xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision 9c1f8594)
1 /*
2  * USB FTDI SIO driver
3  *
4  *	Copyright (C) 2009 - 2010
5  *	    Johan Hovold (jhovold@gmail.com)
6  *	Copyright (C) 1999 - 2001
7  *	    Greg Kroah-Hartman (greg@kroah.com)
8  *          Bill Ryder (bryder@sgi.com)
9  *	Copyright (C) 2002
10  *	    Kuba Ober (kuba@mareimbrium.org)
11  *
12  *	This program is free software; you can redistribute it and/or modify
13  *	it under the terms of the GNU General Public License as published by
14  *	the Free Software Foundation; either version 2 of the License, or
15  *	(at your option) any later version.
16  *
17  * See Documentation/usb/usb-serial.txt for more information on using this
18  * driver
19  *
20  * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
21  *	and extra documentation
22  *
23  * Change entries from 2004 and earlier can be found in versions of this
24  * file in kernel versions prior to the 2.6.24 release.
25  *
26  */
27 
28 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
29 /* Thanx to FTDI for so kindly providing details of the protocol required */
30 /*   to talk to the device */
31 /* Thanx to gkh and the rest of the usb dev group for all code I have
32    assimilated :-) */
33 
34 #include <linux/kernel.h>
35 #include <linux/errno.h>
36 #include <linux/init.h>
37 #include <linux/slab.h>
38 #include <linux/tty.h>
39 #include <linux/tty_driver.h>
40 #include <linux/tty_flip.h>
41 #include <linux/module.h>
42 #include <linux/spinlock.h>
43 #include <linux/mutex.h>
44 #include <linux/uaccess.h>
45 #include <linux/usb.h>
46 #include <linux/serial.h>
47 #include <linux/usb/serial.h>
48 #include "ftdi_sio.h"
49 #include "ftdi_sio_ids.h"
50 
51 /*
52  * Version Information
53  */
54 #define DRIVER_VERSION "v1.6.0"
55 #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>"
56 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
57 
58 static int debug;
59 static __u16 vendor = FTDI_VID;
60 static __u16 product;
61 
62 struct ftdi_private {
63 	struct kref kref;
64 	enum ftdi_chip_type chip_type;
65 				/* type of device, either SIO or FT8U232AM */
66 	int baud_base;		/* baud base clock for divisor setting */
67 	int custom_divisor;	/* custom_divisor kludge, this is for
68 				   baud_base (different from what goes to the
69 				   chip!) */
70 	__u16 last_set_data_urb_value ;
71 				/* the last data state set - needed for doing
72 				 * a break
73 				 */
74 	int flags;		/* some ASYNC_xxxx flags are supported */
75 	unsigned long last_dtr_rts;	/* saved modem control outputs */
76 	wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
77 	char prev_status, diff_status;        /* Used for TIOCMIWAIT */
78 	char transmit_empty;	/* If transmitter is empty or not */
79 	struct usb_serial_port *port;
80 	__u16 interface;	/* FT2232C, FT2232H or FT4232H port interface
81 				   (0 for FT232/245) */
82 
83 	speed_t force_baud;	/* if non-zero, force the baud rate to
84 				   this value */
85 	int force_rtscts;	/* if non-zero, force RTS-CTS to always
86 				   be enabled */
87 
88 	unsigned int latency;		/* latency setting in use */
89 	unsigned short max_packet_size;
90 	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
91 };
92 
93 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
94 struct ftdi_sio_quirk {
95 	int (*probe)(struct usb_serial *);
96 	/* Special settings for probed ports. */
97 	void (*port_probe)(struct ftdi_private *);
98 };
99 
100 static int   ftdi_jtag_probe(struct usb_serial *serial);
101 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
102 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
103 static int   ftdi_stmclite_probe(struct usb_serial *serial);
104 static int   ftdi_8u2232c_probe(struct usb_serial *serial);
105 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
106 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
107 
108 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
109 	.probe	= ftdi_jtag_probe,
110 };
111 
112 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
113 	.probe  = ftdi_mtxorb_hack_setup,
114 };
115 
116 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
117 	.probe	= ftdi_NDI_device_setup,
118 };
119 
120 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
121 	.port_probe = ftdi_USB_UIRT_setup,
122 };
123 
124 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
125 	.port_probe = ftdi_HE_TIRA1_setup,
126 };
127 
128 static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
129 	.probe	= ftdi_stmclite_probe,
130 };
131 
132 static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
133 	.probe	= ftdi_8u2232c_probe,
134 };
135 
136 /*
137  * The 8U232AM has the same API as the sio except for:
138  * - it can support MUCH higher baudrates; up to:
139  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
140  *   o 230400 at 12MHz
141  *   so .. 8U232AM's baudrate setting codes are different
142  * - it has a two byte status code.
143  * - it returns characters every 16ms (the FTDI does it every 40ms)
144  *
145  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
146  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
147  * combinations in both tables.
148  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
149  * but I don't know if those ever went into mass production. [Ian Abbott]
150  */
151 
152 
153 
154 /*
155  * Device ID not listed? Test via module params product/vendor or
156  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
157  */
158 static struct usb_device_id id_table_combined [] = {
159 	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
160 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
161 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
179 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
180 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
187 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
188 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
191 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
192 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
193 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
194 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
195 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
197 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
198 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
200 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
210 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
211 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
212 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
213 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
214 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
215 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
216 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
217 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
218 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
219 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
220 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
221 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
222 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
251 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
257 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
261 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
267 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
297 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
299 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
301 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
303 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
305 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
307 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
309 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
311 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
313 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
315 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
317 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
475 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
476 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
477 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
478 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
479 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
480 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
481 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
482 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
483 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
484 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
485 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
486 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
487 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
488 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
489 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
490 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
491 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
492 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
493 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
494 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
495 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
496 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
497 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
498 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
499 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
500 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
501 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
502 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
503 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
504 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
505 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
506 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
507 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
508 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
509 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
510 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
511 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
512 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
513 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
514 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
515 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
526 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
527 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
528 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
529 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
530 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
531 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
532 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
533 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
534 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
535 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
536 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
537 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
538 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
539 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
540 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
541 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
542 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
543 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
544 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
545 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
546 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
547 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
548 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
549 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
550 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
551 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
552 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
553 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
554 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
555 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
556 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
557 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
558 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
559 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
560 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
561 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
562 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
563 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
564 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
565 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
566 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
567 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
568 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
569 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
571 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
572 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
573 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
574 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
575 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
576 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
577 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
578 	/*
579 	 * ELV devices:
580 	 */
581 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
582 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
583 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
584 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
604 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
605 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
606 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
607 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
608 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
615 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
616 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
617 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
618 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
619 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
620 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
621 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
622 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
623 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
624 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
625 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
626 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
627 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
628 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
629 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
630 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
631 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
632 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
633 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
634 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
635 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
636 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
637 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
638 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
639 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
640 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
641 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
642 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
643 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
644 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
645 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
646 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
647 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
648 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
649 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
650 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
651 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
652 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
653 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
654 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
655 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
659 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
660 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
661 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
662 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
663 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
664 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
665 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
666 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
667 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
668 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
673 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
675 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
676 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
677 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
679 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
680 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
681 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
682 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
683 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
684 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
685 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
686 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
687 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
688 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
689 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
690 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
691 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
692 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
693 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
694 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
695 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
696 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
697 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
698 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
699 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
700 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
701 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
702 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
703 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
704 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
705 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
706 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
707 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
708 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
709 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
710 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
711 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
712 	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
713 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
714 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
715 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
716 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
717 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
718 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
719 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
720 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
721 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
722 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
723 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
724 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
725 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
726 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
727 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
728 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
729 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
730 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
731 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
732 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
733 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
734 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
735 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
736 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
737 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
738 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
739 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
740 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
741 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
742 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
743 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
744 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
745 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
746 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
747 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
748 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
749 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
750 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
751 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
752 
753 	/* Papouch devices based on FTDI chip */
754 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
755 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
756 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
757 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
758 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
759 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
760 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
761 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
762 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
763 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
764 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
765 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
766 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
767 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
768 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
769 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
770 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
771 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
772 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
773 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
774 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
775 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
776 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
777 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
778 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
779 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
780 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
781 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
782 
783 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
784 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
785 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
786 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
787 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
788 	{ USB_DEVICE(DE_VID, STB_PID) },
789 	{ USB_DEVICE(DE_VID, WHT_PID) },
790 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
791 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
792 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
793 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
794 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
795 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
796 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
797 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
798 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
799 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
800 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
801 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
802 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
803 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
804 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
805 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
806 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
807 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
808 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
809 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
810 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
811 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
812 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
813 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
814 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
815 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
816 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
817 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
818 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
819 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
820 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
821 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
822 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
823 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
824 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
825 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
826 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
827 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
828 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
829 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
830 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
831 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
832 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
833 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
834 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
835 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
836 	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
837 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
838 	{ },					/* Optional parameter entry */
839 	{ }					/* Terminating entry */
840 };
841 
842 MODULE_DEVICE_TABLE(usb, id_table_combined);
843 
844 static struct usb_driver ftdi_driver = {
845 	.name =		"ftdi_sio",
846 	.probe =	usb_serial_probe,
847 	.disconnect =	usb_serial_disconnect,
848 	.id_table =	id_table_combined,
849 	.no_dynamic_id =	1,
850 };
851 
852 static const char *ftdi_chip_name[] = {
853 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
854 	[FT8U232AM] = "FT8U232AM",
855 	[FT232BM] = "FT232BM",
856 	[FT2232C] = "FT2232C",
857 	[FT232RL] = "FT232RL",
858 	[FT2232H] = "FT2232H",
859 	[FT4232H] = "FT4232H",
860 	[FT232H]  = "FT232H"
861 };
862 
863 
864 /* Used for TIOCMIWAIT */
865 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
866 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
867 /* End TIOCMIWAIT */
868 
869 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
870  | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
871 
872 /* function prototypes for a FTDI serial converter */
873 static int  ftdi_sio_probe(struct usb_serial *serial,
874 					const struct usb_device_id *id);
875 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
876 static int  ftdi_sio_port_remove(struct usb_serial_port *port);
877 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
878 static void ftdi_close(struct usb_serial_port *port);
879 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
880 static void ftdi_process_read_urb(struct urb *urb);
881 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
882 						void *dest, size_t size);
883 static void ftdi_set_termios(struct tty_struct *tty,
884 			struct usb_serial_port *port, struct ktermios *old);
885 static int  ftdi_tiocmget(struct tty_struct *tty);
886 static int  ftdi_tiocmset(struct tty_struct *tty,
887 			unsigned int set, unsigned int clear);
888 static int  ftdi_ioctl(struct tty_struct *tty,
889 			unsigned int cmd, unsigned long arg);
890 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
891 
892 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
893 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
894 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
895 static __u32 ftdi_232bm_baud_to_divisor(int baud);
896 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
897 static __u32 ftdi_2232h_baud_to_divisor(int baud);
898 
899 static struct usb_serial_driver ftdi_sio_device = {
900 	.driver = {
901 		.owner =	THIS_MODULE,
902 		.name =		"ftdi_sio",
903 	},
904 	.description =		"FTDI USB Serial Device",
905 	.usb_driver = 		&ftdi_driver,
906 	.id_table =		id_table_combined,
907 	.num_ports =		1,
908 	.bulk_in_size =		512,
909 	.bulk_out_size =	256,
910 	.probe =		ftdi_sio_probe,
911 	.port_probe =		ftdi_sio_port_probe,
912 	.port_remove =		ftdi_sio_port_remove,
913 	.open =			ftdi_open,
914 	.close =		ftdi_close,
915 	.dtr_rts =		ftdi_dtr_rts,
916 	.throttle =		usb_serial_generic_throttle,
917 	.unthrottle =		usb_serial_generic_unthrottle,
918 	.process_read_urb =	ftdi_process_read_urb,
919 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
920 	.tiocmget =		ftdi_tiocmget,
921 	.tiocmset =		ftdi_tiocmset,
922 	.ioctl =		ftdi_ioctl,
923 	.set_termios =		ftdi_set_termios,
924 	.break_ctl =		ftdi_break_ctl,
925 };
926 
927 
928 #define WDR_TIMEOUT 5000 /* default urb timeout */
929 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
930 
931 /* High and low are for DTR, RTS etc etc */
932 #define HIGH 1
933 #define LOW 0
934 
935 /*
936  * ***************************************************************************
937  * Utility functions
938  * ***************************************************************************
939  */
940 
941 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
942 {
943 	unsigned short int divisor;
944 	/* divisor shifted 3 bits to the left */
945 	int divisor3 = base / 2 / baud;
946 	if ((divisor3 & 0x7) == 7)
947 		divisor3++; /* round x.7/8 up to x+1 */
948 	divisor = divisor3 >> 3;
949 	divisor3 &= 0x7;
950 	if (divisor3 == 1)
951 		divisor |= 0xc000;
952 	else if (divisor3 >= 4)
953 		divisor |= 0x4000;
954 	else if (divisor3 != 0)
955 		divisor |= 0x8000;
956 	else if (divisor == 1)
957 		divisor = 0;	/* special case for maximum baud rate */
958 	return divisor;
959 }
960 
961 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
962 {
963 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
964 }
965 
966 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
967 {
968 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
969 	__u32 divisor;
970 	/* divisor shifted 3 bits to the left */
971 	int divisor3 = base / 2 / baud;
972 	divisor = divisor3 >> 3;
973 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
974 	/* Deal with special cases for highest baud rates. */
975 	if (divisor == 1)
976 		divisor = 0;
977 	else if (divisor == 0x4001)
978 		divisor = 1;
979 	return divisor;
980 }
981 
982 static __u32 ftdi_232bm_baud_to_divisor(int baud)
983 {
984 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
985 }
986 
987 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
988 {
989 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
990 	__u32 divisor;
991 	int divisor3;
992 
993 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
994 	divisor3 = base * 8 / (baud * 10);
995 
996 	divisor = divisor3 >> 3;
997 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
998 	/* Deal with special cases for highest baud rates. */
999 	if (divisor == 1)
1000 		divisor = 0;
1001 	else if (divisor == 0x4001)
1002 		divisor = 1;
1003 	/*
1004 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1005 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1006 	 * baud with this bit set
1007 	 */
1008 	divisor |= 0x00020000;
1009 	return divisor;
1010 }
1011 
1012 static __u32 ftdi_2232h_baud_to_divisor(int baud)
1013 {
1014 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1015 }
1016 
1017 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1018 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1019 
1020 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1021 							unsigned int clear)
1022 {
1023 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1024 	unsigned urb_value;
1025 	int rv;
1026 
1027 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1028 		dbg("%s - DTR|RTS not being set|cleared", __func__);
1029 		return 0;	/* no change */
1030 	}
1031 
1032 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1033 	urb_value = 0;
1034 	if (clear & TIOCM_DTR)
1035 		urb_value |= FTDI_SIO_SET_DTR_LOW;
1036 	if (clear & TIOCM_RTS)
1037 		urb_value |= FTDI_SIO_SET_RTS_LOW;
1038 	if (set & TIOCM_DTR)
1039 		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1040 	if (set & TIOCM_RTS)
1041 		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1042 	rv = usb_control_msg(port->serial->dev,
1043 			       usb_sndctrlpipe(port->serial->dev, 0),
1044 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1045 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1046 			       urb_value, priv->interface,
1047 			       NULL, 0, WDR_TIMEOUT);
1048 	if (rv < 0) {
1049 		dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
1050 				__func__,
1051 				(set & TIOCM_DTR) ? "HIGH" :
1052 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1053 				(set & TIOCM_RTS) ? "HIGH" :
1054 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1055 	} else {
1056 		dbg("%s - DTR %s, RTS %s", __func__,
1057 				(set & TIOCM_DTR) ? "HIGH" :
1058 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1059 				(set & TIOCM_RTS) ? "HIGH" :
1060 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1061 		/* FIXME: locking on last_dtr_rts */
1062 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1063 	}
1064 	return rv;
1065 }
1066 
1067 
1068 static __u32 get_ftdi_divisor(struct tty_struct *tty,
1069 						struct usb_serial_port *port)
1070 {
1071 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1072 	__u32 div_value = 0;
1073 	int div_okay = 1;
1074 	int baud;
1075 
1076 	/*
1077 	 * The logic involved in setting the baudrate can be cleanly split into
1078 	 * 3 steps.
1079 	 * 1. Standard baud rates are set in tty->termios->c_cflag
1080 	 * 2. If these are not enough, you can set any speed using alt_speed as
1081 	 * follows:
1082 	 *    - set tty->termios->c_cflag speed to B38400
1083 	 *    - set your real speed in tty->alt_speed; it gets ignored when
1084 	 *      alt_speed==0, (or)
1085 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1086 	 *	follows:
1087 	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1088 	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1089 	 *	SHI: 230400, WARP: 460800)
1090 	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1091 	 * 3. You can also set baud rate by setting custom divisor as follows
1092 	 *    - set tty->termios->c_cflag speed to B38400
1093 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1094 	 *	follows:
1095 	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1096 	 *      o custom_divisor set to baud_base / your_new_baudrate
1097 	 * ** Step 3 is done courtesy of code borrowed from serial.c
1098 	 *    I should really spend some time and separate + move this common
1099 	 *    code to serial.c, it is replicated in nearly every serial driver
1100 	 *    you see.
1101 	 */
1102 
1103 	/* 1. Get the baud rate from the tty settings, this observes
1104 	      alt_speed hack */
1105 
1106 	baud = tty_get_baud_rate(tty);
1107 	dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1108 
1109 	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1110 	   if needed */
1111 
1112 	if (baud == 38400 &&
1113 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1114 	     (priv->custom_divisor)) {
1115 		baud = priv->baud_base / priv->custom_divisor;
1116 		dbg("%s - custom divisor %d sets baud rate to %d",
1117 				__func__, priv->custom_divisor, baud);
1118 	}
1119 
1120 	/* 3. Convert baudrate to device-specific divisor */
1121 
1122 	if (!baud)
1123 		baud = 9600;
1124 	switch (priv->chip_type) {
1125 	case SIO: /* SIO chip */
1126 		switch (baud) {
1127 		case 300: div_value = ftdi_sio_b300; break;
1128 		case 600: div_value = ftdi_sio_b600; break;
1129 		case 1200: div_value = ftdi_sio_b1200; break;
1130 		case 2400: div_value = ftdi_sio_b2400; break;
1131 		case 4800: div_value = ftdi_sio_b4800; break;
1132 		case 9600: div_value = ftdi_sio_b9600; break;
1133 		case 19200: div_value = ftdi_sio_b19200; break;
1134 		case 38400: div_value = ftdi_sio_b38400; break;
1135 		case 57600: div_value = ftdi_sio_b57600;  break;
1136 		case 115200: div_value = ftdi_sio_b115200; break;
1137 		} /* baud */
1138 		if (div_value == 0) {
1139 			dbg("%s - Baudrate (%d) requested is not supported",
1140 							__func__,  baud);
1141 			div_value = ftdi_sio_b9600;
1142 			baud = 9600;
1143 			div_okay = 0;
1144 		}
1145 		break;
1146 	case FT8U232AM: /* 8U232AM chip */
1147 		if (baud <= 3000000) {
1148 			div_value = ftdi_232am_baud_to_divisor(baud);
1149 		} else {
1150 			dbg("%s - Baud rate too high!", __func__);
1151 			baud = 9600;
1152 			div_value = ftdi_232am_baud_to_divisor(9600);
1153 			div_okay = 0;
1154 		}
1155 		break;
1156 	case FT232BM: /* FT232BM chip */
1157 	case FT2232C: /* FT2232C chip */
1158 	case FT232RL:
1159 		if (baud <= 3000000) {
1160 			__u16 product_id = le16_to_cpu(
1161 				port->serial->dev->descriptor.idProduct);
1162 			if (((FTDI_NDI_HUC_PID == product_id) ||
1163 			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1164 			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1165 			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1166 			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1167 			    (baud == 19200)) {
1168 				baud = 1200000;
1169 			}
1170 			div_value = ftdi_232bm_baud_to_divisor(baud);
1171 		} else {
1172 			dbg("%s - Baud rate too high!", __func__);
1173 			div_value = ftdi_232bm_baud_to_divisor(9600);
1174 			div_okay = 0;
1175 			baud = 9600;
1176 		}
1177 		break;
1178 	case FT2232H: /* FT2232H chip */
1179 	case FT4232H: /* FT4232H chip */
1180 	case FT232H:  /* FT232H chip */
1181 		if ((baud <= 12000000) && (baud >= 1200)) {
1182 			div_value = ftdi_2232h_baud_to_divisor(baud);
1183 		} else if (baud < 1200) {
1184 			div_value = ftdi_232bm_baud_to_divisor(baud);
1185 		} else {
1186 			dbg("%s - Baud rate too high!", __func__);
1187 			div_value = ftdi_232bm_baud_to_divisor(9600);
1188 			div_okay = 0;
1189 			baud = 9600;
1190 		}
1191 		break;
1192 	} /* priv->chip_type */
1193 
1194 	if (div_okay) {
1195 		dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1196 			__func__, baud, (unsigned long)div_value,
1197 			ftdi_chip_name[priv->chip_type]);
1198 	}
1199 
1200 	tty_encode_baud_rate(tty, baud, baud);
1201 	return div_value;
1202 }
1203 
1204 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1205 {
1206 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1207 	__u16 urb_value;
1208 	__u16 urb_index;
1209 	__u32 urb_index_value;
1210 	int rv;
1211 
1212 	urb_index_value = get_ftdi_divisor(tty, port);
1213 	urb_value = (__u16)urb_index_value;
1214 	urb_index = (__u16)(urb_index_value >> 16);
1215 	if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1216 		(priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1217 		/* Probably the BM type needs the MSB of the encoded fractional
1218 		 * divider also moved like for the chips above. Any infos? */
1219 		urb_index = (__u16)((urb_index << 8) | priv->interface);
1220 	}
1221 
1222 	rv = usb_control_msg(port->serial->dev,
1223 			    usb_sndctrlpipe(port->serial->dev, 0),
1224 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1225 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1226 			    urb_value, urb_index,
1227 			    NULL, 0, WDR_SHORT_TIMEOUT);
1228 	return rv;
1229 }
1230 
1231 static int write_latency_timer(struct usb_serial_port *port)
1232 {
1233 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1234 	struct usb_device *udev = port->serial->dev;
1235 	int rv;
1236 	int l = priv->latency;
1237 
1238 	if (priv->flags & ASYNC_LOW_LATENCY)
1239 		l = 1;
1240 
1241 	dbg("%s: setting latency timer = %i", __func__, l);
1242 
1243 	rv = usb_control_msg(udev,
1244 			     usb_sndctrlpipe(udev, 0),
1245 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1246 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1247 			     l, priv->interface,
1248 			     NULL, 0, WDR_TIMEOUT);
1249 	if (rv < 0)
1250 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1251 	return rv;
1252 }
1253 
1254 static int read_latency_timer(struct usb_serial_port *port)
1255 {
1256 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1257 	struct usb_device *udev = port->serial->dev;
1258 	unsigned char *buf;
1259 	int rv;
1260 
1261 	dbg("%s", __func__);
1262 
1263 	buf = kmalloc(1, GFP_KERNEL);
1264 	if (!buf)
1265 		return -ENOMEM;
1266 
1267 	rv = usb_control_msg(udev,
1268 			     usb_rcvctrlpipe(udev, 0),
1269 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1270 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1271 			     0, priv->interface,
1272 			     buf, 1, WDR_TIMEOUT);
1273 	if (rv < 0)
1274 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1275 	else
1276 		priv->latency = buf[0];
1277 
1278 	kfree(buf);
1279 
1280 	return rv;
1281 }
1282 
1283 static int get_serial_info(struct usb_serial_port *port,
1284 				struct serial_struct __user *retinfo)
1285 {
1286 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1287 	struct serial_struct tmp;
1288 
1289 	if (!retinfo)
1290 		return -EFAULT;
1291 	memset(&tmp, 0, sizeof(tmp));
1292 	tmp.flags = priv->flags;
1293 	tmp.baud_base = priv->baud_base;
1294 	tmp.custom_divisor = priv->custom_divisor;
1295 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1296 		return -EFAULT;
1297 	return 0;
1298 }
1299 
1300 static int set_serial_info(struct tty_struct *tty,
1301 	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1302 {
1303 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1304 	struct serial_struct new_serial;
1305 	struct ftdi_private old_priv;
1306 
1307 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1308 		return -EFAULT;
1309 
1310 	mutex_lock(&priv->cfg_lock);
1311 	old_priv = *priv;
1312 
1313 	/* Do error checking and permission checking */
1314 
1315 	if (!capable(CAP_SYS_ADMIN)) {
1316 		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1317 		     (priv->flags & ~ASYNC_USR_MASK))) {
1318 			mutex_unlock(&priv->cfg_lock);
1319 			return -EPERM;
1320 		}
1321 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1322 			       (new_serial.flags & ASYNC_USR_MASK));
1323 		priv->custom_divisor = new_serial.custom_divisor;
1324 		goto check_and_exit;
1325 	}
1326 
1327 	if ((new_serial.baud_base != priv->baud_base) &&
1328 	    (new_serial.baud_base < 9600)) {
1329 		mutex_unlock(&priv->cfg_lock);
1330 		return -EINVAL;
1331 	}
1332 
1333 	/* Make the changes - these are privileged changes! */
1334 
1335 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1336 					(new_serial.flags & ASYNC_FLAGS));
1337 	priv->custom_divisor = new_serial.custom_divisor;
1338 
1339 	write_latency_timer(port);
1340 
1341 check_and_exit:
1342 	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1343 	     (priv->flags & ASYNC_SPD_MASK)) {
1344 		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1345 			tty->alt_speed = 57600;
1346 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1347 			tty->alt_speed = 115200;
1348 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1349 			tty->alt_speed = 230400;
1350 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1351 			tty->alt_speed = 460800;
1352 		else
1353 			tty->alt_speed = 0;
1354 	}
1355 	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1356 	     (priv->flags & ASYNC_SPD_MASK)) ||
1357 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1358 	     (old_priv.custom_divisor != priv->custom_divisor))) {
1359 		change_speed(tty, port);
1360 		mutex_unlock(&priv->cfg_lock);
1361 	}
1362 	else
1363 		mutex_unlock(&priv->cfg_lock);
1364 	return 0;
1365 }
1366 
1367 static int get_lsr_info(struct usb_serial_port *port,
1368 			struct serial_struct __user *retinfo)
1369 {
1370 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1371 	unsigned int result = 0;
1372 
1373 	if (!retinfo)
1374 		return -EFAULT;
1375 
1376 	if (priv->transmit_empty)
1377 		result = TIOCSER_TEMT;
1378 
1379 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1380 		return -EFAULT;
1381 	return 0;
1382 }
1383 
1384 
1385 /* Determine type of FTDI chip based on USB config and descriptor. */
1386 static void ftdi_determine_type(struct usb_serial_port *port)
1387 {
1388 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1389 	struct usb_serial *serial = port->serial;
1390 	struct usb_device *udev = serial->dev;
1391 	unsigned version;
1392 	unsigned interfaces;
1393 
1394 	/* Assume it is not the original SIO device for now. */
1395 	priv->baud_base = 48000000 / 2;
1396 
1397 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1398 	interfaces = udev->actconfig->desc.bNumInterfaces;
1399 	dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1400 			version, interfaces);
1401 	if (interfaces > 1) {
1402 		int inter;
1403 
1404 		/* Multiple interfaces.*/
1405 		if (version == 0x0800) {
1406 			priv->chip_type = FT4232H;
1407 			/* Hi-speed - baud clock runs at 120MHz */
1408 			priv->baud_base = 120000000 / 2;
1409 		} else if (version == 0x0700) {
1410 			priv->chip_type = FT2232H;
1411 			/* Hi-speed - baud clock runs at 120MHz */
1412 			priv->baud_base = 120000000 / 2;
1413 		} else
1414 			priv->chip_type = FT2232C;
1415 
1416 		/* Determine interface code. */
1417 		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1418 		if (inter == 0) {
1419 			priv->interface = INTERFACE_A;
1420 		} else  if (inter == 1) {
1421 			priv->interface = INTERFACE_B;
1422 		} else  if (inter == 2) {
1423 			priv->interface = INTERFACE_C;
1424 		} else  if (inter == 3) {
1425 			priv->interface = INTERFACE_D;
1426 		}
1427 		/* BM-type devices have a bug where bcdDevice gets set
1428 		 * to 0x200 when iSerialNumber is 0.  */
1429 		if (version < 0x500) {
1430 			dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1431 					__func__);
1432 		}
1433 	} else if (version < 0x200) {
1434 		/* Old device.  Assume it's the original SIO. */
1435 		priv->chip_type = SIO;
1436 		priv->baud_base = 12000000 / 16;
1437 	} else if (version < 0x400) {
1438 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1439 		/* (It might be a BM because of the iSerialNumber bug,
1440 		 * but it will still work as an AM device.) */
1441 		priv->chip_type = FT8U232AM;
1442 	} else if (version < 0x600) {
1443 		/* Assume it's an FT232BM (or FT245BM) */
1444 		priv->chip_type = FT232BM;
1445 	} else if (version < 0x900) {
1446 		/* Assume it's an FT232RL */
1447 		priv->chip_type = FT232RL;
1448 	} else {
1449 		/* Assume it's an FT232H */
1450 		priv->chip_type = FT232H;
1451 	}
1452 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1453 }
1454 
1455 
1456 /* Determine the maximum packet size for the device.  This depends on the chip
1457  * type and the USB host capabilities.  The value should be obtained from the
1458  * device descriptor as the chip will use the appropriate values for the host.*/
1459 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1460 {
1461 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1462 	struct usb_serial *serial = port->serial;
1463 	struct usb_device *udev = serial->dev;
1464 
1465 	struct usb_interface *interface = serial->interface;
1466 	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1467 
1468 	unsigned num_endpoints;
1469 	int i;
1470 
1471 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1472 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1473 
1474 	/* NOTE: some customers have programmed FT232R/FT245R devices
1475 	 * with an endpoint size of 0 - not good.  In this case, we
1476 	 * want to override the endpoint descriptor setting and use a
1477 	 * value of 64 for wMaxPacketSize */
1478 	for (i = 0; i < num_endpoints; i++) {
1479 		dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1480 			interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1481 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1482 		if (ep_desc->wMaxPacketSize == 0) {
1483 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1484 			dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1485 		}
1486 	}
1487 
1488 	/* set max packet size based on descriptor */
1489 	priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);
1490 
1491 	dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1492 }
1493 
1494 
1495 /*
1496  * ***************************************************************************
1497  * Sysfs Attribute
1498  * ***************************************************************************
1499  */
1500 
1501 static ssize_t show_latency_timer(struct device *dev,
1502 				struct device_attribute *attr, char *buf)
1503 {
1504 	struct usb_serial_port *port = to_usb_serial_port(dev);
1505 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1506 	if (priv->flags & ASYNC_LOW_LATENCY)
1507 		return sprintf(buf, "1\n");
1508 	else
1509 		return sprintf(buf, "%i\n", priv->latency);
1510 }
1511 
1512 
1513 /* Write a new value of the latency timer, in units of milliseconds. */
1514 static ssize_t store_latency_timer(struct device *dev,
1515 			struct device_attribute *attr, const char *valbuf,
1516 			size_t count)
1517 {
1518 	struct usb_serial_port *port = to_usb_serial_port(dev);
1519 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1520 	int v = simple_strtoul(valbuf, NULL, 10);
1521 	int rv;
1522 
1523 	priv->latency = v;
1524 	rv = write_latency_timer(port);
1525 	if (rv < 0)
1526 		return -EIO;
1527 	return count;
1528 }
1529 
1530 /* Write an event character directly to the FTDI register.  The ASCII
1531    value is in the low 8 bits, with the enable bit in the 9th bit. */
1532 static ssize_t store_event_char(struct device *dev,
1533 	struct device_attribute *attr, const char *valbuf, size_t count)
1534 {
1535 	struct usb_serial_port *port = to_usb_serial_port(dev);
1536 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1537 	struct usb_device *udev = port->serial->dev;
1538 	int v = simple_strtoul(valbuf, NULL, 10);
1539 	int rv;
1540 
1541 	dbg("%s: setting event char = %i", __func__, v);
1542 
1543 	rv = usb_control_msg(udev,
1544 			     usb_sndctrlpipe(udev, 0),
1545 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1546 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1547 			     v, priv->interface,
1548 			     NULL, 0, WDR_TIMEOUT);
1549 	if (rv < 0) {
1550 		dbg("Unable to write event character: %i", rv);
1551 		return -EIO;
1552 	}
1553 
1554 	return count;
1555 }
1556 
1557 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1558 							store_latency_timer);
1559 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1560 
1561 static int create_sysfs_attrs(struct usb_serial_port *port)
1562 {
1563 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1564 	int retval = 0;
1565 
1566 	dbg("%s", __func__);
1567 
1568 	/* XXX I've no idea if the original SIO supports the event_char
1569 	 * sysfs parameter, so I'm playing it safe.  */
1570 	if (priv->chip_type != SIO) {
1571 		dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1572 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1573 		if ((!retval) &&
1574 		    (priv->chip_type == FT232BM ||
1575 		     priv->chip_type == FT2232C ||
1576 		     priv->chip_type == FT232RL ||
1577 		     priv->chip_type == FT2232H ||
1578 		     priv->chip_type == FT4232H ||
1579 		     priv->chip_type == FT232H)) {
1580 			retval = device_create_file(&port->dev,
1581 						    &dev_attr_latency_timer);
1582 		}
1583 	}
1584 	return retval;
1585 }
1586 
1587 static void remove_sysfs_attrs(struct usb_serial_port *port)
1588 {
1589 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1590 
1591 	dbg("%s", __func__);
1592 
1593 	/* XXX see create_sysfs_attrs */
1594 	if (priv->chip_type != SIO) {
1595 		device_remove_file(&port->dev, &dev_attr_event_char);
1596 		if (priv->chip_type == FT232BM ||
1597 		    priv->chip_type == FT2232C ||
1598 		    priv->chip_type == FT232RL ||
1599 		    priv->chip_type == FT2232H ||
1600 		    priv->chip_type == FT4232H ||
1601                     priv->chip_type == FT232H) {
1602 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1603 		}
1604 	}
1605 
1606 }
1607 
1608 /*
1609  * ***************************************************************************
1610  * FTDI driver specific functions
1611  * ***************************************************************************
1612  */
1613 
1614 /* Probe function to check for special devices */
1615 static int ftdi_sio_probe(struct usb_serial *serial,
1616 					const struct usb_device_id *id)
1617 {
1618 	struct ftdi_sio_quirk *quirk =
1619 				(struct ftdi_sio_quirk *)id->driver_info;
1620 
1621 	if (quirk && quirk->probe) {
1622 		int ret = quirk->probe(serial);
1623 		if (ret != 0)
1624 			return ret;
1625 	}
1626 
1627 	usb_set_serial_data(serial, (void *)id->driver_info);
1628 
1629 	return 0;
1630 }
1631 
1632 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1633 {
1634 	struct ftdi_private *priv;
1635 	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1636 
1637 
1638 	dbg("%s", __func__);
1639 
1640 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1641 	if (!priv) {
1642 		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1643 					sizeof(struct ftdi_private));
1644 		return -ENOMEM;
1645 	}
1646 
1647 	kref_init(&priv->kref);
1648 	mutex_init(&priv->cfg_lock);
1649 	init_waitqueue_head(&priv->delta_msr_wait);
1650 
1651 	priv->flags = ASYNC_LOW_LATENCY;
1652 
1653 	if (quirk && quirk->port_probe)
1654 		quirk->port_probe(priv);
1655 
1656 	priv->port = port;
1657 	usb_set_serial_port_data(port, priv);
1658 
1659 	ftdi_determine_type(port);
1660 	ftdi_set_max_packet_size(port);
1661 	if (read_latency_timer(port) < 0)
1662 		priv->latency = 16;
1663 	write_latency_timer(port);
1664 	create_sysfs_attrs(port);
1665 	return 0;
1666 }
1667 
1668 /* Setup for the USB-UIRT device, which requires hardwired
1669  * baudrate (38400 gets mapped to 312500) */
1670 /* Called from usbserial:serial_probe */
1671 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1672 {
1673 	dbg("%s", __func__);
1674 
1675 	priv->flags |= ASYNC_SPD_CUST;
1676 	priv->custom_divisor = 77;
1677 	priv->force_baud = 38400;
1678 }
1679 
1680 /* Setup for the HE-TIRA1 device, which requires hardwired
1681  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1682 
1683 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1684 {
1685 	dbg("%s", __func__);
1686 
1687 	priv->flags |= ASYNC_SPD_CUST;
1688 	priv->custom_divisor = 240;
1689 	priv->force_baud = 38400;
1690 	priv->force_rtscts = 1;
1691 }
1692 
1693 /*
1694  * Module parameter to control latency timer for NDI FTDI-based USB devices.
1695  * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1696  */
1697 static int ndi_latency_timer = 1;
1698 
1699 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1700  * baudrate (19200 gets mapped to 1200000).
1701  *
1702  * Called from usbserial:serial_probe.
1703  */
1704 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1705 {
1706 	struct usb_device *udev = serial->dev;
1707 	int latency = ndi_latency_timer;
1708 
1709 	if (latency == 0)
1710 		latency = 1;
1711 	if (latency > 99)
1712 		latency = 99;
1713 
1714 	dbg("%s setting NDI device latency to %d", __func__, latency);
1715 	dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1716 
1717 	/* FIXME: errors are not returned */
1718 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1719 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1720 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1721 				latency, 0, NULL, 0, WDR_TIMEOUT);
1722 	return 0;
1723 }
1724 
1725 /*
1726  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1727  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1728  * userspace using openocd.
1729  */
1730 static int ftdi_jtag_probe(struct usb_serial *serial)
1731 {
1732 	struct usb_device *udev = serial->dev;
1733 	struct usb_interface *interface = serial->interface;
1734 
1735 	dbg("%s", __func__);
1736 
1737 	if (interface == udev->actconfig->interface[0]) {
1738 		dev_info(&udev->dev,
1739 			 "Ignoring serial port reserved for JTAG\n");
1740 		return -ENODEV;
1741 	}
1742 
1743 	return 0;
1744 }
1745 
1746 static int ftdi_8u2232c_probe(struct usb_serial *serial)
1747 {
1748 	struct usb_device *udev = serial->dev;
1749 
1750 	dbg("%s", __func__);
1751 
1752 	if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
1753 		return ftdi_jtag_probe(serial);
1754 
1755 	return 0;
1756 }
1757 
1758 /*
1759  * First and second port on STMCLiteadaptors is reserved for JTAG interface
1760  * and the forth port for pio
1761  */
1762 static int ftdi_stmclite_probe(struct usb_serial *serial)
1763 {
1764 	struct usb_device *udev = serial->dev;
1765 	struct usb_interface *interface = serial->interface;
1766 
1767 	dbg("%s", __func__);
1768 
1769 	if (interface == udev->actconfig->interface[2])
1770 		return 0;
1771 
1772 	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1773 
1774 	return -ENODEV;
1775 }
1776 
1777 /*
1778  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1779  * We have to correct it if we want to read from it.
1780  */
1781 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1782 {
1783 	struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1784 	struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1785 
1786 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1787 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1788 		dev_info(&serial->dev->dev,
1789 			 "Fixing invalid wMaxPacketSize on read pipe\n");
1790 	}
1791 
1792 	return 0;
1793 }
1794 
1795 static void ftdi_sio_priv_release(struct kref *k)
1796 {
1797 	struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1798 
1799 	kfree(priv);
1800 }
1801 
1802 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1803 {
1804 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1805 
1806 	dbg("%s", __func__);
1807 
1808 	remove_sysfs_attrs(port);
1809 
1810 	kref_put(&priv->kref, ftdi_sio_priv_release);
1811 
1812 	return 0;
1813 }
1814 
1815 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1816 {
1817 	struct usb_device *dev = port->serial->dev;
1818 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1819 	int result;
1820 
1821 	dbg("%s", __func__);
1822 
1823 	/* No error checking for this (will get errors later anyway) */
1824 	/* See ftdi_sio.h for description of what is reset */
1825 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1826 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1827 			FTDI_SIO_RESET_SIO,
1828 			priv->interface, NULL, 0, WDR_TIMEOUT);
1829 
1830 	/* Termios defaults are set by usb_serial_init. We don't change
1831 	   port->tty->termios - this would lose speed settings, etc.
1832 	   This is same behaviour as serial.c/rs_open() - Kuba */
1833 
1834 	/* ftdi_set_termios  will send usb control messages */
1835 	if (tty)
1836 		ftdi_set_termios(tty, port, tty->termios);
1837 
1838 	/* Start reading from the device */
1839 	result = usb_serial_generic_open(tty, port);
1840 	if (!result)
1841 		kref_get(&priv->kref);
1842 
1843 	return result;
1844 }
1845 
1846 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1847 {
1848 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1849 
1850 	mutex_lock(&port->serial->disc_mutex);
1851 	if (!port->serial->disconnected) {
1852 		/* Disable flow control */
1853 		if (!on && usb_control_msg(port->serial->dev,
1854 			    usb_sndctrlpipe(port->serial->dev, 0),
1855 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1856 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1857 			    0, priv->interface, NULL, 0,
1858 			    WDR_TIMEOUT) < 0) {
1859 			    dev_err(&port->dev, "error from flowcontrol urb\n");
1860 		}
1861 		/* drop RTS and DTR */
1862 		if (on)
1863 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1864 		else
1865 			clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1866 	}
1867 	mutex_unlock(&port->serial->disc_mutex);
1868 }
1869 
1870 /*
1871  * usbserial:__serial_close  only calls ftdi_close if the point is open
1872  *
1873  *   This only gets called when it is the last close
1874  */
1875 static void ftdi_close(struct usb_serial_port *port)
1876 {
1877 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1878 
1879 	dbg("%s", __func__);
1880 
1881 	usb_serial_generic_close(port);
1882 	kref_put(&priv->kref, ftdi_sio_priv_release);
1883 }
1884 
1885 /* The SIO requires the first byte to have:
1886  *  B0 1
1887  *  B1 0
1888  *  B2..7 length of message excluding byte 0
1889  *
1890  * The new devices do not require this byte
1891  */
1892 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1893 						void *dest, size_t size)
1894 {
1895 	struct ftdi_private *priv;
1896 	int count;
1897 	unsigned long flags;
1898 
1899 	priv = usb_get_serial_port_data(port);
1900 
1901 	if (priv->chip_type == SIO) {
1902 		unsigned char *buffer = dest;
1903 		int i, len, c;
1904 
1905 		count = 0;
1906 		spin_lock_irqsave(&port->lock, flags);
1907 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
1908 			len = min_t(int, size - i, priv->max_packet_size) - 1;
1909 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1910 			if (!c)
1911 				break;
1912 			buffer[i] = (c << 2) + 1;
1913 			count += c + 1;
1914 		}
1915 		spin_unlock_irqrestore(&port->lock, flags);
1916 	} else {
1917 		count = kfifo_out_locked(&port->write_fifo, dest, size,
1918 								&port->lock);
1919 	}
1920 
1921 	return count;
1922 }
1923 
1924 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1925 
1926 static int ftdi_process_packet(struct tty_struct *tty,
1927 		struct usb_serial_port *port, struct ftdi_private *priv,
1928 		char *packet, int len)
1929 {
1930 	int i;
1931 	char status;
1932 	char flag;
1933 	char *ch;
1934 
1935 	dbg("%s - port %d", __func__, port->number);
1936 
1937 	if (len < 2) {
1938 		dbg("malformed packet");
1939 		return 0;
1940 	}
1941 
1942 	/* Compare new line status to the old one, signal if different/
1943 	   N.B. packet may be processed more than once, but differences
1944 	   are only processed once.  */
1945 	status = packet[0] & FTDI_STATUS_B0_MASK;
1946 	if (status != priv->prev_status) {
1947 		priv->diff_status |= status ^ priv->prev_status;
1948 		wake_up_interruptible(&priv->delta_msr_wait);
1949 		priv->prev_status = status;
1950 	}
1951 
1952 	flag = TTY_NORMAL;
1953 	if (packet[1] & FTDI_RS_ERR_MASK) {
1954 		/* Break takes precedence over parity, which takes precedence
1955 		 * over framing errors */
1956 		if (packet[1] & FTDI_RS_BI) {
1957 			flag = TTY_BREAK;
1958 			usb_serial_handle_break(port);
1959 		} else if (packet[1] & FTDI_RS_PE) {
1960 			flag = TTY_PARITY;
1961 		} else if (packet[1] & FTDI_RS_FE) {
1962 			flag = TTY_FRAME;
1963 		}
1964 		/* Overrun is special, not associated with a char */
1965 		if (packet[1] & FTDI_RS_OE)
1966 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
1967 	}
1968 
1969 	/* save if the transmitter is empty or not */
1970 	if (packet[1] & FTDI_RS_TEMT)
1971 		priv->transmit_empty = 1;
1972 	else
1973 		priv->transmit_empty = 0;
1974 
1975 	len -= 2;
1976 	if (!len)
1977 		return 0;	/* status only */
1978 	ch = packet + 2;
1979 
1980 	if (port->port.console && port->sysrq) {
1981 		for (i = 0; i < len; i++, ch++) {
1982 			if (!usb_serial_handle_sysrq_char(port, *ch))
1983 				tty_insert_flip_char(tty, *ch, flag);
1984 		}
1985 	} else {
1986 		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
1987 	}
1988 
1989 	return len;
1990 }
1991 
1992 static void ftdi_process_read_urb(struct urb *urb)
1993 {
1994 	struct usb_serial_port *port = urb->context;
1995 	struct tty_struct *tty;
1996 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1997 	char *data = (char *)urb->transfer_buffer;
1998 	int i;
1999 	int len;
2000 	int count = 0;
2001 
2002 	tty = tty_port_tty_get(&port->port);
2003 	if (!tty)
2004 		return;
2005 
2006 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2007 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2008 		count += ftdi_process_packet(tty, port, priv, &data[i], len);
2009 	}
2010 
2011 	if (count)
2012 		tty_flip_buffer_push(tty);
2013 	tty_kref_put(tty);
2014 }
2015 
2016 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2017 {
2018 	struct usb_serial_port *port = tty->driver_data;
2019 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2020 	__u16 urb_value;
2021 
2022 	/* break_state = -1 to turn on break, and 0 to turn off break */
2023 	/* see drivers/char/tty_io.c to see it used */
2024 	/* last_set_data_urb_value NEVER has the break bit set in it */
2025 
2026 	if (break_state)
2027 		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2028 	else
2029 		urb_value = priv->last_set_data_urb_value;
2030 
2031 	if (usb_control_msg(port->serial->dev,
2032 			usb_sndctrlpipe(port->serial->dev, 0),
2033 			FTDI_SIO_SET_DATA_REQUEST,
2034 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2035 			urb_value , priv->interface,
2036 			NULL, 0, WDR_TIMEOUT) < 0) {
2037 		dev_err(&port->dev, "%s FAILED to enable/disable break state "
2038 			"(state was %d)\n", __func__, break_state);
2039 	}
2040 
2041 	dbg("%s break state is %d - urb is %d", __func__,
2042 						break_state, urb_value);
2043 
2044 }
2045 
2046 /* old_termios contains the original termios settings and tty->termios contains
2047  * the new setting to be used
2048  * WARNING: set_termios calls this with old_termios in kernel space
2049  */
2050 static void ftdi_set_termios(struct tty_struct *tty,
2051 		struct usb_serial_port *port, struct ktermios *old_termios)
2052 {
2053 	struct usb_device *dev = port->serial->dev;
2054 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2055 	struct ktermios *termios = tty->termios;
2056 	unsigned int cflag = termios->c_cflag;
2057 	__u16 urb_value; /* will hold the new flags */
2058 
2059 	/* Added for xon/xoff support */
2060 	unsigned int iflag = termios->c_iflag;
2061 	unsigned char vstop;
2062 	unsigned char vstart;
2063 
2064 	dbg("%s", __func__);
2065 
2066 	/* Force baud rate if this device requires it, unless it is set to
2067 	   B0. */
2068 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2069 		dbg("%s: forcing baud rate for this device", __func__);
2070 		tty_encode_baud_rate(tty, priv->force_baud,
2071 					priv->force_baud);
2072 	}
2073 
2074 	/* Force RTS-CTS if this device requires it. */
2075 	if (priv->force_rtscts) {
2076 		dbg("%s: forcing rtscts for this device", __func__);
2077 		termios->c_cflag |= CRTSCTS;
2078 	}
2079 
2080 	cflag = termios->c_cflag;
2081 
2082 	/* FIXME -For this cut I don't care if the line is really changing or
2083 	   not  - so just do the change regardless  - should be able to
2084 	   compare old_termios and tty->termios */
2085 	/* NOTE These routines can get interrupted by
2086 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2087 	   don't see any problems yet */
2088 
2089 	/* Set number of data bits, parity, stop bits */
2090 
2091 	urb_value = 0;
2092 	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2093 		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2094 	if (cflag & PARENB) {
2095 		if (cflag & CMSPAR)
2096 			urb_value |= cflag & PARODD ?
2097 				     FTDI_SIO_SET_DATA_PARITY_MARK :
2098 				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2099 		else
2100 			urb_value |= cflag & PARODD ?
2101 				     FTDI_SIO_SET_DATA_PARITY_ODD :
2102 				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2103 	} else {
2104 		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2105 	}
2106 	if (cflag & CSIZE) {
2107 		switch (cflag & CSIZE) {
2108 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2109 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2110 		default:
2111 			dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
2112 		}
2113 	}
2114 
2115 	/* This is needed by the break command since it uses the same command
2116 	   - but is or'ed with this value  */
2117 	priv->last_set_data_urb_value = urb_value;
2118 
2119 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2120 			    FTDI_SIO_SET_DATA_REQUEST,
2121 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2122 			    urb_value , priv->interface,
2123 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2124 		dev_err(&port->dev, "%s FAILED to set "
2125 			"databits/stopbits/parity\n", __func__);
2126 	}
2127 
2128 	/* Now do the baudrate */
2129 	if ((cflag & CBAUD) == B0) {
2130 		/* Disable flow control */
2131 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2132 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2133 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2134 				    0, priv->interface,
2135 				    NULL, 0, WDR_TIMEOUT) < 0) {
2136 			dev_err(&port->dev,
2137 				"%s error from disable flowcontrol urb\n",
2138 				__func__);
2139 		}
2140 		/* Drop RTS and DTR */
2141 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2142 	} else {
2143 		/* set the baudrate determined before */
2144 		mutex_lock(&priv->cfg_lock);
2145 		if (change_speed(tty, port))
2146 			dev_err(&port->dev, "%s urb failed to set baudrate\n",
2147 				__func__);
2148 		mutex_unlock(&priv->cfg_lock);
2149 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2150 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2151 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2152 	}
2153 
2154 	/* Set flow control */
2155 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2156 	if (cflag & CRTSCTS) {
2157 		dbg("%s Setting to CRTSCTS flow control", __func__);
2158 		if (usb_control_msg(dev,
2159 				    usb_sndctrlpipe(dev, 0),
2160 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2161 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2162 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2163 				    NULL, 0, WDR_TIMEOUT) < 0) {
2164 			dev_err(&port->dev,
2165 				"urb failed to set to rts/cts flow control\n");
2166 		}
2167 
2168 	} else {
2169 		/*
2170 		 * Xon/Xoff code
2171 		 *
2172 		 * Check the IXOFF status in the iflag component of the
2173 		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2174 		 * code is executed.
2175 		 */
2176 		if (iflag & IXOFF) {
2177 			dbg("%s  request to enable xonxoff iflag=%04x",
2178 							__func__, iflag);
2179 			/* Try to enable the XON/XOFF on the ftdi_sio
2180 			 * Set the vstart and vstop -- could have been done up
2181 			 * above where a lot of other dereferencing is done but
2182 			 * that would be very inefficient as vstart and vstop
2183 			 * are not always needed.
2184 			 */
2185 			vstart = termios->c_cc[VSTART];
2186 			vstop = termios->c_cc[VSTOP];
2187 			urb_value = (vstop << 8) | (vstart);
2188 
2189 			if (usb_control_msg(dev,
2190 					    usb_sndctrlpipe(dev, 0),
2191 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2192 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2193 					    urb_value , (FTDI_SIO_XON_XOFF_HS
2194 							 | priv->interface),
2195 					    NULL, 0, WDR_TIMEOUT) < 0) {
2196 				dev_err(&port->dev, "urb failed to set to "
2197 					"xon/xoff flow control\n");
2198 			}
2199 		} else {
2200 			/* else clause to only run if cflag ! CRTSCTS and iflag
2201 			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2202 			 * stack - not by device */
2203 			dbg("%s Turning off hardware flow control", __func__);
2204 			if (usb_control_msg(dev,
2205 					    usb_sndctrlpipe(dev, 0),
2206 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2207 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2208 					    0, priv->interface,
2209 					    NULL, 0, WDR_TIMEOUT) < 0) {
2210 				dev_err(&port->dev,
2211 					"urb failed to clear flow control\n");
2212 			}
2213 		}
2214 
2215 	}
2216 }
2217 
2218 static int ftdi_tiocmget(struct tty_struct *tty)
2219 {
2220 	struct usb_serial_port *port = tty->driver_data;
2221 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2222 	unsigned char *buf;
2223 	int len;
2224 	int ret;
2225 
2226 	dbg("%s TIOCMGET", __func__);
2227 
2228 	buf = kmalloc(2, GFP_KERNEL);
2229 	if (!buf)
2230 		return -ENOMEM;
2231 	/*
2232 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2233 	 * the same format as the data returned from the in point.
2234 	 */
2235 	switch (priv->chip_type) {
2236 	case SIO:
2237 		len = 1;
2238 		break;
2239 	case FT8U232AM:
2240 	case FT232BM:
2241 	case FT2232C:
2242 	case FT232RL:
2243 	case FT2232H:
2244 	case FT4232H:
2245 	case FT232H:
2246 		len = 2;
2247 		break;
2248 	default:
2249 		ret = -EFAULT;
2250 		goto out;
2251 	}
2252 
2253 	ret = usb_control_msg(port->serial->dev,
2254 			usb_rcvctrlpipe(port->serial->dev, 0),
2255 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2256 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2257 			0, priv->interface,
2258 			buf, len, WDR_TIMEOUT);
2259 	if (ret < 0)
2260 		goto out;
2261 
2262 	ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2263 		(buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2264 		(buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
2265 		(buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2266 		priv->last_dtr_rts;
2267 out:
2268 	kfree(buf);
2269 	return ret;
2270 }
2271 
2272 static int ftdi_tiocmset(struct tty_struct *tty,
2273 			unsigned int set, unsigned int clear)
2274 {
2275 	struct usb_serial_port *port = tty->driver_data;
2276 	dbg("%s TIOCMSET", __func__);
2277 	return update_mctrl(port, set, clear);
2278 }
2279 
2280 static int ftdi_ioctl(struct tty_struct *tty,
2281 					unsigned int cmd, unsigned long arg)
2282 {
2283 	struct usb_serial_port *port = tty->driver_data;
2284 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2285 
2286 	dbg("%s cmd 0x%04x", __func__, cmd);
2287 
2288 	/* Based on code from acm.c and others */
2289 	switch (cmd) {
2290 
2291 	case TIOCGSERIAL: /* gets serial port data */
2292 		return get_serial_info(port,
2293 					(struct serial_struct __user *) arg);
2294 
2295 	case TIOCSSERIAL: /* sets serial port data */
2296 		return set_serial_info(tty, port,
2297 					(struct serial_struct __user *) arg);
2298 
2299 	/*
2300 	 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2301 	 * - mask passed in arg for lines of interest
2302 	 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2303 	 * Caller should use TIOCGICOUNT to see which one it was.
2304 	 * (except that the driver doesn't support it !)
2305 	 *
2306 	 * This code is borrowed from linux/drivers/char/serial.c
2307 	 */
2308 	case TIOCMIWAIT:
2309 		while (priv != NULL) {
2310 			interruptible_sleep_on(&priv->delta_msr_wait);
2311 			/* see if a signal did it */
2312 			if (signal_pending(current))
2313 				return -ERESTARTSYS;
2314 			else {
2315 				char diff = priv->diff_status;
2316 
2317 				if (diff == 0)
2318 					return -EIO; /* no change => error */
2319 
2320 				/* Consume all events */
2321 				priv->diff_status = 0;
2322 
2323 				/* Return 0 if caller wanted to know about
2324 				   these bits */
2325 				if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2326 				    ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2327 				    ((arg & TIOCM_CD)  && (diff & FTDI_RS0_RLSD)) ||
2328 				    ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2329 					return 0;
2330 				}
2331 				/*
2332 				 * Otherwise caller can't care less about what
2333 				 * happened,and so we continue to wait for more
2334 				 * events.
2335 				 */
2336 			}
2337 		}
2338 		return 0;
2339 	case TIOCSERGETLSR:
2340 		return get_lsr_info(port, (struct serial_struct __user *)arg);
2341 		break;
2342 	default:
2343 		break;
2344 	}
2345 	/* This is not necessarily an error - turns out the higher layers
2346 	 * will do some ioctls themselves (see comment above)
2347 	 */
2348 	dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2349 	return -ENOIOCTLCMD;
2350 }
2351 
2352 static int __init ftdi_init(void)
2353 {
2354 	int retval;
2355 
2356 	dbg("%s", __func__);
2357 	if (vendor > 0 && product > 0) {
2358 		/* Add user specified VID/PID to reserved element of table. */
2359 		int i;
2360 		for (i = 0; id_table_combined[i].idVendor; i++)
2361 			;
2362 		id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2363 		id_table_combined[i].idVendor = vendor;
2364 		id_table_combined[i].idProduct = product;
2365 	}
2366 	retval = usb_serial_register(&ftdi_sio_device);
2367 	if (retval)
2368 		goto failed_sio_register;
2369 	retval = usb_register(&ftdi_driver);
2370 	if (retval)
2371 		goto failed_usb_register;
2372 
2373 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2374 	       DRIVER_DESC "\n");
2375 	return 0;
2376 failed_usb_register:
2377 	usb_serial_deregister(&ftdi_sio_device);
2378 failed_sio_register:
2379 	return retval;
2380 }
2381 
2382 static void __exit ftdi_exit(void)
2383 {
2384 	dbg("%s", __func__);
2385 
2386 	usb_deregister(&ftdi_driver);
2387 	usb_serial_deregister(&ftdi_sio_device);
2388 }
2389 
2390 
2391 module_init(ftdi_init);
2392 module_exit(ftdi_exit);
2393 
2394 MODULE_AUTHOR(DRIVER_AUTHOR);
2395 MODULE_DESCRIPTION(DRIVER_DESC);
2396 MODULE_LICENSE("GPL");
2397 
2398 module_param(debug, bool, S_IRUGO | S_IWUSR);
2399 MODULE_PARM_DESC(debug, "Debug enabled or not");
2400 module_param(vendor, ushort, 0);
2401 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2402 		__MODULE_STRING(FTDI_VID)")");
2403 module_param(product, ushort, 0);
2404 MODULE_PARM_DESC(product, "User specified product ID");
2405 
2406 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2407 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2408