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/tty.h>
37 #include <linux/tty_driver.h>
38 #include <linux/tty_flip.h>
39 #include <linux/module.h>
40 #include <linux/spinlock.h>
41 #include <linux/uaccess.h>
42 #include <linux/usb.h>
43 #include <linux/serial.h>
44 #include <linux/usb/serial.h>
50 #define DRIVER_VERSION "v1.4.3"
51 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>"
52 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
55 static __u16 vendor
= FTDI_VID
;
59 ftdi_chip_type_t chip_type
;
60 /* type of device, either SIO or FT8U232AM */
61 int baud_base
; /* baud base clock for divisor setting */
62 int custom_divisor
; /* custom_divisor kludge, this is for
63 baud_base (different from what goes to the
65 __u16 last_set_data_urb_value
;
66 /* the last data state set - needed for doing
69 int write_offset
; /* This is the offset in the usb data block to
70 * write the serial data - it varies between
73 int flags
; /* some ASYNC_xxxx flags are supported */
74 unsigned long last_dtr_rts
; /* saved modem control outputs */
75 wait_queue_head_t delta_msr_wait
; /* Used for TIOCMIWAIT */
76 char prev_status
, diff_status
; /* Used for TIOCMIWAIT */
77 __u8 rx_flags
; /* receive state flags (throttling) */
78 spinlock_t rx_lock
; /* spinlock for receive state */
79 struct delayed_work rx_work
;
80 struct usb_serial_port
*port
;
82 unsigned long rx_bytes
;
84 __u16 interface
; /* FT2232C port interface (0 for FT232/245) */
86 speed_t force_baud
; /* if non-zero, force the baud rate to
88 int force_rtscts
; /* if non-zero, force RTS-CTS to always
91 spinlock_t tx_lock
; /* spinlock for transmit state */
92 unsigned long tx_bytes
;
93 unsigned long tx_outstanding_bytes
;
94 unsigned long tx_outstanding_urbs
;
97 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
98 struct ftdi_sio_quirk
{
99 int (*probe
)(struct usb_serial
*);
100 /* Special settings for probed ports. */
101 void (*port_probe
)(struct ftdi_private
*);
104 static int ftdi_jtag_probe(struct usb_serial
*serial
);
105 static int ftdi_mtxorb_hack_setup(struct usb_serial
*serial
);
106 static void ftdi_USB_UIRT_setup(struct ftdi_private
*priv
);
107 static void ftdi_HE_TIRA1_setup(struct ftdi_private
*priv
);
109 static struct ftdi_sio_quirk ftdi_jtag_quirk
= {
110 .probe
= ftdi_jtag_probe
,
113 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk
= {
114 .probe
= ftdi_mtxorb_hack_setup
,
117 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk
= {
118 .port_probe
= ftdi_USB_UIRT_setup
,
121 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk
= {
122 .port_probe
= ftdi_HE_TIRA1_setup
,
126 * The 8U232AM has the same API as the sio except for:
127 * - it can support MUCH higher baudrates; up to:
128 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
130 * so .. 8U232AM's baudrate setting codes are different
131 * - it has a two byte status code.
132 * - it returns characters every 16ms (the FTDI does it every 40ms)
134 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
135 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
136 * combinations in both tables.
137 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
138 * but I don't know if those ever went into mass production. [Ian Abbott]
143 static struct usb_device_id id_table_combined
[] = {
144 { USB_DEVICE(FTDI_VID
, FTDI_AMC232_PID
) },
145 { USB_DEVICE(FTDI_VID
, FTDI_CANUSB_PID
) },
146 { USB_DEVICE(FTDI_VID
, FTDI_CANDAPTER_PID
) },
147 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_0_PID
) },
148 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_1_PID
) },
149 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_2_PID
) },
150 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_3_PID
) },
151 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_4_PID
) },
152 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_5_PID
) },
153 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_6_PID
) },
154 { USB_DEVICE(FTDI_VID
, FTDI_SCS_DEVICE_7_PID
) },
155 { USB_DEVICE(FTDI_VID
, FTDI_ACTZWAVE_PID
) },
156 { USB_DEVICE(FTDI_VID
, FTDI_IRTRANS_PID
) },
157 { USB_DEVICE(FTDI_VID
, FTDI_IPLUS_PID
) },
158 { USB_DEVICE(FTDI_VID
, FTDI_IPLUS2_PID
) },
159 { USB_DEVICE(FTDI_VID
, FTDI_DMX4ALL
) },
160 { USB_DEVICE(FTDI_VID
, FTDI_SIO_PID
) },
161 { USB_DEVICE(FTDI_VID
, FTDI_8U232AM_PID
) },
162 { USB_DEVICE(FTDI_VID
, FTDI_8U232AM_ALT_PID
) },
163 { USB_DEVICE(FTDI_VID
, FTDI_232RL_PID
) },
164 { USB_DEVICE(FTDI_VID
, FTDI_8U2232C_PID
) },
165 { USB_DEVICE(FTDI_VID
, FTDI_MICRO_CHAMELEON_PID
) },
166 { USB_DEVICE(FTDI_VID
, FTDI_RELAIS_PID
) },
167 { USB_DEVICE(FTDI_VID
, FTDI_OPENDCC_PID
) },
168 { USB_DEVICE(INTERBIOMETRICS_VID
, INTERBIOMETRICS_IOBOARD_PID
) },
169 { USB_DEVICE(INTERBIOMETRICS_VID
, INTERBIOMETRICS_MINI_IOBOARD_PID
) },
170 { USB_DEVICE(FTDI_VID
, FTDI_SPROG_II
) },
171 { USB_DEVICE(FTDI_VID
, FTDI_XF_632_PID
) },
172 { USB_DEVICE(FTDI_VID
, FTDI_XF_634_PID
) },
173 { USB_DEVICE(FTDI_VID
, FTDI_XF_547_PID
) },
174 { USB_DEVICE(FTDI_VID
, FTDI_XF_633_PID
) },
175 { USB_DEVICE(FTDI_VID
, FTDI_XF_631_PID
) },
176 { USB_DEVICE(FTDI_VID
, FTDI_XF_635_PID
) },
177 { USB_DEVICE(FTDI_VID
, FTDI_XF_640_PID
) },
178 { USB_DEVICE(FTDI_VID
, FTDI_XF_642_PID
) },
179 { USB_DEVICE(FTDI_VID
, FTDI_DSS20_PID
) },
180 { USB_DEVICE(FTDI_NF_RIC_VID
, FTDI_NF_RIC_PID
) },
181 { USB_DEVICE(FTDI_VID
, FTDI_VNHCPCUSB_D_PID
) },
182 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_0_PID
) },
183 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_1_PID
) },
184 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_2_PID
) },
185 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_3_PID
) },
186 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_4_PID
) },
187 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_5_PID
) },
188 { USB_DEVICE(FTDI_VID
, FTDI_MTXORB_6_PID
) },
189 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0100_PID
) },
190 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0101_PID
) },
191 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0102_PID
) },
192 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0103_PID
) },
193 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0104_PID
) },
194 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0105_PID
) },
195 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0106_PID
) },
196 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0107_PID
) },
197 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0108_PID
) },
198 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0109_PID
) },
199 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_010A_PID
) },
200 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_010B_PID
) },
201 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_010C_PID
) },
202 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_010D_PID
) },
203 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_010E_PID
) },
204 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_010F_PID
) },
205 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0110_PID
) },
206 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0111_PID
) },
207 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0112_PID
) },
208 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0113_PID
) },
209 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0114_PID
) },
210 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0115_PID
) },
211 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0116_PID
) },
212 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0117_PID
) },
213 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0118_PID
) },
214 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0119_PID
) },
215 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_011A_PID
) },
216 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_011B_PID
) },
217 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_011C_PID
) },
218 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_011D_PID
) },
219 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_011E_PID
) },
220 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_011F_PID
) },
221 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0120_PID
) },
222 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0121_PID
) },
223 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0122_PID
) },
224 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0123_PID
) },
225 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0124_PID
) },
226 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0125_PID
) },
227 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0126_PID
) },
228 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0127_PID
),
229 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
230 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0128_PID
) },
231 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0129_PID
) },
232 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_012A_PID
) },
233 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_012B_PID
) },
234 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_012C_PID
),
235 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
236 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_012D_PID
) },
237 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_012E_PID
) },
238 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_012F_PID
) },
239 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0130_PID
) },
240 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0131_PID
) },
241 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0132_PID
) },
242 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0133_PID
) },
243 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0134_PID
) },
244 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0135_PID
) },
245 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0136_PID
) },
246 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0137_PID
) },
247 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0138_PID
) },
248 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0139_PID
) },
249 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_013A_PID
) },
250 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_013B_PID
) },
251 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_013C_PID
) },
252 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_013D_PID
) },
253 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_013E_PID
) },
254 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_013F_PID
) },
255 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0140_PID
) },
256 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0141_PID
) },
257 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0142_PID
) },
258 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0143_PID
) },
259 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0144_PID
) },
260 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0145_PID
) },
261 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0146_PID
) },
262 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0147_PID
) },
263 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0148_PID
) },
264 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0149_PID
) },
265 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_014A_PID
) },
266 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_014B_PID
) },
267 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_014C_PID
) },
268 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_014D_PID
) },
269 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_014E_PID
) },
270 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_014F_PID
) },
271 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0150_PID
) },
272 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0151_PID
) },
273 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0152_PID
) },
274 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0153_PID
),
275 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
276 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0154_PID
),
277 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
278 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0155_PID
),
279 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
280 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0156_PID
),
281 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
282 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0157_PID
),
283 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
284 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0158_PID
),
285 .driver_info
= (kernel_ulong_t
)&ftdi_mtxorb_hack_quirk
},
286 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0159_PID
) },
287 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_015A_PID
) },
288 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_015B_PID
) },
289 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_015C_PID
) },
290 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_015D_PID
) },
291 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_015E_PID
) },
292 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_015F_PID
) },
293 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0160_PID
) },
294 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0161_PID
) },
295 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0162_PID
) },
296 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0163_PID
) },
297 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0164_PID
) },
298 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0165_PID
) },
299 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0166_PID
) },
300 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0167_PID
) },
301 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0168_PID
) },
302 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0169_PID
) },
303 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_016A_PID
) },
304 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_016B_PID
) },
305 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_016C_PID
) },
306 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_016D_PID
) },
307 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_016E_PID
) },
308 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_016F_PID
) },
309 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0170_PID
) },
310 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0171_PID
) },
311 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0172_PID
) },
312 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0173_PID
) },
313 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0174_PID
) },
314 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0175_PID
) },
315 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0176_PID
) },
316 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0177_PID
) },
317 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0178_PID
) },
318 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0179_PID
) },
319 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_017A_PID
) },
320 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_017B_PID
) },
321 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_017C_PID
) },
322 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_017D_PID
) },
323 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_017E_PID
) },
324 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_017F_PID
) },
325 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0180_PID
) },
326 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0181_PID
) },
327 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0182_PID
) },
328 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0183_PID
) },
329 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0184_PID
) },
330 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0185_PID
) },
331 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0186_PID
) },
332 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0187_PID
) },
333 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0188_PID
) },
334 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0189_PID
) },
335 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_018A_PID
) },
336 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_018B_PID
) },
337 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_018C_PID
) },
338 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_018D_PID
) },
339 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_018E_PID
) },
340 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_018F_PID
) },
341 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0190_PID
) },
342 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0191_PID
) },
343 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0192_PID
) },
344 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0193_PID
) },
345 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0194_PID
) },
346 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0195_PID
) },
347 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0196_PID
) },
348 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0197_PID
) },
349 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0198_PID
) },
350 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_0199_PID
) },
351 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_019A_PID
) },
352 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_019B_PID
) },
353 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_019C_PID
) },
354 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_019D_PID
) },
355 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_019E_PID
) },
356 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_019F_PID
) },
357 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A0_PID
) },
358 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A1_PID
) },
359 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A2_PID
) },
360 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A3_PID
) },
361 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A4_PID
) },
362 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A5_PID
) },
363 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A6_PID
) },
364 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A7_PID
) },
365 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A8_PID
) },
366 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01A9_PID
) },
367 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01AA_PID
) },
368 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01AB_PID
) },
369 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01AC_PID
) },
370 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01AD_PID
) },
371 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01AE_PID
) },
372 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01AF_PID
) },
373 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B0_PID
) },
374 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B1_PID
) },
375 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B2_PID
) },
376 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B3_PID
) },
377 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B4_PID
) },
378 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B5_PID
) },
379 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B6_PID
) },
380 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B7_PID
) },
381 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B8_PID
) },
382 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01B9_PID
) },
383 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01BA_PID
) },
384 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01BB_PID
) },
385 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01BC_PID
) },
386 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01BD_PID
) },
387 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01BE_PID
) },
388 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01BF_PID
) },
389 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C0_PID
) },
390 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C1_PID
) },
391 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C2_PID
) },
392 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C3_PID
) },
393 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C4_PID
) },
394 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C5_PID
) },
395 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C6_PID
) },
396 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C7_PID
) },
397 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C8_PID
) },
398 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01C9_PID
) },
399 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01CA_PID
) },
400 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01CB_PID
) },
401 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01CC_PID
) },
402 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01CD_PID
) },
403 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01CE_PID
) },
404 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01CF_PID
) },
405 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D0_PID
) },
406 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D1_PID
) },
407 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D2_PID
) },
408 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D3_PID
) },
409 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D4_PID
) },
410 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D5_PID
) },
411 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D6_PID
) },
412 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D7_PID
) },
413 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D8_PID
) },
414 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01D9_PID
) },
415 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01DA_PID
) },
416 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01DB_PID
) },
417 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01DC_PID
) },
418 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01DD_PID
) },
419 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01DE_PID
) },
420 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01DF_PID
) },
421 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E0_PID
) },
422 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E1_PID
) },
423 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E2_PID
) },
424 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E3_PID
) },
425 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E4_PID
) },
426 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E5_PID
) },
427 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E6_PID
) },
428 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E7_PID
) },
429 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E8_PID
) },
430 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01E9_PID
) },
431 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01EA_PID
) },
432 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01EB_PID
) },
433 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01EC_PID
) },
434 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01ED_PID
) },
435 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01EE_PID
) },
436 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01EF_PID
) },
437 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F0_PID
) },
438 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F1_PID
) },
439 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F2_PID
) },
440 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F3_PID
) },
441 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F4_PID
) },
442 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F5_PID
) },
443 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F6_PID
) },
444 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F7_PID
) },
445 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F8_PID
) },
446 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01F9_PID
) },
447 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01FA_PID
) },
448 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01FB_PID
) },
449 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01FC_PID
) },
450 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01FD_PID
) },
451 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01FE_PID
) },
452 { USB_DEVICE(MTXORB_VID
, MTXORB_FTDI_RANGE_01FF_PID
) },
453 { USB_DEVICE(FTDI_VID
, FTDI_PERLE_ULTRAPORT_PID
) },
454 { USB_DEVICE(FTDI_VID
, FTDI_PIEGROUP_PID
) },
455 { USB_DEVICE(FTDI_VID
, FTDI_TNC_X_PID
) },
456 { USB_DEVICE(FTDI_VID
, FTDI_USBX_707_PID
) },
457 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2101_PID
) },
458 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2102_PID
) },
459 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2103_PID
) },
460 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2104_PID
) },
461 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2106_PID
) },
462 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2201_1_PID
) },
463 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2201_2_PID
) },
464 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2202_1_PID
) },
465 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2202_2_PID
) },
466 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2203_1_PID
) },
467 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2203_2_PID
) },
468 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2401_1_PID
) },
469 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2401_2_PID
) },
470 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2401_3_PID
) },
471 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2401_4_PID
) },
472 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2402_1_PID
) },
473 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2402_2_PID
) },
474 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2402_3_PID
) },
475 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2402_4_PID
) },
476 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2403_1_PID
) },
477 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2403_2_PID
) },
478 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2403_3_PID
) },
479 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2403_4_PID
) },
480 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_1_PID
) },
481 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_2_PID
) },
482 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_3_PID
) },
483 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_4_PID
) },
484 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_5_PID
) },
485 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_6_PID
) },
486 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_7_PID
) },
487 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2801_8_PID
) },
488 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_1_PID
) },
489 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_2_PID
) },
490 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_3_PID
) },
491 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_4_PID
) },
492 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_5_PID
) },
493 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_6_PID
) },
494 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_7_PID
) },
495 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2802_8_PID
) },
496 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_1_PID
) },
497 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_2_PID
) },
498 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_3_PID
) },
499 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_4_PID
) },
500 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_5_PID
) },
501 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_6_PID
) },
502 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_7_PID
) },
503 { USB_DEVICE(SEALEVEL_VID
, SEALEVEL_2803_8_PID
) },
504 { USB_DEVICE(IDTECH_VID
, IDTECH_IDT1221U_PID
) },
505 { USB_DEVICE(OCT_VID
, OCT_US101_PID
) },
506 { USB_DEVICE(FTDI_VID
, FTDI_HE_TIRA1_PID
),
507 .driver_info
= (kernel_ulong_t
)&ftdi_HE_TIRA1_quirk
},
508 { USB_DEVICE(FTDI_VID
, FTDI_USB_UIRT_PID
),
509 .driver_info
= (kernel_ulong_t
)&ftdi_USB_UIRT_quirk
},
510 { USB_DEVICE(FTDI_VID
, PROTEGO_SPECIAL_1
) },
511 { USB_DEVICE(FTDI_VID
, PROTEGO_R2X0
) },
512 { USB_DEVICE(FTDI_VID
, PROTEGO_SPECIAL_3
) },
513 { USB_DEVICE(FTDI_VID
, PROTEGO_SPECIAL_4
) },
514 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E808_PID
) },
515 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E809_PID
) },
516 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E80A_PID
) },
517 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E80B_PID
) },
518 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E80C_PID
) },
519 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E80D_PID
) },
520 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E80E_PID
) },
521 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E80F_PID
) },
522 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E888_PID
) },
523 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E889_PID
) },
524 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E88A_PID
) },
525 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E88B_PID
) },
526 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E88C_PID
) },
527 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E88D_PID
) },
528 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E88E_PID
) },
529 { USB_DEVICE(FTDI_VID
, FTDI_GUDEADS_E88F_PID
) },
530 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UO100_PID
) },
531 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UM100_PID
) },
532 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UR100_PID
) },
533 { USB_DEVICE(FTDI_VID
, FTDI_ELV_ALC8500_PID
) },
534 { USB_DEVICE(FTDI_VID
, FTDI_PYRAMID_PID
) },
535 { USB_DEVICE(FTDI_VID
, FTDI_ELV_FHZ1000PC_PID
) },
536 { USB_DEVICE(FTDI_VID
, FTDI_IBS_US485_PID
) },
537 { USB_DEVICE(FTDI_VID
, FTDI_IBS_PICPRO_PID
) },
538 { USB_DEVICE(FTDI_VID
, FTDI_IBS_PCMCIA_PID
) },
539 { USB_DEVICE(FTDI_VID
, FTDI_IBS_PK1_PID
) },
540 { USB_DEVICE(FTDI_VID
, FTDI_IBS_RS232MON_PID
) },
541 { USB_DEVICE(FTDI_VID
, FTDI_IBS_APP70_PID
) },
542 { USB_DEVICE(FTDI_VID
, FTDI_IBS_PEDO_PID
) },
543 { USB_DEVICE(FTDI_VID
, FTDI_IBS_PROD_PID
) },
545 * Due to many user requests for multiple ELV devices we enable
548 { USB_DEVICE(FTDI_VID
, FTDI_ELV_CLI7000_PID
) },
549 { USB_DEVICE(FTDI_VID
, FTDI_ELV_PPS7330_PID
) },
550 { USB_DEVICE(FTDI_VID
, FTDI_ELV_TFM100_PID
) },
551 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UDF77_PID
) },
552 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UIO88_PID
) },
553 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UAD8_PID
) },
554 { USB_DEVICE(FTDI_VID
, FTDI_ELV_UDA7_PID
) },
555 { USB_DEVICE(FTDI_VID
, FTDI_ELV_USI2_PID
) },
556 { USB_DEVICE(FTDI_VID
, FTDI_ELV_T1100_PID
) },
557 { USB_DEVICE(FTDI_VID
, FTDI_ELV_PCD200_PID
) },
558 { USB_DEVICE(FTDI_VID
, FTDI_ELV_ULA200_PID
) },
559 { USB_DEVICE(FTDI_VID
, FTDI_ELV_CSI8_PID
) },
560 { USB_DEVICE(FTDI_VID
, FTDI_ELV_EM1000DL_PID
) },
561 { USB_DEVICE(FTDI_VID
, FTDI_ELV_PCK100_PID
) },
562 { USB_DEVICE(FTDI_VID
, FTDI_ELV_RFP500_PID
) },
563 { USB_DEVICE(FTDI_VID
, FTDI_ELV_FS20SIG_PID
) },
564 { USB_DEVICE(FTDI_VID
, FTDI_ELV_WS300PC_PID
) },
565 { USB_DEVICE(FTDI_VID
, FTDI_ELV_FHZ1300PC_PID
) },
566 { USB_DEVICE(FTDI_VID
, FTDI_ELV_EM1010PC_PID
) },
567 { USB_DEVICE(FTDI_VID
, FTDI_ELV_WS500_PID
) },
568 { USB_DEVICE(FTDI_VID
, FTDI_ELV_HS485_PID
) },
569 { USB_DEVICE(FTDI_VID
, LINX_SDMUSBQSS_PID
) },
570 { USB_DEVICE(FTDI_VID
, LINX_MASTERDEVEL2_PID
) },
571 { USB_DEVICE(FTDI_VID
, LINX_FUTURE_0_PID
) },
572 { USB_DEVICE(FTDI_VID
, LINX_FUTURE_1_PID
) },
573 { USB_DEVICE(FTDI_VID
, LINX_FUTURE_2_PID
) },
574 { USB_DEVICE(FTDI_VID
, FTDI_CCSICDU20_0_PID
) },
575 { USB_DEVICE(FTDI_VID
, FTDI_CCSICDU40_1_PID
) },
576 { USB_DEVICE(FTDI_VID
, FTDI_CCSMACHX_2_PID
) },
577 { USB_DEVICE(FTDI_VID
, INSIDE_ACCESSO
) },
578 { USB_DEVICE(INTREPID_VID
, INTREPID_VALUECAN_PID
) },
579 { USB_DEVICE(INTREPID_VID
, INTREPID_NEOVI_PID
) },
580 { USB_DEVICE(FALCOM_VID
, FALCOM_TWIST_PID
) },
581 { USB_DEVICE(FALCOM_VID
, FALCOM_SAMBA_PID
) },
582 { USB_DEVICE(FTDI_VID
, FTDI_SUUNTO_SPORTS_PID
) },
583 { USB_DEVICE(FTDI_VID
, FTDI_OCEANIC_PID
) },
584 { USB_DEVICE(TTI_VID
, TTI_QL355P_PID
) },
585 { USB_DEVICE(FTDI_VID
, FTDI_RM_CANVIEW_PID
) },
586 { USB_DEVICE(BANDB_VID
, BANDB_USOTL4_PID
) },
587 { USB_DEVICE(BANDB_VID
, BANDB_USTL4_PID
) },
588 { USB_DEVICE(BANDB_VID
, BANDB_USO9ML2_PID
) },
589 { USB_DEVICE(FTDI_VID
, EVER_ECO_PRO_CDS
) },
590 { USB_DEVICE(FTDI_VID
, FTDI_4N_GALAXY_DE_1_PID
) },
591 { USB_DEVICE(FTDI_VID
, FTDI_4N_GALAXY_DE_2_PID
) },
592 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_0_PID
) },
593 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_1_PID
) },
594 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_2_PID
) },
595 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_3_PID
) },
596 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_4_PID
) },
597 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_5_PID
) },
598 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_6_PID
) },
599 { USB_DEVICE(FTDI_VID
, XSENS_CONVERTER_7_PID
) },
600 { USB_DEVICE(MOBILITY_VID
, MOBILITY_USB_SERIAL_PID
) },
601 { USB_DEVICE(FTDI_VID
, FTDI_ACTIVE_ROBOTS_PID
) },
602 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_KW_PID
) },
603 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_YS_PID
) },
604 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_Y6_PID
) },
605 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_Y8_PID
) },
606 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_IC_PID
) },
607 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_DB9_PID
) },
608 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_RS232_PID
) },
609 { USB_DEVICE(FTDI_VID
, FTDI_MHAM_Y9_PID
) },
610 { USB_DEVICE(FTDI_VID
, FTDI_TERATRONIK_VCP_PID
) },
611 { USB_DEVICE(FTDI_VID
, FTDI_TERATRONIK_D2XX_PID
) },
612 { USB_DEVICE(EVOLUTION_VID
, EVOLUTION_ER1_PID
) },
613 { USB_DEVICE(EVOLUTION_VID
, EVO_HYBRID_PID
) },
614 { USB_DEVICE(EVOLUTION_VID
, EVO_RCM4_PID
) },
615 { USB_DEVICE(FTDI_VID
, FTDI_ARTEMIS_PID
) },
616 { USB_DEVICE(FTDI_VID
, FTDI_ATIK_ATK16_PID
) },
617 { USB_DEVICE(FTDI_VID
, FTDI_ATIK_ATK16C_PID
) },
618 { USB_DEVICE(FTDI_VID
, FTDI_ATIK_ATK16HR_PID
) },
619 { USB_DEVICE(FTDI_VID
, FTDI_ATIK_ATK16HRC_PID
) },
620 { USB_DEVICE(FTDI_VID
, FTDI_ATIK_ATK16IC_PID
) },
621 { USB_DEVICE(KOBIL_VID
, KOBIL_CONV_B1_PID
) },
622 { USB_DEVICE(KOBIL_VID
, KOBIL_CONV_KAAN_PID
) },
623 { USB_DEVICE(POSIFLEX_VID
, POSIFLEX_PP7000_PID
) },
624 { USB_DEVICE(FTDI_VID
, FTDI_TTUSB_PID
) },
625 { USB_DEVICE(FTDI_VID
, FTDI_ECLO_COM_1WIRE_PID
) },
626 { USB_DEVICE(FTDI_VID
, FTDI_WESTREX_MODEL_777_PID
) },
627 { USB_DEVICE(FTDI_VID
, FTDI_WESTREX_MODEL_8900F_PID
) },
628 { USB_DEVICE(FTDI_VID
, FTDI_PCDJ_DAC2_PID
) },
629 { USB_DEVICE(FTDI_VID
, FTDI_RRCIRKITS_LOCOBUFFER_PID
) },
630 { USB_DEVICE(FTDI_VID
, FTDI_ASK_RDR400_PID
) },
631 { USB_DEVICE(ICOM_ID1_VID
, ICOM_ID1_PID
) },
632 { USB_DEVICE(PAPOUCH_VID
, PAPOUCH_TMU_PID
) },
633 { USB_DEVICE(FTDI_VID
, FTDI_ACG_HFDUAL_PID
) },
634 { USB_DEVICE(FTDI_VID
, FTDI_YEI_SERVOCENTER31_PID
) },
635 { USB_DEVICE(FTDI_VID
, FTDI_THORLABS_PID
) },
636 { USB_DEVICE(TESTO_VID
, TESTO_USB_INTERFACE_PID
) },
637 { USB_DEVICE(FTDI_VID
, FTDI_GAMMA_SCOUT_PID
) },
638 { USB_DEVICE(FTDI_VID
, FTDI_TACTRIX_OPENPORT_13M_PID
) },
639 { USB_DEVICE(FTDI_VID
, FTDI_TACTRIX_OPENPORT_13S_PID
) },
640 { USB_DEVICE(FTDI_VID
, FTDI_TACTRIX_OPENPORT_13U_PID
) },
641 { USB_DEVICE(ELEKTOR_VID
, ELEKTOR_FT323R_PID
) },
642 { USB_DEVICE(TELLDUS_VID
, TELLDUS_TELLSTICK_PID
) },
643 { USB_DEVICE(FTDI_VID
, FTDI_MAXSTREAM_PID
) },
644 { USB_DEVICE(FTDI_VID
, FTDI_PHI_FISCO_PID
) },
645 { USB_DEVICE(TML_VID
, TML_USB_SERIAL_PID
) },
646 { USB_DEVICE(FTDI_VID
, FTDI_ELSTER_UNICOM_PID
) },
647 { USB_DEVICE(FTDI_VID
, FTDI_PROPOX_JTAGCABLEII_PID
) },
648 { USB_DEVICE(OLIMEX_VID
, OLIMEX_ARM_USB_OCD_PID
),
649 .driver_info
= (kernel_ulong_t
)&ftdi_jtag_quirk
},
650 { USB_DEVICE(FIC_VID
, FIC_NEO1973_DEBUG_PID
),
651 .driver_info
= (kernel_ulong_t
)&ftdi_jtag_quirk
},
652 { USB_DEVICE(FTDI_VID
, FTDI_OOCDLINK_PID
),
653 .driver_info
= (kernel_ulong_t
)&ftdi_jtag_quirk
},
654 { USB_DEVICE(FTDI_VID
, LMI_LM3S_DEVEL_BOARD_PID
),
655 .driver_info
= (kernel_ulong_t
)&ftdi_jtag_quirk
},
656 { USB_DEVICE(FTDI_VID
, LMI_LM3S_EVAL_BOARD_PID
),
657 .driver_info
= (kernel_ulong_t
)&ftdi_jtag_quirk
},
658 { USB_DEVICE(RATOC_VENDOR_ID
, RATOC_PRODUCT_ID_USB60F
) },
659 { USB_DEVICE(FTDI_VID
, FTDI_REU_TINY_PID
) },
660 { USB_DEVICE(PAPOUCH_VID
, PAPOUCH_QUIDO4x4_PID
) },
661 { USB_DEVICE(FTDI_VID
, FTDI_DOMINTELL_DGQG_PID
) },
662 { USB_DEVICE(FTDI_VID
, FTDI_DOMINTELL_DUSB_PID
) },
663 { USB_DEVICE(ALTI2_VID
, ALTI2_N3_PID
) },
664 { USB_DEVICE(FTDI_VID
, DIEBOLD_BCS_SE923_PID
) },
665 { USB_DEVICE(FTDI_VID
, FTDI_NDI_HUC_PID
) },
666 { USB_DEVICE(ATMEL_VID
, STK541_PID
) },
667 { USB_DEVICE(DE_VID
, STB_PID
) },
668 { USB_DEVICE(DE_VID
, WHT_PID
) },
669 { USB_DEVICE(ADI_VID
, ADI_GNICE_PID
),
670 .driver_info
= (kernel_ulong_t
)&ftdi_jtag_quirk
},
671 { }, /* Optional parameter entry */
672 { } /* Terminating entry */
675 MODULE_DEVICE_TABLE(usb
, id_table_combined
);
677 static struct usb_driver ftdi_driver
= {
679 .probe
= usb_serial_probe
,
680 .disconnect
= usb_serial_disconnect
,
681 .id_table
= id_table_combined
,
685 static const char *ftdi_chip_name
[] = {
686 [SIO
] = "SIO", /* the serial part of FT8U100AX */
687 [FT8U232AM
] = "FT8U232AM",
688 [FT232BM
] = "FT232BM",
689 [FT2232C
] = "FT2232C",
690 [FT232RL
] = "FT232RL",
694 /* Constants for read urb and write urb */
699 #define THROTTLED 0x01
700 #define ACTUALLY_THROTTLED 0x02
702 /* Used for TIOCMIWAIT */
703 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
704 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
707 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
708 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
710 /* function prototypes for a FTDI serial converter */
711 static int ftdi_sio_probe(struct usb_serial
*serial
,
712 const struct usb_device_id
*id
);
713 static void ftdi_shutdown(struct usb_serial
*serial
);
714 static int ftdi_sio_port_probe(struct usb_serial_port
*port
);
715 static int ftdi_sio_port_remove(struct usb_serial_port
*port
);
716 static int ftdi_open(struct tty_struct
*tty
,
717 struct usb_serial_port
*port
, struct file
*filp
);
718 static void ftdi_close(struct tty_struct
*tty
,
719 struct usb_serial_port
*port
, struct file
*filp
);
720 static int ftdi_write(struct tty_struct
*tty
, struct usb_serial_port
*port
,
721 const unsigned char *buf
, int count
);
722 static int ftdi_write_room(struct tty_struct
*tty
);
723 static int ftdi_chars_in_buffer(struct tty_struct
*tty
);
724 static void ftdi_write_bulk_callback(struct urb
*urb
);
725 static void ftdi_read_bulk_callback(struct urb
*urb
);
726 static void ftdi_process_read(struct work_struct
*work
);
727 static void ftdi_set_termios(struct tty_struct
*tty
,
728 struct usb_serial_port
*port
, struct ktermios
*old
);
729 static int ftdi_tiocmget(struct tty_struct
*tty
, struct file
*file
);
730 static int ftdi_tiocmset(struct tty_struct
*tty
, struct file
*file
,
731 unsigned int set
, unsigned int clear
);
732 static int ftdi_ioctl(struct tty_struct
*tty
, struct file
*file
,
733 unsigned int cmd
, unsigned long arg
);
734 static void ftdi_break_ctl(struct tty_struct
*tty
, int break_state
);
735 static void ftdi_throttle(struct tty_struct
*tty
);
736 static void ftdi_unthrottle(struct tty_struct
*tty
);
738 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud
, int base
);
739 static unsigned short int ftdi_232am_baud_to_divisor(int baud
);
740 static __u32
ftdi_232bm_baud_base_to_divisor(int baud
, int base
);
741 static __u32
ftdi_232bm_baud_to_divisor(int baud
);
743 static struct usb_serial_driver ftdi_sio_device
= {
745 .owner
= THIS_MODULE
,
748 .description
= "FTDI USB Serial Device",
749 .usb_driver
= &ftdi_driver
,
750 .id_table
= id_table_combined
,
752 .probe
= ftdi_sio_probe
,
753 .port_probe
= ftdi_sio_port_probe
,
754 .port_remove
= ftdi_sio_port_remove
,
757 .throttle
= ftdi_throttle
,
758 .unthrottle
= ftdi_unthrottle
,
760 .write_room
= ftdi_write_room
,
761 .chars_in_buffer
= ftdi_chars_in_buffer
,
762 .read_bulk_callback
= ftdi_read_bulk_callback
,
763 .write_bulk_callback
= ftdi_write_bulk_callback
,
764 .tiocmget
= ftdi_tiocmget
,
765 .tiocmset
= ftdi_tiocmset
,
767 .set_termios
= ftdi_set_termios
,
768 .break_ctl
= ftdi_break_ctl
,
769 .shutdown
= ftdi_shutdown
,
773 #define WDR_TIMEOUT 5000 /* default urb timeout */
774 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
776 /* High and low are for DTR, RTS etc etc */
780 /* number of outstanding urbs to prevent userspace DoS from happening */
781 #define URB_UPPER_LIMIT 42
784 * ***************************************************************************
786 * ***************************************************************************
789 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud
, int base
)
791 unsigned short int divisor
;
792 /* divisor shifted 3 bits to the left */
793 int divisor3
= base
/ 2 / baud
;
794 if ((divisor3
& 0x7) == 7)
795 divisor3
++; /* round x.7/8 up to x+1 */
796 divisor
= divisor3
>> 3;
800 else if (divisor3
>= 4)
802 else if (divisor3
!= 0)
804 else if (divisor
== 1)
805 divisor
= 0; /* special case for maximum baud rate */
809 static unsigned short int ftdi_232am_baud_to_divisor(int baud
)
811 return ftdi_232am_baud_base_to_divisor(baud
, 48000000);
814 static __u32
ftdi_232bm_baud_base_to_divisor(int baud
, int base
)
816 static const unsigned char divfrac
[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
818 /* divisor shifted 3 bits to the left */
819 int divisor3
= base
/ 2 / baud
;
820 divisor
= divisor3
>> 3;
821 divisor
|= (__u32
)divfrac
[divisor3
& 0x7] << 14;
822 /* Deal with special cases for highest baud rates. */
825 else if (divisor
== 0x4001)
830 static __u32
ftdi_232bm_baud_to_divisor(int baud
)
832 return ftdi_232bm_baud_base_to_divisor(baud
, 48000000);
835 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
836 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
838 static int update_mctrl(struct usb_serial_port
*port
, unsigned int set
,
841 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
846 if (((set
| clear
) & (TIOCM_DTR
| TIOCM_RTS
)) == 0) {
847 dbg("%s - DTR|RTS not being set|cleared", __func__
);
848 return 0; /* no change */
851 buf
= kmalloc(1, GFP_NOIO
);
855 clear
&= ~set
; /* 'set' takes precedence over 'clear' */
857 if (clear
& TIOCM_DTR
)
858 urb_value
|= FTDI_SIO_SET_DTR_LOW
;
859 if (clear
& TIOCM_RTS
)
860 urb_value
|= FTDI_SIO_SET_RTS_LOW
;
862 urb_value
|= FTDI_SIO_SET_DTR_HIGH
;
864 urb_value
|= FTDI_SIO_SET_RTS_HIGH
;
865 rv
= usb_control_msg(port
->serial
->dev
,
866 usb_sndctrlpipe(port
->serial
->dev
, 0),
867 FTDI_SIO_SET_MODEM_CTRL_REQUEST
,
868 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE
,
869 urb_value
, priv
->interface
,
870 buf
, 0, WDR_TIMEOUT
);
874 dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
876 (set
& TIOCM_DTR
) ? "HIGH" :
877 (clear
& TIOCM_DTR
) ? "LOW" : "unchanged",
878 (set
& TIOCM_RTS
) ? "HIGH" :
879 (clear
& TIOCM_RTS
) ? "LOW" : "unchanged");
881 dbg("%s - DTR %s, RTS %s", __func__
,
882 (set
& TIOCM_DTR
) ? "HIGH" :
883 (clear
& TIOCM_DTR
) ? "LOW" : "unchanged",
884 (set
& TIOCM_RTS
) ? "HIGH" :
885 (clear
& TIOCM_RTS
) ? "LOW" : "unchanged");
886 /* FIXME: locking on last_dtr_rts */
887 priv
->last_dtr_rts
= (priv
->last_dtr_rts
& ~clear
) | set
;
893 static __u32
get_ftdi_divisor(struct tty_struct
*tty
,
894 struct usb_serial_port
*port
)
895 { /* get_ftdi_divisor */
896 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
902 * The logic involved in setting the baudrate can be cleanly split into
904 * 1. Standard baud rates are set in tty->termios->c_cflag
905 * 2. If these are not enough, you can set any speed using alt_speed as
907 * - set tty->termios->c_cflag speed to B38400
908 * - set your real speed in tty->alt_speed; it gets ignored when
910 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
912 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
913 * this just sets alt_speed to (HI: 57600, VHI: 115200,
914 * SHI: 230400, WARP: 460800)
915 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
916 * 3. You can also set baud rate by setting custom divisor as follows
917 * - set tty->termios->c_cflag speed to B38400
918 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
920 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
921 * o custom_divisor set to baud_base / your_new_baudrate
922 * ** Step 3 is done courtesy of code borrowed from serial.c
923 * I should really spend some time and separate + move this common
924 * code to serial.c, it is replicated in nearly every serial driver
928 /* 1. Get the baud rate from the tty settings, this observes
931 baud
= tty_get_baud_rate(tty
);
932 dbg("%s - tty_get_baud_rate reports speed %d", __func__
, baud
);
934 /* 2. Observe async-compatible custom_divisor hack, update baudrate
938 ((priv
->flags
& ASYNC_SPD_MASK
) == ASYNC_SPD_CUST
) &&
939 (priv
->custom_divisor
)) {
940 baud
= priv
->baud_base
/ priv
->custom_divisor
;
941 dbg("%s - custom divisor %d sets baud rate to %d",
942 __func__
, priv
->custom_divisor
, baud
);
945 /* 3. Convert baudrate to device-specific divisor */
949 switch (priv
->chip_type
) {
950 case SIO
: /* SIO chip */
952 case 300: div_value
= ftdi_sio_b300
; break;
953 case 600: div_value
= ftdi_sio_b600
; break;
954 case 1200: div_value
= ftdi_sio_b1200
; break;
955 case 2400: div_value
= ftdi_sio_b2400
; break;
956 case 4800: div_value
= ftdi_sio_b4800
; break;
957 case 9600: div_value
= ftdi_sio_b9600
; break;
958 case 19200: div_value
= ftdi_sio_b19200
; break;
959 case 38400: div_value
= ftdi_sio_b38400
; break;
960 case 57600: div_value
= ftdi_sio_b57600
; break;
961 case 115200: div_value
= ftdi_sio_b115200
; break;
963 if (div_value
== 0) {
964 dbg("%s - Baudrate (%d) requested is not supported",
966 div_value
= ftdi_sio_b9600
;
971 case FT8U232AM
: /* 8U232AM chip */
972 if (baud
<= 3000000) {
973 div_value
= ftdi_232am_baud_to_divisor(baud
);
975 dbg("%s - Baud rate too high!", __func__
);
977 div_value
= ftdi_232am_baud_to_divisor(9600);
981 case FT232BM
: /* FT232BM chip */
982 case FT2232C
: /* FT2232C chip */
984 if (baud
<= 3000000) {
985 div_value
= ftdi_232bm_baud_to_divisor(baud
);
987 dbg("%s - Baud rate too high!", __func__
);
988 div_value
= ftdi_232bm_baud_to_divisor(9600);
993 } /* priv->chip_type */
996 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
997 __func__
, baud
, (unsigned long)div_value
,
998 ftdi_chip_name
[priv
->chip_type
]);
1001 tty_encode_baud_rate(tty
, baud
, baud
);
1005 static int change_speed(struct tty_struct
*tty
, struct usb_serial_port
*port
)
1007 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1011 __u32 urb_index_value
;
1014 buf
= kmalloc(1, GFP_NOIO
);
1018 urb_index_value
= get_ftdi_divisor(tty
, port
);
1019 urb_value
= (__u16
)urb_index_value
;
1020 urb_index
= (__u16
)(urb_index_value
>> 16);
1021 if (priv
->interface
) { /* FT2232C */
1022 urb_index
= (__u16
)((urb_index
<< 8) | priv
->interface
);
1025 rv
= usb_control_msg(port
->serial
->dev
,
1026 usb_sndctrlpipe(port
->serial
->dev
, 0),
1027 FTDI_SIO_SET_BAUDRATE_REQUEST
,
1028 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE
,
1029 urb_value
, urb_index
,
1030 buf
, 0, WDR_SHORT_TIMEOUT
);
1038 static int get_serial_info(struct usb_serial_port
*port
,
1039 struct serial_struct __user
*retinfo
)
1041 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1042 struct serial_struct tmp
;
1046 memset(&tmp
, 0, sizeof(tmp
));
1047 tmp
.flags
= priv
->flags
;
1048 tmp
.baud_base
= priv
->baud_base
;
1049 tmp
.custom_divisor
= priv
->custom_divisor
;
1050 if (copy_to_user(retinfo
, &tmp
, sizeof(*retinfo
)))
1053 } /* get_serial_info */
1056 static int set_serial_info(struct tty_struct
*tty
,
1057 struct usb_serial_port
*port
, struct serial_struct __user
*newinfo
)
1058 { /* set_serial_info */
1059 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1060 struct serial_struct new_serial
;
1061 struct ftdi_private old_priv
;
1063 if (copy_from_user(&new_serial
, newinfo
, sizeof(new_serial
)))
1069 /* Do error checking and permission checking */
1071 if (!capable(CAP_SYS_ADMIN
)) {
1072 if (((new_serial
.flags
& ~ASYNC_USR_MASK
) !=
1073 (priv
->flags
& ~ASYNC_USR_MASK
))) {
1077 priv
->flags
= ((priv
->flags
& ~ASYNC_USR_MASK
) |
1078 (new_serial
.flags
& ASYNC_USR_MASK
));
1079 priv
->custom_divisor
= new_serial
.custom_divisor
;
1080 goto check_and_exit
;
1083 if ((new_serial
.baud_base
!= priv
->baud_base
) &&
1084 (new_serial
.baud_base
< 9600)) {
1089 /* Make the changes - these are privileged changes! */
1091 priv
->flags
= ((priv
->flags
& ~ASYNC_FLAGS
) |
1092 (new_serial
.flags
& ASYNC_FLAGS
));
1093 priv
->custom_divisor
= new_serial
.custom_divisor
;
1095 tty
->low_latency
= (priv
->flags
& ASYNC_LOW_LATENCY
) ? 1 : 0;
1098 if ((old_priv
.flags
& ASYNC_SPD_MASK
) !=
1099 (priv
->flags
& ASYNC_SPD_MASK
)) {
1100 if ((priv
->flags
& ASYNC_SPD_MASK
) == ASYNC_SPD_HI
)
1101 tty
->alt_speed
= 57600;
1102 else if ((priv
->flags
& ASYNC_SPD_MASK
) == ASYNC_SPD_VHI
)
1103 tty
->alt_speed
= 115200;
1104 else if ((priv
->flags
& ASYNC_SPD_MASK
) == ASYNC_SPD_SHI
)
1105 tty
->alt_speed
= 230400;
1106 else if ((priv
->flags
& ASYNC_SPD_MASK
) == ASYNC_SPD_WARP
)
1107 tty
->alt_speed
= 460800;
1111 if (((old_priv
.flags
& ASYNC_SPD_MASK
) !=
1112 (priv
->flags
& ASYNC_SPD_MASK
)) ||
1113 (((priv
->flags
& ASYNC_SPD_MASK
) == ASYNC_SPD_CUST
) &&
1114 (old_priv
.custom_divisor
!= priv
->custom_divisor
))) {
1116 change_speed(tty
, port
);
1122 } /* set_serial_info */
1125 /* Determine type of FTDI chip based on USB config and descriptor. */
1126 static void ftdi_determine_type(struct usb_serial_port
*port
)
1128 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1129 struct usb_serial
*serial
= port
->serial
;
1130 struct usb_device
*udev
= serial
->dev
;
1132 unsigned interfaces
;
1134 /* Assume it is not the original SIO device for now. */
1135 priv
->baud_base
= 48000000 / 2;
1136 priv
->write_offset
= 0;
1138 version
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
1139 interfaces
= udev
->actconfig
->desc
.bNumInterfaces
;
1140 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__
,
1141 version
, interfaces
);
1142 if (interfaces
> 1) {
1145 /* Multiple interfaces. Assume FT2232C. */
1146 priv
->chip_type
= FT2232C
;
1147 /* Determine interface code. */
1148 inter
= serial
->interface
->altsetting
->desc
.bInterfaceNumber
;
1150 priv
->interface
= PIT_SIOA
;
1152 priv
->interface
= PIT_SIOB
;
1153 /* BM-type devices have a bug where bcdDevice gets set
1154 * to 0x200 when iSerialNumber is 0. */
1155 if (version
< 0x500) {
1156 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1159 } else if (version
< 0x200) {
1160 /* Old device. Assume its the original SIO. */
1161 priv
->chip_type
= SIO
;
1162 priv
->baud_base
= 12000000 / 16;
1163 priv
->write_offset
= 1;
1164 } else if (version
< 0x400) {
1165 /* Assume its an FT8U232AM (or FT8U245AM) */
1166 /* (It might be a BM because of the iSerialNumber bug,
1167 * but it will still work as an AM device.) */
1168 priv
->chip_type
= FT8U232AM
;
1169 } else if (version
< 0x600) {
1170 /* Assume its an FT232BM (or FT245BM) */
1171 priv
->chip_type
= FT232BM
;
1173 /* Assume its an FT232R */
1174 priv
->chip_type
= FT232RL
;
1176 dev_info(&udev
->dev
, "Detected %s\n", ftdi_chip_name
[priv
->chip_type
]);
1181 * ***************************************************************************
1183 * ***************************************************************************
1186 static ssize_t
show_latency_timer(struct device
*dev
,
1187 struct device_attribute
*attr
, char *buf
)
1189 struct usb_serial_port
*port
= to_usb_serial_port(dev
);
1190 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1191 struct usb_device
*udev
= port
->serial
->dev
;
1192 unsigned short latency
= 0;
1196 dbg("%s", __func__
);
1198 rv
= usb_control_msg(udev
,
1199 usb_rcvctrlpipe(udev
, 0),
1200 FTDI_SIO_GET_LATENCY_TIMER_REQUEST
,
1201 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE
,
1203 (char *) &latency
, 1, WDR_TIMEOUT
);
1206 dev_err(dev
, "Unable to read latency timer: %i\n", rv
);
1209 return sprintf(buf
, "%i\n", latency
);
1212 /* Write a new value of the latency timer, in units of milliseconds. */
1213 static ssize_t
store_latency_timer(struct device
*dev
,
1214 struct device_attribute
*attr
, const char *valbuf
,
1217 struct usb_serial_port
*port
= to_usb_serial_port(dev
);
1218 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1219 struct usb_device
*udev
= port
->serial
->dev
;
1221 int v
= simple_strtoul(valbuf
, NULL
, 10);
1224 dbg("%s: setting latency timer = %i", __func__
, v
);
1226 rv
= usb_control_msg(udev
,
1227 usb_sndctrlpipe(udev
, 0),
1228 FTDI_SIO_SET_LATENCY_TIMER_REQUEST
,
1229 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE
,
1231 buf
, 0, WDR_TIMEOUT
);
1234 dev_err(dev
, "Unable to write latency timer: %i\n", rv
);
1241 /* Write an event character directly to the FTDI register. The ASCII
1242 value is in the low 8 bits, with the enable bit in the 9th bit. */
1243 static ssize_t
store_event_char(struct device
*dev
,
1244 struct device_attribute
*attr
, const char *valbuf
, size_t count
)
1246 struct usb_serial_port
*port
= to_usb_serial_port(dev
);
1247 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1248 struct usb_device
*udev
= port
->serial
->dev
;
1250 int v
= simple_strtoul(valbuf
, NULL
, 10);
1253 dbg("%s: setting event char = %i", __func__
, v
);
1255 rv
= usb_control_msg(udev
,
1256 usb_sndctrlpipe(udev
, 0),
1257 FTDI_SIO_SET_EVENT_CHAR_REQUEST
,
1258 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE
,
1260 buf
, 0, WDR_TIMEOUT
);
1263 dbg("Unable to write event character: %i", rv
);
1270 static DEVICE_ATTR(latency_timer
, S_IWUSR
| S_IRUGO
, show_latency_timer
,
1271 store_latency_timer
);
1272 static DEVICE_ATTR(event_char
, S_IWUSR
, NULL
, store_event_char
);
1274 static int create_sysfs_attrs(struct usb_serial_port
*port
)
1276 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1279 dbg("%s", __func__
);
1281 /* XXX I've no idea if the original SIO supports the event_char
1282 * sysfs parameter, so I'm playing it safe. */
1283 if (priv
->chip_type
!= SIO
) {
1284 dbg("sysfs attributes for %s", ftdi_chip_name
[priv
->chip_type
]);
1285 retval
= device_create_file(&port
->dev
, &dev_attr_event_char
);
1287 (priv
->chip_type
== FT232BM
||
1288 priv
->chip_type
== FT2232C
||
1289 priv
->chip_type
== FT232RL
)) {
1290 retval
= device_create_file(&port
->dev
,
1291 &dev_attr_latency_timer
);
1297 static void remove_sysfs_attrs(struct usb_serial_port
*port
)
1299 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1301 dbg("%s", __func__
);
1303 /* XXX see create_sysfs_attrs */
1304 if (priv
->chip_type
!= SIO
) {
1305 device_remove_file(&port
->dev
, &dev_attr_event_char
);
1306 if (priv
->chip_type
== FT232BM
||
1307 priv
->chip_type
== FT2232C
||
1308 priv
->chip_type
== FT232RL
) {
1309 device_remove_file(&port
->dev
, &dev_attr_latency_timer
);
1316 * ***************************************************************************
1317 * FTDI driver specific functions
1318 * ***************************************************************************
1321 /* Probe function to check for special devices */
1322 static int ftdi_sio_probe(struct usb_serial
*serial
,
1323 const struct usb_device_id
*id
)
1325 struct ftdi_sio_quirk
*quirk
=
1326 (struct ftdi_sio_quirk
*)id
->driver_info
;
1328 if (quirk
&& quirk
->probe
) {
1329 int ret
= quirk
->probe(serial
);
1334 usb_set_serial_data(serial
, (void *)id
->driver_info
);
1339 static int ftdi_sio_port_probe(struct usb_serial_port
*port
)
1341 struct ftdi_private
*priv
;
1342 struct ftdi_sio_quirk
*quirk
= usb_get_serial_data(port
->serial
);
1345 dbg("%s", __func__
);
1347 priv
= kzalloc(sizeof(struct ftdi_private
), GFP_KERNEL
);
1349 dev_err(&port
->dev
, "%s- kmalloc(%Zd) failed.\n", __func__
,
1350 sizeof(struct ftdi_private
));
1354 spin_lock_init(&priv
->rx_lock
);
1355 spin_lock_init(&priv
->tx_lock
);
1356 init_waitqueue_head(&priv
->delta_msr_wait
);
1357 /* This will push the characters through immediately rather
1358 than queue a task to deliver them */
1359 priv
->flags
= ASYNC_LOW_LATENCY
;
1361 if (quirk
&& quirk
->port_probe
)
1362 quirk
->port_probe(priv
);
1364 /* Increase the size of read buffers */
1365 kfree(port
->bulk_in_buffer
);
1366 port
->bulk_in_buffer
= kmalloc(BUFSZ
, GFP_KERNEL
);
1367 if (!port
->bulk_in_buffer
) {
1371 if (port
->read_urb
) {
1372 port
->read_urb
->transfer_buffer
= port
->bulk_in_buffer
;
1373 port
->read_urb
->transfer_buffer_length
= BUFSZ
;
1376 INIT_DELAYED_WORK(&priv
->rx_work
, ftdi_process_read
);
1379 /* Free port's existing write urb and transfer buffer. */
1380 if (port
->write_urb
) {
1381 usb_free_urb(port
->write_urb
);
1382 port
->write_urb
= NULL
;
1384 kfree(port
->bulk_out_buffer
);
1385 port
->bulk_out_buffer
= NULL
;
1387 usb_set_serial_port_data(port
, priv
);
1389 ftdi_determine_type(port
);
1390 create_sysfs_attrs(port
);
1394 /* Setup for the USB-UIRT device, which requires hardwired
1395 * baudrate (38400 gets mapped to 312500) */
1396 /* Called from usbserial:serial_probe */
1397 static void ftdi_USB_UIRT_setup(struct ftdi_private
*priv
)
1399 dbg("%s", __func__
);
1401 priv
->flags
|= ASYNC_SPD_CUST
;
1402 priv
->custom_divisor
= 77;
1403 priv
->force_baud
= 38400;
1404 } /* ftdi_USB_UIRT_setup */
1406 /* Setup for the HE-TIRA1 device, which requires hardwired
1407 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
1409 static void ftdi_HE_TIRA1_setup(struct ftdi_private
*priv
)
1411 dbg("%s", __func__
);
1413 priv
->flags
|= ASYNC_SPD_CUST
;
1414 priv
->custom_divisor
= 240;
1415 priv
->force_baud
= 38400;
1416 priv
->force_rtscts
= 1;
1417 } /* ftdi_HE_TIRA1_setup */
1420 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1421 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1422 * userspace using openocd.
1424 static int ftdi_jtag_probe(struct usb_serial
*serial
)
1426 struct usb_device
*udev
= serial
->dev
;
1427 struct usb_interface
*interface
= serial
->interface
;
1429 dbg("%s", __func__
);
1431 if (interface
== udev
->actconfig
->interface
[0]) {
1432 dev_info(&udev
->dev
,
1433 "Ignoring serial port reserved for JTAG\n");
1441 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1442 * We have to correct it if we want to read from it.
1444 static int ftdi_mtxorb_hack_setup(struct usb_serial
*serial
)
1446 struct usb_host_endpoint
*ep
= serial
->dev
->ep_in
[1];
1447 struct usb_endpoint_descriptor
*ep_desc
= &ep
->desc
;
1449 if (ep
->enabled
&& ep_desc
->wMaxPacketSize
== 0) {
1450 ep_desc
->wMaxPacketSize
= cpu_to_le16(0x40);
1451 dev_info(&serial
->dev
->dev
,
1452 "Fixing invalid wMaxPacketSize on read pipe\n");
1458 /* ftdi_shutdown is called from usbserial:usb_serial_disconnect
1459 * it is called when the usb device is disconnected
1461 * usbserial:usb_serial_disconnect
1462 * calls __serial_close for each open of the port
1463 * shutdown is called then (ie ftdi_shutdown)
1465 static void ftdi_shutdown(struct usb_serial
*serial
)
1467 dbg("%s", __func__
);
1470 static int ftdi_sio_port_remove(struct usb_serial_port
*port
)
1472 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1474 dbg("%s", __func__
);
1476 remove_sysfs_attrs(port
);
1478 /* all open ports are closed at this point
1479 * (by usbserial.c:__serial_close, which calls ftdi_close)
1483 usb_set_serial_port_data(port
, NULL
);
1490 static int ftdi_open(struct tty_struct
*tty
,
1491 struct usb_serial_port
*port
, struct file
*filp
)
1493 struct usb_device
*dev
= port
->serial
->dev
;
1494 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1495 unsigned long flags
;
1498 char buf
[1]; /* Needed for the usb_control_msg I think */
1500 dbg("%s", __func__
);
1502 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1504 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1505 spin_lock_irqsave(&priv
->rx_lock
, flags
);
1507 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
1510 tty
->low_latency
= (priv
->flags
& ASYNC_LOW_LATENCY
) ? 1 : 0;
1512 /* No error checking for this (will get errors later anyway) */
1513 /* See ftdi_sio.h for description of what is reset */
1514 usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
1515 FTDI_SIO_RESET_REQUEST
, FTDI_SIO_RESET_REQUEST_TYPE
,
1517 priv
->interface
, buf
, 0, WDR_TIMEOUT
);
1519 /* Termios defaults are set by usb_serial_init. We don't change
1520 port->tty->termios - this would lose speed settings, etc.
1521 This is same behaviour as serial.c/rs_open() - Kuba */
1523 /* ftdi_set_termios will send usb control messages */
1525 ftdi_set_termios(tty
, port
, tty
->termios
);
1527 /* FIXME: Flow control might be enabled, so it should be checked -
1528 we have no control of defaults! */
1529 /* Turn on RTS and DTR since we are not flow controlling by default */
1530 set_mctrl(port
, TIOCM_DTR
| TIOCM_RTS
);
1533 spin_lock_irqsave(&priv
->rx_lock
, flags
);
1534 priv
->rx_flags
&= ~(THROTTLED
| ACTUALLY_THROTTLED
);
1535 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
1537 /* Start reading from the device */
1538 priv
->rx_processed
= 0;
1539 usb_fill_bulk_urb(port
->read_urb
, dev
,
1540 usb_rcvbulkpipe(dev
, port
->bulk_in_endpointAddress
),
1541 port
->read_urb
->transfer_buffer
,
1542 port
->read_urb
->transfer_buffer_length
,
1543 ftdi_read_bulk_callback
, port
);
1544 result
= usb_submit_urb(port
->read_urb
, GFP_KERNEL
);
1547 "%s - failed submitting read urb, error %d\n",
1557 * usbserial:__serial_close only calls ftdi_close if the point is open
1559 * This only gets called when it is the last close
1564 static void ftdi_close(struct tty_struct
*tty
,
1565 struct usb_serial_port
*port
, struct file
*filp
)
1567 unsigned int c_cflag
= tty
->termios
->c_cflag
;
1568 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1571 dbg("%s", __func__
);
1573 mutex_lock(&port
->serial
->disc_mutex
);
1574 if (c_cflag
& HUPCL
&& !port
->serial
->disconnected
) {
1575 /* Disable flow control */
1576 if (usb_control_msg(port
->serial
->dev
,
1577 usb_sndctrlpipe(port
->serial
->dev
, 0),
1578 FTDI_SIO_SET_FLOW_CTRL_REQUEST
,
1579 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE
,
1580 0, priv
->interface
, buf
, 0,
1582 dev_err(&port
->dev
, "error from flowcontrol urb\n");
1585 /* drop RTS and DTR */
1586 clear_mctrl(port
, TIOCM_DTR
| TIOCM_RTS
);
1587 } /* Note change no line if hupcl is off */
1588 mutex_unlock(&port
->serial
->disc_mutex
);
1590 /* cancel any scheduled reading */
1591 cancel_delayed_work(&priv
->rx_work
);
1592 flush_scheduled_work();
1594 /* shutdown our bulk read */
1595 usb_kill_urb(port
->read_urb
);
1600 /* The SIO requires the first byte to have:
1603 * B2..7 length of message excluding byte 0
1605 * The new devices do not require this byte
1607 static int ftdi_write(struct tty_struct
*tty
, struct usb_serial_port
*port
,
1608 const unsigned char *buf
, int count
)
1610 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1612 unsigned char *buffer
;
1613 int data_offset
; /* will be 1 for the SIO and 0 otherwise */
1616 unsigned long flags
;
1618 dbg("%s port %d, %d bytes", __func__
, port
->number
, count
);
1621 dbg("write request of 0 bytes");
1624 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1625 if (priv
->tx_outstanding_urbs
> URB_UPPER_LIMIT
) {
1626 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1627 dbg("%s - write limit hit\n", __func__
);
1630 priv
->tx_outstanding_urbs
++;
1631 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1633 data_offset
= priv
->write_offset
;
1634 dbg("data_offset set to %d", data_offset
);
1636 /* Determine total transfer size */
1637 transfer_size
= count
;
1638 if (data_offset
> 0) {
1639 /* Original sio needs control bytes too... */
1640 transfer_size
+= (data_offset
*
1641 ((count
+ (PKTSZ
- 1 - data_offset
)) /
1642 (PKTSZ
- data_offset
)));
1645 buffer
= kmalloc(transfer_size
, GFP_ATOMIC
);
1648 "%s ran out of kernel memory for urb ...\n", __func__
);
1650 goto error_no_buffer
;
1653 urb
= usb_alloc_urb(0, GFP_ATOMIC
);
1655 dev_err(&port
->dev
, "%s - no more free urbs\n", __func__
);
1661 if (data_offset
> 0) {
1662 /* Original sio requires control byte at start of
1664 int user_pktsz
= PKTSZ
- data_offset
;
1666 unsigned char *first_byte
= buffer
;
1667 const unsigned char *current_position
= buf
;
1670 if (user_pktsz
> todo
)
1672 /* Write the control byte at the front of the packet*/
1673 *first_byte
= 1 | ((user_pktsz
) << 2);
1674 /* Copy data for packet */
1675 memcpy(first_byte
+ data_offset
,
1676 current_position
, user_pktsz
);
1677 first_byte
+= user_pktsz
+ data_offset
;
1678 current_position
+= user_pktsz
;
1682 /* No control byte required. */
1683 /* Copy in the data to send */
1684 memcpy(buffer
, buf
, count
);
1687 usb_serial_debug_data(debug
, &port
->dev
, __func__
,
1688 transfer_size
, buffer
);
1690 /* fill the buffer and send it */
1691 usb_fill_bulk_urb(urb
, port
->serial
->dev
,
1692 usb_sndbulkpipe(port
->serial
->dev
,
1693 port
->bulk_out_endpointAddress
),
1694 buffer
, transfer_size
,
1695 ftdi_write_bulk_callback
, port
);
1697 status
= usb_submit_urb(urb
, GFP_ATOMIC
);
1700 "%s - failed submitting write urb, error %d\n",
1705 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1706 priv
->tx_outstanding_bytes
+= count
;
1707 priv
->tx_bytes
+= count
;
1708 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1711 /* we are done with this urb, so let the host driver
1712 * really free it when it is finished with it */
1715 dbg("%s write returning: %d", __func__
, count
);
1722 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1723 priv
->tx_outstanding_urbs
--;
1724 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1729 /* This function may get called when the device is closed */
1731 static void ftdi_write_bulk_callback(struct urb
*urb
)
1733 unsigned long flags
;
1734 struct usb_serial_port
*port
= urb
->context
;
1735 struct ftdi_private
*priv
;
1736 int data_offset
; /* will be 1 for the SIO and 0 otherwise */
1737 unsigned long countback
;
1738 int status
= urb
->status
;
1740 /* free up the transfer buffer, as usb_free_urb() does not do this */
1741 kfree(urb
->transfer_buffer
);
1743 dbg("%s - port %d", __func__
, port
->number
);
1746 dbg("nonzero write bulk status received: %d", status
);
1750 priv
= usb_get_serial_port_data(port
);
1752 dbg("%s - bad port private data pointer - exiting", __func__
);
1755 /* account for transferred data */
1756 countback
= urb
->actual_length
;
1757 data_offset
= priv
->write_offset
;
1758 if (data_offset
> 0) {
1759 /* Subtract the control bytes */
1760 countback
-= (data_offset
* DIV_ROUND_UP(countback
, PKTSZ
));
1762 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1763 --priv
->tx_outstanding_urbs
;
1764 priv
->tx_outstanding_bytes
-= countback
;
1765 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1767 usb_serial_port_softint(port
);
1768 } /* ftdi_write_bulk_callback */
1771 static int ftdi_write_room(struct tty_struct
*tty
)
1773 struct usb_serial_port
*port
= tty
->driver_data
;
1774 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1776 unsigned long flags
;
1778 dbg("%s - port %d", __func__
, port
->number
);
1780 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1781 if (priv
->tx_outstanding_urbs
< URB_UPPER_LIMIT
) {
1783 * We really can take anything the user throws at us
1784 * but let's pick a nice big number to tell the tty
1785 * layer that we have lots of free space
1791 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1795 static int ftdi_chars_in_buffer(struct tty_struct
*tty
)
1797 struct usb_serial_port
*port
= tty
->driver_data
;
1798 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
1800 unsigned long flags
;
1802 dbg("%s - port %d", __func__
, port
->number
);
1804 spin_lock_irqsave(&priv
->tx_lock
, flags
);
1805 buffered
= (int)priv
->tx_outstanding_bytes
;
1806 spin_unlock_irqrestore(&priv
->tx_lock
, flags
);
1808 dev_err(&port
->dev
, "%s outstanding tx bytes is negative!\n",
1815 static void ftdi_read_bulk_callback(struct urb
*urb
)
1817 struct usb_serial_port
*port
= urb
->context
;
1818 struct tty_struct
*tty
;
1819 struct ftdi_private
*priv
;
1820 unsigned long countread
;
1821 unsigned long flags
;
1822 int status
= urb
->status
;
1824 if (urb
->number_of_packets
> 0) {
1825 dev_err(&port
->dev
, "%s transfer_buffer_length %d "
1826 "actual_length %d number of packets %d\n", __func__
,
1827 urb
->transfer_buffer_length
,
1828 urb
->actual_length
, urb
->number_of_packets
);
1829 dev_err(&port
->dev
, "%s transfer_flags %x\n", __func__
,
1830 urb
->transfer_flags
);
1833 dbg("%s - port %d", __func__
, port
->number
);
1835 if (port
->port
.count
<= 0)
1838 tty
= tty_port_tty_get(&port
->port
);
1840 dbg("%s - bad tty pointer - exiting", __func__
);
1844 priv
= usb_get_serial_port_data(port
);
1846 dbg("%s - bad port private data pointer - exiting", __func__
);
1850 if (urb
!= port
->read_urb
)
1851 dev_err(&port
->dev
, "%s - Not my urb!\n", __func__
);
1854 /* This will happen at close every time so it is a dbg not an
1856 dbg("(this is ok on close) nonzero read bulk status received: %d", status
);
1860 /* count data bytes, but not status bytes */
1861 countread
= urb
->actual_length
;
1862 countread
-= 2 * DIV_ROUND_UP(countread
, PKTSZ
);
1863 spin_lock_irqsave(&priv
->rx_lock
, flags
);
1864 priv
->rx_bytes
+= countread
;
1865 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
1867 ftdi_process_read(&priv
->rx_work
.work
);
1870 } /* ftdi_read_bulk_callback */
1873 static void ftdi_process_read(struct work_struct
*work
)
1874 { /* ftdi_process_read */
1875 struct ftdi_private
*priv
=
1876 container_of(work
, struct ftdi_private
, rx_work
.work
);
1877 struct usb_serial_port
*port
= priv
->port
;
1879 struct tty_struct
*tty
;
1881 unsigned char *data
;
1887 unsigned long flags
;
1889 dbg("%s - port %d", __func__
, port
->number
);
1891 if (port
->port
.count
<= 0)
1894 tty
= tty_port_tty_get(&port
->port
);
1896 dbg("%s - bad tty pointer - exiting", __func__
);
1900 priv
= usb_get_serial_port_data(port
);
1902 dbg("%s - bad port private data pointer - exiting", __func__
);
1906 urb
= port
->read_urb
;
1908 dbg("%s - bad read_urb pointer - exiting", __func__
);
1912 data
= urb
->transfer_buffer
;
1914 if (priv
->rx_processed
) {
1915 dbg("%s - already processed: %d bytes, %d remain", __func__
,
1917 urb
->actual_length
- priv
->rx_processed
);
1919 /* The first two bytes of every read packet are status */
1920 if (urb
->actual_length
> 2)
1921 usb_serial_debug_data(debug
, &port
->dev
, __func__
,
1922 urb
->actual_length
, data
);
1924 dbg("Status only: %03oo %03oo", data
[0], data
[1]);
1928 /* TO DO -- check for hung up line and handle appropriately: */
1930 /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */
1931 /* if CD is dropped and the line is not CLOCAL then we should hangup */
1934 for (packet_offset
= priv
->rx_processed
;
1935 packet_offset
< urb
->actual_length
; packet_offset
+= PKTSZ
) {
1938 /* Compare new line status to the old one, signal if different/
1939 N.B. packet may be processed more than once, but differences
1940 are only processed once. */
1941 char new_status
= data
[packet_offset
+ 0] &
1942 FTDI_STATUS_B0_MASK
;
1943 if (new_status
!= priv
->prev_status
) {
1944 priv
->diff_status
|=
1945 new_status
^ priv
->prev_status
;
1946 wake_up_interruptible(&priv
->delta_msr_wait
);
1947 priv
->prev_status
= new_status
;
1950 length
= min_t(u32
, PKTSZ
, urb
->actual_length
-packet_offset
)-2;
1952 dev_err(&port
->dev
, "%s - bad packet length: %d\n",
1953 __func__
, length
+2);
1957 if (priv
->rx_flags
& THROTTLED
) {
1958 dbg("%s - throttled", __func__
);
1961 if (tty_buffer_request_room(tty
, length
) < length
) {
1962 /* break out & wait for throttling/unthrottling to
1964 dbg("%s - receive room low", __func__
);
1968 /* Handle errors and break */
1969 error_flag
= TTY_NORMAL
;
1970 /* Although the device uses a bitmask and hence can have
1971 multiple errors on a packet - the order here sets the
1972 priority the error is returned to the tty layer */
1974 if (data
[packet_offset
+1] & FTDI_RS_OE
) {
1975 error_flag
= TTY_OVERRUN
;
1976 dbg("OVERRRUN error");
1978 if (data
[packet_offset
+1] & FTDI_RS_BI
) {
1979 error_flag
= TTY_BREAK
;
1980 dbg("BREAK received");
1982 if (data
[packet_offset
+1] & FTDI_RS_PE
) {
1983 error_flag
= TTY_PARITY
;
1984 dbg("PARITY error");
1986 if (data
[packet_offset
+1] & FTDI_RS_FE
) {
1987 error_flag
= TTY_FRAME
;
1988 dbg("FRAMING error");
1991 for (i
= 2; i
< length
+2; i
++) {
1992 /* Note that the error flag is duplicated for
1993 every character received since we don't know
1994 which character it applied to */
1995 tty_insert_flip_char(tty
,
1996 data
[packet_offset
+ i
], error_flag
);
2001 #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW
2002 /* if a parity error is detected you get status packets forever
2003 until a character is sent without a parity error.
2004 This doesn't work well since the application receives a
2005 never ending stream of bad data - even though new data
2006 hasn't been sent. Therefore I (bill) have taken this out.
2007 However - this might make sense for framing errors and so on
2008 so I am leaving the code in for now.
2011 if (error_flag
!= TTY_NORMAL
) {
2012 dbg("error_flag is not normal");
2013 /* In this case it is just status - if that is
2014 an error send a bad character */
2015 if (tty
->flip
.count
>= TTY_FLIPBUF_SIZE
)
2016 tty_flip_buffer_push(tty
);
2017 tty_insert_flip_char(tty
, 0xff, error_flag
);
2022 } /* "for(packet_offset=0..." */
2026 tty_flip_buffer_push(tty
);
2028 if (packet_offset
< urb
->actual_length
) {
2029 /* not completely processed - record progress */
2030 priv
->rx_processed
= packet_offset
;
2031 dbg("%s - incomplete, %d bytes processed, %d remain",
2032 __func__
, packet_offset
,
2033 urb
->actual_length
- packet_offset
);
2034 /* check if we were throttled while processing */
2035 spin_lock_irqsave(&priv
->rx_lock
, flags
);
2036 if (priv
->rx_flags
& THROTTLED
) {
2037 priv
->rx_flags
|= ACTUALLY_THROTTLED
;
2038 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
2039 dbg("%s - deferring remainder until unthrottled",
2043 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
2044 /* if the port is closed stop trying to read */
2045 if (port
->port
.count
> 0)
2046 /* delay processing of remainder */
2047 schedule_delayed_work(&priv
->rx_work
, 1);
2049 dbg("%s - port is closed", __func__
);
2053 /* urb is completely processed */
2054 priv
->rx_processed
= 0;
2056 /* if the port is closed stop trying to read */
2057 if (port
->port
.count
> 0) {
2058 /* Continue trying to always read */
2059 usb_fill_bulk_urb(port
->read_urb
, port
->serial
->dev
,
2060 usb_rcvbulkpipe(port
->serial
->dev
,
2061 port
->bulk_in_endpointAddress
),
2062 port
->read_urb
->transfer_buffer
,
2063 port
->read_urb
->transfer_buffer_length
,
2064 ftdi_read_bulk_callback
, port
);
2066 result
= usb_submit_urb(port
->read_urb
, GFP_ATOMIC
);
2069 "%s - failed resubmitting read urb, error %d\n",
2074 } /* ftdi_process_read */
2077 static void ftdi_break_ctl(struct tty_struct
*tty
, int break_state
)
2079 struct usb_serial_port
*port
= tty
->driver_data
;
2080 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
2081 __u16 urb_value
= 0;
2084 /* break_state = -1 to turn on break, and 0 to turn off break */
2085 /* see drivers/char/tty_io.c to see it used */
2086 /* last_set_data_urb_value NEVER has the break bit set in it */
2089 urb_value
= priv
->last_set_data_urb_value
| FTDI_SIO_SET_BREAK
;
2091 urb_value
= priv
->last_set_data_urb_value
;
2093 if (usb_control_msg(port
->serial
->dev
,
2094 usb_sndctrlpipe(port
->serial
->dev
, 0),
2095 FTDI_SIO_SET_DATA_REQUEST
,
2096 FTDI_SIO_SET_DATA_REQUEST_TYPE
,
2097 urb_value
, priv
->interface
,
2098 buf
, 0, WDR_TIMEOUT
) < 0) {
2099 dev_err(&port
->dev
, "%s FAILED to enable/disable break state "
2100 "(state was %d)\n", __func__
, break_state
);
2103 dbg("%s break state is %d - urb is %d", __func__
,
2104 break_state
, urb_value
);
2109 /* old_termios contains the original termios settings and tty->termios contains
2110 * the new setting to be used
2111 * WARNING: set_termios calls this with old_termios in kernel space
2114 static void ftdi_set_termios(struct tty_struct
*tty
,
2115 struct usb_serial_port
*port
, struct ktermios
*old_termios
)
2116 { /* ftdi_termios */
2117 struct usb_device
*dev
= port
->serial
->dev
;
2118 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
2119 struct ktermios
*termios
= tty
->termios
;
2120 unsigned int cflag
= termios
->c_cflag
;
2121 __u16 urb_value
; /* will hold the new flags */
2122 char buf
[1]; /* Perhaps I should dynamically alloc this? */
2124 /* Added for xon/xoff support */
2125 unsigned int iflag
= termios
->c_iflag
;
2126 unsigned char vstop
;
2127 unsigned char vstart
;
2129 dbg("%s", __func__
);
2131 /* Force baud rate if this device requires it, unless it is set to
2133 if (priv
->force_baud
&& ((termios
->c_cflag
& CBAUD
) != B0
)) {
2134 dbg("%s: forcing baud rate for this device", __func__
);
2135 tty_encode_baud_rate(tty
, priv
->force_baud
,
2139 /* Force RTS-CTS if this device requires it. */
2140 if (priv
->force_rtscts
) {
2141 dbg("%s: forcing rtscts for this device", __func__
);
2142 termios
->c_cflag
|= CRTSCTS
;
2145 cflag
= termios
->c_cflag
;
2147 /* FIXME -For this cut I don't care if the line is really changing or
2148 not - so just do the change regardless - should be able to
2149 compare old_termios and tty->termios */
2150 /* NOTE These routines can get interrupted by
2151 ftdi_sio_read_bulk_callback - need to examine what this means -
2152 don't see any problems yet */
2154 /* Set number of data bits, parity, stop bits */
2156 termios
->c_cflag
&= ~CMSPAR
;
2159 urb_value
|= (cflag
& CSTOPB
? FTDI_SIO_SET_DATA_STOP_BITS_2
:
2160 FTDI_SIO_SET_DATA_STOP_BITS_1
);
2161 urb_value
|= (cflag
& PARENB
?
2162 (cflag
& PARODD
? FTDI_SIO_SET_DATA_PARITY_ODD
:
2163 FTDI_SIO_SET_DATA_PARITY_EVEN
) :
2164 FTDI_SIO_SET_DATA_PARITY_NONE
);
2165 if (cflag
& CSIZE
) {
2166 switch (cflag
& CSIZE
) {
2167 case CS5
: urb_value
|= 5; dbg("Setting CS5"); break;
2168 case CS6
: urb_value
|= 6; dbg("Setting CS6"); break;
2169 case CS7
: urb_value
|= 7; dbg("Setting CS7"); break;
2170 case CS8
: urb_value
|= 8; dbg("Setting CS8"); break;
2172 dev_err(&port
->dev
, "CSIZE was set but not CS5-CS8\n");
2176 /* This is needed by the break command since it uses the same command
2177 - but is or'ed with this value */
2178 priv
->last_set_data_urb_value
= urb_value
;
2180 if (usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
2181 FTDI_SIO_SET_DATA_REQUEST
,
2182 FTDI_SIO_SET_DATA_REQUEST_TYPE
,
2183 urb_value
, priv
->interface
,
2184 buf
, 0, WDR_SHORT_TIMEOUT
) < 0) {
2185 dev_err(&port
->dev
, "%s FAILED to set "
2186 "databits/stopbits/parity\n", __func__
);
2189 /* Now do the baudrate */
2190 if ((cflag
& CBAUD
) == B0
) {
2191 /* Disable flow control */
2192 if (usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
2193 FTDI_SIO_SET_FLOW_CTRL_REQUEST
,
2194 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE
,
2196 buf
, 0, WDR_TIMEOUT
) < 0) {
2198 "%s error from disable flowcontrol urb\n",
2201 /* Drop RTS and DTR */
2202 clear_mctrl(port
, TIOCM_DTR
| TIOCM_RTS
);
2204 /* set the baudrate determined before */
2205 if (change_speed(tty
, port
))
2206 dev_err(&port
->dev
, "%s urb failed to set baudrate\n",
2208 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2209 if (!old_termios
|| (old_termios
->c_cflag
& CBAUD
) == B0
)
2210 set_mctrl(port
, TIOCM_DTR
| TIOCM_RTS
);
2213 /* Set flow control */
2214 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2215 if (cflag
& CRTSCTS
) {
2216 dbg("%s Setting to CRTSCTS flow control", __func__
);
2217 if (usb_control_msg(dev
,
2218 usb_sndctrlpipe(dev
, 0),
2219 FTDI_SIO_SET_FLOW_CTRL_REQUEST
,
2220 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE
,
2221 0 , (FTDI_SIO_RTS_CTS_HS
| priv
->interface
),
2222 buf
, 0, WDR_TIMEOUT
) < 0) {
2224 "urb failed to set to rts/cts flow control\n");
2231 * Check the IXOFF status in the iflag component of the
2232 * termios structure. If IXOFF is not set, the pre-xon/xoff
2235 if (iflag
& IXOFF
) {
2236 dbg("%s request to enable xonxoff iflag=%04x",
2238 /* Try to enable the XON/XOFF on the ftdi_sio
2239 * Set the vstart and vstop -- could have been done up
2240 * above where a lot of other dereferencing is done but
2241 * that would be very inefficient as vstart and vstop
2242 * are not always needed.
2244 vstart
= termios
->c_cc
[VSTART
];
2245 vstop
= termios
->c_cc
[VSTOP
];
2246 urb_value
= (vstop
<< 8) | (vstart
);
2248 if (usb_control_msg(dev
,
2249 usb_sndctrlpipe(dev
, 0),
2250 FTDI_SIO_SET_FLOW_CTRL_REQUEST
,
2251 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE
,
2252 urb_value
, (FTDI_SIO_XON_XOFF_HS
2254 buf
, 0, WDR_TIMEOUT
) < 0) {
2255 dev_err(&port
->dev
, "urb failed to set to "
2256 "xon/xoff flow control\n");
2259 /* else clause to only run if cflag ! CRTSCTS and iflag
2260 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2261 * stack - not by device */
2262 dbg("%s Turning off hardware flow control", __func__
);
2263 if (usb_control_msg(dev
,
2264 usb_sndctrlpipe(dev
, 0),
2265 FTDI_SIO_SET_FLOW_CTRL_REQUEST
,
2266 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE
,
2268 buf
, 0, WDR_TIMEOUT
) < 0) {
2270 "urb failed to clear flow control\n");
2278 static int ftdi_tiocmget(struct tty_struct
*tty
, struct file
*file
)
2280 struct usb_serial_port
*port
= tty
->driver_data
;
2281 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
2282 unsigned char buf
[2];
2285 dbg("%s TIOCMGET", __func__
);
2286 switch (priv
->chip_type
) {
2288 /* Request the status from the device */
2289 ret
= usb_control_msg(port
->serial
->dev
,
2290 usb_rcvctrlpipe(port
->serial
->dev
, 0),
2291 FTDI_SIO_GET_MODEM_STATUS_REQUEST
,
2292 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE
,
2294 buf
, 1, WDR_TIMEOUT
);
2302 /* the 8U232AM returns a two byte value (the sio is a 1 byte
2303 value) - in the same format as the data returned from the in
2305 ret
= usb_control_msg(port
->serial
->dev
,
2306 usb_rcvctrlpipe(port
->serial
->dev
, 0),
2307 FTDI_SIO_GET_MODEM_STATUS_REQUEST
,
2308 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE
,
2310 buf
, 2, WDR_TIMEOUT
);
2318 return (buf
[0] & FTDI_SIO_DSR_MASK
? TIOCM_DSR
: 0) |
2319 (buf
[0] & FTDI_SIO_CTS_MASK
? TIOCM_CTS
: 0) |
2320 (buf
[0] & FTDI_SIO_RI_MASK
? TIOCM_RI
: 0) |
2321 (buf
[0] & FTDI_SIO_RLSD_MASK
? TIOCM_CD
: 0) |
2325 static int ftdi_tiocmset(struct tty_struct
*tty
, struct file
*file
,
2326 unsigned int set
, unsigned int clear
)
2328 struct usb_serial_port
*port
= tty
->driver_data
;
2329 dbg("%s TIOCMSET", __func__
);
2330 return update_mctrl(port
, set
, clear
);
2334 static int ftdi_ioctl(struct tty_struct
*tty
, struct file
*file
,
2335 unsigned int cmd
, unsigned long arg
)
2337 struct usb_serial_port
*port
= tty
->driver_data
;
2338 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
2340 dbg("%s cmd 0x%04x", __func__
, cmd
);
2342 /* Based on code from acm.c and others */
2345 case TIOCGSERIAL
: /* gets serial port data */
2346 return get_serial_info(port
,
2347 (struct serial_struct __user
*) arg
);
2349 case TIOCSSERIAL
: /* sets serial port data */
2350 return set_serial_info(tty
, port
,
2351 (struct serial_struct __user
*) arg
);
2354 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2355 * - mask passed in arg for lines of interest
2356 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2357 * Caller should use TIOCGICOUNT to see which one it was.
2359 * This code is borrowed from linux/drivers/char/serial.c
2362 while (priv
!= NULL
) {
2363 interruptible_sleep_on(&priv
->delta_msr_wait
);
2364 /* see if a signal did it */
2365 if (signal_pending(current
))
2366 return -ERESTARTSYS
;
2368 char diff
= priv
->diff_status
;
2371 return -EIO
; /* no change => error */
2373 /* Consume all events */
2374 priv
->diff_status
= 0;
2376 /* Return 0 if caller wanted to know about
2378 if (((arg
& TIOCM_RNG
) && (diff
& FTDI_RS0_RI
)) ||
2379 ((arg
& TIOCM_DSR
) && (diff
& FTDI_RS0_DSR
)) ||
2380 ((arg
& TIOCM_CD
) && (diff
& FTDI_RS0_RLSD
)) ||
2381 ((arg
& TIOCM_CTS
) && (diff
& FTDI_RS0_CTS
))) {
2385 * Otherwise caller can't care less about what
2386 * happened,and so we continue to wait for more
2395 /* This is not necessarily an error - turns out the higher layers
2396 * will do some ioctls themselves (see comment above)
2398 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__
, cmd
);
2399 return -ENOIOCTLCMD
;
2402 static void ftdi_throttle(struct tty_struct
*tty
)
2404 struct usb_serial_port
*port
= tty
->driver_data
;
2405 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
2406 unsigned long flags
;
2408 dbg("%s - port %d", __func__
, port
->number
);
2410 spin_lock_irqsave(&priv
->rx_lock
, flags
);
2411 priv
->rx_flags
|= THROTTLED
;
2412 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
2416 static void ftdi_unthrottle(struct tty_struct
*tty
)
2418 struct usb_serial_port
*port
= tty
->driver_data
;
2419 struct ftdi_private
*priv
= usb_get_serial_port_data(port
);
2420 int actually_throttled
;
2421 unsigned long flags
;
2423 dbg("%s - port %d", __func__
, port
->number
);
2425 spin_lock_irqsave(&priv
->rx_lock
, flags
);
2426 actually_throttled
= priv
->rx_flags
& ACTUALLY_THROTTLED
;
2427 priv
->rx_flags
&= ~(THROTTLED
| ACTUALLY_THROTTLED
);
2428 spin_unlock_irqrestore(&priv
->rx_lock
, flags
);
2430 if (actually_throttled
)
2431 schedule_delayed_work(&priv
->rx_work
, 0);
2434 static int __init
ftdi_init(void)
2438 dbg("%s", __func__
);
2439 if (vendor
> 0 && product
> 0) {
2440 /* Add user specified VID/PID to reserved element of table. */
2442 for (i
= 0; id_table_combined
[i
].idVendor
; i
++)
2444 id_table_combined
[i
].match_flags
= USB_DEVICE_ID_MATCH_DEVICE
;
2445 id_table_combined
[i
].idVendor
= vendor
;
2446 id_table_combined
[i
].idProduct
= product
;
2448 retval
= usb_serial_register(&ftdi_sio_device
);
2450 goto failed_sio_register
;
2451 retval
= usb_register(&ftdi_driver
);
2453 goto failed_usb_register
;
2455 printk(KERN_INFO KBUILD_MODNAME
": " DRIVER_VERSION
":"
2458 failed_usb_register
:
2459 usb_serial_deregister(&ftdi_sio_device
);
2460 failed_sio_register
:
2465 static void __exit
ftdi_exit(void)
2468 dbg("%s", __func__
);
2470 usb_deregister(&ftdi_driver
);
2471 usb_serial_deregister(&ftdi_sio_device
);
2476 module_init(ftdi_init
);
2477 module_exit(ftdi_exit
);
2479 MODULE_AUTHOR(DRIVER_AUTHOR
);
2480 MODULE_DESCRIPTION(DRIVER_DESC
);
2481 MODULE_LICENSE("GPL");
2483 module_param(debug
, bool, S_IRUGO
| S_IWUSR
);
2484 MODULE_PARM_DESC(debug
, "Debug enabled or not");
2485 module_param(vendor
, ushort
, 0);
2486 MODULE_PARM_DESC(vendor
, "User specified vendor ID (default="
2487 __MODULE_STRING(FTDI_VID
)")");
2488 module_param(product
, ushort
, 0);
2489 MODULE_PARM_DESC(product
, "User specified product ID");