xref: /openbmc/linux/drivers/usb/serial/ftdi_sio.c (revision 4800cd83)
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 upto 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 void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
105 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
106 
107 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
108 	.probe	= ftdi_jtag_probe,
109 };
110 
111 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
112 	.probe  = ftdi_mtxorb_hack_setup,
113 };
114 
115 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
116 	.probe	= ftdi_NDI_device_setup,
117 };
118 
119 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
120 	.port_probe = ftdi_USB_UIRT_setup,
121 };
122 
123 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
124 	.port_probe = ftdi_HE_TIRA1_setup,
125 };
126 
127 static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
128 	.probe	= ftdi_stmclite_probe,
129 };
130 
131 /*
132  * The 8U232AM has the same API as the sio except for:
133  * - it can support MUCH higher baudrates; up to:
134  *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
135  *   o 230400 at 12MHz
136  *   so .. 8U232AM's baudrate setting codes are different
137  * - it has a two byte status code.
138  * - it returns characters every 16ms (the FTDI does it every 40ms)
139  *
140  * the bcdDevice value is used to differentiate FT232BM and FT245BM from
141  * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
142  * combinations in both tables.
143  * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
144  * but I don't know if those ever went into mass production. [Ian Abbott]
145  */
146 
147 
148 
149 /*
150  * Device ID not listed? Test via module params product/vendor or
151  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
152  */
153 static struct usb_device_id id_table_combined [] = {
154 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
155 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
156 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
157 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
158 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
159 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
160 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
161 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
162 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
163 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
164 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
165 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
166 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
167 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
168 	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
169 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
170 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
171 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
172 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
173 	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
174 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
175 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
176 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
177 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
178 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
179 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
180 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
181 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
182 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
183 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
184 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
185 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
186 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
187 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
188 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
189 	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
190 	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
191 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
192 	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
193 	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
194 	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
195 	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
196 	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
197 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
198 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
199 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
200 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
201 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
202 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
203 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
204 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
205 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
206 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
207 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
208 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
209 	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
210 	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
211 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
212 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
213 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
214 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
215 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
216 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
217 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
218 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
219 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
220 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
221 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
222 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
223 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
224 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
225 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
226 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
227 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
228 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
229 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
230 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
231 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
232 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
233 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
234 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
235 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
236 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
237 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
238 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
239 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
240 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
241 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
242 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
243 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
244 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
245 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
246 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
247 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
248 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
249 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
250 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
251 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
252 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
253 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
254 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
255 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
256 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
257 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
258 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
259 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
260 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
261 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
262 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
263 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
264 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
265 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
266 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
267 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
268 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
269 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
270 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
271 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
272 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
273 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
274 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
275 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
276 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
277 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
278 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
279 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
280 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
281 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
282 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
283 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
284 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
285 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
286 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
287 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
288 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
289 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
290 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
291 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
292 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
293 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
294 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
295 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
296 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
297 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
298 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
299 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
300 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
301 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
302 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
303 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
304 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
305 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
306 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
307 		.driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
308 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
309 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
310 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
311 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
312 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
313 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
314 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
315 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
316 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
317 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
318 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
319 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
320 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
321 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
322 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
323 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
324 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
325 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
326 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
327 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
328 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
329 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
330 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
331 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
332 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
333 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
334 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
335 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
336 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
337 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
338 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
339 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
340 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
341 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
342 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
343 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
344 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
345 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
346 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
347 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
348 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
349 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
350 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
351 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
352 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
353 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
354 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
355 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
356 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
357 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
358 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
359 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
360 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
361 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
362 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
363 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
364 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
365 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
366 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
367 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
368 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
369 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
370 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
371 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
372 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
373 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
374 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
375 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
376 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
377 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
378 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
379 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
380 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
381 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
382 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
383 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
384 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
385 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
386 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
387 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
388 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
389 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
390 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
391 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
392 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
393 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
394 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
395 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
396 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
397 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
398 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
399 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
400 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
401 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
402 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
403 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
404 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
405 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
406 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
407 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
408 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
409 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
410 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
411 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
412 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
413 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
414 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
415 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
416 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
417 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
418 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
419 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
420 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
421 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
422 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
423 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
424 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
425 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
426 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
427 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
428 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
429 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
430 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
431 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
432 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
433 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
434 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
435 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
436 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
437 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
438 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
439 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
440 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
441 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
442 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
443 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
444 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
445 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
446 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
447 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
448 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
449 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
450 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
451 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
452 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
453 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
454 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
455 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
456 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
457 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
458 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
459 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
460 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
461 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
462 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
463 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
464 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
465 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
466 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
467 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
468 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
469 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
470 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
471 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
472 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
473 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
474 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
475 	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
476 	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
477 	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
478 	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
479 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
480 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
481 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
482 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
483 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
484 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
485 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
486 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
487 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
488 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
489 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
490 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
491 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
492 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
493 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
494 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
495 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
496 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
497 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
498 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
499 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
500 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
501 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
502 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
503 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
504 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
505 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
506 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
507 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
508 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
509 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
510 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
511 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
512 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
513 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
514 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
515 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
516 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
517 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
518 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
519 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
520 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
521 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
522 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
523 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
524 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
525 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
526 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
527 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
528 	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
529 		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
530 	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
531 		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
532 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
533 	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
534 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
535 	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
536 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
537 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
538 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
539 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
540 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
541 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
542 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
543 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
544 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
545 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
546 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
547 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
548 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
549 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
550 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
551 	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
552 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
553 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
554 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
555 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
556 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
557 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
558 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
559 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
560 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
561 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
562 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
563 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
564 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
565 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
566 	/*
567 	 * ELV devices:
568 	 */
569 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
570 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
571 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
572 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
573 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
574 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
575 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
576 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
577 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
578 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
579 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
580 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
581 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
582 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
583 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
584 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
585 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
586 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
587 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
588 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
589 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
590 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
591 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
592 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
593 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
594 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
595 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
596 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
597 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
598 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
599 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
600 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
601 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
602 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
603 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
604 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
605 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
606 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
607 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
608 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
609 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
610 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
611 	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
612 	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
613 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
614 	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
615 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
616 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
617 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
618 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
619 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
620 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
621 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
622 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
623 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
624 	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
625 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
626 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
627 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
628 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
629 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
630 	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
631 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
632 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
633 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
634 	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
635 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
636 	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
637 	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
638 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
639 	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
640 	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
641 	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
642 	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
643 	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
644 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
645 	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
646 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
647 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
648 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
649 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
650 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
651 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
652 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
653 	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
654 	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
655 	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
656 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
657 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
658 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
659 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
660 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
661 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
662 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
663 	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
664 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
665 	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
666 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
667 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
668 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
669 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
670 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
671 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
672 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
673 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
674 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
675 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
676 	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
677 	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
678 	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
679 	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
680 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
681 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
682 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
683 	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
684 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
685 	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
686 	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
687 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
688 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
689 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
690 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
691 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
692 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
693 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
694 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
695 	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
696 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
697 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
698 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
699 	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
700 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
701 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
702 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
703 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
704 	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
705 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
706 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
707 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
708 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
709 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
710 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
711 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
712 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
713 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
714 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
715 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
716 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
717 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
718 	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
719 	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
720 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
721 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
722 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
723 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
724 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
725 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
726 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
727 	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
728 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
729 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
730 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
731 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
732 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
733 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
734 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
735 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
736 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
737 
738 	/* Papouch devices based on FTDI chip */
739 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
740 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
741 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
742 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
743 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
744 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
745 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
746 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
747 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
748 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
749 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
750 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
751 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
752 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
753 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
754 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
755 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
756 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
757 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
758 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
759 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
760 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
761 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
762 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
763 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
764 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
765 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
766 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
767 
768 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
769 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
770 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
771 	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
772 	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
773 	{ USB_DEVICE(DE_VID, STB_PID) },
774 	{ USB_DEVICE(DE_VID, WHT_PID) },
775 	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
776 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
777 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
778 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
779 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
780 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
781 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
782 	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
783 	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
784 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
785 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
786 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
787 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
788 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
789 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
790 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
791 	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
792 	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
793 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
794 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
795 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
796 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
797 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
798 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
799 	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
800 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
801 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
802 	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
803 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
804 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
805 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
806 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
807 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
808 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
809 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
810 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
811 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
812 	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
813 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
814 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
815 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
816 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
817 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
818 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
819 	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
820 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
821 	{ },					/* Optional parameter entry */
822 	{ }					/* Terminating entry */
823 };
824 
825 MODULE_DEVICE_TABLE(usb, id_table_combined);
826 
827 static struct usb_driver ftdi_driver = {
828 	.name =		"ftdi_sio",
829 	.probe =	usb_serial_probe,
830 	.disconnect =	usb_serial_disconnect,
831 	.id_table =	id_table_combined,
832 	.no_dynamic_id =	1,
833 };
834 
835 static const char *ftdi_chip_name[] = {
836 	[SIO] = "SIO",	/* the serial part of FT8U100AX */
837 	[FT8U232AM] = "FT8U232AM",
838 	[FT232BM] = "FT232BM",
839 	[FT2232C] = "FT2232C",
840 	[FT232RL] = "FT232RL",
841 	[FT2232H] = "FT2232H",
842 	[FT4232H] = "FT4232H"
843 };
844 
845 
846 /* Used for TIOCMIWAIT */
847 #define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
848 #define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
849 /* End TIOCMIWAIT */
850 
851 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
852  | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
853 
854 /* function prototypes for a FTDI serial converter */
855 static int  ftdi_sio_probe(struct usb_serial *serial,
856 					const struct usb_device_id *id);
857 static int  ftdi_sio_port_probe(struct usb_serial_port *port);
858 static int  ftdi_sio_port_remove(struct usb_serial_port *port);
859 static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
860 static void ftdi_close(struct usb_serial_port *port);
861 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
862 static void ftdi_process_read_urb(struct urb *urb);
863 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
864 						void *dest, size_t size);
865 static void ftdi_set_termios(struct tty_struct *tty,
866 			struct usb_serial_port *port, struct ktermios *old);
867 static int  ftdi_tiocmget(struct tty_struct *tty, struct file *file);
868 static int  ftdi_tiocmset(struct tty_struct *tty, struct file *file,
869 			unsigned int set, unsigned int clear);
870 static int  ftdi_ioctl(struct tty_struct *tty, struct file *file,
871 			unsigned int cmd, unsigned long arg);
872 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
873 
874 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
875 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
876 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
877 static __u32 ftdi_232bm_baud_to_divisor(int baud);
878 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
879 static __u32 ftdi_2232h_baud_to_divisor(int baud);
880 
881 static struct usb_serial_driver ftdi_sio_device = {
882 	.driver = {
883 		.owner =	THIS_MODULE,
884 		.name =		"ftdi_sio",
885 	},
886 	.description =		"FTDI USB Serial Device",
887 	.usb_driver = 		&ftdi_driver,
888 	.id_table =		id_table_combined,
889 	.num_ports =		1,
890 	.bulk_in_size =		512,
891 	.bulk_out_size =	256,
892 	.probe =		ftdi_sio_probe,
893 	.port_probe =		ftdi_sio_port_probe,
894 	.port_remove =		ftdi_sio_port_remove,
895 	.open =			ftdi_open,
896 	.close =		ftdi_close,
897 	.dtr_rts =		ftdi_dtr_rts,
898 	.throttle =		usb_serial_generic_throttle,
899 	.unthrottle =		usb_serial_generic_unthrottle,
900 	.process_read_urb =	ftdi_process_read_urb,
901 	.prepare_write_buffer =	ftdi_prepare_write_buffer,
902 	.tiocmget =		ftdi_tiocmget,
903 	.tiocmset =		ftdi_tiocmset,
904 	.ioctl =		ftdi_ioctl,
905 	.set_termios =		ftdi_set_termios,
906 	.break_ctl =		ftdi_break_ctl,
907 };
908 
909 
910 #define WDR_TIMEOUT 5000 /* default urb timeout */
911 #define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
912 
913 /* High and low are for DTR, RTS etc etc */
914 #define HIGH 1
915 #define LOW 0
916 
917 /*
918  * ***************************************************************************
919  * Utility functions
920  * ***************************************************************************
921  */
922 
923 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
924 {
925 	unsigned short int divisor;
926 	/* divisor shifted 3 bits to the left */
927 	int divisor3 = base / 2 / baud;
928 	if ((divisor3 & 0x7) == 7)
929 		divisor3++; /* round x.7/8 up to x+1 */
930 	divisor = divisor3 >> 3;
931 	divisor3 &= 0x7;
932 	if (divisor3 == 1)
933 		divisor |= 0xc000;
934 	else if (divisor3 >= 4)
935 		divisor |= 0x4000;
936 	else if (divisor3 != 0)
937 		divisor |= 0x8000;
938 	else if (divisor == 1)
939 		divisor = 0;	/* special case for maximum baud rate */
940 	return divisor;
941 }
942 
943 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
944 {
945 	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
946 }
947 
948 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
949 {
950 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
951 	__u32 divisor;
952 	/* divisor shifted 3 bits to the left */
953 	int divisor3 = base / 2 / baud;
954 	divisor = divisor3 >> 3;
955 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
956 	/* Deal with special cases for highest baud rates. */
957 	if (divisor == 1)
958 		divisor = 0;
959 	else if (divisor == 0x4001)
960 		divisor = 1;
961 	return divisor;
962 }
963 
964 static __u32 ftdi_232bm_baud_to_divisor(int baud)
965 {
966 	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
967 }
968 
969 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
970 {
971 	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
972 	__u32 divisor;
973 	int divisor3;
974 
975 	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
976 	divisor3 = (base / 10 / baud) * 8;
977 
978 	divisor = divisor3 >> 3;
979 	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
980 	/* Deal with special cases for highest baud rates. */
981 	if (divisor == 1)
982 		divisor = 0;
983 	else if (divisor == 0x4001)
984 		divisor = 1;
985 	/*
986 	 * Set this bit to turn off a divide by 2.5 on baud rate generator
987 	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
988 	 * baud with this bit set
989 	 */
990 	divisor |= 0x00020000;
991 	return divisor;
992 }
993 
994 static __u32 ftdi_2232h_baud_to_divisor(int baud)
995 {
996 	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
997 }
998 
999 #define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1000 #define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1001 
1002 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1003 							unsigned int clear)
1004 {
1005 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1006 	unsigned urb_value;
1007 	int rv;
1008 
1009 	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1010 		dbg("%s - DTR|RTS not being set|cleared", __func__);
1011 		return 0;	/* no change */
1012 	}
1013 
1014 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1015 	urb_value = 0;
1016 	if (clear & TIOCM_DTR)
1017 		urb_value |= FTDI_SIO_SET_DTR_LOW;
1018 	if (clear & TIOCM_RTS)
1019 		urb_value |= FTDI_SIO_SET_RTS_LOW;
1020 	if (set & TIOCM_DTR)
1021 		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1022 	if (set & TIOCM_RTS)
1023 		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1024 	rv = usb_control_msg(port->serial->dev,
1025 			       usb_sndctrlpipe(port->serial->dev, 0),
1026 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1027 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1028 			       urb_value, priv->interface,
1029 			       NULL, 0, WDR_TIMEOUT);
1030 	if (rv < 0) {
1031 		dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
1032 				__func__,
1033 				(set & TIOCM_DTR) ? "HIGH" :
1034 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1035 				(set & TIOCM_RTS) ? "HIGH" :
1036 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1037 	} else {
1038 		dbg("%s - DTR %s, RTS %s", __func__,
1039 				(set & TIOCM_DTR) ? "HIGH" :
1040 				(clear & TIOCM_DTR) ? "LOW" : "unchanged",
1041 				(set & TIOCM_RTS) ? "HIGH" :
1042 				(clear & TIOCM_RTS) ? "LOW" : "unchanged");
1043 		/* FIXME: locking on last_dtr_rts */
1044 		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1045 	}
1046 	return rv;
1047 }
1048 
1049 
1050 static __u32 get_ftdi_divisor(struct tty_struct *tty,
1051 						struct usb_serial_port *port)
1052 {
1053 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1054 	__u32 div_value = 0;
1055 	int div_okay = 1;
1056 	int baud;
1057 
1058 	/*
1059 	 * The logic involved in setting the baudrate can be cleanly split into
1060 	 * 3 steps.
1061 	 * 1. Standard baud rates are set in tty->termios->c_cflag
1062 	 * 2. If these are not enough, you can set any speed using alt_speed as
1063 	 * follows:
1064 	 *    - set tty->termios->c_cflag speed to B38400
1065 	 *    - set your real speed in tty->alt_speed; it gets ignored when
1066 	 *      alt_speed==0, (or)
1067 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1068 	 *	follows:
1069 	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1070 	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1071 	 *	SHI: 230400, WARP: 460800)
1072 	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1073 	 * 3. You can also set baud rate by setting custom divisor as follows
1074 	 *    - set tty->termios->c_cflag speed to B38400
1075 	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1076 	 *	follows:
1077 	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1078 	 *      o custom_divisor set to baud_base / your_new_baudrate
1079 	 * ** Step 3 is done courtesy of code borrowed from serial.c
1080 	 *    I should really spend some time and separate + move this common
1081 	 *    code to serial.c, it is replicated in nearly every serial driver
1082 	 *    you see.
1083 	 */
1084 
1085 	/* 1. Get the baud rate from the tty settings, this observes
1086 	      alt_speed hack */
1087 
1088 	baud = tty_get_baud_rate(tty);
1089 	dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1090 
1091 	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1092 	   if needed */
1093 
1094 	if (baud == 38400 &&
1095 	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1096 	     (priv->custom_divisor)) {
1097 		baud = priv->baud_base / priv->custom_divisor;
1098 		dbg("%s - custom divisor %d sets baud rate to %d",
1099 				__func__, priv->custom_divisor, baud);
1100 	}
1101 
1102 	/* 3. Convert baudrate to device-specific divisor */
1103 
1104 	if (!baud)
1105 		baud = 9600;
1106 	switch (priv->chip_type) {
1107 	case SIO: /* SIO chip */
1108 		switch (baud) {
1109 		case 300: div_value = ftdi_sio_b300; break;
1110 		case 600: div_value = ftdi_sio_b600; break;
1111 		case 1200: div_value = ftdi_sio_b1200; break;
1112 		case 2400: div_value = ftdi_sio_b2400; break;
1113 		case 4800: div_value = ftdi_sio_b4800; break;
1114 		case 9600: div_value = ftdi_sio_b9600; break;
1115 		case 19200: div_value = ftdi_sio_b19200; break;
1116 		case 38400: div_value = ftdi_sio_b38400; break;
1117 		case 57600: div_value = ftdi_sio_b57600;  break;
1118 		case 115200: div_value = ftdi_sio_b115200; break;
1119 		} /* baud */
1120 		if (div_value == 0) {
1121 			dbg("%s - Baudrate (%d) requested is not supported",
1122 							__func__,  baud);
1123 			div_value = ftdi_sio_b9600;
1124 			baud = 9600;
1125 			div_okay = 0;
1126 		}
1127 		break;
1128 	case FT8U232AM: /* 8U232AM chip */
1129 		if (baud <= 3000000) {
1130 			div_value = ftdi_232am_baud_to_divisor(baud);
1131 		} else {
1132 			dbg("%s - Baud rate too high!", __func__);
1133 			baud = 9600;
1134 			div_value = ftdi_232am_baud_to_divisor(9600);
1135 			div_okay = 0;
1136 		}
1137 		break;
1138 	case FT232BM: /* FT232BM chip */
1139 	case FT2232C: /* FT2232C chip */
1140 	case FT232RL:
1141 		if (baud <= 3000000) {
1142 			__u16 product_id = le16_to_cpu(
1143 				port->serial->dev->descriptor.idProduct);
1144 			if (((FTDI_NDI_HUC_PID == product_id) ||
1145 			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1146 			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1147 			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1148 			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1149 			    (baud == 19200)) {
1150 				baud = 1200000;
1151 			}
1152 			div_value = ftdi_232bm_baud_to_divisor(baud);
1153 		} else {
1154 			dbg("%s - Baud rate too high!", __func__);
1155 			div_value = ftdi_232bm_baud_to_divisor(9600);
1156 			div_okay = 0;
1157 			baud = 9600;
1158 		}
1159 		break;
1160 	case FT2232H: /* FT2232H chip */
1161 	case FT4232H: /* FT4232H chip */
1162 		if ((baud <= 12000000) & (baud >= 1200)) {
1163 			div_value = ftdi_2232h_baud_to_divisor(baud);
1164 		} else if (baud < 1200) {
1165 			div_value = ftdi_232bm_baud_to_divisor(baud);
1166 		} else {
1167 			dbg("%s - Baud rate too high!", __func__);
1168 			div_value = ftdi_232bm_baud_to_divisor(9600);
1169 			div_okay = 0;
1170 			baud = 9600;
1171 		}
1172 		break;
1173 	} /* priv->chip_type */
1174 
1175 	if (div_okay) {
1176 		dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1177 			__func__, baud, (unsigned long)div_value,
1178 			ftdi_chip_name[priv->chip_type]);
1179 	}
1180 
1181 	tty_encode_baud_rate(tty, baud, baud);
1182 	return div_value;
1183 }
1184 
1185 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1186 {
1187 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1188 	__u16 urb_value;
1189 	__u16 urb_index;
1190 	__u32 urb_index_value;
1191 	int rv;
1192 
1193 	urb_index_value = get_ftdi_divisor(tty, port);
1194 	urb_value = (__u16)urb_index_value;
1195 	urb_index = (__u16)(urb_index_value >> 16);
1196 	if (priv->interface) {	/* FT2232C */
1197 		urb_index = (__u16)((urb_index << 8) | priv->interface);
1198 	}
1199 
1200 	rv = usb_control_msg(port->serial->dev,
1201 			    usb_sndctrlpipe(port->serial->dev, 0),
1202 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1203 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1204 			    urb_value, urb_index,
1205 			    NULL, 0, WDR_SHORT_TIMEOUT);
1206 	return rv;
1207 }
1208 
1209 static int write_latency_timer(struct usb_serial_port *port)
1210 {
1211 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1212 	struct usb_device *udev = port->serial->dev;
1213 	int rv;
1214 	int l = priv->latency;
1215 
1216 	if (priv->flags & ASYNC_LOW_LATENCY)
1217 		l = 1;
1218 
1219 	dbg("%s: setting latency timer = %i", __func__, l);
1220 
1221 	rv = usb_control_msg(udev,
1222 			     usb_sndctrlpipe(udev, 0),
1223 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1224 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1225 			     l, priv->interface,
1226 			     NULL, 0, WDR_TIMEOUT);
1227 	if (rv < 0)
1228 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1229 	return rv;
1230 }
1231 
1232 static int read_latency_timer(struct usb_serial_port *port)
1233 {
1234 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1235 	struct usb_device *udev = port->serial->dev;
1236 	unsigned char *buf;
1237 	int rv;
1238 
1239 	dbg("%s", __func__);
1240 
1241 	buf = kmalloc(1, GFP_KERNEL);
1242 	if (!buf)
1243 		return -ENOMEM;
1244 
1245 	rv = usb_control_msg(udev,
1246 			     usb_rcvctrlpipe(udev, 0),
1247 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1248 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1249 			     0, priv->interface,
1250 			     buf, 1, WDR_TIMEOUT);
1251 	if (rv < 0)
1252 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1253 	else
1254 		priv->latency = buf[0];
1255 
1256 	kfree(buf);
1257 
1258 	return rv;
1259 }
1260 
1261 static int get_serial_info(struct usb_serial_port *port,
1262 				struct serial_struct __user *retinfo)
1263 {
1264 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1265 	struct serial_struct tmp;
1266 
1267 	if (!retinfo)
1268 		return -EFAULT;
1269 	memset(&tmp, 0, sizeof(tmp));
1270 	tmp.flags = priv->flags;
1271 	tmp.baud_base = priv->baud_base;
1272 	tmp.custom_divisor = priv->custom_divisor;
1273 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1274 		return -EFAULT;
1275 	return 0;
1276 }
1277 
1278 static int set_serial_info(struct tty_struct *tty,
1279 	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1280 {
1281 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1282 	struct serial_struct new_serial;
1283 	struct ftdi_private old_priv;
1284 
1285 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1286 		return -EFAULT;
1287 
1288 	mutex_lock(&priv->cfg_lock);
1289 	old_priv = *priv;
1290 
1291 	/* Do error checking and permission checking */
1292 
1293 	if (!capable(CAP_SYS_ADMIN)) {
1294 		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1295 		     (priv->flags & ~ASYNC_USR_MASK))) {
1296 			mutex_unlock(&priv->cfg_lock);
1297 			return -EPERM;
1298 		}
1299 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1300 			       (new_serial.flags & ASYNC_USR_MASK));
1301 		priv->custom_divisor = new_serial.custom_divisor;
1302 		goto check_and_exit;
1303 	}
1304 
1305 	if ((new_serial.baud_base != priv->baud_base) &&
1306 	    (new_serial.baud_base < 9600)) {
1307 		mutex_unlock(&priv->cfg_lock);
1308 		return -EINVAL;
1309 	}
1310 
1311 	/* Make the changes - these are privileged changes! */
1312 
1313 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1314 					(new_serial.flags & ASYNC_FLAGS));
1315 	priv->custom_divisor = new_serial.custom_divisor;
1316 
1317 	write_latency_timer(port);
1318 
1319 check_and_exit:
1320 	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1321 	     (priv->flags & ASYNC_SPD_MASK)) {
1322 		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1323 			tty->alt_speed = 57600;
1324 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1325 			tty->alt_speed = 115200;
1326 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1327 			tty->alt_speed = 230400;
1328 		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1329 			tty->alt_speed = 460800;
1330 		else
1331 			tty->alt_speed = 0;
1332 	}
1333 	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1334 	     (priv->flags & ASYNC_SPD_MASK)) ||
1335 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1336 	     (old_priv.custom_divisor != priv->custom_divisor))) {
1337 		change_speed(tty, port);
1338 		mutex_unlock(&priv->cfg_lock);
1339 	}
1340 	else
1341 		mutex_unlock(&priv->cfg_lock);
1342 	return 0;
1343 }
1344 
1345 static int get_lsr_info(struct usb_serial_port *port,
1346 			struct serial_struct __user *retinfo)
1347 {
1348 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1349 	unsigned int result = 0;
1350 
1351 	if (!retinfo)
1352 		return -EFAULT;
1353 
1354 	if (priv->transmit_empty)
1355 		result = TIOCSER_TEMT;
1356 
1357 	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1358 		return -EFAULT;
1359 	return 0;
1360 }
1361 
1362 
1363 /* Determine type of FTDI chip based on USB config and descriptor. */
1364 static void ftdi_determine_type(struct usb_serial_port *port)
1365 {
1366 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1367 	struct usb_serial *serial = port->serial;
1368 	struct usb_device *udev = serial->dev;
1369 	unsigned version;
1370 	unsigned interfaces;
1371 
1372 	/* Assume it is not the original SIO device for now. */
1373 	priv->baud_base = 48000000 / 2;
1374 
1375 	version = le16_to_cpu(udev->descriptor.bcdDevice);
1376 	interfaces = udev->actconfig->desc.bNumInterfaces;
1377 	dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1378 			version, interfaces);
1379 	if (interfaces > 1) {
1380 		int inter;
1381 
1382 		/* Multiple interfaces.*/
1383 		if (version == 0x0800) {
1384 			priv->chip_type = FT4232H;
1385 			/* Hi-speed - baud clock runs at 120MHz */
1386 			priv->baud_base = 120000000 / 2;
1387 		} else if (version == 0x0700) {
1388 			priv->chip_type = FT2232H;
1389 			/* Hi-speed - baud clock runs at 120MHz */
1390 			priv->baud_base = 120000000 / 2;
1391 		} else
1392 			priv->chip_type = FT2232C;
1393 
1394 		/* Determine interface code. */
1395 		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1396 		if (inter == 0) {
1397 			priv->interface = INTERFACE_A;
1398 		} else  if (inter == 1) {
1399 			priv->interface = INTERFACE_B;
1400 		} else  if (inter == 2) {
1401 			priv->interface = INTERFACE_C;
1402 		} else  if (inter == 3) {
1403 			priv->interface = INTERFACE_D;
1404 		}
1405 		/* BM-type devices have a bug where bcdDevice gets set
1406 		 * to 0x200 when iSerialNumber is 0.  */
1407 		if (version < 0x500) {
1408 			dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1409 					__func__);
1410 		}
1411 	} else if (version < 0x200) {
1412 		/* Old device.  Assume it's the original SIO. */
1413 		priv->chip_type = SIO;
1414 		priv->baud_base = 12000000 / 16;
1415 	} else if (version < 0x400) {
1416 		/* Assume it's an FT8U232AM (or FT8U245AM) */
1417 		/* (It might be a BM because of the iSerialNumber bug,
1418 		 * but it will still work as an AM device.) */
1419 		priv->chip_type = FT8U232AM;
1420 	} else if (version < 0x600) {
1421 		/* Assume it's an FT232BM (or FT245BM) */
1422 		priv->chip_type = FT232BM;
1423 	} else {
1424 		/* Assume it's an FT232R */
1425 		priv->chip_type = FT232RL;
1426 	}
1427 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1428 }
1429 
1430 
1431 /* Determine the maximum packet size for the device.  This depends on the chip
1432  * type and the USB host capabilities.  The value should be obtained from the
1433  * device descriptor as the chip will use the appropriate values for the host.*/
1434 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1435 {
1436 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1437 	struct usb_serial *serial = port->serial;
1438 	struct usb_device *udev = serial->dev;
1439 
1440 	struct usb_interface *interface = serial->interface;
1441 	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1442 
1443 	unsigned num_endpoints;
1444 	int i;
1445 
1446 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1447 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1448 
1449 	/* NOTE: some customers have programmed FT232R/FT245R devices
1450 	 * with an endpoint size of 0 - not good.  In this case, we
1451 	 * want to override the endpoint descriptor setting and use a
1452 	 * value of 64 for wMaxPacketSize */
1453 	for (i = 0; i < num_endpoints; i++) {
1454 		dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1455 			interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1456 		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1457 		if (ep_desc->wMaxPacketSize == 0) {
1458 			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1459 			dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1460 		}
1461 	}
1462 
1463 	/* set max packet size based on descriptor */
1464 	priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);
1465 
1466 	dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1467 }
1468 
1469 
1470 /*
1471  * ***************************************************************************
1472  * Sysfs Attribute
1473  * ***************************************************************************
1474  */
1475 
1476 static ssize_t show_latency_timer(struct device *dev,
1477 				struct device_attribute *attr, char *buf)
1478 {
1479 	struct usb_serial_port *port = to_usb_serial_port(dev);
1480 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1481 	if (priv->flags & ASYNC_LOW_LATENCY)
1482 		return sprintf(buf, "1\n");
1483 	else
1484 		return sprintf(buf, "%i\n", priv->latency);
1485 }
1486 
1487 
1488 /* Write a new value of the latency timer, in units of milliseconds. */
1489 static ssize_t store_latency_timer(struct device *dev,
1490 			struct device_attribute *attr, const char *valbuf,
1491 			size_t count)
1492 {
1493 	struct usb_serial_port *port = to_usb_serial_port(dev);
1494 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1495 	int v = simple_strtoul(valbuf, NULL, 10);
1496 	int rv;
1497 
1498 	priv->latency = v;
1499 	rv = write_latency_timer(port);
1500 	if (rv < 0)
1501 		return -EIO;
1502 	return count;
1503 }
1504 
1505 /* Write an event character directly to the FTDI register.  The ASCII
1506    value is in the low 8 bits, with the enable bit in the 9th bit. */
1507 static ssize_t store_event_char(struct device *dev,
1508 	struct device_attribute *attr, const char *valbuf, size_t count)
1509 {
1510 	struct usb_serial_port *port = to_usb_serial_port(dev);
1511 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1512 	struct usb_device *udev = port->serial->dev;
1513 	int v = simple_strtoul(valbuf, NULL, 10);
1514 	int rv;
1515 
1516 	dbg("%s: setting event char = %i", __func__, v);
1517 
1518 	rv = usb_control_msg(udev,
1519 			     usb_sndctrlpipe(udev, 0),
1520 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1521 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1522 			     v, priv->interface,
1523 			     NULL, 0, WDR_TIMEOUT);
1524 	if (rv < 0) {
1525 		dbg("Unable to write event character: %i", rv);
1526 		return -EIO;
1527 	}
1528 
1529 	return count;
1530 }
1531 
1532 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1533 							store_latency_timer);
1534 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1535 
1536 static int create_sysfs_attrs(struct usb_serial_port *port)
1537 {
1538 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1539 	int retval = 0;
1540 
1541 	dbg("%s", __func__);
1542 
1543 	/* XXX I've no idea if the original SIO supports the event_char
1544 	 * sysfs parameter, so I'm playing it safe.  */
1545 	if (priv->chip_type != SIO) {
1546 		dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1547 		retval = device_create_file(&port->dev, &dev_attr_event_char);
1548 		if ((!retval) &&
1549 		    (priv->chip_type == FT232BM ||
1550 		     priv->chip_type == FT2232C ||
1551 		     priv->chip_type == FT232RL ||
1552 		     priv->chip_type == FT2232H ||
1553 		     priv->chip_type == FT4232H)) {
1554 			retval = device_create_file(&port->dev,
1555 						    &dev_attr_latency_timer);
1556 		}
1557 	}
1558 	return retval;
1559 }
1560 
1561 static void remove_sysfs_attrs(struct usb_serial_port *port)
1562 {
1563 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1564 
1565 	dbg("%s", __func__);
1566 
1567 	/* XXX see create_sysfs_attrs */
1568 	if (priv->chip_type != SIO) {
1569 		device_remove_file(&port->dev, &dev_attr_event_char);
1570 		if (priv->chip_type == FT232BM ||
1571 		    priv->chip_type == FT2232C ||
1572 		    priv->chip_type == FT232RL ||
1573 		    priv->chip_type == FT2232H ||
1574 		    priv->chip_type == FT4232H) {
1575 			device_remove_file(&port->dev, &dev_attr_latency_timer);
1576 		}
1577 	}
1578 
1579 }
1580 
1581 /*
1582  * ***************************************************************************
1583  * FTDI driver specific functions
1584  * ***************************************************************************
1585  */
1586 
1587 /* Probe function to check for special devices */
1588 static int ftdi_sio_probe(struct usb_serial *serial,
1589 					const struct usb_device_id *id)
1590 {
1591 	struct ftdi_sio_quirk *quirk =
1592 				(struct ftdi_sio_quirk *)id->driver_info;
1593 
1594 	if (quirk && quirk->probe) {
1595 		int ret = quirk->probe(serial);
1596 		if (ret != 0)
1597 			return ret;
1598 	}
1599 
1600 	usb_set_serial_data(serial, (void *)id->driver_info);
1601 
1602 	return 0;
1603 }
1604 
1605 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1606 {
1607 	struct ftdi_private *priv;
1608 	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1609 
1610 
1611 	dbg("%s", __func__);
1612 
1613 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1614 	if (!priv) {
1615 		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1616 					sizeof(struct ftdi_private));
1617 		return -ENOMEM;
1618 	}
1619 
1620 	kref_init(&priv->kref);
1621 	mutex_init(&priv->cfg_lock);
1622 	init_waitqueue_head(&priv->delta_msr_wait);
1623 
1624 	priv->flags = ASYNC_LOW_LATENCY;
1625 
1626 	if (quirk && quirk->port_probe)
1627 		quirk->port_probe(priv);
1628 
1629 	priv->port = port;
1630 	usb_set_serial_port_data(port, priv);
1631 
1632 	ftdi_determine_type(port);
1633 	ftdi_set_max_packet_size(port);
1634 	if (read_latency_timer(port) < 0)
1635 		priv->latency = 16;
1636 	write_latency_timer(port);
1637 	create_sysfs_attrs(port);
1638 	return 0;
1639 }
1640 
1641 /* Setup for the USB-UIRT device, which requires hardwired
1642  * baudrate (38400 gets mapped to 312500) */
1643 /* Called from usbserial:serial_probe */
1644 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1645 {
1646 	dbg("%s", __func__);
1647 
1648 	priv->flags |= ASYNC_SPD_CUST;
1649 	priv->custom_divisor = 77;
1650 	priv->force_baud = 38400;
1651 }
1652 
1653 /* Setup for the HE-TIRA1 device, which requires hardwired
1654  * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1655 
1656 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1657 {
1658 	dbg("%s", __func__);
1659 
1660 	priv->flags |= ASYNC_SPD_CUST;
1661 	priv->custom_divisor = 240;
1662 	priv->force_baud = 38400;
1663 	priv->force_rtscts = 1;
1664 }
1665 
1666 /*
1667  * Module parameter to control latency timer for NDI FTDI-based USB devices.
1668  * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1669  */
1670 static int ndi_latency_timer = 1;
1671 
1672 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1673  * baudrate (19200 gets mapped to 1200000).
1674  *
1675  * Called from usbserial:serial_probe.
1676  */
1677 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1678 {
1679 	struct usb_device *udev = serial->dev;
1680 	int latency = ndi_latency_timer;
1681 
1682 	if (latency == 0)
1683 		latency = 1;
1684 	if (latency > 99)
1685 		latency = 99;
1686 
1687 	dbg("%s setting NDI device latency to %d", __func__, latency);
1688 	dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1689 
1690 	/* FIXME: errors are not returned */
1691 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1692 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1693 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1694 				latency, 0, NULL, 0, WDR_TIMEOUT);
1695 	return 0;
1696 }
1697 
1698 /*
1699  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1700  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1701  * userspace using openocd.
1702  */
1703 static int ftdi_jtag_probe(struct usb_serial *serial)
1704 {
1705 	struct usb_device *udev = serial->dev;
1706 	struct usb_interface *interface = serial->interface;
1707 
1708 	dbg("%s", __func__);
1709 
1710 	if (interface == udev->actconfig->interface[0]) {
1711 		dev_info(&udev->dev,
1712 			 "Ignoring serial port reserved for JTAG\n");
1713 		return -ENODEV;
1714 	}
1715 
1716 	return 0;
1717 }
1718 
1719 /*
1720  * First and second port on STMCLiteadaptors is reserved for JTAG interface
1721  * and the forth port for pio
1722  */
1723 static int ftdi_stmclite_probe(struct usb_serial *serial)
1724 {
1725 	struct usb_device *udev = serial->dev;
1726 	struct usb_interface *interface = serial->interface;
1727 
1728 	dbg("%s", __func__);
1729 
1730 	if (interface == udev->actconfig->interface[2])
1731 		return 0;
1732 
1733 	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1734 
1735 	return -ENODEV;
1736 }
1737 
1738 /*
1739  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1740  * We have to correct it if we want to read from it.
1741  */
1742 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1743 {
1744 	struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1745 	struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1746 
1747 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1748 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1749 		dev_info(&serial->dev->dev,
1750 			 "Fixing invalid wMaxPacketSize on read pipe\n");
1751 	}
1752 
1753 	return 0;
1754 }
1755 
1756 static void ftdi_sio_priv_release(struct kref *k)
1757 {
1758 	struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1759 
1760 	kfree(priv);
1761 }
1762 
1763 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1764 {
1765 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1766 
1767 	dbg("%s", __func__);
1768 
1769 	remove_sysfs_attrs(port);
1770 
1771 	kref_put(&priv->kref, ftdi_sio_priv_release);
1772 
1773 	return 0;
1774 }
1775 
1776 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1777 {
1778 	struct usb_device *dev = port->serial->dev;
1779 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1780 	int result;
1781 
1782 	dbg("%s", __func__);
1783 
1784 	/* No error checking for this (will get errors later anyway) */
1785 	/* See ftdi_sio.h for description of what is reset */
1786 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1787 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1788 			FTDI_SIO_RESET_SIO,
1789 			priv->interface, NULL, 0, WDR_TIMEOUT);
1790 
1791 	/* Termios defaults are set by usb_serial_init. We don't change
1792 	   port->tty->termios - this would lose speed settings, etc.
1793 	   This is same behaviour as serial.c/rs_open() - Kuba */
1794 
1795 	/* ftdi_set_termios  will send usb control messages */
1796 	if (tty)
1797 		ftdi_set_termios(tty, port, tty->termios);
1798 
1799 	/* Start reading from the device */
1800 	result = usb_serial_generic_open(tty, port);
1801 	if (!result)
1802 		kref_get(&priv->kref);
1803 
1804 	return result;
1805 }
1806 
1807 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1808 {
1809 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1810 
1811 	mutex_lock(&port->serial->disc_mutex);
1812 	if (!port->serial->disconnected) {
1813 		/* Disable flow control */
1814 		if (!on && usb_control_msg(port->serial->dev,
1815 			    usb_sndctrlpipe(port->serial->dev, 0),
1816 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1817 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1818 			    0, priv->interface, NULL, 0,
1819 			    WDR_TIMEOUT) < 0) {
1820 			    dev_err(&port->dev, "error from flowcontrol urb\n");
1821 		}
1822 		/* drop RTS and DTR */
1823 		if (on)
1824 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1825 		else
1826 			clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1827 	}
1828 	mutex_unlock(&port->serial->disc_mutex);
1829 }
1830 
1831 /*
1832  * usbserial:__serial_close  only calls ftdi_close if the point is open
1833  *
1834  *   This only gets called when it is the last close
1835  */
1836 static void ftdi_close(struct usb_serial_port *port)
1837 {
1838 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1839 
1840 	dbg("%s", __func__);
1841 
1842 	usb_serial_generic_close(port);
1843 	kref_put(&priv->kref, ftdi_sio_priv_release);
1844 }
1845 
1846 /* The SIO requires the first byte to have:
1847  *  B0 1
1848  *  B1 0
1849  *  B2..7 length of message excluding byte 0
1850  *
1851  * The new devices do not require this byte
1852  */
1853 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1854 						void *dest, size_t size)
1855 {
1856 	struct ftdi_private *priv;
1857 	int count;
1858 	unsigned long flags;
1859 
1860 	priv = usb_get_serial_port_data(port);
1861 
1862 	if (priv->chip_type == SIO) {
1863 		unsigned char *buffer = dest;
1864 		int i, len, c;
1865 
1866 		count = 0;
1867 		spin_lock_irqsave(&port->lock, flags);
1868 		for (i = 0; i < size - 1; i += priv->max_packet_size) {
1869 			len = min_t(int, size - i, priv->max_packet_size) - 1;
1870 			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1871 			if (!c)
1872 				break;
1873 			buffer[i] = (c << 2) + 1;
1874 			count += c + 1;
1875 		}
1876 		spin_unlock_irqrestore(&port->lock, flags);
1877 	} else {
1878 		count = kfifo_out_locked(&port->write_fifo, dest, size,
1879 								&port->lock);
1880 	}
1881 
1882 	return count;
1883 }
1884 
1885 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1886 
1887 static int ftdi_process_packet(struct tty_struct *tty,
1888 		struct usb_serial_port *port, struct ftdi_private *priv,
1889 		char *packet, int len)
1890 {
1891 	int i;
1892 	char status;
1893 	char flag;
1894 	char *ch;
1895 
1896 	dbg("%s - port %d", __func__, port->number);
1897 
1898 	if (len < 2) {
1899 		dbg("malformed packet");
1900 		return 0;
1901 	}
1902 
1903 	/* Compare new line status to the old one, signal if different/
1904 	   N.B. packet may be processed more than once, but differences
1905 	   are only processed once.  */
1906 	status = packet[0] & FTDI_STATUS_B0_MASK;
1907 	if (status != priv->prev_status) {
1908 		priv->diff_status |= status ^ priv->prev_status;
1909 		wake_up_interruptible(&priv->delta_msr_wait);
1910 		priv->prev_status = status;
1911 	}
1912 
1913 	flag = TTY_NORMAL;
1914 	if (packet[1] & FTDI_RS_ERR_MASK) {
1915 		/* Break takes precedence over parity, which takes precedence
1916 		 * over framing errors */
1917 		if (packet[1] & FTDI_RS_BI) {
1918 			flag = TTY_BREAK;
1919 			usb_serial_handle_break(port);
1920 		} else if (packet[1] & FTDI_RS_PE) {
1921 			flag = TTY_PARITY;
1922 		} else if (packet[1] & FTDI_RS_FE) {
1923 			flag = TTY_FRAME;
1924 		}
1925 		/* Overrun is special, not associated with a char */
1926 		if (packet[1] & FTDI_RS_OE)
1927 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
1928 	}
1929 
1930 	/* save if the transmitter is empty or not */
1931 	if (packet[1] & FTDI_RS_TEMT)
1932 		priv->transmit_empty = 1;
1933 	else
1934 		priv->transmit_empty = 0;
1935 
1936 	len -= 2;
1937 	if (!len)
1938 		return 0;	/* status only */
1939 	ch = packet + 2;
1940 
1941 	if (port->port.console && port->sysrq) {
1942 		for (i = 0; i < len; i++, ch++) {
1943 			if (!usb_serial_handle_sysrq_char(port, *ch))
1944 				tty_insert_flip_char(tty, *ch, flag);
1945 		}
1946 	} else {
1947 		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
1948 	}
1949 
1950 	return len;
1951 }
1952 
1953 static void ftdi_process_read_urb(struct urb *urb)
1954 {
1955 	struct usb_serial_port *port = urb->context;
1956 	struct tty_struct *tty;
1957 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1958 	char *data = (char *)urb->transfer_buffer;
1959 	int i;
1960 	int len;
1961 	int count = 0;
1962 
1963 	tty = tty_port_tty_get(&port->port);
1964 	if (!tty)
1965 		return;
1966 
1967 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
1968 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
1969 		count += ftdi_process_packet(tty, port, priv, &data[i], len);
1970 	}
1971 
1972 	if (count)
1973 		tty_flip_buffer_push(tty);
1974 	tty_kref_put(tty);
1975 }
1976 
1977 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
1978 {
1979 	struct usb_serial_port *port = tty->driver_data;
1980 	struct ftdi_private *priv = usb_get_serial_port_data(port);
1981 	__u16 urb_value;
1982 
1983 	/* break_state = -1 to turn on break, and 0 to turn off break */
1984 	/* see drivers/char/tty_io.c to see it used */
1985 	/* last_set_data_urb_value NEVER has the break bit set in it */
1986 
1987 	if (break_state)
1988 		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
1989 	else
1990 		urb_value = priv->last_set_data_urb_value;
1991 
1992 	if (usb_control_msg(port->serial->dev,
1993 			usb_sndctrlpipe(port->serial->dev, 0),
1994 			FTDI_SIO_SET_DATA_REQUEST,
1995 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
1996 			urb_value , priv->interface,
1997 			NULL, 0, WDR_TIMEOUT) < 0) {
1998 		dev_err(&port->dev, "%s FAILED to enable/disable break state "
1999 			"(state was %d)\n", __func__, break_state);
2000 	}
2001 
2002 	dbg("%s break state is %d - urb is %d", __func__,
2003 						break_state, urb_value);
2004 
2005 }
2006 
2007 /* old_termios contains the original termios settings and tty->termios contains
2008  * the new setting to be used
2009  * WARNING: set_termios calls this with old_termios in kernel space
2010  */
2011 static void ftdi_set_termios(struct tty_struct *tty,
2012 		struct usb_serial_port *port, struct ktermios *old_termios)
2013 {
2014 	struct usb_device *dev = port->serial->dev;
2015 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2016 	struct ktermios *termios = tty->termios;
2017 	unsigned int cflag = termios->c_cflag;
2018 	__u16 urb_value; /* will hold the new flags */
2019 
2020 	/* Added for xon/xoff support */
2021 	unsigned int iflag = termios->c_iflag;
2022 	unsigned char vstop;
2023 	unsigned char vstart;
2024 
2025 	dbg("%s", __func__);
2026 
2027 	/* Force baud rate if this device requires it, unless it is set to
2028 	   B0. */
2029 	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2030 		dbg("%s: forcing baud rate for this device", __func__);
2031 		tty_encode_baud_rate(tty, priv->force_baud,
2032 					priv->force_baud);
2033 	}
2034 
2035 	/* Force RTS-CTS if this device requires it. */
2036 	if (priv->force_rtscts) {
2037 		dbg("%s: forcing rtscts for this device", __func__);
2038 		termios->c_cflag |= CRTSCTS;
2039 	}
2040 
2041 	cflag = termios->c_cflag;
2042 
2043 	/* FIXME -For this cut I don't care if the line is really changing or
2044 	   not  - so just do the change regardless  - should be able to
2045 	   compare old_termios and tty->termios */
2046 	/* NOTE These routines can get interrupted by
2047 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2048 	   don't see any problems yet */
2049 
2050 	/* Set number of data bits, parity, stop bits */
2051 
2052 	urb_value = 0;
2053 	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2054 		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2055 	if (cflag & PARENB) {
2056 		if (cflag & CMSPAR)
2057 			urb_value |= cflag & PARODD ?
2058 				     FTDI_SIO_SET_DATA_PARITY_MARK :
2059 				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2060 		else
2061 			urb_value |= cflag & PARODD ?
2062 				     FTDI_SIO_SET_DATA_PARITY_ODD :
2063 				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2064 	} else {
2065 		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2066 	}
2067 	if (cflag & CSIZE) {
2068 		switch (cflag & CSIZE) {
2069 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2070 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2071 		default:
2072 			dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
2073 		}
2074 	}
2075 
2076 	/* This is needed by the break command since it uses the same command
2077 	   - but is or'ed with this value  */
2078 	priv->last_set_data_urb_value = urb_value;
2079 
2080 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2081 			    FTDI_SIO_SET_DATA_REQUEST,
2082 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2083 			    urb_value , priv->interface,
2084 			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2085 		dev_err(&port->dev, "%s FAILED to set "
2086 			"databits/stopbits/parity\n", __func__);
2087 	}
2088 
2089 	/* Now do the baudrate */
2090 	if ((cflag & CBAUD) == B0) {
2091 		/* Disable flow control */
2092 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2093 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2094 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2095 				    0, priv->interface,
2096 				    NULL, 0, WDR_TIMEOUT) < 0) {
2097 			dev_err(&port->dev,
2098 				"%s error from disable flowcontrol urb\n",
2099 				__func__);
2100 		}
2101 		/* Drop RTS and DTR */
2102 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2103 	} else {
2104 		/* set the baudrate determined before */
2105 		mutex_lock(&priv->cfg_lock);
2106 		if (change_speed(tty, port))
2107 			dev_err(&port->dev, "%s urb failed to set baudrate\n",
2108 				__func__);
2109 		mutex_unlock(&priv->cfg_lock);
2110 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2111 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2112 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2113 	}
2114 
2115 	/* Set flow control */
2116 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2117 	if (cflag & CRTSCTS) {
2118 		dbg("%s Setting to CRTSCTS flow control", __func__);
2119 		if (usb_control_msg(dev,
2120 				    usb_sndctrlpipe(dev, 0),
2121 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2122 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2123 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2124 				    NULL, 0, WDR_TIMEOUT) < 0) {
2125 			dev_err(&port->dev,
2126 				"urb failed to set to rts/cts flow control\n");
2127 		}
2128 
2129 	} else {
2130 		/*
2131 		 * Xon/Xoff code
2132 		 *
2133 		 * Check the IXOFF status in the iflag component of the
2134 		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2135 		 * code is executed.
2136 		 */
2137 		if (iflag & IXOFF) {
2138 			dbg("%s  request to enable xonxoff iflag=%04x",
2139 							__func__, iflag);
2140 			/* Try to enable the XON/XOFF on the ftdi_sio
2141 			 * Set the vstart and vstop -- could have been done up
2142 			 * above where a lot of other dereferencing is done but
2143 			 * that would be very inefficient as vstart and vstop
2144 			 * are not always needed.
2145 			 */
2146 			vstart = termios->c_cc[VSTART];
2147 			vstop = termios->c_cc[VSTOP];
2148 			urb_value = (vstop << 8) | (vstart);
2149 
2150 			if (usb_control_msg(dev,
2151 					    usb_sndctrlpipe(dev, 0),
2152 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2153 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2154 					    urb_value , (FTDI_SIO_XON_XOFF_HS
2155 							 | priv->interface),
2156 					    NULL, 0, WDR_TIMEOUT) < 0) {
2157 				dev_err(&port->dev, "urb failed to set to "
2158 					"xon/xoff flow control\n");
2159 			}
2160 		} else {
2161 			/* else clause to only run if cflag ! CRTSCTS and iflag
2162 			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2163 			 * stack - not by device */
2164 			dbg("%s Turning off hardware flow control", __func__);
2165 			if (usb_control_msg(dev,
2166 					    usb_sndctrlpipe(dev, 0),
2167 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2168 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2169 					    0, priv->interface,
2170 					    NULL, 0, WDR_TIMEOUT) < 0) {
2171 				dev_err(&port->dev,
2172 					"urb failed to clear flow control\n");
2173 			}
2174 		}
2175 
2176 	}
2177 }
2178 
2179 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
2180 {
2181 	struct usb_serial_port *port = tty->driver_data;
2182 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2183 	unsigned char *buf;
2184 	int len;
2185 	int ret;
2186 
2187 	dbg("%s TIOCMGET", __func__);
2188 
2189 	buf = kmalloc(2, GFP_KERNEL);
2190 	if (!buf)
2191 		return -ENOMEM;
2192 	/*
2193 	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2194 	 * the same format as the data returned from the in point.
2195 	 */
2196 	switch (priv->chip_type) {
2197 	case SIO:
2198 		len = 1;
2199 		break;
2200 	case FT8U232AM:
2201 	case FT232BM:
2202 	case FT2232C:
2203 	case FT232RL:
2204 	case FT2232H:
2205 	case FT4232H:
2206 		len = 2;
2207 		break;
2208 	default:
2209 		ret = -EFAULT;
2210 		goto out;
2211 	}
2212 
2213 	ret = usb_control_msg(port->serial->dev,
2214 			usb_rcvctrlpipe(port->serial->dev, 0),
2215 			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2216 			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2217 			0, priv->interface,
2218 			buf, len, WDR_TIMEOUT);
2219 	if (ret < 0)
2220 		goto out;
2221 
2222 	ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2223 		(buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2224 		(buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
2225 		(buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2226 		priv->last_dtr_rts;
2227 out:
2228 	kfree(buf);
2229 	return ret;
2230 }
2231 
2232 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
2233 			unsigned int set, unsigned int clear)
2234 {
2235 	struct usb_serial_port *port = tty->driver_data;
2236 	dbg("%s TIOCMSET", __func__);
2237 	return update_mctrl(port, set, clear);
2238 }
2239 
2240 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
2241 					unsigned int cmd, unsigned long arg)
2242 {
2243 	struct usb_serial_port *port = tty->driver_data;
2244 	struct ftdi_private *priv = usb_get_serial_port_data(port);
2245 
2246 	dbg("%s cmd 0x%04x", __func__, cmd);
2247 
2248 	/* Based on code from acm.c and others */
2249 	switch (cmd) {
2250 
2251 	case TIOCGSERIAL: /* gets serial port data */
2252 		return get_serial_info(port,
2253 					(struct serial_struct __user *) arg);
2254 
2255 	case TIOCSSERIAL: /* sets serial port data */
2256 		return set_serial_info(tty, port,
2257 					(struct serial_struct __user *) arg);
2258 
2259 	/*
2260 	 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2261 	 * - mask passed in arg for lines of interest
2262 	 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2263 	 * Caller should use TIOCGICOUNT to see which one it was.
2264 	 * (except that the driver doesn't support it !)
2265 	 *
2266 	 * This code is borrowed from linux/drivers/char/serial.c
2267 	 */
2268 	case TIOCMIWAIT:
2269 		while (priv != NULL) {
2270 			interruptible_sleep_on(&priv->delta_msr_wait);
2271 			/* see if a signal did it */
2272 			if (signal_pending(current))
2273 				return -ERESTARTSYS;
2274 			else {
2275 				char diff = priv->diff_status;
2276 
2277 				if (diff == 0)
2278 					return -EIO; /* no change => error */
2279 
2280 				/* Consume all events */
2281 				priv->diff_status = 0;
2282 
2283 				/* Return 0 if caller wanted to know about
2284 				   these bits */
2285 				if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2286 				    ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2287 				    ((arg & TIOCM_CD)  && (diff & FTDI_RS0_RLSD)) ||
2288 				    ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2289 					return 0;
2290 				}
2291 				/*
2292 				 * Otherwise caller can't care less about what
2293 				 * happened,and so we continue to wait for more
2294 				 * events.
2295 				 */
2296 			}
2297 		}
2298 		return 0;
2299 	case TIOCSERGETLSR:
2300 		return get_lsr_info(port, (struct serial_struct __user *)arg);
2301 		break;
2302 	default:
2303 		break;
2304 	}
2305 	/* This is not necessarily an error - turns out the higher layers
2306 	 * will do some ioctls themselves (see comment above)
2307 	 */
2308 	dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2309 	return -ENOIOCTLCMD;
2310 }
2311 
2312 static int __init ftdi_init(void)
2313 {
2314 	int retval;
2315 
2316 	dbg("%s", __func__);
2317 	if (vendor > 0 && product > 0) {
2318 		/* Add user specified VID/PID to reserved element of table. */
2319 		int i;
2320 		for (i = 0; id_table_combined[i].idVendor; i++)
2321 			;
2322 		id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2323 		id_table_combined[i].idVendor = vendor;
2324 		id_table_combined[i].idProduct = product;
2325 	}
2326 	retval = usb_serial_register(&ftdi_sio_device);
2327 	if (retval)
2328 		goto failed_sio_register;
2329 	retval = usb_register(&ftdi_driver);
2330 	if (retval)
2331 		goto failed_usb_register;
2332 
2333 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2334 	       DRIVER_DESC "\n");
2335 	return 0;
2336 failed_usb_register:
2337 	usb_serial_deregister(&ftdi_sio_device);
2338 failed_sio_register:
2339 	return retval;
2340 }
2341 
2342 static void __exit ftdi_exit(void)
2343 {
2344 	dbg("%s", __func__);
2345 
2346 	usb_deregister(&ftdi_driver);
2347 	usb_serial_deregister(&ftdi_sio_device);
2348 }
2349 
2350 
2351 module_init(ftdi_init);
2352 module_exit(ftdi_exit);
2353 
2354 MODULE_AUTHOR(DRIVER_AUTHOR);
2355 MODULE_DESCRIPTION(DRIVER_DESC);
2356 MODULE_LICENSE("GPL");
2357 
2358 module_param(debug, bool, S_IRUGO | S_IWUSR);
2359 MODULE_PARM_DESC(debug, "Debug enabled or not");
2360 module_param(vendor, ushort, 0);
2361 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2362 		__MODULE_STRING(FTDI_VID)")");
2363 module_param(product, ushort, 0);
2364 MODULE_PARM_DESC(product, "User specified product ID");
2365 
2366 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2367 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2368