4 * Copyright (C) 1999 - 2001
5 * Greg Kroah-Hartman (greg@kroah.com)
6 * Bill Ryder (bryder@sgi.com)
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 driver
17 * See http://ftdi-usb-sio.sourceforge.net for upto date testing info
18 * and extra documentation
20 * Change entries from 2004 and earlier can be found in versions of this
21 * file in kernel versions prior to the 2.6.24 release.
25 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
26 /* Thanx to FTDI for so kindly providing details of the protocol required */
27 /* to talk to the device */
28 /* Thanx to gkh and the rest of the usb dev group for all code I have assimilated :-) */
30 #include <linux/kernel.h>
31 #include <linux/errno.h>
32 #include <linux/init.h>
33 #include <linux/slab.h>
34 #include <linux/tty.h>
35 #include <linux/tty_driver.h>
36 #include <linux/tty_flip.h>
37 #include <linux/module.h>
38 #include <linux/spinlock.h>
39 #include <asm/uaccess.h>
40 #include <linux/usb.h>
41 #include <linux/serial.h>
42 #include <linux/usb/serial.h>
48 #define DRIVER_VERSION "v1.4.3"
49 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>"
50 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
53 static __u16 vendor = FTDI_VID;
57 ftdi_chip_type_t chip_type;
58 /* type of the device, either SIO or FT8U232AM */
59 int baud_base; /* baud base clock for divisor setting */
60 int custom_divisor; /* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */
61 __u16 last_set_data_urb_value ;
62 /* the last data state set - needed for doing a break */
63 int write_offset; /* This is the offset in the usb data block to write the serial data -
64 * it is different between devices
66 int flags; /* some ASYNC_xxxx flags are supported */
67 unsigned long last_dtr_rts; /* saved modem control outputs */
68 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
69 char prev_status, diff_status; /* Used for TIOCMIWAIT */
70 __u8 rx_flags; /* receive state flags (throttling) */
71 spinlock_t rx_lock; /* spinlock for receive state */
72 struct delayed_work rx_work;
73 struct usb_serial_port *port;
75 unsigned long rx_bytes;
77 __u16 interface; /* FT2232C port interface (0 for FT232/245) */
79 speed_t force_baud; /* if non-zero, force the baud rate to this value */
80 int force_rtscts; /* if non-zero, force RTS-CTS to always be enabled */
82 spinlock_t tx_lock; /* spinlock for transmit state */
83 unsigned long tx_bytes;
84 unsigned long tx_outstanding_bytes;
85 unsigned long tx_outstanding_urbs;
88 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
89 struct ftdi_sio_quirk {
90 int (*probe)(struct usb_serial *);
91 void (*port_probe)(struct ftdi_private *); /* Special settings for probed ports. */
94 static int ftdi_jtag_probe (struct usb_serial *serial);
95 static int ftdi_mtxorb_hack_setup (struct usb_serial *serial);
96 static void ftdi_USB_UIRT_setup (struct ftdi_private *priv);
97 static void ftdi_HE_TIRA1_setup (struct ftdi_private *priv);
99 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
100 .probe = ftdi_jtag_probe,
103 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
104 .probe = ftdi_mtxorb_hack_setup,
107 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
108 .port_probe = ftdi_USB_UIRT_setup,
111 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
112 .port_probe = ftdi_HE_TIRA1_setup,
116 * The 8U232AM has the same API as the sio except for:
117 * - it can support MUCH higher baudrates; up to:
118 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
120 * so .. 8U232AM's baudrate setting codes are different
121 * - it has a two byte status code.
122 * - it returns characters every 16ms (the FTDI does it every 40ms)
124 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
125 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
126 * combinations in both tables.
127 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
128 * but I don't know if those ever went into mass production. [Ian Abbott]
133 static struct usb_device_id id_table_combined [] = {
134 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
135 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
136 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
137 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
138 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
139 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
140 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
141 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
142 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
143 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
144 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
145 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
146 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
147 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
148 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
149 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
150 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
151 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
152 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
153 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
154 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
155 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
156 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
157 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
158 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
159 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
160 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
161 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
162 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
163 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
164 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
165 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
166 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
167 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
168 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
169 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
170 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
173 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
174 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
175 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
176 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
177 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0100_PID) },
178 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0101_PID) },
179 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0102_PID) },
180 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0103_PID) },
181 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0104_PID) },
182 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0105_PID) },
183 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0106_PID) },
184 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0107_PID) },
185 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0108_PID) },
186 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0109_PID) },
187 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010A_PID) },
188 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010B_PID) },
189 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010C_PID) },
190 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010D_PID) },
191 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010E_PID) },
192 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010F_PID) },
193 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0110_PID) },
194 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0111_PID) },
195 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0112_PID) },
196 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0113_PID) },
197 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0114_PID) },
198 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0115_PID) },
199 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0116_PID) },
200 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0117_PID) },
201 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0118_PID) },
202 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0119_PID) },
203 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011A_PID) },
204 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011B_PID) },
205 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011C_PID) },
206 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011D_PID) },
207 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011E_PID) },
208 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011F_PID) },
209 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0120_PID) },
210 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0121_PID) },
211 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0122_PID) },
212 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0123_PID) },
213 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0124_PID) },
214 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0125_PID) },
215 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0126_PID) },
216 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0127_PID),
217 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
218 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0128_PID) },
219 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0129_PID) },
220 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012A_PID) },
221 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012B_PID) },
222 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012C_PID),
223 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
224 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012D_PID) },
225 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012E_PID) },
226 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012F_PID) },
227 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0130_PID) },
228 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0131_PID) },
229 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0132_PID) },
230 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0133_PID) },
231 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0134_PID) },
232 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0135_PID) },
233 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0136_PID) },
234 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0137_PID) },
235 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0138_PID) },
236 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0139_PID) },
237 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013A_PID) },
238 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013B_PID) },
239 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013C_PID) },
240 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013D_PID) },
241 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013E_PID) },
242 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013F_PID) },
243 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0140_PID) },
244 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0141_PID) },
245 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0142_PID) },
246 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0143_PID) },
247 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0144_PID) },
248 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0145_PID) },
249 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0146_PID) },
250 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0147_PID) },
251 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0148_PID) },
252 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0149_PID) },
253 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014A_PID) },
254 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014B_PID) },
255 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014C_PID) },
256 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014D_PID) },
257 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014E_PID) },
258 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014F_PID) },
259 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0150_PID) },
260 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0151_PID) },
261 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0152_PID) },
262 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0153_PID),
263 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
264 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0154_PID),
265 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
266 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0155_PID),
267 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
268 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0156_PID),
269 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
270 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0157_PID),
271 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
272 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0158_PID),
273 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
274 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0159_PID) },
275 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015A_PID) },
276 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015B_PID) },
277 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015C_PID) },
278 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015D_PID) },
279 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015E_PID) },
280 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015F_PID) },
281 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0160_PID) },
282 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0161_PID) },
283 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0162_PID) },
284 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0163_PID) },
285 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0164_PID) },
286 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0165_PID) },
287 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0166_PID) },
288 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0167_PID) },
289 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0168_PID) },
290 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0169_PID) },
291 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016A_PID) },
292 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016B_PID) },
293 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016C_PID) },
294 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016D_PID) },
295 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016E_PID) },
296 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016F_PID) },
297 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0170_PID) },
298 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0171_PID) },
299 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0172_PID) },
300 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0173_PID) },
301 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0174_PID) },
302 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0175_PID) },
303 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0176_PID) },
304 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0177_PID) },
305 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0178_PID) },
306 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0179_PID) },
307 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017A_PID) },
308 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017B_PID) },
309 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017C_PID) },
310 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017D_PID) },
311 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017E_PID) },
312 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017F_PID) },
313 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0180_PID) },
314 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0181_PID) },
315 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0182_PID) },
316 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0183_PID) },
317 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0184_PID) },
318 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0185_PID) },
319 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0186_PID) },
320 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0187_PID) },
321 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0188_PID) },
322 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0189_PID) },
323 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018A_PID) },
324 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018B_PID) },
325 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018C_PID) },
326 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018D_PID) },
327 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018E_PID) },
328 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018F_PID) },
329 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0190_PID) },
330 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0191_PID) },
331 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0192_PID) },
332 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0193_PID) },
333 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0194_PID) },
334 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0195_PID) },
335 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0196_PID) },
336 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0197_PID) },
337 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0198_PID) },
338 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0199_PID) },
339 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019A_PID) },
340 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019B_PID) },
341 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019C_PID) },
342 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019D_PID) },
343 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019E_PID) },
344 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019F_PID) },
345 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A0_PID) },
346 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A1_PID) },
347 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A2_PID) },
348 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A3_PID) },
349 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A4_PID) },
350 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A5_PID) },
351 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A6_PID) },
352 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A7_PID) },
353 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A8_PID) },
354 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A9_PID) },
355 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AA_PID) },
356 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AB_PID) },
357 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AC_PID) },
358 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AD_PID) },
359 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AE_PID) },
360 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AF_PID) },
361 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B0_PID) },
362 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B1_PID) },
363 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B2_PID) },
364 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B3_PID) },
365 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B4_PID) },
366 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B5_PID) },
367 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B6_PID) },
368 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B7_PID) },
369 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B8_PID) },
370 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B9_PID) },
371 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BA_PID) },
372 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BB_PID) },
373 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BC_PID) },
374 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BD_PID) },
375 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BE_PID) },
376 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BF_PID) },
377 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C0_PID) },
378 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C1_PID) },
379 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C2_PID) },
380 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C3_PID) },
381 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C4_PID) },
382 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C5_PID) },
383 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C6_PID) },
384 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C7_PID) },
385 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C8_PID) },
386 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C9_PID) },
387 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CA_PID) },
388 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CB_PID) },
389 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CC_PID) },
390 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CD_PID) },
391 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CE_PID) },
392 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CF_PID) },
393 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D0_PID) },
394 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D1_PID) },
395 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D2_PID) },
396 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D3_PID) },
397 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D4_PID) },
398 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D5_PID) },
399 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D6_PID) },
400 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D7_PID) },
401 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D8_PID) },
402 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D9_PID) },
403 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DA_PID) },
404 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DB_PID) },
405 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DC_PID) },
406 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DD_PID) },
407 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DE_PID) },
408 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DF_PID) },
409 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E0_PID) },
410 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E1_PID) },
411 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E2_PID) },
412 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E3_PID) },
413 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E4_PID) },
414 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E5_PID) },
415 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E6_PID) },
416 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E7_PID) },
417 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E8_PID) },
418 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E9_PID) },
419 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EA_PID) },
420 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EB_PID) },
421 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EC_PID) },
422 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01ED_PID) },
423 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EE_PID) },
424 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EF_PID) },
425 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F0_PID) },
426 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F1_PID) },
427 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F2_PID) },
428 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F3_PID) },
429 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F4_PID) },
430 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F5_PID) },
431 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F6_PID) },
432 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F7_PID) },
433 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F8_PID) },
434 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F9_PID) },
435 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FA_PID) },
436 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FB_PID) },
437 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FC_PID) },
438 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FD_PID) },
439 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FE_PID) },
440 { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FF_PID) },
441 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
442 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
443 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
444 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
445 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
446 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
447 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
448 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
449 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
450 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
451 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
452 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
453 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
454 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
455 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
456 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
457 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
458 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
459 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
460 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
461 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
462 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
463 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
464 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
465 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
466 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
467 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
468 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
469 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
470 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
471 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
472 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
473 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
474 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
475 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
492 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
493 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
494 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
495 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
496 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
497 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
498 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
499 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
500 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
501 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
502 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
503 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
504 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
505 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
506 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
507 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
508 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
509 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
510 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
511 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
512 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
513 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
514 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
515 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
516 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
517 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
518 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
519 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
520 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
521 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
522 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
523 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
524 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
525 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
526 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
527 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
528 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
529 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
530 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
531 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
533 * Due to many user requests for multiple ELV devices we enable
536 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
537 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
538 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
539 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
540 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
541 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
542 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
543 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
544 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
545 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
546 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
547 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
548 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
549 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
550 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
551 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
552 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
553 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
554 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
555 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
556 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
557 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
558 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
559 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
560 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
561 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
562 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
563 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
564 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
565 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
566 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
567 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
568 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
569 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
570 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
571 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
572 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
573 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
574 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
575 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
576 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
577 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
578 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
579 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
580 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
581 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
582 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
583 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
584 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
585 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
586 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
587 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
588 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
589 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
590 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
591 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
592 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
593 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
594 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
595 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
596 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
597 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
598 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
599 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
600 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
601 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
602 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
603 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
604 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
605 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
606 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
607 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
608 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
609 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
610 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
611 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
612 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
613 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
614 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
615 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
616 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
617 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
618 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
619 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
620 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
621 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
622 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
623 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
624 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
625 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
626 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
627 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
628 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
629 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
630 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
631 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
632 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
633 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
634 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
635 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
636 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
637 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
638 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
639 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
640 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
641 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
642 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
643 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
644 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
645 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
646 { }, /* Optional parameter entry */
647 { } /* Terminating entry */
650 MODULE_DEVICE_TABLE (usb, id_table_combined);
652 static struct usb_driver ftdi_driver = {
654 .probe = usb_serial_probe,
655 .disconnect = usb_serial_disconnect,
656 .id_table = id_table_combined,
660 static const char *ftdi_chip_name[] = {
661 [SIO] = "SIO", /* the serial part of FT8U100AX */
662 [FT8U232AM] = "FT8U232AM",
663 [FT232BM] = "FT232BM",
664 [FT2232C] = "FT2232C",
665 [FT232RL] = "FT232RL",
669 /* Constants for read urb and write urb */
674 #define THROTTLED 0x01
675 #define ACTUALLY_THROTTLED 0x02
677 /* Used for TIOCMIWAIT */
678 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
679 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
682 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
683 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
685 /* function prototypes for a FTDI serial converter */
686 static int ftdi_sio_probe (struct usb_serial *serial, const struct usb_device_id *id);
687 static void ftdi_shutdown (struct usb_serial *serial);
688 static int ftdi_sio_port_probe (struct usb_serial_port *port);
689 static int ftdi_sio_port_remove (struct usb_serial_port *port);
690 static int ftdi_open (struct usb_serial_port *port, struct file *filp);
691 static void ftdi_close (struct usb_serial_port *port, struct file *filp);
692 static int ftdi_write (struct usb_serial_port *port, const unsigned char *buf, int count);
693 static int ftdi_write_room (struct usb_serial_port *port);
694 static int ftdi_chars_in_buffer (struct usb_serial_port *port);
695 static void ftdi_write_bulk_callback (struct urb *urb);
696 static void ftdi_read_bulk_callback (struct urb *urb);
697 static void ftdi_process_read (struct work_struct *work);
698 static void ftdi_set_termios (struct usb_serial_port *port, struct ktermios * old);
699 static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file);
700 static int ftdi_tiocmset (struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear);
701 static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
702 static void ftdi_break_ctl (struct usb_serial_port *port, int break_state );
703 static void ftdi_throttle (struct usb_serial_port *port);
704 static void ftdi_unthrottle (struct usb_serial_port *port);
706 static unsigned short int ftdi_232am_baud_base_to_divisor (int baud, int base);
707 static unsigned short int ftdi_232am_baud_to_divisor (int baud);
708 static __u32 ftdi_232bm_baud_base_to_divisor (int baud, int base);
709 static __u32 ftdi_232bm_baud_to_divisor (int baud);
711 static struct usb_serial_driver ftdi_sio_device = {
713 .owner = THIS_MODULE,
716 .description = "FTDI USB Serial Device",
717 .usb_driver = &ftdi_driver ,
718 .id_table = id_table_combined,
720 .probe = ftdi_sio_probe,
721 .port_probe = ftdi_sio_port_probe,
722 .port_remove = ftdi_sio_port_remove,
725 .throttle = ftdi_throttle,
726 .unthrottle = ftdi_unthrottle,
728 .write_room = ftdi_write_room,
729 .chars_in_buffer = ftdi_chars_in_buffer,
730 .read_bulk_callback = ftdi_read_bulk_callback,
731 .write_bulk_callback = ftdi_write_bulk_callback,
732 .tiocmget = ftdi_tiocmget,
733 .tiocmset = ftdi_tiocmset,
735 .set_termios = ftdi_set_termios,
736 .break_ctl = ftdi_break_ctl,
737 .shutdown = ftdi_shutdown,
741 #define WDR_TIMEOUT 5000 /* default urb timeout */
742 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
744 /* High and low are for DTR, RTS etc etc */
748 /* number of outstanding urbs to prevent userspace DoS from happening */
749 #define URB_UPPER_LIMIT 42
752 * ***************************************************************************
754 * ***************************************************************************
757 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
759 unsigned short int divisor;
760 int divisor3 = base / 2 / baud; // divisor shifted 3 bits to the left
761 if ((divisor3 & 0x7) == 7) divisor3 ++; // round x.7/8 up to x+1
762 divisor = divisor3 >> 3;
764 if (divisor3 == 1) divisor |= 0xc000; else // 0.125
765 if (divisor3 >= 4) divisor |= 0x4000; else // 0.5
766 if (divisor3 != 0) divisor |= 0x8000; // 0.25
767 if (divisor == 1) divisor = 0; /* special case for maximum baud rate */
771 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
773 return(ftdi_232am_baud_base_to_divisor(baud, 48000000));
776 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
778 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
780 int divisor3 = base / 2 / baud; // divisor shifted 3 bits to the left
781 divisor = divisor3 >> 3;
782 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
783 /* Deal with special cases for highest baud rates. */
784 if (divisor == 1) divisor = 0; else // 1.0
785 if (divisor == 0x4001) divisor = 1; // 1.5
789 static __u32 ftdi_232bm_baud_to_divisor(int baud)
791 return(ftdi_232bm_baud_base_to_divisor(baud, 48000000));
794 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
795 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
797 static int update_mctrl(struct usb_serial_port *port, unsigned int set, unsigned int clear)
799 struct ftdi_private *priv = usb_get_serial_port_data(port);
804 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
805 dbg("%s - DTR|RTS not being set|cleared", __func__);
806 return 0; /* no change */
809 buf = kmalloc(1, GFP_NOIO);
813 clear &= ~set; /* 'set' takes precedence over 'clear' */
815 if (clear & TIOCM_DTR)
816 urb_value |= FTDI_SIO_SET_DTR_LOW;
817 if (clear & TIOCM_RTS)
818 urb_value |= FTDI_SIO_SET_RTS_LOW;
820 urb_value |= FTDI_SIO_SET_DTR_HIGH;
822 urb_value |= FTDI_SIO_SET_RTS_HIGH;
823 rv = usb_control_msg(port->serial->dev,
824 usb_sndctrlpipe(port->serial->dev, 0),
825 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
826 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
827 urb_value, priv->interface,
828 buf, 0, WDR_TIMEOUT);
832 err("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
834 (set & TIOCM_DTR) ? "HIGH" :
835 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
836 (set & TIOCM_RTS) ? "HIGH" :
837 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
839 dbg("%s - DTR %s, RTS %s", __func__,
840 (set & TIOCM_DTR) ? "HIGH" :
841 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
842 (set & TIOCM_RTS) ? "HIGH" :
843 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
844 /* FIXME: locking on last_dtr_rts */
845 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
851 static __u32 get_ftdi_divisor(struct usb_serial_port * port);
854 static int change_speed(struct usb_serial_port *port)
856 struct ftdi_private *priv = usb_get_serial_port_data(port);
860 __u32 urb_index_value;
863 buf = kmalloc(1, GFP_NOIO);
867 urb_index_value = get_ftdi_divisor(port);
868 urb_value = (__u16)urb_index_value;
869 urb_index = (__u16)(urb_index_value >> 16);
870 if (priv->interface) { /* FT2232C */
871 urb_index = (__u16)((urb_index << 8) | priv->interface);
874 rv = usb_control_msg(port->serial->dev,
875 usb_sndctrlpipe(port->serial->dev, 0),
876 FTDI_SIO_SET_BAUDRATE_REQUEST,
877 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
878 urb_value, urb_index,
879 buf, 0, WDR_SHORT_TIMEOUT);
886 static __u32 get_ftdi_divisor(struct usb_serial_port * port)
887 { /* get_ftdi_divisor */
888 struct ftdi_private *priv = usb_get_serial_port_data(port);
894 * The logic involved in setting the baudrate can be cleanly split in 3 steps.
895 * Obtaining the actual baud rate is a little tricky since unix traditionally
896 * somehow ignored the possibility to set non-standard baud rates.
897 * 1. Standard baud rates are set in tty->termios->c_cflag
898 * 2. If these are not enough, you can set any speed using alt_speed as follows:
899 * - set tty->termios->c_cflag speed to B38400
900 * - set your real speed in tty->alt_speed; it gets ignored when
902 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as follows:
903 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP], this just
904 * sets alt_speed to (HI: 57600, VHI: 115200, SHI: 230400, WARP: 460800)
905 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
906 * 3. You can also set baud rate by setting custom divisor as follows
907 * - set tty->termios->c_cflag speed to B38400
908 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as follows:
909 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
910 * o custom_divisor set to baud_base / your_new_baudrate
911 * ** Step 3 is done courtesy of code borrowed from serial.c - I should really
912 * spend some time and separate+move this common code to serial.c, it is
913 * replicated in nearly every serial driver you see.
916 /* 1. Get the baud rate from the tty settings, this observes alt_speed hack */
918 baud = tty_get_baud_rate(port->tty);
919 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
921 /* 2. Observe async-compatible custom_divisor hack, update baudrate if needed */
924 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
925 (priv->custom_divisor)) {
926 baud = priv->baud_base / priv->custom_divisor;
927 dbg("%s - custom divisor %d sets baud rate to %d", __func__, priv->custom_divisor, baud);
930 /* 3. Convert baudrate to device-specific divisor */
932 if (!baud) baud = 9600;
933 switch(priv->chip_type) {
934 case SIO: /* SIO chip */
936 case 300: div_value = ftdi_sio_b300; break;
937 case 600: div_value = ftdi_sio_b600; break;
938 case 1200: div_value = ftdi_sio_b1200; break;
939 case 2400: div_value = ftdi_sio_b2400; break;
940 case 4800: div_value = ftdi_sio_b4800; break;
941 case 9600: div_value = ftdi_sio_b9600; break;
942 case 19200: div_value = ftdi_sio_b19200; break;
943 case 38400: div_value = ftdi_sio_b38400; break;
944 case 57600: div_value = ftdi_sio_b57600; break;
945 case 115200: div_value = ftdi_sio_b115200; break;
947 if (div_value == 0) {
948 dbg("%s - Baudrate (%d) requested is not supported", __func__, baud);
949 div_value = ftdi_sio_b9600;
954 case FT8U232AM: /* 8U232AM chip */
955 if (baud <= 3000000) {
956 div_value = ftdi_232am_baud_to_divisor(baud);
958 dbg("%s - Baud rate too high!", __func__);
960 div_value = ftdi_232am_baud_to_divisor(9600);
964 case FT232BM: /* FT232BM chip */
965 case FT2232C: /* FT2232C chip */
967 if (baud <= 3000000) {
968 div_value = ftdi_232bm_baud_to_divisor(baud);
970 dbg("%s - Baud rate too high!", __func__);
971 div_value = ftdi_232bm_baud_to_divisor(9600);
976 } /* priv->chip_type */
979 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
980 __func__, baud, (unsigned long)div_value,
981 ftdi_chip_name[priv->chip_type]);
984 tty_encode_baud_rate(port->tty, baud, baud);
989 static int get_serial_info(struct usb_serial_port * port, struct serial_struct __user * retinfo)
991 struct ftdi_private *priv = usb_get_serial_port_data(port);
992 struct serial_struct tmp;
996 memset(&tmp, 0, sizeof(tmp));
997 tmp.flags = priv->flags;
998 tmp.baud_base = priv->baud_base;
999 tmp.custom_divisor = priv->custom_divisor;
1000 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1003 } /* get_serial_info */
1006 static int set_serial_info(struct usb_serial_port * port, struct serial_struct __user * newinfo)
1007 { /* set_serial_info */
1008 struct ftdi_private *priv = usb_get_serial_port_data(port);
1009 struct serial_struct new_serial;
1010 struct ftdi_private old_priv;
1012 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1016 /* Do error checking and permission checking */
1018 if (!capable(CAP_SYS_ADMIN)) {
1019 if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1020 (priv->flags & ~ASYNC_USR_MASK)))
1022 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1023 (new_serial.flags & ASYNC_USR_MASK));
1024 priv->custom_divisor = new_serial.custom_divisor;
1025 goto check_and_exit;
1028 if ((new_serial.baud_base != priv->baud_base) &&
1029 (new_serial.baud_base < 9600))
1032 /* Make the changes - these are privileged changes! */
1034 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1035 (new_serial.flags & ASYNC_FLAGS));
1036 priv->custom_divisor = new_serial.custom_divisor;
1038 port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
1041 if ((old_priv.flags & ASYNC_SPD_MASK) !=
1042 (priv->flags & ASYNC_SPD_MASK)) {
1043 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1044 port->tty->alt_speed = 57600;
1045 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1046 port->tty->alt_speed = 115200;
1047 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1048 port->tty->alt_speed = 230400;
1049 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1050 port->tty->alt_speed = 460800;
1052 port->tty->alt_speed = 0;
1054 if (((old_priv.flags & ASYNC_SPD_MASK) !=
1055 (priv->flags & ASYNC_SPD_MASK)) ||
1056 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1057 (old_priv.custom_divisor != priv->custom_divisor))) {
1063 } /* set_serial_info */
1066 /* Determine type of FTDI chip based on USB config and descriptor. */
1067 static void ftdi_determine_type(struct usb_serial_port *port)
1069 struct ftdi_private *priv = usb_get_serial_port_data(port);
1070 struct usb_serial *serial = port->serial;
1071 struct usb_device *udev = serial->dev;
1073 unsigned interfaces;
1075 /* Assume it is not the original SIO device for now. */
1076 priv->baud_base = 48000000 / 2;
1077 priv->write_offset = 0;
1079 version = le16_to_cpu(udev->descriptor.bcdDevice);
1080 interfaces = udev->actconfig->desc.bNumInterfaces;
1081 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1082 version, interfaces);
1083 if (interfaces > 1) {
1086 /* Multiple interfaces. Assume FT2232C. */
1087 priv->chip_type = FT2232C;
1088 /* Determine interface code. */
1089 inter = serial->interface->altsetting->desc.bInterfaceNumber;
1091 priv->interface = PIT_SIOA;
1093 priv->interface = PIT_SIOB;
1095 /* BM-type devices have a bug where bcdDevice gets set
1096 * to 0x200 when iSerialNumber is 0. */
1097 if (version < 0x500) {
1098 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1101 } else if (version < 0x200) {
1102 /* Old device. Assume its the original SIO. */
1103 priv->chip_type = SIO;
1104 priv->baud_base = 12000000 / 16;
1105 priv->write_offset = 1;
1106 } else if (version < 0x400) {
1107 /* Assume its an FT8U232AM (or FT8U245AM) */
1108 /* (It might be a BM because of the iSerialNumber bug,
1109 * but it will still work as an AM device.) */
1110 priv->chip_type = FT8U232AM;
1111 } else if (version < 0x600) {
1112 /* Assume its an FT232BM (or FT245BM) */
1113 priv->chip_type = FT232BM;
1115 /* Assume its an FT232R */
1116 priv->chip_type = FT232RL;
1118 info("Detected %s", ftdi_chip_name[priv->chip_type]);
1123 * ***************************************************************************
1125 * ***************************************************************************
1128 static ssize_t show_latency_timer(struct device *dev, struct device_attribute *attr, char *buf)
1130 struct usb_serial_port *port = to_usb_serial_port(dev);
1131 struct ftdi_private *priv = usb_get_serial_port_data(port);
1132 struct usb_device *udev = port->serial->dev;
1133 unsigned short latency = 0;
1139 rv = usb_control_msg(udev,
1140 usb_rcvctrlpipe(udev, 0),
1141 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1142 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1144 (char*) &latency, 1, WDR_TIMEOUT);
1147 dev_err(dev, "Unable to read latency timer: %i\n", rv);
1150 return sprintf(buf, "%i\n", latency);
1153 /* Write a new value of the latency timer, in units of milliseconds. */
1154 static ssize_t store_latency_timer(struct device *dev, struct device_attribute *attr, const char *valbuf,
1157 struct usb_serial_port *port = to_usb_serial_port(dev);
1158 struct ftdi_private *priv = usb_get_serial_port_data(port);
1159 struct usb_device *udev = port->serial->dev;
1161 int v = simple_strtoul(valbuf, NULL, 10);
1164 dbg("%s: setting latency timer = %i", __func__, v);
1166 rv = usb_control_msg(udev,
1167 usb_sndctrlpipe(udev, 0),
1168 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1169 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1171 buf, 0, WDR_TIMEOUT);
1174 dev_err(dev, "Unable to write latency timer: %i\n", rv);
1181 /* Write an event character directly to the FTDI register. The ASCII
1182 value is in the low 8 bits, with the enable bit in the 9th bit. */
1183 static ssize_t store_event_char(struct device *dev, struct device_attribute *attr, const char *valbuf,
1186 struct usb_serial_port *port = to_usb_serial_port(dev);
1187 struct ftdi_private *priv = usb_get_serial_port_data(port);
1188 struct usb_device *udev = port->serial->dev;
1190 int v = simple_strtoul(valbuf, NULL, 10);
1193 dbg("%s: setting event char = %i", __func__, v);
1195 rv = usb_control_msg(udev,
1196 usb_sndctrlpipe(udev, 0),
1197 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1198 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1200 buf, 0, WDR_TIMEOUT);
1203 dbg("Unable to write event character: %i", rv);
1210 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, store_latency_timer);
1211 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1213 static int create_sysfs_attrs(struct usb_serial_port *port)
1215 struct ftdi_private *priv = usb_get_serial_port_data(port);
1220 /* XXX I've no idea if the original SIO supports the event_char
1221 * sysfs parameter, so I'm playing it safe. */
1222 if (priv->chip_type != SIO) {
1223 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1224 retval = device_create_file(&port->dev, &dev_attr_event_char);
1226 (priv->chip_type == FT232BM ||
1227 priv->chip_type == FT2232C ||
1228 priv->chip_type == FT232RL)) {
1229 retval = device_create_file(&port->dev,
1230 &dev_attr_latency_timer);
1236 static void remove_sysfs_attrs(struct usb_serial_port *port)
1238 struct ftdi_private *priv = usb_get_serial_port_data(port);
1242 /* XXX see create_sysfs_attrs */
1243 if (priv->chip_type != SIO) {
1244 device_remove_file(&port->dev, &dev_attr_event_char);
1245 if (priv->chip_type == FT232BM ||
1246 priv->chip_type == FT2232C ||
1247 priv->chip_type == FT232RL) {
1248 device_remove_file(&port->dev, &dev_attr_latency_timer);
1255 * ***************************************************************************
1256 * FTDI driver specific functions
1257 * ***************************************************************************
1260 /* Probe function to check for special devices */
1261 static int ftdi_sio_probe (struct usb_serial *serial, const struct usb_device_id *id)
1263 struct ftdi_sio_quirk *quirk = (struct ftdi_sio_quirk *)id->driver_info;
1265 if (quirk && quirk->probe) {
1266 int ret = quirk->probe(serial);
1271 usb_set_serial_data(serial, (void *)id->driver_info);
1276 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1278 struct ftdi_private *priv;
1279 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1284 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1286 err("%s- kmalloc(%Zd) failed.", __func__, sizeof(struct ftdi_private));
1290 spin_lock_init(&priv->rx_lock);
1291 spin_lock_init(&priv->tx_lock);
1292 init_waitqueue_head(&priv->delta_msr_wait);
1293 /* This will push the characters through immediately rather
1294 than queue a task to deliver them */
1295 priv->flags = ASYNC_LOW_LATENCY;
1297 if (quirk && quirk->port_probe)
1298 quirk->port_probe(priv);
1300 /* Increase the size of read buffers */
1301 kfree(port->bulk_in_buffer);
1302 port->bulk_in_buffer = kmalloc (BUFSZ, GFP_KERNEL);
1303 if (!port->bulk_in_buffer) {
1307 if (port->read_urb) {
1308 port->read_urb->transfer_buffer = port->bulk_in_buffer;
1309 port->read_urb->transfer_buffer_length = BUFSZ;
1312 INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read);
1315 /* Free port's existing write urb and transfer buffer. */
1316 if (port->write_urb) {
1317 usb_free_urb (port->write_urb);
1318 port->write_urb = NULL;
1320 kfree(port->bulk_out_buffer);
1321 port->bulk_out_buffer = NULL;
1323 usb_set_serial_port_data(port, priv);
1325 ftdi_determine_type (port);
1326 create_sysfs_attrs(port);
1330 /* Setup for the USB-UIRT device, which requires hardwired
1331 * baudrate (38400 gets mapped to 312500) */
1332 /* Called from usbserial:serial_probe */
1333 static void ftdi_USB_UIRT_setup (struct ftdi_private *priv)
1337 priv->flags |= ASYNC_SPD_CUST;
1338 priv->custom_divisor = 77;
1339 priv->force_baud = 38400;
1340 } /* ftdi_USB_UIRT_setup */
1342 /* Setup for the HE-TIRA1 device, which requires hardwired
1343 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
1344 static void ftdi_HE_TIRA1_setup (struct ftdi_private *priv)
1348 priv->flags |= ASYNC_SPD_CUST;
1349 priv->custom_divisor = 240;
1350 priv->force_baud = 38400;
1351 priv->force_rtscts = 1;
1352 } /* ftdi_HE_TIRA1_setup */
1355 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1356 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1357 * userspace using openocd.
1359 static int ftdi_jtag_probe(struct usb_serial *serial)
1361 struct usb_device *udev = serial->dev;
1362 struct usb_interface *interface = serial->interface;
1366 if (interface == udev->actconfig->interface[0]) {
1367 info("Ignoring serial port reserved for JTAG");
1375 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1376 * We have to correct it if we want to read from it.
1378 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1380 struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1381 struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1383 if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1384 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1385 info("Fixing invalid wMaxPacketSize on read pipe");
1391 /* ftdi_shutdown is called from usbserial:usb_serial_disconnect
1392 * it is called when the usb device is disconnected
1394 * usbserial:usb_serial_disconnect
1395 * calls __serial_close for each open of the port
1396 * shutdown is called then (ie ftdi_shutdown)
1398 static void ftdi_shutdown (struct usb_serial *serial)
1400 dbg("%s", __func__);
1403 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1405 struct ftdi_private *priv = usb_get_serial_port_data(port);
1407 dbg("%s", __func__);
1409 remove_sysfs_attrs(port);
1411 /* all open ports are closed at this point
1412 * (by usbserial.c:__serial_close, which calls ftdi_close)
1416 usb_set_serial_port_data(port, NULL);
1423 static int ftdi_open (struct usb_serial_port *port, struct file *filp)
1425 struct usb_device *dev = port->serial->dev;
1426 struct ftdi_private *priv = usb_get_serial_port_data(port);
1427 unsigned long flags;
1430 char buf[1]; /* Needed for the usb_control_msg I think */
1432 dbg("%s", __func__);
1434 spin_lock_irqsave(&priv->tx_lock, flags);
1436 spin_unlock_irqrestore(&priv->tx_lock, flags);
1437 spin_lock_irqsave(&priv->rx_lock, flags);
1439 spin_unlock_irqrestore(&priv->rx_lock, flags);
1442 port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
1444 /* No error checking for this (will get errors later anyway) */
1445 /* See ftdi_sio.h for description of what is reset */
1446 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1447 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1449 priv->interface, buf, 0, WDR_TIMEOUT);
1451 /* Termios defaults are set by usb_serial_init. We don't change
1452 port->tty->termios - this would loose speed settings, etc.
1453 This is same behaviour as serial.c/rs_open() - Kuba */
1455 /* ftdi_set_termios will send usb control messages */
1457 ftdi_set_termios(port, port->tty->termios);
1459 /* FIXME: Flow control might be enabled, so it should be checked -
1460 we have no control of defaults! */
1461 /* Turn on RTS and DTR since we are not flow controlling by default */
1462 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1465 spin_lock_irqsave(&priv->rx_lock, flags);
1466 priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
1467 spin_unlock_irqrestore(&priv->rx_lock, flags);
1469 /* Start reading from the device */
1470 priv->rx_processed = 0;
1471 usb_fill_bulk_urb(port->read_urb, dev,
1472 usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress),
1473 port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
1474 ftdi_read_bulk_callback, port);
1475 result = usb_submit_urb(port->read_urb, GFP_KERNEL);
1477 err("%s - failed submitting read urb, error %d", __func__, result);
1486 * usbserial:__serial_close only calls ftdi_close if the point is open
1488 * This only gets called when it is the last close
1493 static void ftdi_close (struct usb_serial_port *port, struct file *filp)
1495 unsigned int c_cflag = port->tty->termios->c_cflag;
1496 struct ftdi_private *priv = usb_get_serial_port_data(port);
1499 dbg("%s", __func__);
1501 mutex_lock(&port->serial->disc_mutex);
1502 if (c_cflag & HUPCL && !port->serial->disconnected){
1503 /* Disable flow control */
1504 if (usb_control_msg(port->serial->dev,
1505 usb_sndctrlpipe(port->serial->dev, 0),
1506 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1507 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1508 0, priv->interface, buf, 0,
1510 err("error from flowcontrol urb");
1513 /* drop RTS and DTR */
1514 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1515 } /* Note change no line if hupcl is off */
1516 mutex_unlock(&port->serial->disc_mutex);
1518 /* cancel any scheduled reading */
1519 cancel_delayed_work(&priv->rx_work);
1520 flush_scheduled_work();
1522 /* shutdown our bulk read */
1523 usb_kill_urb(port->read_urb);
1528 /* The SIO requires the first byte to have:
1531 * B2..7 length of message excluding byte 0
1533 * The new devices do not require this byte
1535 static int ftdi_write (struct usb_serial_port *port,
1536 const unsigned char *buf, int count)
1538 struct ftdi_private *priv = usb_get_serial_port_data(port);
1540 unsigned char *buffer;
1541 int data_offset ; /* will be 1 for the SIO and 0 otherwise */
1544 unsigned long flags;
1546 dbg("%s port %d, %d bytes", __func__, port->number, count);
1549 dbg("write request of 0 bytes");
1552 spin_lock_irqsave(&priv->tx_lock, flags);
1553 if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
1554 spin_unlock_irqrestore(&priv->tx_lock, flags);
1555 dbg("%s - write limit hit\n", __func__);
1558 priv->tx_outstanding_urbs++;
1559 spin_unlock_irqrestore(&priv->tx_lock, flags);
1561 data_offset = priv->write_offset;
1562 dbg("data_offset set to %d",data_offset);
1564 /* Determine total transfer size */
1565 transfer_size = count;
1566 if (data_offset > 0) {
1567 /* Original sio needs control bytes too... */
1568 transfer_size += (data_offset *
1569 ((count + (PKTSZ - 1 - data_offset)) /
1570 (PKTSZ - data_offset)));
1573 buffer = kmalloc (transfer_size, GFP_ATOMIC);
1575 err("%s ran out of kernel memory for urb ...", __func__);
1577 goto error_no_buffer;
1580 urb = usb_alloc_urb(0, GFP_ATOMIC);
1582 err("%s - no more free urbs", __func__);
1588 if (data_offset > 0) {
1589 /* Original sio requires control byte at start of each packet. */
1590 int user_pktsz = PKTSZ - data_offset;
1592 unsigned char *first_byte = buffer;
1593 const unsigned char *current_position = buf;
1596 if (user_pktsz > todo) {
1599 /* Write the control byte at the front of the packet*/
1600 *first_byte = 1 | ((user_pktsz) << 2);
1601 /* Copy data for packet */
1602 memcpy (first_byte + data_offset,
1603 current_position, user_pktsz);
1604 first_byte += user_pktsz + data_offset;
1605 current_position += user_pktsz;
1609 /* No control byte required. */
1610 /* Copy in the data to send */
1611 memcpy (buffer, buf, count);
1614 usb_serial_debug_data(debug, &port->dev, __func__, transfer_size, buffer);
1616 /* fill the buffer and send it */
1617 usb_fill_bulk_urb(urb, port->serial->dev,
1618 usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress),
1619 buffer, transfer_size,
1620 ftdi_write_bulk_callback, port);
1622 status = usb_submit_urb(urb, GFP_ATOMIC);
1624 err("%s - failed submitting write urb, error %d", __func__, status);
1628 spin_lock_irqsave(&priv->tx_lock, flags);
1629 priv->tx_outstanding_bytes += count;
1630 priv->tx_bytes += count;
1631 spin_unlock_irqrestore(&priv->tx_lock, flags);
1634 /* we are done with this urb, so let the host driver
1635 * really free it when it is finished with it */
1638 dbg("%s write returning: %d", __func__, count);
1645 spin_lock_irqsave(&priv->tx_lock, flags);
1646 priv->tx_outstanding_urbs--;
1647 spin_unlock_irqrestore(&priv->tx_lock, flags);
1652 /* This function may get called when the device is closed */
1654 static void ftdi_write_bulk_callback (struct urb *urb)
1656 unsigned long flags;
1657 struct usb_serial_port *port = urb->context;
1658 struct ftdi_private *priv;
1659 int data_offset; /* will be 1 for the SIO and 0 otherwise */
1660 unsigned long countback;
1661 int status = urb->status;
1663 /* free up the transfer buffer, as usb_free_urb() does not do this */
1664 kfree (urb->transfer_buffer);
1666 dbg("%s - port %d", __func__, port->number);
1669 dbg("nonzero write bulk status received: %d", status);
1673 priv = usb_get_serial_port_data(port);
1675 dbg("%s - bad port private data pointer - exiting", __func__);
1678 /* account for transferred data */
1679 countback = urb->actual_length;
1680 data_offset = priv->write_offset;
1681 if (data_offset > 0) {
1682 /* Subtract the control bytes */
1683 countback -= (data_offset * DIV_ROUND_UP(countback, PKTSZ));
1685 spin_lock_irqsave(&priv->tx_lock, flags);
1686 --priv->tx_outstanding_urbs;
1687 priv->tx_outstanding_bytes -= countback;
1688 spin_unlock_irqrestore(&priv->tx_lock, flags);
1690 usb_serial_port_softint(port);
1691 } /* ftdi_write_bulk_callback */
1694 static int ftdi_write_room( struct usb_serial_port *port )
1696 struct ftdi_private *priv = usb_get_serial_port_data(port);
1698 unsigned long flags;
1700 dbg("%s - port %d", __func__, port->number);
1702 spin_lock_irqsave(&priv->tx_lock, flags);
1703 if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) {
1705 * We really can take anything the user throws at us
1706 * but let's pick a nice big number to tell the tty
1707 * layer that we have lots of free space
1713 spin_unlock_irqrestore(&priv->tx_lock, flags);
1715 } /* ftdi_write_room */
1718 static int ftdi_chars_in_buffer (struct usb_serial_port *port)
1719 { /* ftdi_chars_in_buffer */
1720 struct ftdi_private *priv = usb_get_serial_port_data(port);
1722 unsigned long flags;
1724 dbg("%s - port %d", __func__, port->number);
1726 spin_lock_irqsave(&priv->tx_lock, flags);
1727 buffered = (int)priv->tx_outstanding_bytes;
1728 spin_unlock_irqrestore(&priv->tx_lock, flags);
1730 err("%s outstanding tx bytes is negative!", __func__);
1734 } /* ftdi_chars_in_buffer */
1738 static void ftdi_read_bulk_callback (struct urb *urb)
1739 { /* ftdi_read_bulk_callback */
1740 struct usb_serial_port *port = urb->context;
1741 struct tty_struct *tty;
1742 struct ftdi_private *priv;
1743 unsigned long countread;
1744 unsigned long flags;
1745 int status = urb->status;
1747 if (urb->number_of_packets > 0) {
1748 err("%s transfer_buffer_length %d actual_length %d number of packets %d",__func__,
1749 urb->transfer_buffer_length, urb->actual_length, urb->number_of_packets );
1750 err("%s transfer_flags %x ", __func__,urb->transfer_flags );
1753 dbg("%s - port %d", __func__, port->number);
1755 if (port->open_count <= 0)
1760 dbg("%s - bad tty pointer - exiting",__func__);
1764 priv = usb_get_serial_port_data(port);
1766 dbg("%s - bad port private data pointer - exiting", __func__);
1770 if (urb != port->read_urb) {
1771 err("%s - Not my urb!", __func__);
1775 /* This will happen at close every time so it is a dbg not an err */
1776 dbg("(this is ok on close) nonzero read bulk status received: "
1781 /* count data bytes, but not status bytes */
1782 countread = urb->actual_length;
1783 countread -= 2 * DIV_ROUND_UP(countread, PKTSZ);
1784 spin_lock_irqsave(&priv->rx_lock, flags);
1785 priv->rx_bytes += countread;
1786 spin_unlock_irqrestore(&priv->rx_lock, flags);
1788 ftdi_process_read(&priv->rx_work.work);
1790 } /* ftdi_read_bulk_callback */
1793 static void ftdi_process_read (struct work_struct *work)
1794 { /* ftdi_process_read */
1795 struct ftdi_private *priv =
1796 container_of(work, struct ftdi_private, rx_work.work);
1797 struct usb_serial_port *port = priv->port;
1799 struct tty_struct *tty;
1801 unsigned char *data;
1807 unsigned long flags;
1809 dbg("%s - port %d", __func__, port->number);
1811 if (port->open_count <= 0)
1816 dbg("%s - bad tty pointer - exiting",__func__);
1820 priv = usb_get_serial_port_data(port);
1822 dbg("%s - bad port private data pointer - exiting", __func__);
1826 urb = port->read_urb;
1828 dbg("%s - bad read_urb pointer - exiting", __func__);
1832 data = urb->transfer_buffer;
1834 if (priv->rx_processed) {
1835 dbg("%s - already processed: %d bytes, %d remain", __func__,
1837 urb->actual_length - priv->rx_processed);
1839 /* The first two bytes of every read packet are status */
1840 if (urb->actual_length > 2) {
1841 usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data);
1843 dbg("Status only: %03oo %03oo",data[0],data[1]);
1848 /* TO DO -- check for hung up line and handle appropriately: */
1850 /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */
1851 /* if CD is dropped and the line is not CLOCAL then we should hangup */
1854 for (packet_offset = priv->rx_processed; packet_offset < urb->actual_length; packet_offset += PKTSZ) {
1857 /* Compare new line status to the old one, signal if different */
1858 /* N.B. packet may be processed more than once, but differences
1859 * are only processed once. */
1861 char new_status = data[packet_offset+0] & FTDI_STATUS_B0_MASK;
1862 if (new_status != priv->prev_status) {
1863 priv->diff_status |= new_status ^ priv->prev_status;
1864 wake_up_interruptible(&priv->delta_msr_wait);
1865 priv->prev_status = new_status;
1869 length = min(PKTSZ, urb->actual_length-packet_offset)-2;
1871 err("%s - bad packet length: %d", __func__, length+2);
1875 if (priv->rx_flags & THROTTLED) {
1876 dbg("%s - throttled", __func__);
1879 if (tty_buffer_request_room(tty, length) < length) {
1880 /* break out & wait for throttling/unthrottling to happen */
1881 dbg("%s - receive room low", __func__);
1885 /* Handle errors and break */
1886 error_flag = TTY_NORMAL;
1887 /* Although the device uses a bitmask and hence can have multiple */
1888 /* errors on a packet - the order here sets the priority the */
1889 /* error is returned to the tty layer */
1891 if ( data[packet_offset+1] & FTDI_RS_OE ) {
1892 error_flag = TTY_OVERRUN;
1893 dbg("OVERRRUN error");
1895 if ( data[packet_offset+1] & FTDI_RS_BI ) {
1896 error_flag = TTY_BREAK;
1897 dbg("BREAK received");
1899 if ( data[packet_offset+1] & FTDI_RS_PE ) {
1900 error_flag = TTY_PARITY;
1901 dbg("PARITY error");
1903 if ( data[packet_offset+1] & FTDI_RS_FE ) {
1904 error_flag = TTY_FRAME;
1905 dbg("FRAMING error");
1908 for (i = 2; i < length+2; i++) {
1909 /* Note that the error flag is duplicated for
1910 every character received since we don't know
1911 which character it applied to */
1912 tty_insert_flip_char(tty, data[packet_offset+i], error_flag);
1917 #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW
1918 /* if a parity error is detected you get status packets forever
1919 until a character is sent without a parity error.
1920 This doesn't work well since the application receives a never
1921 ending stream of bad data - even though new data hasn't been sent.
1922 Therefore I (bill) have taken this out.
1923 However - this might make sense for framing errors and so on
1924 so I am leaving the code in for now.
1927 if (error_flag != TTY_NORMAL){
1928 dbg("error_flag is not normal");
1929 /* In this case it is just status - if that is an error send a bad character */
1930 if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
1931 tty_flip_buffer_push(tty);
1933 tty_insert_flip_char(tty, 0xff, error_flag);
1938 } /* "for(packet_offset=0..." */
1942 tty_flip_buffer_push(tty);
1945 if (packet_offset < urb->actual_length) {
1946 /* not completely processed - record progress */
1947 priv->rx_processed = packet_offset;
1948 dbg("%s - incomplete, %d bytes processed, %d remain",
1949 __func__, packet_offset,
1950 urb->actual_length - packet_offset);
1951 /* check if we were throttled while processing */
1952 spin_lock_irqsave(&priv->rx_lock, flags);
1953 if (priv->rx_flags & THROTTLED) {
1954 priv->rx_flags |= ACTUALLY_THROTTLED;
1955 spin_unlock_irqrestore(&priv->rx_lock, flags);
1956 dbg("%s - deferring remainder until unthrottled",
1960 spin_unlock_irqrestore(&priv->rx_lock, flags);
1961 /* if the port is closed stop trying to read */
1962 if (port->open_count > 0){
1963 /* delay processing of remainder */
1964 schedule_delayed_work(&priv->rx_work, 1);
1966 dbg("%s - port is closed", __func__);
1971 /* urb is completely processed */
1972 priv->rx_processed = 0;
1974 /* if the port is closed stop trying to read */
1975 if (port->open_count > 0){
1976 /* Continue trying to always read */
1977 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
1978 usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress),
1979 port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
1980 ftdi_read_bulk_callback, port);
1982 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
1984 err("%s - failed resubmitting read urb, error %d", __func__, result);
1988 } /* ftdi_process_read */
1991 static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
1993 struct ftdi_private *priv = usb_get_serial_port_data(port);
1994 __u16 urb_value = 0;
1997 /* break_state = -1 to turn on break, and 0 to turn off break */
1998 /* see drivers/char/tty_io.c to see it used */
1999 /* last_set_data_urb_value NEVER has the break bit set in it */
2002 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2004 urb_value = priv->last_set_data_urb_value;
2008 if (usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0),
2009 FTDI_SIO_SET_DATA_REQUEST,
2010 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2011 urb_value , priv->interface,
2012 buf, 0, WDR_TIMEOUT) < 0) {
2013 err("%s FAILED to enable/disable break state (state was %d)", __func__,break_state);
2016 dbg("%s break state is %d - urb is %d", __func__,break_state, urb_value);
2021 /* old_termios contains the original termios settings and tty->termios contains
2022 * the new setting to be used
2023 * WARNING: set_termios calls this with old_termios in kernel space
2026 static void ftdi_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
2027 { /* ftdi_termios */
2028 struct usb_device *dev = port->serial->dev;
2029 struct ftdi_private *priv = usb_get_serial_port_data(port);
2030 struct ktermios *termios = port->tty->termios;
2031 unsigned int cflag = termios->c_cflag;
2032 __u16 urb_value; /* will hold the new flags */
2033 char buf[1]; /* Perhaps I should dynamically alloc this? */
2035 // Added for xon/xoff support
2036 unsigned int iflag = termios->c_iflag;
2037 unsigned char vstop;
2038 unsigned char vstart;
2040 dbg("%s", __func__);
2042 /* Force baud rate if this device requires it, unless it is set to B0. */
2043 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2044 dbg("%s: forcing baud rate for this device", __func__);
2045 tty_encode_baud_rate(port->tty, priv->force_baud,
2049 /* Force RTS-CTS if this device requires it. */
2050 if (priv->force_rtscts) {
2051 dbg("%s: forcing rtscts for this device", __func__);
2052 termios->c_cflag |= CRTSCTS;
2055 cflag = termios->c_cflag;
2057 /* FIXME -For this cut I don't care if the line is really changing or
2058 not - so just do the change regardless - should be able to
2059 compare old_termios and tty->termios */
2060 /* NOTE These routines can get interrupted by
2061 ftdi_sio_read_bulk_callback - need to examine what this
2062 means - don't see any problems yet */
2064 /* Set number of data bits, parity, stop bits */
2066 termios->c_cflag &= ~CMSPAR;
2069 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2070 FTDI_SIO_SET_DATA_STOP_BITS_1);
2071 urb_value |= (cflag & PARENB ?
2072 (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
2073 FTDI_SIO_SET_DATA_PARITY_EVEN) :
2074 FTDI_SIO_SET_DATA_PARITY_NONE);
2075 if (cflag & CSIZE) {
2076 switch (cflag & CSIZE) {
2077 case CS5: urb_value |= 5; dbg("Setting CS5"); break;
2078 case CS6: urb_value |= 6; dbg("Setting CS6"); break;
2079 case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2080 case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2082 err("CSIZE was set but not CS5-CS8");
2086 /* This is needed by the break command since it uses the same command - but is
2087 * or'ed with this value */
2088 priv->last_set_data_urb_value = urb_value;
2090 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2091 FTDI_SIO_SET_DATA_REQUEST,
2092 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2093 urb_value , priv->interface,
2094 buf, 0, WDR_SHORT_TIMEOUT) < 0) {
2095 err("%s FAILED to set databits/stopbits/parity", __func__);
2098 /* Now do the baudrate */
2099 if ((cflag & CBAUD) == B0 ) {
2100 /* Disable flow control */
2101 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2102 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2103 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2105 buf, 0, WDR_TIMEOUT) < 0) {
2106 err("%s error from disable flowcontrol urb", __func__);
2108 /* Drop RTS and DTR */
2109 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2111 /* set the baudrate determined before */
2112 if (change_speed(port)) {
2113 err("%s urb failed to set baudrate", __func__);
2115 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2116 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) {
2117 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2121 /* Set flow control */
2122 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2123 if (cflag & CRTSCTS) {
2124 dbg("%s Setting to CRTSCTS flow control", __func__);
2125 if (usb_control_msg(dev,
2126 usb_sndctrlpipe(dev, 0),
2127 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2128 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2129 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2130 buf, 0, WDR_TIMEOUT) < 0) {
2131 err("urb failed to set to rts/cts flow control");
2138 * Check the IXOFF status in the iflag component of the termios structure
2139 * if IXOFF is not set, the pre-xon/xoff code is executed.
2141 if (iflag & IXOFF) {
2142 dbg("%s request to enable xonxoff iflag=%04x",__func__,iflag);
2143 // Try to enable the XON/XOFF on the ftdi_sio
2144 // Set the vstart and vstop -- could have been done up above where
2145 // a lot of other dereferencing is done but that would be very
2146 // inefficient as vstart and vstop are not always needed
2147 vstart = termios->c_cc[VSTART];
2148 vstop = termios->c_cc[VSTOP];
2149 urb_value=(vstop << 8) | (vstart);
2151 if (usb_control_msg(dev,
2152 usb_sndctrlpipe(dev, 0),
2153 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2154 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2155 urb_value , (FTDI_SIO_XON_XOFF_HS
2157 buf, 0, WDR_TIMEOUT) < 0) {
2158 err("urb failed to set to xon/xoff flow control");
2161 /* else clause to only run if cfag ! CRTSCTS and iflag ! XOFF */
2162 /* CHECKME Assuming XON/XOFF handled by tty stack - not by device */
2163 dbg("%s Turning off hardware flow control", __func__);
2164 if (usb_control_msg(dev,
2165 usb_sndctrlpipe(dev, 0),
2166 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2167 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2169 buf, 0, WDR_TIMEOUT) < 0) {
2170 err("urb failed to clear flow control");
2176 } /* ftdi_termios */
2179 static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
2181 struct ftdi_private *priv = usb_get_serial_port_data(port);
2182 unsigned char buf[2];
2185 dbg("%s TIOCMGET", __func__);
2186 switch (priv->chip_type) {
2188 /* Request the status from the device */
2189 if ((ret = usb_control_msg(port->serial->dev,
2190 usb_rcvctrlpipe(port->serial->dev, 0),
2191 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2192 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2194 buf, 1, WDR_TIMEOUT)) < 0 ) {
2195 err("%s Could not get modem status of device - err: %d", __func__,
2204 /* the 8U232AM returns a two byte value (the sio is a 1 byte value) - in the same
2205 format as the data returned from the in point */
2206 if ((ret = usb_control_msg(port->serial->dev,
2207 usb_rcvctrlpipe(port->serial->dev, 0),
2208 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2209 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2211 buf, 2, WDR_TIMEOUT)) < 0 ) {
2212 err("%s Could not get modem status of device - err: %d", __func__,
2222 return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2223 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2224 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2225 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2229 static int ftdi_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear)
2231 dbg("%s TIOCMSET", __func__);
2232 return update_mctrl(port, set, clear);
2236 static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg)
2238 struct ftdi_private *priv = usb_get_serial_port_data(port);
2240 dbg("%s cmd 0x%04x", __func__, cmd);
2242 /* Based on code from acm.c and others */
2245 case TIOCGSERIAL: /* gets serial port data */
2246 return get_serial_info(port, (struct serial_struct __user *) arg);
2248 case TIOCSSERIAL: /* sets serial port data */
2249 return set_serial_info(port, (struct serial_struct __user *) arg);
2252 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2253 * - mask passed in arg for lines of interest
2254 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2255 * Caller should use TIOCGICOUNT to see which one it was.
2257 * This code is borrowed from linux/drivers/char/serial.c
2260 while (priv != NULL) {
2261 interruptible_sleep_on(&priv->delta_msr_wait);
2262 /* see if a signal did it */
2263 if (signal_pending(current))
2264 return -ERESTARTSYS;
2266 char diff = priv->diff_status;
2269 return -EIO; /* no change => error */
2272 /* Consume all events */
2273 priv->diff_status = 0;
2275 /* Return 0 if caller wanted to know about these bits */
2276 if ( ((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2277 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2278 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) ||
2279 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS)) ) {
2283 * Otherwise caller can't care less about what happened,
2284 * and so we continue to wait for more events.
2296 /* This is not necessarily an error - turns out the higher layers will do
2297 * some ioctls itself (see comment above)
2299 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2301 return(-ENOIOCTLCMD);
2305 static void ftdi_throttle (struct usb_serial_port *port)
2307 struct ftdi_private *priv = usb_get_serial_port_data(port);
2308 unsigned long flags;
2310 dbg("%s - port %d", __func__, port->number);
2312 spin_lock_irqsave(&priv->rx_lock, flags);
2313 priv->rx_flags |= THROTTLED;
2314 spin_unlock_irqrestore(&priv->rx_lock, flags);
2318 static void ftdi_unthrottle (struct usb_serial_port *port)
2320 struct ftdi_private *priv = usb_get_serial_port_data(port);
2321 int actually_throttled;
2322 unsigned long flags;
2324 dbg("%s - port %d", __func__, port->number);
2326 spin_lock_irqsave(&priv->rx_lock, flags);
2327 actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED;
2328 priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
2329 spin_unlock_irqrestore(&priv->rx_lock, flags);
2331 if (actually_throttled)
2332 schedule_delayed_work(&priv->rx_work, 0);
2335 static int __init ftdi_init (void)
2339 dbg("%s", __func__);
2340 if (vendor > 0 && product > 0) {
2341 /* Add user specified VID/PID to reserved element of table. */
2343 for (i = 0; id_table_combined[i].idVendor; i++)
2345 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2346 id_table_combined[i].idVendor = vendor;
2347 id_table_combined[i].idProduct = product;
2349 retval = usb_serial_register(&ftdi_sio_device);
2351 goto failed_sio_register;
2352 retval = usb_register(&ftdi_driver);
2354 goto failed_usb_register;
2356 info(DRIVER_VERSION ":" DRIVER_DESC);
2358 failed_usb_register:
2359 usb_serial_deregister(&ftdi_sio_device);
2360 failed_sio_register:
2365 static void __exit ftdi_exit (void)
2368 dbg("%s", __func__);
2370 usb_deregister (&ftdi_driver);
2371 usb_serial_deregister (&ftdi_sio_device);
2376 module_init(ftdi_init);
2377 module_exit(ftdi_exit);
2379 MODULE_AUTHOR( DRIVER_AUTHOR );
2380 MODULE_DESCRIPTION( DRIVER_DESC );
2381 MODULE_LICENSE("GPL");
2383 module_param(debug, bool, S_IRUGO | S_IWUSR);
2384 MODULE_PARM_DESC(debug, "Debug enabled or not");
2385 module_param(vendor, ushort, 0);
2386 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2387 __MODULE_STRING(FTDI_VID)")");
2388 module_param(product, ushort, 0);
2389 MODULE_PARM_DESC(vendor, "User specified product ID");