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
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
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>
51 #define DRIVER_VERSION "v1.5.0"
52 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>"
53 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
56 static __u16 vendor = FTDI_VID;
61 ftdi_chip_type_t chip_type;
62 /* type of device, either SIO or FT8U232AM */
63 int baud_base; /* baud base clock for divisor setting */
64 int custom_divisor; /* custom_divisor kludge, this is for
65 baud_base (different from what goes to the
67 __u16 last_set_data_urb_value ;
68 /* the last data state set - needed for doing
71 int write_offset; /* This is the offset in the usb data block to
72 * write the serial data - it varies between
75 int flags; /* some ASYNC_xxxx flags are supported */
76 unsigned long last_dtr_rts; /* saved modem control outputs */
77 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
78 char prev_status, diff_status; /* Used for TIOCMIWAIT */
79 __u8 rx_flags; /* receive state flags (throttling) */
80 spinlock_t rx_lock; /* spinlock for receive state */
81 struct delayed_work rx_work;
82 struct usb_serial_port *port;
84 unsigned long rx_bytes;
86 __u16 interface; /* FT2232C, FT2232H or FT4232H port interface
89 speed_t force_baud; /* if non-zero, force the baud rate to
91 int force_rtscts; /* if non-zero, force RTS-CTS to always
94 unsigned int latency; /* latency setting in use */
95 spinlock_t tx_lock; /* spinlock for transmit state */
96 unsigned long tx_bytes;
97 unsigned long tx_outstanding_bytes;
98 unsigned long tx_outstanding_urbs;
99 unsigned short max_packet_size;
102 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
103 struct ftdi_sio_quirk {
104 int (*probe)(struct usb_serial *);
105 /* Special settings for probed ports. */
106 void (*port_probe)(struct ftdi_private *);
109 static int ftdi_jtag_probe(struct usb_serial *serial);
110 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial);
111 static int ftdi_NDI_device_setup(struct usb_serial *serial);
112 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
113 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
115 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
116 .probe = ftdi_jtag_probe,
119 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
120 .probe = ftdi_mtxorb_hack_setup,
123 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
124 .probe = ftdi_NDI_device_setup,
127 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
128 .port_probe = ftdi_USB_UIRT_setup,
131 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
132 .port_probe = ftdi_HE_TIRA1_setup,
136 * The 8U232AM has the same API as the sio except for:
137 * - it can support MUCH higher baudrates; up to:
138 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
140 * so .. 8U232AM's baudrate setting codes are different
141 * - it has a two byte status code.
142 * - it returns characters every 16ms (the FTDI does it every 40ms)
144 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
145 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
146 * combinations in both tables.
147 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
148 * but I don't know if those ever went into mass production. [Ian Abbott]
153 static struct usb_device_id id_table_combined [] = {
154 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
155 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
156 { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
157 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
158 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
159 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
160 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
161 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
162 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
163 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
164 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
165 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
166 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
167 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
168 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
169 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
170 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
173 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
174 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
175 { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
176 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
177 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
178 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
179 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
180 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
181 { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
182 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
183 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
184 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
185 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
186 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
187 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
188 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
189 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
190 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
191 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
192 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
193 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
194 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
195 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
196 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
197 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
198 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
199 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
200 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
201 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
202 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
203 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
204 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
205 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
206 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
207 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
208 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
209 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
210 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
211 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
212 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
213 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
214 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
215 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
216 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
217 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
218 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
219 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
220 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
221 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
222 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
227 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
233 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
239 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
241 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
242 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
244 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
245 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
247 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
248 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
250 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
254 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
273 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
275 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
277 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
279 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
281 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
283 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
285 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
287 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
288 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
289 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
290 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
291 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
292 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
293 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
294 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
295 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
296 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
297 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
298 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
300 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
302 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
304 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
451 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
452 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
453 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
454 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
455 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
456 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
457 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
458 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
459 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
460 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
461 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
462 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
463 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
464 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
465 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
466 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
467 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
468 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
469 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
470 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
471 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
472 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
473 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
474 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
475 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
492 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
493 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
494 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
495 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
496 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
497 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
498 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
499 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
500 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
501 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
502 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
503 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
504 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
505 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
506 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
507 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
508 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
509 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
510 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
511 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
512 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
513 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
514 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
515 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
516 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
517 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
518 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
519 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
520 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
521 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
522 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
523 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
524 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
525 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
526 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
527 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
528 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
529 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
530 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
531 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
532 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
533 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
534 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
535 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
536 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
537 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
538 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
539 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
540 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
541 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
542 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
543 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
544 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
545 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
546 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
547 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
548 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
549 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
550 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
551 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
552 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
553 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
554 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
555 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
557 * Due to many user requests for multiple ELV devices we enable
560 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
561 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
562 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
563 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
564 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
565 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
566 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
567 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
568 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
569 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
570 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
571 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
572 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
573 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
574 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
575 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
576 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
577 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
578 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
579 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
580 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
581 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
582 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
583 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
584 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
585 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
586 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
587 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
588 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
589 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
590 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
591 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
592 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
593 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
594 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
595 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
596 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
597 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
598 { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
599 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
600 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
601 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
602 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
603 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
604 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
605 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
606 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
607 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
608 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
609 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
610 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
611 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
612 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
613 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
614 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
615 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
616 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
617 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
618 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
619 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
620 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
621 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
622 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
623 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
624 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
625 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
626 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
627 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
628 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
629 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
630 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
631 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
632 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
633 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
634 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
635 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
636 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
637 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
638 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
639 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
640 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
641 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
642 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
643 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
644 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
645 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
646 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
647 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
648 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
649 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
650 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
651 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
652 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
653 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
654 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
655 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
656 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
657 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
658 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
659 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
660 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
661 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
662 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
663 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
664 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
665 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
666 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
667 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
668 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
669 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
670 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
671 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
672 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
673 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
674 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
675 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
676 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
677 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
678 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
679 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
680 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
681 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
682 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
683 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
684 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
685 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
686 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
687 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
688 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
689 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
690 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
691 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
692 { USB_DEVICE(ATMEL_VID, STK541_PID) },
693 { USB_DEVICE(DE_VID, STB_PID) },
694 { USB_DEVICE(DE_VID, WHT_PID) },
695 { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
696 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
697 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
698 { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
699 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
700 { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
701 { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
702 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
703 { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
704 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
705 { }, /* Optional parameter entry */
706 { } /* Terminating entry */
709 MODULE_DEVICE_TABLE(usb, id_table_combined);
711 static struct usb_driver ftdi_driver = {
713 .probe = usb_serial_probe,
714 .disconnect = usb_serial_disconnect,
715 .id_table = id_table_combined,
719 static const char *ftdi_chip_name[] = {
720 [SIO] = "SIO", /* the serial part of FT8U100AX */
721 [FT8U232AM] = "FT8U232AM",
722 [FT232BM] = "FT232BM",
723 [FT2232C] = "FT2232C",
724 [FT232RL] = "FT232RL",
725 [FT2232H] = "FT2232H",
726 [FT4232H] = "FT4232H"
730 /* Constants for read urb and write urb */
734 #define THROTTLED 0x01
735 #define ACTUALLY_THROTTLED 0x02
737 /* Used for TIOCMIWAIT */
738 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
739 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
742 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
743 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
745 /* function prototypes for a FTDI serial converter */
746 static int ftdi_sio_probe(struct usb_serial *serial,
747 const struct usb_device_id *id);
748 static int ftdi_sio_port_probe(struct usb_serial_port *port);
749 static int ftdi_sio_port_remove(struct usb_serial_port *port);
750 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
751 static void ftdi_close(struct usb_serial_port *port);
752 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
753 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
754 const unsigned char *buf, int count);
755 static int ftdi_write_room(struct tty_struct *tty);
756 static int ftdi_chars_in_buffer(struct tty_struct *tty);
757 static void ftdi_write_bulk_callback(struct urb *urb);
758 static void ftdi_read_bulk_callback(struct urb *urb);
759 static void ftdi_process_read(struct work_struct *work);
760 static void ftdi_set_termios(struct tty_struct *tty,
761 struct usb_serial_port *port, struct ktermios *old);
762 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file);
763 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
764 unsigned int set, unsigned int clear);
765 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
766 unsigned int cmd, unsigned long arg);
767 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
768 static void ftdi_throttle(struct tty_struct *tty);
769 static void ftdi_unthrottle(struct tty_struct *tty);
771 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
772 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
773 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
774 static __u32 ftdi_232bm_baud_to_divisor(int baud);
775 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
776 static __u32 ftdi_2232h_baud_to_divisor(int baud);
778 static struct usb_serial_driver ftdi_sio_device = {
780 .owner = THIS_MODULE,
783 .description = "FTDI USB Serial Device",
784 .usb_driver = &ftdi_driver ,
785 .id_table = id_table_combined,
787 .probe = ftdi_sio_probe,
788 .port_probe = ftdi_sio_port_probe,
789 .port_remove = ftdi_sio_port_remove,
792 .dtr_rts = ftdi_dtr_rts,
793 .throttle = ftdi_throttle,
794 .unthrottle = ftdi_unthrottle,
796 .write_room = ftdi_write_room,
797 .chars_in_buffer = ftdi_chars_in_buffer,
798 .read_bulk_callback = ftdi_read_bulk_callback,
799 .write_bulk_callback = ftdi_write_bulk_callback,
800 .tiocmget = ftdi_tiocmget,
801 .tiocmset = ftdi_tiocmset,
803 .set_termios = ftdi_set_termios,
804 .break_ctl = ftdi_break_ctl,
808 #define WDR_TIMEOUT 5000 /* default urb timeout */
809 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
811 /* High and low are for DTR, RTS etc etc */
815 /* number of outstanding urbs to prevent userspace DoS from happening */
816 #define URB_UPPER_LIMIT 42
819 * ***************************************************************************
821 * ***************************************************************************
824 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
826 unsigned short int divisor;
827 /* divisor shifted 3 bits to the left */
828 int divisor3 = base / 2 / baud;
829 if ((divisor3 & 0x7) == 7)
830 divisor3++; /* round x.7/8 up to x+1 */
831 divisor = divisor3 >> 3;
835 else if (divisor3 >= 4)
837 else if (divisor3 != 0)
839 else if (divisor == 1)
840 divisor = 0; /* special case for maximum baud rate */
844 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
846 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
849 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
851 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
853 /* divisor shifted 3 bits to the left */
854 int divisor3 = base / 2 / baud;
855 divisor = divisor3 >> 3;
856 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
857 /* Deal with special cases for highest baud rates. */
860 else if (divisor == 0x4001)
865 static __u32 ftdi_232bm_baud_to_divisor(int baud)
867 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
870 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
872 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
876 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
877 divisor3 = (base / 10 / baud) * 8;
879 divisor = divisor3 >> 3;
880 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
881 /* Deal with special cases for highest baud rates. */
884 else if (divisor == 0x4001)
887 * Set this bit to turn off a divide by 2.5 on baud rate generator
888 * This enables baud rates up to 12Mbaud but cannot reach below 1200
889 * baud with this bit set
891 divisor |= 0x00020000;
895 static __u32 ftdi_2232h_baud_to_divisor(int baud)
897 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
900 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
901 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
903 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
906 struct ftdi_private *priv = usb_get_serial_port_data(port);
911 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
912 dbg("%s - DTR|RTS not being set|cleared", __func__);
913 return 0; /* no change */
916 buf = kmalloc(1, GFP_NOIO);
920 clear &= ~set; /* 'set' takes precedence over 'clear' */
922 if (clear & TIOCM_DTR)
923 urb_value |= FTDI_SIO_SET_DTR_LOW;
924 if (clear & TIOCM_RTS)
925 urb_value |= FTDI_SIO_SET_RTS_LOW;
927 urb_value |= FTDI_SIO_SET_DTR_HIGH;
929 urb_value |= FTDI_SIO_SET_RTS_HIGH;
930 rv = usb_control_msg(port->serial->dev,
931 usb_sndctrlpipe(port->serial->dev, 0),
932 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
933 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
934 urb_value, priv->interface,
935 buf, 0, WDR_TIMEOUT);
939 dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
941 (set & TIOCM_DTR) ? "HIGH" :
942 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
943 (set & TIOCM_RTS) ? "HIGH" :
944 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
946 dbg("%s - DTR %s, RTS %s", __func__,
947 (set & TIOCM_DTR) ? "HIGH" :
948 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
949 (set & TIOCM_RTS) ? "HIGH" :
950 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
951 /* FIXME: locking on last_dtr_rts */
952 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
958 static __u32 get_ftdi_divisor(struct tty_struct *tty,
959 struct usb_serial_port *port)
960 { /* get_ftdi_divisor */
961 struct ftdi_private *priv = usb_get_serial_port_data(port);
967 * The logic involved in setting the baudrate can be cleanly split into
969 * 1. Standard baud rates are set in tty->termios->c_cflag
970 * 2. If these are not enough, you can set any speed using alt_speed as
972 * - set tty->termios->c_cflag speed to B38400
973 * - set your real speed in tty->alt_speed; it gets ignored when
975 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
977 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
978 * this just sets alt_speed to (HI: 57600, VHI: 115200,
979 * SHI: 230400, WARP: 460800)
980 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
981 * 3. You can also set baud rate by setting custom divisor as follows
982 * - set tty->termios->c_cflag speed to B38400
983 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
985 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
986 * o custom_divisor set to baud_base / your_new_baudrate
987 * ** Step 3 is done courtesy of code borrowed from serial.c
988 * I should really spend some time and separate + move this common
989 * code to serial.c, it is replicated in nearly every serial driver
993 /* 1. Get the baud rate from the tty settings, this observes
996 baud = tty_get_baud_rate(tty);
997 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
999 /* 2. Observe async-compatible custom_divisor hack, update baudrate
1002 if (baud == 38400 &&
1003 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1004 (priv->custom_divisor)) {
1005 baud = priv->baud_base / priv->custom_divisor;
1006 dbg("%s - custom divisor %d sets baud rate to %d",
1007 __func__, priv->custom_divisor, baud);
1010 /* 3. Convert baudrate to device-specific divisor */
1014 switch (priv->chip_type) {
1015 case SIO: /* SIO chip */
1017 case 300: div_value = ftdi_sio_b300; break;
1018 case 600: div_value = ftdi_sio_b600; break;
1019 case 1200: div_value = ftdi_sio_b1200; break;
1020 case 2400: div_value = ftdi_sio_b2400; break;
1021 case 4800: div_value = ftdi_sio_b4800; break;
1022 case 9600: div_value = ftdi_sio_b9600; break;
1023 case 19200: div_value = ftdi_sio_b19200; break;
1024 case 38400: div_value = ftdi_sio_b38400; break;
1025 case 57600: div_value = ftdi_sio_b57600; break;
1026 case 115200: div_value = ftdi_sio_b115200; break;
1028 if (div_value == 0) {
1029 dbg("%s - Baudrate (%d) requested is not supported",
1031 div_value = ftdi_sio_b9600;
1036 case FT8U232AM: /* 8U232AM chip */
1037 if (baud <= 3000000) {
1038 div_value = ftdi_232am_baud_to_divisor(baud);
1040 dbg("%s - Baud rate too high!", __func__);
1042 div_value = ftdi_232am_baud_to_divisor(9600);
1046 case FT232BM: /* FT232BM chip */
1047 case FT2232C: /* FT2232C chip */
1049 if (baud <= 3000000) {
1050 __u16 product_id = le16_to_cpu(
1051 port->serial->dev->descriptor.idProduct);
1052 if (((FTDI_NDI_HUC_PID == product_id) ||
1053 (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1054 (FTDI_NDI_FUTURE_2_PID == product_id) ||
1055 (FTDI_NDI_FUTURE_3_PID == product_id) ||
1056 (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1060 div_value = ftdi_232bm_baud_to_divisor(baud);
1062 dbg("%s - Baud rate too high!", __func__);
1063 div_value = ftdi_232bm_baud_to_divisor(9600);
1068 case FT2232H: /* FT2232H chip */
1069 case FT4232H: /* FT4232H chip */
1070 if ((baud <= 12000000) & (baud >= 1200)) {
1071 div_value = ftdi_2232h_baud_to_divisor(baud);
1072 } else if (baud < 1200) {
1073 div_value = ftdi_232bm_baud_to_divisor(baud);
1075 dbg("%s - Baud rate too high!", __func__);
1076 div_value = ftdi_232bm_baud_to_divisor(9600);
1081 } /* priv->chip_type */
1084 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1085 __func__, baud, (unsigned long)div_value,
1086 ftdi_chip_name[priv->chip_type]);
1089 tty_encode_baud_rate(tty, baud, baud);
1093 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1095 struct ftdi_private *priv = usb_get_serial_port_data(port);
1099 __u32 urb_index_value;
1102 buf = kmalloc(1, GFP_NOIO);
1106 urb_index_value = get_ftdi_divisor(tty, port);
1107 urb_value = (__u16)urb_index_value;
1108 urb_index = (__u16)(urb_index_value >> 16);
1109 if (priv->interface) { /* FT2232C */
1110 urb_index = (__u16)((urb_index << 8) | priv->interface);
1113 rv = usb_control_msg(port->serial->dev,
1114 usb_sndctrlpipe(port->serial->dev, 0),
1115 FTDI_SIO_SET_BAUDRATE_REQUEST,
1116 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1117 urb_value, urb_index,
1118 buf, 0, WDR_SHORT_TIMEOUT);
1124 static int write_latency_timer(struct usb_serial_port *port)
1126 struct ftdi_private *priv = usb_get_serial_port_data(port);
1127 struct usb_device *udev = port->serial->dev;
1130 int l = priv->latency;
1132 if (priv->flags & ASYNC_LOW_LATENCY)
1135 dbg("%s: setting latency timer = %i", __func__, l);
1137 rv = usb_control_msg(udev,
1138 usb_sndctrlpipe(udev, 0),
1139 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1140 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1142 buf, 0, WDR_TIMEOUT);
1145 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1149 static int read_latency_timer(struct usb_serial_port *port)
1151 struct ftdi_private *priv = usb_get_serial_port_data(port);
1152 struct usb_device *udev = port->serial->dev;
1153 unsigned short latency = 0;
1157 dbg("%s", __func__);
1159 rv = usb_control_msg(udev,
1160 usb_rcvctrlpipe(udev, 0),
1161 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1162 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1164 (char *) &latency, 1, WDR_TIMEOUT);
1167 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1173 static int get_serial_info(struct usb_serial_port *port,
1174 struct serial_struct __user *retinfo)
1176 struct ftdi_private *priv = usb_get_serial_port_data(port);
1177 struct serial_struct tmp;
1181 memset(&tmp, 0, sizeof(tmp));
1182 tmp.flags = priv->flags;
1183 tmp.baud_base = priv->baud_base;
1184 tmp.custom_divisor = priv->custom_divisor;
1185 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1188 } /* get_serial_info */
1191 static int set_serial_info(struct tty_struct *tty,
1192 struct usb_serial_port *port, struct serial_struct __user *newinfo)
1193 { /* set_serial_info */
1194 struct ftdi_private *priv = usb_get_serial_port_data(port);
1195 struct serial_struct new_serial;
1196 struct ftdi_private old_priv;
1198 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1204 /* Do error checking and permission checking */
1206 if (!capable(CAP_SYS_ADMIN)) {
1207 if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1208 (priv->flags & ~ASYNC_USR_MASK))) {
1212 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1213 (new_serial.flags & ASYNC_USR_MASK));
1214 priv->custom_divisor = new_serial.custom_divisor;
1215 goto check_and_exit;
1218 if ((new_serial.baud_base != priv->baud_base) &&
1219 (new_serial.baud_base < 9600)) {
1224 /* Make the changes - these are privileged changes! */
1226 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1227 (new_serial.flags & ASYNC_FLAGS));
1228 priv->custom_divisor = new_serial.custom_divisor;
1230 tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
1231 write_latency_timer(port);
1234 if ((old_priv.flags & ASYNC_SPD_MASK) !=
1235 (priv->flags & ASYNC_SPD_MASK)) {
1236 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1237 tty->alt_speed = 57600;
1238 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1239 tty->alt_speed = 115200;
1240 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1241 tty->alt_speed = 230400;
1242 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1243 tty->alt_speed = 460800;
1247 if (((old_priv.flags & ASYNC_SPD_MASK) !=
1248 (priv->flags & ASYNC_SPD_MASK)) ||
1249 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1250 (old_priv.custom_divisor != priv->custom_divisor))) {
1252 change_speed(tty, port);
1258 } /* set_serial_info */
1261 /* Determine type of FTDI chip based on USB config and descriptor. */
1262 static void ftdi_determine_type(struct usb_serial_port *port)
1264 struct ftdi_private *priv = usb_get_serial_port_data(port);
1265 struct usb_serial *serial = port->serial;
1266 struct usb_device *udev = serial->dev;
1268 unsigned interfaces;
1270 /* Assume it is not the original SIO device for now. */
1271 priv->baud_base = 48000000 / 2;
1272 priv->write_offset = 0;
1274 version = le16_to_cpu(udev->descriptor.bcdDevice);
1275 interfaces = udev->actconfig->desc.bNumInterfaces;
1276 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1277 version, interfaces);
1278 if (interfaces > 1) {
1281 /* Multiple interfaces.*/
1282 if (version == 0x0800) {
1283 priv->chip_type = FT4232H;
1284 /* Hi-speed - baud clock runs at 120MHz */
1285 priv->baud_base = 120000000 / 2;
1286 } else if (version == 0x0700) {
1287 priv->chip_type = FT2232H;
1288 /* Hi-speed - baud clock runs at 120MHz */
1289 priv->baud_base = 120000000 / 2;
1291 priv->chip_type = FT2232C;
1293 /* Determine interface code. */
1294 inter = serial->interface->altsetting->desc.bInterfaceNumber;
1296 priv->interface = INTERFACE_A;
1297 } else if (inter == 1) {
1298 priv->interface = INTERFACE_B;
1299 } else if (inter == 2) {
1300 priv->interface = INTERFACE_C;
1301 } else if (inter == 3) {
1302 priv->interface = INTERFACE_D;
1304 /* BM-type devices have a bug where bcdDevice gets set
1305 * to 0x200 when iSerialNumber is 0. */
1306 if (version < 0x500) {
1307 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1310 } else if (version < 0x200) {
1311 /* Old device. Assume its the original SIO. */
1312 priv->chip_type = SIO;
1313 priv->baud_base = 12000000 / 16;
1314 priv->write_offset = 1;
1315 } else if (version < 0x400) {
1316 /* Assume its an FT8U232AM (or FT8U245AM) */
1317 /* (It might be a BM because of the iSerialNumber bug,
1318 * but it will still work as an AM device.) */
1319 priv->chip_type = FT8U232AM;
1320 } else if (version < 0x600) {
1321 /* Assume its an FT232BM (or FT245BM) */
1322 priv->chip_type = FT232BM;
1324 /* Assume its an FT232R */
1325 priv->chip_type = FT232RL;
1327 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1331 /* Determine the maximum packet size for the device. This depends on the chip
1332 * type and the USB host capabilities. The value should be obtained from the
1333 * device descriptor as the chip will use the appropriate values for the host.*/
1334 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1336 struct ftdi_private *priv = usb_get_serial_port_data(port);
1337 struct usb_serial *serial = port->serial;
1338 struct usb_device *udev = serial->dev;
1340 struct usb_interface *interface = serial->interface;
1341 struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1343 unsigned num_endpoints;
1346 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1347 dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1349 /* NOTE: some customers have programmed FT232R/FT245R devices
1350 * with an endpoint size of 0 - not good. In this case, we
1351 * want to override the endpoint descriptor setting and use a
1352 * value of 64 for wMaxPacketSize */
1353 for (i = 0; i < num_endpoints; i++) {
1354 dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1355 interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1356 ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1357 if (ep_desc->wMaxPacketSize == 0) {
1358 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1359 dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1363 /* set max packet size based on descriptor */
1364 priv->max_packet_size = ep_desc->wMaxPacketSize;
1366 dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1371 * ***************************************************************************
1373 * ***************************************************************************
1376 static ssize_t show_latency_timer(struct device *dev,
1377 struct device_attribute *attr, char *buf)
1379 struct usb_serial_port *port = to_usb_serial_port(dev);
1380 struct ftdi_private *priv = usb_get_serial_port_data(port);
1381 if (priv->flags & ASYNC_LOW_LATENCY)
1382 return sprintf(buf, "1\n");
1384 return sprintf(buf, "%i\n", priv->latency);
1388 /* Write a new value of the latency timer, in units of milliseconds. */
1389 static ssize_t store_latency_timer(struct device *dev,
1390 struct device_attribute *attr, const char *valbuf,
1393 struct usb_serial_port *port = to_usb_serial_port(dev);
1394 struct ftdi_private *priv = usb_get_serial_port_data(port);
1395 int v = simple_strtoul(valbuf, NULL, 10);
1399 rv = write_latency_timer(port);
1405 /* Write an event character directly to the FTDI register. The ASCII
1406 value is in the low 8 bits, with the enable bit in the 9th bit. */
1407 static ssize_t store_event_char(struct device *dev,
1408 struct device_attribute *attr, const char *valbuf, size_t count)
1410 struct usb_serial_port *port = to_usb_serial_port(dev);
1411 struct ftdi_private *priv = usb_get_serial_port_data(port);
1412 struct usb_device *udev = port->serial->dev;
1414 int v = simple_strtoul(valbuf, NULL, 10);
1417 dbg("%s: setting event char = %i", __func__, v);
1419 rv = usb_control_msg(udev,
1420 usb_sndctrlpipe(udev, 0),
1421 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1422 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1424 buf, 0, WDR_TIMEOUT);
1427 dbg("Unable to write event character: %i", rv);
1434 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1435 store_latency_timer);
1436 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1438 static int create_sysfs_attrs(struct usb_serial_port *port)
1440 struct ftdi_private *priv = usb_get_serial_port_data(port);
1443 dbg("%s", __func__);
1445 /* XXX I've no idea if the original SIO supports the event_char
1446 * sysfs parameter, so I'm playing it safe. */
1447 if (priv->chip_type != SIO) {
1448 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1449 retval = device_create_file(&port->dev, &dev_attr_event_char);
1451 (priv->chip_type == FT232BM ||
1452 priv->chip_type == FT2232C ||
1453 priv->chip_type == FT232RL ||
1454 priv->chip_type == FT2232H ||
1455 priv->chip_type == FT4232H)) {
1456 retval = device_create_file(&port->dev,
1457 &dev_attr_latency_timer);
1463 static void remove_sysfs_attrs(struct usb_serial_port *port)
1465 struct ftdi_private *priv = usb_get_serial_port_data(port);
1467 dbg("%s", __func__);
1469 /* XXX see create_sysfs_attrs */
1470 if (priv->chip_type != SIO) {
1471 device_remove_file(&port->dev, &dev_attr_event_char);
1472 if (priv->chip_type == FT232BM ||
1473 priv->chip_type == FT2232C ||
1474 priv->chip_type == FT232RL ||
1475 priv->chip_type == FT2232H ||
1476 priv->chip_type == FT4232H) {
1477 device_remove_file(&port->dev, &dev_attr_latency_timer);
1484 * ***************************************************************************
1485 * FTDI driver specific functions
1486 * ***************************************************************************
1489 /* Probe function to check for special devices */
1490 static int ftdi_sio_probe(struct usb_serial *serial,
1491 const struct usb_device_id *id)
1493 struct ftdi_sio_quirk *quirk =
1494 (struct ftdi_sio_quirk *)id->driver_info;
1496 if (quirk && quirk->probe) {
1497 int ret = quirk->probe(serial);
1502 usb_set_serial_data(serial, (void *)id->driver_info);
1507 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1509 struct ftdi_private *priv;
1510 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1513 dbg("%s", __func__);
1515 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1517 dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1518 sizeof(struct ftdi_private));
1522 kref_init(&priv->kref);
1523 spin_lock_init(&priv->rx_lock);
1524 spin_lock_init(&priv->tx_lock);
1525 init_waitqueue_head(&priv->delta_msr_wait);
1526 /* This will push the characters through immediately rather
1527 than queue a task to deliver them */
1528 priv->flags = ASYNC_LOW_LATENCY;
1530 if (quirk && quirk->port_probe)
1531 quirk->port_probe(priv);
1533 /* Increase the size of read buffers */
1534 kfree(port->bulk_in_buffer);
1535 port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL);
1536 if (!port->bulk_in_buffer) {
1540 if (port->read_urb) {
1541 port->read_urb->transfer_buffer = port->bulk_in_buffer;
1542 port->read_urb->transfer_buffer_length = BUFSZ;
1545 INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read);
1548 /* Free port's existing write urb and transfer buffer. */
1549 if (port->write_urb) {
1550 usb_free_urb(port->write_urb);
1551 port->write_urb = NULL;
1553 kfree(port->bulk_out_buffer);
1554 port->bulk_out_buffer = NULL;
1556 usb_set_serial_port_data(port, priv);
1558 ftdi_determine_type(port);
1559 ftdi_set_max_packet_size(port);
1560 read_latency_timer(port);
1561 create_sysfs_attrs(port);
1565 /* Setup for the USB-UIRT device, which requires hardwired
1566 * baudrate (38400 gets mapped to 312500) */
1567 /* Called from usbserial:serial_probe */
1568 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1570 dbg("%s", __func__);
1572 priv->flags |= ASYNC_SPD_CUST;
1573 priv->custom_divisor = 77;
1574 priv->force_baud = 38400;
1575 } /* ftdi_USB_UIRT_setup */
1577 /* Setup for the HE-TIRA1 device, which requires hardwired
1578 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
1580 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1582 dbg("%s", __func__);
1584 priv->flags |= ASYNC_SPD_CUST;
1585 priv->custom_divisor = 240;
1586 priv->force_baud = 38400;
1587 priv->force_rtscts = 1;
1588 } /* ftdi_HE_TIRA1_setup */
1591 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1592 * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1594 static int ndi_latency_timer = 1;
1596 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1597 * baudrate (19200 gets mapped to 1200000).
1599 * Called from usbserial:serial_probe.
1601 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1603 struct usb_device *udev = serial->dev;
1604 int latency = ndi_latency_timer;
1613 dbg("%s setting NDI device latency to %d", __func__, latency);
1614 dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1616 rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1617 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1618 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1619 latency, 0, buf, 0, WDR_TIMEOUT);
1624 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1625 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1626 * userspace using openocd.
1628 static int ftdi_jtag_probe(struct usb_serial *serial)
1630 struct usb_device *udev = serial->dev;
1631 struct usb_interface *interface = serial->interface;
1633 dbg("%s", __func__);
1635 if (interface == udev->actconfig->interface[0]) {
1636 dev_info(&udev->dev,
1637 "Ignoring serial port reserved for JTAG\n");
1645 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1646 * We have to correct it if we want to read from it.
1648 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1650 struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1651 struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1653 if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1654 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1655 dev_info(&serial->dev->dev,
1656 "Fixing invalid wMaxPacketSize on read pipe\n");
1662 static void ftdi_sio_priv_release(struct kref *k)
1664 struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1669 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1671 struct ftdi_private *priv = usb_get_serial_port_data(port);
1673 dbg("%s", __func__);
1675 remove_sysfs_attrs(port);
1677 kref_put(&priv->kref, ftdi_sio_priv_release);
1682 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1684 struct usb_device *dev = port->serial->dev;
1685 struct ftdi_private *priv = usb_get_serial_port_data(port);
1686 unsigned long flags;
1689 char buf[1]; /* Needed for the usb_control_msg I think */
1691 dbg("%s", __func__);
1693 spin_lock_irqsave(&priv->tx_lock, flags);
1695 spin_unlock_irqrestore(&priv->tx_lock, flags);
1696 spin_lock_irqsave(&priv->rx_lock, flags);
1698 spin_unlock_irqrestore(&priv->rx_lock, flags);
1701 tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
1703 write_latency_timer(port);
1705 /* No error checking for this (will get errors later anyway) */
1706 /* See ftdi_sio.h for description of what is reset */
1707 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1708 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1710 priv->interface, buf, 0, WDR_TIMEOUT);
1712 /* Termios defaults are set by usb_serial_init. We don't change
1713 port->tty->termios - this would lose speed settings, etc.
1714 This is same behaviour as serial.c/rs_open() - Kuba */
1716 /* ftdi_set_termios will send usb control messages */
1718 ftdi_set_termios(tty, port, tty->termios);
1721 spin_lock_irqsave(&priv->rx_lock, flags);
1722 priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
1723 spin_unlock_irqrestore(&priv->rx_lock, flags);
1725 /* Start reading from the device */
1726 priv->rx_processed = 0;
1727 usb_fill_bulk_urb(port->read_urb, dev,
1728 usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress),
1729 port->read_urb->transfer_buffer,
1730 port->read_urb->transfer_buffer_length,
1731 ftdi_read_bulk_callback, port);
1732 result = usb_submit_urb(port->read_urb, GFP_KERNEL);
1735 "%s - failed submitting read urb, error %d\n",
1738 kref_get(&priv->kref);
1744 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1746 struct ftdi_private *priv = usb_get_serial_port_data(port);
1749 mutex_lock(&port->serial->disc_mutex);
1750 if (!port->serial->disconnected) {
1751 /* Disable flow control */
1752 if (!on && usb_control_msg(port->serial->dev,
1753 usb_sndctrlpipe(port->serial->dev, 0),
1754 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1755 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1756 0, priv->interface, buf, 0,
1758 dev_err(&port->dev, "error from flowcontrol urb\n");
1760 /* drop RTS and DTR */
1762 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1764 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1766 mutex_unlock(&port->serial->disc_mutex);
1770 * usbserial:__serial_close only calls ftdi_close if the point is open
1772 * This only gets called when it is the last close
1777 static void ftdi_close(struct usb_serial_port *port)
1779 struct ftdi_private *priv = usb_get_serial_port_data(port);
1781 dbg("%s", __func__);
1784 /* cancel any scheduled reading */
1785 cancel_delayed_work_sync(&priv->rx_work);
1787 /* shutdown our bulk read */
1788 usb_kill_urb(port->read_urb);
1789 kref_put(&priv->kref, ftdi_sio_priv_release);
1794 /* The SIO requires the first byte to have:
1797 * B2..7 length of message excluding byte 0
1799 * The new devices do not require this byte
1801 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
1802 const unsigned char *buf, int count)
1804 struct ftdi_private *priv = usb_get_serial_port_data(port);
1806 unsigned char *buffer;
1807 int data_offset ; /* will be 1 for the SIO and 0 otherwise */
1810 unsigned long flags;
1812 dbg("%s port %d, %d bytes", __func__, port->number, count);
1815 dbg("write request of 0 bytes");
1818 spin_lock_irqsave(&priv->tx_lock, flags);
1819 if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
1820 spin_unlock_irqrestore(&priv->tx_lock, flags);
1821 dbg("%s - write limit hit\n", __func__);
1824 priv->tx_outstanding_urbs++;
1825 spin_unlock_irqrestore(&priv->tx_lock, flags);
1827 data_offset = priv->write_offset;
1828 dbg("data_offset set to %d", data_offset);
1830 /* Determine total transfer size */
1831 transfer_size = count;
1832 if (data_offset > 0) {
1833 /* Original sio needs control bytes too... */
1834 transfer_size += (data_offset *
1835 ((count + (priv->max_packet_size - 1 - data_offset)) /
1836 (priv->max_packet_size - data_offset)));
1839 buffer = kmalloc(transfer_size, GFP_ATOMIC);
1842 "%s ran out of kernel memory for urb ...\n", __func__);
1844 goto error_no_buffer;
1847 urb = usb_alloc_urb(0, GFP_ATOMIC);
1849 dev_err(&port->dev, "%s - no more free urbs\n", __func__);
1855 if (data_offset > 0) {
1856 /* Original sio requires control byte at start of
1858 int user_pktsz = priv->max_packet_size - data_offset;
1860 unsigned char *first_byte = buffer;
1861 const unsigned char *current_position = buf;
1864 if (user_pktsz > todo)
1866 /* Write the control byte at the front of the packet*/
1867 *first_byte = 1 | ((user_pktsz) << 2);
1868 /* Copy data for packet */
1869 memcpy(first_byte + data_offset,
1870 current_position, user_pktsz);
1871 first_byte += user_pktsz + data_offset;
1872 current_position += user_pktsz;
1876 /* No control byte required. */
1877 /* Copy in the data to send */
1878 memcpy(buffer, buf, count);
1881 usb_serial_debug_data(debug, &port->dev, __func__,
1882 transfer_size, buffer);
1884 /* fill the buffer and send it */
1885 usb_fill_bulk_urb(urb, port->serial->dev,
1886 usb_sndbulkpipe(port->serial->dev,
1887 port->bulk_out_endpointAddress),
1888 buffer, transfer_size,
1889 ftdi_write_bulk_callback, port);
1891 status = usb_submit_urb(urb, GFP_ATOMIC);
1894 "%s - failed submitting write urb, error %d\n",
1899 spin_lock_irqsave(&priv->tx_lock, flags);
1900 priv->tx_outstanding_bytes += count;
1901 priv->tx_bytes += count;
1902 spin_unlock_irqrestore(&priv->tx_lock, flags);
1905 /* we are done with this urb, so let the host driver
1906 * really free it when it is finished with it */
1909 dbg("%s write returning: %d", __func__, count);
1916 spin_lock_irqsave(&priv->tx_lock, flags);
1917 priv->tx_outstanding_urbs--;
1918 spin_unlock_irqrestore(&priv->tx_lock, flags);
1923 /* This function may get called when the device is closed */
1925 static void ftdi_write_bulk_callback(struct urb *urb)
1927 unsigned long flags;
1928 struct usb_serial_port *port = urb->context;
1929 struct ftdi_private *priv;
1930 int data_offset; /* will be 1 for the SIO and 0 otherwise */
1931 unsigned long countback;
1932 int status = urb->status;
1934 /* free up the transfer buffer, as usb_free_urb() does not do this */
1935 kfree(urb->transfer_buffer);
1937 dbg("%s - port %d", __func__, port->number);
1939 priv = usb_get_serial_port_data(port);
1941 dbg("%s - bad port private data pointer - exiting", __func__);
1944 /* account for transferred data */
1945 countback = urb->actual_length;
1946 data_offset = priv->write_offset;
1947 if (data_offset > 0) {
1948 /* Subtract the control bytes */
1949 countback -= (data_offset * DIV_ROUND_UP(countback, priv->max_packet_size));
1951 spin_lock_irqsave(&priv->tx_lock, flags);
1952 --priv->tx_outstanding_urbs;
1953 priv->tx_outstanding_bytes -= countback;
1954 spin_unlock_irqrestore(&priv->tx_lock, flags);
1957 dbg("nonzero write bulk status received: %d", status);
1961 usb_serial_port_softint(port);
1962 } /* ftdi_write_bulk_callback */
1965 static int ftdi_write_room(struct tty_struct *tty)
1967 struct usb_serial_port *port = tty->driver_data;
1968 struct ftdi_private *priv = usb_get_serial_port_data(port);
1970 unsigned long flags;
1972 dbg("%s - port %d", __func__, port->number);
1974 spin_lock_irqsave(&priv->tx_lock, flags);
1975 if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) {
1977 * We really can take anything the user throws at us
1978 * but let's pick a nice big number to tell the tty
1979 * layer that we have lots of free space
1985 spin_unlock_irqrestore(&priv->tx_lock, flags);
1989 static int ftdi_chars_in_buffer(struct tty_struct *tty)
1991 struct usb_serial_port *port = tty->driver_data;
1992 struct ftdi_private *priv = usb_get_serial_port_data(port);
1994 unsigned long flags;
1996 dbg("%s - port %d", __func__, port->number);
1998 spin_lock_irqsave(&priv->tx_lock, flags);
1999 buffered = (int)priv->tx_outstanding_bytes;
2000 spin_unlock_irqrestore(&priv->tx_lock, flags);
2002 dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
2009 static void ftdi_read_bulk_callback(struct urb *urb)
2011 struct usb_serial_port *port = urb->context;
2012 struct tty_struct *tty;
2013 struct ftdi_private *priv;
2014 unsigned long countread;
2015 unsigned long flags;
2016 int status = urb->status;
2018 if (urb->number_of_packets > 0) {
2019 dev_err(&port->dev, "%s transfer_buffer_length %d "
2020 "actual_length %d number of packets %d\n", __func__,
2021 urb->transfer_buffer_length,
2022 urb->actual_length, urb->number_of_packets);
2023 dev_err(&port->dev, "%s transfer_flags %x\n", __func__,
2024 urb->transfer_flags);
2027 dbg("%s - port %d", __func__, port->number);
2029 if (port->port.count <= 0)
2032 tty = tty_port_tty_get(&port->port);
2034 dbg("%s - bad tty pointer - exiting", __func__);
2038 priv = usb_get_serial_port_data(port);
2040 dbg("%s - bad port private data pointer - exiting", __func__);
2044 if (urb != port->read_urb)
2045 dev_err(&port->dev, "%s - Not my urb!\n", __func__);
2048 /* This will happen at close every time so it is a dbg not an
2050 dbg("(this is ok on close) nonzero read bulk status received: %d", status);
2054 /* count data bytes, but not status bytes */
2055 countread = urb->actual_length;
2056 countread -= 2 * DIV_ROUND_UP(countread, priv->max_packet_size);
2057 spin_lock_irqsave(&priv->rx_lock, flags);
2058 priv->rx_bytes += countread;
2059 spin_unlock_irqrestore(&priv->rx_lock, flags);
2061 ftdi_process_read(&priv->rx_work.work);
2064 } /* ftdi_read_bulk_callback */
2067 static void ftdi_process_read(struct work_struct *work)
2068 { /* ftdi_process_read */
2069 struct ftdi_private *priv =
2070 container_of(work, struct ftdi_private, rx_work.work);
2071 struct usb_serial_port *port = priv->port;
2073 struct tty_struct *tty;
2075 unsigned char *data;
2081 unsigned long flags;
2083 dbg("%s - port %d", __func__, port->number);
2085 if (port->port.count <= 0)
2088 tty = tty_port_tty_get(&port->port);
2090 dbg("%s - bad tty pointer - exiting", __func__);
2094 priv = usb_get_serial_port_data(port);
2096 dbg("%s - bad port private data pointer - exiting", __func__);
2100 urb = port->read_urb;
2102 dbg("%s - bad read_urb pointer - exiting", __func__);
2106 data = urb->transfer_buffer;
2108 if (priv->rx_processed) {
2109 dbg("%s - already processed: %d bytes, %d remain", __func__,
2111 urb->actual_length - priv->rx_processed);
2113 /* The first two bytes of every read packet are status */
2114 if (urb->actual_length > 2)
2115 usb_serial_debug_data(debug, &port->dev, __func__,
2116 urb->actual_length, data);
2118 dbg("Status only: %03oo %03oo", data[0], data[1]);
2122 /* TO DO -- check for hung up line and handle appropriately: */
2124 /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */
2125 /* if CD is dropped and the line is not CLOCAL then we should hangup */
2128 for (packet_offset = priv->rx_processed;
2129 packet_offset < urb->actual_length; packet_offset += priv->max_packet_size) {
2132 /* Compare new line status to the old one, signal if different/
2133 N.B. packet may be processed more than once, but differences
2134 are only processed once. */
2135 char new_status = data[packet_offset + 0] &
2136 FTDI_STATUS_B0_MASK;
2137 if (new_status != priv->prev_status) {
2138 priv->diff_status |=
2139 new_status ^ priv->prev_status;
2140 wake_up_interruptible(&priv->delta_msr_wait);
2141 priv->prev_status = new_status;
2144 length = min_t(u32, priv->max_packet_size, urb->actual_length-packet_offset)-2;
2146 dev_err(&port->dev, "%s - bad packet length: %d\n",
2147 __func__, length+2);
2151 if (priv->rx_flags & THROTTLED) {
2152 dbg("%s - throttled", __func__);
2155 if (tty_buffer_request_room(tty, length) < length) {
2156 /* break out & wait for throttling/unthrottling to
2158 dbg("%s - receive room low", __func__);
2162 /* Handle errors and break */
2163 error_flag = TTY_NORMAL;
2164 /* Although the device uses a bitmask and hence can have
2165 multiple errors on a packet - the order here sets the
2166 priority the error is returned to the tty layer */
2168 if (data[packet_offset+1] & FTDI_RS_OE) {
2169 error_flag = TTY_OVERRUN;
2170 dbg("OVERRRUN error");
2172 if (data[packet_offset+1] & FTDI_RS_BI) {
2173 error_flag = TTY_BREAK;
2174 dbg("BREAK received");
2175 usb_serial_handle_break(port);
2177 if (data[packet_offset+1] & FTDI_RS_PE) {
2178 error_flag = TTY_PARITY;
2179 dbg("PARITY error");
2181 if (data[packet_offset+1] & FTDI_RS_FE) {
2182 error_flag = TTY_FRAME;
2183 dbg("FRAMING error");
2186 for (i = 2; i < length+2; i++) {
2187 /* Note that the error flag is duplicated for
2188 every character received since we don't know
2189 which character it applied to */
2190 if (!usb_serial_handle_sysrq_char(tty, port,
2191 data[packet_offset + i]))
2192 tty_insert_flip_char(tty,
2193 data[packet_offset + i],
2199 #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW
2200 /* if a parity error is detected you get status packets forever
2201 until a character is sent without a parity error.
2202 This doesn't work well since the application receives a
2203 never ending stream of bad data - even though new data
2204 hasn't been sent. Therefore I (bill) have taken this out.
2205 However - this might make sense for framing errors and so on
2206 so I am leaving the code in for now.
2209 if (error_flag != TTY_NORMAL) {
2210 dbg("error_flag is not normal");
2211 /* In this case it is just status - if that is
2212 an error send a bad character */
2213 if (tty->flip.count >= TTY_FLIPBUF_SIZE)
2214 tty_flip_buffer_push(tty);
2215 tty_insert_flip_char(tty, 0xff, error_flag);
2220 } /* "for(packet_offset=0..." */
2224 tty_flip_buffer_push(tty);
2226 if (packet_offset < urb->actual_length) {
2227 /* not completely processed - record progress */
2228 priv->rx_processed = packet_offset;
2229 dbg("%s - incomplete, %d bytes processed, %d remain",
2230 __func__, packet_offset,
2231 urb->actual_length - packet_offset);
2232 /* check if we were throttled while processing */
2233 spin_lock_irqsave(&priv->rx_lock, flags);
2234 if (priv->rx_flags & THROTTLED) {
2235 priv->rx_flags |= ACTUALLY_THROTTLED;
2236 spin_unlock_irqrestore(&priv->rx_lock, flags);
2237 dbg("%s - deferring remainder until unthrottled",
2241 spin_unlock_irqrestore(&priv->rx_lock, flags);
2242 /* if the port is closed stop trying to read */
2243 if (port->port.count > 0)
2244 /* delay processing of remainder */
2245 schedule_delayed_work(&priv->rx_work, 1);
2247 dbg("%s - port is closed", __func__);
2251 /* urb is completely processed */
2252 priv->rx_processed = 0;
2254 /* if the port is closed stop trying to read */
2255 if (port->port.count > 0) {
2256 /* Continue trying to always read */
2257 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
2258 usb_rcvbulkpipe(port->serial->dev,
2259 port->bulk_in_endpointAddress),
2260 port->read_urb->transfer_buffer,
2261 port->read_urb->transfer_buffer_length,
2262 ftdi_read_bulk_callback, port);
2264 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
2267 "%s - failed resubmitting read urb, error %d\n",
2272 } /* ftdi_process_read */
2275 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2277 struct usb_serial_port *port = tty->driver_data;
2278 struct ftdi_private *priv = usb_get_serial_port_data(port);
2279 __u16 urb_value = 0;
2282 /* break_state = -1 to turn on break, and 0 to turn off break */
2283 /* see drivers/char/tty_io.c to see it used */
2284 /* last_set_data_urb_value NEVER has the break bit set in it */
2287 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2289 urb_value = priv->last_set_data_urb_value;
2291 if (usb_control_msg(port->serial->dev,
2292 usb_sndctrlpipe(port->serial->dev, 0),
2293 FTDI_SIO_SET_DATA_REQUEST,
2294 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2295 urb_value , priv->interface,
2296 buf, 0, WDR_TIMEOUT) < 0) {
2297 dev_err(&port->dev, "%s FAILED to enable/disable break state "
2298 "(state was %d)\n", __func__, break_state);
2301 dbg("%s break state is %d - urb is %d", __func__,
2302 break_state, urb_value);
2307 /* old_termios contains the original termios settings and tty->termios contains
2308 * the new setting to be used
2309 * WARNING: set_termios calls this with old_termios in kernel space
2312 static void ftdi_set_termios(struct tty_struct *tty,
2313 struct usb_serial_port *port, struct ktermios *old_termios)
2314 { /* ftdi_termios */
2315 struct usb_device *dev = port->serial->dev;
2316 struct ftdi_private *priv = usb_get_serial_port_data(port);
2317 struct ktermios *termios = tty->termios;
2318 unsigned int cflag = termios->c_cflag;
2319 __u16 urb_value; /* will hold the new flags */
2320 char buf[1]; /* Perhaps I should dynamically alloc this? */
2322 /* Added for xon/xoff support */
2323 unsigned int iflag = termios->c_iflag;
2324 unsigned char vstop;
2325 unsigned char vstart;
2327 dbg("%s", __func__);
2329 /* Force baud rate if this device requires it, unless it is set to
2331 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2332 dbg("%s: forcing baud rate for this device", __func__);
2333 tty_encode_baud_rate(tty, priv->force_baud,
2337 /* Force RTS-CTS if this device requires it. */
2338 if (priv->force_rtscts) {
2339 dbg("%s: forcing rtscts for this device", __func__);
2340 termios->c_cflag |= CRTSCTS;
2343 cflag = termios->c_cflag;
2345 /* FIXME -For this cut I don't care if the line is really changing or
2346 not - so just do the change regardless - should be able to
2347 compare old_termios and tty->termios */
2348 /* NOTE These routines can get interrupted by
2349 ftdi_sio_read_bulk_callback - need to examine what this means -
2350 don't see any problems yet */
2352 /* Set number of data bits, parity, stop bits */
2354 termios->c_cflag &= ~CMSPAR;
2357 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2358 FTDI_SIO_SET_DATA_STOP_BITS_1);
2359 urb_value |= (cflag & PARENB ?
2360 (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
2361 FTDI_SIO_SET_DATA_PARITY_EVEN) :
2362 FTDI_SIO_SET_DATA_PARITY_NONE);
2363 if (cflag & CSIZE) {
2364 switch (cflag & CSIZE) {
2365 case CS5: urb_value |= 5; dbg("Setting CS5"); break;
2366 case CS6: urb_value |= 6; dbg("Setting CS6"); break;
2367 case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2368 case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2370 dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
2374 /* This is needed by the break command since it uses the same command
2375 - but is or'ed with this value */
2376 priv->last_set_data_urb_value = urb_value;
2378 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2379 FTDI_SIO_SET_DATA_REQUEST,
2380 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2381 urb_value , priv->interface,
2382 buf, 0, WDR_SHORT_TIMEOUT) < 0) {
2383 dev_err(&port->dev, "%s FAILED to set "
2384 "databits/stopbits/parity\n", __func__);
2387 /* Now do the baudrate */
2388 if ((cflag & CBAUD) == B0) {
2389 /* Disable flow control */
2390 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2391 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2392 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2394 buf, 0, WDR_TIMEOUT) < 0) {
2396 "%s error from disable flowcontrol urb\n",
2399 /* Drop RTS and DTR */
2400 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2402 /* set the baudrate determined before */
2403 if (change_speed(tty, port))
2404 dev_err(&port->dev, "%s urb failed to set baudrate\n",
2406 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2407 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2408 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2411 /* Set flow control */
2412 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2413 if (cflag & CRTSCTS) {
2414 dbg("%s Setting to CRTSCTS flow control", __func__);
2415 if (usb_control_msg(dev,
2416 usb_sndctrlpipe(dev, 0),
2417 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2418 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2419 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2420 buf, 0, WDR_TIMEOUT) < 0) {
2422 "urb failed to set to rts/cts flow control\n");
2429 * Check the IXOFF status in the iflag component of the
2430 * termios structure. If IXOFF is not set, the pre-xon/xoff
2433 if (iflag & IXOFF) {
2434 dbg("%s request to enable xonxoff iflag=%04x",
2436 /* Try to enable the XON/XOFF on the ftdi_sio
2437 * Set the vstart and vstop -- could have been done up
2438 * above where a lot of other dereferencing is done but
2439 * that would be very inefficient as vstart and vstop
2440 * are not always needed.
2442 vstart = termios->c_cc[VSTART];
2443 vstop = termios->c_cc[VSTOP];
2444 urb_value = (vstop << 8) | (vstart);
2446 if (usb_control_msg(dev,
2447 usb_sndctrlpipe(dev, 0),
2448 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2449 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2450 urb_value , (FTDI_SIO_XON_XOFF_HS
2452 buf, 0, WDR_TIMEOUT) < 0) {
2453 dev_err(&port->dev, "urb failed to set to "
2454 "xon/xoff flow control\n");
2457 /* else clause to only run if cflag ! CRTSCTS and iflag
2458 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2459 * stack - not by device */
2460 dbg("%s Turning off hardware flow control", __func__);
2461 if (usb_control_msg(dev,
2462 usb_sndctrlpipe(dev, 0),
2463 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2464 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2466 buf, 0, WDR_TIMEOUT) < 0) {
2468 "urb failed to clear flow control\n");
2476 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
2478 struct usb_serial_port *port = tty->driver_data;
2479 struct ftdi_private *priv = usb_get_serial_port_data(port);
2480 unsigned char buf[2];
2483 dbg("%s TIOCMGET", __func__);
2484 switch (priv->chip_type) {
2486 /* Request the status from the device */
2487 ret = usb_control_msg(port->serial->dev,
2488 usb_rcvctrlpipe(port->serial->dev, 0),
2489 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2490 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2492 buf, 1, WDR_TIMEOUT);
2502 /* the 8U232AM returns a two byte value (the sio is a 1 byte
2503 value) - in the same format as the data returned from the in
2505 ret = usb_control_msg(port->serial->dev,
2506 usb_rcvctrlpipe(port->serial->dev, 0),
2507 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2508 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2510 buf, 2, WDR_TIMEOUT);
2518 return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2519 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2520 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2521 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2525 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
2526 unsigned int set, unsigned int clear)
2528 struct usb_serial_port *port = tty->driver_data;
2529 dbg("%s TIOCMSET", __func__);
2530 return update_mctrl(port, set, clear);
2534 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
2535 unsigned int cmd, unsigned long arg)
2537 struct usb_serial_port *port = tty->driver_data;
2538 struct ftdi_private *priv = usb_get_serial_port_data(port);
2540 dbg("%s cmd 0x%04x", __func__, cmd);
2542 /* Based on code from acm.c and others */
2545 case TIOCGSERIAL: /* gets serial port data */
2546 return get_serial_info(port,
2547 (struct serial_struct __user *) arg);
2549 case TIOCSSERIAL: /* sets serial port data */
2550 return set_serial_info(tty, port,
2551 (struct serial_struct __user *) arg);
2554 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2555 * - mask passed in arg for lines of interest
2556 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2557 * Caller should use TIOCGICOUNT to see which one it was.
2559 * This code is borrowed from linux/drivers/char/serial.c
2562 while (priv != NULL) {
2563 interruptible_sleep_on(&priv->delta_msr_wait);
2564 /* see if a signal did it */
2565 if (signal_pending(current))
2566 return -ERESTARTSYS;
2568 char diff = priv->diff_status;
2571 return -EIO; /* no change => error */
2573 /* Consume all events */
2574 priv->diff_status = 0;
2576 /* Return 0 if caller wanted to know about
2578 if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2579 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2580 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) ||
2581 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2585 * Otherwise caller can't care less about what
2586 * happened,and so we continue to wait for more
2595 /* This is not necessarily an error - turns out the higher layers
2596 * will do some ioctls themselves (see comment above)
2598 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2599 return -ENOIOCTLCMD;
2602 static void ftdi_throttle(struct tty_struct *tty)
2604 struct usb_serial_port *port = tty->driver_data;
2605 struct ftdi_private *priv = usb_get_serial_port_data(port);
2606 unsigned long flags;
2608 dbg("%s - port %d", __func__, port->number);
2610 spin_lock_irqsave(&priv->rx_lock, flags);
2611 priv->rx_flags |= THROTTLED;
2612 spin_unlock_irqrestore(&priv->rx_lock, flags);
2616 static void ftdi_unthrottle(struct tty_struct *tty)
2618 struct usb_serial_port *port = tty->driver_data;
2619 struct ftdi_private *priv = usb_get_serial_port_data(port);
2620 int actually_throttled;
2621 unsigned long flags;
2623 dbg("%s - port %d", __func__, port->number);
2625 spin_lock_irqsave(&priv->rx_lock, flags);
2626 actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED;
2627 priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
2628 spin_unlock_irqrestore(&priv->rx_lock, flags);
2630 if (actually_throttled)
2631 schedule_delayed_work(&priv->rx_work, 0);
2634 static int __init ftdi_init(void)
2638 dbg("%s", __func__);
2639 if (vendor > 0 && product > 0) {
2640 /* Add user specified VID/PID to reserved element of table. */
2642 for (i = 0; id_table_combined[i].idVendor; i++)
2644 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2645 id_table_combined[i].idVendor = vendor;
2646 id_table_combined[i].idProduct = product;
2648 retval = usb_serial_register(&ftdi_sio_device);
2650 goto failed_sio_register;
2651 retval = usb_register(&ftdi_driver);
2653 goto failed_usb_register;
2655 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2658 failed_usb_register:
2659 usb_serial_deregister(&ftdi_sio_device);
2660 failed_sio_register:
2665 static void __exit ftdi_exit(void)
2668 dbg("%s", __func__);
2670 usb_deregister(&ftdi_driver);
2671 usb_serial_deregister(&ftdi_sio_device);
2676 module_init(ftdi_init);
2677 module_exit(ftdi_exit);
2679 MODULE_AUTHOR(DRIVER_AUTHOR);
2680 MODULE_DESCRIPTION(DRIVER_DESC);
2681 MODULE_LICENSE("GPL");
2683 module_param(debug, bool, S_IRUGO | S_IWUSR);
2684 MODULE_PARM_DESC(debug, "Debug enabled or not");
2685 module_param(vendor, ushort, 0);
2686 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2687 __MODULE_STRING(FTDI_VID)")");
2688 module_param(product, ushort, 0);
2689 MODULE_PARM_DESC(product, "User specified product ID");
2691 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2692 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");