1/*
2 * USB FTDI SIO driver
3 *
4 *	Copyright (C) 2009 - 2013
5 *	    Johan Hovold (jhovold@gmail.com)
6 *	Copyright (C) 1999 - 2001
7 *	    Greg Kroah-Hartman (greg@kroah.com)
8 *          Bill Ryder (bryder@sgi.com)
9 *	Copyright (C) 2002
10 *	    Kuba Ober (kuba@mareimbrium.org)
11 *
12 *	This program is free software; you can redistribute it and/or modify
13 *	it under the terms of the GNU General Public License as published by
14 *	the Free Software Foundation; either version 2 of the License, or
15 *	(at your option) any later version.
16 *
17 * See Documentation/usb/usb-serial.txt for more information on using this
18 * driver
19 *
20 * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
21 *	and extra documentation
22 *
23 * Change entries from 2004 and earlier can be found in versions of this
24 * file in kernel versions prior to the 2.6.24 release.
25 *
26 */
27
28/* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
29/* Thanx to FTDI for so kindly providing details of the protocol required */
30/*   to talk to the device */
31/* Thanx to gkh and the rest of the usb dev group for all code I have
32   assimilated :-) */
33
34#include <linux/kernel.h>
35#include <linux/errno.h>
36#include <linux/slab.h>
37#include <linux/tty.h>
38#include <linux/tty_driver.h>
39#include <linux/tty_flip.h>
40#include <linux/module.h>
41#include <linux/spinlock.h>
42#include <linux/mutex.h>
43#include <linux/uaccess.h>
44#include <linux/usb.h>
45#include <linux/serial.h>
46#include <linux/usb/serial.h>
47#include "ftdi_sio.h"
48#include "ftdi_sio_ids.h"
49
50#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>"
51#define DRIVER_DESC "USB FTDI Serial Converters Driver"
52
53
54struct ftdi_private {
55	enum ftdi_chip_type chip_type;
56				/* type of device, either SIO or FT8U232AM */
57	int baud_base;		/* baud base clock for divisor setting */
58	int custom_divisor;	/* custom_divisor kludge, this is for
59				   baud_base (different from what goes to the
60				   chip!) */
61	__u16 last_set_data_urb_value ;
62				/* the last data state set - needed for doing
63				 * a break
64				 */
65	int flags;		/* some ASYNC_xxxx flags are supported */
66	unsigned long last_dtr_rts;	/* saved modem control outputs */
67	char prev_status;        /* Used for TIOCMIWAIT */
68	char transmit_empty;	/* If transmitter is empty or not */
69	__u16 interface;	/* FT2232C, FT2232H or FT4232H port interface
70				   (0 for FT232/245) */
71
72	speed_t force_baud;	/* if non-zero, force the baud rate to
73				   this value */
74	int force_rtscts;	/* if non-zero, force RTS-CTS to always
75				   be enabled */
76
77	unsigned int latency;		/* latency setting in use */
78	unsigned short max_packet_size;
79	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
80};
81
82/* struct ftdi_sio_quirk is used by devices requiring special attention. */
83struct ftdi_sio_quirk {
84	int (*probe)(struct usb_serial *);
85	/* Special settings for probed ports. */
86	void (*port_probe)(struct ftdi_private *);
87};
88
89static int   ftdi_jtag_probe(struct usb_serial *serial);
90static int   ftdi_NDI_device_setup(struct usb_serial *serial);
91static int   ftdi_stmclite_probe(struct usb_serial *serial);
92static int   ftdi_8u2232c_probe(struct usb_serial *serial);
93static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
94static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
95
96static struct ftdi_sio_quirk ftdi_jtag_quirk = {
97	.probe	= ftdi_jtag_probe,
98};
99
100static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
101	.probe	= ftdi_NDI_device_setup,
102};
103
104static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
105	.port_probe = ftdi_USB_UIRT_setup,
106};
107
108static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
109	.port_probe = ftdi_HE_TIRA1_setup,
110};
111
112static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
113	.probe	= ftdi_stmclite_probe,
114};
115
116static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
117	.probe	= ftdi_8u2232c_probe,
118};
119
120/*
121 * The 8U232AM has the same API as the sio except for:
122 * - it can support MUCH higher baudrates; up to:
123 *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
124 *   o 230400 at 12MHz
125 *   so .. 8U232AM's baudrate setting codes are different
126 * - it has a two byte status code.
127 * - it returns characters every 16ms (the FTDI does it every 40ms)
128 *
129 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
130 * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
131 * combinations in both tables.
132 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
133 * but I don't know if those ever went into mass production. [Ian Abbott]
134 */
135
136
137
138/*
139 * Device ID not listed? Test it using
140 * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
141 */
142static const struct usb_device_id id_table_combined[] = {
143	{ USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
144	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
145	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
146	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
147	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
148	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
149	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
150	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
151	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
152	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
153	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
154	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
155	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
156	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
157	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
158	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
159	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
160	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
161	{ USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
162	{ USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
163	{ USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
164	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
165	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
166	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
167	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
168	{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
169	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
170	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
171	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
172	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
173	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
174		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
175	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
176	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
177	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
178	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
179	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
180	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
181	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
182	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
183	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
184	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
185	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
186	{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
187	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
188	{ USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
189	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
190	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
191	{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
192	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
193	{ USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
194	{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
195	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
196	{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
197	{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
198	{ USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
199	{ USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
200	{ USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
201	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
202	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
203	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
204	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
205	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
206	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
207	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
208	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
209	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
210	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
211	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
212	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
213	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
214	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
215	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
216	{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
217	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
218	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
219	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
220	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
221	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
222	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
223	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
224	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
225	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
226	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
227	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
228	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
229	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
230	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
231	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
232	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
233	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
234	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
235	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
236	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
237	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
238	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
239	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
240	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
241	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
242	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
243	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
244	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
245	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
246	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
247	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
248	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
249	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
250	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
251	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
252	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
253	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
254	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
255	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
256	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
257	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
258	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
259	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
260	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
261	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
262	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
263	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
264	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
265	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
266	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
267	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
268	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
269	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
270	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
271	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
272	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
273	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
274	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
275	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
276	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
277	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
278	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
279	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
280	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
281	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
282	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
283	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
284	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
285	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
286	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
287	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
288	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
289	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
290	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
291	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
292	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
293	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
294	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
295	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
296	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
297	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
298	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
299	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
300	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
301	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
302	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
303	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
304	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
305	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
306	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
307	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
308	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
309	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
310	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
311	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
312	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
313	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
314	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
315	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
316	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
317	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
318	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
319	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
320	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
321	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
322	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
323	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
324	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
325	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
326	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
327	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
328	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
329	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
330	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
331	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
332	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
333	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
334	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
335	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
336	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
337	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
338	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
339	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
340	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
341	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
342	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
343	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
344	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
345	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
346	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
347	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
348	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
349	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
350	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
351	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
352	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
353	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
354	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
355	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
356	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
357	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
358	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
359	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
360	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
361	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
362	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
363	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
364	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
365	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
366	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
367	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
368	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
369	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
370	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
371	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
372	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
373	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
374	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
375	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
376	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
377	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
378	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
379	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
380	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
381	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
382	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
383	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
384	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
385	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
386	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
387	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
388	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
389	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
390	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
391	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
392	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
393	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
394	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
395	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
396	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
397	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
398	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
399	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
400	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
401	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
402	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
403	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
404	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
405	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
406	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
407	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
408	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
409	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
410	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
411	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
412	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
413	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
414	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
415	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
416	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
417	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
418	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
419	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
420	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
421	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
422	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
423	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
424	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
425	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
426	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
427	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
428	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
429	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
430	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
431	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
432	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
433	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
434	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
435	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
436	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
437	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
438	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
439	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
440	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
441	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
442	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
443	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
444	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
445	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
446	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
447	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
448	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
449	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
450	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
451	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
452	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
453	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
454	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
455	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
456	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
457	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
458	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
459	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
460	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
461	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
462	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
463	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
464	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
465	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
466	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
467	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
468	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
469	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
470	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
471	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
472	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
473	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
474	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
475	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
476	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
477	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
478	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
479	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
480	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
481	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
482	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
483	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
484	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
485	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
486	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
487	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
488	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
489	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
490	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
491	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
492	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
493	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
494	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
495	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
496	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
497	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
498	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
499	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
500	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
501	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
502	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
503	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
504	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
505	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
506	{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
507	{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
508	{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
509	{ USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
510	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
511	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
512	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
513	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
514	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
515	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
516	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
517	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
518	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
519	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
520	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
521	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
522	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
523	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
524	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
525	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
526	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
527	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
528	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
529	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
530	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
531	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
532	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
533	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
534	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
535	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
536	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
537	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
538	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
539	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
540	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
541	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
542	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
543	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
544	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
545	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
546	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
547	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
548	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
549	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
550	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
551	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
552	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
553	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
554	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
555	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
556	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
557	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
558	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
559	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
560	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
561	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
562	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
563	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
564	{ USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
565		.driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
566	{ USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
567		.driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
568	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
569	{ USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
570	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
571	{ USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
572	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
573	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
574	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
575	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
576	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
577	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
578	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
579	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
580	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
581	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
582	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
583	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
584	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
585	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
586	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
587	{ USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
588	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
589	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
590	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
591	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
592	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
593	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
594	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
595	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
596	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
597	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
598	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
599	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
600	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
601	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
602	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
603	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
604		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
605	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
606		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
607	{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
608	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
609	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
610	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
611	{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
612	/*
613	 * ELV devices:
614	 */
615	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
616	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
617	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
618	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
619	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
620	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
621	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
622	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
623	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
624	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
625	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
626	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
627	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
628	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
629	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
630	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
631	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
632	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
633	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
634	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
635	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
636	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
637	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
638	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
639	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
640	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
641	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
642	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
643	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
644	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
645	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
646	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
647	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
648	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
649	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
650	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
651	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
652	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
653	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
654	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
655	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
656	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
657	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
658	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
659	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
660	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
661	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
662	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
663	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
664	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
665	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
666	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
667	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
668	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
669	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
670	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
671	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
672	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
673	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
674	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
675	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
676	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
677	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
678	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
679	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
680	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
681	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
682	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
683	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
684	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
685	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
686	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
687	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
688	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
689	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
690	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
691	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
692	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
693	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
694	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
695	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
696	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
697	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
698	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
699	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
700	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
701	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
702	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
703	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
704	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
705	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
706	{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
707	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
708	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
709	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
710	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
711	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
712	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
713	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
714	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
715	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
716	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
717	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
718	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
719	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
720	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
721	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
722	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
723	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
724	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
725	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
726	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
727	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
728	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
729	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
730	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
731	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
732	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
733	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
734	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
735	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
736	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
737	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
738	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
739	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
740	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
741	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
742	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
743	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
744	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
745	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
746	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
747	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
748	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
749	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
750	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
751	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
752	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
753	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
754	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
755	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
756	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
757	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
758	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
759	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
760	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
761	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
762	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
763		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
764	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
765		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
766	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
767		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
768	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
769		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
770	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
771		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
772	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
773	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
774	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
775	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
776	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
777	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
778	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
779	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
780	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
781	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
782	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
783	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
784	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
785	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
786	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
787	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
788	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
789	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
790	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
791	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
792	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
793	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
794	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
795	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
796	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
797	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
798	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
799	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
800	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
801	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
802	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
803	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
804	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
805	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
806	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
807	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
808	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
809		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
810	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
811		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
812	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
813		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
814	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
815		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
816	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
817		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
818	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
819		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
820	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
821		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
822	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
823		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
824	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
825		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
826	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
827	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
828	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
829
830	/* Papouch devices based on FTDI chip */
831	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
832	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
833	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
834	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
835	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
836	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
837	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
838	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
839	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
840	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
841	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
842	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
843	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
844	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
845	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
846	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
847	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
848	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
849	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
850	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
851	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
852	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
853	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
854	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
855	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
856	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
857	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
858	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
859
860	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
861	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
862	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
863	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
864	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
865	{ USB_DEVICE(DE_VID, STB_PID) },
866	{ USB_DEVICE(DE_VID, WHT_PID) },
867	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
868		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
869	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
870		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
871	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
872					USB_CLASS_VENDOR_SPEC,
873					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
874	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
875	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
876		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
877	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
878	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
879	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
880	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
881	{ USB_DEVICE(PI_VID, PI_C866_PID) },
882	{ USB_DEVICE(PI_VID, PI_C663_PID) },
883	{ USB_DEVICE(PI_VID, PI_C725_PID) },
884	{ USB_DEVICE(PI_VID, PI_E517_PID) },
885	{ USB_DEVICE(PI_VID, PI_C863_PID) },
886	{ USB_DEVICE(PI_VID, PI_E861_PID) },
887	{ USB_DEVICE(PI_VID, PI_C867_PID) },
888	{ USB_DEVICE(PI_VID, PI_E609_PID) },
889	{ USB_DEVICE(PI_VID, PI_E709_PID) },
890	{ USB_DEVICE(PI_VID, PI_100F_PID) },
891	{ USB_DEVICE(PI_VID, PI_1011_PID) },
892	{ USB_DEVICE(PI_VID, PI_1012_PID) },
893	{ USB_DEVICE(PI_VID, PI_1013_PID) },
894	{ USB_DEVICE(PI_VID, PI_1014_PID) },
895	{ USB_DEVICE(PI_VID, PI_1015_PID) },
896	{ USB_DEVICE(PI_VID, PI_1016_PID) },
897	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
898	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
899	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
900		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
901	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
902		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
903	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
904	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
905	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
906	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
907	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
908	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
909	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
910	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
911	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
912		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
913	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
914		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
915	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
916		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
917	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
918		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
919	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
920	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
921	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
922		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
923	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
924	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
925	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
926	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
927	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
928	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
929	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
930	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
931	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
932	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
933	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
934	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
935	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
936	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
937		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
938	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
939		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
940	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
941		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
942	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
943	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
944		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
945	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
946	/* Crucible Devices */
947	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
948	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
949	/* Cressi Devices */
950	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
951	/* Brainboxes Devices */
952	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
953	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
954	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
955	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
956	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
957	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
958	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
959	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
960	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
961	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
962	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
963	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
964	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
965	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
966	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
967	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
968	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
969	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
970	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
971	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
972	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
973	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
974	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
975	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
976	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
977	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
978	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
979	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
980	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
981	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
982	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
983	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
984	/* ekey Devices */
985	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
986	/* Infineon Devices */
987	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
988	/* GE Healthcare devices */
989	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
990	/* Active Research (Actisense) devices */
991	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
992	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
993	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
994	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
995	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
996	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
997	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
998	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
999	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1000	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1001	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1002	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1003	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1004	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1005	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1006	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1007	/* ICP DAS I-756xU devices */
1008	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1009	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1010	{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1011	{ }					/* Terminating entry */
1012};
1013
1014MODULE_DEVICE_TABLE(usb, id_table_combined);
1015
1016static const char *ftdi_chip_name[] = {
1017	[SIO] = "SIO",	/* the serial part of FT8U100AX */
1018	[FT8U232AM] = "FT8U232AM",
1019	[FT232BM] = "FT232BM",
1020	[FT2232C] = "FT2232C",
1021	[FT232RL] = "FT232RL",
1022	[FT2232H] = "FT2232H",
1023	[FT4232H] = "FT4232H",
1024	[FT232H]  = "FT232H",
1025	[FTX]     = "FT-X"
1026};
1027
1028
1029/* Used for TIOCMIWAIT */
1030#define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1031#define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1032/* End TIOCMIWAIT */
1033
1034/* function prototypes for a FTDI serial converter */
1035static int  ftdi_sio_probe(struct usb_serial *serial,
1036					const struct usb_device_id *id);
1037static int  ftdi_sio_port_probe(struct usb_serial_port *port);
1038static int  ftdi_sio_port_remove(struct usb_serial_port *port);
1039static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
1040static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
1041static void ftdi_process_read_urb(struct urb *urb);
1042static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1043						void *dest, size_t size);
1044static void ftdi_set_termios(struct tty_struct *tty,
1045			struct usb_serial_port *port, struct ktermios *old);
1046static int  ftdi_tiocmget(struct tty_struct *tty);
1047static int  ftdi_tiocmset(struct tty_struct *tty,
1048			unsigned int set, unsigned int clear);
1049static int  ftdi_ioctl(struct tty_struct *tty,
1050			unsigned int cmd, unsigned long arg);
1051static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1052static bool ftdi_tx_empty(struct usb_serial_port *port);
1053static int ftdi_get_modem_status(struct usb_serial_port *port,
1054						unsigned char status[2]);
1055
1056static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1057static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1058static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1059static __u32 ftdi_232bm_baud_to_divisor(int baud);
1060static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1061static __u32 ftdi_2232h_baud_to_divisor(int baud);
1062
1063static struct usb_serial_driver ftdi_sio_device = {
1064	.driver = {
1065		.owner =	THIS_MODULE,
1066		.name =		"ftdi_sio",
1067	},
1068	.description =		"FTDI USB Serial Device",
1069	.id_table =		id_table_combined,
1070	.num_ports =		1,
1071	.bulk_in_size =		512,
1072	.bulk_out_size =	256,
1073	.probe =		ftdi_sio_probe,
1074	.port_probe =		ftdi_sio_port_probe,
1075	.port_remove =		ftdi_sio_port_remove,
1076	.open =			ftdi_open,
1077	.dtr_rts =		ftdi_dtr_rts,
1078	.throttle =		usb_serial_generic_throttle,
1079	.unthrottle =		usb_serial_generic_unthrottle,
1080	.process_read_urb =	ftdi_process_read_urb,
1081	.prepare_write_buffer =	ftdi_prepare_write_buffer,
1082	.tiocmget =		ftdi_tiocmget,
1083	.tiocmset =		ftdi_tiocmset,
1084	.tiocmiwait =		usb_serial_generic_tiocmiwait,
1085	.get_icount =           usb_serial_generic_get_icount,
1086	.ioctl =		ftdi_ioctl,
1087	.set_termios =		ftdi_set_termios,
1088	.break_ctl =		ftdi_break_ctl,
1089	.tx_empty =		ftdi_tx_empty,
1090};
1091
1092static struct usb_serial_driver * const serial_drivers[] = {
1093	&ftdi_sio_device, NULL
1094};
1095
1096
1097#define WDR_TIMEOUT 5000 /* default urb timeout */
1098#define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1099
1100/*
1101 * ***************************************************************************
1102 * Utility functions
1103 * ***************************************************************************
1104 */
1105
1106static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1107{
1108	unsigned short int divisor;
1109	/* divisor shifted 3 bits to the left */
1110	int divisor3 = base / 2 / baud;
1111	if ((divisor3 & 0x7) == 7)
1112		divisor3++; /* round x.7/8 up to x+1 */
1113	divisor = divisor3 >> 3;
1114	divisor3 &= 0x7;
1115	if (divisor3 == 1)
1116		divisor |= 0xc000;
1117	else if (divisor3 >= 4)
1118		divisor |= 0x4000;
1119	else if (divisor3 != 0)
1120		divisor |= 0x8000;
1121	else if (divisor == 1)
1122		divisor = 0;	/* special case for maximum baud rate */
1123	return divisor;
1124}
1125
1126static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1127{
1128	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1129}
1130
1131static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1132{
1133	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1134	__u32 divisor;
1135	/* divisor shifted 3 bits to the left */
1136	int divisor3 = base / 2 / baud;
1137	divisor = divisor3 >> 3;
1138	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1139	/* Deal with special cases for highest baud rates. */
1140	if (divisor == 1)
1141		divisor = 0;
1142	else if (divisor == 0x4001)
1143		divisor = 1;
1144	return divisor;
1145}
1146
1147static __u32 ftdi_232bm_baud_to_divisor(int baud)
1148{
1149	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1150}
1151
1152static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1153{
1154	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1155	__u32 divisor;
1156	int divisor3;
1157
1158	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1159	divisor3 = base * 8 / (baud * 10);
1160
1161	divisor = divisor3 >> 3;
1162	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1163	/* Deal with special cases for highest baud rates. */
1164	if (divisor == 1)
1165		divisor = 0;
1166	else if (divisor == 0x4001)
1167		divisor = 1;
1168	/*
1169	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1170	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1171	 * baud with this bit set
1172	 */
1173	divisor |= 0x00020000;
1174	return divisor;
1175}
1176
1177static __u32 ftdi_2232h_baud_to_divisor(int baud)
1178{
1179	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1180}
1181
1182#define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1183#define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1184
1185static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1186							unsigned int clear)
1187{
1188	struct ftdi_private *priv = usb_get_serial_port_data(port);
1189	struct device *dev = &port->dev;
1190	unsigned urb_value;
1191	int rv;
1192
1193	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1194		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1195		return 0;	/* no change */
1196	}
1197
1198	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1199	urb_value = 0;
1200	if (clear & TIOCM_DTR)
1201		urb_value |= FTDI_SIO_SET_DTR_LOW;
1202	if (clear & TIOCM_RTS)
1203		urb_value |= FTDI_SIO_SET_RTS_LOW;
1204	if (set & TIOCM_DTR)
1205		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1206	if (set & TIOCM_RTS)
1207		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1208	rv = usb_control_msg(port->serial->dev,
1209			       usb_sndctrlpipe(port->serial->dev, 0),
1210			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1211			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1212			       urb_value, priv->interface,
1213			       NULL, 0, WDR_TIMEOUT);
1214	if (rv < 0) {
1215		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1216			__func__,
1217			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1218			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1219		rv = usb_translate_errors(rv);
1220	} else {
1221		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1222			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1223			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1224		/* FIXME: locking on last_dtr_rts */
1225		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1226	}
1227	return rv;
1228}
1229
1230
1231static __u32 get_ftdi_divisor(struct tty_struct *tty,
1232						struct usb_serial_port *port)
1233{
1234	struct ftdi_private *priv = usb_get_serial_port_data(port);
1235	struct device *dev = &port->dev;
1236	__u32 div_value = 0;
1237	int div_okay = 1;
1238	int baud;
1239
1240	/*
1241	 * The logic involved in setting the baudrate can be cleanly split into
1242	 * 3 steps.
1243	 * 1. Standard baud rates are set in tty->termios->c_cflag
1244	 * 2. If these are not enough, you can set any speed using alt_speed as
1245	 * follows:
1246	 *    - set tty->termios->c_cflag speed to B38400
1247	 *    - set your real speed in tty->alt_speed; it gets ignored when
1248	 *      alt_speed==0, (or)
1249	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1250	 *	follows:
1251	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1252	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1253	 *	SHI: 230400, WARP: 460800)
1254	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1255	 * 3. You can also set baud rate by setting custom divisor as follows
1256	 *    - set tty->termios->c_cflag speed to B38400
1257	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1258	 *	follows:
1259	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1260	 *      o custom_divisor set to baud_base / your_new_baudrate
1261	 * ** Step 3 is done courtesy of code borrowed from serial.c
1262	 *    I should really spend some time and separate + move this common
1263	 *    code to serial.c, it is replicated in nearly every serial driver
1264	 *    you see.
1265	 */
1266
1267	/* 1. Get the baud rate from the tty settings, this observes
1268	      alt_speed hack */
1269
1270	baud = tty_get_baud_rate(tty);
1271	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1272
1273	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1274	   if needed */
1275
1276	if (baud == 38400 &&
1277	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1278	     (priv->custom_divisor)) {
1279		baud = priv->baud_base / priv->custom_divisor;
1280		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1281			__func__, priv->custom_divisor, baud);
1282	}
1283
1284	/* 3. Convert baudrate to device-specific divisor */
1285
1286	if (!baud)
1287		baud = 9600;
1288	switch (priv->chip_type) {
1289	case SIO: /* SIO chip */
1290		switch (baud) {
1291		case 300: div_value = ftdi_sio_b300; break;
1292		case 600: div_value = ftdi_sio_b600; break;
1293		case 1200: div_value = ftdi_sio_b1200; break;
1294		case 2400: div_value = ftdi_sio_b2400; break;
1295		case 4800: div_value = ftdi_sio_b4800; break;
1296		case 9600: div_value = ftdi_sio_b9600; break;
1297		case 19200: div_value = ftdi_sio_b19200; break;
1298		case 38400: div_value = ftdi_sio_b38400; break;
1299		case 57600: div_value = ftdi_sio_b57600;  break;
1300		case 115200: div_value = ftdi_sio_b115200; break;
1301		} /* baud */
1302		if (div_value == 0) {
1303			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1304				__func__,  baud);
1305			div_value = ftdi_sio_b9600;
1306			baud = 9600;
1307			div_okay = 0;
1308		}
1309		break;
1310	case FT8U232AM: /* 8U232AM chip */
1311		if (baud <= 3000000) {
1312			div_value = ftdi_232am_baud_to_divisor(baud);
1313		} else {
1314			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1315			baud = 9600;
1316			div_value = ftdi_232am_baud_to_divisor(9600);
1317			div_okay = 0;
1318		}
1319		break;
1320	case FT232BM: /* FT232BM chip */
1321	case FT2232C: /* FT2232C chip */
1322	case FT232RL: /* FT232RL chip */
1323	case FTX:     /* FT-X series */
1324		if (baud <= 3000000) {
1325			__u16 product_id = le16_to_cpu(
1326				port->serial->dev->descriptor.idProduct);
1327			if (((FTDI_NDI_HUC_PID == product_id) ||
1328			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1329			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1330			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1331			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1332			    (baud == 19200)) {
1333				baud = 1200000;
1334			}
1335			div_value = ftdi_232bm_baud_to_divisor(baud);
1336		} else {
1337			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1338			div_value = ftdi_232bm_baud_to_divisor(9600);
1339			div_okay = 0;
1340			baud = 9600;
1341		}
1342		break;
1343	case FT2232H: /* FT2232H chip */
1344	case FT4232H: /* FT4232H chip */
1345	case FT232H:  /* FT232H chip */
1346		if ((baud <= 12000000) && (baud >= 1200)) {
1347			div_value = ftdi_2232h_baud_to_divisor(baud);
1348		} else if (baud < 1200) {
1349			div_value = ftdi_232bm_baud_to_divisor(baud);
1350		} else {
1351			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1352			div_value = ftdi_232bm_baud_to_divisor(9600);
1353			div_okay = 0;
1354			baud = 9600;
1355		}
1356		break;
1357	} /* priv->chip_type */
1358
1359	if (div_okay) {
1360		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1361			__func__, baud, (unsigned long)div_value,
1362			ftdi_chip_name[priv->chip_type]);
1363	}
1364
1365	tty_encode_baud_rate(tty, baud, baud);
1366	return div_value;
1367}
1368
1369static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1370{
1371	struct ftdi_private *priv = usb_get_serial_port_data(port);
1372	__u16 urb_value;
1373	__u16 urb_index;
1374	__u32 urb_index_value;
1375	int rv;
1376
1377	urb_index_value = get_ftdi_divisor(tty, port);
1378	urb_value = (__u16)urb_index_value;
1379	urb_index = (__u16)(urb_index_value >> 16);
1380	if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1381		(priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1382		/* Probably the BM type needs the MSB of the encoded fractional
1383		 * divider also moved like for the chips above. Any infos? */
1384		urb_index = (__u16)((urb_index << 8) | priv->interface);
1385	}
1386
1387	rv = usb_control_msg(port->serial->dev,
1388			    usb_sndctrlpipe(port->serial->dev, 0),
1389			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1390			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1391			    urb_value, urb_index,
1392			    NULL, 0, WDR_SHORT_TIMEOUT);
1393	return rv;
1394}
1395
1396static int write_latency_timer(struct usb_serial_port *port)
1397{
1398	struct ftdi_private *priv = usb_get_serial_port_data(port);
1399	struct usb_device *udev = port->serial->dev;
1400	int rv;
1401	int l = priv->latency;
1402
1403	if (priv->flags & ASYNC_LOW_LATENCY)
1404		l = 1;
1405
1406	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1407
1408	rv = usb_control_msg(udev,
1409			     usb_sndctrlpipe(udev, 0),
1410			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1411			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1412			     l, priv->interface,
1413			     NULL, 0, WDR_TIMEOUT);
1414	if (rv < 0)
1415		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1416	return rv;
1417}
1418
1419static int read_latency_timer(struct usb_serial_port *port)
1420{
1421	struct ftdi_private *priv = usb_get_serial_port_data(port);
1422	struct usb_device *udev = port->serial->dev;
1423	unsigned char *buf;
1424	int rv;
1425
1426	buf = kmalloc(1, GFP_KERNEL);
1427	if (!buf)
1428		return -ENOMEM;
1429
1430	rv = usb_control_msg(udev,
1431			     usb_rcvctrlpipe(udev, 0),
1432			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1433			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1434			     0, priv->interface,
1435			     buf, 1, WDR_TIMEOUT);
1436	if (rv < 0)
1437		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1438	else
1439		priv->latency = buf[0];
1440
1441	kfree(buf);
1442
1443	return rv;
1444}
1445
1446static int get_serial_info(struct usb_serial_port *port,
1447				struct serial_struct __user *retinfo)
1448{
1449	struct ftdi_private *priv = usb_get_serial_port_data(port);
1450	struct serial_struct tmp;
1451
1452	if (!retinfo)
1453		return -EFAULT;
1454	memset(&tmp, 0, sizeof(tmp));
1455	tmp.flags = priv->flags;
1456	tmp.baud_base = priv->baud_base;
1457	tmp.custom_divisor = priv->custom_divisor;
1458	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1459		return -EFAULT;
1460	return 0;
1461}
1462
1463static int set_serial_info(struct tty_struct *tty,
1464	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1465{
1466	struct ftdi_private *priv = usb_get_serial_port_data(port);
1467	struct serial_struct new_serial;
1468	struct ftdi_private old_priv;
1469
1470	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1471		return -EFAULT;
1472
1473	mutex_lock(&priv->cfg_lock);
1474	old_priv = *priv;
1475
1476	/* Do error checking and permission checking */
1477
1478	if (!capable(CAP_SYS_ADMIN)) {
1479		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1480		     (priv->flags & ~ASYNC_USR_MASK))) {
1481			mutex_unlock(&priv->cfg_lock);
1482			return -EPERM;
1483		}
1484		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1485			       (new_serial.flags & ASYNC_USR_MASK));
1486		priv->custom_divisor = new_serial.custom_divisor;
1487		goto check_and_exit;
1488	}
1489
1490	if (new_serial.baud_base != priv->baud_base) {
1491		mutex_unlock(&priv->cfg_lock);
1492		return -EINVAL;
1493	}
1494
1495	/* Make the changes - these are privileged changes! */
1496
1497	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1498					(new_serial.flags & ASYNC_FLAGS));
1499	priv->custom_divisor = new_serial.custom_divisor;
1500
1501	write_latency_timer(port);
1502
1503check_and_exit:
1504	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1505	     (priv->flags & ASYNC_SPD_MASK)) {
1506		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1507			tty->alt_speed = 57600;
1508		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1509			tty->alt_speed = 115200;
1510		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1511			tty->alt_speed = 230400;
1512		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1513			tty->alt_speed = 460800;
1514		else
1515			tty->alt_speed = 0;
1516	}
1517	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1518	     (priv->flags & ASYNC_SPD_MASK)) ||
1519	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1520	     (old_priv.custom_divisor != priv->custom_divisor))) {
1521		change_speed(tty, port);
1522		mutex_unlock(&priv->cfg_lock);
1523	}
1524	else
1525		mutex_unlock(&priv->cfg_lock);
1526	return 0;
1527}
1528
1529static int get_lsr_info(struct usb_serial_port *port,
1530			struct serial_struct __user *retinfo)
1531{
1532	struct ftdi_private *priv = usb_get_serial_port_data(port);
1533	unsigned int result = 0;
1534
1535	if (!retinfo)
1536		return -EFAULT;
1537
1538	if (priv->transmit_empty)
1539		result = TIOCSER_TEMT;
1540
1541	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1542		return -EFAULT;
1543	return 0;
1544}
1545
1546
1547/* Determine type of FTDI chip based on USB config and descriptor. */
1548static void ftdi_determine_type(struct usb_serial_port *port)
1549{
1550	struct ftdi_private *priv = usb_get_serial_port_data(port);
1551	struct usb_serial *serial = port->serial;
1552	struct usb_device *udev = serial->dev;
1553	unsigned version;
1554	unsigned interfaces;
1555
1556	/* Assume it is not the original SIO device for now. */
1557	priv->baud_base = 48000000 / 2;
1558
1559	version = le16_to_cpu(udev->descriptor.bcdDevice);
1560	interfaces = udev->actconfig->desc.bNumInterfaces;
1561	dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1562		version, interfaces);
1563	if (interfaces > 1) {
1564		int inter;
1565
1566		/* Multiple interfaces.*/
1567		if (version == 0x0800) {
1568			priv->chip_type = FT4232H;
1569			/* Hi-speed - baud clock runs at 120MHz */
1570			priv->baud_base = 120000000 / 2;
1571		} else if (version == 0x0700) {
1572			priv->chip_type = FT2232H;
1573			/* Hi-speed - baud clock runs at 120MHz */
1574			priv->baud_base = 120000000 / 2;
1575		} else
1576			priv->chip_type = FT2232C;
1577
1578		/* Determine interface code. */
1579		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1580		if (inter == 0) {
1581			priv->interface = INTERFACE_A;
1582		} else  if (inter == 1) {
1583			priv->interface = INTERFACE_B;
1584		} else  if (inter == 2) {
1585			priv->interface = INTERFACE_C;
1586		} else  if (inter == 3) {
1587			priv->interface = INTERFACE_D;
1588		}
1589		/* BM-type devices have a bug where bcdDevice gets set
1590		 * to 0x200 when iSerialNumber is 0.  */
1591		if (version < 0x500) {
1592			dev_dbg(&port->dev,
1593				"%s: something fishy - bcdDevice too low for multi-interface device\n",
1594				__func__);
1595		}
1596	} else if (version < 0x200) {
1597		/* Old device.  Assume it's the original SIO. */
1598		priv->chip_type = SIO;
1599		priv->baud_base = 12000000 / 16;
1600	} else if (version < 0x400) {
1601		/* Assume it's an FT8U232AM (or FT8U245AM) */
1602		/* (It might be a BM because of the iSerialNumber bug,
1603		 * but it will still work as an AM device.) */
1604		priv->chip_type = FT8U232AM;
1605	} else if (version < 0x600) {
1606		/* Assume it's an FT232BM (or FT245BM) */
1607		priv->chip_type = FT232BM;
1608	} else if (version < 0x900) {
1609		/* Assume it's an FT232RL */
1610		priv->chip_type = FT232RL;
1611	} else if (version < 0x1000) {
1612		/* Assume it's an FT232H */
1613		priv->chip_type = FT232H;
1614	} else {
1615		/* Assume it's an FT-X series device */
1616		priv->chip_type = FTX;
1617	}
1618
1619	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1620}
1621
1622
1623/*
1624 * Determine the maximum packet size for the device. This depends on the chip
1625 * type and the USB host capabilities. The value should be obtained from the
1626 * device descriptor as the chip will use the appropriate values for the host.
1627 */
1628static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1629{
1630	struct ftdi_private *priv = usb_get_serial_port_data(port);
1631	struct usb_interface *interface = port->serial->interface;
1632	struct usb_endpoint_descriptor *ep_desc;
1633	unsigned num_endpoints;
1634	unsigned i;
1635
1636	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1637	if (!num_endpoints)
1638		return;
1639
1640	/*
1641	 * NOTE: Some customers have programmed FT232R/FT245R devices
1642	 * with an endpoint size of 0 - not good. In this case, we
1643	 * want to override the endpoint descriptor setting and use a
1644	 * value of 64 for wMaxPacketSize.
1645	 */
1646	for (i = 0; i < num_endpoints; i++) {
1647		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1648		if (!ep_desc->wMaxPacketSize) {
1649			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1650			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1651					usb_endpoint_num(ep_desc));
1652		}
1653	}
1654
1655	/* Set max packet size based on last descriptor. */
1656	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1657}
1658
1659
1660/*
1661 * ***************************************************************************
1662 * Sysfs Attribute
1663 * ***************************************************************************
1664 */
1665
1666static ssize_t latency_timer_show(struct device *dev,
1667				  struct device_attribute *attr, char *buf)
1668{
1669	struct usb_serial_port *port = to_usb_serial_port(dev);
1670	struct ftdi_private *priv = usb_get_serial_port_data(port);
1671	if (priv->flags & ASYNC_LOW_LATENCY)
1672		return sprintf(buf, "1\n");
1673	else
1674		return sprintf(buf, "%i\n", priv->latency);
1675}
1676
1677/* Write a new value of the latency timer, in units of milliseconds. */
1678static ssize_t latency_timer_store(struct device *dev,
1679				   struct device_attribute *attr,
1680				   const char *valbuf, size_t count)
1681{
1682	struct usb_serial_port *port = to_usb_serial_port(dev);
1683	struct ftdi_private *priv = usb_get_serial_port_data(port);
1684	int v = simple_strtoul(valbuf, NULL, 10);
1685	int rv;
1686
1687	priv->latency = v;
1688	rv = write_latency_timer(port);
1689	if (rv < 0)
1690		return -EIO;
1691	return count;
1692}
1693static DEVICE_ATTR_RW(latency_timer);
1694
1695/* Write an event character directly to the FTDI register.  The ASCII
1696   value is in the low 8 bits, with the enable bit in the 9th bit. */
1697static ssize_t store_event_char(struct device *dev,
1698	struct device_attribute *attr, const char *valbuf, size_t count)
1699{
1700	struct usb_serial_port *port = to_usb_serial_port(dev);
1701	struct ftdi_private *priv = usb_get_serial_port_data(port);
1702	struct usb_device *udev = port->serial->dev;
1703	int v = simple_strtoul(valbuf, NULL, 10);
1704	int rv;
1705
1706	dev_dbg(&port->dev, "%s: setting event char = %i\n", __func__, v);
1707
1708	rv = usb_control_msg(udev,
1709			     usb_sndctrlpipe(udev, 0),
1710			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1711			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1712			     v, priv->interface,
1713			     NULL, 0, WDR_TIMEOUT);
1714	if (rv < 0) {
1715		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1716		return -EIO;
1717	}
1718
1719	return count;
1720}
1721static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1722
1723static int create_sysfs_attrs(struct usb_serial_port *port)
1724{
1725	struct ftdi_private *priv = usb_get_serial_port_data(port);
1726	int retval = 0;
1727
1728	/* XXX I've no idea if the original SIO supports the event_char
1729	 * sysfs parameter, so I'm playing it safe.  */
1730	if (priv->chip_type != SIO) {
1731		dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1732		retval = device_create_file(&port->dev, &dev_attr_event_char);
1733		if ((!retval) &&
1734		    (priv->chip_type == FT232BM ||
1735		     priv->chip_type == FT2232C ||
1736		     priv->chip_type == FT232RL ||
1737		     priv->chip_type == FT2232H ||
1738		     priv->chip_type == FT4232H ||
1739		     priv->chip_type == FT232H ||
1740		     priv->chip_type == FTX)) {
1741			retval = device_create_file(&port->dev,
1742						    &dev_attr_latency_timer);
1743		}
1744	}
1745	return retval;
1746}
1747
1748static void remove_sysfs_attrs(struct usb_serial_port *port)
1749{
1750	struct ftdi_private *priv = usb_get_serial_port_data(port);
1751
1752	/* XXX see create_sysfs_attrs */
1753	if (priv->chip_type != SIO) {
1754		device_remove_file(&port->dev, &dev_attr_event_char);
1755		if (priv->chip_type == FT232BM ||
1756		    priv->chip_type == FT2232C ||
1757		    priv->chip_type == FT232RL ||
1758		    priv->chip_type == FT2232H ||
1759		    priv->chip_type == FT4232H ||
1760		    priv->chip_type == FT232H ||
1761		    priv->chip_type == FTX) {
1762			device_remove_file(&port->dev, &dev_attr_latency_timer);
1763		}
1764	}
1765
1766}
1767
1768/*
1769 * ***************************************************************************
1770 * FTDI driver specific functions
1771 * ***************************************************************************
1772 */
1773
1774/* Probe function to check for special devices */
1775static int ftdi_sio_probe(struct usb_serial *serial,
1776					const struct usb_device_id *id)
1777{
1778	struct ftdi_sio_quirk *quirk =
1779				(struct ftdi_sio_quirk *)id->driver_info;
1780
1781	if (quirk && quirk->probe) {
1782		int ret = quirk->probe(serial);
1783		if (ret != 0)
1784			return ret;
1785	}
1786
1787	usb_set_serial_data(serial, (void *)id->driver_info);
1788
1789	return 0;
1790}
1791
1792static int ftdi_sio_port_probe(struct usb_serial_port *port)
1793{
1794	struct ftdi_private *priv;
1795	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1796
1797
1798	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1799	if (!priv)
1800		return -ENOMEM;
1801
1802	mutex_init(&priv->cfg_lock);
1803
1804	priv->flags = ASYNC_LOW_LATENCY;
1805
1806	if (quirk && quirk->port_probe)
1807		quirk->port_probe(priv);
1808
1809	usb_set_serial_port_data(port, priv);
1810
1811	ftdi_determine_type(port);
1812	ftdi_set_max_packet_size(port);
1813	if (read_latency_timer(port) < 0)
1814		priv->latency = 16;
1815	write_latency_timer(port);
1816	create_sysfs_attrs(port);
1817	return 0;
1818}
1819
1820/* Setup for the USB-UIRT device, which requires hardwired
1821 * baudrate (38400 gets mapped to 312500) */
1822/* Called from usbserial:serial_probe */
1823static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1824{
1825	priv->flags |= ASYNC_SPD_CUST;
1826	priv->custom_divisor = 77;
1827	priv->force_baud = 38400;
1828}
1829
1830/* Setup for the HE-TIRA1 device, which requires hardwired
1831 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1832
1833static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1834{
1835	priv->flags |= ASYNC_SPD_CUST;
1836	priv->custom_divisor = 240;
1837	priv->force_baud = 38400;
1838	priv->force_rtscts = 1;
1839}
1840
1841/*
1842 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1843 * If this value is not set in /etc/modprobe.d/ its value will be set
1844 * to 1ms.
1845 */
1846static int ndi_latency_timer = 1;
1847
1848/* Setup for the NDI FTDI-based USB devices, which requires hardwired
1849 * baudrate (19200 gets mapped to 1200000).
1850 *
1851 * Called from usbserial:serial_probe.
1852 */
1853static int ftdi_NDI_device_setup(struct usb_serial *serial)
1854{
1855	struct usb_device *udev = serial->dev;
1856	int latency = ndi_latency_timer;
1857
1858	if (latency == 0)
1859		latency = 1;
1860	if (latency > 99)
1861		latency = 99;
1862
1863	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
1864	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
1865
1866	/* FIXME: errors are not returned */
1867	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1868				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1869				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1870				latency, 0, NULL, 0, WDR_TIMEOUT);
1871	return 0;
1872}
1873
1874/*
1875 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1876 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1877 * userspace using openocd.
1878 */
1879static int ftdi_jtag_probe(struct usb_serial *serial)
1880{
1881	struct usb_device *udev = serial->dev;
1882	struct usb_interface *interface = serial->interface;
1883
1884	if (interface == udev->actconfig->interface[0]) {
1885		dev_info(&udev->dev,
1886			 "Ignoring serial port reserved for JTAG\n");
1887		return -ENODEV;
1888	}
1889
1890	return 0;
1891}
1892
1893static int ftdi_8u2232c_probe(struct usb_serial *serial)
1894{
1895	struct usb_device *udev = serial->dev;
1896
1897	if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
1898		return ftdi_jtag_probe(serial);
1899
1900	if (udev->product &&
1901		(!strcmp(udev->product, "BeagleBone/XDS100V2") ||
1902		 !strcmp(udev->product, "SNAP Connect E10")))
1903		return ftdi_jtag_probe(serial);
1904
1905	return 0;
1906}
1907
1908/*
1909 * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
1910 * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
1911 * can be accessed from userspace.
1912 * The next two ports are enabled as UARTs by default, where port 2 is
1913 * a conventional RS-232 UART.
1914 */
1915static int ftdi_stmclite_probe(struct usb_serial *serial)
1916{
1917	struct usb_device *udev = serial->dev;
1918	struct usb_interface *interface = serial->interface;
1919
1920	if (interface == udev->actconfig->interface[0] ||
1921	    interface == udev->actconfig->interface[1]) {
1922		dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1923		return -ENODEV;
1924	}
1925
1926	return 0;
1927}
1928
1929static int ftdi_sio_port_remove(struct usb_serial_port *port)
1930{
1931	struct ftdi_private *priv = usb_get_serial_port_data(port);
1932
1933	remove_sysfs_attrs(port);
1934
1935	kfree(priv);
1936
1937	return 0;
1938}
1939
1940static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1941{
1942	struct usb_device *dev = port->serial->dev;
1943	struct ftdi_private *priv = usb_get_serial_port_data(port);
1944
1945	/* No error checking for this (will get errors later anyway) */
1946	/* See ftdi_sio.h for description of what is reset */
1947	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1948			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1949			FTDI_SIO_RESET_SIO,
1950			priv->interface, NULL, 0, WDR_TIMEOUT);
1951
1952	/* Termios defaults are set by usb_serial_init. We don't change
1953	   port->tty->termios - this would lose speed settings, etc.
1954	   This is same behaviour as serial.c/rs_open() - Kuba */
1955
1956	/* ftdi_set_termios  will send usb control messages */
1957	if (tty)
1958		ftdi_set_termios(tty, port, NULL);
1959
1960	return usb_serial_generic_open(tty, port);
1961}
1962
1963static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1964{
1965	struct ftdi_private *priv = usb_get_serial_port_data(port);
1966
1967	/* Disable flow control */
1968	if (!on) {
1969		if (usb_control_msg(port->serial->dev,
1970			    usb_sndctrlpipe(port->serial->dev, 0),
1971			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1972			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1973			    0, priv->interface, NULL, 0,
1974			    WDR_TIMEOUT) < 0) {
1975			dev_err(&port->dev, "error from flowcontrol urb\n");
1976		}
1977	}
1978	/* drop RTS and DTR */
1979	if (on)
1980		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1981	else
1982		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1983}
1984
1985/* The SIO requires the first byte to have:
1986 *  B0 1
1987 *  B1 0
1988 *  B2..7 length of message excluding byte 0
1989 *
1990 * The new devices do not require this byte
1991 */
1992static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1993						void *dest, size_t size)
1994{
1995	struct ftdi_private *priv;
1996	int count;
1997	unsigned long flags;
1998
1999	priv = usb_get_serial_port_data(port);
2000
2001	if (priv->chip_type == SIO) {
2002		unsigned char *buffer = dest;
2003		int i, len, c;
2004
2005		count = 0;
2006		spin_lock_irqsave(&port->lock, flags);
2007		for (i = 0; i < size - 1; i += priv->max_packet_size) {
2008			len = min_t(int, size - i, priv->max_packet_size) - 1;
2009			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2010			if (!c)
2011				break;
2012			port->icount.tx += c;
2013			buffer[i] = (c << 2) + 1;
2014			count += c + 1;
2015		}
2016		spin_unlock_irqrestore(&port->lock, flags);
2017	} else {
2018		count = kfifo_out_locked(&port->write_fifo, dest, size,
2019								&port->lock);
2020		port->icount.tx += count;
2021	}
2022
2023	return count;
2024}
2025
2026#define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2027
2028static int ftdi_process_packet(struct usb_serial_port *port,
2029		struct ftdi_private *priv, char *packet, int len)
2030{
2031	int i;
2032	char status;
2033	char flag;
2034	char *ch;
2035
2036	if (len < 2) {
2037		dev_dbg(&port->dev, "malformed packet\n");
2038		return 0;
2039	}
2040
2041	/* Compare new line status to the old one, signal if different/
2042	   N.B. packet may be processed more than once, but differences
2043	   are only processed once.  */
2044	status = packet[0] & FTDI_STATUS_B0_MASK;
2045	if (status != priv->prev_status) {
2046		char diff_status = status ^ priv->prev_status;
2047
2048		if (diff_status & FTDI_RS0_CTS)
2049			port->icount.cts++;
2050		if (diff_status & FTDI_RS0_DSR)
2051			port->icount.dsr++;
2052		if (diff_status & FTDI_RS0_RI)
2053			port->icount.rng++;
2054		if (diff_status & FTDI_RS0_RLSD) {
2055			struct tty_struct *tty;
2056
2057			port->icount.dcd++;
2058			tty = tty_port_tty_get(&port->port);
2059			if (tty)
2060				usb_serial_handle_dcd_change(port, tty,
2061						status & FTDI_RS0_RLSD);
2062			tty_kref_put(tty);
2063		}
2064
2065		wake_up_interruptible(&port->port.delta_msr_wait);
2066		priv->prev_status = status;
2067	}
2068
2069	flag = TTY_NORMAL;
2070	if (packet[1] & FTDI_RS_ERR_MASK) {
2071		/* Break takes precedence over parity, which takes precedence
2072		 * over framing errors */
2073		if (packet[1] & FTDI_RS_BI) {
2074			flag = TTY_BREAK;
2075			port->icount.brk++;
2076			usb_serial_handle_break(port);
2077		} else if (packet[1] & FTDI_RS_PE) {
2078			flag = TTY_PARITY;
2079			port->icount.parity++;
2080		} else if (packet[1] & FTDI_RS_FE) {
2081			flag = TTY_FRAME;
2082			port->icount.frame++;
2083		}
2084		/* Overrun is special, not associated with a char */
2085		if (packet[1] & FTDI_RS_OE) {
2086			port->icount.overrun++;
2087			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2088		}
2089	}
2090
2091	/* save if the transmitter is empty or not */
2092	if (packet[1] & FTDI_RS_TEMT)
2093		priv->transmit_empty = 1;
2094	else
2095		priv->transmit_empty = 0;
2096
2097	len -= 2;
2098	if (!len)
2099		return 0;	/* status only */
2100	port->icount.rx += len;
2101	ch = packet + 2;
2102
2103	if (port->port.console && port->sysrq) {
2104		for (i = 0; i < len; i++, ch++) {
2105			if (!usb_serial_handle_sysrq_char(port, *ch))
2106				tty_insert_flip_char(&port->port, *ch, flag);
2107		}
2108	} else {
2109		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
2110	}
2111
2112	return len;
2113}
2114
2115static void ftdi_process_read_urb(struct urb *urb)
2116{
2117	struct usb_serial_port *port = urb->context;
2118	struct ftdi_private *priv = usb_get_serial_port_data(port);
2119	char *data = (char *)urb->transfer_buffer;
2120	int i;
2121	int len;
2122	int count = 0;
2123
2124	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2125		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2126		count += ftdi_process_packet(port, priv, &data[i], len);
2127	}
2128
2129	if (count)
2130		tty_flip_buffer_push(&port->port);
2131}
2132
2133static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2134{
2135	struct usb_serial_port *port = tty->driver_data;
2136	struct ftdi_private *priv = usb_get_serial_port_data(port);
2137	__u16 urb_value;
2138
2139	/* break_state = -1 to turn on break, and 0 to turn off break */
2140	/* see drivers/char/tty_io.c to see it used */
2141	/* last_set_data_urb_value NEVER has the break bit set in it */
2142
2143	if (break_state)
2144		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2145	else
2146		urb_value = priv->last_set_data_urb_value;
2147
2148	if (usb_control_msg(port->serial->dev,
2149			usb_sndctrlpipe(port->serial->dev, 0),
2150			FTDI_SIO_SET_DATA_REQUEST,
2151			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2152			urb_value , priv->interface,
2153			NULL, 0, WDR_TIMEOUT) < 0) {
2154		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2155			__func__, break_state);
2156	}
2157
2158	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2159		break_state, urb_value);
2160
2161}
2162
2163static bool ftdi_tx_empty(struct usb_serial_port *port)
2164{
2165	unsigned char buf[2];
2166	int ret;
2167
2168	ret = ftdi_get_modem_status(port, buf);
2169	if (ret == 2) {
2170		if (!(buf[1] & FTDI_RS_TEMT))
2171			return false;
2172	}
2173
2174	return true;
2175}
2176
2177/* old_termios contains the original termios settings and tty->termios contains
2178 * the new setting to be used
2179 * WARNING: set_termios calls this with old_termios in kernel space
2180 */
2181static void ftdi_set_termios(struct tty_struct *tty,
2182		struct usb_serial_port *port, struct ktermios *old_termios)
2183{
2184	struct usb_device *dev = port->serial->dev;
2185	struct device *ddev = &port->dev;
2186	struct ftdi_private *priv = usb_get_serial_port_data(port);
2187	struct ktermios *termios = &tty->termios;
2188	unsigned int cflag = termios->c_cflag;
2189	__u16 urb_value; /* will hold the new flags */
2190
2191	/* Added for xon/xoff support */
2192	unsigned int iflag = termios->c_iflag;
2193	unsigned char vstop;
2194	unsigned char vstart;
2195
2196	/* Force baud rate if this device requires it, unless it is set to
2197	   B0. */
2198	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2199		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2200		tty_encode_baud_rate(tty, priv->force_baud,
2201					priv->force_baud);
2202	}
2203
2204	/* Force RTS-CTS if this device requires it. */
2205	if (priv->force_rtscts) {
2206		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2207		termios->c_cflag |= CRTSCTS;
2208	}
2209
2210	/*
2211	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2212	 * support CS5/6 and revert the CSIZE setting instead.
2213	 *
2214	 * CS5 however is used to control some smartcard readers which abuse
2215	 * this limitation to switch modes. Original FTDI chips fall back to
2216	 * eight data bits.
2217	 *
2218	 * TODO: Implement a quirk to only allow this with mentioned
2219	 *       readers. One I know of (Argolis Smartreader V1)
2220	 *       returns "USB smartcard server" as iInterface string.
2221	 *       The vendor didn't bother with a custom VID/PID of
2222	 *       course.
2223	 */
2224	if (C_CSIZE(tty) == CS6) {
2225		dev_warn(ddev, "requested CSIZE setting not supported\n");
2226
2227		termios->c_cflag &= ~CSIZE;
2228		if (old_termios)
2229			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2230		else
2231			termios->c_cflag |= CS8;
2232	}
2233
2234	cflag = termios->c_cflag;
2235
2236	if (!old_termios)
2237		goto no_skip;
2238
2239	if (old_termios->c_cflag == termios->c_cflag
2240	    && old_termios->c_ispeed == termios->c_ispeed
2241	    && old_termios->c_ospeed == termios->c_ospeed)
2242		goto no_c_cflag_changes;
2243
2244	/* NOTE These routines can get interrupted by
2245	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2246	   don't see any problems yet */
2247
2248	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2249	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2250		goto no_data_parity_stop_changes;
2251
2252no_skip:
2253	/* Set number of data bits, parity, stop bits */
2254
2255	urb_value = 0;
2256	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2257		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2258	if (cflag & PARENB) {
2259		if (cflag & CMSPAR)
2260			urb_value |= cflag & PARODD ?
2261				     FTDI_SIO_SET_DATA_PARITY_MARK :
2262				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2263		else
2264			urb_value |= cflag & PARODD ?
2265				     FTDI_SIO_SET_DATA_PARITY_ODD :
2266				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2267	} else {
2268		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2269	}
2270	switch (cflag & CSIZE) {
2271	case CS5:
2272		dev_dbg(ddev, "Setting CS5 quirk\n");
2273		break;
2274	case CS7:
2275		urb_value |= 7;
2276		dev_dbg(ddev, "Setting CS7\n");
2277		break;
2278	default:
2279	case CS8:
2280		urb_value |= 8;
2281		dev_dbg(ddev, "Setting CS8\n");
2282		break;
2283	}
2284
2285	/* This is needed by the break command since it uses the same command
2286	   - but is or'ed with this value  */
2287	priv->last_set_data_urb_value = urb_value;
2288
2289	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2290			    FTDI_SIO_SET_DATA_REQUEST,
2291			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2292			    urb_value , priv->interface,
2293			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2294		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2295			__func__);
2296	}
2297
2298	/* Now do the baudrate */
2299no_data_parity_stop_changes:
2300	if ((cflag & CBAUD) == B0) {
2301		/* Disable flow control */
2302		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2303				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2304				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2305				    0, priv->interface,
2306				    NULL, 0, WDR_TIMEOUT) < 0) {
2307			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2308				__func__);
2309		}
2310		/* Drop RTS and DTR */
2311		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2312	} else {
2313		/* set the baudrate determined before */
2314		mutex_lock(&priv->cfg_lock);
2315		if (change_speed(tty, port))
2316			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2317		mutex_unlock(&priv->cfg_lock);
2318		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2319		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2320			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2321	}
2322
2323	/* Set flow control */
2324	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2325no_c_cflag_changes:
2326	if (cflag & CRTSCTS) {
2327		dev_dbg(ddev, "%s Setting to CRTSCTS flow control\n", __func__);
2328		if (usb_control_msg(dev,
2329				    usb_sndctrlpipe(dev, 0),
2330				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2331				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2332				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2333				    NULL, 0, WDR_TIMEOUT) < 0) {
2334			dev_err(ddev, "urb failed to set to rts/cts flow control\n");
2335		}
2336	} else {
2337		/*
2338		 * Xon/Xoff code
2339		 *
2340		 * Check the IXOFF status in the iflag component of the
2341		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2342		 * code is executed.
2343		 */
2344		if (iflag & IXOFF) {
2345			dev_dbg(ddev, "%s  request to enable xonxoff iflag=%04x\n",
2346				__func__, iflag);
2347			/* Try to enable the XON/XOFF on the ftdi_sio
2348			 * Set the vstart and vstop -- could have been done up
2349			 * above where a lot of other dereferencing is done but
2350			 * that would be very inefficient as vstart and vstop
2351			 * are not always needed.
2352			 */
2353			vstart = termios->c_cc[VSTART];
2354			vstop = termios->c_cc[VSTOP];
2355			urb_value = (vstop << 8) | (vstart);
2356
2357			if (usb_control_msg(dev,
2358					    usb_sndctrlpipe(dev, 0),
2359					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2360					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2361					    urb_value , (FTDI_SIO_XON_XOFF_HS
2362							 | priv->interface),
2363					    NULL, 0, WDR_TIMEOUT) < 0) {
2364				dev_err(&port->dev, "urb failed to set to "
2365					"xon/xoff flow control\n");
2366			}
2367		} else {
2368			/* else clause to only run if cflag ! CRTSCTS and iflag
2369			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2370			 * stack - not by device */
2371			dev_dbg(ddev, "%s Turning off hardware flow control\n", __func__);
2372			if (usb_control_msg(dev,
2373					    usb_sndctrlpipe(dev, 0),
2374					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2375					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2376					    0, priv->interface,
2377					    NULL, 0, WDR_TIMEOUT) < 0) {
2378				dev_err(ddev, "urb failed to clear flow control\n");
2379			}
2380		}
2381	}
2382}
2383
2384/*
2385 * Get modem-control status.
2386 *
2387 * Returns the number of status bytes retrieved (device dependant), or
2388 * negative error code.
2389 */
2390static int ftdi_get_modem_status(struct usb_serial_port *port,
2391						unsigned char status[2])
2392{
2393	struct ftdi_private *priv = usb_get_serial_port_data(port);
2394	unsigned char *buf;
2395	int len;
2396	int ret;
2397
2398	buf = kmalloc(2, GFP_KERNEL);
2399	if (!buf)
2400		return -ENOMEM;
2401	/*
2402	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2403	 * the same format as the data returned from the in point.
2404	 */
2405	switch (priv->chip_type) {
2406	case SIO:
2407		len = 1;
2408		break;
2409	case FT8U232AM:
2410	case FT232BM:
2411	case FT2232C:
2412	case FT232RL:
2413	case FT2232H:
2414	case FT4232H:
2415	case FT232H:
2416	case FTX:
2417		len = 2;
2418		break;
2419	default:
2420		ret = -EFAULT;
2421		goto out;
2422	}
2423
2424	ret = usb_control_msg(port->serial->dev,
2425			usb_rcvctrlpipe(port->serial->dev, 0),
2426			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2427			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2428			0, priv->interface,
2429			buf, len, WDR_TIMEOUT);
2430	if (ret < 0) {
2431		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2432		ret = usb_translate_errors(ret);
2433		goto out;
2434	}
2435
2436	status[0] = buf[0];
2437	if (ret > 1)
2438		status[1] = buf[1];
2439	else
2440		status[1] = 0;
2441
2442	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2443								status[1]);
2444out:
2445	kfree(buf);
2446
2447	return ret;
2448}
2449
2450static int ftdi_tiocmget(struct tty_struct *tty)
2451{
2452	struct usb_serial_port *port = tty->driver_data;
2453	struct ftdi_private *priv = usb_get_serial_port_data(port);
2454	unsigned char buf[2];
2455	int ret;
2456
2457	ret = ftdi_get_modem_status(port, buf);
2458	if (ret < 0)
2459		return ret;
2460
2461	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2462		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2463		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2464		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2465		priv->last_dtr_rts;
2466
2467	return ret;
2468}
2469
2470static int ftdi_tiocmset(struct tty_struct *tty,
2471			unsigned int set, unsigned int clear)
2472{
2473	struct usb_serial_port *port = tty->driver_data;
2474
2475	return update_mctrl(port, set, clear);
2476}
2477
2478static int ftdi_ioctl(struct tty_struct *tty,
2479					unsigned int cmd, unsigned long arg)
2480{
2481	struct usb_serial_port *port = tty->driver_data;
2482
2483	/* Based on code from acm.c and others */
2484	switch (cmd) {
2485
2486	case TIOCGSERIAL: /* gets serial port data */
2487		return get_serial_info(port,
2488					(struct serial_struct __user *) arg);
2489
2490	case TIOCSSERIAL: /* sets serial port data */
2491		return set_serial_info(tty, port,
2492					(struct serial_struct __user *) arg);
2493	case TIOCSERGETLSR:
2494		return get_lsr_info(port, (struct serial_struct __user *)arg);
2495		break;
2496	default:
2497		break;
2498	}
2499
2500	return -ENOIOCTLCMD;
2501}
2502
2503module_usb_serial_driver(serial_drivers, id_table_combined);
2504
2505MODULE_AUTHOR(DRIVER_AUTHOR);
2506MODULE_DESCRIPTION(DRIVER_DESC);
2507MODULE_LICENSE("GPL");
2508
2509module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2510MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2511