USB: ftdi_sio: new device id for papouch AD4USB
[linux-2.6/mini2440.git] / drivers / usb / serial / ftdi_sio.c
blob03027b47361345ca18103c3f8d4ffe0fd5e0c475
1 /*
2 * USB FTDI SIO driver
4 * Copyright (C) 1999 - 2001
5 * Greg Kroah-Hartman (greg@kroah.com)
6 * Bill Ryder (bryder@sgi.com)
7 * Copyright (C) 2002
8 * Kuba Ober (kuba@mareimbrium.org)
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * See Documentation/usb/usb-serial.txt for more information on using this
16 * driver
18 * See http://ftdi-usb-sio.sourceforge.net for upto date testing info
19 * and extra documentation
21 * Change entries from 2004 and earlier can be found in versions of this
22 * file in kernel versions prior to the 2.6.24 release.
26 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
27 /* Thanx to FTDI for so kindly providing details of the protocol required */
28 /* to talk to the device */
29 /* Thanx to gkh and the rest of the usb dev group for all code I have
30 assimilated :-) */
32 #include <linux/kernel.h>
33 #include <linux/errno.h>
34 #include <linux/init.h>
35 #include <linux/slab.h>
36 #include <linux/smp_lock.h>
37 #include <linux/tty.h>
38 #include <linux/tty_driver.h>
39 #include <linux/tty_flip.h>
40 #include <linux/module.h>
41 #include <linux/spinlock.h>
42 #include <linux/uaccess.h>
43 #include <linux/usb.h>
44 #include <linux/serial.h>
45 #include <linux/usb/serial.h>
46 #include "ftdi_sio.h"
47 #include "ftdi_sio_ids.h"
50 * Version Information
52 #define DRIVER_VERSION "v1.5.0"
53 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>"
54 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
56 static int debug;
57 static __u16 vendor = FTDI_VID;
58 static __u16 product;
60 struct ftdi_private {
61 struct kref kref;
62 ftdi_chip_type_t chip_type;
63 /* type of device, either SIO or FT8U232AM */
64 int baud_base; /* baud base clock for divisor setting */
65 int custom_divisor; /* custom_divisor kludge, this is for
66 baud_base (different from what goes to the
67 chip!) */
68 __u16 last_set_data_urb_value ;
69 /* the last data state set - needed for doing
70 * a break
72 int write_offset; /* This is the offset in the usb data block to
73 * write the serial data - it varies between
74 * devices
76 int flags; /* some ASYNC_xxxx flags are supported */
77 unsigned long last_dtr_rts; /* saved modem control outputs */
78 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
79 char prev_status, diff_status; /* Used for TIOCMIWAIT */
80 struct usb_serial_port *port;
81 __u16 interface; /* FT2232C, FT2232H or FT4232H port interface
82 (0 for FT232/245) */
84 speed_t force_baud; /* if non-zero, force the baud rate to
85 this value */
86 int force_rtscts; /* if non-zero, force RTS-CTS to always
87 be enabled */
89 unsigned int latency; /* latency setting in use */
90 spinlock_t tx_lock; /* spinlock for transmit state */
91 unsigned long tx_bytes;
92 unsigned long tx_outstanding_bytes;
93 unsigned long tx_outstanding_urbs;
94 unsigned short max_packet_size;
97 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
98 struct ftdi_sio_quirk {
99 int (*probe)(struct usb_serial *);
100 /* Special settings for probed ports. */
101 void (*port_probe)(struct ftdi_private *);
104 static int ftdi_jtag_probe(struct usb_serial *serial);
105 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial);
106 static int ftdi_NDI_device_setup(struct usb_serial *serial);
107 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
108 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
110 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
111 .probe = ftdi_jtag_probe,
114 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
115 .probe = ftdi_mtxorb_hack_setup,
118 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
119 .probe = ftdi_NDI_device_setup,
122 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
123 .port_probe = ftdi_USB_UIRT_setup,
126 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
127 .port_probe = ftdi_HE_TIRA1_setup,
131 * The 8U232AM has the same API as the sio except for:
132 * - it can support MUCH higher baudrates; up to:
133 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
134 * o 230400 at 12MHz
135 * so .. 8U232AM's baudrate setting codes are different
136 * - it has a two byte status code.
137 * - it returns characters every 16ms (the FTDI does it every 40ms)
139 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
140 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
141 * combinations in both tables.
142 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
143 * but I don't know if those ever went into mass production. [Ian Abbott]
148 static struct usb_device_id id_table_combined [] = {
149 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
150 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
151 { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
152 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
153 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
154 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
155 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
156 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
157 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
158 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
159 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
160 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
161 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
162 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
163 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
164 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
165 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
166 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
167 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
168 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
169 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
170 { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
173 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
174 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
175 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
176 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
177 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
178 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
179 { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
180 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
181 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
182 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
183 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
184 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
185 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
186 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
187 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
188 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
189 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
190 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
191 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
192 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
193 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
194 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
195 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
196 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
197 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
198 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
199 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
200 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
201 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
202 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
203 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
204 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
205 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
206 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
207 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
208 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
209 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
210 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
211 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
212 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
213 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
214 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
215 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
216 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
217 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
218 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
219 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
220 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
221 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
222 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
227 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
233 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
239 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
241 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
242 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
244 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
245 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
247 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
248 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
250 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
254 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
273 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
275 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
277 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
279 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
281 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
283 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
285 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
287 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
288 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
289 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
290 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
291 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
292 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
293 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
294 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
295 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
296 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
297 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
298 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
300 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
302 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
304 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
451 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
452 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
453 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
454 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
455 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
456 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
457 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
458 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
459 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
460 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
461 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
462 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
463 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
464 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
465 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
466 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
467 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
468 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
469 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
470 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
471 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
472 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
473 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
474 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
475 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
492 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
493 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
494 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
495 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
496 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
497 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
498 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
499 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
500 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
501 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
502 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
503 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
504 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
505 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
506 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
507 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
508 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
509 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
510 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
511 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
512 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
513 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
514 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
515 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
516 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
517 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
518 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
519 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
520 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
521 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
522 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
523 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
524 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
525 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
526 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
527 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
528 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
529 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
530 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
531 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
532 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
533 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
534 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
535 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
536 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
537 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
538 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
539 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
540 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
541 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
542 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
543 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
544 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
545 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
546 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
547 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
548 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
549 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
550 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
551 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
552 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
553 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
555 * Due to many user requests for multiple ELV devices we enable
556 * them by default.
558 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
559 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
560 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
561 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
562 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
563 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
564 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
565 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
566 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
567 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
568 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
569 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
570 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
571 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
572 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
573 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
574 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
575 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
576 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
577 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
578 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
579 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
580 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
581 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
582 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
583 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
584 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
585 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
586 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
587 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
588 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
589 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
590 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
591 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
592 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
593 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
594 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
595 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
596 { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
597 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
598 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
599 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
600 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
601 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
602 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
603 { USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
604 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
605 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
606 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
607 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
608 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
609 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
610 { USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
611 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
612 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
613 { USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
614 { USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
615 { USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
616 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
617 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
618 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
619 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
620 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
621 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
622 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
623 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
624 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
625 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
626 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
627 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
628 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
629 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
630 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
631 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
632 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
633 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
634 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
635 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
636 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
637 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
638 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
639 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
640 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
641 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
642 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
643 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
644 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
645 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
646 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
647 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
648 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
649 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
650 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
651 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
652 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
653 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
654 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
655 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
656 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
657 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
658 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
659 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
660 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
661 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
662 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
663 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
664 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
665 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
666 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
667 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
668 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
669 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
670 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
671 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
672 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
673 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
674 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
675 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
676 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
677 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
678 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
679 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
680 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
681 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
682 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
683 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
684 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
685 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
686 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
687 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
688 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
689 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
690 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
691 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
692 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
693 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
694 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
695 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
696 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
697 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
698 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
699 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
700 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
701 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
702 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
703 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
704 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
705 { USB_DEVICE(ATMEL_VID, STK541_PID) },
706 { USB_DEVICE(DE_VID, STB_PID) },
707 { USB_DEVICE(DE_VID, WHT_PID) },
708 { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
709 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
710 { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
711 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
712 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
713 { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
714 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
715 { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
716 { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
717 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
718 { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
719 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
720 { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
721 { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
722 { }, /* Optional parameter entry */
723 { } /* Terminating entry */
726 MODULE_DEVICE_TABLE(usb, id_table_combined);
728 static struct usb_driver ftdi_driver = {
729 .name = "ftdi_sio",
730 .probe = usb_serial_probe,
731 .disconnect = usb_serial_disconnect,
732 .id_table = id_table_combined,
733 .no_dynamic_id = 1,
736 static const char *ftdi_chip_name[] = {
737 [SIO] = "SIO", /* the serial part of FT8U100AX */
738 [FT8U232AM] = "FT8U232AM",
739 [FT232BM] = "FT232BM",
740 [FT2232C] = "FT2232C",
741 [FT232RL] = "FT232RL",
742 [FT2232H] = "FT2232H",
743 [FT4232H] = "FT4232H"
747 /* Constants for read urb and write urb */
748 #define BUFSZ 512
750 /* Used for TIOCMIWAIT */
751 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
752 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
753 /* End TIOCMIWAIT */
755 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
756 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
758 /* function prototypes for a FTDI serial converter */
759 static int ftdi_sio_probe(struct usb_serial *serial,
760 const struct usb_device_id *id);
761 static int ftdi_sio_port_probe(struct usb_serial_port *port);
762 static int ftdi_sio_port_remove(struct usb_serial_port *port);
763 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
764 static void ftdi_close(struct usb_serial_port *port);
765 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
766 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
767 const unsigned char *buf, int count);
768 static int ftdi_write_room(struct tty_struct *tty);
769 static int ftdi_chars_in_buffer(struct tty_struct *tty);
770 static void ftdi_write_bulk_callback(struct urb *urb);
771 static void ftdi_read_bulk_callback(struct urb *urb);
772 static void ftdi_process_read(struct usb_serial_port *port);
773 static void ftdi_set_termios(struct tty_struct *tty,
774 struct usb_serial_port *port, struct ktermios *old);
775 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file);
776 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
777 unsigned int set, unsigned int clear);
778 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
779 unsigned int cmd, unsigned long arg);
780 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
781 static void ftdi_throttle(struct tty_struct *tty);
782 static void ftdi_unthrottle(struct tty_struct *tty);
784 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
785 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
786 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
787 static __u32 ftdi_232bm_baud_to_divisor(int baud);
788 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
789 static __u32 ftdi_2232h_baud_to_divisor(int baud);
791 static struct usb_serial_driver ftdi_sio_device = {
792 .driver = {
793 .owner = THIS_MODULE,
794 .name = "ftdi_sio",
796 .description = "FTDI USB Serial Device",
797 .usb_driver = &ftdi_driver ,
798 .id_table = id_table_combined,
799 .num_ports = 1,
800 .probe = ftdi_sio_probe,
801 .port_probe = ftdi_sio_port_probe,
802 .port_remove = ftdi_sio_port_remove,
803 .open = ftdi_open,
804 .close = ftdi_close,
805 .dtr_rts = ftdi_dtr_rts,
806 .throttle = ftdi_throttle,
807 .unthrottle = ftdi_unthrottle,
808 .write = ftdi_write,
809 .write_room = ftdi_write_room,
810 .chars_in_buffer = ftdi_chars_in_buffer,
811 .read_bulk_callback = ftdi_read_bulk_callback,
812 .write_bulk_callback = ftdi_write_bulk_callback,
813 .tiocmget = ftdi_tiocmget,
814 .tiocmset = ftdi_tiocmset,
815 .ioctl = ftdi_ioctl,
816 .set_termios = ftdi_set_termios,
817 .break_ctl = ftdi_break_ctl,
821 #define WDR_TIMEOUT 5000 /* default urb timeout */
822 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
824 /* High and low are for DTR, RTS etc etc */
825 #define HIGH 1
826 #define LOW 0
828 /* number of outstanding urbs to prevent userspace DoS from happening */
829 #define URB_UPPER_LIMIT 42
832 * ***************************************************************************
833 * Utility functions
834 * ***************************************************************************
837 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
839 unsigned short int divisor;
840 /* divisor shifted 3 bits to the left */
841 int divisor3 = base / 2 / baud;
842 if ((divisor3 & 0x7) == 7)
843 divisor3++; /* round x.7/8 up to x+1 */
844 divisor = divisor3 >> 3;
845 divisor3 &= 0x7;
846 if (divisor3 == 1)
847 divisor |= 0xc000;
848 else if (divisor3 >= 4)
849 divisor |= 0x4000;
850 else if (divisor3 != 0)
851 divisor |= 0x8000;
852 else if (divisor == 1)
853 divisor = 0; /* special case for maximum baud rate */
854 return divisor;
857 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
859 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
862 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
864 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
865 __u32 divisor;
866 /* divisor shifted 3 bits to the left */
867 int divisor3 = base / 2 / baud;
868 divisor = divisor3 >> 3;
869 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
870 /* Deal with special cases for highest baud rates. */
871 if (divisor == 1)
872 divisor = 0;
873 else if (divisor == 0x4001)
874 divisor = 1;
875 return divisor;
878 static __u32 ftdi_232bm_baud_to_divisor(int baud)
880 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
883 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
885 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
886 __u32 divisor;
887 int divisor3;
889 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
890 divisor3 = (base / 10 / baud) * 8;
892 divisor = divisor3 >> 3;
893 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
894 /* Deal with special cases for highest baud rates. */
895 if (divisor == 1)
896 divisor = 0;
897 else if (divisor == 0x4001)
898 divisor = 1;
900 * Set this bit to turn off a divide by 2.5 on baud rate generator
901 * This enables baud rates up to 12Mbaud but cannot reach below 1200
902 * baud with this bit set
904 divisor |= 0x00020000;
905 return divisor;
908 static __u32 ftdi_2232h_baud_to_divisor(int baud)
910 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
913 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
914 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
916 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
917 unsigned int clear)
919 struct ftdi_private *priv = usb_get_serial_port_data(port);
920 char *buf;
921 unsigned urb_value;
922 int rv;
924 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
925 dbg("%s - DTR|RTS not being set|cleared", __func__);
926 return 0; /* no change */
929 buf = kmalloc(1, GFP_NOIO);
930 if (!buf)
931 return -ENOMEM;
933 clear &= ~set; /* 'set' takes precedence over 'clear' */
934 urb_value = 0;
935 if (clear & TIOCM_DTR)
936 urb_value |= FTDI_SIO_SET_DTR_LOW;
937 if (clear & TIOCM_RTS)
938 urb_value |= FTDI_SIO_SET_RTS_LOW;
939 if (set & TIOCM_DTR)
940 urb_value |= FTDI_SIO_SET_DTR_HIGH;
941 if (set & TIOCM_RTS)
942 urb_value |= FTDI_SIO_SET_RTS_HIGH;
943 rv = usb_control_msg(port->serial->dev,
944 usb_sndctrlpipe(port->serial->dev, 0),
945 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
946 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
947 urb_value, priv->interface,
948 buf, 0, WDR_TIMEOUT);
950 kfree(buf);
951 if (rv < 0) {
952 dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
953 __func__,
954 (set & TIOCM_DTR) ? "HIGH" :
955 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
956 (set & TIOCM_RTS) ? "HIGH" :
957 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
958 } else {
959 dbg("%s - DTR %s, RTS %s", __func__,
960 (set & TIOCM_DTR) ? "HIGH" :
961 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
962 (set & TIOCM_RTS) ? "HIGH" :
963 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
964 /* FIXME: locking on last_dtr_rts */
965 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
967 return rv;
971 static __u32 get_ftdi_divisor(struct tty_struct *tty,
972 struct usb_serial_port *port)
973 { /* get_ftdi_divisor */
974 struct ftdi_private *priv = usb_get_serial_port_data(port);
975 __u32 div_value = 0;
976 int div_okay = 1;
977 int baud;
980 * The logic involved in setting the baudrate can be cleanly split into
981 * 3 steps.
982 * 1. Standard baud rates are set in tty->termios->c_cflag
983 * 2. If these are not enough, you can set any speed using alt_speed as
984 * follows:
985 * - set tty->termios->c_cflag speed to B38400
986 * - set your real speed in tty->alt_speed; it gets ignored when
987 * alt_speed==0, (or)
988 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
989 * follows:
990 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
991 * this just sets alt_speed to (HI: 57600, VHI: 115200,
992 * SHI: 230400, WARP: 460800)
993 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
994 * 3. You can also set baud rate by setting custom divisor as follows
995 * - set tty->termios->c_cflag speed to B38400
996 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
997 * follows:
998 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
999 * o custom_divisor set to baud_base / your_new_baudrate
1000 * ** Step 3 is done courtesy of code borrowed from serial.c
1001 * I should really spend some time and separate + move this common
1002 * code to serial.c, it is replicated in nearly every serial driver
1003 * you see.
1006 /* 1. Get the baud rate from the tty settings, this observes
1007 alt_speed hack */
1009 baud = tty_get_baud_rate(tty);
1010 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1012 /* 2. Observe async-compatible custom_divisor hack, update baudrate
1013 if needed */
1015 if (baud == 38400 &&
1016 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1017 (priv->custom_divisor)) {
1018 baud = priv->baud_base / priv->custom_divisor;
1019 dbg("%s - custom divisor %d sets baud rate to %d",
1020 __func__, priv->custom_divisor, baud);
1023 /* 3. Convert baudrate to device-specific divisor */
1025 if (!baud)
1026 baud = 9600;
1027 switch (priv->chip_type) {
1028 case SIO: /* SIO chip */
1029 switch (baud) {
1030 case 300: div_value = ftdi_sio_b300; break;
1031 case 600: div_value = ftdi_sio_b600; break;
1032 case 1200: div_value = ftdi_sio_b1200; break;
1033 case 2400: div_value = ftdi_sio_b2400; break;
1034 case 4800: div_value = ftdi_sio_b4800; break;
1035 case 9600: div_value = ftdi_sio_b9600; break;
1036 case 19200: div_value = ftdi_sio_b19200; break;
1037 case 38400: div_value = ftdi_sio_b38400; break;
1038 case 57600: div_value = ftdi_sio_b57600; break;
1039 case 115200: div_value = ftdi_sio_b115200; break;
1040 } /* baud */
1041 if (div_value == 0) {
1042 dbg("%s - Baudrate (%d) requested is not supported",
1043 __func__, baud);
1044 div_value = ftdi_sio_b9600;
1045 baud = 9600;
1046 div_okay = 0;
1048 break;
1049 case FT8U232AM: /* 8U232AM chip */
1050 if (baud <= 3000000) {
1051 div_value = ftdi_232am_baud_to_divisor(baud);
1052 } else {
1053 dbg("%s - Baud rate too high!", __func__);
1054 baud = 9600;
1055 div_value = ftdi_232am_baud_to_divisor(9600);
1056 div_okay = 0;
1058 break;
1059 case FT232BM: /* FT232BM chip */
1060 case FT2232C: /* FT2232C chip */
1061 case FT232RL:
1062 if (baud <= 3000000) {
1063 __u16 product_id = le16_to_cpu(
1064 port->serial->dev->descriptor.idProduct);
1065 if (((FTDI_NDI_HUC_PID == product_id) ||
1066 (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1067 (FTDI_NDI_FUTURE_2_PID == product_id) ||
1068 (FTDI_NDI_FUTURE_3_PID == product_id) ||
1069 (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1070 (baud == 19200)) {
1071 baud = 1200000;
1073 div_value = ftdi_232bm_baud_to_divisor(baud);
1074 } else {
1075 dbg("%s - Baud rate too high!", __func__);
1076 div_value = ftdi_232bm_baud_to_divisor(9600);
1077 div_okay = 0;
1078 baud = 9600;
1080 break;
1081 case FT2232H: /* FT2232H chip */
1082 case FT4232H: /* FT4232H chip */
1083 if ((baud <= 12000000) & (baud >= 1200)) {
1084 div_value = ftdi_2232h_baud_to_divisor(baud);
1085 } else if (baud < 1200) {
1086 div_value = ftdi_232bm_baud_to_divisor(baud);
1087 } else {
1088 dbg("%s - Baud rate too high!", __func__);
1089 div_value = ftdi_232bm_baud_to_divisor(9600);
1090 div_okay = 0;
1091 baud = 9600;
1093 break;
1094 } /* priv->chip_type */
1096 if (div_okay) {
1097 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1098 __func__, baud, (unsigned long)div_value,
1099 ftdi_chip_name[priv->chip_type]);
1102 tty_encode_baud_rate(tty, baud, baud);
1103 return div_value;
1106 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1108 struct ftdi_private *priv = usb_get_serial_port_data(port);
1109 char *buf;
1110 __u16 urb_value;
1111 __u16 urb_index;
1112 __u32 urb_index_value;
1113 int rv;
1115 buf = kmalloc(1, GFP_NOIO);
1116 if (!buf)
1117 return -ENOMEM;
1119 urb_index_value = get_ftdi_divisor(tty, port);
1120 urb_value = (__u16)urb_index_value;
1121 urb_index = (__u16)(urb_index_value >> 16);
1122 if (priv->interface) { /* FT2232C */
1123 urb_index = (__u16)((urb_index << 8) | priv->interface);
1126 rv = usb_control_msg(port->serial->dev,
1127 usb_sndctrlpipe(port->serial->dev, 0),
1128 FTDI_SIO_SET_BAUDRATE_REQUEST,
1129 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1130 urb_value, urb_index,
1131 buf, 0, WDR_SHORT_TIMEOUT);
1133 kfree(buf);
1134 return rv;
1137 static int write_latency_timer(struct usb_serial_port *port)
1139 struct ftdi_private *priv = usb_get_serial_port_data(port);
1140 struct usb_device *udev = port->serial->dev;
1141 char buf[1];
1142 int rv = 0;
1143 int l = priv->latency;
1145 if (priv->flags & ASYNC_LOW_LATENCY)
1146 l = 1;
1148 dbg("%s: setting latency timer = %i", __func__, l);
1150 rv = usb_control_msg(udev,
1151 usb_sndctrlpipe(udev, 0),
1152 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1153 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1154 l, priv->interface,
1155 buf, 0, WDR_TIMEOUT);
1157 if (rv < 0)
1158 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1159 return rv;
1162 static int read_latency_timer(struct usb_serial_port *port)
1164 struct ftdi_private *priv = usb_get_serial_port_data(port);
1165 struct usb_device *udev = port->serial->dev;
1166 unsigned short latency = 0;
1167 int rv = 0;
1170 dbg("%s", __func__);
1172 rv = usb_control_msg(udev,
1173 usb_rcvctrlpipe(udev, 0),
1174 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1175 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1176 0, priv->interface,
1177 (char *) &latency, 1, WDR_TIMEOUT);
1179 if (rv < 0) {
1180 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1181 return -EIO;
1183 return latency;
1186 static int get_serial_info(struct usb_serial_port *port,
1187 struct serial_struct __user *retinfo)
1189 struct ftdi_private *priv = usb_get_serial_port_data(port);
1190 struct serial_struct tmp;
1192 if (!retinfo)
1193 return -EFAULT;
1194 memset(&tmp, 0, sizeof(tmp));
1195 tmp.flags = priv->flags;
1196 tmp.baud_base = priv->baud_base;
1197 tmp.custom_divisor = priv->custom_divisor;
1198 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1199 return -EFAULT;
1200 return 0;
1201 } /* get_serial_info */
1204 static int set_serial_info(struct tty_struct *tty,
1205 struct usb_serial_port *port, struct serial_struct __user *newinfo)
1206 { /* set_serial_info */
1207 struct ftdi_private *priv = usb_get_serial_port_data(port);
1208 struct serial_struct new_serial;
1209 struct ftdi_private old_priv;
1211 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1212 return -EFAULT;
1214 lock_kernel();
1215 old_priv = *priv;
1217 /* Do error checking and permission checking */
1219 if (!capable(CAP_SYS_ADMIN)) {
1220 if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1221 (priv->flags & ~ASYNC_USR_MASK))) {
1222 unlock_kernel();
1223 return -EPERM;
1225 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1226 (new_serial.flags & ASYNC_USR_MASK));
1227 priv->custom_divisor = new_serial.custom_divisor;
1228 goto check_and_exit;
1231 if ((new_serial.baud_base != priv->baud_base) &&
1232 (new_serial.baud_base < 9600)) {
1233 unlock_kernel();
1234 return -EINVAL;
1237 /* Make the changes - these are privileged changes! */
1239 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1240 (new_serial.flags & ASYNC_FLAGS));
1241 priv->custom_divisor = new_serial.custom_divisor;
1243 write_latency_timer(port);
1245 check_and_exit:
1246 if ((old_priv.flags & ASYNC_SPD_MASK) !=
1247 (priv->flags & ASYNC_SPD_MASK)) {
1248 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1249 tty->alt_speed = 57600;
1250 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1251 tty->alt_speed = 115200;
1252 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1253 tty->alt_speed = 230400;
1254 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1255 tty->alt_speed = 460800;
1256 else
1257 tty->alt_speed = 0;
1259 if (((old_priv.flags & ASYNC_SPD_MASK) !=
1260 (priv->flags & ASYNC_SPD_MASK)) ||
1261 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1262 (old_priv.custom_divisor != priv->custom_divisor))) {
1263 unlock_kernel();
1264 change_speed(tty, port);
1266 else
1267 unlock_kernel();
1268 return 0;
1270 } /* set_serial_info */
1273 /* Determine type of FTDI chip based on USB config and descriptor. */
1274 static void ftdi_determine_type(struct usb_serial_port *port)
1276 struct ftdi_private *priv = usb_get_serial_port_data(port);
1277 struct usb_serial *serial = port->serial;
1278 struct usb_device *udev = serial->dev;
1279 unsigned version;
1280 unsigned interfaces;
1282 /* Assume it is not the original SIO device for now. */
1283 priv->baud_base = 48000000 / 2;
1284 priv->write_offset = 0;
1286 version = le16_to_cpu(udev->descriptor.bcdDevice);
1287 interfaces = udev->actconfig->desc.bNumInterfaces;
1288 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1289 version, interfaces);
1290 if (interfaces > 1) {
1291 int inter;
1293 /* Multiple interfaces.*/
1294 if (version == 0x0800) {
1295 priv->chip_type = FT4232H;
1296 /* Hi-speed - baud clock runs at 120MHz */
1297 priv->baud_base = 120000000 / 2;
1298 } else if (version == 0x0700) {
1299 priv->chip_type = FT2232H;
1300 /* Hi-speed - baud clock runs at 120MHz */
1301 priv->baud_base = 120000000 / 2;
1302 } else
1303 priv->chip_type = FT2232C;
1305 /* Determine interface code. */
1306 inter = serial->interface->altsetting->desc.bInterfaceNumber;
1307 if (inter == 0) {
1308 priv->interface = INTERFACE_A;
1309 } else if (inter == 1) {
1310 priv->interface = INTERFACE_B;
1311 } else if (inter == 2) {
1312 priv->interface = INTERFACE_C;
1313 } else if (inter == 3) {
1314 priv->interface = INTERFACE_D;
1316 /* BM-type devices have a bug where bcdDevice gets set
1317 * to 0x200 when iSerialNumber is 0. */
1318 if (version < 0x500) {
1319 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1320 __func__);
1322 } else if (version < 0x200) {
1323 /* Old device. Assume its the original SIO. */
1324 priv->chip_type = SIO;
1325 priv->baud_base = 12000000 / 16;
1326 priv->write_offset = 1;
1327 } else if (version < 0x400) {
1328 /* Assume its an FT8U232AM (or FT8U245AM) */
1329 /* (It might be a BM because of the iSerialNumber bug,
1330 * but it will still work as an AM device.) */
1331 priv->chip_type = FT8U232AM;
1332 } else if (version < 0x600) {
1333 /* Assume its an FT232BM (or FT245BM) */
1334 priv->chip_type = FT232BM;
1335 } else {
1336 /* Assume its an FT232R */
1337 priv->chip_type = FT232RL;
1339 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1343 /* Determine the maximum packet size for the device. This depends on the chip
1344 * type and the USB host capabilities. The value should be obtained from the
1345 * device descriptor as the chip will use the appropriate values for the host.*/
1346 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1348 struct ftdi_private *priv = usb_get_serial_port_data(port);
1349 struct usb_serial *serial = port->serial;
1350 struct usb_device *udev = serial->dev;
1352 struct usb_interface *interface = serial->interface;
1353 struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1355 unsigned num_endpoints;
1356 int i = 0;
1358 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1359 dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1361 /* NOTE: some customers have programmed FT232R/FT245R devices
1362 * with an endpoint size of 0 - not good. In this case, we
1363 * want to override the endpoint descriptor setting and use a
1364 * value of 64 for wMaxPacketSize */
1365 for (i = 0; i < num_endpoints; i++) {
1366 dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1367 interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1368 ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1369 if (ep_desc->wMaxPacketSize == 0) {
1370 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1371 dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1375 /* set max packet size based on descriptor */
1376 priv->max_packet_size = ep_desc->wMaxPacketSize;
1378 dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1383 * ***************************************************************************
1384 * Sysfs Attribute
1385 * ***************************************************************************
1388 static ssize_t show_latency_timer(struct device *dev,
1389 struct device_attribute *attr, char *buf)
1391 struct usb_serial_port *port = to_usb_serial_port(dev);
1392 struct ftdi_private *priv = usb_get_serial_port_data(port);
1393 if (priv->flags & ASYNC_LOW_LATENCY)
1394 return sprintf(buf, "1\n");
1395 else
1396 return sprintf(buf, "%i\n", priv->latency);
1400 /* Write a new value of the latency timer, in units of milliseconds. */
1401 static ssize_t store_latency_timer(struct device *dev,
1402 struct device_attribute *attr, const char *valbuf,
1403 size_t count)
1405 struct usb_serial_port *port = to_usb_serial_port(dev);
1406 struct ftdi_private *priv = usb_get_serial_port_data(port);
1407 int v = simple_strtoul(valbuf, NULL, 10);
1408 int rv = 0;
1410 priv->latency = v;
1411 rv = write_latency_timer(port);
1412 if (rv < 0)
1413 return -EIO;
1414 return count;
1417 /* Write an event character directly to the FTDI register. The ASCII
1418 value is in the low 8 bits, with the enable bit in the 9th bit. */
1419 static ssize_t store_event_char(struct device *dev,
1420 struct device_attribute *attr, const char *valbuf, size_t count)
1422 struct usb_serial_port *port = to_usb_serial_port(dev);
1423 struct ftdi_private *priv = usb_get_serial_port_data(port);
1424 struct usb_device *udev = port->serial->dev;
1425 char buf[1];
1426 int v = simple_strtoul(valbuf, NULL, 10);
1427 int rv = 0;
1429 dbg("%s: setting event char = %i", __func__, v);
1431 rv = usb_control_msg(udev,
1432 usb_sndctrlpipe(udev, 0),
1433 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1434 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1435 v, priv->interface,
1436 buf, 0, WDR_TIMEOUT);
1438 if (rv < 0) {
1439 dbg("Unable to write event character: %i", rv);
1440 return -EIO;
1443 return count;
1446 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1447 store_latency_timer);
1448 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1450 static int create_sysfs_attrs(struct usb_serial_port *port)
1452 struct ftdi_private *priv = usb_get_serial_port_data(port);
1453 int retval = 0;
1455 dbg("%s", __func__);
1457 /* XXX I've no idea if the original SIO supports the event_char
1458 * sysfs parameter, so I'm playing it safe. */
1459 if (priv->chip_type != SIO) {
1460 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1461 retval = device_create_file(&port->dev, &dev_attr_event_char);
1462 if ((!retval) &&
1463 (priv->chip_type == FT232BM ||
1464 priv->chip_type == FT2232C ||
1465 priv->chip_type == FT232RL ||
1466 priv->chip_type == FT2232H ||
1467 priv->chip_type == FT4232H)) {
1468 retval = device_create_file(&port->dev,
1469 &dev_attr_latency_timer);
1472 return retval;
1475 static void remove_sysfs_attrs(struct usb_serial_port *port)
1477 struct ftdi_private *priv = usb_get_serial_port_data(port);
1479 dbg("%s", __func__);
1481 /* XXX see create_sysfs_attrs */
1482 if (priv->chip_type != SIO) {
1483 device_remove_file(&port->dev, &dev_attr_event_char);
1484 if (priv->chip_type == FT232BM ||
1485 priv->chip_type == FT2232C ||
1486 priv->chip_type == FT232RL ||
1487 priv->chip_type == FT2232H ||
1488 priv->chip_type == FT4232H) {
1489 device_remove_file(&port->dev, &dev_attr_latency_timer);
1496 * ***************************************************************************
1497 * FTDI driver specific functions
1498 * ***************************************************************************
1501 /* Probe function to check for special devices */
1502 static int ftdi_sio_probe(struct usb_serial *serial,
1503 const struct usb_device_id *id)
1505 struct ftdi_sio_quirk *quirk =
1506 (struct ftdi_sio_quirk *)id->driver_info;
1508 if (quirk && quirk->probe) {
1509 int ret = quirk->probe(serial);
1510 if (ret != 0)
1511 return ret;
1514 usb_set_serial_data(serial, (void *)id->driver_info);
1516 return 0;
1519 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1521 struct ftdi_private *priv;
1522 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1525 dbg("%s", __func__);
1527 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1528 if (!priv) {
1529 dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1530 sizeof(struct ftdi_private));
1531 return -ENOMEM;
1534 kref_init(&priv->kref);
1535 spin_lock_init(&priv->tx_lock);
1536 init_waitqueue_head(&priv->delta_msr_wait);
1537 /* This will push the characters through immediately rather
1538 than queue a task to deliver them */
1539 priv->flags = ASYNC_LOW_LATENCY;
1541 if (quirk && quirk->port_probe)
1542 quirk->port_probe(priv);
1544 /* Increase the size of read buffers */
1545 kfree(port->bulk_in_buffer);
1546 port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL);
1547 if (!port->bulk_in_buffer) {
1548 kfree(priv);
1549 return -ENOMEM;
1551 if (port->read_urb) {
1552 port->read_urb->transfer_buffer = port->bulk_in_buffer;
1553 port->read_urb->transfer_buffer_length = BUFSZ;
1556 priv->port = port;
1558 /* Free port's existing write urb and transfer buffer. */
1559 if (port->write_urb) {
1560 usb_free_urb(port->write_urb);
1561 port->write_urb = NULL;
1563 kfree(port->bulk_out_buffer);
1564 port->bulk_out_buffer = NULL;
1566 usb_set_serial_port_data(port, priv);
1568 ftdi_determine_type(port);
1569 ftdi_set_max_packet_size(port);
1570 read_latency_timer(port);
1571 create_sysfs_attrs(port);
1572 return 0;
1575 /* Setup for the USB-UIRT device, which requires hardwired
1576 * baudrate (38400 gets mapped to 312500) */
1577 /* Called from usbserial:serial_probe */
1578 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1580 dbg("%s", __func__);
1582 priv->flags |= ASYNC_SPD_CUST;
1583 priv->custom_divisor = 77;
1584 priv->force_baud = 38400;
1585 } /* ftdi_USB_UIRT_setup */
1587 /* Setup for the HE-TIRA1 device, which requires hardwired
1588 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
1590 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1592 dbg("%s", __func__);
1594 priv->flags |= ASYNC_SPD_CUST;
1595 priv->custom_divisor = 240;
1596 priv->force_baud = 38400;
1597 priv->force_rtscts = 1;
1598 } /* ftdi_HE_TIRA1_setup */
1601 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1602 * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1604 static int ndi_latency_timer = 1;
1606 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1607 * baudrate (19200 gets mapped to 1200000).
1609 * Called from usbserial:serial_probe.
1611 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1613 struct usb_device *udev = serial->dev;
1614 int latency = ndi_latency_timer;
1615 int rv = 0;
1616 char buf[1];
1618 if (latency == 0)
1619 latency = 1;
1620 if (latency > 99)
1621 latency = 99;
1623 dbg("%s setting NDI device latency to %d", __func__, latency);
1624 dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1626 rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1627 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1628 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1629 latency, 0, buf, 0, WDR_TIMEOUT);
1630 return 0;
1634 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1635 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1636 * userspace using openocd.
1638 static int ftdi_jtag_probe(struct usb_serial *serial)
1640 struct usb_device *udev = serial->dev;
1641 struct usb_interface *interface = serial->interface;
1643 dbg("%s", __func__);
1645 if (interface == udev->actconfig->interface[0]) {
1646 dev_info(&udev->dev,
1647 "Ignoring serial port reserved for JTAG\n");
1648 return -ENODEV;
1651 return 0;
1655 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1656 * We have to correct it if we want to read from it.
1658 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1660 struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1661 struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1663 if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1664 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1665 dev_info(&serial->dev->dev,
1666 "Fixing invalid wMaxPacketSize on read pipe\n");
1669 return 0;
1672 static void ftdi_sio_priv_release(struct kref *k)
1674 struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1676 kfree(priv);
1679 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1681 struct ftdi_private *priv = usb_get_serial_port_data(port);
1683 dbg("%s", __func__);
1685 remove_sysfs_attrs(port);
1687 kref_put(&priv->kref, ftdi_sio_priv_release);
1689 return 0;
1692 static int ftdi_submit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
1694 struct urb *urb = port->read_urb;
1695 struct usb_serial *serial = port->serial;
1696 int result;
1698 usb_fill_bulk_urb(urb, serial->dev,
1699 usb_rcvbulkpipe(serial->dev,
1700 port->bulk_in_endpointAddress),
1701 urb->transfer_buffer,
1702 urb->transfer_buffer_length,
1703 ftdi_read_bulk_callback, port);
1704 result = usb_submit_urb(urb, mem_flags);
1705 if (result)
1706 dev_err(&port->dev,
1707 "%s - failed submitting read urb, error %d\n",
1708 __func__, result);
1709 return result;
1712 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1713 { /* ftdi_open */
1714 struct usb_device *dev = port->serial->dev;
1715 struct ftdi_private *priv = usb_get_serial_port_data(port);
1716 unsigned long flags;
1718 int result = 0;
1719 char buf[1]; /* Needed for the usb_control_msg I think */
1721 dbg("%s", __func__);
1723 spin_lock_irqsave(&priv->tx_lock, flags);
1724 priv->tx_bytes = 0;
1725 spin_unlock_irqrestore(&priv->tx_lock, flags);
1727 write_latency_timer(port);
1729 /* No error checking for this (will get errors later anyway) */
1730 /* See ftdi_sio.h for description of what is reset */
1731 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1732 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1733 FTDI_SIO_RESET_SIO,
1734 priv->interface, buf, 0, WDR_TIMEOUT);
1736 /* Termios defaults are set by usb_serial_init. We don't change
1737 port->tty->termios - this would lose speed settings, etc.
1738 This is same behaviour as serial.c/rs_open() - Kuba */
1740 /* ftdi_set_termios will send usb control messages */
1741 if (tty)
1742 ftdi_set_termios(tty, port, tty->termios);
1744 /* Not throttled */
1745 spin_lock_irqsave(&port->lock, flags);
1746 port->throttled = 0;
1747 port->throttle_req = 0;
1748 spin_unlock_irqrestore(&port->lock, flags);
1750 /* Start reading from the device */
1751 result = ftdi_submit_read_urb(port, GFP_KERNEL);
1752 if (!result)
1753 kref_get(&priv->kref);
1755 return result;
1756 } /* ftdi_open */
1759 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1761 struct ftdi_private *priv = usb_get_serial_port_data(port);
1762 char buf[1];
1764 mutex_lock(&port->serial->disc_mutex);
1765 if (!port->serial->disconnected) {
1766 /* Disable flow control */
1767 if (!on && usb_control_msg(port->serial->dev,
1768 usb_sndctrlpipe(port->serial->dev, 0),
1769 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1770 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1771 0, priv->interface, buf, 0,
1772 WDR_TIMEOUT) < 0) {
1773 dev_err(&port->dev, "error from flowcontrol urb\n");
1775 /* drop RTS and DTR */
1776 if (on)
1777 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1778 else
1779 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1781 mutex_unlock(&port->serial->disc_mutex);
1785 * usbserial:__serial_close only calls ftdi_close if the point is open
1787 * This only gets called when it is the last close
1792 static void ftdi_close(struct usb_serial_port *port)
1793 { /* ftdi_close */
1794 struct ftdi_private *priv = usb_get_serial_port_data(port);
1796 dbg("%s", __func__);
1798 /* shutdown our bulk read */
1799 usb_kill_urb(port->read_urb);
1800 kref_put(&priv->kref, ftdi_sio_priv_release);
1801 } /* ftdi_close */
1805 /* The SIO requires the first byte to have:
1806 * B0 1
1807 * B1 0
1808 * B2..7 length of message excluding byte 0
1810 * The new devices do not require this byte
1812 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
1813 const unsigned char *buf, int count)
1814 { /* ftdi_write */
1815 struct ftdi_private *priv = usb_get_serial_port_data(port);
1816 struct urb *urb;
1817 unsigned char *buffer;
1818 int data_offset ; /* will be 1 for the SIO and 0 otherwise */
1819 int status;
1820 int transfer_size;
1821 unsigned long flags;
1823 dbg("%s port %d, %d bytes", __func__, port->number, count);
1825 if (count == 0) {
1826 dbg("write request of 0 bytes");
1827 return 0;
1829 spin_lock_irqsave(&priv->tx_lock, flags);
1830 if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
1831 spin_unlock_irqrestore(&priv->tx_lock, flags);
1832 dbg("%s - write limit hit\n", __func__);
1833 return 0;
1835 priv->tx_outstanding_urbs++;
1836 spin_unlock_irqrestore(&priv->tx_lock, flags);
1838 data_offset = priv->write_offset;
1839 dbg("data_offset set to %d", data_offset);
1841 /* Determine total transfer size */
1842 transfer_size = count;
1843 if (data_offset > 0) {
1844 /* Original sio needs control bytes too... */
1845 transfer_size += (data_offset *
1846 ((count + (priv->max_packet_size - 1 - data_offset)) /
1847 (priv->max_packet_size - data_offset)));
1850 buffer = kmalloc(transfer_size, GFP_ATOMIC);
1851 if (!buffer) {
1852 dev_err(&port->dev,
1853 "%s ran out of kernel memory for urb ...\n", __func__);
1854 count = -ENOMEM;
1855 goto error_no_buffer;
1858 urb = usb_alloc_urb(0, GFP_ATOMIC);
1859 if (!urb) {
1860 dev_err(&port->dev, "%s - no more free urbs\n", __func__);
1861 count = -ENOMEM;
1862 goto error_no_urb;
1865 /* Copy data */
1866 if (data_offset > 0) {
1867 /* Original sio requires control byte at start of
1868 each packet. */
1869 int user_pktsz = priv->max_packet_size - data_offset;
1870 int todo = count;
1871 unsigned char *first_byte = buffer;
1872 const unsigned char *current_position = buf;
1874 while (todo > 0) {
1875 if (user_pktsz > todo)
1876 user_pktsz = todo;
1877 /* Write the control byte at the front of the packet*/
1878 *first_byte = 1 | ((user_pktsz) << 2);
1879 /* Copy data for packet */
1880 memcpy(first_byte + data_offset,
1881 current_position, user_pktsz);
1882 first_byte += user_pktsz + data_offset;
1883 current_position += user_pktsz;
1884 todo -= user_pktsz;
1886 } else {
1887 /* No control byte required. */
1888 /* Copy in the data to send */
1889 memcpy(buffer, buf, count);
1892 usb_serial_debug_data(debug, &port->dev, __func__,
1893 transfer_size, buffer);
1895 /* fill the buffer and send it */
1896 usb_fill_bulk_urb(urb, port->serial->dev,
1897 usb_sndbulkpipe(port->serial->dev,
1898 port->bulk_out_endpointAddress),
1899 buffer, transfer_size,
1900 ftdi_write_bulk_callback, port);
1902 status = usb_submit_urb(urb, GFP_ATOMIC);
1903 if (status) {
1904 dev_err(&port->dev,
1905 "%s - failed submitting write urb, error %d\n",
1906 __func__, status);
1907 count = status;
1908 goto error;
1909 } else {
1910 spin_lock_irqsave(&priv->tx_lock, flags);
1911 priv->tx_outstanding_bytes += count;
1912 priv->tx_bytes += count;
1913 spin_unlock_irqrestore(&priv->tx_lock, flags);
1916 /* we are done with this urb, so let the host driver
1917 * really free it when it is finished with it */
1918 usb_free_urb(urb);
1920 dbg("%s write returning: %d", __func__, count);
1921 return count;
1922 error:
1923 usb_free_urb(urb);
1924 error_no_urb:
1925 kfree(buffer);
1926 error_no_buffer:
1927 spin_lock_irqsave(&priv->tx_lock, flags);
1928 priv->tx_outstanding_urbs--;
1929 spin_unlock_irqrestore(&priv->tx_lock, flags);
1930 return count;
1931 } /* ftdi_write */
1934 /* This function may get called when the device is closed */
1936 static void ftdi_write_bulk_callback(struct urb *urb)
1938 unsigned long flags;
1939 struct usb_serial_port *port = urb->context;
1940 struct ftdi_private *priv;
1941 int data_offset; /* will be 1 for the SIO and 0 otherwise */
1942 unsigned long countback;
1943 int status = urb->status;
1945 /* free up the transfer buffer, as usb_free_urb() does not do this */
1946 kfree(urb->transfer_buffer);
1948 dbg("%s - port %d", __func__, port->number);
1950 priv = usb_get_serial_port_data(port);
1951 if (!priv) {
1952 dbg("%s - bad port private data pointer - exiting", __func__);
1953 return;
1955 /* account for transferred data */
1956 countback = urb->transfer_buffer_length;
1957 data_offset = priv->write_offset;
1958 if (data_offset > 0) {
1959 /* Subtract the control bytes */
1960 countback -= (data_offset * DIV_ROUND_UP(countback, priv->max_packet_size));
1962 spin_lock_irqsave(&priv->tx_lock, flags);
1963 --priv->tx_outstanding_urbs;
1964 priv->tx_outstanding_bytes -= countback;
1965 spin_unlock_irqrestore(&priv->tx_lock, flags);
1967 if (status) {
1968 dbg("nonzero write bulk status received: %d", status);
1971 usb_serial_port_softint(port);
1972 } /* ftdi_write_bulk_callback */
1975 static int ftdi_write_room(struct tty_struct *tty)
1977 struct usb_serial_port *port = tty->driver_data;
1978 struct ftdi_private *priv = usb_get_serial_port_data(port);
1979 int room;
1980 unsigned long flags;
1982 dbg("%s - port %d", __func__, port->number);
1984 spin_lock_irqsave(&priv->tx_lock, flags);
1985 if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) {
1987 * We really can take anything the user throws at us
1988 * but let's pick a nice big number to tell the tty
1989 * layer that we have lots of free space
1991 room = 2048;
1992 } else {
1993 room = 0;
1995 spin_unlock_irqrestore(&priv->tx_lock, flags);
1996 return room;
1999 static int ftdi_chars_in_buffer(struct tty_struct *tty)
2001 struct usb_serial_port *port = tty->driver_data;
2002 struct ftdi_private *priv = usb_get_serial_port_data(port);
2003 int buffered;
2004 unsigned long flags;
2006 dbg("%s - port %d", __func__, port->number);
2008 spin_lock_irqsave(&priv->tx_lock, flags);
2009 buffered = (int)priv->tx_outstanding_bytes;
2010 spin_unlock_irqrestore(&priv->tx_lock, flags);
2011 if (buffered < 0) {
2012 dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
2013 __func__);
2014 buffered = 0;
2016 return buffered;
2019 static int ftdi_process_packet(struct tty_struct *tty,
2020 struct usb_serial_port *port, struct ftdi_private *priv,
2021 char *packet, int len)
2023 int i;
2024 char status;
2025 char flag;
2026 char *ch;
2028 dbg("%s - port %d", __func__, port->number);
2030 if (len < 2) {
2031 dbg("malformed packet");
2032 return 0;
2035 /* Compare new line status to the old one, signal if different/
2036 N.B. packet may be processed more than once, but differences
2037 are only processed once. */
2038 status = packet[0] & FTDI_STATUS_B0_MASK;
2039 if (status != priv->prev_status) {
2040 priv->diff_status |= status ^ priv->prev_status;
2041 wake_up_interruptible(&priv->delta_msr_wait);
2042 priv->prev_status = status;
2046 * Although the device uses a bitmask and hence can have multiple
2047 * errors on a packet - the order here sets the priority the error is
2048 * returned to the tty layer.
2050 flag = TTY_NORMAL;
2051 if (packet[1] & FTDI_RS_OE) {
2052 flag = TTY_OVERRUN;
2053 dbg("OVERRRUN error");
2055 if (packet[1] & FTDI_RS_BI) {
2056 flag = TTY_BREAK;
2057 dbg("BREAK received");
2058 usb_serial_handle_break(port);
2060 if (packet[1] & FTDI_RS_PE) {
2061 flag = TTY_PARITY;
2062 dbg("PARITY error");
2064 if (packet[1] & FTDI_RS_FE) {
2065 flag = TTY_FRAME;
2066 dbg("FRAMING error");
2069 len -= 2;
2070 if (!len)
2071 return 0; /* status only */
2072 ch = packet + 2;
2074 if (!(port->console && port->sysrq) && flag == TTY_NORMAL)
2075 tty_insert_flip_string(tty, ch, len);
2076 else {
2077 for (i = 0; i < len; i++, ch++) {
2078 if (!usb_serial_handle_sysrq_char(tty, port, *ch))
2079 tty_insert_flip_char(tty, *ch, flag);
2082 return len;
2085 static void ftdi_process_read(struct usb_serial_port *port)
2087 struct urb *urb = port->read_urb;
2088 struct tty_struct *tty;
2089 struct ftdi_private *priv = usb_get_serial_port_data(port);
2090 char *data = (char *)urb->transfer_buffer;
2091 int i;
2092 int len;
2093 int count = 0;
2095 tty = tty_port_tty_get(&port->port);
2096 if (!tty)
2097 return;
2099 for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2100 len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2101 count += ftdi_process_packet(tty, port, priv, &data[i], len);
2104 if (count)
2105 tty_flip_buffer_push(tty);
2106 tty_kref_put(tty);
2109 static void ftdi_read_bulk_callback(struct urb *urb)
2111 struct usb_serial_port *port = urb->context;
2112 unsigned long flags;
2114 dbg("%s - port %d", __func__, port->number);
2116 if (urb->status) {
2117 dbg("%s - nonzero read bulk status received: %d",
2118 __func__, urb->status);
2119 return;
2122 usb_serial_debug_data(debug, &port->dev, __func__,
2123 urb->actual_length, urb->transfer_buffer);
2124 ftdi_process_read(port);
2126 spin_lock_irqsave(&port->lock, flags);
2127 port->throttled = port->throttle_req;
2128 if (!port->throttled) {
2129 spin_unlock_irqrestore(&port->lock, flags);
2130 ftdi_submit_read_urb(port, GFP_ATOMIC);
2131 } else
2132 spin_unlock_irqrestore(&port->lock, flags);
2135 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2137 struct usb_serial_port *port = tty->driver_data;
2138 struct ftdi_private *priv = usb_get_serial_port_data(port);
2139 __u16 urb_value = 0;
2140 char buf[1];
2142 /* break_state = -1 to turn on break, and 0 to turn off break */
2143 /* see drivers/char/tty_io.c to see it used */
2144 /* last_set_data_urb_value NEVER has the break bit set in it */
2146 if (break_state)
2147 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2148 else
2149 urb_value = priv->last_set_data_urb_value;
2151 if (usb_control_msg(port->serial->dev,
2152 usb_sndctrlpipe(port->serial->dev, 0),
2153 FTDI_SIO_SET_DATA_REQUEST,
2154 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2155 urb_value , priv->interface,
2156 buf, 0, WDR_TIMEOUT) < 0) {
2157 dev_err(&port->dev, "%s FAILED to enable/disable break state "
2158 "(state was %d)\n", __func__, break_state);
2161 dbg("%s break state is %d - urb is %d", __func__,
2162 break_state, urb_value);
2167 /* old_termios contains the original termios settings and tty->termios contains
2168 * the new setting to be used
2169 * WARNING: set_termios calls this with old_termios in kernel space
2172 static void ftdi_set_termios(struct tty_struct *tty,
2173 struct usb_serial_port *port, struct ktermios *old_termios)
2174 { /* ftdi_termios */
2175 struct usb_device *dev = port->serial->dev;
2176 struct ftdi_private *priv = usb_get_serial_port_data(port);
2177 struct ktermios *termios = tty->termios;
2178 unsigned int cflag = termios->c_cflag;
2179 __u16 urb_value; /* will hold the new flags */
2180 char buf[1]; /* Perhaps I should dynamically alloc this? */
2182 /* Added for xon/xoff support */
2183 unsigned int iflag = termios->c_iflag;
2184 unsigned char vstop;
2185 unsigned char vstart;
2187 dbg("%s", __func__);
2189 /* Force baud rate if this device requires it, unless it is set to
2190 B0. */
2191 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2192 dbg("%s: forcing baud rate for this device", __func__);
2193 tty_encode_baud_rate(tty, priv->force_baud,
2194 priv->force_baud);
2197 /* Force RTS-CTS if this device requires it. */
2198 if (priv->force_rtscts) {
2199 dbg("%s: forcing rtscts for this device", __func__);
2200 termios->c_cflag |= CRTSCTS;
2203 cflag = termios->c_cflag;
2205 /* FIXME -For this cut I don't care if the line is really changing or
2206 not - so just do the change regardless - should be able to
2207 compare old_termios and tty->termios */
2208 /* NOTE These routines can get interrupted by
2209 ftdi_sio_read_bulk_callback - need to examine what this means -
2210 don't see any problems yet */
2212 /* Set number of data bits, parity, stop bits */
2214 termios->c_cflag &= ~CMSPAR;
2216 urb_value = 0;
2217 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2218 FTDI_SIO_SET_DATA_STOP_BITS_1);
2219 urb_value |= (cflag & PARENB ?
2220 (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
2221 FTDI_SIO_SET_DATA_PARITY_EVEN) :
2222 FTDI_SIO_SET_DATA_PARITY_NONE);
2223 if (cflag & CSIZE) {
2224 switch (cflag & CSIZE) {
2225 case CS5: urb_value |= 5; dbg("Setting CS5"); break;
2226 case CS6: urb_value |= 6; dbg("Setting CS6"); break;
2227 case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2228 case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2229 default:
2230 dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
2234 /* This is needed by the break command since it uses the same command
2235 - but is or'ed with this value */
2236 priv->last_set_data_urb_value = urb_value;
2238 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2239 FTDI_SIO_SET_DATA_REQUEST,
2240 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2241 urb_value , priv->interface,
2242 buf, 0, WDR_SHORT_TIMEOUT) < 0) {
2243 dev_err(&port->dev, "%s FAILED to set "
2244 "databits/stopbits/parity\n", __func__);
2247 /* Now do the baudrate */
2248 if ((cflag & CBAUD) == B0) {
2249 /* Disable flow control */
2250 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2251 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2252 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2253 0, priv->interface,
2254 buf, 0, WDR_TIMEOUT) < 0) {
2255 dev_err(&port->dev,
2256 "%s error from disable flowcontrol urb\n",
2257 __func__);
2259 /* Drop RTS and DTR */
2260 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2261 } else {
2262 /* set the baudrate determined before */
2263 if (change_speed(tty, port))
2264 dev_err(&port->dev, "%s urb failed to set baudrate\n",
2265 __func__);
2266 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2267 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2268 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2271 /* Set flow control */
2272 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2273 if (cflag & CRTSCTS) {
2274 dbg("%s Setting to CRTSCTS flow control", __func__);
2275 if (usb_control_msg(dev,
2276 usb_sndctrlpipe(dev, 0),
2277 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2278 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2279 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2280 buf, 0, WDR_TIMEOUT) < 0) {
2281 dev_err(&port->dev,
2282 "urb failed to set to rts/cts flow control\n");
2285 } else {
2287 * Xon/Xoff code
2289 * Check the IXOFF status in the iflag component of the
2290 * termios structure. If IXOFF is not set, the pre-xon/xoff
2291 * code is executed.
2293 if (iflag & IXOFF) {
2294 dbg("%s request to enable xonxoff iflag=%04x",
2295 __func__, iflag);
2296 /* Try to enable the XON/XOFF on the ftdi_sio
2297 * Set the vstart and vstop -- could have been done up
2298 * above where a lot of other dereferencing is done but
2299 * that would be very inefficient as vstart and vstop
2300 * are not always needed.
2302 vstart = termios->c_cc[VSTART];
2303 vstop = termios->c_cc[VSTOP];
2304 urb_value = (vstop << 8) | (vstart);
2306 if (usb_control_msg(dev,
2307 usb_sndctrlpipe(dev, 0),
2308 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2309 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2310 urb_value , (FTDI_SIO_XON_XOFF_HS
2311 | priv->interface),
2312 buf, 0, WDR_TIMEOUT) < 0) {
2313 dev_err(&port->dev, "urb failed to set to "
2314 "xon/xoff flow control\n");
2316 } else {
2317 /* else clause to only run if cflag ! CRTSCTS and iflag
2318 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2319 * stack - not by device */
2320 dbg("%s Turning off hardware flow control", __func__);
2321 if (usb_control_msg(dev,
2322 usb_sndctrlpipe(dev, 0),
2323 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2324 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2325 0, priv->interface,
2326 buf, 0, WDR_TIMEOUT) < 0) {
2327 dev_err(&port->dev,
2328 "urb failed to clear flow control\n");
2333 return;
2336 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
2338 struct usb_serial_port *port = tty->driver_data;
2339 struct ftdi_private *priv = usb_get_serial_port_data(port);
2340 unsigned char buf[2];
2341 int ret;
2343 dbg("%s TIOCMGET", __func__);
2344 switch (priv->chip_type) {
2345 case SIO:
2346 /* Request the status from the device */
2347 ret = usb_control_msg(port->serial->dev,
2348 usb_rcvctrlpipe(port->serial->dev, 0),
2349 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2350 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2351 0, 0,
2352 buf, 1, WDR_TIMEOUT);
2353 if (ret < 0)
2354 return ret;
2355 break;
2356 case FT8U232AM:
2357 case FT232BM:
2358 case FT2232C:
2359 case FT232RL:
2360 case FT2232H:
2361 case FT4232H:
2362 /* the 8U232AM returns a two byte value (the sio is a 1 byte
2363 value) - in the same format as the data returned from the in
2364 point */
2365 ret = usb_control_msg(port->serial->dev,
2366 usb_rcvctrlpipe(port->serial->dev, 0),
2367 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2368 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2369 0, priv->interface,
2370 buf, 2, WDR_TIMEOUT);
2371 if (ret < 0)
2372 return ret;
2373 break;
2374 default:
2375 return -EFAULT;
2378 return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2379 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2380 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2381 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2382 priv->last_dtr_rts;
2385 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
2386 unsigned int set, unsigned int clear)
2388 struct usb_serial_port *port = tty->driver_data;
2389 dbg("%s TIOCMSET", __func__);
2390 return update_mctrl(port, set, clear);
2394 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
2395 unsigned int cmd, unsigned long arg)
2397 struct usb_serial_port *port = tty->driver_data;
2398 struct ftdi_private *priv = usb_get_serial_port_data(port);
2400 dbg("%s cmd 0x%04x", __func__, cmd);
2402 /* Based on code from acm.c and others */
2403 switch (cmd) {
2405 case TIOCGSERIAL: /* gets serial port data */
2406 return get_serial_info(port,
2407 (struct serial_struct __user *) arg);
2409 case TIOCSSERIAL: /* sets serial port data */
2410 return set_serial_info(tty, port,
2411 (struct serial_struct __user *) arg);
2414 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2415 * - mask passed in arg for lines of interest
2416 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2417 * Caller should use TIOCGICOUNT to see which one it was.
2419 * This code is borrowed from linux/drivers/char/serial.c
2421 case TIOCMIWAIT:
2422 while (priv != NULL) {
2423 interruptible_sleep_on(&priv->delta_msr_wait);
2424 /* see if a signal did it */
2425 if (signal_pending(current))
2426 return -ERESTARTSYS;
2427 else {
2428 char diff = priv->diff_status;
2430 if (diff == 0)
2431 return -EIO; /* no change => error */
2433 /* Consume all events */
2434 priv->diff_status = 0;
2436 /* Return 0 if caller wanted to know about
2437 these bits */
2438 if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2439 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2440 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) ||
2441 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2442 return 0;
2445 * Otherwise caller can't care less about what
2446 * happened,and so we continue to wait for more
2447 * events.
2451 return 0;
2452 default:
2453 break;
2455 /* This is not necessarily an error - turns out the higher layers
2456 * will do some ioctls themselves (see comment above)
2458 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2459 return -ENOIOCTLCMD;
2462 static void ftdi_throttle(struct tty_struct *tty)
2464 struct usb_serial_port *port = tty->driver_data;
2465 unsigned long flags;
2467 dbg("%s - port %d", __func__, port->number);
2469 spin_lock_irqsave(&port->lock, flags);
2470 port->throttle_req = 1;
2471 spin_unlock_irqrestore(&port->lock, flags);
2474 void ftdi_unthrottle(struct tty_struct *tty)
2476 struct usb_serial_port *port = tty->driver_data;
2477 int was_throttled;
2478 unsigned long flags;
2480 dbg("%s - port %d", __func__, port->number);
2482 spin_lock_irqsave(&port->lock, flags);
2483 was_throttled = port->throttled;
2484 port->throttled = port->throttle_req = 0;
2485 spin_unlock_irqrestore(&port->lock, flags);
2487 /* Resubmit urb if throttled and open. */
2488 if (was_throttled && test_bit(ASYNCB_INITIALIZED, &port->port.flags))
2489 ftdi_submit_read_urb(port, GFP_KERNEL);
2492 static int __init ftdi_init(void)
2494 int retval;
2496 dbg("%s", __func__);
2497 if (vendor > 0 && product > 0) {
2498 /* Add user specified VID/PID to reserved element of table. */
2499 int i;
2500 for (i = 0; id_table_combined[i].idVendor; i++)
2502 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2503 id_table_combined[i].idVendor = vendor;
2504 id_table_combined[i].idProduct = product;
2506 retval = usb_serial_register(&ftdi_sio_device);
2507 if (retval)
2508 goto failed_sio_register;
2509 retval = usb_register(&ftdi_driver);
2510 if (retval)
2511 goto failed_usb_register;
2513 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2514 DRIVER_DESC "\n");
2515 return 0;
2516 failed_usb_register:
2517 usb_serial_deregister(&ftdi_sio_device);
2518 failed_sio_register:
2519 return retval;
2523 static void __exit ftdi_exit(void)
2526 dbg("%s", __func__);
2528 usb_deregister(&ftdi_driver);
2529 usb_serial_deregister(&ftdi_sio_device);
2534 module_init(ftdi_init);
2535 module_exit(ftdi_exit);
2537 MODULE_AUTHOR(DRIVER_AUTHOR);
2538 MODULE_DESCRIPTION(DRIVER_DESC);
2539 MODULE_LICENSE("GPL");
2541 module_param(debug, bool, S_IRUGO | S_IWUSR);
2542 MODULE_PARM_DESC(debug, "Debug enabled or not");
2543 module_param(vendor, ushort, 0);
2544 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2545 __MODULE_STRING(FTDI_VID)")");
2546 module_param(product, ushort, 0);
2547 MODULE_PARM_DESC(product, "User specified product ID");
2549 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2550 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");