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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	/*
608	 * ELV devices:
609	 */
610	{ USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
611	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
612	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
613	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
614	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
615	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
616	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
617	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
618	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
619	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
620	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
621	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
622	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
623	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
624	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
625	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
626	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
627	{ USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
628	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
629	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
630	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
631	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
632	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
633	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
634	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
635	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
636	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
637	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
638	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
639	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
640	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
641	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
642	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
643	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
644	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
645	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
646	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
647	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
648	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
649	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
650	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
651	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
652	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
653	{ USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
654	{ USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
655	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
656	{ USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
657	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
658	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
659	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
660	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
661	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
662	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
663	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
664	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
665	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
666	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
667	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
668	{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
669	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
670	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
671	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
672	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
673	{ USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
674	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
675	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
676	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
677	{ USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
678	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
679	{ USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
680	{ USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
681	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
682	{ USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
683	{ USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
684	{ USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
685	{ USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
686	{ USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
687	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
688	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
689	{ USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
690	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
691	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
692	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
693	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
694	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
695	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
696	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
697	{ USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
698	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
699	{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
700	{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
701	{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
702	{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
703	{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
704	{ USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
705	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
706	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
707	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
708	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
709	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
710	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
711	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
712	{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
713	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
714	{ USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
715	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
716	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
717	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
718	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
719	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
720	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
721	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
722	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
723	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
724	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
725	{ USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
726	{ USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
727	{ USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
728	{ USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
729	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
730	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
731	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
732	{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
733	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
734	{ USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
735	{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
736	{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
737	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
738	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
739	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
740	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
741	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
742	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
743	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
744	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
745	{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
746	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
747	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
748	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
749	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
750	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
751	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
752	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
753	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
754	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
755	{ USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
756	{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
757		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
758	{ USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
759		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
760	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
761		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
762	{ USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
763		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
764	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
765		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
766	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
767	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
768	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
769	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
770	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
771	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
772	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
773	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
774	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
775	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
776	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
777	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
778	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
779	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
780	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
781	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
782	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
783	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
784	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
785	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
786	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
787	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
788	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
789	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
790	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
791	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
792	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
793	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
794	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
795	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
796	{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
797	{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
798	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
799	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
800	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
801	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
802	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
803		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
804	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
805		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
806	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
807		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
808	{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
809		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
810	{ USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
811		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
812	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
813		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
814	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
815		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
816	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
817		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
818	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
819	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
820
821	/* Papouch devices based on FTDI chip */
822	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
823	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
824	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
825	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
826	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
827	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
828	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
829	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
830	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
831	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
832	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
833	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
834	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
835	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
836	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
837	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
838	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
839	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
840	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
841	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
842	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
843	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
844	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
845	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
846	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
847	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
848	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
849	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
850
851	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
852	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
853	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
854	{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
855	{ USB_DEVICE(ATMEL_VID, STK541_PID) },
856	{ USB_DEVICE(DE_VID, STB_PID) },
857	{ USB_DEVICE(DE_VID, WHT_PID) },
858	{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
859		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
860	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
861		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
862	{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
863					USB_CLASS_VENDOR_SPEC,
864					USB_SUBCLASS_VENDOR_SPEC, 0x00) },
865	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
866	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
867		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
868	{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
869	{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
870	{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
871	{ USB_DEVICE(FTDI_VID, PI_C857_PID) },
872	{ USB_DEVICE(PI_VID, PI_C866_PID) },
873	{ USB_DEVICE(PI_VID, PI_C663_PID) },
874	{ USB_DEVICE(PI_VID, PI_C725_PID) },
875	{ USB_DEVICE(PI_VID, PI_E517_PID) },
876	{ USB_DEVICE(PI_VID, PI_C863_PID) },
877	{ USB_DEVICE(PI_VID, PI_E861_PID) },
878	{ USB_DEVICE(PI_VID, PI_C867_PID) },
879	{ USB_DEVICE(PI_VID, PI_E609_PID) },
880	{ USB_DEVICE(PI_VID, PI_E709_PID) },
881	{ USB_DEVICE(PI_VID, PI_100F_PID) },
882	{ USB_DEVICE(PI_VID, PI_1011_PID) },
883	{ USB_DEVICE(PI_VID, PI_1012_PID) },
884	{ USB_DEVICE(PI_VID, PI_1013_PID) },
885	{ USB_DEVICE(PI_VID, PI_1014_PID) },
886	{ USB_DEVICE(PI_VID, PI_1015_PID) },
887	{ USB_DEVICE(PI_VID, PI_1016_PID) },
888	{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
889	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
890	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
891		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
892	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
893		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
894	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
895	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
896	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
897	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
898	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
899	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
900	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
901	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
902	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
903		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
904	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
905		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
906	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
907		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
908	{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
909		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
910	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
911	{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
912	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
913		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
914	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
915	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
916	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
917	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
918	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
919	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
920	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
921	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
922	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
923	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
924	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
925	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
926	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
927	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
928		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
929	{ USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
930		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
931	{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
932		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
933	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
934	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
935		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
936	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
937	/* Crucible Devices */
938	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
939	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
940	/* Cressi Devices */
941	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
942	/* Brainboxes Devices */
943	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
944	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
945	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
946	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
947	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
948	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
949	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
950	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
951	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
952	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
953	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
954	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
955	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
956	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
957	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
958	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
959	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
960	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
961	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
962	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
963	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
964	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
965	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
966	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
967	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
968	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
969	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
970	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
971	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
972	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
973	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
974	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
975	/* ekey Devices */
976	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
977	/* Infineon Devices */
978	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
979	/* GE Healthcare devices */
980	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
981	{ }					/* Terminating entry */
982};
983
984MODULE_DEVICE_TABLE(usb, id_table_combined);
985
986static const char *ftdi_chip_name[] = {
987	[SIO] = "SIO",	/* the serial part of FT8U100AX */
988	[FT8U232AM] = "FT8U232AM",
989	[FT232BM] = "FT232BM",
990	[FT2232C] = "FT2232C",
991	[FT232RL] = "FT232RL",
992	[FT2232H] = "FT2232H",
993	[FT4232H] = "FT4232H",
994	[FT232H]  = "FT232H",
995	[FTX]     = "FT-X"
996};
997
998
999/* Used for TIOCMIWAIT */
1000#define FTDI_STATUS_B0_MASK	(FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1001#define FTDI_STATUS_B1_MASK	(FTDI_RS_BI)
1002/* End TIOCMIWAIT */
1003
1004/* function prototypes for a FTDI serial converter */
1005static int  ftdi_sio_probe(struct usb_serial *serial,
1006					const struct usb_device_id *id);
1007static int  ftdi_sio_port_probe(struct usb_serial_port *port);
1008static int  ftdi_sio_port_remove(struct usb_serial_port *port);
1009static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
1010static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
1011static void ftdi_process_read_urb(struct urb *urb);
1012static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1013						void *dest, size_t size);
1014static void ftdi_set_termios(struct tty_struct *tty,
1015			struct usb_serial_port *port, struct ktermios *old);
1016static int  ftdi_tiocmget(struct tty_struct *tty);
1017static int  ftdi_tiocmset(struct tty_struct *tty,
1018			unsigned int set, unsigned int clear);
1019static int  ftdi_ioctl(struct tty_struct *tty,
1020			unsigned int cmd, unsigned long arg);
1021static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1022static bool ftdi_tx_empty(struct usb_serial_port *port);
1023static int ftdi_get_modem_status(struct usb_serial_port *port,
1024						unsigned char status[2]);
1025
1026static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1027static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1028static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1029static __u32 ftdi_232bm_baud_to_divisor(int baud);
1030static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1031static __u32 ftdi_2232h_baud_to_divisor(int baud);
1032
1033static struct usb_serial_driver ftdi_sio_device = {
1034	.driver = {
1035		.owner =	THIS_MODULE,
1036		.name =		"ftdi_sio",
1037	},
1038	.description =		"FTDI USB Serial Device",
1039	.id_table =		id_table_combined,
1040	.num_ports =		1,
1041	.bulk_in_size =		512,
1042	.bulk_out_size =	256,
1043	.probe =		ftdi_sio_probe,
1044	.port_probe =		ftdi_sio_port_probe,
1045	.port_remove =		ftdi_sio_port_remove,
1046	.open =			ftdi_open,
1047	.dtr_rts =		ftdi_dtr_rts,
1048	.throttle =		usb_serial_generic_throttle,
1049	.unthrottle =		usb_serial_generic_unthrottle,
1050	.process_read_urb =	ftdi_process_read_urb,
1051	.prepare_write_buffer =	ftdi_prepare_write_buffer,
1052	.tiocmget =		ftdi_tiocmget,
1053	.tiocmset =		ftdi_tiocmset,
1054	.tiocmiwait =		usb_serial_generic_tiocmiwait,
1055	.get_icount =           usb_serial_generic_get_icount,
1056	.ioctl =		ftdi_ioctl,
1057	.set_termios =		ftdi_set_termios,
1058	.break_ctl =		ftdi_break_ctl,
1059	.tx_empty =		ftdi_tx_empty,
1060};
1061
1062static struct usb_serial_driver * const serial_drivers[] = {
1063	&ftdi_sio_device, NULL
1064};
1065
1066
1067#define WDR_TIMEOUT 5000 /* default urb timeout */
1068#define WDR_SHORT_TIMEOUT 1000	/* shorter urb timeout */
1069
1070/*
1071 * ***************************************************************************
1072 * Utility functions
1073 * ***************************************************************************
1074 */
1075
1076static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1077{
1078	unsigned short int divisor;
1079	/* divisor shifted 3 bits to the left */
1080	int divisor3 = base / 2 / baud;
1081	if ((divisor3 & 0x7) == 7)
1082		divisor3++; /* round x.7/8 up to x+1 */
1083	divisor = divisor3 >> 3;
1084	divisor3 &= 0x7;
1085	if (divisor3 == 1)
1086		divisor |= 0xc000;
1087	else if (divisor3 >= 4)
1088		divisor |= 0x4000;
1089	else if (divisor3 != 0)
1090		divisor |= 0x8000;
1091	else if (divisor == 1)
1092		divisor = 0;	/* special case for maximum baud rate */
1093	return divisor;
1094}
1095
1096static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1097{
1098	 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1099}
1100
1101static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1102{
1103	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1104	__u32 divisor;
1105	/* divisor shifted 3 bits to the left */
1106	int divisor3 = base / 2 / baud;
1107	divisor = divisor3 >> 3;
1108	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1109	/* Deal with special cases for highest baud rates. */
1110	if (divisor == 1)
1111		divisor = 0;
1112	else if (divisor == 0x4001)
1113		divisor = 1;
1114	return divisor;
1115}
1116
1117static __u32 ftdi_232bm_baud_to_divisor(int baud)
1118{
1119	 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1120}
1121
1122static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1123{
1124	static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1125	__u32 divisor;
1126	int divisor3;
1127
1128	/* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1129	divisor3 = base * 8 / (baud * 10);
1130
1131	divisor = divisor3 >> 3;
1132	divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1133	/* Deal with special cases for highest baud rates. */
1134	if (divisor == 1)
1135		divisor = 0;
1136	else if (divisor == 0x4001)
1137		divisor = 1;
1138	/*
1139	 * Set this bit to turn off a divide by 2.5 on baud rate generator
1140	 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1141	 * baud with this bit set
1142	 */
1143	divisor |= 0x00020000;
1144	return divisor;
1145}
1146
1147static __u32 ftdi_2232h_baud_to_divisor(int baud)
1148{
1149	 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1150}
1151
1152#define set_mctrl(port, set)		update_mctrl((port), (set), 0)
1153#define clear_mctrl(port, clear)	update_mctrl((port), 0, (clear))
1154
1155static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1156							unsigned int clear)
1157{
1158	struct ftdi_private *priv = usb_get_serial_port_data(port);
1159	struct device *dev = &port->dev;
1160	unsigned urb_value;
1161	int rv;
1162
1163	if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1164		dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1165		return 0;	/* no change */
1166	}
1167
1168	clear &= ~set;	/* 'set' takes precedence over 'clear' */
1169	urb_value = 0;
1170	if (clear & TIOCM_DTR)
1171		urb_value |= FTDI_SIO_SET_DTR_LOW;
1172	if (clear & TIOCM_RTS)
1173		urb_value |= FTDI_SIO_SET_RTS_LOW;
1174	if (set & TIOCM_DTR)
1175		urb_value |= FTDI_SIO_SET_DTR_HIGH;
1176	if (set & TIOCM_RTS)
1177		urb_value |= FTDI_SIO_SET_RTS_HIGH;
1178	rv = usb_control_msg(port->serial->dev,
1179			       usb_sndctrlpipe(port->serial->dev, 0),
1180			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1181			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1182			       urb_value, priv->interface,
1183			       NULL, 0, WDR_TIMEOUT);
1184	if (rv < 0) {
1185		dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1186			__func__,
1187			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1188			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1189		rv = usb_translate_errors(rv);
1190	} else {
1191		dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1192			(set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1193			(set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1194		/* FIXME: locking on last_dtr_rts */
1195		priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1196	}
1197	return rv;
1198}
1199
1200
1201static __u32 get_ftdi_divisor(struct tty_struct *tty,
1202						struct usb_serial_port *port)
1203{
1204	struct ftdi_private *priv = usb_get_serial_port_data(port);
1205	struct device *dev = &port->dev;
1206	__u32 div_value = 0;
1207	int div_okay = 1;
1208	int baud;
1209
1210	/*
1211	 * The logic involved in setting the baudrate can be cleanly split into
1212	 * 3 steps.
1213	 * 1. Standard baud rates are set in tty->termios->c_cflag
1214	 * 2. If these are not enough, you can set any speed using alt_speed as
1215	 * follows:
1216	 *    - set tty->termios->c_cflag speed to B38400
1217	 *    - set your real speed in tty->alt_speed; it gets ignored when
1218	 *      alt_speed==0, (or)
1219	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1220	 *	follows:
1221	 *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1222	 *	this just sets alt_speed to (HI: 57600, VHI: 115200,
1223	 *	SHI: 230400, WARP: 460800)
1224	 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1225	 * 3. You can also set baud rate by setting custom divisor as follows
1226	 *    - set tty->termios->c_cflag speed to B38400
1227	 *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1228	 *	follows:
1229	 *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1230	 *      o custom_divisor set to baud_base / your_new_baudrate
1231	 * ** Step 3 is done courtesy of code borrowed from serial.c
1232	 *    I should really spend some time and separate + move this common
1233	 *    code to serial.c, it is replicated in nearly every serial driver
1234	 *    you see.
1235	 */
1236
1237	/* 1. Get the baud rate from the tty settings, this observes
1238	      alt_speed hack */
1239
1240	baud = tty_get_baud_rate(tty);
1241	dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1242
1243	/* 2. Observe async-compatible custom_divisor hack, update baudrate
1244	   if needed */
1245
1246	if (baud == 38400 &&
1247	    ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1248	     (priv->custom_divisor)) {
1249		baud = priv->baud_base / priv->custom_divisor;
1250		dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1251			__func__, priv->custom_divisor, baud);
1252	}
1253
1254	/* 3. Convert baudrate to device-specific divisor */
1255
1256	if (!baud)
1257		baud = 9600;
1258	switch (priv->chip_type) {
1259	case SIO: /* SIO chip */
1260		switch (baud) {
1261		case 300: div_value = ftdi_sio_b300; break;
1262		case 600: div_value = ftdi_sio_b600; break;
1263		case 1200: div_value = ftdi_sio_b1200; break;
1264		case 2400: div_value = ftdi_sio_b2400; break;
1265		case 4800: div_value = ftdi_sio_b4800; break;
1266		case 9600: div_value = ftdi_sio_b9600; break;
1267		case 19200: div_value = ftdi_sio_b19200; break;
1268		case 38400: div_value = ftdi_sio_b38400; break;
1269		case 57600: div_value = ftdi_sio_b57600;  break;
1270		case 115200: div_value = ftdi_sio_b115200; break;
1271		} /* baud */
1272		if (div_value == 0) {
1273			dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1274				__func__,  baud);
1275			div_value = ftdi_sio_b9600;
1276			baud = 9600;
1277			div_okay = 0;
1278		}
1279		break;
1280	case FT8U232AM: /* 8U232AM chip */
1281		if (baud <= 3000000) {
1282			div_value = ftdi_232am_baud_to_divisor(baud);
1283		} else {
1284			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1285			baud = 9600;
1286			div_value = ftdi_232am_baud_to_divisor(9600);
1287			div_okay = 0;
1288		}
1289		break;
1290	case FT232BM: /* FT232BM chip */
1291	case FT2232C: /* FT2232C chip */
1292	case FT232RL: /* FT232RL chip */
1293	case FTX:     /* FT-X series */
1294		if (baud <= 3000000) {
1295			__u16 product_id = le16_to_cpu(
1296				port->serial->dev->descriptor.idProduct);
1297			if (((FTDI_NDI_HUC_PID == product_id) ||
1298			     (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1299			     (FTDI_NDI_FUTURE_2_PID == product_id) ||
1300			     (FTDI_NDI_FUTURE_3_PID == product_id) ||
1301			     (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1302			    (baud == 19200)) {
1303				baud = 1200000;
1304			}
1305			div_value = ftdi_232bm_baud_to_divisor(baud);
1306		} else {
1307			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1308			div_value = ftdi_232bm_baud_to_divisor(9600);
1309			div_okay = 0;
1310			baud = 9600;
1311		}
1312		break;
1313	case FT2232H: /* FT2232H chip */
1314	case FT4232H: /* FT4232H chip */
1315	case FT232H:  /* FT232H chip */
1316		if ((baud <= 12000000) && (baud >= 1200)) {
1317			div_value = ftdi_2232h_baud_to_divisor(baud);
1318		} else if (baud < 1200) {
1319			div_value = ftdi_232bm_baud_to_divisor(baud);
1320		} else {
1321			dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1322			div_value = ftdi_232bm_baud_to_divisor(9600);
1323			div_okay = 0;
1324			baud = 9600;
1325		}
1326		break;
1327	} /* priv->chip_type */
1328
1329	if (div_okay) {
1330		dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1331			__func__, baud, (unsigned long)div_value,
1332			ftdi_chip_name[priv->chip_type]);
1333	}
1334
1335	tty_encode_baud_rate(tty, baud, baud);
1336	return div_value;
1337}
1338
1339static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1340{
1341	struct ftdi_private *priv = usb_get_serial_port_data(port);
1342	__u16 urb_value;
1343	__u16 urb_index;
1344	__u32 urb_index_value;
1345	int rv;
1346
1347	urb_index_value = get_ftdi_divisor(tty, port);
1348	urb_value = (__u16)urb_index_value;
1349	urb_index = (__u16)(urb_index_value >> 16);
1350	if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1351		(priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1352		/* Probably the BM type needs the MSB of the encoded fractional
1353		 * divider also moved like for the chips above. Any infos? */
1354		urb_index = (__u16)((urb_index << 8) | priv->interface);
1355	}
1356
1357	rv = usb_control_msg(port->serial->dev,
1358			    usb_sndctrlpipe(port->serial->dev, 0),
1359			    FTDI_SIO_SET_BAUDRATE_REQUEST,
1360			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1361			    urb_value, urb_index,
1362			    NULL, 0, WDR_SHORT_TIMEOUT);
1363	return rv;
1364}
1365
1366static int write_latency_timer(struct usb_serial_port *port)
1367{
1368	struct ftdi_private *priv = usb_get_serial_port_data(port);
1369	struct usb_device *udev = port->serial->dev;
1370	int rv;
1371	int l = priv->latency;
1372
1373	if (priv->flags & ASYNC_LOW_LATENCY)
1374		l = 1;
1375
1376	dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1377
1378	rv = usb_control_msg(udev,
1379			     usb_sndctrlpipe(udev, 0),
1380			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1381			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1382			     l, priv->interface,
1383			     NULL, 0, WDR_TIMEOUT);
1384	if (rv < 0)
1385		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1386	return rv;
1387}
1388
1389static int read_latency_timer(struct usb_serial_port *port)
1390{
1391	struct ftdi_private *priv = usb_get_serial_port_data(port);
1392	struct usb_device *udev = port->serial->dev;
1393	unsigned char *buf;
1394	int rv;
1395
1396	buf = kmalloc(1, GFP_KERNEL);
1397	if (!buf)
1398		return -ENOMEM;
1399
1400	rv = usb_control_msg(udev,
1401			     usb_rcvctrlpipe(udev, 0),
1402			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1403			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1404			     0, priv->interface,
1405			     buf, 1, WDR_TIMEOUT);
1406	if (rv < 0)
1407		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1408	else
1409		priv->latency = buf[0];
1410
1411	kfree(buf);
1412
1413	return rv;
1414}
1415
1416static int get_serial_info(struct usb_serial_port *port,
1417				struct serial_struct __user *retinfo)
1418{
1419	struct ftdi_private *priv = usb_get_serial_port_data(port);
1420	struct serial_struct tmp;
1421
1422	if (!retinfo)
1423		return -EFAULT;
1424	memset(&tmp, 0, sizeof(tmp));
1425	tmp.flags = priv->flags;
1426	tmp.baud_base = priv->baud_base;
1427	tmp.custom_divisor = priv->custom_divisor;
1428	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1429		return -EFAULT;
1430	return 0;
1431}
1432
1433static int set_serial_info(struct tty_struct *tty,
1434	struct usb_serial_port *port, struct serial_struct __user *newinfo)
1435{
1436	struct ftdi_private *priv = usb_get_serial_port_data(port);
1437	struct serial_struct new_serial;
1438	struct ftdi_private old_priv;
1439
1440	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1441		return -EFAULT;
1442
1443	mutex_lock(&priv->cfg_lock);
1444	old_priv = *priv;
1445
1446	/* Do error checking and permission checking */
1447
1448	if (!capable(CAP_SYS_ADMIN)) {
1449		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1450		     (priv->flags & ~ASYNC_USR_MASK))) {
1451			mutex_unlock(&priv->cfg_lock);
1452			return -EPERM;
1453		}
1454		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1455			       (new_serial.flags & ASYNC_USR_MASK));
1456		priv->custom_divisor = new_serial.custom_divisor;
1457		goto check_and_exit;
1458	}
1459
1460	if (new_serial.baud_base != priv->baud_base) {
1461		mutex_unlock(&priv->cfg_lock);
1462		return -EINVAL;
1463	}
1464
1465	/* Make the changes - these are privileged changes! */
1466
1467	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1468					(new_serial.flags & ASYNC_FLAGS));
1469	priv->custom_divisor = new_serial.custom_divisor;
1470
1471	write_latency_timer(port);
1472
1473check_and_exit:
1474	if ((old_priv.flags & ASYNC_SPD_MASK) !=
1475	     (priv->flags & ASYNC_SPD_MASK)) {
1476		if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1477			tty->alt_speed = 57600;
1478		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1479			tty->alt_speed = 115200;
1480		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1481			tty->alt_speed = 230400;
1482		else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1483			tty->alt_speed = 460800;
1484		else
1485			tty->alt_speed = 0;
1486	}
1487	if (((old_priv.flags & ASYNC_SPD_MASK) !=
1488	     (priv->flags & ASYNC_SPD_MASK)) ||
1489	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1490	     (old_priv.custom_divisor != priv->custom_divisor))) {
1491		change_speed(tty, port);
1492		mutex_unlock(&priv->cfg_lock);
1493	}
1494	else
1495		mutex_unlock(&priv->cfg_lock);
1496	return 0;
1497}
1498
1499static int get_lsr_info(struct usb_serial_port *port,
1500			struct serial_struct __user *retinfo)
1501{
1502	struct ftdi_private *priv = usb_get_serial_port_data(port);
1503	unsigned int result = 0;
1504
1505	if (!retinfo)
1506		return -EFAULT;
1507
1508	if (priv->transmit_empty)
1509		result = TIOCSER_TEMT;
1510
1511	if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1512		return -EFAULT;
1513	return 0;
1514}
1515
1516
1517/* Determine type of FTDI chip based on USB config and descriptor. */
1518static void ftdi_determine_type(struct usb_serial_port *port)
1519{
1520	struct ftdi_private *priv = usb_get_serial_port_data(port);
1521	struct usb_serial *serial = port->serial;
1522	struct usb_device *udev = serial->dev;
1523	unsigned version;
1524	unsigned interfaces;
1525
1526	/* Assume it is not the original SIO device for now. */
1527	priv->baud_base = 48000000 / 2;
1528
1529	version = le16_to_cpu(udev->descriptor.bcdDevice);
1530	interfaces = udev->actconfig->desc.bNumInterfaces;
1531	dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1532		version, interfaces);
1533	if (interfaces > 1) {
1534		int inter;
1535
1536		/* Multiple interfaces.*/
1537		if (version == 0x0800) {
1538			priv->chip_type = FT4232H;
1539			/* Hi-speed - baud clock runs at 120MHz */
1540			priv->baud_base = 120000000 / 2;
1541		} else if (version == 0x0700) {
1542			priv->chip_type = FT2232H;
1543			/* Hi-speed - baud clock runs at 120MHz */
1544			priv->baud_base = 120000000 / 2;
1545		} else
1546			priv->chip_type = FT2232C;
1547
1548		/* Determine interface code. */
1549		inter = serial->interface->altsetting->desc.bInterfaceNumber;
1550		if (inter == 0) {
1551			priv->interface = INTERFACE_A;
1552		} else  if (inter == 1) {
1553			priv->interface = INTERFACE_B;
1554		} else  if (inter == 2) {
1555			priv->interface = INTERFACE_C;
1556		} else  if (inter == 3) {
1557			priv->interface = INTERFACE_D;
1558		}
1559		/* BM-type devices have a bug where bcdDevice gets set
1560		 * to 0x200 when iSerialNumber is 0.  */
1561		if (version < 0x500) {
1562			dev_dbg(&port->dev,
1563				"%s: something fishy - bcdDevice too low for multi-interface device\n",
1564				__func__);
1565		}
1566	} else if (version < 0x200) {
1567		/* Old device.  Assume it's the original SIO. */
1568		priv->chip_type = SIO;
1569		priv->baud_base = 12000000 / 16;
1570	} else if (version < 0x400) {
1571		/* Assume it's an FT8U232AM (or FT8U245AM) */
1572		/* (It might be a BM because of the iSerialNumber bug,
1573		 * but it will still work as an AM device.) */
1574		priv->chip_type = FT8U232AM;
1575	} else if (version < 0x600) {
1576		/* Assume it's an FT232BM (or FT245BM) */
1577		priv->chip_type = FT232BM;
1578	} else if (version < 0x900) {
1579		/* Assume it's an FT232RL */
1580		priv->chip_type = FT232RL;
1581	} else if (version < 0x1000) {
1582		/* Assume it's an FT232H */
1583		priv->chip_type = FT232H;
1584	} else {
1585		/* Assume it's an FT-X series device */
1586		priv->chip_type = FTX;
1587	}
1588
1589	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1590}
1591
1592
1593/*
1594 * Determine the maximum packet size for the device. This depends on the chip
1595 * type and the USB host capabilities. The value should be obtained from the
1596 * device descriptor as the chip will use the appropriate values for the host.
1597 */
1598static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1599{
1600	struct ftdi_private *priv = usb_get_serial_port_data(port);
1601	struct usb_interface *interface = port->serial->interface;
1602	struct usb_endpoint_descriptor *ep_desc;
1603	unsigned num_endpoints;
1604	unsigned i;
1605
1606	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1607	if (!num_endpoints)
1608		return;
1609
1610	/*
1611	 * NOTE: Some customers have programmed FT232R/FT245R devices
1612	 * with an endpoint size of 0 - not good. In this case, we
1613	 * want to override the endpoint descriptor setting and use a
1614	 * value of 64 for wMaxPacketSize.
1615	 */
1616	for (i = 0; i < num_endpoints; i++) {
1617		ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1618		if (!ep_desc->wMaxPacketSize) {
1619			ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1620			dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1621					usb_endpoint_num(ep_desc));
1622		}
1623	}
1624
1625	/* Set max packet size based on last descriptor. */
1626	priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1627}
1628
1629
1630/*
1631 * ***************************************************************************
1632 * Sysfs Attribute
1633 * ***************************************************************************
1634 */
1635
1636static ssize_t latency_timer_show(struct device *dev,
1637				  struct device_attribute *attr, char *buf)
1638{
1639	struct usb_serial_port *port = to_usb_serial_port(dev);
1640	struct ftdi_private *priv = usb_get_serial_port_data(port);
1641	if (priv->flags & ASYNC_LOW_LATENCY)
1642		return sprintf(buf, "1\n");
1643	else
1644		return sprintf(buf, "%i\n", priv->latency);
1645}
1646
1647/* Write a new value of the latency timer, in units of milliseconds. */
1648static ssize_t latency_timer_store(struct device *dev,
1649				   struct device_attribute *attr,
1650				   const char *valbuf, size_t count)
1651{
1652	struct usb_serial_port *port = to_usb_serial_port(dev);
1653	struct ftdi_private *priv = usb_get_serial_port_data(port);
1654	int v = simple_strtoul(valbuf, NULL, 10);
1655	int rv;
1656
1657	priv->latency = v;
1658	rv = write_latency_timer(port);
1659	if (rv < 0)
1660		return -EIO;
1661	return count;
1662}
1663static DEVICE_ATTR_RW(latency_timer);
1664
1665/* Write an event character directly to the FTDI register.  The ASCII
1666   value is in the low 8 bits, with the enable bit in the 9th bit. */
1667static ssize_t store_event_char(struct device *dev,
1668	struct device_attribute *attr, const char *valbuf, size_t count)
1669{
1670	struct usb_serial_port *port = to_usb_serial_port(dev);
1671	struct ftdi_private *priv = usb_get_serial_port_data(port);
1672	struct usb_device *udev = port->serial->dev;
1673	int v = simple_strtoul(valbuf, NULL, 10);
1674	int rv;
1675
1676	dev_dbg(&port->dev, "%s: setting event char = %i\n", __func__, v);
1677
1678	rv = usb_control_msg(udev,
1679			     usb_sndctrlpipe(udev, 0),
1680			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1681			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1682			     v, priv->interface,
1683			     NULL, 0, WDR_TIMEOUT);
1684	if (rv < 0) {
1685		dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1686		return -EIO;
1687	}
1688
1689	return count;
1690}
1691static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1692
1693static int create_sysfs_attrs(struct usb_serial_port *port)
1694{
1695	struct ftdi_private *priv = usb_get_serial_port_data(port);
1696	int retval = 0;
1697
1698	/* XXX I've no idea if the original SIO supports the event_char
1699	 * sysfs parameter, so I'm playing it safe.  */
1700	if (priv->chip_type != SIO) {
1701		dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1702		retval = device_create_file(&port->dev, &dev_attr_event_char);
1703		if ((!retval) &&
1704		    (priv->chip_type == FT232BM ||
1705		     priv->chip_type == FT2232C ||
1706		     priv->chip_type == FT232RL ||
1707		     priv->chip_type == FT2232H ||
1708		     priv->chip_type == FT4232H ||
1709		     priv->chip_type == FT232H ||
1710		     priv->chip_type == FTX)) {
1711			retval = device_create_file(&port->dev,
1712						    &dev_attr_latency_timer);
1713		}
1714	}
1715	return retval;
1716}
1717
1718static void remove_sysfs_attrs(struct usb_serial_port *port)
1719{
1720	struct ftdi_private *priv = usb_get_serial_port_data(port);
1721
1722	/* XXX see create_sysfs_attrs */
1723	if (priv->chip_type != SIO) {
1724		device_remove_file(&port->dev, &dev_attr_event_char);
1725		if (priv->chip_type == FT232BM ||
1726		    priv->chip_type == FT2232C ||
1727		    priv->chip_type == FT232RL ||
1728		    priv->chip_type == FT2232H ||
1729		    priv->chip_type == FT4232H ||
1730		    priv->chip_type == FT232H ||
1731		    priv->chip_type == FTX) {
1732			device_remove_file(&port->dev, &dev_attr_latency_timer);
1733		}
1734	}
1735
1736}
1737
1738/*
1739 * ***************************************************************************
1740 * FTDI driver specific functions
1741 * ***************************************************************************
1742 */
1743
1744/* Probe function to check for special devices */
1745static int ftdi_sio_probe(struct usb_serial *serial,
1746					const struct usb_device_id *id)
1747{
1748	struct ftdi_sio_quirk *quirk =
1749				(struct ftdi_sio_quirk *)id->driver_info;
1750
1751	if (quirk && quirk->probe) {
1752		int ret = quirk->probe(serial);
1753		if (ret != 0)
1754			return ret;
1755	}
1756
1757	usb_set_serial_data(serial, (void *)id->driver_info);
1758
1759	return 0;
1760}
1761
1762static int ftdi_sio_port_probe(struct usb_serial_port *port)
1763{
1764	struct ftdi_private *priv;
1765	struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1766
1767
1768	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1769	if (!priv)
1770		return -ENOMEM;
1771
1772	mutex_init(&priv->cfg_lock);
1773
1774	priv->flags = ASYNC_LOW_LATENCY;
1775
1776	if (quirk && quirk->port_probe)
1777		quirk->port_probe(priv);
1778
1779	usb_set_serial_port_data(port, priv);
1780
1781	ftdi_determine_type(port);
1782	ftdi_set_max_packet_size(port);
1783	if (read_latency_timer(port) < 0)
1784		priv->latency = 16;
1785	write_latency_timer(port);
1786	create_sysfs_attrs(port);
1787	return 0;
1788}
1789
1790/* Setup for the USB-UIRT device, which requires hardwired
1791 * baudrate (38400 gets mapped to 312500) */
1792/* Called from usbserial:serial_probe */
1793static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1794{
1795	priv->flags |= ASYNC_SPD_CUST;
1796	priv->custom_divisor = 77;
1797	priv->force_baud = 38400;
1798}
1799
1800/* Setup for the HE-TIRA1 device, which requires hardwired
1801 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1802
1803static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1804{
1805	priv->flags |= ASYNC_SPD_CUST;
1806	priv->custom_divisor = 240;
1807	priv->force_baud = 38400;
1808	priv->force_rtscts = 1;
1809}
1810
1811/*
1812 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1813 * If this value is not set in /etc/modprobe.d/ its value will be set
1814 * to 1ms.
1815 */
1816static int ndi_latency_timer = 1;
1817
1818/* Setup for the NDI FTDI-based USB devices, which requires hardwired
1819 * baudrate (19200 gets mapped to 1200000).
1820 *
1821 * Called from usbserial:serial_probe.
1822 */
1823static int ftdi_NDI_device_setup(struct usb_serial *serial)
1824{
1825	struct usb_device *udev = serial->dev;
1826	int latency = ndi_latency_timer;
1827
1828	if (latency == 0)
1829		latency = 1;
1830	if (latency > 99)
1831		latency = 99;
1832
1833	dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
1834	dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
1835
1836	/* FIXME: errors are not returned */
1837	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1838				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1839				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1840				latency, 0, NULL, 0, WDR_TIMEOUT);
1841	return 0;
1842}
1843
1844/*
1845 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1846 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1847 * userspace using openocd.
1848 */
1849static int ftdi_jtag_probe(struct usb_serial *serial)
1850{
1851	struct usb_device *udev = serial->dev;
1852	struct usb_interface *interface = serial->interface;
1853
1854	if (interface == udev->actconfig->interface[0]) {
1855		dev_info(&udev->dev,
1856			 "Ignoring serial port reserved for JTAG\n");
1857		return -ENODEV;
1858	}
1859
1860	return 0;
1861}
1862
1863static int ftdi_8u2232c_probe(struct usb_serial *serial)
1864{
1865	struct usb_device *udev = serial->dev;
1866
1867	if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) ||
1868	    (udev->product && !strcmp(udev->product, "BeagleBone/XDS100V2")))
1869		return ftdi_jtag_probe(serial);
1870
1871	return 0;
1872}
1873
1874/*
1875 * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
1876 * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
1877 * can be accessed from userspace.
1878 * The next two ports are enabled as UARTs by default, where port 2 is
1879 * a conventional RS-232 UART.
1880 */
1881static int ftdi_stmclite_probe(struct usb_serial *serial)
1882{
1883	struct usb_device *udev = serial->dev;
1884	struct usb_interface *interface = serial->interface;
1885
1886	if (interface == udev->actconfig->interface[0] ||
1887	    interface == udev->actconfig->interface[1]) {
1888		dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1889		return -ENODEV;
1890	}
1891
1892	return 0;
1893}
1894
1895static int ftdi_sio_port_remove(struct usb_serial_port *port)
1896{
1897	struct ftdi_private *priv = usb_get_serial_port_data(port);
1898
1899	remove_sysfs_attrs(port);
1900
1901	kfree(priv);
1902
1903	return 0;
1904}
1905
1906static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1907{
1908	struct usb_device *dev = port->serial->dev;
1909	struct ftdi_private *priv = usb_get_serial_port_data(port);
1910
1911	/* No error checking for this (will get errors later anyway) */
1912	/* See ftdi_sio.h for description of what is reset */
1913	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1914			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1915			FTDI_SIO_RESET_SIO,
1916			priv->interface, NULL, 0, WDR_TIMEOUT);
1917
1918	/* Termios defaults are set by usb_serial_init. We don't change
1919	   port->tty->termios - this would lose speed settings, etc.
1920	   This is same behaviour as serial.c/rs_open() - Kuba */
1921
1922	/* ftdi_set_termios  will send usb control messages */
1923	if (tty)
1924		ftdi_set_termios(tty, port, NULL);
1925
1926	return usb_serial_generic_open(tty, port);
1927}
1928
1929static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1930{
1931	struct ftdi_private *priv = usb_get_serial_port_data(port);
1932
1933	/* Disable flow control */
1934	if (!on) {
1935		if (usb_control_msg(port->serial->dev,
1936			    usb_sndctrlpipe(port->serial->dev, 0),
1937			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1938			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1939			    0, priv->interface, NULL, 0,
1940			    WDR_TIMEOUT) < 0) {
1941			dev_err(&port->dev, "error from flowcontrol urb\n");
1942		}
1943	}
1944	/* drop RTS and DTR */
1945	if (on)
1946		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1947	else
1948		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1949}
1950
1951/* The SIO requires the first byte to have:
1952 *  B0 1
1953 *  B1 0
1954 *  B2..7 length of message excluding byte 0
1955 *
1956 * The new devices do not require this byte
1957 */
1958static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1959						void *dest, size_t size)
1960{
1961	struct ftdi_private *priv;
1962	int count;
1963	unsigned long flags;
1964
1965	priv = usb_get_serial_port_data(port);
1966
1967	if (priv->chip_type == SIO) {
1968		unsigned char *buffer = dest;
1969		int i, len, c;
1970
1971		count = 0;
1972		spin_lock_irqsave(&port->lock, flags);
1973		for (i = 0; i < size - 1; i += priv->max_packet_size) {
1974			len = min_t(int, size - i, priv->max_packet_size) - 1;
1975			c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1976			if (!c)
1977				break;
1978			port->icount.tx += c;
1979			buffer[i] = (c << 2) + 1;
1980			count += c + 1;
1981		}
1982		spin_unlock_irqrestore(&port->lock, flags);
1983	} else {
1984		count = kfifo_out_locked(&port->write_fifo, dest, size,
1985								&port->lock);
1986		port->icount.tx += count;
1987	}
1988
1989	return count;
1990}
1991
1992#define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1993
1994static int ftdi_process_packet(struct usb_serial_port *port,
1995		struct ftdi_private *priv, char *packet, int len)
1996{
1997	int i;
1998	char status;
1999	char flag;
2000	char *ch;
2001
2002	if (len < 2) {
2003		dev_dbg(&port->dev, "malformed packet\n");
2004		return 0;
2005	}
2006
2007	/* Compare new line status to the old one, signal if different/
2008	   N.B. packet may be processed more than once, but differences
2009	   are only processed once.  */
2010	status = packet[0] & FTDI_STATUS_B0_MASK;
2011	if (status != priv->prev_status) {
2012		char diff_status = status ^ priv->prev_status;
2013
2014		if (diff_status & FTDI_RS0_CTS)
2015			port->icount.cts++;
2016		if (diff_status & FTDI_RS0_DSR)
2017			port->icount.dsr++;
2018		if (diff_status & FTDI_RS0_RI)
2019			port->icount.rng++;
2020		if (diff_status & FTDI_RS0_RLSD) {
2021			struct tty_struct *tty;
2022
2023			port->icount.dcd++;
2024			tty = tty_port_tty_get(&port->port);
2025			if (tty)
2026				usb_serial_handle_dcd_change(port, tty,
2027						status & FTDI_RS0_RLSD);
2028			tty_kref_put(tty);
2029		}
2030
2031		wake_up_interruptible(&port->port.delta_msr_wait);
2032		priv->prev_status = status;
2033	}
2034
2035	flag = TTY_NORMAL;
2036	if (packet[1] & FTDI_RS_ERR_MASK) {
2037		/* Break takes precedence over parity, which takes precedence
2038		 * over framing errors */
2039		if (packet[1] & FTDI_RS_BI) {
2040			flag = TTY_BREAK;
2041			port->icount.brk++;
2042			usb_serial_handle_break(port);
2043		} else if (packet[1] & FTDI_RS_PE) {
2044			flag = TTY_PARITY;
2045			port->icount.parity++;
2046		} else if (packet[1] & FTDI_RS_FE) {
2047			flag = TTY_FRAME;
2048			port->icount.frame++;
2049		}
2050		/* Overrun is special, not associated with a char */
2051		if (packet[1] & FTDI_RS_OE) {
2052			port->icount.overrun++;
2053			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2054		}
2055	}
2056
2057	/* save if the transmitter is empty or not */
2058	if (packet[1] & FTDI_RS_TEMT)
2059		priv->transmit_empty = 1;
2060	else
2061		priv->transmit_empty = 0;
2062
2063	len -= 2;
2064	if (!len)
2065		return 0;	/* status only */
2066	port->icount.rx += len;
2067	ch = packet + 2;
2068
2069	if (port->port.console && port->sysrq) {
2070		for (i = 0; i < len; i++, ch++) {
2071			if (!usb_serial_handle_sysrq_char(port, *ch))
2072				tty_insert_flip_char(&port->port, *ch, flag);
2073		}
2074	} else {
2075		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
2076	}
2077
2078	return len;
2079}
2080
2081static void ftdi_process_read_urb(struct urb *urb)
2082{
2083	struct usb_serial_port *port = urb->context;
2084	struct ftdi_private *priv = usb_get_serial_port_data(port);
2085	char *data = (char *)urb->transfer_buffer;
2086	int i;
2087	int len;
2088	int count = 0;
2089
2090	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2091		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2092		count += ftdi_process_packet(port, priv, &data[i], len);
2093	}
2094
2095	if (count)
2096		tty_flip_buffer_push(&port->port);
2097}
2098
2099static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2100{
2101	struct usb_serial_port *port = tty->driver_data;
2102	struct ftdi_private *priv = usb_get_serial_port_data(port);
2103	__u16 urb_value;
2104
2105	/* break_state = -1 to turn on break, and 0 to turn off break */
2106	/* see drivers/char/tty_io.c to see it used */
2107	/* last_set_data_urb_value NEVER has the break bit set in it */
2108
2109	if (break_state)
2110		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2111	else
2112		urb_value = priv->last_set_data_urb_value;
2113
2114	if (usb_control_msg(port->serial->dev,
2115			usb_sndctrlpipe(port->serial->dev, 0),
2116			FTDI_SIO_SET_DATA_REQUEST,
2117			FTDI_SIO_SET_DATA_REQUEST_TYPE,
2118			urb_value , priv->interface,
2119			NULL, 0, WDR_TIMEOUT) < 0) {
2120		dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2121			__func__, break_state);
2122	}
2123
2124	dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2125		break_state, urb_value);
2126
2127}
2128
2129static bool ftdi_tx_empty(struct usb_serial_port *port)
2130{
2131	unsigned char buf[2];
2132	int ret;
2133
2134	ret = ftdi_get_modem_status(port, buf);
2135	if (ret == 2) {
2136		if (!(buf[1] & FTDI_RS_TEMT))
2137			return false;
2138	}
2139
2140	return true;
2141}
2142
2143/* old_termios contains the original termios settings and tty->termios contains
2144 * the new setting to be used
2145 * WARNING: set_termios calls this with old_termios in kernel space
2146 */
2147static void ftdi_set_termios(struct tty_struct *tty,
2148		struct usb_serial_port *port, struct ktermios *old_termios)
2149{
2150	struct usb_device *dev = port->serial->dev;
2151	struct device *ddev = &port->dev;
2152	struct ftdi_private *priv = usb_get_serial_port_data(port);
2153	struct ktermios *termios = &tty->termios;
2154	unsigned int cflag = termios->c_cflag;
2155	__u16 urb_value; /* will hold the new flags */
2156
2157	/* Added for xon/xoff support */
2158	unsigned int iflag = termios->c_iflag;
2159	unsigned char vstop;
2160	unsigned char vstart;
2161
2162	/* Force baud rate if this device requires it, unless it is set to
2163	   B0. */
2164	if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2165		dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2166		tty_encode_baud_rate(tty, priv->force_baud,
2167					priv->force_baud);
2168	}
2169
2170	/* Force RTS-CTS if this device requires it. */
2171	if (priv->force_rtscts) {
2172		dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2173		termios->c_cflag |= CRTSCTS;
2174	}
2175
2176	/*
2177	 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2178	 * support CS5/6 and revert the CSIZE setting instead.
2179	 *
2180	 * CS5 however is used to control some smartcard readers which abuse
2181	 * this limitation to switch modes. Original FTDI chips fall back to
2182	 * eight data bits.
2183	 *
2184	 * TODO: Implement a quirk to only allow this with mentioned
2185	 *       readers. One I know of (Argolis Smartreader V1)
2186	 *       returns "USB smartcard server" as iInterface string.
2187	 *       The vendor didn't bother with a custom VID/PID of
2188	 *       course.
2189	 */
2190	if (C_CSIZE(tty) == CS6) {
2191		dev_warn(ddev, "requested CSIZE setting not supported\n");
2192
2193		termios->c_cflag &= ~CSIZE;
2194		if (old_termios)
2195			termios->c_cflag |= old_termios->c_cflag & CSIZE;
2196		else
2197			termios->c_cflag |= CS8;
2198	}
2199
2200	cflag = termios->c_cflag;
2201
2202	if (!old_termios)
2203		goto no_skip;
2204
2205	if (old_termios->c_cflag == termios->c_cflag
2206	    && old_termios->c_ispeed == termios->c_ispeed
2207	    && old_termios->c_ospeed == termios->c_ospeed)
2208		goto no_c_cflag_changes;
2209
2210	/* NOTE These routines can get interrupted by
2211	   ftdi_sio_read_bulk_callback  - need to examine what this means -
2212	   don't see any problems yet */
2213
2214	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2215	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2216		goto no_data_parity_stop_changes;
2217
2218no_skip:
2219	/* Set number of data bits, parity, stop bits */
2220
2221	urb_value = 0;
2222	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2223		      FTDI_SIO_SET_DATA_STOP_BITS_1);
2224	if (cflag & PARENB) {
2225		if (cflag & CMSPAR)
2226			urb_value |= cflag & PARODD ?
2227				     FTDI_SIO_SET_DATA_PARITY_MARK :
2228				     FTDI_SIO_SET_DATA_PARITY_SPACE;
2229		else
2230			urb_value |= cflag & PARODD ?
2231				     FTDI_SIO_SET_DATA_PARITY_ODD :
2232				     FTDI_SIO_SET_DATA_PARITY_EVEN;
2233	} else {
2234		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2235	}
2236	switch (cflag & CSIZE) {
2237	case CS5:
2238		dev_dbg(ddev, "Setting CS5 quirk\n");
2239		break;
2240	case CS7:
2241		urb_value |= 7;
2242		dev_dbg(ddev, "Setting CS7\n");
2243		break;
2244	default:
2245	case CS8:
2246		urb_value |= 8;
2247		dev_dbg(ddev, "Setting CS8\n");
2248		break;
2249	}
2250
2251	/* This is needed by the break command since it uses the same command
2252	   - but is or'ed with this value  */
2253	priv->last_set_data_urb_value = urb_value;
2254
2255	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2256			    FTDI_SIO_SET_DATA_REQUEST,
2257			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
2258			    urb_value , priv->interface,
2259			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2260		dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2261			__func__);
2262	}
2263
2264	/* Now do the baudrate */
2265no_data_parity_stop_changes:
2266	if ((cflag & CBAUD) == B0) {
2267		/* Disable flow control */
2268		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2269				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2270				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2271				    0, priv->interface,
2272				    NULL, 0, WDR_TIMEOUT) < 0) {
2273			dev_err(ddev, "%s error from disable flowcontrol urb\n",
2274				__func__);
2275		}
2276		/* Drop RTS and DTR */
2277		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2278	} else {
2279		/* set the baudrate determined before */
2280		mutex_lock(&priv->cfg_lock);
2281		if (change_speed(tty, port))
2282			dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2283		mutex_unlock(&priv->cfg_lock);
2284		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
2285		if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2286			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2287	}
2288
2289	/* Set flow control */
2290	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2291no_c_cflag_changes:
2292	if (cflag & CRTSCTS) {
2293		dev_dbg(ddev, "%s Setting to CRTSCTS flow control\n", __func__);
2294		if (usb_control_msg(dev,
2295				    usb_sndctrlpipe(dev, 0),
2296				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2297				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2298				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2299				    NULL, 0, WDR_TIMEOUT) < 0) {
2300			dev_err(ddev, "urb failed to set to rts/cts flow control\n");
2301		}
2302	} else {
2303		/*
2304		 * Xon/Xoff code
2305		 *
2306		 * Check the IXOFF status in the iflag component of the
2307		 * termios structure. If IXOFF is not set, the pre-xon/xoff
2308		 * code is executed.
2309		 */
2310		if (iflag & IXOFF) {
2311			dev_dbg(ddev, "%s  request to enable xonxoff iflag=%04x\n",
2312				__func__, iflag);
2313			/* Try to enable the XON/XOFF on the ftdi_sio
2314			 * Set the vstart and vstop -- could have been done up
2315			 * above where a lot of other dereferencing is done but
2316			 * that would be very inefficient as vstart and vstop
2317			 * are not always needed.
2318			 */
2319			vstart = termios->c_cc[VSTART];
2320			vstop = termios->c_cc[VSTOP];
2321			urb_value = (vstop << 8) | (vstart);
2322
2323			if (usb_control_msg(dev,
2324					    usb_sndctrlpipe(dev, 0),
2325					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2326					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2327					    urb_value , (FTDI_SIO_XON_XOFF_HS
2328							 | priv->interface),
2329					    NULL, 0, WDR_TIMEOUT) < 0) {
2330				dev_err(&port->dev, "urb failed to set to "
2331					"xon/xoff flow control\n");
2332			}
2333		} else {
2334			/* else clause to only run if cflag ! CRTSCTS and iflag
2335			 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2336			 * stack - not by device */
2337			dev_dbg(ddev, "%s Turning off hardware flow control\n", __func__);
2338			if (usb_control_msg(dev,
2339					    usb_sndctrlpipe(dev, 0),
2340					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2341					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2342					    0, priv->interface,
2343					    NULL, 0, WDR_TIMEOUT) < 0) {
2344				dev_err(ddev, "urb failed to clear flow control\n");
2345			}
2346		}
2347	}
2348}
2349
2350/*
2351 * Get modem-control status.
2352 *
2353 * Returns the number of status bytes retrieved (device dependant), or
2354 * negative error code.
2355 */
2356static int ftdi_get_modem_status(struct usb_serial_port *port,
2357						unsigned char status[2])
2358{
2359	struct ftdi_private *priv = usb_get_serial_port_data(port);
2360	unsigned char *buf;
2361	int len;
2362	int ret;
2363
2364	buf = kmalloc(2, GFP_KERNEL);
2365	if (!buf)
2366		return -ENOMEM;
2367	/*
2368	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2369	 * the same format as the data returned from the in point.
2370	 */
2371	switch (priv->chip_type) {
2372	case SIO:
2373		len = 1;
2374		break;
2375	case FT8U232AM:
2376	case FT232BM:
2377	case FT2232C:
2378	case FT232RL:
2379	case FT2232H:
2380	case FT4232H:
2381	case FT232H:
2382	case FTX:
2383		len = 2;
2384		break;
2385	default:
2386		ret = -EFAULT;
2387		goto out;
2388	}
2389
2390	ret = usb_control_msg(port->serial->dev,
2391			usb_rcvctrlpipe(port->serial->dev, 0),
2392			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2393			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2394			0, priv->interface,
2395			buf, len, WDR_TIMEOUT);
2396	if (ret < 0) {
2397		dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2398		ret = usb_translate_errors(ret);
2399		goto out;
2400	}
2401
2402	status[0] = buf[0];
2403	if (ret > 1)
2404		status[1] = buf[1];
2405	else
2406		status[1] = 0;
2407
2408	dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2409								status[1]);
2410out:
2411	kfree(buf);
2412
2413	return ret;
2414}
2415
2416static int ftdi_tiocmget(struct tty_struct *tty)
2417{
2418	struct usb_serial_port *port = tty->driver_data;
2419	struct ftdi_private *priv = usb_get_serial_port_data(port);
2420	unsigned char buf[2];
2421	int ret;
2422
2423	ret = ftdi_get_modem_status(port, buf);
2424	if (ret < 0)
2425		return ret;
2426
2427	ret =	(buf[0] & FTDI_SIO_DSR_MASK  ? TIOCM_DSR : 0) |
2428		(buf[0] & FTDI_SIO_CTS_MASK  ? TIOCM_CTS : 0) |
2429		(buf[0] & FTDI_SIO_RI_MASK   ? TIOCM_RI  : 0) |
2430		(buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2431		priv->last_dtr_rts;
2432
2433	return ret;
2434}
2435
2436static int ftdi_tiocmset(struct tty_struct *tty,
2437			unsigned int set, unsigned int clear)
2438{
2439	struct usb_serial_port *port = tty->driver_data;
2440
2441	return update_mctrl(port, set, clear);
2442}
2443
2444static int ftdi_ioctl(struct tty_struct *tty,
2445					unsigned int cmd, unsigned long arg)
2446{
2447	struct usb_serial_port *port = tty->driver_data;
2448
2449	/* Based on code from acm.c and others */
2450	switch (cmd) {
2451
2452	case TIOCGSERIAL: /* gets serial port data */
2453		return get_serial_info(port,
2454					(struct serial_struct __user *) arg);
2455
2456	case TIOCSSERIAL: /* sets serial port data */
2457		return set_serial_info(tty, port,
2458					(struct serial_struct __user *) arg);
2459	case TIOCSERGETLSR:
2460		return get_lsr_info(port, (struct serial_struct __user *)arg);
2461		break;
2462	default:
2463		break;
2464	}
2465
2466	return -ENOIOCTLCMD;
2467}
2468
2469module_usb_serial_driver(serial_drivers, id_table_combined);
2470
2471MODULE_AUTHOR(DRIVER_AUTHOR);
2472MODULE_DESCRIPTION(DRIVER_DESC);
2473MODULE_LICENSE("GPL");
2474
2475module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2476MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2477