;
1538 		priv->baud_base = 48000000 / 2;
1539 		break;
1540 	case 0x600:
1541 		priv->chip_type = FT232R;
1542 		priv->baud_base = 48000000 / 2;
1543 		priv->channel = 0;
1544 		break;
1545 	case 0x700:
1546 		priv->chip_type = FT2232H;
1547 		break;
1548 	case 0x800:
1549 		priv->chip_type = FT4232H;
1550 		break;
1551 	case 0x900:
1552 		priv->chip_type = FT232H;
1553 		break;
1554 	case 0x1000:
1555 		priv->chip_type = FTX;
1556 		priv->baud_base = 48000000 / 2;
1557 		break;
1558 	case 0x2800:
1559 		priv->chip_type = FT2233HP;
1560 		break;
1561 	case 0x2900:
1562 		priv->chip_type = FT4233HP;
1563 		break;
1564 	case 0x3000:
1565 		priv->chip_type = FT2232HP;
1566 		break;
1567 	case 0x3100:
1568 		priv->chip_type = FT4232HP;
1569 		break;
1570 	case 0x3200:
1571 		priv->chip_type = FT233HP;
1572 		break;
1573 	case 0x3300:
1574 		priv->chip_type = FT232HP;
1575 		break;
1576 	case 0x3600:
1577 		priv->chip_type = FT4232HA;
1578 		break;
1579 	default:
1580 		if (version < 0x200) {
1581 			priv->chip_type = SIO;
1582 			priv->baud_base = 12000000 / 16;
1583 			priv->channel = 0;
1584 		} else {
1585 			dev_err(&port->dev, "unknown device type: 0x%02x\n", version);
1586 			return -ENODEV;
1587 		}
1588 	}
1589 
1590 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1591 
1592 	return 0;
1593 }
1594 
1595 
1596 /*
1597  * Determine the maximum packet size for the device. This depends on the chip
1598  * type and the USB host capabilities. The value should be obtained from the
1599  * device descriptor as the chip will use the appropriate values for the host.
1600  */
ftdi_set_max_packet_size(struct usb_serial_port * port)1601 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1602 {
1603 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1604 	struct usb_interface *interface = port->serial->interface;
1605 	struct usb_endpoint_descriptor *ep_desc;
1606 	unsigned num_endpoints;
1607 	unsigned i;
1608 
1609 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1610 	if (!num_endpoints)
1611 		return;
1612 
1613 	/*
1614 	 * NOTE: Some customers have programmed FT232R/FT245R devices
1615 	 * with an endpoint size of 0 - not good. In this case, we
1616 	 * want to override the endpoint descriptor setting and use a
1617 	 * value of 64 for wMaxPacketSize.
1618 	 */
1619 	for (i = 0; i < num_endpoints; i++) {
1620 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1621 		if (!ep_desc->wMaxPacketSize) {
1622 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1623 			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1624 					usb_endpoint_num(ep_desc));
1625 		}
1626 	}
1627 
1628 	/* Set max packet size based on last descriptor. */
1629 	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1630 }
1631 
1632 
1633 /*
1634  * ***************************************************************************
1635  * Sysfs Attribute
1636  * ***************************************************************************
1637  */
1638 
latency_timer_show(struct device * dev,struct device_attribute * attr,char * buf)1639 static ssize_t latency_timer_show(struct device *dev,
1640 				  struct device_attribute *attr, char *buf)
1641 {
1642 	struct usb_serial_port *port = to_usb_serial_port(dev);
1643 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1644 	if (priv->flags & ASYNC_LOW_LATENCY)
1645 		return sprintf(buf, "1\n");
1646 	else
1647 		return sprintf(buf, "%u\n", priv->latency);
1648 }
1649 
1650 /* 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)1651 static ssize_t latency_timer_store(struct device *dev,
1652 				   struct device_attribute *attr,
1653 				   const char *valbuf, size_t count)
1654 {
1655 	struct usb_serial_port *port = to_usb_serial_port(dev);
1656 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1657 	u8 v;
1658 	int rv;
1659 
1660 	if (kstrtou8(valbuf, 10, &v))
1661 		return -EINVAL;
1662 
1663 	priv->latency = v;
1664 	rv = write_latency_timer(port);
1665 	if (rv < 0)
1666 		return -EIO;
1667 	return count;
1668 }
1669 static DEVICE_ATTR_RW(latency_timer);
1670 
1671 /* Write an event character directly to the FTDI register.  The ASCII
1672    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)1673 static ssize_t event_char_store(struct device *dev,
1674 	struct device_attribute *attr, const char *valbuf, size_t count)
1675 {
1676 	struct usb_serial_port *port = to_usb_serial_port(dev);
1677 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1678 	struct usb_device *udev = port->serial->dev;
1679 	unsigned int v;
1680 	int rv;
1681 
1682 	if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1683 		return -EINVAL;
1684 
1685 	dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1686 
1687 	rv = usb_control_msg(udev,
1688 			     usb_sndctrlpipe(udev, 0),
1689 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1690 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1691 			     v, priv->channel,
1692 			     NULL, 0, WDR_TIMEOUT);
1693 	if (rv < 0) {
1694 		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1695 		return -EIO;
1696 	}
1697 
1698 	return count;
1699 }
1700 static DEVICE_ATTR_WO(event_char);
1701 
1702 static struct attribute *ftdi_attrs[] = {
1703 	&dev_attr_event_char.attr,
1704 	&dev_attr_latency_timer.attr,
1705 	NULL
1706 };
1707 
ftdi_is_visible(struct kobject * kobj,struct attribute * attr,int idx)1708 static umode_t ftdi_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
1709 {
1710 	struct device *dev = kobj_to_dev(kobj);
1711 	struct usb_serial_port *port = to_usb_serial_port(dev);
1712 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1713 	enum ftdi_chip_type type = priv->chip_type;
1714 
1715 	if (attr == &dev_attr_event_char.attr) {
1716 		if (type == SIO)
1717 			return 0;
1718 	}
1719 
1720 	if (attr == &dev_attr_latency_timer.attr) {
1721 		if (type == SIO || type == FT232A)
1722 			return 0;
1723 	}
1724 
1725 	return attr->mode;
1726 }
1727 
1728 static const struct attribute_group ftdi_group = {
1729 	.attrs		= ftdi_attrs,
1730 	.is_visible	= ftdi_is_visible,
1731 };
1732 
1733 static const struct attribute_group *ftdi_groups[] = {
1734 	&ftdi_group,
1735 	NULL
1736 };
1737 
1738 #ifdef CONFIG_GPIOLIB
1739 
ftdi_set_bitmode(struct usb_serial_port * port,u8 mode)1740 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1741 {
1742 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1743 	struct usb_serial *serial = port->serial;
1744 	int result;
1745 	u16 val;
1746 
1747 	result = usb_autopm_get_interface(serial->interface);
1748 	if (result)
1749 		return result;
1750 
1751 	val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1752 	result = usb_control_msg(serial->dev,
1753 				 usb_sndctrlpipe(serial->dev, 0),
1754 				 FTDI_SIO_SET_BITMODE_REQUEST,
1755 				 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1756 				 priv->channel, NULL, 0, WDR_TIMEOUT);
1757 	if (result < 0) {
1758 		dev_err(&serial->interface->dev,
1759 			"bitmode request failed for value 0x%04x: %d\n",
1760 			val, result);
1761 	}
1762 
1763 	usb_autopm_put_interface(serial->interface);
1764 
1765 	return result;
1766 }
1767 
ftdi_set_cbus_pins(struct usb_serial_port * port)1768 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1769 {
1770 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1771 }
1772 
ftdi_exit_cbus_mode(struct usb_serial_port * port)1773 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1774 {
1775 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1776 
1777 	priv->gpio_output = 0;
1778 	priv->gpio_value = 0;
1779 	return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1780 }
1781 
ftdi_gpio_request(struct gpio_chip * gc,unsigned int offset)1782 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1783 {
1784 	struct usb_serial_port *port = gpiochip_get_data(gc);
1785 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1786 	int result;
1787 
1788 	mutex_lock(&priv->gpio_lock);
1789 	if (!priv->gpio_used) {
1790 		/* Set default pin states, as we cannot get them from device */
1791 		priv->gpio_output = 0x00;
1792 		priv->gpio_value = 0x00;
1793 		result = ftdi_set_cbus_pins(port);
1794 		if (result) {
1795 			mutex_unlock(&priv->gpio_lock);
1796 			return result;
1797 		}
1798 
1799 		priv->gpio_used = true;
1800 	}
1801 	mutex_unlock(&priv->gpio_lock);
1802 
1803 	return 0;
1804 }
1805 
ftdi_read_cbus_pins(struct usb_serial_port * port)1806 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1807 {
1808 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1809 	struct usb_serial *serial = port->serial;
1810 	u8 buf;
1811 	int result;
1812 
1813 	result = usb_autopm_get_interface(serial->interface);
1814 	if (result)
1815 		return result;
1816 
1817 	result = usb_control_msg_recv(serial->dev, 0,
1818 				      FTDI_SIO_READ_PINS_REQUEST,
1819 				      FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1820 				      priv->channel, &buf, 1, WDR_TIMEOUT,
1821 				      GFP_KERNEL);
1822 	if (result == 0)
1823 		result = buf;
1824 
1825 	usb_autopm_put_interface(serial->interface);
1826 
1827 	return result;
1828 }
1829 
ftdi_gpio_get(struct gpio_chip * gc,unsigned int gpio)1830 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1831 {
1832 	struct usb_serial_port *port = gpiochip_get_data(gc);
1833 	int result;
1834 
1835 	result = ftdi_read_cbus_pins(port);
1836 	if (result < 0)
1837 		return result;
1838 
1839 	return !!(result & BIT(gpio));
1840 }
1841 
ftdi_gpio_set(struct gpio_chip * gc,unsigned int gpio,int value)1842 static void ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1843 {
1844 	struct usb_serial_port *port = gpiochip_get_data(gc);
1845 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1846 
1847 	mutex_lock(&priv->gpio_lock);
1848 
1849 	if (value)
1850 		priv->gpio_value |= BIT(gpio);
1851 	else
1852 		priv->gpio_value &= ~BIT(gpio);
1853 
1854 	ftdi_set_cbus_pins(port);
1855 
1856 	mutex_unlock(&priv->gpio_lock);
1857 }
1858 
ftdi_gpio_get_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1859 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1860 					unsigned long *bits)
1861 {
1862 	struct usb_serial_port *port = gpiochip_get_data(gc);
1863 	int result;
1864 
1865 	result = ftdi_read_cbus_pins(port);
1866 	if (result < 0)
1867 		return result;
1868 
1869 	*bits = result & *mask;
1870 
1871 	return 0;
1872 }
1873 
ftdi_gpio_set_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1874 static void ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1875 					unsigned long *bits)
1876 {
1877 	struct usb_serial_port *port = gpiochip_get_data(gc);
1878 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1879 
1880 	mutex_lock(&priv->gpio_lock);
1881 
1882 	priv->gpio_value &= ~(*mask);
1883 	priv->gpio_value |= *bits & *mask;
1884 	ftdi_set_cbus_pins(port);
1885 
1886 	mutex_unlock(&priv->gpio_lock);
1887 }
1888 
ftdi_gpio_direction_get(struct gpio_chip * gc,unsigned int gpio)1889 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1890 {
1891 	struct usb_serial_port *port = gpiochip_get_data(gc);
1892 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1893 
1894 	return !(priv->gpio_output & BIT(gpio));
1895 }
1896 
ftdi_gpio_direction_input(struct gpio_chip * gc,unsigned int gpio)1897 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1898 {
1899 	struct usb_serial_port *port = gpiochip_get_data(gc);
1900 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1901 	int result;
1902 
1903 	mutex_lock(&priv->gpio_lock);
1904 
1905 	priv->gpio_output &= ~BIT(gpio);
1906 	result = ftdi_set_cbus_pins(port);
1907 
1908 	mutex_unlock(&priv->gpio_lock);
1909 
1910 	return result;
1911 }
1912 
ftdi_gpio_direction_output(struct gpio_chip * gc,unsigned int gpio,int value)1913 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1914 					int value)
1915 {
1916 	struct usb_serial_port *port = gpiochip_get_data(gc);
1917 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1918 	int result;
1919 
1920 	mutex_lock(&priv->gpio_lock);
1921 
1922 	priv->gpio_output |= BIT(gpio);
1923 	if (value)
1924 		priv->gpio_value |= BIT(gpio);
1925 	else
1926 		priv->gpio_value &= ~BIT(gpio);
1927 
1928 	result = ftdi_set_cbus_pins(port);
1929 
1930 	mutex_unlock(&priv->gpio_lock);
1931 
1932 	return result;
1933 }
1934 
ftdi_gpio_init_valid_mask(struct gpio_chip * gc,unsigned long * valid_mask,unsigned int ngpios)1935 static int ftdi_gpio_init_valid_mask(struct gpio_chip *gc,
1936 				     unsigned long *valid_mask,
1937 				     unsigned int ngpios)
1938 {
1939 	struct usb_serial_port *port = gpiochip_get_data(gc);
1940 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1941 	unsigned long map = priv->gpio_altfunc;
1942 
1943 	bitmap_complement(valid_mask, &map, ngpios);
1944 
1945 	if (bitmap_empty(valid_mask, ngpios))
1946 		dev_dbg(&port->dev, "no CBUS pin configured for GPIO\n");
1947 	else
1948 		dev_dbg(&port->dev, "CBUS%*pbl configured for GPIO\n", ngpios,
1949 			valid_mask);
1950 
1951 	return 0;
1952 }
1953 
ftdi_read_eeprom(struct usb_serial * serial,void * dst,u16 addr,u16 nbytes)1954 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
1955 				u16 nbytes)
1956 {
1957 	int read = 0;
1958 
1959 	if (addr % 2 != 0)
1960 		return -EINVAL;
1961 	if (nbytes % 2 != 0)
1962 		return -EINVAL;
1963 
1964 	/* Read EEPROM two bytes at a time */
1965 	while (read < nbytes) {
1966 		int rv;
1967 
1968 		rv = usb_control_msg(serial->dev,
1969 				     usb_rcvctrlpipe(serial->dev, 0),
1970 				     FTDI_SIO_READ_EEPROM_REQUEST,
1971 				     FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
1972 				     0, (addr + read) / 2, dst + read, 2,
1973 				     WDR_TIMEOUT);
1974 		if (rv < 2) {
1975 			if (rv >= 0)
1976 				return -EIO;
1977 			else
1978 				return rv;
1979 		}
1980 
1981 		read += rv;
1982 	}
1983 
1984 	return 0;
1985 }
1986 
ftdi_gpio_init_ft232h(struct usb_serial_port * port)1987 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
1988 {
1989 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1990 	u16 cbus_config;
1991 	u8 *buf;
1992 	int ret;
1993 	int i;
1994 
1995 	buf = kmalloc(4, GFP_KERNEL);
1996 	if (!buf)
1997 		return -ENOMEM;
1998 
1999 	ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
2000 	if (ret < 0)
2001 		goto out_free;
2002 
2003 	/*
2004 	 * FT232H CBUS Memory Map
2005 	 *
2006 	 * 0x1a: X- (upper nibble -> AC5)
2007 	 * 0x1b: -X (lower nibble -> AC6)
2008 	 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2009 	 */
2010 	cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2011 
2012 	priv->gc.ngpio = 4;
2013 	priv->gpio_altfunc = 0xff;
2014 
2015 	for (i = 0; i < priv->gc.ngpio; ++i) {
2016 		if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2017 			priv->gpio_altfunc &= ~BIT(i);
2018 		cbus_config >>= 4;
2019 	}
2020 
2021 out_free:
2022 	kfree(buf);
2023 
2024 	return ret;
2025 }
2026 
ftdi_gpio_init_ft232r(struct usb_serial_port * port)2027 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2028 {
2029 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2030 	u16 cbus_config;
2031 	u8 *buf;
2032 	int ret;
2033 	int i;
2034 
2035 	buf = kmalloc(2, GFP_KERNEL);
2036 	if (!buf)
2037 		return -ENOMEM;
2038 
2039 	ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2040 	if (ret < 0)
2041 		goto out_free;
2042 
2043 	cbus_config = le16_to_cpup((__le16 *)buf);
2044 	dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2045 
2046 	priv->gc.ngpio = 4;
2047 
2048 	priv->gpio_altfunc = 0xff;
2049 	for (i = 0; i < priv->gc.ngpio; ++i) {
2050 		if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2051 			priv->gpio_altfunc &= ~BIT(i);
2052 		cbus_config >>= 4;
2053 	}
2054 out_free:
2055 	kfree(buf);
2056 
2057 	return ret;
2058 }
2059 
ftdi_gpio_init_ftx(struct usb_serial_port * port)2060 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2061 {
2062 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2063 	struct usb_serial *serial = port->serial;
2064 	const u16 cbus_cfg_addr = 0x1a;
2065 	const u16 cbus_cfg_size = 4;
2066 	u8 *cbus_cfg_buf;
2067 	int result;
2068 	u8 i;
2069 
2070 	cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2071 	if (!cbus_cfg_buf)
2072 		return -ENOMEM;
2073 
2074 	result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2075 				  cbus_cfg_addr, cbus_cfg_size);
2076 	if (result < 0)
2077 		goto out_free;
2078 
2079 	/* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2080 	priv->gc.ngpio = 4;
2081 
2082 	/* Determine which pins are configured for CBUS bitbanging */
2083 	priv->gpio_altfunc = 0xff;
2084 	for (i = 0; i < priv->gc.ngpio; ++i) {
2085 		if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2086 			priv->gpio_altfunc &= ~BIT(i);
2087 	}
2088 
2089 out_free:
2090 	kfree(cbus_cfg_buf);
2091 
2092 	return result;
2093 }
2094 
ftdi_gpio_init(struct usb_serial_port * port)2095 static int ftdi_gpio_init(struct usb_serial_port *port)
2096 {
2097 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2098 	struct usb_serial *serial = port->serial;
2099 	int result;
2100 
2101 	switch (priv->chip_type) {
2102 	case FT232H:
2103 		result = ftdi_gpio_init_ft232h(port);
2104 		break;
2105 	case FT232R:
2106 		result = ftdi_gpio_init_ft232r(port);
2107 		break;
2108 	case FTX:
2109 		result = ftdi_gpio_init_ftx(port);
2110 		break;
2111 	default:
2112 		return 0;
2113 	}
2114 
2115 	if (result < 0)
2116 		return result;
2117 
2118 	mutex_init(&priv->gpio_lock);
2119 
2120 	priv->gc.label = "ftdi-cbus";
2121 	priv->gc.request = ftdi_gpio_request;
2122 	priv->gc.get_direction = ftdi_gpio_direction_get;
2123 	priv->gc.direction_input = ftdi_gpio_direction_input;
2124 	priv->gc.direction_output = ftdi_gpio_direction_output;
2125 	priv->gc.init_valid_mask = ftdi_gpio_init_valid_mask;
2126 	priv->gc.get = ftdi_gpio_get;
2127 	priv->gc.set = ftdi_gpio_set;
2128 	priv->gc.get_multiple = ftdi_gpio_get_multiple;
2129 	priv->gc.set_multiple = ftdi_gpio_set_multiple;
2130 	priv->gc.owner = THIS_MODULE;
2131 	priv->gc.parent = &serial->interface->dev;
2132 	priv->gc.base = -1;
2133 	priv->gc.can_sleep = true;
2134 
2135 	result = gpiochip_add_data(&priv->gc, port);
2136 	if (!result)
2137 		priv->gpio_registered = true;
2138 
2139 	return result;
2140 }
2141 
ftdi_gpio_remove(struct usb_serial_port * port)2142 static void ftdi_gpio_remove(struct usb_serial_port *port)
2143 {
2144 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2145 
2146 	if (priv->gpio_registered) {
2147 		gpiochip_remove(&priv->gc);
2148 		priv->gpio_registered = false;
2149 	}
2150 
2151 	if (priv->gpio_used) {
2152 		/* Exiting CBUS-mode does not reset pin states. */
2153 		ftdi_exit_cbus_mode(port);
2154 		priv->gpio_used = false;
2155 	}
2156 }
2157 
2158 #else
2159 
ftdi_gpio_init(struct usb_serial_port * port)2160 static int ftdi_gpio_init(struct usb_serial_port *port)
2161 {
2162 	return 0;
2163 }
2164 
ftdi_gpio_remove(struct usb_serial_port * port)2165 static void ftdi_gpio_remove(struct usb_serial_port *port) { }
2166 
2167 #endif	/* CONFIG_GPIOLIB */
2168 
2169 /*
2170  * ***************************************************************************
2171  * FTDI driver specific functions
2172  * ***************************************************************************
2173  */
2174 
ftdi_probe(struct usb_serial * serial,const struct usb_device_id * id)2175 static int ftdi_probe(struct usb_serial *serial, const struct usb_device_id *id)
2176 {
2177 	const struct ftdi_quirk *quirk = (struct ftdi_quirk *)id->driver_info;
2178 
2179 	if (quirk && quirk->probe) {
2180 		int ret = quirk->probe(serial);
2181 		if (ret != 0)
2182 			return ret;
2183 	}
2184 
2185 	usb_set_serial_data(serial, (void *)id->driver_info);
2186 
2187 	return 0;
2188 }
2189 
ftdi_port_probe(struct usb_serial_port * port)2190 static int ftdi_port_probe(struct usb_serial_port *port)
2191 {
2192 	const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial);
2193 	struct ftdi_private *priv;
2194 	int result;
2195 
2196 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
2197 	if (!priv)
2198 		return -ENOMEM;
2199 
2200 	mutex_init(&priv->cfg_lock);
2201 
2202 	if (quirk && quirk->port_probe)
2203 		quirk->port_probe(priv);
2204 
2205 	usb_set_serial_port_data(port, priv);
2206 
2207 	result = ftdi_determine_type(port);
2208 	if (result)
2209 		goto err_free;
2210 
2211 	ftdi_set_max_packet_size(port);
2212 	if (read_latency_timer(port) < 0)
2213 		priv->latency = 16;
2214 	write_latency_timer(port);
2215 
2216 	result = ftdi_gpio_init(port);
2217 	if (result < 0) {
2218 		dev_err(&port->serial->interface->dev,
2219 			"GPIO initialisation failed: %d\n",
2220 			result);
2221 	}
2222 
2223 	return 0;
2224 
2225 err_free:
2226 	kfree(priv);
2227 
2228 	return result;
2229 }
2230 
2231 /* Setup for the USB-UIRT device, which requires hardwired
2232  * baudrate (38400 gets mapped to 312500) */
2233 /* Called from usbserial:serial_probe */
ftdi_USB_UIRT_setup(struct ftdi_private * priv)2234 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
2235 {
2236 	priv->flags |= ASYNC_SPD_CUST;
2237 	priv->custom_divisor = 77;
2238 	priv->force_baud = 38400;
2239 }
2240 
2241 /* Setup for the HE-TIRA1 device, which requires hardwired
2242  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
2243 
ftdi_HE_TIRA1_setup(struct ftdi_private * priv)2244 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
2245 {
2246 	priv->flags |= ASYNC_SPD_CUST;
2247 	priv->custom_divisor = 240;
2248 	priv->force_baud = 38400;
2249 	priv->force_rtscts = 1;
2250 }
2251 
2252 /*
2253  * Module parameter to control latency timer for NDI FTDI-based USB devices.
2254  * If this value is not set in /etc/modprobe.d/ its value will be set
2255  * to 1ms.
2256  */
2257 static int ndi_latency_timer = 1;
2258 
2259 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
2260  * baudrate (19200 gets mapped to 1200000).
2261  *
2262  * Called from usbserial:serial_probe.
2263  */
ftdi_NDI_device_setup(struct usb_serial * serial)2264 static int ftdi_NDI_device_setup(struct usb_serial *serial)
2265 {
2266 	struct usb_device *udev = serial->dev;
2267 	int latency = ndi_latency_timer;
2268 
2269 	if (latency == 0)
2270 		latency = 1;
2271 	if (latency > 99)
2272 		latency = 99;
2273 
2274 	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
2275 	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
2276 
2277 	/* FIXME: errors are not returned */
2278 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
2279 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
2280 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
2281 				latency, 0, NULL, 0, WDR_TIMEOUT);
2282 	return 0;
2283 }
2284 
2285 /*
2286  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
2287  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
2288  * userspace using openocd.
2289  */
ftdi_jtag_probe(struct usb_serial * serial)2290 static int ftdi_jtag_probe(struct usb_serial *serial)
2291 {
2292 	struct usb_interface *intf = serial->interface;
2293 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2294 
2295 	if (ifnum == 0) {
2296 		dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2297 		return -ENODEV;
2298 	}
2299 
2300 	return 0;
2301 }
2302 
ftdi_8u2232c_probe(struct usb_serial * serial)2303 static int ftdi_8u2232c_probe(struct usb_serial *serial)
2304 {
2305 	struct usb_device *udev = serial->dev;
2306 
2307 	if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
2308 		return ftdi_jtag_probe(serial);
2309 
2310 	if (udev->product &&
2311 		(!strcmp(udev->product, "Arrow USB Blaster") ||
2312 		 !strcmp(udev->product, "BeagleBone/XDS100V2") ||
2313 		 !strcmp(udev->product, "SNAP Connect E10")))
2314 		return ftdi_jtag_probe(serial);
2315 
2316 	return 0;
2317 }
2318 
2319 /*
2320  * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
2321  * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
2322  * can be accessed from userspace.
2323  * The next two ports are enabled as UARTs by default, where port 2 is
2324  * a conventional RS-232 UART.
2325  */
ftdi_stmclite_probe(struct usb_serial * serial)2326 static int ftdi_stmclite_probe(struct usb_serial *serial)
2327 {
2328 	struct usb_interface *intf = serial->interface;
2329 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2330 
2331 	if (ifnum < 2) {
2332 		dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2333 		return -ENODEV;
2334 	}
2335 
2336 	return 0;
2337 }
2338 
ftdi_port_remove(struct usb_serial_port * port)2339 static void ftdi_port_remove(struct usb_serial_port *port)
2340 {
2341 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2342 
2343 	ftdi_gpio_remove(port);
2344 
2345 	kfree(priv);
2346 }
2347 
ftdi_open(struct tty_struct * tty,struct usb_serial_port * port)2348 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2349 {
2350 	struct usb_device *dev = port->serial->dev;
2351 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2352 
2353 	/* No error checking for this (will get errors later anyway) */
2354 	/* See ftdi_sio.h for description of what is reset */
2355 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2356 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2357 			FTDI_SIO_RESET_SIO,
2358 			priv->channel, NULL, 0, WDR_TIMEOUT);
2359 
2360 	/* Termios defaults are set by usb_serial_init. We don't change
2361 	   port->tty->termios - this would lose speed settings, etc.
2362 	   This is same behaviour as serial.c/rs_open() - Kuba */
2363 
2364 	/* ftdi_set_termios  will send usb control messages */
2365 	if (tty)
2366 		ftdi_set_termios(tty, port, NULL);
2367 
2368 	return usb_serial_generic_open(tty, port);
2369 }
2370 
ftdi_dtr_rts(struct usb_serial_port * port,int on)2371 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2372 {
2373 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2374 
2375 	/* Disable flow control */
2376 	if (!on) {
2377 		if (usb_control_msg(port->serial->dev,
2378 			    usb_sndctrlpipe(port->serial->dev, 0),
2379 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2380 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2381 			    0, priv->channel, NULL, 0,
2382 			    WDR_TIMEOUT) < 0) {
2383 			dev_err(&port->dev, "error from flowcontrol urb\n");
2384 		}
2385 	}
2386 	/* drop RTS and DTR */
2387 	if (on)
2388 		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2389 	else
2390 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2391 }
2392 
2393 /* The SIO requires the first byte to have:
2394  *  B0 1
2395  *  B1 0
2396  *  B2..7 length of message excluding byte 0
2397  *
2398  * The new devices do not require this byte
2399  */
ftdi_prepare_write_buffer(struct usb_serial_port * port,void * dest,size_t size)2400 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2401 						void *dest, size_t size)
2402 {
2403 	struct ftdi_private *priv;
2404 	int count;
2405 	unsigned long flags;
2406 
2407 	priv = usb_get_serial_port_data(port);
2408 
2409 	if (priv->chip_type == SIO) {
2410 		unsigned char *buffer = dest;
2411 		int i, len, c;
2412 
2413 		count = 0;
2414 		spin_lock_irqsave(&port->lock, flags);
2415 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
2416 			len = min_t(int, size - i, priv->max_packet_size) - 1;
2417 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2418 			if (!c)
2419 				break;
2420 			port->icount.tx += c;
2421 			buffer[i] = (c << 2) + 1;
2422 			count += c + 1;
2423 		}
2424 		spin_unlock_irqrestore(&port->lock, flags);
2425 	} else {
2426 		count = kfifo_out_locked(&port->write_fifo, dest, size,
2427 								&port->lock);
2428 		port->icount.tx += count;
2429 	}
2430 
2431 	return count;
2432 }
2433 
2434 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2435 
ftdi_process_packet(struct usb_serial_port * port,struct ftdi_private * priv,unsigned char * buf,int len)2436 static int ftdi_process_packet(struct usb_serial_port *port,
2437 		struct ftdi_private *priv, unsigned char *buf, int len)
2438 {
2439 	unsigned char status;
2440 	bool brkint = false;
2441 	int i;
2442 	char flag;
2443 
2444 	if (len < 2) {
2445 		dev_dbg(&port->dev, "malformed packet\n");
2446 		return 0;
2447 	}
2448 
2449 	/* Compare new line status to the old one, signal if different/
2450 	   N.B. packet may be processed more than once, but differences
2451 	   are only processed once.  */
2452 	status = buf[0] & FTDI_STATUS_B0_MASK;
2453 	if (status != priv->prev_status) {
2454 		char diff_status = status ^ priv->prev_status;
2455 
2456 		if (diff_status & FTDI_RS0_CTS)
2457 			port->icount.cts++;
2458 		if (diff_status & FTDI_RS0_DSR)
2459 			port->icount.dsr++;
2460 		if (diff_status & FTDI_RS0_RI)
2461 			port->icount.rng++;
2462 		if (diff_status & FTDI_RS0_RLSD) {
2463 			struct tty_struct *tty;
2464 
2465 			port->icount.dcd++;
2466 			tty = tty_port_tty_get(&port->port);
2467 			if (tty)
2468 				usb_serial_handle_dcd_change(port, tty,
2469 						status & FTDI_RS0_RLSD);
2470 			tty_kref_put(tty);
2471 		}
2472 
2473 		wake_up_interruptible(&port->port.delta_msr_wait);
2474 		priv->prev_status = status;
2475 	}
2476 
2477 	/* save if the transmitter is empty or not */
2478 	if (buf[1] & FTDI_RS_TEMT)
2479 		priv->transmit_empty = 1;
2480 	else
2481 		priv->transmit_empty = 0;
2482 
2483 	if (len == 2)
2484 		return 0;	/* status only */
2485 
2486 	/*
2487 	 * Break and error status must only be processed for packets with
2488 	 * data payload to avoid over-reporting.
2489 	 */
2490 	flag = TTY_NORMAL;
2491 	if (buf[1] & FTDI_RS_ERR_MASK) {
2492 		/*
2493 		 * Break takes precedence over parity, which takes precedence
2494 		 * over framing errors. Note that break is only associated
2495 		 * with the last character in the buffer and only when it's a
2496 		 * NUL.
2497 		 */
2498 		if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') {
2499 			port->icount.brk++;
2500 			brkint = true;
2501 		}
2502 		if (buf[1] & FTDI_RS_PE) {
2503 			flag = TTY_PARITY;
2504 			port->icount.parity++;
2505 		} else if (buf[1] & FTDI_RS_FE) {
2506 			flag = TTY_FRAME;
2507 			port->icount.frame++;
2508 		}
2509 		/* Overrun is special, not associated with a char */
2510 		if (buf[1] & FTDI_RS_OE) {
2511 			port->icount.overrun++;
2512 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2513 		}
2514 	}
2515 
2516 	port->icount.rx += len - 2;
2517 
2518 	if (brkint || port->sysrq) {
2519 		for (i = 2; i < len; i++) {
2520 			if (brkint && i == len - 1) {
2521 				if (usb_serial_handle_break(port))
2522 					return len - 3;
2523 				flag = TTY_BREAK;
2524 			}
2525 			if (usb_serial_handle_sysrq_char(port, buf[i]))
2526 				continue;
2527 			tty_insert_flip_char(&port->port, buf[i], flag);
2528 		}
2529 	} else {
2530 		tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
2531 				len - 2);
2532 	}
2533 
2534 	return len - 2;
2535 }
2536 
ftdi_process_read_urb(struct urb * urb)2537 static void ftdi_process_read_urb(struct urb *urb)
2538 {
2539 	struct usb_serial_port *port = urb->context;
2540 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2541 	char *data = urb->transfer_buffer;
2542 	int i;
2543 	int len;
2544 	int count = 0;
2545 
2546 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2547 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2548 		count += ftdi_process_packet(port, priv, &data[i], len);
2549 	}
2550 
2551 	if (count)
2552 		tty_flip_buffer_push(&port->port);
2553 }
2554 
ftdi_break_ctl(struct tty_struct * tty,int break_state)2555 static int ftdi_break_ctl(struct tty_struct *tty, int break_state)
2556 {
2557 	struct usb_serial_port *port = tty->driver_data;
2558 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2559 	u16 value;
2560 	int ret;
2561 
2562 	/* break_state = -1 to turn on break, and 0 to turn off break */
2563 	/* see drivers/char/tty_io.c to see it used */
2564 	/* last_set_data_value NEVER has the break bit set in it */
2565 
2566 	if (break_state)
2567 		value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2568 	else
2569 		value = priv->last_set_data_value;
2570 
2571 	ret = usb_control_msg(port->serial->dev,
2572 			usb_sndctrlpipe(port->serial->dev, 0),
2573 			FTDI_SIO_SET_DATA_REQUEST,
2574 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2575 			value, priv->channel,
2576 			NULL, 0, WDR_TIMEOUT);
2577 	if (ret < 0) {
2578 		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2579 			__func__, break_state);
2580 		return ret;
2581 	}
2582 
2583 	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2584 		break_state, value);
2585 
2586 	return 0;
2587 }
2588 
ftdi_tx_empty(struct usb_serial_port * port)2589 static bool ftdi_tx_empty(struct usb_serial_port *port)
2590 {
2591 	unsigned char buf[2];
2592 	int ret;
2593 
2594 	ret = ftdi_get_modem_status(port, buf);
2595 	if (ret == 2) {
2596 		if (!(buf[1] & FTDI_RS_TEMT))
2597 			return false;
2598 	}
2599 
2600 	return true;
2601 }
2602 
2603 /* old_termios contains the original termios settings and tty->termios contains
2604  * the new setting to be used
2605  * WARNING: set_termios calls this with old_termios in kernel space
2606  */
ftdi_set_termios(struct tty_struct * tty,struct usb_serial_port * port,const struct ktermios * old_termios)2607 static void ftdi_set_termios(struct tty_struct *tty,
2608 		             struct usb_serial_port *port,
2609 		             const struct ktermios *old_termios)
2610 {
2611 	struct usb_device *dev = port->serial->dev;
2612 	struct device *ddev = &port->dev;
2613 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2614 	struct ktermios *termios = &tty->termios;
2615 	unsigned int cflag = termios->c_cflag;
2616 	u16 value, index;
2617 	int ret;
2618 
2619 	/* Force baud rate if this device requires it, unless it is set to
2620 	   B0. */
2621 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2622 		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2623 		tty_encode_baud_rate(tty, priv->force_baud,
2624 					priv->force_baud);
2625 	}
2626 
2627 	/* Force RTS-CTS if this device requires it. */
2628 	if (priv->force_rtscts) {
2629 		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2630 		termios->c_cflag |= CRTSCTS;
2631 	}
2632 
2633 	/*
2634 	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2635 	 * support CS5/6 and revert the CSIZE setting instead.
2636 	 *
2637 	 * CS5 however is used to control some smartcard readers which abuse
2638 	 * this limitation to switch modes. Original FTDI chips fall back to
2639 	 * eight data bits.
2640 	 *
2641 	 * TODO: Implement a quirk to only allow this with mentioned
2642 	 *       readers. One I know of (Argolis Smartreader V1)
2643 	 *       returns "USB smartcard server" as iInterface string.
2644 	 *       The vendor didn't bother with a custom VID/PID of
2645 	 *       course.
2646 	 */
2647 	if (C_CSIZE(tty) == CS6) {
2648 		dev_warn(ddev, "requested CSIZE setting not supported\n");
2649 
2650 		termios->c_cflag &= ~CSIZE;
2651 		if (old_termios)
2652 			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2653 		else
2654 			termios->c_cflag |= CS8;
2655 	}
2656 
2657 	cflag = termios->c_cflag;
2658 
2659 	if (!old_termios)
2660 		goto no_skip;
2661 
2662 	if (old_termios->c_cflag == termios->c_cflag
2663 	    && old_termios->c_ispeed == termios->c_ispeed
2664 	    && old_termios->c_ospeed == termios->c_ospeed)
2665 		goto no_c_cflag_changes;
2666 
2667 	/* NOTE These routines can get interrupted by
2668 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2669 	   don't see any problems yet */
2670 
2671 	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2672 	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2673 		goto no_data_parity_stop_changes;
2674 
2675 no_skip:
2676 	/* Set number of data bits, parity, stop bits */
2677 
2678 	value = 0;
2679 	value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2680 			FTDI_SIO_SET_DATA_STOP_BITS_1);
2681 	if (cflag & PARENB) {
2682 		if (cflag & CMSPAR)
2683 			value |= cflag & PARODD ?
2684 					FTDI_SIO_SET_DATA_PARITY_MARK :
2685 					FTDI_SIO_SET_DATA_PARITY_SPACE;
2686 		else
2687 			value |= cflag & PARODD ?
2688 					FTDI_SIO_SET_DATA_PARITY_ODD :
2689 					FTDI_SIO_SET_DATA_PARITY_EVEN;
2690 	} else {
2691 		value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2692 	}
2693 	switch (cflag & CSIZE) {
2694 	case CS5:
2695 		dev_dbg(ddev, "Setting CS5 quirk\n");
2696 		break;
2697 	case CS7:
2698 		value |= 7;
2699 		dev_dbg(ddev, "Setting CS7\n");
2700 		break;
2701 	default:
2702 	case CS8:
2703 		value |= 8;
2704 		dev_dbg(ddev, "Setting CS8\n");
2705 		break;
2706 	}
2707 
2708 	/* This is needed by the break command since it uses the same command
2709 	   - but is or'ed with this value  */
2710 	priv->last_set_data_value = value;
2711 
2712 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2713 			    FTDI_SIO_SET_DATA_REQUEST,
2714 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2715 			    value, priv->channel,
2716 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2717 		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2718 			__func__);
2719 	}
2720 
2721 	/* Now do the baudrate */
2722 no_data_parity_stop_changes:
2723 	if ((cflag & CBAUD) == B0) {
2724 		/* Disable flow control */
2725 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2726 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2727 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2728 				    0, priv->channel,
2729 				    NULL, 0, WDR_TIMEOUT) < 0) {
2730 			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2731 				__func__);
2732 		}
2733 		/* Drop RTS and DTR */
2734 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2735 	} else {
2736 		/* set the baudrate determined before */
2737 		mutex_lock(&priv->cfg_lock);
2738 		if (change_speed(tty, port))
2739 			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2740 		mutex_unlock(&priv->cfg_lock);
2741 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2742 		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2743 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2744 	}
2745 
2746 no_c_cflag_changes:
2747 	/* Set hardware-assisted flow control */
2748 	value = 0;
2749 
2750 	if (C_CRTSCTS(tty)) {
2751 		dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2752 		index = FTDI_SIO_RTS_CTS_HS;
2753 	} else if (I_IXON(tty)) {
2754 		dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2755 		index = FTDI_SIO_XON_XOFF_HS;
2756 		value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2757 	} else {
2758 		dev_dbg(&port->dev, "disabling flow control\n");
2759 		index = FTDI_SIO_DISABLE_FLOW_CTRL;
2760 	}
2761 
2762 	index |= priv->channel;
2763 
2764 	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2765 			FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2766 			FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2767 			value, index, NULL, 0, WDR_TIMEOUT);
2768 	if (ret < 0)
2769 		dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2770 }
2771 
2772 /*
2773  * Get modem-control status.
2774  *
2775  * Returns the number of status bytes retrieved (device dependant), or
2776  * negative error code.
2777  */
ftdi_get_modem_status(struct usb_serial_port * port,unsigned char status[2])2778 static int ftdi_get_modem_status(struct usb_serial_port *port,
2779 						unsigned char status[2])
2780 {
2781 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2782 	unsigned char *buf;
2783 	int len;
2784 	int ret;
2785 
2786 	buf = kmalloc(2, GFP_KERNEL);
2787 	if (!buf)
2788 		return -ENOMEM;
2789 	/*
2790 	 * The device returns a two byte value (the SIO a 1 byte value) in the
2791 	 * same format as the data returned from the IN endpoint.
2792 	 */
2793 	if (priv->chip_type == SIO)
2794 		len = 1;
2795 	else
2796 		len = 2;
2797 
2798 	ret = usb_control_msg(port->serial->dev,
2799 			usb_rcvctrlpipe(port->serial->dev, 0),
2800 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2801 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2802 			0, priv->channel,
2803 			buf, len, WDR_TIMEOUT);
2804 
2805 	/* NOTE: We allow short responses and handle that below. */
2806 	if (ret < 1) {
2807 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2808 		if (ret >= 0)
2809 			ret = -EIO;
2810 		ret = usb_translate_errors(ret);
2811 		goto out;
2812 	}
2813 
2814 	status[0] = buf[0];
2815 	if (ret > 1)
2816 		status[1] = buf[1];
2817 	else
2818 		status[1] = 0;
2819 
2820 	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2821 								status[1]);
2822 out:
2823 	kfree(buf);
2824 
2825 	return ret;
2826 }
2827 
ftdi_tiocmget(struct tty_struct * tty)2828 static int ftdi_tiocmget(struct tty_struct *tty)
2829 {
2830 	struct usb_serial_port *port = tty->driver_data;
2831 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2832 	unsigned char buf[2];
2833 	int ret;
2834 
2835 	ret = ftdi_get_modem_status(port, buf);
2836 	if (ret < 0)
2837 		return ret;
2838 
2839 	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2840 		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2841 		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2842 		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2843 		priv->last_dtr_rts;
2844 
2845 	return ret;
2846 }
2847 
ftdi_tiocmset(struct tty_struct * tty,unsigned int set,unsigned int clear)2848 static int ftdi_tiocmset(struct tty_struct *tty,
2849 			unsigned int set, unsigned int clear)
2850 {
2851 	struct usb_serial_port *port = tty->driver_data;
2852 
2853 	return update_mctrl(port, set, clear);
2854 }
2855 
ftdi_ioctl(struct tty_struct * tty,unsigned int cmd,unsigned long arg)2856 static int ftdi_ioctl(struct tty_struct *tty,
2857 					unsigned int cmd, unsigned long arg)
2858 {
2859 	struct usb_serial_port *port = tty->driver_data;
2860 	void __user *argp = (void __user *)arg;
2861 
2862 	switch (cmd) {
2863 	case TIOCSERGETLSR:
2864 		return get_lsr_info(port, argp);
2865 	default:
2866 		break;
2867 	}
2868 
2869 	return -ENOIOCTLCMD;
2870 }
2871 
2872 static struct usb_serial_driver ftdi_device = {
2873 	.driver = {
2874 		.owner =	THIS_MODULE,
2875 		.name =		"ftdi_sio",
2876 		.dev_groups =	ftdi_groups,
2877 	},
2878 	.description =		"FTDI USB Serial Device",
2879 	.id_table =		id_table_combined,
2880 	.num_ports =		1,
2881 	.bulk_in_size =		512,
2882 	.bulk_out_size =	256,
2883 	.probe =		ftdi_probe,
2884 	.port_probe =		ftdi_port_probe,
2885 	.port_remove =		ftdi_port_remove,
2886 	.open =			ftdi_open,
2887 	.dtr_rts =		ftdi_dtr_rts,
2888 	.throttle =		usb_serial_generic_throttle,
2889 	.unthrottle =		usb_serial_generic_unthrottle,
2890 	.process_read_urb =	ftdi_process_read_urb,
2891 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
2892 	.tiocmget =		ftdi_tiocmget,
2893 	.tiocmset =		ftdi_tiocmset,
2894 	.tiocmiwait =		usb_serial_generic_tiocmiwait,
2895 	.get_icount =		usb_serial_generic_get_icount,
2896 	.ioctl =		ftdi_ioctl,
2897 	.get_serial =		get_serial_info,
2898 	.set_serial =		set_serial_info,
2899 	.set_termios =		ftdi_set_termios,
2900 	.break_ctl =		ftdi_break_ctl,
2901 	.tx_empty =		ftdi_tx_empty,
2902 };
2903 
2904 static struct usb_serial_driver * const serial_drivers[] = {
2905 	&ftdi_device, NULL
2906 };
2907 module_usb_serial_driver(serial_drivers, id_table_combined);
2908 
2909 MODULE_AUTHOR(DRIVER_AUTHOR);
2910 MODULE_DESCRIPTION(DRIVER_DESC);
2911 MODULE_LICENSE("GPL");
2912 
2913 module_param(ndi_latency_timer, int, 0644);
2914 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2915