1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * USB FTDI SIO driver
4 *
5 * Copyright (C) 2009 - 2013
6 * Johan Hovold (jhovold@gmail.com)
7 * Copyright (C) 1999 - 2001
8 * Greg Kroah-Hartman (greg@kroah.com)
9 * Bill Ryder (bryder@sgi.com)
10 * Copyright (C) 2002
11 * Kuba Ober (kuba@mareimbrium.org)
12 *
13 * See Documentation/usb/usb-serial.rst for more information on using this
14 * driver
15 *
16 * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
17 * and extra documentation
18 *
19 * Change entries from 2004 and earlier can be found in versions of this
20 * file in kernel versions prior to the 2.6.24 release.
21 *
22 */
23
24 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
25 /* Thanx to FTDI for so kindly providing details of the protocol required */
26 /* to talk to the device */
27 /* Thanx to gkh and the rest of the usb dev group for all code I have
28 assimilated :-) */
29
30 #include <linux/kernel.h>
31 #include <linux/errno.h>
32 #include <linux/slab.h>
33 #include <linux/tty.h>
34 #include <linux/tty_driver.h>
35 #include <linux/tty_flip.h>
36 #include <linux/module.h>
37 #include <linux/spinlock.h>
38 #include <linux/mutex.h>
39 #include <linux/uaccess.h>
40 #include <linux/usb.h>
41 #include <linux/serial.h>
42 #include <linux/gpio/driver.h>
43 #include <linux/usb/serial.h>
44 #include "ftdi_sio.h"
45 #include "ftdi_sio_ids.h"
46
47 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>"
48 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
49
50
51 struct ftdi_private {
52 enum ftdi_chip_type chip_type;
53 /* type of device, either SIO or FT8U232AM */
54 int baud_base; /* baud base clock for divisor setting */
55 int custom_divisor; /* custom_divisor kludge, this is for
56 baud_base (different from what goes to the
57 chip!) */
58 u16 last_set_data_value; /* the last data state set - needed for doing
59 * a break
60 */
61 int flags; /* some ASYNC_xxxx flags are supported */
62 unsigned long last_dtr_rts; /* saved modem control outputs */
63 char prev_status; /* Used for TIOCMIWAIT */
64 char transmit_empty; /* If transmitter is empty or not */
65 u16 interface; /* FT2232C, FT2232H or FT4232H port interface
66 (0 for FT232/245) */
67
68 speed_t force_baud; /* if non-zero, force the baud rate to
69 this value */
70 int force_rtscts; /* if non-zero, force RTS-CTS to always
71 be enabled */
72
73 unsigned int latency; /* latency setting in use */
74 unsigned short max_packet_size;
75 struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
76 #ifdef CONFIG_GPIOLIB
77 struct gpio_chip gc;
78 struct mutex gpio_lock; /* protects GPIO state */
79 bool gpio_registered; /* is the gpiochip in kernel registered */
80 bool gpio_used; /* true if the user requested a gpio */
81 u8 gpio_altfunc; /* which pins are in gpio mode */
82 u8 gpio_output; /* pin directions cache */
83 u8 gpio_value; /* pin value for outputs */
84 #endif
85 };
86
87 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
88 struct ftdi_sio_quirk {
89 int (*probe)(struct usb_serial *);
90 /* Special settings for probed ports. */
91 void (*port_probe)(struct ftdi_private *);
92 };
93
94 static int ftdi_jtag_probe(struct usb_serial *serial);
95 static int ftdi_NDI_device_setup(struct usb_serial *serial);
96 static int ftdi_stmclite_probe(struct usb_serial *serial);
97 static int ftdi_8u2232c_probe(struct usb_serial *serial);
98 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
99 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
100
101 static const struct ftdi_sio_quirk ftdi_jtag_quirk = {
102 .probe = ftdi_jtag_probe,
103 };
104
105 static const struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
106 .probe = ftdi_NDI_device_setup,
107 };
108
109 static const struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
110 .port_probe = ftdi_USB_UIRT_setup,
111 };
112
113 static const struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
114 .port_probe = ftdi_HE_TIRA1_setup,
115 };
116
117 static const struct ftdi_sio_quirk ftdi_stmclite_quirk = {
118 .probe = ftdi_stmclite_probe,
119 };
120
121 static const struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
122 .probe = ftdi_8u2232c_probe,
123 };
124
125 /*
126 * The 8U232AM has the same API as the sio except for:
127 * - it can support MUCH higher baudrates; up to:
128 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
129 * o 230400 at 12MHz
130 * so .. 8U232AM's baudrate setting codes are different
131 * - it has a two byte status code.
132 * - it returns characters every 16ms (the FTDI does it every 40ms)
133 *
134 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
135 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
136 * combinations in both tables.
137 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
138 * but I don't know if those ever went into mass production. [Ian Abbott]
139 */
140
141
142
143 /*
144 * Device ID not listed? Test it using
145 * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
146 */
147 static const struct usb_device_id id_table_combined[] = {
148 { USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
149 { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
150 { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
151 { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
152 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
153 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
154 { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
155 { USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
156 { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
157 { USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
158 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
159 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
160 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
161 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
162 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
163 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
164 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
165 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
166 { USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
167 { USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
168 { USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
169 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
170 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
173 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
174 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
175 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
176 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
177 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
178 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
179 .driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
180 { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
181 { USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
182 { USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
183 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
184 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
185 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
186 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
187 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
188 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
189 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
190 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
191 { USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
192 { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
193 { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
194 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
195 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
196 { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
197 { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
198 { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
199 { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
200 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
201 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
202 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
203 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
204 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
205 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
206 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
207 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
208 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
209 { USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
210 { USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
211 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
212 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
213 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
214 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
215 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
216 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
217 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
218 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
219 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
220 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
221 { USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
222 { USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) },
223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
227 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
233 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
239 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
241 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
242 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
244 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
245 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
247 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
248 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
250 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
254 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID) },
263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID) },
268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
273 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
275 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
277 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
279 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
281 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
283 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
285 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
287 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
288 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
289 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
290 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
291 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
292 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
293 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
294 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
295 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
296 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
297 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
298 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
300 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
302 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
304 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID) },
307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID) },
308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID) },
309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID) },
310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID) },
311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID) },
312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
451 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
452 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
453 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
454 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
455 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
456 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
457 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
458 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
459 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
460 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
461 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
462 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
463 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
464 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
465 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
466 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
467 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
468 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
469 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
470 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
471 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
472 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
473 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
474 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
475 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
476 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
477 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
478 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
479 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
480 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
481 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
482 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
483 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
484 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
485 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
486 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
487 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
488 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
489 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
490 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
491 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
492 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
493 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
494 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
495 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
496 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
497 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
498 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
499 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
500 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
501 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
502 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
503 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
504 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
505 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
506 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
507 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
508 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
509 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
510 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
511 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
512 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
513 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
514 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
515 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
516 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
517 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
518 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
519 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
520 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
521 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
522 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
523 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
524 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
525 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
526 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
527 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
528 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
529 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
530 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
531 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
532 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
533 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
534 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
535 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
536 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
537 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
538 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
539 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
540 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
541 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
542 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
543 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
544 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
545 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
546 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
547 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
548 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
549 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
550 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
551 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
552 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
553 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
554 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
555 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
556 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
557 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
558 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
559 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
560 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
561 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
562 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
563 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
564 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
565 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
566 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
567 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
568 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
569 { USB_DEVICE(OCT_VID, OCT_DK201_PID) },
570 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
571 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
572 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
573 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
574 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
575 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
576 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
577 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
578 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
579 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
580 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
581 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
582 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
583 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
584 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
585 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
586 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
587 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
588 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
589 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
590 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
591 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
592 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
593 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
594 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
595 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
596 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
597 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
598 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
599 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
600 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
601 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
602 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
603 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
604 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
605 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
606 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
607 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
608 { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
609 { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
610 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
611 { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
612 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
613 { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
614 { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
615 { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) },
616 { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
617 { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
618 { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
619 { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) },
620 { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) },
621 /*
622 * ELV devices:
623 */
624 { USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
625 { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
626 { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
627 { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
628 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
629 { USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
630 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
631 { USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
632 { USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
633 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
634 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
635 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
636 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
637 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
638 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
639 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
640 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
641 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
642 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
643 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
644 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
645 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
646 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
647 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
648 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
649 { USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
650 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
651 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
652 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
653 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
654 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
655 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
656 { USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
657 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
658 { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
659 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
660 { USB_DEVICE(FTDI_VID, FTDI_PALMSENS_PID) },
661 { USB_DEVICE(FTDI_VID, FTDI_IVIUM_XSTAT_PID) },
662 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
663 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
664 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
665 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
666 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
667 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
668 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
669 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
670 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
671 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
672 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
673 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
674 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
675 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
676 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
677 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
678 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
679 { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
680 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
681 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
682 { USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
683 { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
684 { USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
685 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
686 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
687 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
688 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
689 { USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
690 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
691 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
692 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
693 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
694 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
695 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
696 { USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
697 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
698 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
699 { USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
700 { USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
701 { USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
702 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
703 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
704 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
705 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
706 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
707 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
708 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
709 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
710 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
711 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
712 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
713 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
714 { USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
715 { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
716 { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
717 { USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
718 { USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
719 { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
720 { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
721 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
722 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
723 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
724 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
725 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
726 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
727 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
728 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
729 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
730 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
731 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
732 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
733 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
734 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
735 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
736 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
737 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
738 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
739 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
740 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
741 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
742 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
743 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
744 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
745 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
746 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
747 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
748 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
749 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
750 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
751 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
752 { USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
753 { USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
754 { USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
755 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
756 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
757 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
758 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
759 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
760 { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
761 { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
762 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
763 { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
764 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
765 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
766 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
767 { USB_DEVICE(TESTO_VID, TESTO_1_PID) },
768 { USB_DEVICE(TESTO_VID, TESTO_3_PID) },
769 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
770 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
771 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
772 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
773 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
774 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
775 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
776 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
777 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
778 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
779 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
780 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
781 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
782 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
783 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
784 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
785 { USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
786 { USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
787 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
788 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
789 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
790 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
791 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
792 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
793 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
794 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
795 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
796 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
797 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
798 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
799 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
800 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
801 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
802 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
803 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
804 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
805 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
806 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
807 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
808 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
809 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
810 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
811 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
812 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
813 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
814 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
815 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
816 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
817 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
818 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
819 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
820 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
821 { USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
822 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
823 { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
824 { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
825 { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
826 { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
827 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
828 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
829 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
830 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
831 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
832 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
833 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
834 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
835 { USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
836 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
837 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
838 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
839 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
840 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
841 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
842
843 /* Papouch devices based on FTDI chip */
844 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
845 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
846 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
847 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
848 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
849 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
850 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
851 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
852 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
853 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
854 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
855 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
856 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
857 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
858 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
859 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
860 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
861 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
862 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
863 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
864 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
865 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
866 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
867 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
868 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
869 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
870 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
871 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
872
873 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
874 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
875 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
876 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
877 { USB_DEVICE(ATMEL_VID, STK541_PID) },
878 { USB_DEVICE(DE_VID, STB_PID) },
879 { USB_DEVICE(DE_VID, WHT_PID) },
880 { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
881 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
882 { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
883 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
884 { USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
885 USB_CLASS_VENDOR_SPEC,
886 USB_SUBCLASS_VENDOR_SPEC, 0x00) },
887 { USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
888 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
889 { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
890 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
891 { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
892 { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
893 { USB_DEVICE(FTDI_VID, PI_C865_PID) },
894 { USB_DEVICE(FTDI_VID, PI_C857_PID) },
895 { USB_DEVICE(PI_VID, PI_C866_PID) },
896 { USB_DEVICE(PI_VID, PI_C663_PID) },
897 { USB_DEVICE(PI_VID, PI_C725_PID) },
898 { USB_DEVICE(PI_VID, PI_E517_PID) },
899 { USB_DEVICE(PI_VID, PI_C863_PID) },
900 { USB_DEVICE(PI_VID, PI_E861_PID) },
901 { USB_DEVICE(PI_VID, PI_C867_PID) },
902 { USB_DEVICE(PI_VID, PI_E609_PID) },
903 { USB_DEVICE(PI_VID, PI_E709_PID) },
904 { USB_DEVICE(PI_VID, PI_100F_PID) },
905 { USB_DEVICE(PI_VID, PI_1011_PID) },
906 { USB_DEVICE(PI_VID, PI_1012_PID) },
907 { USB_DEVICE(PI_VID, PI_1013_PID) },
908 { USB_DEVICE(PI_VID, PI_1014_PID) },
909 { USB_DEVICE(PI_VID, PI_1015_PID) },
910 { USB_DEVICE(PI_VID, PI_1016_PID) },
911 { USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
912 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
913 { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
914 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
915 { USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
916 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
917 { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
918 { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
919 { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
920 { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
921 { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
922 { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
923 { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
924 { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
925 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
926 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
927 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
928 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
929 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
930 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
931 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
932 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
933 { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
934 { USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
935 { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
936 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
937 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
938 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
939 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
940 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
941 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
942 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
943 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
944 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
945 { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
946 { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
947 { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
948 { USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
949 { USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
950 { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
951 { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
952 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
953 { USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
954 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
955 { USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
956 .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
957 { USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
958 { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
959 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
960 { USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
961 /* Crucible Devices */
962 { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
963 { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
964 /* Cressi Devices */
965 { USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
966 /* Brainboxes Devices */
967 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
968 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
969 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
970 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
971 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
972 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_159_PID) },
973 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
974 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
975 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
976 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
977 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
978 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
979 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
980 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
981 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_235_PID) },
982 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
983 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
984 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
985 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
986 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
987 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
988 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_320_PID) },
989 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
990 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
991 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
992 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
993 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
994 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
995 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
996 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
997 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
998 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
999 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
1000 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
1001 { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
1002 /* ekey Devices */
1003 { USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
1004 /* Infineon Devices */
1005 { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
1006 { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
1007 /* GE Healthcare devices */
1008 { USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
1009 /* Active Research (Actisense) devices */
1010 { USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
1011 { USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
1012 { USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
1013 { USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
1014 { USB_DEVICE(FTDI_VID, ACTISENSE_UID_PID) },
1015 { USB_DEVICE(FTDI_VID, ACTISENSE_USA_PID) },
1016 { USB_DEVICE(FTDI_VID, ACTISENSE_NGX_PID) },
1017 { USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
1018 { USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
1019 { USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
1020 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
1021 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
1022 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
1023 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
1024 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
1025 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
1026 /* Belimo Automation devices */
1027 { USB_DEVICE(FTDI_VID, BELIMO_ZTH_PID) },
1028 { USB_DEVICE(FTDI_VID, BELIMO_ZIP_PID) },
1029 /* ICP DAS I-756xU devices */
1030 { USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
1031 { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
1032 { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
1033 { USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
1034 { USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
1035 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1036 { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
1037 { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
1038 { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
1039 /* EZPrototypes devices */
1040 { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
1041 { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
1042 /* Sienna devices */
1043 { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
1044 { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
1045 /* IDS GmbH devices */
1046 { USB_DEVICE(IDS_VID, IDS_SI31A_PID) },
1047 { USB_DEVICE(IDS_VID, IDS_CM31A_PID) },
1048 /* Omron devices */
1049 { USB_DEVICE(OMRON_VID, OMRON_CS1W_CIF31_PID) },
1050 /* U-Blox devices */
1051 { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
1052 { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
1053 /* FreeCalypso USB adapters */
1054 { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
1055 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1056 { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
1057 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
1058 { } /* Terminating entry */
1059 };
1060
1061 MODULE_DEVICE_TABLE(usb, id_table_combined);
1062
1063 static const char *ftdi_chip_name[] = {
1064 [SIO] = "SIO", /* the serial part of FT8U100AX */
1065 [FT8U232AM] = "FT8U232AM",
1066 [FT232BM] = "FT232BM",
1067 [FT2232C] = "FT2232C",
1068 [FT232RL] = "FT232RL",
1069 [FT2232H] = "FT2232H",
1070 [FT4232H] = "FT4232H",
1071 [FT232H] = "FT232H",
1072 [FTX] = "FT-X"
1073 };
1074
1075
1076 /* Used for TIOCMIWAIT */
1077 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
1078 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
1079 /* End TIOCMIWAIT */
1080
1081 /* function prototypes for a FTDI serial converter */
1082 static int ftdi_sio_probe(struct usb_serial *serial,
1083 const struct usb_device_id *id);
1084 static int ftdi_sio_port_probe(struct usb_serial_port *port);
1085 static void ftdi_sio_port_remove(struct usb_serial_port *port);
1086 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
1087 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
1088 static void ftdi_process_read_urb(struct urb *urb);
1089 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1090 void *dest, size_t size);
1091 static void ftdi_set_termios(struct tty_struct *tty,
1092 struct usb_serial_port *port, struct ktermios *old);
1093 static int ftdi_tiocmget(struct tty_struct *tty);
1094 static int ftdi_tiocmset(struct tty_struct *tty,
1095 unsigned int set, unsigned int clear);
1096 static int ftdi_ioctl(struct tty_struct *tty,
1097 unsigned int cmd, unsigned long arg);
1098 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss);
1099 static int set_serial_info(struct tty_struct *tty,
1100 struct serial_struct *ss);
1101 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1102 static bool ftdi_tx_empty(struct usb_serial_port *port);
1103 static int ftdi_get_modem_status(struct usb_serial_port *port,
1104 unsigned char status[2]);
1105
1106 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1107 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1108 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1109 static u32 ftdi_232bm_baud_to_divisor(int baud);
1110 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1111 static u32 ftdi_2232h_baud_to_divisor(int baud);
1112
1113 static struct usb_serial_driver ftdi_sio_device = {
1114 .driver = {
1115 .owner = THIS_MODULE,
1116 .name = "ftdi_sio",
1117 },
1118 .description = "FTDI USB Serial Device",
1119 .id_table = id_table_combined,
1120 .num_ports = 1,
1121 .bulk_in_size = 512,
1122 .bulk_out_size = 256,
1123 .probe = ftdi_sio_probe,
1124 .port_probe = ftdi_sio_port_probe,
1125 .port_remove = ftdi_sio_port_remove,
1126 .open = ftdi_open,
1127 .dtr_rts = ftdi_dtr_rts,
1128 .throttle = usb_serial_generic_throttle,
1129 .unthrottle = usb_serial_generic_unthrottle,
1130 .process_read_urb = ftdi_process_read_urb,
1131 .prepare_write_buffer = ftdi_prepare_write_buffer,
1132 .tiocmget = ftdi_tiocmget,
1133 .tiocmset = ftdi_tiocmset,
1134 .tiocmiwait = usb_serial_generic_tiocmiwait,
1135 .get_icount = usb_serial_generic_get_icount,
1136 .ioctl = ftdi_ioctl,
1137 .get_serial = get_serial_info,
1138 .set_serial = set_serial_info,
1139 .set_termios = ftdi_set_termios,
1140 .break_ctl = ftdi_break_ctl,
1141 .tx_empty = ftdi_tx_empty,
1142 };
1143
1144 static struct usb_serial_driver * const serial_drivers[] = {
1145 &ftdi_sio_device, NULL
1146 };
1147
1148
1149 #define WDR_TIMEOUT 5000 /* default urb timeout */
1150 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
1151
1152 /*
1153 * ***************************************************************************
1154 * Utility functions
1155 * ***************************************************************************
1156 */
1157
ftdi_232am_baud_base_to_divisor(int baud,int base)1158 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1159 {
1160 unsigned short int divisor;
1161 /* divisor shifted 3 bits to the left */
1162 int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1163 if ((divisor3 & 0x7) == 7)
1164 divisor3++; /* round x.7/8 up to x+1 */
1165 divisor = divisor3 >> 3;
1166 divisor3 &= 0x7;
1167 if (divisor3 == 1)
1168 divisor |= 0xc000; /* +0.125 */
1169 else if (divisor3 >= 4)
1170 divisor |= 0x4000; /* +0.5 */
1171 else if (divisor3 != 0)
1172 divisor |= 0x8000; /* +0.25 */
1173 else if (divisor == 1)
1174 divisor = 0; /* special case for maximum baud rate */
1175 return divisor;
1176 }
1177
ftdi_232am_baud_to_divisor(int baud)1178 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1179 {
1180 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1181 }
1182
ftdi_232bm_baud_base_to_divisor(int baud,int base)1183 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1184 {
1185 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1186 u32 divisor;
1187 /* divisor shifted 3 bits to the left */
1188 int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1189 divisor = divisor3 >> 3;
1190 divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1191 /* Deal with special cases for highest baud rates. */
1192 if (divisor == 1) /* 1.0 */
1193 divisor = 0;
1194 else if (divisor == 0x4001) /* 1.5 */
1195 divisor = 1;
1196 return divisor;
1197 }
1198
ftdi_232bm_baud_to_divisor(int baud)1199 static u32 ftdi_232bm_baud_to_divisor(int baud)
1200 {
1201 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1202 }
1203
ftdi_2232h_baud_base_to_divisor(int baud,int base)1204 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1205 {
1206 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1207 u32 divisor;
1208 int divisor3;
1209
1210 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1211 divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1212
1213 divisor = divisor3 >> 3;
1214 divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1215 /* Deal with special cases for highest baud rates. */
1216 if (divisor == 1) /* 1.0 */
1217 divisor = 0;
1218 else if (divisor == 0x4001) /* 1.5 */
1219 divisor = 1;
1220 /*
1221 * Set this bit to turn off a divide by 2.5 on baud rate generator
1222 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1223 * baud with this bit set
1224 */
1225 divisor |= 0x00020000;
1226 return divisor;
1227 }
1228
ftdi_2232h_baud_to_divisor(int baud)1229 static u32 ftdi_2232h_baud_to_divisor(int baud)
1230 {
1231 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1232 }
1233
1234 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
1235 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
1236
update_mctrl(struct usb_serial_port * port,unsigned int set,unsigned int clear)1237 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1238 unsigned int clear)
1239 {
1240 struct ftdi_private *priv = usb_get_serial_port_data(port);
1241 struct device *dev = &port->dev;
1242 unsigned value;
1243 int rv;
1244
1245 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1246 dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1247 return 0; /* no change */
1248 }
1249
1250 clear &= ~set; /* 'set' takes precedence over 'clear' */
1251 value = 0;
1252 if (clear & TIOCM_DTR)
1253 value |= FTDI_SIO_SET_DTR_LOW;
1254 if (clear & TIOCM_RTS)
1255 value |= FTDI_SIO_SET_RTS_LOW;
1256 if (set & TIOCM_DTR)
1257 value |= FTDI_SIO_SET_DTR_HIGH;
1258 if (set & TIOCM_RTS)
1259 value |= FTDI_SIO_SET_RTS_HIGH;
1260 rv = usb_control_msg(port->serial->dev,
1261 usb_sndctrlpipe(port->serial->dev, 0),
1262 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1263 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1264 value, priv->interface,
1265 NULL, 0, WDR_TIMEOUT);
1266 if (rv < 0) {
1267 dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1268 __func__,
1269 (set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1270 (set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1271 rv = usb_translate_errors(rv);
1272 } else {
1273 dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1274 (set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1275 (set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1276 /* FIXME: locking on last_dtr_rts */
1277 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1278 }
1279 return rv;
1280 }
1281
1282
get_ftdi_divisor(struct tty_struct * tty,struct usb_serial_port * port)1283 static u32 get_ftdi_divisor(struct tty_struct *tty,
1284 struct usb_serial_port *port)
1285 {
1286 struct ftdi_private *priv = usb_get_serial_port_data(port);
1287 struct device *dev = &port->dev;
1288 u32 div_value = 0;
1289 int div_okay = 1;
1290 int baud;
1291
1292 baud = tty_get_baud_rate(tty);
1293 dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1294
1295 /*
1296 * Observe deprecated async-compatible custom_divisor hack, update
1297 * baudrate if needed.
1298 */
1299 if (baud == 38400 &&
1300 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1301 (priv->custom_divisor)) {
1302 baud = priv->baud_base / priv->custom_divisor;
1303 dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1304 __func__, priv->custom_divisor, baud);
1305 }
1306
1307 if (!baud)
1308 baud = 9600;
1309 switch (priv->chip_type) {
1310 case SIO: /* SIO chip */
1311 switch (baud) {
1312 case 300: div_value = ftdi_sio_b300; break;
1313 case 600: div_value = ftdi_sio_b600; break;
1314 case 1200: div_value = ftdi_sio_b1200; break;
1315 case 2400: div_value = ftdi_sio_b2400; break;
1316 case 4800: div_value = ftdi_sio_b4800; break;
1317 case 9600: div_value = ftdi_sio_b9600; break;
1318 case 19200: div_value = ftdi_sio_b19200; break;
1319 case 38400: div_value = ftdi_sio_b38400; break;
1320 case 57600: div_value = ftdi_sio_b57600; break;
1321 case 115200: div_value = ftdi_sio_b115200; break;
1322 default:
1323 dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1324 __func__, baud);
1325 div_value = ftdi_sio_b9600;
1326 baud = 9600;
1327 div_okay = 0;
1328 }
1329 break;
1330 case FT8U232AM: /* 8U232AM chip */
1331 if (baud <= 3000000) {
1332 div_value = ftdi_232am_baud_to_divisor(baud);
1333 } else {
1334 dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1335 baud = 9600;
1336 div_value = ftdi_232am_baud_to_divisor(9600);
1337 div_okay = 0;
1338 }
1339 break;
1340 case FT232BM: /* FT232BM chip */
1341 case FT2232C: /* FT2232C chip */
1342 case FT232RL: /* FT232RL chip */
1343 case FTX: /* FT-X series */
1344 if (baud <= 3000000) {
1345 u16 product_id = le16_to_cpu(
1346 port->serial->dev->descriptor.idProduct);
1347 if (((product_id == FTDI_NDI_HUC_PID) ||
1348 (product_id == FTDI_NDI_SPECTRA_SCU_PID) ||
1349 (product_id == FTDI_NDI_FUTURE_2_PID) ||
1350 (product_id == FTDI_NDI_FUTURE_3_PID) ||
1351 (product_id == FTDI_NDI_AURORA_SCU_PID)) &&
1352 (baud == 19200)) {
1353 baud = 1200000;
1354 }
1355 div_value = ftdi_232bm_baud_to_divisor(baud);
1356 } else {
1357 dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1358 div_value = ftdi_232bm_baud_to_divisor(9600);
1359 div_okay = 0;
1360 baud = 9600;
1361 }
1362 break;
1363 case FT2232H: /* FT2232H chip */
1364 case FT4232H: /* FT4232H chip */
1365 case FT232H: /* FT232H chip */
1366 if ((baud <= 12000000) && (baud >= 1200)) {
1367 div_value = ftdi_2232h_baud_to_divisor(baud);
1368 } else if (baud < 1200) {
1369 div_value = ftdi_232bm_baud_to_divisor(baud);
1370 } else {
1371 dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1372 div_value = ftdi_232bm_baud_to_divisor(9600);
1373 div_okay = 0;
1374 baud = 9600;
1375 }
1376 break;
1377 } /* priv->chip_type */
1378
1379 if (div_okay) {
1380 dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1381 __func__, baud, (unsigned long)div_value,
1382 ftdi_chip_name[priv->chip_type]);
1383 }
1384
1385 tty_encode_baud_rate(tty, baud, baud);
1386 return div_value;
1387 }
1388
change_speed(struct tty_struct * tty,struct usb_serial_port * port)1389 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1390 {
1391 struct ftdi_private *priv = usb_get_serial_port_data(port);
1392 u16 value;
1393 u16 index;
1394 u32 index_value;
1395 int rv;
1396
1397 index_value = get_ftdi_divisor(tty, port);
1398 value = (u16)index_value;
1399 index = (u16)(index_value >> 16);
1400 if (priv->chip_type == FT2232C || priv->chip_type == FT2232H ||
1401 priv->chip_type == FT4232H || priv->chip_type == FT232H ||
1402 priv->chip_type == FTX) {
1403 /* Probably the BM type needs the MSB of the encoded fractional
1404 * divider also moved like for the chips above. Any infos? */
1405 index = (u16)((index << 8) | priv->interface);
1406 }
1407
1408 rv = usb_control_msg(port->serial->dev,
1409 usb_sndctrlpipe(port->serial->dev, 0),
1410 FTDI_SIO_SET_BAUDRATE_REQUEST,
1411 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1412 value, index,
1413 NULL, 0, WDR_SHORT_TIMEOUT);
1414 return rv;
1415 }
1416
write_latency_timer(struct usb_serial_port * port)1417 static int write_latency_timer(struct usb_serial_port *port)
1418 {
1419 struct ftdi_private *priv = usb_get_serial_port_data(port);
1420 struct usb_device *udev = port->serial->dev;
1421 int rv;
1422 int l = priv->latency;
1423
1424 if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1425 return -EINVAL;
1426
1427 if (priv->flags & ASYNC_LOW_LATENCY)
1428 l = 1;
1429
1430 dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1431
1432 rv = usb_control_msg(udev,
1433 usb_sndctrlpipe(udev, 0),
1434 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1435 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1436 l, priv->interface,
1437 NULL, 0, WDR_TIMEOUT);
1438 if (rv < 0)
1439 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1440 return rv;
1441 }
1442
_read_latency_timer(struct usb_serial_port * port)1443 static int _read_latency_timer(struct usb_serial_port *port)
1444 {
1445 struct ftdi_private *priv = usb_get_serial_port_data(port);
1446 struct usb_device *udev = port->serial->dev;
1447 unsigned char *buf;
1448 int rv;
1449
1450 buf = kmalloc(1, GFP_KERNEL);
1451 if (!buf)
1452 return -ENOMEM;
1453
1454 rv = usb_control_msg(udev,
1455 usb_rcvctrlpipe(udev, 0),
1456 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1457 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1458 0, priv->interface,
1459 buf, 1, WDR_TIMEOUT);
1460 if (rv < 1) {
1461 if (rv >= 0)
1462 rv = -EIO;
1463 } else {
1464 rv = buf[0];
1465 }
1466
1467 kfree(buf);
1468
1469 return rv;
1470 }
1471
read_latency_timer(struct usb_serial_port * port)1472 static int read_latency_timer(struct usb_serial_port *port)
1473 {
1474 struct ftdi_private *priv = usb_get_serial_port_data(port);
1475 int rv;
1476
1477 if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1478 return -EINVAL;
1479
1480 rv = _read_latency_timer(port);
1481 if (rv < 0) {
1482 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1483 return rv;
1484 }
1485
1486 priv->latency = rv;
1487
1488 return 0;
1489 }
1490
get_serial_info(struct tty_struct * tty,struct serial_struct * ss)1491 static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1492 {
1493 struct usb_serial_port *port = tty->driver_data;
1494 struct ftdi_private *priv = usb_get_serial_port_data(port);
1495
1496 ss->flags = priv->flags;
1497 ss->baud_base = priv->baud_base;
1498 ss->custom_divisor = priv->custom_divisor;
1499 }
1500
set_serial_info(struct tty_struct * tty,struct serial_struct * ss)1501 static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss)
1502 {
1503 struct usb_serial_port *port = tty->driver_data;
1504 struct ftdi_private *priv = usb_get_serial_port_data(port);
1505 int old_flags, old_divisor;
1506
1507 mutex_lock(&priv->cfg_lock);
1508
1509 if (!capable(CAP_SYS_ADMIN)) {
1510 if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1511 mutex_unlock(&priv->cfg_lock);
1512 return -EPERM;
1513 }
1514 }
1515
1516 old_flags = priv->flags;
1517 old_divisor = priv->custom_divisor;
1518
1519 priv->flags = ss->flags & ASYNC_FLAGS;
1520 priv->custom_divisor = ss->custom_divisor;
1521
1522 write_latency_timer(port);
1523
1524 if ((priv->flags ^ old_flags) & ASYNC_SPD_MASK ||
1525 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1526 priv->custom_divisor != old_divisor)) {
1527
1528 /* warn about deprecation unless clearing */
1529 if (priv->flags & ASYNC_SPD_MASK)
1530 dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1531
1532 change_speed(tty, port);
1533 }
1534 mutex_unlock(&priv->cfg_lock);
1535 return 0;
1536 }
1537
get_lsr_info(struct usb_serial_port * port,unsigned int __user * retinfo)1538 static int get_lsr_info(struct usb_serial_port *port,
1539 unsigned int __user *retinfo)
1540 {
1541 struct ftdi_private *priv = usb_get_serial_port_data(port);
1542 unsigned int result = 0;
1543
1544 if (priv->transmit_empty)
1545 result = TIOCSER_TEMT;
1546
1547 if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1548 return -EFAULT;
1549 return 0;
1550 }
1551
1552
1553 /* Determine type of FTDI chip based on USB config and descriptor. */
ftdi_determine_type(struct usb_serial_port * port)1554 static void ftdi_determine_type(struct usb_serial_port *port)
1555 {
1556 struct ftdi_private *priv = usb_get_serial_port_data(port);
1557 struct usb_serial *serial = port->serial;
1558 struct usb_device *udev = serial->dev;
1559 unsigned version;
1560 unsigned interfaces;
1561
1562 /* Assume it is not the original SIO device for now. */
1563 priv->baud_base = 48000000 / 2;
1564
1565 version = le16_to_cpu(udev->descriptor.bcdDevice);
1566 interfaces = udev->actconfig->desc.bNumInterfaces;
1567 dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1568 version, interfaces);
1569 if (interfaces > 1) {
1570 struct usb_interface *intf = serial->interface;
1571 int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
1572
1573 /* Multiple interfaces.*/
1574 if (version == 0x0800) {
1575 priv->chip_type = FT4232H;
1576 /* Hi-speed - baud clock runs at 120MHz */
1577 priv->baud_base = 120000000 / 2;
1578 } else if (version == 0x0700) {
1579 priv->chip_type = FT2232H;
1580 /* Hi-speed - baud clock runs at 120MHz */
1581 priv->baud_base = 120000000 / 2;
1582 } else
1583 priv->chip_type = FT2232C;
1584
1585 /* Determine interface code. */
1586 if (ifnum == 0)
1587 priv->interface = INTERFACE_A;
1588 else if (ifnum == 1)
1589 priv->interface = INTERFACE_B;
1590 else if (ifnum == 2)
1591 priv->interface = INTERFACE_C;
1592 else if (ifnum == 3)
1593 priv->interface = INTERFACE_D;
1594
1595 /* BM-type devices have a bug where bcdDevice gets set
1596 * to 0x200 when iSerialNumber is 0. */
1597 if (version < 0x500) {
1598 dev_dbg(&port->dev,
1599 "%s: something fishy - bcdDevice too low for multi-interface device\n",
1600 __func__);
1601 }
1602 } else if (version < 0x200) {
1603 /* Old device. Assume it's the original SIO. */
1604 priv->chip_type = SIO;
1605 priv->baud_base = 12000000 / 16;
1606 } else if (version < 0x400) {
1607 /* Assume it's an FT8U232AM (or FT8U245AM) */
1608 priv->chip_type = FT8U232AM;
1609 /*
1610 * It might be a BM type because of the iSerialNumber bug.
1611 * If iSerialNumber==0 and the latency timer is readable,
1612 * assume it is BM type.
1613 */
1614 if (udev->descriptor.iSerialNumber == 0 &&
1615 _read_latency_timer(port) >= 0) {
1616 dev_dbg(&port->dev,
1617 "%s: has latency timer so not an AM type\n",
1618 __func__);
1619 priv->chip_type = FT232BM;
1620 }
1621 } else if (version < 0x600) {
1622 /* Assume it's an FT232BM (or FT245BM) */
1623 priv->chip_type = FT232BM;
1624 } else if (version < 0x900) {
1625 /* Assume it's an FT232RL */
1626 priv->chip_type = FT232RL;
1627 } else if (version < 0x1000) {
1628 /* Assume it's an FT232H */
1629 priv->chip_type = FT232H;
1630 } else {
1631 /* Assume it's an FT-X series device */
1632 priv->chip_type = FTX;
1633 }
1634
1635 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1636 }
1637
1638
1639 /*
1640 * Determine the maximum packet size for the device. This depends on the chip
1641 * type and the USB host capabilities. The value should be obtained from the
1642 * device descriptor as the chip will use the appropriate values for the host.
1643 */
ftdi_set_max_packet_size(struct usb_serial_port * port)1644 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1645 {
1646 struct ftdi_private *priv = usb_get_serial_port_data(port);
1647 struct usb_interface *interface = port->serial->interface;
1648 struct usb_endpoint_descriptor *ep_desc;
1649 unsigned num_endpoints;
1650 unsigned i;
1651
1652 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1653 if (!num_endpoints)
1654 return;
1655
1656 /*
1657 * NOTE: Some customers have programmed FT232R/FT245R devices
1658 * with an endpoint size of 0 - not good. In this case, we
1659 * want to override the endpoint descriptor setting and use a
1660 * value of 64 for wMaxPacketSize.
1661 */
1662 for (i = 0; i < num_endpoints; i++) {
1663 ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1664 if (!ep_desc->wMaxPacketSize) {
1665 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1666 dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1667 usb_endpoint_num(ep_desc));
1668 }
1669 }
1670
1671 /* Set max packet size based on last descriptor. */
1672 priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1673 }
1674
1675
1676 /*
1677 * ***************************************************************************
1678 * Sysfs Attribute
1679 * ***************************************************************************
1680 */
1681
latency_timer_show(struct device * dev,struct device_attribute * attr,char * buf)1682 static ssize_t latency_timer_show(struct device *dev,
1683 struct device_attribute *attr, char *buf)
1684 {
1685 struct usb_serial_port *port = to_usb_serial_port(dev);
1686 struct ftdi_private *priv = usb_get_serial_port_data(port);
1687 if (priv->flags & ASYNC_LOW_LATENCY)
1688 return sprintf(buf, "1\n");
1689 else
1690 return sprintf(buf, "%i\n", priv->latency);
1691 }
1692
1693 /* Write a new value of the latency timer, in units of milliseconds. */
latency_timer_store(struct device * dev,struct device_attribute * attr,const char * valbuf,size_t count)1694 static ssize_t latency_timer_store(struct device *dev,
1695 struct device_attribute *attr,
1696 const char *valbuf, size_t count)
1697 {
1698 struct usb_serial_port *port = to_usb_serial_port(dev);
1699 struct ftdi_private *priv = usb_get_serial_port_data(port);
1700 u8 v;
1701 int rv;
1702
1703 if (kstrtou8(valbuf, 10, &v))
1704 return -EINVAL;
1705
1706 priv->latency = v;
1707 rv = write_latency_timer(port);
1708 if (rv < 0)
1709 return -EIO;
1710 return count;
1711 }
1712 static DEVICE_ATTR_RW(latency_timer);
1713
1714 /* Write an event character directly to the FTDI register. The ASCII
1715 value is in the low 8 bits, with the enable bit in the 9th bit. */
event_char_store(struct device * dev,struct device_attribute * attr,const char * valbuf,size_t count)1716 static ssize_t event_char_store(struct device *dev,
1717 struct device_attribute *attr, const char *valbuf, size_t count)
1718 {
1719 struct usb_serial_port *port = to_usb_serial_port(dev);
1720 struct ftdi_private *priv = usb_get_serial_port_data(port);
1721 struct usb_device *udev = port->serial->dev;
1722 unsigned int v;
1723 int rv;
1724
1725 if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1726 return -EINVAL;
1727
1728 dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1729
1730 rv = usb_control_msg(udev,
1731 usb_sndctrlpipe(udev, 0),
1732 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1733 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1734 v, priv->interface,
1735 NULL, 0, WDR_TIMEOUT);
1736 if (rv < 0) {
1737 dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1738 return -EIO;
1739 }
1740
1741 return count;
1742 }
1743 static DEVICE_ATTR_WO(event_char);
1744
create_sysfs_attrs(struct usb_serial_port * port)1745 static int create_sysfs_attrs(struct usb_serial_port *port)
1746 {
1747 struct ftdi_private *priv = usb_get_serial_port_data(port);
1748 int retval = 0;
1749
1750 /* XXX I've no idea if the original SIO supports the event_char
1751 * sysfs parameter, so I'm playing it safe. */
1752 if (priv->chip_type != SIO) {
1753 dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1754 retval = device_create_file(&port->dev, &dev_attr_event_char);
1755 if ((!retval) &&
1756 (priv->chip_type == FT232BM ||
1757 priv->chip_type == FT2232C ||
1758 priv->chip_type == FT232RL ||
1759 priv->chip_type == FT2232H ||
1760 priv->chip_type == FT4232H ||
1761 priv->chip_type == FT232H ||
1762 priv->chip_type == FTX)) {
1763 retval = device_create_file(&port->dev,
1764 &dev_attr_latency_timer);
1765 }
1766 }
1767 return retval;
1768 }
1769
remove_sysfs_attrs(struct usb_serial_port * port)1770 static void remove_sysfs_attrs(struct usb_serial_port *port)
1771 {
1772 struct ftdi_private *priv = usb_get_serial_port_data(port);
1773
1774 /* XXX see create_sysfs_attrs */
1775 if (priv->chip_type != SIO) {
1776 device_remove_file(&port->dev, &dev_attr_event_char);
1777 if (priv->chip_type == FT232BM ||
1778 priv->chip_type == FT2232C ||
1779 priv->chip_type == FT232RL ||
1780 priv->chip_type == FT2232H ||
1781 priv->chip_type == FT4232H ||
1782 priv->chip_type == FT232H ||
1783 priv->chip_type == FTX) {
1784 device_remove_file(&port->dev, &dev_attr_latency_timer);
1785 }
1786 }
1787
1788 }
1789
1790 #ifdef CONFIG_GPIOLIB
1791
ftdi_set_bitmode(struct usb_serial_port * port,u8 mode)1792 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1793 {
1794 struct ftdi_private *priv = usb_get_serial_port_data(port);
1795 struct usb_serial *serial = port->serial;
1796 int result;
1797 u16 val;
1798
1799 result = usb_autopm_get_interface(serial->interface);
1800 if (result)
1801 return result;
1802
1803 val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1804 result = usb_control_msg(serial->dev,
1805 usb_sndctrlpipe(serial->dev, 0),
1806 FTDI_SIO_SET_BITMODE_REQUEST,
1807 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1808 priv->interface, NULL, 0, WDR_TIMEOUT);
1809 if (result < 0) {
1810 dev_err(&serial->interface->dev,
1811 "bitmode request failed for value 0x%04x: %d\n",
1812 val, result);
1813 }
1814
1815 usb_autopm_put_interface(serial->interface);
1816
1817 return result;
1818 }
1819
ftdi_set_cbus_pins(struct usb_serial_port * port)1820 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1821 {
1822 return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1823 }
1824
ftdi_exit_cbus_mode(struct usb_serial_port * port)1825 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1826 {
1827 struct ftdi_private *priv = usb_get_serial_port_data(port);
1828
1829 priv->gpio_output = 0;
1830 priv->gpio_value = 0;
1831 return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1832 }
1833
ftdi_gpio_request(struct gpio_chip * gc,unsigned int offset)1834 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1835 {
1836 struct usb_serial_port *port = gpiochip_get_data(gc);
1837 struct ftdi_private *priv = usb_get_serial_port_data(port);
1838 int result;
1839
1840 mutex_lock(&priv->gpio_lock);
1841 if (!priv->gpio_used) {
1842 /* Set default pin states, as we cannot get them from device */
1843 priv->gpio_output = 0x00;
1844 priv->gpio_value = 0x00;
1845 result = ftdi_set_cbus_pins(port);
1846 if (result) {
1847 mutex_unlock(&priv->gpio_lock);
1848 return result;
1849 }
1850
1851 priv->gpio_used = true;
1852 }
1853 mutex_unlock(&priv->gpio_lock);
1854
1855 return 0;
1856 }
1857
ftdi_read_cbus_pins(struct usb_serial_port * port)1858 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1859 {
1860 struct ftdi_private *priv = usb_get_serial_port_data(port);
1861 struct usb_serial *serial = port->serial;
1862 unsigned char *buf;
1863 int result;
1864
1865 result = usb_autopm_get_interface(serial->interface);
1866 if (result)
1867 return result;
1868
1869 buf = kmalloc(1, GFP_KERNEL);
1870 if (!buf) {
1871 usb_autopm_put_interface(serial->interface);
1872 return -ENOMEM;
1873 }
1874
1875 result = usb_control_msg(serial->dev,
1876 usb_rcvctrlpipe(serial->dev, 0),
1877 FTDI_SIO_READ_PINS_REQUEST,
1878 FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1879 priv->interface, buf, 1, WDR_TIMEOUT);
1880 if (result < 1) {
1881 if (result >= 0)
1882 result = -EIO;
1883 } else {
1884 result = buf[0];
1885 }
1886
1887 kfree(buf);
1888 usb_autopm_put_interface(serial->interface);
1889
1890 return result;
1891 }
1892
ftdi_gpio_get(struct gpio_chip * gc,unsigned int gpio)1893 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1894 {
1895 struct usb_serial_port *port = gpiochip_get_data(gc);
1896 int result;
1897
1898 result = ftdi_read_cbus_pins(port);
1899 if (result < 0)
1900 return result;
1901
1902 return !!(result & BIT(gpio));
1903 }
1904
ftdi_gpio_set(struct gpio_chip * gc,unsigned int gpio,int value)1905 static void ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1906 {
1907 struct usb_serial_port *port = gpiochip_get_data(gc);
1908 struct ftdi_private *priv = usb_get_serial_port_data(port);
1909
1910 mutex_lock(&priv->gpio_lock);
1911
1912 if (value)
1913 priv->gpio_value |= BIT(gpio);
1914 else
1915 priv->gpio_value &= ~BIT(gpio);
1916
1917 ftdi_set_cbus_pins(port);
1918
1919 mutex_unlock(&priv->gpio_lock);
1920 }
1921
ftdi_gpio_get_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1922 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1923 unsigned long *bits)
1924 {
1925 struct usb_serial_port *port = gpiochip_get_data(gc);
1926 int result;
1927
1928 result = ftdi_read_cbus_pins(port);
1929 if (result < 0)
1930 return result;
1931
1932 *bits = result & *mask;
1933
1934 return 0;
1935 }
1936
ftdi_gpio_set_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1937 static void ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1938 unsigned long *bits)
1939 {
1940 struct usb_serial_port *port = gpiochip_get_data(gc);
1941 struct ftdi_private *priv = usb_get_serial_port_data(port);
1942
1943 mutex_lock(&priv->gpio_lock);
1944
1945 priv->gpio_value &= ~(*mask);
1946 priv->gpio_value |= *bits & *mask;
1947 ftdi_set_cbus_pins(port);
1948
1949 mutex_unlock(&priv->gpio_lock);
1950 }
1951
ftdi_gpio_direction_get(struct gpio_chip * gc,unsigned int gpio)1952 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1953 {
1954 struct usb_serial_port *port = gpiochip_get_data(gc);
1955 struct ftdi_private *priv = usb_get_serial_port_data(port);
1956
1957 return !(priv->gpio_output & BIT(gpio));
1958 }
1959
ftdi_gpio_direction_input(struct gpio_chip * gc,unsigned int gpio)1960 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1961 {
1962 struct usb_serial_port *port = gpiochip_get_data(gc);
1963 struct ftdi_private *priv = usb_get_serial_port_data(port);
1964 int result;
1965
1966 mutex_lock(&priv->gpio_lock);
1967
1968 priv->gpio_output &= ~BIT(gpio);
1969 result = ftdi_set_cbus_pins(port);
1970
1971 mutex_unlock(&priv->gpio_lock);
1972
1973 return result;
1974 }
1975
ftdi_gpio_direction_output(struct gpio_chip * gc,unsigned int gpio,int value)1976 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1977 int value)
1978 {
1979 struct usb_serial_port *port = gpiochip_get_data(gc);
1980 struct ftdi_private *priv = usb_get_serial_port_data(port);
1981 int result;
1982
1983 mutex_lock(&priv->gpio_lock);
1984
1985 priv->gpio_output |= BIT(gpio);
1986 if (value)
1987 priv->gpio_value |= BIT(gpio);
1988 else
1989 priv->gpio_value &= ~BIT(gpio);
1990
1991 result = ftdi_set_cbus_pins(port);
1992
1993 mutex_unlock(&priv->gpio_lock);
1994
1995 return result;
1996 }
1997
ftdi_gpio_init_valid_mask(struct gpio_chip * gc,unsigned long * valid_mask,unsigned int ngpios)1998 static int ftdi_gpio_init_valid_mask(struct gpio_chip *gc,
1999 unsigned long *valid_mask,
2000 unsigned int ngpios)
2001 {
2002 struct usb_serial_port *port = gpiochip_get_data(gc);
2003 struct ftdi_private *priv = usb_get_serial_port_data(port);
2004 unsigned long map = priv->gpio_altfunc;
2005
2006 bitmap_complement(valid_mask, &map, ngpios);
2007
2008 if (bitmap_empty(valid_mask, ngpios))
2009 dev_dbg(&port->dev, "no CBUS pin configured for GPIO\n");
2010 else
2011 dev_dbg(&port->dev, "CBUS%*pbl configured for GPIO\n", ngpios,
2012 valid_mask);
2013
2014 return 0;
2015 }
2016
ftdi_read_eeprom(struct usb_serial * serial,void * dst,u16 addr,u16 nbytes)2017 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
2018 u16 nbytes)
2019 {
2020 int read = 0;
2021
2022 if (addr % 2 != 0)
2023 return -EINVAL;
2024 if (nbytes % 2 != 0)
2025 return -EINVAL;
2026
2027 /* Read EEPROM two bytes at a time */
2028 while (read < nbytes) {
2029 int rv;
2030
2031 rv = usb_control_msg(serial->dev,
2032 usb_rcvctrlpipe(serial->dev, 0),
2033 FTDI_SIO_READ_EEPROM_REQUEST,
2034 FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
2035 0, (addr + read) / 2, dst + read, 2,
2036 WDR_TIMEOUT);
2037 if (rv < 2) {
2038 if (rv >= 0)
2039 return -EIO;
2040 else
2041 return rv;
2042 }
2043
2044 read += rv;
2045 }
2046
2047 return 0;
2048 }
2049
ftdi_gpio_init_ft232h(struct usb_serial_port * port)2050 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
2051 {
2052 struct ftdi_private *priv = usb_get_serial_port_data(port);
2053 u16 cbus_config;
2054 u8 *buf;
2055 int ret;
2056 int i;
2057
2058 buf = kmalloc(4, GFP_KERNEL);
2059 if (!buf)
2060 return -ENOMEM;
2061
2062 ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
2063 if (ret < 0)
2064 goto out_free;
2065
2066 /*
2067 * FT232H CBUS Memory Map
2068 *
2069 * 0x1a: X- (upper nibble -> AC5)
2070 * 0x1b: -X (lower nibble -> AC6)
2071 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2072 */
2073 cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2074
2075 priv->gc.ngpio = 4;
2076 priv->gpio_altfunc = 0xff;
2077
2078 for (i = 0; i < priv->gc.ngpio; ++i) {
2079 if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2080 priv->gpio_altfunc &= ~BIT(i);
2081 cbus_config >>= 4;
2082 }
2083
2084 out_free:
2085 kfree(buf);
2086
2087 return ret;
2088 }
2089
ftdi_gpio_init_ft232r(struct usb_serial_port * port)2090 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2091 {
2092 struct ftdi_private *priv = usb_get_serial_port_data(port);
2093 u16 cbus_config;
2094 u8 *buf;
2095 int ret;
2096 int i;
2097
2098 buf = kmalloc(2, GFP_KERNEL);
2099 if (!buf)
2100 return -ENOMEM;
2101
2102 ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2103 if (ret < 0)
2104 goto out_free;
2105
2106 cbus_config = le16_to_cpup((__le16 *)buf);
2107 dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2108
2109 priv->gc.ngpio = 4;
2110
2111 priv->gpio_altfunc = 0xff;
2112 for (i = 0; i < priv->gc.ngpio; ++i) {
2113 if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2114 priv->gpio_altfunc &= ~BIT(i);
2115 cbus_config >>= 4;
2116 }
2117 out_free:
2118 kfree(buf);
2119
2120 return ret;
2121 }
2122
ftdi_gpio_init_ftx(struct usb_serial_port * port)2123 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2124 {
2125 struct ftdi_private *priv = usb_get_serial_port_data(port);
2126 struct usb_serial *serial = port->serial;
2127 const u16 cbus_cfg_addr = 0x1a;
2128 const u16 cbus_cfg_size = 4;
2129 u8 *cbus_cfg_buf;
2130 int result;
2131 u8 i;
2132
2133 cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2134 if (!cbus_cfg_buf)
2135 return -ENOMEM;
2136
2137 result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2138 cbus_cfg_addr, cbus_cfg_size);
2139 if (result < 0)
2140 goto out_free;
2141
2142 /* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2143 priv->gc.ngpio = 4;
2144
2145 /* Determine which pins are configured for CBUS bitbanging */
2146 priv->gpio_altfunc = 0xff;
2147 for (i = 0; i < priv->gc.ngpio; ++i) {
2148 if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2149 priv->gpio_altfunc &= ~BIT(i);
2150 }
2151
2152 out_free:
2153 kfree(cbus_cfg_buf);
2154
2155 return result;
2156 }
2157
ftdi_gpio_init(struct usb_serial_port * port)2158 static int ftdi_gpio_init(struct usb_serial_port *port)
2159 {
2160 struct ftdi_private *priv = usb_get_serial_port_data(port);
2161 struct usb_serial *serial = port->serial;
2162 int result;
2163
2164 switch (priv->chip_type) {
2165 case FT232H:
2166 result = ftdi_gpio_init_ft232h(port);
2167 break;
2168 case FT232RL:
2169 result = ftdi_gpio_init_ft232r(port);
2170 break;
2171 case FTX:
2172 result = ftdi_gpio_init_ftx(port);
2173 break;
2174 default:
2175 return 0;
2176 }
2177
2178 if (result < 0)
2179 return result;
2180
2181 mutex_init(&priv->gpio_lock);
2182
2183 priv->gc.label = "ftdi-cbus";
2184 priv->gc.request = ftdi_gpio_request;
2185 priv->gc.get_direction = ftdi_gpio_direction_get;
2186 priv->gc.direction_input = ftdi_gpio_direction_input;
2187 priv->gc.direction_output = ftdi_gpio_direction_output;
2188 priv->gc.init_valid_mask = ftdi_gpio_init_valid_mask;
2189 priv->gc.get = ftdi_gpio_get;
2190 priv->gc.set = ftdi_gpio_set;
2191 priv->gc.get_multiple = ftdi_gpio_get_multiple;
2192 priv->gc.set_multiple = ftdi_gpio_set_multiple;
2193 priv->gc.owner = THIS_MODULE;
2194 priv->gc.parent = &serial->interface->dev;
2195 priv->gc.base = -1;
2196 priv->gc.can_sleep = true;
2197
2198 result = gpiochip_add_data(&priv->gc, port);
2199 if (!result)
2200 priv->gpio_registered = true;
2201
2202 return result;
2203 }
2204
ftdi_gpio_remove(struct usb_serial_port * port)2205 static void ftdi_gpio_remove(struct usb_serial_port *port)
2206 {
2207 struct ftdi_private *priv = usb_get_serial_port_data(port);
2208
2209 if (priv->gpio_registered) {
2210 gpiochip_remove(&priv->gc);
2211 priv->gpio_registered = false;
2212 }
2213
2214 if (priv->gpio_used) {
2215 /* Exiting CBUS-mode does not reset pin states. */
2216 ftdi_exit_cbus_mode(port);
2217 priv->gpio_used = false;
2218 }
2219 }
2220
2221 #else
2222
ftdi_gpio_init(struct usb_serial_port * port)2223 static int ftdi_gpio_init(struct usb_serial_port *port)
2224 {
2225 return 0;
2226 }
2227
ftdi_gpio_remove(struct usb_serial_port * port)2228 static void ftdi_gpio_remove(struct usb_serial_port *port) { }
2229
2230 #endif /* CONFIG_GPIOLIB */
2231
2232 /*
2233 * ***************************************************************************
2234 * FTDI driver specific functions
2235 * ***************************************************************************
2236 */
2237
2238 /* Probe function to check for special devices */
ftdi_sio_probe(struct usb_serial * serial,const struct usb_device_id * id)2239 static int ftdi_sio_probe(struct usb_serial *serial,
2240 const struct usb_device_id *id)
2241 {
2242 const struct ftdi_sio_quirk *quirk =
2243 (struct ftdi_sio_quirk *)id->driver_info;
2244
2245 if (quirk && quirk->probe) {
2246 int ret = quirk->probe(serial);
2247 if (ret != 0)
2248 return ret;
2249 }
2250
2251 usb_set_serial_data(serial, (void *)id->driver_info);
2252
2253 return 0;
2254 }
2255
ftdi_sio_port_probe(struct usb_serial_port * port)2256 static int ftdi_sio_port_probe(struct usb_serial_port *port)
2257 {
2258 struct ftdi_private *priv;
2259 const struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
2260 int result;
2261
2262 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
2263 if (!priv)
2264 return -ENOMEM;
2265
2266 mutex_init(&priv->cfg_lock);
2267
2268 if (quirk && quirk->port_probe)
2269 quirk->port_probe(priv);
2270
2271 usb_set_serial_port_data(port, priv);
2272
2273 ftdi_determine_type(port);
2274 ftdi_set_max_packet_size(port);
2275 if (read_latency_timer(port) < 0)
2276 priv->latency = 16;
2277 write_latency_timer(port);
2278 create_sysfs_attrs(port);
2279
2280 result = ftdi_gpio_init(port);
2281 if (result < 0) {
2282 dev_err(&port->serial->interface->dev,
2283 "GPIO initialisation failed: %d\n",
2284 result);
2285 }
2286
2287 return 0;
2288 }
2289
2290 /* Setup for the USB-UIRT device, which requires hardwired
2291 * baudrate (38400 gets mapped to 312500) */
2292 /* Called from usbserial:serial_probe */
ftdi_USB_UIRT_setup(struct ftdi_private * priv)2293 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
2294 {
2295 priv->flags |= ASYNC_SPD_CUST;
2296 priv->custom_divisor = 77;
2297 priv->force_baud = 38400;
2298 }
2299
2300 /* Setup for the HE-TIRA1 device, which requires hardwired
2301 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
2302
ftdi_HE_TIRA1_setup(struct ftdi_private * priv)2303 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
2304 {
2305 priv->flags |= ASYNC_SPD_CUST;
2306 priv->custom_divisor = 240;
2307 priv->force_baud = 38400;
2308 priv->force_rtscts = 1;
2309 }
2310
2311 /*
2312 * Module parameter to control latency timer for NDI FTDI-based USB devices.
2313 * If this value is not set in /etc/modprobe.d/ its value will be set
2314 * to 1ms.
2315 */
2316 static int ndi_latency_timer = 1;
2317
2318 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
2319 * baudrate (19200 gets mapped to 1200000).
2320 *
2321 * Called from usbserial:serial_probe.
2322 */
ftdi_NDI_device_setup(struct usb_serial * serial)2323 static int ftdi_NDI_device_setup(struct usb_serial *serial)
2324 {
2325 struct usb_device *udev = serial->dev;
2326 int latency = ndi_latency_timer;
2327
2328 if (latency == 0)
2329 latency = 1;
2330 if (latency > 99)
2331 latency = 99;
2332
2333 dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency);
2334 dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency);
2335
2336 /* FIXME: errors are not returned */
2337 usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
2338 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
2339 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
2340 latency, 0, NULL, 0, WDR_TIMEOUT);
2341 return 0;
2342 }
2343
2344 /*
2345 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
2346 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
2347 * userspace using openocd.
2348 */
ftdi_jtag_probe(struct usb_serial * serial)2349 static int ftdi_jtag_probe(struct usb_serial *serial)
2350 {
2351 struct usb_interface *intf = serial->interface;
2352 int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2353
2354 if (ifnum == 0) {
2355 dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2356 return -ENODEV;
2357 }
2358
2359 return 0;
2360 }
2361
ftdi_8u2232c_probe(struct usb_serial * serial)2362 static int ftdi_8u2232c_probe(struct usb_serial *serial)
2363 {
2364 struct usb_device *udev = serial->dev;
2365
2366 if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
2367 return ftdi_jtag_probe(serial);
2368
2369 if (udev->product &&
2370 (!strcmp(udev->product, "Arrow USB Blaster") ||
2371 !strcmp(udev->product, "BeagleBone/XDS100V2") ||
2372 !strcmp(udev->product, "SNAP Connect E10")))
2373 return ftdi_jtag_probe(serial);
2374
2375 return 0;
2376 }
2377
2378 /*
2379 * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
2380 * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
2381 * can be accessed from userspace.
2382 * The next two ports are enabled as UARTs by default, where port 2 is
2383 * a conventional RS-232 UART.
2384 */
ftdi_stmclite_probe(struct usb_serial * serial)2385 static int ftdi_stmclite_probe(struct usb_serial *serial)
2386 {
2387 struct usb_interface *intf = serial->interface;
2388 int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
2389
2390 if (ifnum < 2) {
2391 dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n");
2392 return -ENODEV;
2393 }
2394
2395 return 0;
2396 }
2397
ftdi_sio_port_remove(struct usb_serial_port * port)2398 static void ftdi_sio_port_remove(struct usb_serial_port *port)
2399 {
2400 struct ftdi_private *priv = usb_get_serial_port_data(port);
2401
2402 ftdi_gpio_remove(port);
2403
2404 remove_sysfs_attrs(port);
2405
2406 kfree(priv);
2407 }
2408
ftdi_open(struct tty_struct * tty,struct usb_serial_port * port)2409 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2410 {
2411 struct usb_device *dev = port->serial->dev;
2412 struct ftdi_private *priv = usb_get_serial_port_data(port);
2413
2414 /* No error checking for this (will get errors later anyway) */
2415 /* See ftdi_sio.h for description of what is reset */
2416 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2417 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2418 FTDI_SIO_RESET_SIO,
2419 priv->interface, NULL, 0, WDR_TIMEOUT);
2420
2421 /* Termios defaults are set by usb_serial_init. We don't change
2422 port->tty->termios - this would lose speed settings, etc.
2423 This is same behaviour as serial.c/rs_open() - Kuba */
2424
2425 /* ftdi_set_termios will send usb control messages */
2426 if (tty)
2427 ftdi_set_termios(tty, port, NULL);
2428
2429 return usb_serial_generic_open(tty, port);
2430 }
2431
ftdi_dtr_rts(struct usb_serial_port * port,int on)2432 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2433 {
2434 struct ftdi_private *priv = usb_get_serial_port_data(port);
2435
2436 /* Disable flow control */
2437 if (!on) {
2438 if (usb_control_msg(port->serial->dev,
2439 usb_sndctrlpipe(port->serial->dev, 0),
2440 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2441 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2442 0, priv->interface, NULL, 0,
2443 WDR_TIMEOUT) < 0) {
2444 dev_err(&port->dev, "error from flowcontrol urb\n");
2445 }
2446 }
2447 /* drop RTS and DTR */
2448 if (on)
2449 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2450 else
2451 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2452 }
2453
2454 /* The SIO requires the first byte to have:
2455 * B0 1
2456 * B1 0
2457 * B2..7 length of message excluding byte 0
2458 *
2459 * The new devices do not require this byte
2460 */
ftdi_prepare_write_buffer(struct usb_serial_port * port,void * dest,size_t size)2461 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2462 void *dest, size_t size)
2463 {
2464 struct ftdi_private *priv;
2465 int count;
2466 unsigned long flags;
2467
2468 priv = usb_get_serial_port_data(port);
2469
2470 if (priv->chip_type == SIO) {
2471 unsigned char *buffer = dest;
2472 int i, len, c;
2473
2474 count = 0;
2475 spin_lock_irqsave(&port->lock, flags);
2476 for (i = 0; i < size - 1; i += priv->max_packet_size) {
2477 len = min_t(int, size - i, priv->max_packet_size) - 1;
2478 c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2479 if (!c)
2480 break;
2481 port->icount.tx += c;
2482 buffer[i] = (c << 2) + 1;
2483 count += c + 1;
2484 }
2485 spin_unlock_irqrestore(&port->lock, flags);
2486 } else {
2487 count = kfifo_out_locked(&port->write_fifo, dest, size,
2488 &port->lock);
2489 port->icount.tx += count;
2490 }
2491
2492 return count;
2493 }
2494
2495 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2496
ftdi_process_packet(struct usb_serial_port * port,struct ftdi_private * priv,unsigned char * buf,int len)2497 static int ftdi_process_packet(struct usb_serial_port *port,
2498 struct ftdi_private *priv, unsigned char *buf, int len)
2499 {
2500 unsigned char status;
2501 bool brkint = false;
2502 int i;
2503 char flag;
2504
2505 if (len < 2) {
2506 dev_dbg(&port->dev, "malformed packet\n");
2507 return 0;
2508 }
2509
2510 /* Compare new line status to the old one, signal if different/
2511 N.B. packet may be processed more than once, but differences
2512 are only processed once. */
2513 status = buf[0] & FTDI_STATUS_B0_MASK;
2514 if (status != priv->prev_status) {
2515 char diff_status = status ^ priv->prev_status;
2516
2517 if (diff_status & FTDI_RS0_CTS)
2518 port->icount.cts++;
2519 if (diff_status & FTDI_RS0_DSR)
2520 port->icount.dsr++;
2521 if (diff_status & FTDI_RS0_RI)
2522 port->icount.rng++;
2523 if (diff_status & FTDI_RS0_RLSD) {
2524 struct tty_struct *tty;
2525
2526 port->icount.dcd++;
2527 tty = tty_port_tty_get(&port->port);
2528 if (tty)
2529 usb_serial_handle_dcd_change(port, tty,
2530 status & FTDI_RS0_RLSD);
2531 tty_kref_put(tty);
2532 }
2533
2534 wake_up_interruptible(&port->port.delta_msr_wait);
2535 priv->prev_status = status;
2536 }
2537
2538 /* save if the transmitter is empty or not */
2539 if (buf[1] & FTDI_RS_TEMT)
2540 priv->transmit_empty = 1;
2541 else
2542 priv->transmit_empty = 0;
2543
2544 if (len == 2)
2545 return 0; /* status only */
2546
2547 /*
2548 * Break and error status must only be processed for packets with
2549 * data payload to avoid over-reporting.
2550 */
2551 flag = TTY_NORMAL;
2552 if (buf[1] & FTDI_RS_ERR_MASK) {
2553 /*
2554 * Break takes precedence over parity, which takes precedence
2555 * over framing errors. Note that break is only associated
2556 * with the last character in the buffer and only when it's a
2557 * NUL.
2558 */
2559 if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') {
2560 port->icount.brk++;
2561 brkint = true;
2562 }
2563 if (buf[1] & FTDI_RS_PE) {
2564 flag = TTY_PARITY;
2565 port->icount.parity++;
2566 } else if (buf[1] & FTDI_RS_FE) {
2567 flag = TTY_FRAME;
2568 port->icount.frame++;
2569 }
2570 /* Overrun is special, not associated with a char */
2571 if (buf[1] & FTDI_RS_OE) {
2572 port->icount.overrun++;
2573 tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2574 }
2575 }
2576
2577 port->icount.rx += len - 2;
2578
2579 if (brkint || port->sysrq) {
2580 for (i = 2; i < len; i++) {
2581 if (brkint && i == len - 1) {
2582 if (usb_serial_handle_break(port))
2583 return len - 3;
2584 flag = TTY_BREAK;
2585 }
2586 if (usb_serial_handle_sysrq_char(port, buf[i]))
2587 continue;
2588 tty_insert_flip_char(&port->port, buf[i], flag);
2589 }
2590 } else {
2591 tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
2592 len - 2);
2593 }
2594
2595 return len - 2;
2596 }
2597
ftdi_process_read_urb(struct urb * urb)2598 static void ftdi_process_read_urb(struct urb *urb)
2599 {
2600 struct usb_serial_port *port = urb->context;
2601 struct ftdi_private *priv = usb_get_serial_port_data(port);
2602 char *data = urb->transfer_buffer;
2603 int i;
2604 int len;
2605 int count = 0;
2606
2607 for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2608 len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2609 count += ftdi_process_packet(port, priv, &data[i], len);
2610 }
2611
2612 if (count)
2613 tty_flip_buffer_push(&port->port);
2614 }
2615
ftdi_break_ctl(struct tty_struct * tty,int break_state)2616 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2617 {
2618 struct usb_serial_port *port = tty->driver_data;
2619 struct ftdi_private *priv = usb_get_serial_port_data(port);
2620 u16 value;
2621
2622 /* break_state = -1 to turn on break, and 0 to turn off break */
2623 /* see drivers/char/tty_io.c to see it used */
2624 /* last_set_data_value NEVER has the break bit set in it */
2625
2626 if (break_state)
2627 value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2628 else
2629 value = priv->last_set_data_value;
2630
2631 if (usb_control_msg(port->serial->dev,
2632 usb_sndctrlpipe(port->serial->dev, 0),
2633 FTDI_SIO_SET_DATA_REQUEST,
2634 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2635 value , priv->interface,
2636 NULL, 0, WDR_TIMEOUT) < 0) {
2637 dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2638 __func__, break_state);
2639 }
2640
2641 dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2642 break_state, value);
2643
2644 }
2645
ftdi_tx_empty(struct usb_serial_port * port)2646 static bool ftdi_tx_empty(struct usb_serial_port *port)
2647 {
2648 unsigned char buf[2];
2649 int ret;
2650
2651 ret = ftdi_get_modem_status(port, buf);
2652 if (ret == 2) {
2653 if (!(buf[1] & FTDI_RS_TEMT))
2654 return false;
2655 }
2656
2657 return true;
2658 }
2659
2660 /* old_termios contains the original termios settings and tty->termios contains
2661 * the new setting to be used
2662 * WARNING: set_termios calls this with old_termios in kernel space
2663 */
ftdi_set_termios(struct tty_struct * tty,struct usb_serial_port * port,struct ktermios * old_termios)2664 static void ftdi_set_termios(struct tty_struct *tty,
2665 struct usb_serial_port *port, struct ktermios *old_termios)
2666 {
2667 struct usb_device *dev = port->serial->dev;
2668 struct device *ddev = &port->dev;
2669 struct ftdi_private *priv = usb_get_serial_port_data(port);
2670 struct ktermios *termios = &tty->termios;
2671 unsigned int cflag = termios->c_cflag;
2672 u16 value, index;
2673 int ret;
2674
2675 /* Force baud rate if this device requires it, unless it is set to
2676 B0. */
2677 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2678 dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2679 tty_encode_baud_rate(tty, priv->force_baud,
2680 priv->force_baud);
2681 }
2682
2683 /* Force RTS-CTS if this device requires it. */
2684 if (priv->force_rtscts) {
2685 dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2686 termios->c_cflag |= CRTSCTS;
2687 }
2688
2689 /*
2690 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2691 * support CS5/6 and revert the CSIZE setting instead.
2692 *
2693 * CS5 however is used to control some smartcard readers which abuse
2694 * this limitation to switch modes. Original FTDI chips fall back to
2695 * eight data bits.
2696 *
2697 * TODO: Implement a quirk to only allow this with mentioned
2698 * readers. One I know of (Argolis Smartreader V1)
2699 * returns "USB smartcard server" as iInterface string.
2700 * The vendor didn't bother with a custom VID/PID of
2701 * course.
2702 */
2703 if (C_CSIZE(tty) == CS6) {
2704 dev_warn(ddev, "requested CSIZE setting not supported\n");
2705
2706 termios->c_cflag &= ~CSIZE;
2707 if (old_termios)
2708 termios->c_cflag |= old_termios->c_cflag & CSIZE;
2709 else
2710 termios->c_cflag |= CS8;
2711 }
2712
2713 cflag = termios->c_cflag;
2714
2715 if (!old_termios)
2716 goto no_skip;
2717
2718 if (old_termios->c_cflag == termios->c_cflag
2719 && old_termios->c_ispeed == termios->c_ispeed
2720 && old_termios->c_ospeed == termios->c_ospeed)
2721 goto no_c_cflag_changes;
2722
2723 /* NOTE These routines can get interrupted by
2724 ftdi_sio_read_bulk_callback - need to examine what this means -
2725 don't see any problems yet */
2726
2727 if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2728 (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2729 goto no_data_parity_stop_changes;
2730
2731 no_skip:
2732 /* Set number of data bits, parity, stop bits */
2733
2734 value = 0;
2735 value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2736 FTDI_SIO_SET_DATA_STOP_BITS_1);
2737 if (cflag & PARENB) {
2738 if (cflag & CMSPAR)
2739 value |= cflag & PARODD ?
2740 FTDI_SIO_SET_DATA_PARITY_MARK :
2741 FTDI_SIO_SET_DATA_PARITY_SPACE;
2742 else
2743 value |= cflag & PARODD ?
2744 FTDI_SIO_SET_DATA_PARITY_ODD :
2745 FTDI_SIO_SET_DATA_PARITY_EVEN;
2746 } else {
2747 value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2748 }
2749 switch (cflag & CSIZE) {
2750 case CS5:
2751 dev_dbg(ddev, "Setting CS5 quirk\n");
2752 break;
2753 case CS7:
2754 value |= 7;
2755 dev_dbg(ddev, "Setting CS7\n");
2756 break;
2757 default:
2758 case CS8:
2759 value |= 8;
2760 dev_dbg(ddev, "Setting CS8\n");
2761 break;
2762 }
2763
2764 /* This is needed by the break command since it uses the same command
2765 - but is or'ed with this value */
2766 priv->last_set_data_value = value;
2767
2768 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2769 FTDI_SIO_SET_DATA_REQUEST,
2770 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2771 value , priv->interface,
2772 NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2773 dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2774 __func__);
2775 }
2776
2777 /* Now do the baudrate */
2778 no_data_parity_stop_changes:
2779 if ((cflag & CBAUD) == B0) {
2780 /* Disable flow control */
2781 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2782 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2783 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2784 0, priv->interface,
2785 NULL, 0, WDR_TIMEOUT) < 0) {
2786 dev_err(ddev, "%s error from disable flowcontrol urb\n",
2787 __func__);
2788 }
2789 /* Drop RTS and DTR */
2790 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2791 } else {
2792 /* set the baudrate determined before */
2793 mutex_lock(&priv->cfg_lock);
2794 if (change_speed(tty, port))
2795 dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2796 mutex_unlock(&priv->cfg_lock);
2797 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2798 if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2799 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2800 }
2801
2802 no_c_cflag_changes:
2803 /* Set hardware-assisted flow control */
2804 value = 0;
2805
2806 if (C_CRTSCTS(tty)) {
2807 dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2808 index = FTDI_SIO_RTS_CTS_HS;
2809 } else if (I_IXON(tty)) {
2810 dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2811 index = FTDI_SIO_XON_XOFF_HS;
2812 value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2813 } else {
2814 dev_dbg(&port->dev, "disabling flow control\n");
2815 index = FTDI_SIO_DISABLE_FLOW_CTRL;
2816 }
2817
2818 index |= priv->interface;
2819
2820 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2821 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2822 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2823 value, index, NULL, 0, WDR_TIMEOUT);
2824 if (ret < 0)
2825 dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2826 }
2827
2828 /*
2829 * Get modem-control status.
2830 *
2831 * Returns the number of status bytes retrieved (device dependant), or
2832 * negative error code.
2833 */
ftdi_get_modem_status(struct usb_serial_port * port,unsigned char status[2])2834 static int ftdi_get_modem_status(struct usb_serial_port *port,
2835 unsigned char status[2])
2836 {
2837 struct ftdi_private *priv = usb_get_serial_port_data(port);
2838 unsigned char *buf;
2839 int len;
2840 int ret;
2841
2842 buf = kmalloc(2, GFP_KERNEL);
2843 if (!buf)
2844 return -ENOMEM;
2845 /*
2846 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2847 * the same format as the data returned from the in point.
2848 */
2849 switch (priv->chip_type) {
2850 case SIO:
2851 len = 1;
2852 break;
2853 case FT8U232AM:
2854 case FT232BM:
2855 case FT2232C:
2856 case FT232RL:
2857 case FT2232H:
2858 case FT4232H:
2859 case FT232H:
2860 case FTX:
2861 len = 2;
2862 break;
2863 default:
2864 ret = -EFAULT;
2865 goto out;
2866 }
2867
2868 ret = usb_control_msg(port->serial->dev,
2869 usb_rcvctrlpipe(port->serial->dev, 0),
2870 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2871 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2872 0, priv->interface,
2873 buf, len, WDR_TIMEOUT);
2874
2875 /* NOTE: We allow short responses and handle that below. */
2876 if (ret < 1) {
2877 dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2878 if (ret >= 0)
2879 ret = -EIO;
2880 ret = usb_translate_errors(ret);
2881 goto out;
2882 }
2883
2884 status[0] = buf[0];
2885 if (ret > 1)
2886 status[1] = buf[1];
2887 else
2888 status[1] = 0;
2889
2890 dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2891 status[1]);
2892 out:
2893 kfree(buf);
2894
2895 return ret;
2896 }
2897
ftdi_tiocmget(struct tty_struct * tty)2898 static int ftdi_tiocmget(struct tty_struct *tty)
2899 {
2900 struct usb_serial_port *port = tty->driver_data;
2901 struct ftdi_private *priv = usb_get_serial_port_data(port);
2902 unsigned char buf[2];
2903 int ret;
2904
2905 ret = ftdi_get_modem_status(port, buf);
2906 if (ret < 0)
2907 return ret;
2908
2909 ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2910 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2911 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2912 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2913 priv->last_dtr_rts;
2914
2915 return ret;
2916 }
2917
ftdi_tiocmset(struct tty_struct * tty,unsigned int set,unsigned int clear)2918 static int ftdi_tiocmset(struct tty_struct *tty,
2919 unsigned int set, unsigned int clear)
2920 {
2921 struct usb_serial_port *port = tty->driver_data;
2922
2923 return update_mctrl(port, set, clear);
2924 }
2925
ftdi_ioctl(struct tty_struct * tty,unsigned int cmd,unsigned long arg)2926 static int ftdi_ioctl(struct tty_struct *tty,
2927 unsigned int cmd, unsigned long arg)
2928 {
2929 struct usb_serial_port *port = tty->driver_data;
2930 void __user *argp = (void __user *)arg;
2931
2932 switch (cmd) {
2933 case TIOCSERGETLSR:
2934 return get_lsr_info(port, argp);
2935 default:
2936 break;
2937 }
2938
2939 return -ENOIOCTLCMD;
2940 }
2941
2942 module_usb_serial_driver(serial_drivers, id_table_combined);
2943
2944 MODULE_AUTHOR(DRIVER_AUTHOR);
2945 MODULE_DESCRIPTION(DRIVER_DESC);
2946 MODULE_LICENSE("GPL");
2947
2948 module_param(ndi_latency_timer, int, 0644);
2949 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2950