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 int 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 int get_serial_info(struct tty_struct *tty,
1099 struct serial_struct *ss);
1100 static int set_serial_info(struct tty_struct *tty,
1101 struct serial_struct *ss);
1102 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
1103 static bool ftdi_tx_empty(struct usb_serial_port *port);
1104 static int ftdi_get_modem_status(struct usb_serial_port *port,
1105 unsigned char status[2]);
1106
1107 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
1108 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
1109 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
1110 static u32 ftdi_232bm_baud_to_divisor(int baud);
1111 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
1112 static u32 ftdi_2232h_baud_to_divisor(int baud);
1113
1114 static struct usb_serial_driver ftdi_sio_device = {
1115 .driver = {
1116 .owner = THIS_MODULE,
1117 .name = "ftdi_sio",
1118 },
1119 .description = "FTDI USB Serial Device",
1120 .id_table = id_table_combined,
1121 .num_ports = 1,
1122 .bulk_in_size = 512,
1123 .bulk_out_size = 256,
1124 .probe = ftdi_sio_probe,
1125 .port_probe = ftdi_sio_port_probe,
1126 .port_remove = ftdi_sio_port_remove,
1127 .open = ftdi_open,
1128 .dtr_rts = ftdi_dtr_rts,
1129 .throttle = usb_serial_generic_throttle,
1130 .unthrottle = usb_serial_generic_unthrottle,
1131 .process_read_urb = ftdi_process_read_urb,
1132 .prepare_write_buffer = ftdi_prepare_write_buffer,
1133 .tiocmget = ftdi_tiocmget,
1134 .tiocmset = ftdi_tiocmset,
1135 .tiocmiwait = usb_serial_generic_tiocmiwait,
1136 .get_icount = usb_serial_generic_get_icount,
1137 .ioctl = ftdi_ioctl,
1138 .get_serial = get_serial_info,
1139 .set_serial = set_serial_info,
1140 .set_termios = ftdi_set_termios,
1141 .break_ctl = ftdi_break_ctl,
1142 .tx_empty = ftdi_tx_empty,
1143 };
1144
1145 static struct usb_serial_driver * const serial_drivers[] = {
1146 &ftdi_sio_device, NULL
1147 };
1148
1149
1150 #define WDR_TIMEOUT 5000 /* default urb timeout */
1151 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
1152
1153 /*
1154 * ***************************************************************************
1155 * Utility functions
1156 * ***************************************************************************
1157 */
1158
ftdi_232am_baud_base_to_divisor(int baud,int base)1159 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
1160 {
1161 unsigned short int divisor;
1162 /* divisor shifted 3 bits to the left */
1163 int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1164 if ((divisor3 & 0x7) == 7)
1165 divisor3++; /* round x.7/8 up to x+1 */
1166 divisor = divisor3 >> 3;
1167 divisor3 &= 0x7;
1168 if (divisor3 == 1)
1169 divisor |= 0xc000;
1170 else if (divisor3 >= 4)
1171 divisor |= 0x4000;
1172 else if (divisor3 != 0)
1173 divisor |= 0x8000;
1174 else if (divisor == 1)
1175 divisor = 0; /* special case for maximum baud rate */
1176 return divisor;
1177 }
1178
ftdi_232am_baud_to_divisor(int baud)1179 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
1180 {
1181 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
1182 }
1183
ftdi_232bm_baud_base_to_divisor(int baud,int base)1184 static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
1185 {
1186 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1187 u32 divisor;
1188 /* divisor shifted 3 bits to the left */
1189 int divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud);
1190 divisor = divisor3 >> 3;
1191 divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1192 /* Deal with special cases for highest baud rates. */
1193 if (divisor == 1)
1194 divisor = 0;
1195 else if (divisor == 0x4001)
1196 divisor = 1;
1197 return divisor;
1198 }
1199
ftdi_232bm_baud_to_divisor(int baud)1200 static u32 ftdi_232bm_baud_to_divisor(int baud)
1201 {
1202 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
1203 }
1204
ftdi_2232h_baud_base_to_divisor(int baud,int base)1205 static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1206 {
1207 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1208 u32 divisor;
1209 int divisor3;
1210
1211 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1212 divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud);
1213
1214 divisor = divisor3 >> 3;
1215 divisor |= (u32)divfrac[divisor3 & 0x7] << 14;
1216 /* Deal with special cases for highest baud rates. */
1217 if (divisor == 1)
1218 divisor = 0;
1219 else if (divisor == 0x4001)
1220 divisor = 1;
1221 /*
1222 * Set this bit to turn off a divide by 2.5 on baud rate generator
1223 * This enables baud rates up to 12Mbaud but cannot reach below 1200
1224 * baud with this bit set
1225 */
1226 divisor |= 0x00020000;
1227 return divisor;
1228 }
1229
ftdi_2232h_baud_to_divisor(int baud)1230 static u32 ftdi_2232h_baud_to_divisor(int baud)
1231 {
1232 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1233 }
1234
1235 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
1236 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
1237
update_mctrl(struct usb_serial_port * port,unsigned int set,unsigned int clear)1238 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1239 unsigned int clear)
1240 {
1241 struct ftdi_private *priv = usb_get_serial_port_data(port);
1242 struct device *dev = &port->dev;
1243 unsigned value;
1244 int rv;
1245
1246 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1247 dev_dbg(dev, "%s - DTR|RTS not being set|cleared\n", __func__);
1248 return 0; /* no change */
1249 }
1250
1251 clear &= ~set; /* 'set' takes precedence over 'clear' */
1252 value = 0;
1253 if (clear & TIOCM_DTR)
1254 value |= FTDI_SIO_SET_DTR_LOW;
1255 if (clear & TIOCM_RTS)
1256 value |= FTDI_SIO_SET_RTS_LOW;
1257 if (set & TIOCM_DTR)
1258 value |= FTDI_SIO_SET_DTR_HIGH;
1259 if (set & TIOCM_RTS)
1260 value |= FTDI_SIO_SET_RTS_HIGH;
1261 rv = usb_control_msg(port->serial->dev,
1262 usb_sndctrlpipe(port->serial->dev, 0),
1263 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1264 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1265 value, priv->interface,
1266 NULL, 0, WDR_TIMEOUT);
1267 if (rv < 0) {
1268 dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
1269 __func__,
1270 (set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1271 (set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1272 rv = usb_translate_errors(rv);
1273 } else {
1274 dev_dbg(dev, "%s - DTR %s, RTS %s\n", __func__,
1275 (set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1276 (set & TIOCM_RTS) ? "HIGH" : (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1277 /* FIXME: locking on last_dtr_rts */
1278 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1279 }
1280 return rv;
1281 }
1282
1283
get_ftdi_divisor(struct tty_struct * tty,struct usb_serial_port * port)1284 static u32 get_ftdi_divisor(struct tty_struct *tty,
1285 struct usb_serial_port *port)
1286 {
1287 struct ftdi_private *priv = usb_get_serial_port_data(port);
1288 struct device *dev = &port->dev;
1289 u32 div_value = 0;
1290 int div_okay = 1;
1291 int baud;
1292
1293 baud = tty_get_baud_rate(tty);
1294 dev_dbg(dev, "%s - tty_get_baud_rate reports speed %d\n", __func__, baud);
1295
1296 /*
1297 * Observe deprecated async-compatible custom_divisor hack, update
1298 * baudrate if needed.
1299 */
1300 if (baud == 38400 &&
1301 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1302 (priv->custom_divisor)) {
1303 baud = priv->baud_base / priv->custom_divisor;
1304 dev_dbg(dev, "%s - custom divisor %d sets baud rate to %d\n",
1305 __func__, priv->custom_divisor, baud);
1306 }
1307
1308 if (!baud)
1309 baud = 9600;
1310 switch (priv->chip_type) {
1311 case SIO: /* SIO chip */
1312 switch (baud) {
1313 case 300: div_value = ftdi_sio_b300; break;
1314 case 600: div_value = ftdi_sio_b600; break;
1315 case 1200: div_value = ftdi_sio_b1200; break;
1316 case 2400: div_value = ftdi_sio_b2400; break;
1317 case 4800: div_value = ftdi_sio_b4800; break;
1318 case 9600: div_value = ftdi_sio_b9600; break;
1319 case 19200: div_value = ftdi_sio_b19200; break;
1320 case 38400: div_value = ftdi_sio_b38400; break;
1321 case 57600: div_value = ftdi_sio_b57600; break;
1322 case 115200: div_value = ftdi_sio_b115200; break;
1323 default:
1324 dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
1325 __func__, baud);
1326 div_value = ftdi_sio_b9600;
1327 baud = 9600;
1328 div_okay = 0;
1329 }
1330 break;
1331 case FT8U232AM: /* 8U232AM chip */
1332 if (baud <= 3000000) {
1333 div_value = ftdi_232am_baud_to_divisor(baud);
1334 } else {
1335 dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1336 baud = 9600;
1337 div_value = ftdi_232am_baud_to_divisor(9600);
1338 div_okay = 0;
1339 }
1340 break;
1341 case FT232BM: /* FT232BM chip */
1342 case FT2232C: /* FT2232C chip */
1343 case FT232RL: /* FT232RL chip */
1344 case FTX: /* FT-X series */
1345 if (baud <= 3000000) {
1346 u16 product_id = le16_to_cpu(
1347 port->serial->dev->descriptor.idProduct);
1348 if (((product_id == FTDI_NDI_HUC_PID) ||
1349 (product_id == FTDI_NDI_SPECTRA_SCU_PID) ||
1350 (product_id == FTDI_NDI_FUTURE_2_PID) ||
1351 (product_id == FTDI_NDI_FUTURE_3_PID) ||
1352 (product_id == FTDI_NDI_AURORA_SCU_PID)) &&
1353 (baud == 19200)) {
1354 baud = 1200000;
1355 }
1356 div_value = ftdi_232bm_baud_to_divisor(baud);
1357 } else {
1358 dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1359 div_value = ftdi_232bm_baud_to_divisor(9600);
1360 div_okay = 0;
1361 baud = 9600;
1362 }
1363 break;
1364 case FT2232H: /* FT2232H chip */
1365 case FT4232H: /* FT4232H chip */
1366 case FT232H: /* FT232H chip */
1367 if ((baud <= 12000000) && (baud >= 1200)) {
1368 div_value = ftdi_2232h_baud_to_divisor(baud);
1369 } else if (baud < 1200) {
1370 div_value = ftdi_232bm_baud_to_divisor(baud);
1371 } else {
1372 dev_dbg(dev, "%s - Baud rate too high!\n", __func__);
1373 div_value = ftdi_232bm_baud_to_divisor(9600);
1374 div_okay = 0;
1375 baud = 9600;
1376 }
1377 break;
1378 } /* priv->chip_type */
1379
1380 if (div_okay) {
1381 dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
1382 __func__, baud, (unsigned long)div_value,
1383 ftdi_chip_name[priv->chip_type]);
1384 }
1385
1386 tty_encode_baud_rate(tty, baud, baud);
1387 return div_value;
1388 }
1389
change_speed(struct tty_struct * tty,struct usb_serial_port * port)1390 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1391 {
1392 struct ftdi_private *priv = usb_get_serial_port_data(port);
1393 u16 value;
1394 u16 index;
1395 u32 index_value;
1396 int rv;
1397
1398 index_value = get_ftdi_divisor(tty, port);
1399 value = (u16)index_value;
1400 index = (u16)(index_value >> 16);
1401 if (priv->chip_type == FT2232C || priv->chip_type == FT2232H ||
1402 priv->chip_type == FT4232H || priv->chip_type == FT232H ||
1403 priv->chip_type == FTX) {
1404 /* Probably the BM type needs the MSB of the encoded fractional
1405 * divider also moved like for the chips above. Any infos? */
1406 index = (u16)((index << 8) | priv->interface);
1407 }
1408
1409 rv = usb_control_msg(port->serial->dev,
1410 usb_sndctrlpipe(port->serial->dev, 0),
1411 FTDI_SIO_SET_BAUDRATE_REQUEST,
1412 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1413 value, index,
1414 NULL, 0, WDR_SHORT_TIMEOUT);
1415 return rv;
1416 }
1417
write_latency_timer(struct usb_serial_port * port)1418 static int write_latency_timer(struct usb_serial_port *port)
1419 {
1420 struct ftdi_private *priv = usb_get_serial_port_data(port);
1421 struct usb_device *udev = port->serial->dev;
1422 int rv;
1423 int l = priv->latency;
1424
1425 if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1426 return -EINVAL;
1427
1428 if (priv->flags & ASYNC_LOW_LATENCY)
1429 l = 1;
1430
1431 dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1432
1433 rv = usb_control_msg(udev,
1434 usb_sndctrlpipe(udev, 0),
1435 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1436 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1437 l, priv->interface,
1438 NULL, 0, WDR_TIMEOUT);
1439 if (rv < 0)
1440 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1441 return rv;
1442 }
1443
_read_latency_timer(struct usb_serial_port * port)1444 static int _read_latency_timer(struct usb_serial_port *port)
1445 {
1446 struct ftdi_private *priv = usb_get_serial_port_data(port);
1447 struct usb_device *udev = port->serial->dev;
1448 unsigned char *buf;
1449 int rv;
1450
1451 buf = kmalloc(1, GFP_KERNEL);
1452 if (!buf)
1453 return -ENOMEM;
1454
1455 rv = usb_control_msg(udev,
1456 usb_rcvctrlpipe(udev, 0),
1457 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1458 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1459 0, priv->interface,
1460 buf, 1, WDR_TIMEOUT);
1461 if (rv < 1) {
1462 if (rv >= 0)
1463 rv = -EIO;
1464 } else {
1465 rv = buf[0];
1466 }
1467
1468 kfree(buf);
1469
1470 return rv;
1471 }
1472
read_latency_timer(struct usb_serial_port * port)1473 static int read_latency_timer(struct usb_serial_port *port)
1474 {
1475 struct ftdi_private *priv = usb_get_serial_port_data(port);
1476 int rv;
1477
1478 if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
1479 return -EINVAL;
1480
1481 rv = _read_latency_timer(port);
1482 if (rv < 0) {
1483 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1484 return rv;
1485 }
1486
1487 priv->latency = rv;
1488
1489 return 0;
1490 }
1491
get_serial_info(struct tty_struct * tty,struct serial_struct * ss)1492 static int get_serial_info(struct tty_struct *tty,
1493 struct serial_struct *ss)
1494 {
1495 struct usb_serial_port *port = tty->driver_data;
1496 struct ftdi_private *priv = usb_get_serial_port_data(port);
1497
1498 ss->flags = priv->flags;
1499 ss->baud_base = priv->baud_base;
1500 ss->custom_divisor = priv->custom_divisor;
1501 return 0;
1502 }
1503
set_serial_info(struct tty_struct * tty,struct serial_struct * ss)1504 static int set_serial_info(struct tty_struct *tty,
1505 struct serial_struct *ss)
1506 {
1507 struct usb_serial_port *port = tty->driver_data;
1508 struct ftdi_private *priv = usb_get_serial_port_data(port);
1509 struct ftdi_private old_priv;
1510
1511 mutex_lock(&priv->cfg_lock);
1512 old_priv = *priv;
1513
1514 /* Do error checking and permission checking */
1515
1516 if (!capable(CAP_SYS_ADMIN)) {
1517 if ((ss->flags ^ priv->flags) & ~ASYNC_USR_MASK) {
1518 mutex_unlock(&priv->cfg_lock);
1519 return -EPERM;
1520 }
1521 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1522 (ss->flags & ASYNC_USR_MASK));
1523 priv->custom_divisor = ss->custom_divisor;
1524 goto check_and_exit;
1525 }
1526
1527 if (ss->baud_base != priv->baud_base) {
1528 mutex_unlock(&priv->cfg_lock);
1529 return -EINVAL;
1530 }
1531
1532 /* Make the changes - these are privileged changes! */
1533
1534 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1535 (ss->flags & ASYNC_FLAGS));
1536 priv->custom_divisor = ss->custom_divisor;
1537
1538 check_and_exit:
1539 write_latency_timer(port);
1540
1541 if ((priv->flags ^ old_priv.flags) & ASYNC_SPD_MASK ||
1542 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
1543 priv->custom_divisor != old_priv.custom_divisor)) {
1544
1545 /* warn about deprecation unless clearing */
1546 if (priv->flags & ASYNC_SPD_MASK)
1547 dev_warn_ratelimited(&port->dev, "use of SPD flags is deprecated\n");
1548
1549 change_speed(tty, port);
1550 }
1551 mutex_unlock(&priv->cfg_lock);
1552 return 0;
1553 }
1554
get_lsr_info(struct usb_serial_port * port,unsigned int __user * retinfo)1555 static int get_lsr_info(struct usb_serial_port *port,
1556 unsigned int __user *retinfo)
1557 {
1558 struct ftdi_private *priv = usb_get_serial_port_data(port);
1559 unsigned int result = 0;
1560
1561 if (priv->transmit_empty)
1562 result = TIOCSER_TEMT;
1563
1564 if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1565 return -EFAULT;
1566 return 0;
1567 }
1568
1569
1570 /* Determine type of FTDI chip based on USB config and descriptor. */
ftdi_determine_type(struct usb_serial_port * port)1571 static void ftdi_determine_type(struct usb_serial_port *port)
1572 {
1573 struct ftdi_private *priv = usb_get_serial_port_data(port);
1574 struct usb_serial *serial = port->serial;
1575 struct usb_device *udev = serial->dev;
1576 unsigned version;
1577 unsigned interfaces;
1578
1579 /* Assume it is not the original SIO device for now. */
1580 priv->baud_base = 48000000 / 2;
1581
1582 version = le16_to_cpu(udev->descriptor.bcdDevice);
1583 interfaces = udev->actconfig->desc.bNumInterfaces;
1584 dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
1585 version, interfaces);
1586 if (interfaces > 1) {
1587 struct usb_interface *intf = serial->interface;
1588 int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
1589
1590 /* Multiple interfaces.*/
1591 if (version == 0x0800) {
1592 priv->chip_type = FT4232H;
1593 /* Hi-speed - baud clock runs at 120MHz */
1594 priv->baud_base = 120000000 / 2;
1595 } else if (version == 0x0700) {
1596 priv->chip_type = FT2232H;
1597 /* Hi-speed - baud clock runs at 120MHz */
1598 priv->baud_base = 120000000 / 2;
1599 } else
1600 priv->chip_type = FT2232C;
1601
1602 /* Determine interface code. */
1603 if (ifnum == 0)
1604 priv->interface = INTERFACE_A;
1605 else if (ifnum == 1)
1606 priv->interface = INTERFACE_B;
1607 else if (ifnum == 2)
1608 priv->interface = INTERFACE_C;
1609 else if (ifnum == 3)
1610 priv->interface = INTERFACE_D;
1611
1612 /* BM-type devices have a bug where bcdDevice gets set
1613 * to 0x200 when iSerialNumber is 0. */
1614 if (version < 0x500) {
1615 dev_dbg(&port->dev,
1616 "%s: something fishy - bcdDevice too low for multi-interface device\n",
1617 __func__);
1618 }
1619 } else if (version < 0x200) {
1620 /* Old device. Assume it's the original SIO. */
1621 priv->chip_type = SIO;
1622 priv->baud_base = 12000000 / 16;
1623 } else if (version < 0x400) {
1624 /* Assume it's an FT8U232AM (or FT8U245AM) */
1625 priv->chip_type = FT8U232AM;
1626 /*
1627 * It might be a BM type because of the iSerialNumber bug.
1628 * If iSerialNumber==0 and the latency timer is readable,
1629 * assume it is BM type.
1630 */
1631 if (udev->descriptor.iSerialNumber == 0 &&
1632 _read_latency_timer(port) >= 0) {
1633 dev_dbg(&port->dev,
1634 "%s: has latency timer so not an AM type\n",
1635 __func__);
1636 priv->chip_type = FT232BM;
1637 }
1638 } else if (version < 0x600) {
1639 /* Assume it's an FT232BM (or FT245BM) */
1640 priv->chip_type = FT232BM;
1641 } else if (version < 0x900) {
1642 /* Assume it's an FT232RL */
1643 priv->chip_type = FT232RL;
1644 } else if (version < 0x1000) {
1645 /* Assume it's an FT232H */
1646 priv->chip_type = FT232H;
1647 } else {
1648 /* Assume it's an FT-X series device */
1649 priv->chip_type = FTX;
1650 }
1651
1652 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1653 }
1654
1655
1656 /*
1657 * Determine the maximum packet size for the device. This depends on the chip
1658 * type and the USB host capabilities. The value should be obtained from the
1659 * device descriptor as the chip will use the appropriate values for the host.
1660 */
ftdi_set_max_packet_size(struct usb_serial_port * port)1661 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1662 {
1663 struct ftdi_private *priv = usb_get_serial_port_data(port);
1664 struct usb_interface *interface = port->serial->interface;
1665 struct usb_endpoint_descriptor *ep_desc;
1666 unsigned num_endpoints;
1667 unsigned i;
1668
1669 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1670 if (!num_endpoints)
1671 return;
1672
1673 /*
1674 * NOTE: Some customers have programmed FT232R/FT245R devices
1675 * with an endpoint size of 0 - not good. In this case, we
1676 * want to override the endpoint descriptor setting and use a
1677 * value of 64 for wMaxPacketSize.
1678 */
1679 for (i = 0; i < num_endpoints; i++) {
1680 ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1681 if (!ep_desc->wMaxPacketSize) {
1682 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1683 dev_warn(&port->dev, "Overriding wMaxPacketSize on endpoint %d\n",
1684 usb_endpoint_num(ep_desc));
1685 }
1686 }
1687
1688 /* Set max packet size based on last descriptor. */
1689 priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1690 }
1691
1692
1693 /*
1694 * ***************************************************************************
1695 * Sysfs Attribute
1696 * ***************************************************************************
1697 */
1698
latency_timer_show(struct device * dev,struct device_attribute * attr,char * buf)1699 static ssize_t latency_timer_show(struct device *dev,
1700 struct device_attribute *attr, char *buf)
1701 {
1702 struct usb_serial_port *port = to_usb_serial_port(dev);
1703 struct ftdi_private *priv = usb_get_serial_port_data(port);
1704 if (priv->flags & ASYNC_LOW_LATENCY)
1705 return sprintf(buf, "1\n");
1706 else
1707 return sprintf(buf, "%i\n", priv->latency);
1708 }
1709
1710 /* 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)1711 static ssize_t latency_timer_store(struct device *dev,
1712 struct device_attribute *attr,
1713 const char *valbuf, size_t count)
1714 {
1715 struct usb_serial_port *port = to_usb_serial_port(dev);
1716 struct ftdi_private *priv = usb_get_serial_port_data(port);
1717 u8 v;
1718 int rv;
1719
1720 if (kstrtou8(valbuf, 10, &v))
1721 return -EINVAL;
1722
1723 priv->latency = v;
1724 rv = write_latency_timer(port);
1725 if (rv < 0)
1726 return -EIO;
1727 return count;
1728 }
1729 static DEVICE_ATTR_RW(latency_timer);
1730
1731 /* Write an event character directly to the FTDI register. The ASCII
1732 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)1733 static ssize_t event_char_store(struct device *dev,
1734 struct device_attribute *attr, const char *valbuf, size_t count)
1735 {
1736 struct usb_serial_port *port = to_usb_serial_port(dev);
1737 struct ftdi_private *priv = usb_get_serial_port_data(port);
1738 struct usb_device *udev = port->serial->dev;
1739 unsigned int v;
1740 int rv;
1741
1742 if (kstrtouint(valbuf, 0, &v) || v >= 0x200)
1743 return -EINVAL;
1744
1745 dev_dbg(&port->dev, "%s: setting event char = 0x%03x\n", __func__, v);
1746
1747 rv = usb_control_msg(udev,
1748 usb_sndctrlpipe(udev, 0),
1749 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1750 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1751 v, priv->interface,
1752 NULL, 0, WDR_TIMEOUT);
1753 if (rv < 0) {
1754 dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
1755 return -EIO;
1756 }
1757
1758 return count;
1759 }
1760 static DEVICE_ATTR_WO(event_char);
1761
create_sysfs_attrs(struct usb_serial_port * port)1762 static int create_sysfs_attrs(struct usb_serial_port *port)
1763 {
1764 struct ftdi_private *priv = usb_get_serial_port_data(port);
1765 int retval = 0;
1766
1767 /* XXX I've no idea if the original SIO supports the event_char
1768 * sysfs parameter, so I'm playing it safe. */
1769 if (priv->chip_type != SIO) {
1770 dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
1771 retval = device_create_file(&port->dev, &dev_attr_event_char);
1772 if ((!retval) &&
1773 (priv->chip_type == FT232BM ||
1774 priv->chip_type == FT2232C ||
1775 priv->chip_type == FT232RL ||
1776 priv->chip_type == FT2232H ||
1777 priv->chip_type == FT4232H ||
1778 priv->chip_type == FT232H ||
1779 priv->chip_type == FTX)) {
1780 retval = device_create_file(&port->dev,
1781 &dev_attr_latency_timer);
1782 }
1783 }
1784 return retval;
1785 }
1786
remove_sysfs_attrs(struct usb_serial_port * port)1787 static void remove_sysfs_attrs(struct usb_serial_port *port)
1788 {
1789 struct ftdi_private *priv = usb_get_serial_port_data(port);
1790
1791 /* XXX see create_sysfs_attrs */
1792 if (priv->chip_type != SIO) {
1793 device_remove_file(&port->dev, &dev_attr_event_char);
1794 if (priv->chip_type == FT232BM ||
1795 priv->chip_type == FT2232C ||
1796 priv->chip_type == FT232RL ||
1797 priv->chip_type == FT2232H ||
1798 priv->chip_type == FT4232H ||
1799 priv->chip_type == FT232H ||
1800 priv->chip_type == FTX) {
1801 device_remove_file(&port->dev, &dev_attr_latency_timer);
1802 }
1803 }
1804
1805 }
1806
1807 #ifdef CONFIG_GPIOLIB
1808
ftdi_set_bitmode(struct usb_serial_port * port,u8 mode)1809 static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
1810 {
1811 struct ftdi_private *priv = usb_get_serial_port_data(port);
1812 struct usb_serial *serial = port->serial;
1813 int result;
1814 u16 val;
1815
1816 result = usb_autopm_get_interface(serial->interface);
1817 if (result)
1818 return result;
1819
1820 val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value;
1821 result = usb_control_msg(serial->dev,
1822 usb_sndctrlpipe(serial->dev, 0),
1823 FTDI_SIO_SET_BITMODE_REQUEST,
1824 FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
1825 priv->interface, NULL, 0, WDR_TIMEOUT);
1826 if (result < 0) {
1827 dev_err(&serial->interface->dev,
1828 "bitmode request failed for value 0x%04x: %d\n",
1829 val, result);
1830 }
1831
1832 usb_autopm_put_interface(serial->interface);
1833
1834 return result;
1835 }
1836
ftdi_set_cbus_pins(struct usb_serial_port * port)1837 static int ftdi_set_cbus_pins(struct usb_serial_port *port)
1838 {
1839 return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_CBUS);
1840 }
1841
ftdi_exit_cbus_mode(struct usb_serial_port * port)1842 static int ftdi_exit_cbus_mode(struct usb_serial_port *port)
1843 {
1844 struct ftdi_private *priv = usb_get_serial_port_data(port);
1845
1846 priv->gpio_output = 0;
1847 priv->gpio_value = 0;
1848 return ftdi_set_bitmode(port, FTDI_SIO_BITMODE_RESET);
1849 }
1850
ftdi_gpio_request(struct gpio_chip * gc,unsigned int offset)1851 static int ftdi_gpio_request(struct gpio_chip *gc, unsigned int offset)
1852 {
1853 struct usb_serial_port *port = gpiochip_get_data(gc);
1854 struct ftdi_private *priv = usb_get_serial_port_data(port);
1855 int result;
1856
1857 if (priv->gpio_altfunc & BIT(offset))
1858 return -ENODEV;
1859
1860 mutex_lock(&priv->gpio_lock);
1861 if (!priv->gpio_used) {
1862 /* Set default pin states, as we cannot get them from device */
1863 priv->gpio_output = 0x00;
1864 priv->gpio_value = 0x00;
1865 result = ftdi_set_cbus_pins(port);
1866 if (result) {
1867 mutex_unlock(&priv->gpio_lock);
1868 return result;
1869 }
1870
1871 priv->gpio_used = true;
1872 }
1873 mutex_unlock(&priv->gpio_lock);
1874
1875 return 0;
1876 }
1877
ftdi_read_cbus_pins(struct usb_serial_port * port)1878 static int ftdi_read_cbus_pins(struct usb_serial_port *port)
1879 {
1880 struct ftdi_private *priv = usb_get_serial_port_data(port);
1881 struct usb_serial *serial = port->serial;
1882 unsigned char *buf;
1883 int result;
1884
1885 result = usb_autopm_get_interface(serial->interface);
1886 if (result)
1887 return result;
1888
1889 buf = kmalloc(1, GFP_KERNEL);
1890 if (!buf) {
1891 usb_autopm_put_interface(serial->interface);
1892 return -ENOMEM;
1893 }
1894
1895 result = usb_control_msg(serial->dev,
1896 usb_rcvctrlpipe(serial->dev, 0),
1897 FTDI_SIO_READ_PINS_REQUEST,
1898 FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
1899 priv->interface, buf, 1, WDR_TIMEOUT);
1900 if (result < 1) {
1901 if (result >= 0)
1902 result = -EIO;
1903 } else {
1904 result = buf[0];
1905 }
1906
1907 kfree(buf);
1908 usb_autopm_put_interface(serial->interface);
1909
1910 return result;
1911 }
1912
ftdi_gpio_get(struct gpio_chip * gc,unsigned int gpio)1913 static int ftdi_gpio_get(struct gpio_chip *gc, unsigned int gpio)
1914 {
1915 struct usb_serial_port *port = gpiochip_get_data(gc);
1916 int result;
1917
1918 result = ftdi_read_cbus_pins(port);
1919 if (result < 0)
1920 return result;
1921
1922 return !!(result & BIT(gpio));
1923 }
1924
ftdi_gpio_set(struct gpio_chip * gc,unsigned int gpio,int value)1925 static void ftdi_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
1926 {
1927 struct usb_serial_port *port = gpiochip_get_data(gc);
1928 struct ftdi_private *priv = usb_get_serial_port_data(port);
1929
1930 mutex_lock(&priv->gpio_lock);
1931
1932 if (value)
1933 priv->gpio_value |= BIT(gpio);
1934 else
1935 priv->gpio_value &= ~BIT(gpio);
1936
1937 ftdi_set_cbus_pins(port);
1938
1939 mutex_unlock(&priv->gpio_lock);
1940 }
1941
ftdi_gpio_get_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1942 static int ftdi_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask,
1943 unsigned long *bits)
1944 {
1945 struct usb_serial_port *port = gpiochip_get_data(gc);
1946 int result;
1947
1948 result = ftdi_read_cbus_pins(port);
1949 if (result < 0)
1950 return result;
1951
1952 *bits = result & *mask;
1953
1954 return 0;
1955 }
1956
ftdi_gpio_set_multiple(struct gpio_chip * gc,unsigned long * mask,unsigned long * bits)1957 static void ftdi_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
1958 unsigned long *bits)
1959 {
1960 struct usb_serial_port *port = gpiochip_get_data(gc);
1961 struct ftdi_private *priv = usb_get_serial_port_data(port);
1962
1963 mutex_lock(&priv->gpio_lock);
1964
1965 priv->gpio_value &= ~(*mask);
1966 priv->gpio_value |= *bits & *mask;
1967 ftdi_set_cbus_pins(port);
1968
1969 mutex_unlock(&priv->gpio_lock);
1970 }
1971
ftdi_gpio_direction_get(struct gpio_chip * gc,unsigned int gpio)1972 static int ftdi_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
1973 {
1974 struct usb_serial_port *port = gpiochip_get_data(gc);
1975 struct ftdi_private *priv = usb_get_serial_port_data(port);
1976
1977 return !(priv->gpio_output & BIT(gpio));
1978 }
1979
ftdi_gpio_direction_input(struct gpio_chip * gc,unsigned int gpio)1980 static int ftdi_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
1981 {
1982 struct usb_serial_port *port = gpiochip_get_data(gc);
1983 struct ftdi_private *priv = usb_get_serial_port_data(port);
1984 int result;
1985
1986 mutex_lock(&priv->gpio_lock);
1987
1988 priv->gpio_output &= ~BIT(gpio);
1989 result = ftdi_set_cbus_pins(port);
1990
1991 mutex_unlock(&priv->gpio_lock);
1992
1993 return result;
1994 }
1995
ftdi_gpio_direction_output(struct gpio_chip * gc,unsigned int gpio,int value)1996 static int ftdi_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
1997 int value)
1998 {
1999 struct usb_serial_port *port = gpiochip_get_data(gc);
2000 struct ftdi_private *priv = usb_get_serial_port_data(port);
2001 int result;
2002
2003 mutex_lock(&priv->gpio_lock);
2004
2005 priv->gpio_output |= BIT(gpio);
2006 if (value)
2007 priv->gpio_value |= BIT(gpio);
2008 else
2009 priv->gpio_value &= ~BIT(gpio);
2010
2011 result = ftdi_set_cbus_pins(port);
2012
2013 mutex_unlock(&priv->gpio_lock);
2014
2015 return result;
2016 }
2017
ftdi_read_eeprom(struct usb_serial * serial,void * dst,u16 addr,u16 nbytes)2018 static int ftdi_read_eeprom(struct usb_serial *serial, void *dst, u16 addr,
2019 u16 nbytes)
2020 {
2021 int read = 0;
2022
2023 if (addr % 2 != 0)
2024 return -EINVAL;
2025 if (nbytes % 2 != 0)
2026 return -EINVAL;
2027
2028 /* Read EEPROM two bytes at a time */
2029 while (read < nbytes) {
2030 int rv;
2031
2032 rv = usb_control_msg(serial->dev,
2033 usb_rcvctrlpipe(serial->dev, 0),
2034 FTDI_SIO_READ_EEPROM_REQUEST,
2035 FTDI_SIO_READ_EEPROM_REQUEST_TYPE,
2036 0, (addr + read) / 2, dst + read, 2,
2037 WDR_TIMEOUT);
2038 if (rv < 2) {
2039 if (rv >= 0)
2040 return -EIO;
2041 else
2042 return rv;
2043 }
2044
2045 read += rv;
2046 }
2047
2048 return 0;
2049 }
2050
ftdi_gpio_init_ft232h(struct usb_serial_port * port)2051 static int ftdi_gpio_init_ft232h(struct usb_serial_port *port)
2052 {
2053 struct ftdi_private *priv = usb_get_serial_port_data(port);
2054 u16 cbus_config;
2055 u8 *buf;
2056 int ret;
2057 int i;
2058
2059 buf = kmalloc(4, GFP_KERNEL);
2060 if (!buf)
2061 return -ENOMEM;
2062
2063 ret = ftdi_read_eeprom(port->serial, buf, 0x1a, 4);
2064 if (ret < 0)
2065 goto out_free;
2066
2067 /*
2068 * FT232H CBUS Memory Map
2069 *
2070 * 0x1a: X- (upper nibble -> AC5)
2071 * 0x1b: -X (lower nibble -> AC6)
2072 * 0x1c: XX (upper nibble -> AC9 | lower nibble -> AC8)
2073 */
2074 cbus_config = buf[2] << 8 | (buf[1] & 0xf) << 4 | (buf[0] & 0xf0) >> 4;
2075
2076 priv->gc.ngpio = 4;
2077 priv->gpio_altfunc = 0xff;
2078
2079 for (i = 0; i < priv->gc.ngpio; ++i) {
2080 if ((cbus_config & 0xf) == FTDI_FTX_CBUS_MUX_GPIO)
2081 priv->gpio_altfunc &= ~BIT(i);
2082 cbus_config >>= 4;
2083 }
2084
2085 out_free:
2086 kfree(buf);
2087
2088 return ret;
2089 }
2090
ftdi_gpio_init_ft232r(struct usb_serial_port * port)2091 static int ftdi_gpio_init_ft232r(struct usb_serial_port *port)
2092 {
2093 struct ftdi_private *priv = usb_get_serial_port_data(port);
2094 u16 cbus_config;
2095 u8 *buf;
2096 int ret;
2097 int i;
2098
2099 buf = kmalloc(2, GFP_KERNEL);
2100 if (!buf)
2101 return -ENOMEM;
2102
2103 ret = ftdi_read_eeprom(port->serial, buf, 0x14, 2);
2104 if (ret < 0)
2105 goto out_free;
2106
2107 cbus_config = le16_to_cpup((__le16 *)buf);
2108 dev_dbg(&port->dev, "cbus_config = 0x%04x\n", cbus_config);
2109
2110 priv->gc.ngpio = 4;
2111
2112 priv->gpio_altfunc = 0xff;
2113 for (i = 0; i < priv->gc.ngpio; ++i) {
2114 if ((cbus_config & 0xf) == FTDI_FT232R_CBUS_MUX_GPIO)
2115 priv->gpio_altfunc &= ~BIT(i);
2116 cbus_config >>= 4;
2117 }
2118 out_free:
2119 kfree(buf);
2120
2121 return ret;
2122 }
2123
ftdi_gpio_init_ftx(struct usb_serial_port * port)2124 static int ftdi_gpio_init_ftx(struct usb_serial_port *port)
2125 {
2126 struct ftdi_private *priv = usb_get_serial_port_data(port);
2127 struct usb_serial *serial = port->serial;
2128 const u16 cbus_cfg_addr = 0x1a;
2129 const u16 cbus_cfg_size = 4;
2130 u8 *cbus_cfg_buf;
2131 int result;
2132 u8 i;
2133
2134 cbus_cfg_buf = kmalloc(cbus_cfg_size, GFP_KERNEL);
2135 if (!cbus_cfg_buf)
2136 return -ENOMEM;
2137
2138 result = ftdi_read_eeprom(serial, cbus_cfg_buf,
2139 cbus_cfg_addr, cbus_cfg_size);
2140 if (result < 0)
2141 goto out_free;
2142
2143 /* FIXME: FT234XD alone has 1 GPIO, but how to recognize this IC? */
2144 priv->gc.ngpio = 4;
2145
2146 /* Determine which pins are configured for CBUS bitbanging */
2147 priv->gpio_altfunc = 0xff;
2148 for (i = 0; i < priv->gc.ngpio; ++i) {
2149 if (cbus_cfg_buf[i] == FTDI_FTX_CBUS_MUX_GPIO)
2150 priv->gpio_altfunc &= ~BIT(i);
2151 }
2152
2153 out_free:
2154 kfree(cbus_cfg_buf);
2155
2156 return result;
2157 }
2158
ftdi_gpio_init(struct usb_serial_port * port)2159 static int ftdi_gpio_init(struct usb_serial_port *port)
2160 {
2161 struct ftdi_private *priv = usb_get_serial_port_data(port);
2162 struct usb_serial *serial = port->serial;
2163 int result;
2164
2165 switch (priv->chip_type) {
2166 case FT232H:
2167 result = ftdi_gpio_init_ft232h(port);
2168 break;
2169 case FT232RL:
2170 result = ftdi_gpio_init_ft232r(port);
2171 break;
2172 case FTX:
2173 result = ftdi_gpio_init_ftx(port);
2174 break;
2175 default:
2176 return 0;
2177 }
2178
2179 if (result < 0)
2180 return result;
2181
2182 mutex_init(&priv->gpio_lock);
2183
2184 priv->gc.label = "ftdi-cbus";
2185 priv->gc.request = ftdi_gpio_request;
2186 priv->gc.get_direction = ftdi_gpio_direction_get;
2187 priv->gc.direction_input = ftdi_gpio_direction_input;
2188 priv->gc.direction_output = ftdi_gpio_direction_output;
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 int 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 return 0;
2409 }
2410
ftdi_open(struct tty_struct * tty,struct usb_serial_port * port)2411 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
2412 {
2413 struct usb_device *dev = port->serial->dev;
2414 struct ftdi_private *priv = usb_get_serial_port_data(port);
2415
2416 /* No error checking for this (will get errors later anyway) */
2417 /* See ftdi_sio.h for description of what is reset */
2418 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2419 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
2420 FTDI_SIO_RESET_SIO,
2421 priv->interface, NULL, 0, WDR_TIMEOUT);
2422
2423 /* Termios defaults are set by usb_serial_init. We don't change
2424 port->tty->termios - this would lose speed settings, etc.
2425 This is same behaviour as serial.c/rs_open() - Kuba */
2426
2427 /* ftdi_set_termios will send usb control messages */
2428 if (tty)
2429 ftdi_set_termios(tty, port, NULL);
2430
2431 return usb_serial_generic_open(tty, port);
2432 }
2433
ftdi_dtr_rts(struct usb_serial_port * port,int on)2434 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
2435 {
2436 struct ftdi_private *priv = usb_get_serial_port_data(port);
2437
2438 /* Disable flow control */
2439 if (!on) {
2440 if (usb_control_msg(port->serial->dev,
2441 usb_sndctrlpipe(port->serial->dev, 0),
2442 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2443 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2444 0, priv->interface, NULL, 0,
2445 WDR_TIMEOUT) < 0) {
2446 dev_err(&port->dev, "error from flowcontrol urb\n");
2447 }
2448 }
2449 /* drop RTS and DTR */
2450 if (on)
2451 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2452 else
2453 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2454 }
2455
2456 /* The SIO requires the first byte to have:
2457 * B0 1
2458 * B1 0
2459 * B2..7 length of message excluding byte 0
2460 *
2461 * The new devices do not require this byte
2462 */
ftdi_prepare_write_buffer(struct usb_serial_port * port,void * dest,size_t size)2463 static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
2464 void *dest, size_t size)
2465 {
2466 struct ftdi_private *priv;
2467 int count;
2468 unsigned long flags;
2469
2470 priv = usb_get_serial_port_data(port);
2471
2472 if (priv->chip_type == SIO) {
2473 unsigned char *buffer = dest;
2474 int i, len, c;
2475
2476 count = 0;
2477 spin_lock_irqsave(&port->lock, flags);
2478 for (i = 0; i < size - 1; i += priv->max_packet_size) {
2479 len = min_t(int, size - i, priv->max_packet_size) - 1;
2480 c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
2481 if (!c)
2482 break;
2483 port->icount.tx += c;
2484 buffer[i] = (c << 2) + 1;
2485 count += c + 1;
2486 }
2487 spin_unlock_irqrestore(&port->lock, flags);
2488 } else {
2489 count = kfifo_out_locked(&port->write_fifo, dest, size,
2490 &port->lock);
2491 port->icount.tx += count;
2492 }
2493
2494 return count;
2495 }
2496
2497 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
2498
ftdi_process_packet(struct usb_serial_port * port,struct ftdi_private * priv,unsigned char * buf,int len)2499 static int ftdi_process_packet(struct usb_serial_port *port,
2500 struct ftdi_private *priv, unsigned char *buf, int len)
2501 {
2502 unsigned char status;
2503 bool brkint = false;
2504 int i;
2505 char flag;
2506
2507 if (len < 2) {
2508 dev_dbg(&port->dev, "malformed packet\n");
2509 return 0;
2510 }
2511
2512 /* Compare new line status to the old one, signal if different/
2513 N.B. packet may be processed more than once, but differences
2514 are only processed once. */
2515 status = buf[0] & FTDI_STATUS_B0_MASK;
2516 if (status != priv->prev_status) {
2517 char diff_status = status ^ priv->prev_status;
2518
2519 if (diff_status & FTDI_RS0_CTS)
2520 port->icount.cts++;
2521 if (diff_status & FTDI_RS0_DSR)
2522 port->icount.dsr++;
2523 if (diff_status & FTDI_RS0_RI)
2524 port->icount.rng++;
2525 if (diff_status & FTDI_RS0_RLSD) {
2526 struct tty_struct *tty;
2527
2528 port->icount.dcd++;
2529 tty = tty_port_tty_get(&port->port);
2530 if (tty)
2531 usb_serial_handle_dcd_change(port, tty,
2532 status & FTDI_RS0_RLSD);
2533 tty_kref_put(tty);
2534 }
2535
2536 wake_up_interruptible(&port->port.delta_msr_wait);
2537 priv->prev_status = status;
2538 }
2539
2540 /* save if the transmitter is empty or not */
2541 if (buf[1] & FTDI_RS_TEMT)
2542 priv->transmit_empty = 1;
2543 else
2544 priv->transmit_empty = 0;
2545
2546 if (len == 2)
2547 return 0; /* status only */
2548
2549 /*
2550 * Break and error status must only be processed for packets with
2551 * data payload to avoid over-reporting.
2552 */
2553 flag = TTY_NORMAL;
2554 if (buf[1] & FTDI_RS_ERR_MASK) {
2555 /*
2556 * Break takes precedence over parity, which takes precedence
2557 * over framing errors. Note that break is only associated
2558 * with the last character in the buffer and only when it's a
2559 * NUL.
2560 */
2561 if (buf[1] & FTDI_RS_BI && buf[len - 1] == '\0') {
2562 port->icount.brk++;
2563 brkint = true;
2564 }
2565 if (buf[1] & FTDI_RS_PE) {
2566 flag = TTY_PARITY;
2567 port->icount.parity++;
2568 } else if (buf[1] & FTDI_RS_FE) {
2569 flag = TTY_FRAME;
2570 port->icount.frame++;
2571 }
2572 /* Overrun is special, not associated with a char */
2573 if (buf[1] & FTDI_RS_OE) {
2574 port->icount.overrun++;
2575 tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
2576 }
2577 }
2578
2579 port->icount.rx += len - 2;
2580
2581 if (brkint || port->sysrq) {
2582 for (i = 2; i < len; i++) {
2583 if (brkint && i == len - 1) {
2584 if (usb_serial_handle_break(port))
2585 return len - 3;
2586 flag = TTY_BREAK;
2587 }
2588 if (usb_serial_handle_sysrq_char(port, buf[i]))
2589 continue;
2590 tty_insert_flip_char(&port->port, buf[i], flag);
2591 }
2592 } else {
2593 tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
2594 len - 2);
2595 }
2596
2597 return len - 2;
2598 }
2599
ftdi_process_read_urb(struct urb * urb)2600 static void ftdi_process_read_urb(struct urb *urb)
2601 {
2602 struct usb_serial_port *port = urb->context;
2603 struct ftdi_private *priv = usb_get_serial_port_data(port);
2604 char *data = urb->transfer_buffer;
2605 int i;
2606 int len;
2607 int count = 0;
2608
2609 for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2610 len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2611 count += ftdi_process_packet(port, priv, &data[i], len);
2612 }
2613
2614 if (count)
2615 tty_flip_buffer_push(&port->port);
2616 }
2617
ftdi_break_ctl(struct tty_struct * tty,int break_state)2618 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2619 {
2620 struct usb_serial_port *port = tty->driver_data;
2621 struct ftdi_private *priv = usb_get_serial_port_data(port);
2622 u16 value;
2623
2624 /* break_state = -1 to turn on break, and 0 to turn off break */
2625 /* see drivers/char/tty_io.c to see it used */
2626 /* last_set_data_value NEVER has the break bit set in it */
2627
2628 if (break_state)
2629 value = priv->last_set_data_value | FTDI_SIO_SET_BREAK;
2630 else
2631 value = priv->last_set_data_value;
2632
2633 if (usb_control_msg(port->serial->dev,
2634 usb_sndctrlpipe(port->serial->dev, 0),
2635 FTDI_SIO_SET_DATA_REQUEST,
2636 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2637 value , priv->interface,
2638 NULL, 0, WDR_TIMEOUT) < 0) {
2639 dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
2640 __func__, break_state);
2641 }
2642
2643 dev_dbg(&port->dev, "%s break state is %d - urb is %d\n", __func__,
2644 break_state, value);
2645
2646 }
2647
ftdi_tx_empty(struct usb_serial_port * port)2648 static bool ftdi_tx_empty(struct usb_serial_port *port)
2649 {
2650 unsigned char buf[2];
2651 int ret;
2652
2653 ret = ftdi_get_modem_status(port, buf);
2654 if (ret == 2) {
2655 if (!(buf[1] & FTDI_RS_TEMT))
2656 return false;
2657 }
2658
2659 return true;
2660 }
2661
2662 /* old_termios contains the original termios settings and tty->termios contains
2663 * the new setting to be used
2664 * WARNING: set_termios calls this with old_termios in kernel space
2665 */
ftdi_set_termios(struct tty_struct * tty,struct usb_serial_port * port,struct ktermios * old_termios)2666 static void ftdi_set_termios(struct tty_struct *tty,
2667 struct usb_serial_port *port, struct ktermios *old_termios)
2668 {
2669 struct usb_device *dev = port->serial->dev;
2670 struct device *ddev = &port->dev;
2671 struct ftdi_private *priv = usb_get_serial_port_data(port);
2672 struct ktermios *termios = &tty->termios;
2673 unsigned int cflag = termios->c_cflag;
2674 u16 value, index;
2675 int ret;
2676
2677 /* Force baud rate if this device requires it, unless it is set to
2678 B0. */
2679 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2680 dev_dbg(ddev, "%s: forcing baud rate for this device\n", __func__);
2681 tty_encode_baud_rate(tty, priv->force_baud,
2682 priv->force_baud);
2683 }
2684
2685 /* Force RTS-CTS if this device requires it. */
2686 if (priv->force_rtscts) {
2687 dev_dbg(ddev, "%s: forcing rtscts for this device\n", __func__);
2688 termios->c_cflag |= CRTSCTS;
2689 }
2690
2691 /*
2692 * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to
2693 * support CS5/6 and revert the CSIZE setting instead.
2694 *
2695 * CS5 however is used to control some smartcard readers which abuse
2696 * this limitation to switch modes. Original FTDI chips fall back to
2697 * eight data bits.
2698 *
2699 * TODO: Implement a quirk to only allow this with mentioned
2700 * readers. One I know of (Argolis Smartreader V1)
2701 * returns "USB smartcard server" as iInterface string.
2702 * The vendor didn't bother with a custom VID/PID of
2703 * course.
2704 */
2705 if (C_CSIZE(tty) == CS6) {
2706 dev_warn(ddev, "requested CSIZE setting not supported\n");
2707
2708 termios->c_cflag &= ~CSIZE;
2709 if (old_termios)
2710 termios->c_cflag |= old_termios->c_cflag & CSIZE;
2711 else
2712 termios->c_cflag |= CS8;
2713 }
2714
2715 cflag = termios->c_cflag;
2716
2717 if (!old_termios)
2718 goto no_skip;
2719
2720 if (old_termios->c_cflag == termios->c_cflag
2721 && old_termios->c_ispeed == termios->c_ispeed
2722 && old_termios->c_ospeed == termios->c_ospeed)
2723 goto no_c_cflag_changes;
2724
2725 /* NOTE These routines can get interrupted by
2726 ftdi_sio_read_bulk_callback - need to examine what this means -
2727 don't see any problems yet */
2728
2729 if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2730 (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2731 goto no_data_parity_stop_changes;
2732
2733 no_skip:
2734 /* Set number of data bits, parity, stop bits */
2735
2736 value = 0;
2737 value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2738 FTDI_SIO_SET_DATA_STOP_BITS_1);
2739 if (cflag & PARENB) {
2740 if (cflag & CMSPAR)
2741 value |= cflag & PARODD ?
2742 FTDI_SIO_SET_DATA_PARITY_MARK :
2743 FTDI_SIO_SET_DATA_PARITY_SPACE;
2744 else
2745 value |= cflag & PARODD ?
2746 FTDI_SIO_SET_DATA_PARITY_ODD :
2747 FTDI_SIO_SET_DATA_PARITY_EVEN;
2748 } else {
2749 value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2750 }
2751 switch (cflag & CSIZE) {
2752 case CS5:
2753 dev_dbg(ddev, "Setting CS5 quirk\n");
2754 break;
2755 case CS7:
2756 value |= 7;
2757 dev_dbg(ddev, "Setting CS7\n");
2758 break;
2759 default:
2760 case CS8:
2761 value |= 8;
2762 dev_dbg(ddev, "Setting CS8\n");
2763 break;
2764 }
2765
2766 /* This is needed by the break command since it uses the same command
2767 - but is or'ed with this value */
2768 priv->last_set_data_value = value;
2769
2770 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2771 FTDI_SIO_SET_DATA_REQUEST,
2772 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2773 value , priv->interface,
2774 NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2775 dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
2776 __func__);
2777 }
2778
2779 /* Now do the baudrate */
2780 no_data_parity_stop_changes:
2781 if ((cflag & CBAUD) == B0) {
2782 /* Disable flow control */
2783 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2784 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2785 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2786 0, priv->interface,
2787 NULL, 0, WDR_TIMEOUT) < 0) {
2788 dev_err(ddev, "%s error from disable flowcontrol urb\n",
2789 __func__);
2790 }
2791 /* Drop RTS and DTR */
2792 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2793 } else {
2794 /* set the baudrate determined before */
2795 mutex_lock(&priv->cfg_lock);
2796 if (change_speed(tty, port))
2797 dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
2798 mutex_unlock(&priv->cfg_lock);
2799 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2800 if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
2801 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2802 }
2803
2804 no_c_cflag_changes:
2805 /* Set hardware-assisted flow control */
2806 value = 0;
2807
2808 if (C_CRTSCTS(tty)) {
2809 dev_dbg(&port->dev, "enabling rts/cts flow control\n");
2810 index = FTDI_SIO_RTS_CTS_HS;
2811 } else if (I_IXON(tty)) {
2812 dev_dbg(&port->dev, "enabling xon/xoff flow control\n");
2813 index = FTDI_SIO_XON_XOFF_HS;
2814 value = STOP_CHAR(tty) << 8 | START_CHAR(tty);
2815 } else {
2816 dev_dbg(&port->dev, "disabling flow control\n");
2817 index = FTDI_SIO_DISABLE_FLOW_CTRL;
2818 }
2819
2820 index |= priv->interface;
2821
2822 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2823 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2824 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2825 value, index, NULL, 0, WDR_TIMEOUT);
2826 if (ret < 0)
2827 dev_err(&port->dev, "failed to set flow control: %d\n", ret);
2828 }
2829
2830 /*
2831 * Get modem-control status.
2832 *
2833 * Returns the number of status bytes retrieved (device dependant), or
2834 * negative error code.
2835 */
ftdi_get_modem_status(struct usb_serial_port * port,unsigned char status[2])2836 static int ftdi_get_modem_status(struct usb_serial_port *port,
2837 unsigned char status[2])
2838 {
2839 struct ftdi_private *priv = usb_get_serial_port_data(port);
2840 unsigned char *buf;
2841 int len;
2842 int ret;
2843
2844 buf = kmalloc(2, GFP_KERNEL);
2845 if (!buf)
2846 return -ENOMEM;
2847 /*
2848 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2849 * the same format as the data returned from the in point.
2850 */
2851 switch (priv->chip_type) {
2852 case SIO:
2853 len = 1;
2854 break;
2855 case FT8U232AM:
2856 case FT232BM:
2857 case FT2232C:
2858 case FT232RL:
2859 case FT2232H:
2860 case FT4232H:
2861 case FT232H:
2862 case FTX:
2863 len = 2;
2864 break;
2865 default:
2866 ret = -EFAULT;
2867 goto out;
2868 }
2869
2870 ret = usb_control_msg(port->serial->dev,
2871 usb_rcvctrlpipe(port->serial->dev, 0),
2872 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2873 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2874 0, priv->interface,
2875 buf, len, WDR_TIMEOUT);
2876
2877 /* NOTE: We allow short responses and handle that below. */
2878 if (ret < 1) {
2879 dev_err(&port->dev, "failed to get modem status: %d\n", ret);
2880 if (ret >= 0)
2881 ret = -EIO;
2882 ret = usb_translate_errors(ret);
2883 goto out;
2884 }
2885
2886 status[0] = buf[0];
2887 if (ret > 1)
2888 status[1] = buf[1];
2889 else
2890 status[1] = 0;
2891
2892 dev_dbg(&port->dev, "%s - 0x%02x%02x\n", __func__, status[0],
2893 status[1]);
2894 out:
2895 kfree(buf);
2896
2897 return ret;
2898 }
2899
ftdi_tiocmget(struct tty_struct * tty)2900 static int ftdi_tiocmget(struct tty_struct *tty)
2901 {
2902 struct usb_serial_port *port = tty->driver_data;
2903 struct ftdi_private *priv = usb_get_serial_port_data(port);
2904 unsigned char buf[2];
2905 int ret;
2906
2907 ret = ftdi_get_modem_status(port, buf);
2908 if (ret < 0)
2909 return ret;
2910
2911 ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2912 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2913 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2914 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2915 priv->last_dtr_rts;
2916
2917 return ret;
2918 }
2919
ftdi_tiocmset(struct tty_struct * tty,unsigned int set,unsigned int clear)2920 static int ftdi_tiocmset(struct tty_struct *tty,
2921 unsigned int set, unsigned int clear)
2922 {
2923 struct usb_serial_port *port = tty->driver_data;
2924
2925 return update_mctrl(port, set, clear);
2926 }
2927
ftdi_ioctl(struct tty_struct * tty,unsigned int cmd,unsigned long arg)2928 static int ftdi_ioctl(struct tty_struct *tty,
2929 unsigned int cmd, unsigned long arg)
2930 {
2931 struct usb_serial_port *port = tty->driver_data;
2932 void __user *argp = (void __user *)arg;
2933
2934 switch (cmd) {
2935 case TIOCSERGETLSR:
2936 return get_lsr_info(port, argp);
2937 default:
2938 break;
2939 }
2940
2941 return -ENOIOCTLCMD;
2942 }
2943
2944 module_usb_serial_driver(serial_drivers, id_table_combined);
2945
2946 MODULE_AUTHOR(DRIVER_AUTHOR);
2947 MODULE_DESCRIPTION(DRIVER_DESC);
2948 MODULE_LICENSE("GPL");
2949
2950 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2951 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2952