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USB: ftdi_sio: Add PID for accesio products
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / usb / serial / ftdi_sio.c
blobd84f46675184f1cd5e05057b7cf0f7ae83ec66c1
1 /*
2 * USB FTDI SIO driver
3 *
4 * Copyright (C) 1999 - 2001
5 * Greg Kroah-Hartman (greg@kroah.com)
6 * Bill Ryder (bryder@sgi.com)
7 * Copyright (C) 2002
8 * Kuba Ober (kuba@mareimbrium.org)
9 *
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.
14 *
15 * See Documentation/usb/usb-serial.txt for more information on using this
16 * driver
17 *
18 * See http://ftdi-usb-sio.sourceforge.net for upto date testing info
19 * and extra documentation
20 *
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.
23 *
24 */
25
26 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
27 /* Thanx to FTDI for so kindly providing details of the protocol required */
28 /* to talk to the device */
29 /* Thanx to gkh and the rest of the usb dev group for all code I have
30 assimilated :-) */
31
32 #include <linux/kernel.h>
33 #include <linux/errno.h>
34 #include <linux/init.h>
35 #include <linux/slab.h>
36 #include <linux/smp_lock.h>
37 #include <linux/tty.h>
38 #include <linux/tty_driver.h>
39 #include <linux/tty_flip.h>
40 #include <linux/module.h>
41 #include <linux/spinlock.h>
42 #include <linux/uaccess.h>
43 #include <linux/usb.h>
44 #include <linux/serial.h>
45 #include <linux/usb/serial.h>
46 #include "ftdi_sio.h"
47 #include "ftdi_sio_ids.h"
48
49 /*
50 * Version Information
51 */
52 #define DRIVER_VERSION "v1.5.0"
53 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr"
54 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
55
56 static int debug;
57 static __u16 vendor = FTDI_VID;
58 static __u16 product;
59
60 struct ftdi_private {
61 struct kref kref;
62 ftdi_chip_type_t chip_type;
63 /* type of device, either SIO or FT8U232AM */
64 int baud_base; /* baud base clock for divisor setting */
65 int custom_divisor; /* custom_divisor kludge, this is for
66 baud_base (different from what goes to the
67 chip!) */
68 __u16 last_set_data_urb_value ;
69 /* the last data state set - needed for doing
70 * a break
71 */
72 int write_offset; /* This is the offset in the usb data block to
73 * write the serial data - it varies between
74 * devices
75 */
76 int flags; /* some ASYNC_xxxx flags are supported */
77 unsigned long last_dtr_rts; /* saved modem control outputs */
78 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
79 char prev_status, diff_status; /* Used for TIOCMIWAIT */
80 struct usb_serial_port *port;
81 __u16 interface; /* FT2232C, FT2232H or FT4232H port interface
82 (0 for FT232/245) */
83
84 speed_t force_baud; /* if non-zero, force the baud rate to
85 this value */
86 int force_rtscts; /* if non-zero, force RTS-CTS to always
87 be enabled */
88
89 unsigned int latency; /* latency setting in use */
90 spinlock_t tx_lock; /* spinlock for transmit state */
91 unsigned long tx_bytes;
92 unsigned long tx_outstanding_bytes;
93 unsigned long tx_outstanding_urbs;
94 unsigned short max_packet_size;
95 };
96
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 *);
102 };
103
104 static int ftdi_jtag_probe(struct usb_serial *serial);
105 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial);
106 static int ftdi_NDI_device_setup(struct usb_serial *serial);
107 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
108 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
109
110 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
111 .probe = ftdi_jtag_probe,
112 };
113
114 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
115 .probe = ftdi_mtxorb_hack_setup,
116 };
117
118 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
119 .probe = ftdi_NDI_device_setup,
120 };
121
122 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
123 .port_probe = ftdi_USB_UIRT_setup,
124 };
125
126 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
127 .port_probe = ftdi_HE_TIRA1_setup,
128 };
129
130 /*
131 * The 8U232AM has the same API as the sio except for:
132 * - it can support MUCH higher baudrates; up to:
133 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
134 * o 230400 at 12MHz
135 * so .. 8U232AM's baudrate setting codes are different
136 * - it has a two byte status code.
137 * - it returns characters every 16ms (the FTDI does it every 40ms)
138 *
139 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
140 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
141 * combinations in both tables.
142 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
143 * but I don't know if those ever went into mass production. [Ian Abbott]
144 */
145
146
147
148 /*
149 * Device ID not listed? Test via module params product/vendor or
150 * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
151 */
152 static struct usb_device_id id_table_combined [] = {
153 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
154 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
155 { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
156 { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_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_USINT_CAT_PID) },
166 { USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
167 { USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
168 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
169 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
170 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
173 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
174 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
175 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
176 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
177 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
178 { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
179 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
180 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
181 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
182 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
183 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
184 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
185 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
186 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
187 { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
188 { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
189 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
190 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
191 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
192 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
193 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
194 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
195 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
196 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
197 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
198 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
199 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
200 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
201 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
202 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
203 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
204 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
205 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
206 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
207 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
208 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
209 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
210 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
211 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
212 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
213 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
214 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
215 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
216 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
217 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
218 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
219 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
220 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
221 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
222 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
227 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
233 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
239 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
241 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
242 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
244 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
245 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
247 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
248 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
250 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
254 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
273 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
275 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
277 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
279 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
281 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
283 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
285 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
287 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
288 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
289 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
290 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
291 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
292 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
293 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
294 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
295 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
296 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
297 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
298 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
300 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
302 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
304 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
451 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
452 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
453 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
454 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
455 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
456 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
457 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
458 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
459 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
460 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
461 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
462 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
463 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
464 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
465 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
466 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
467 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
468 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
469 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
470 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
471 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
472 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
473 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
474 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
475 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
492 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
493 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
494 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
495 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
496 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
497 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
498 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
499 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
500 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
501 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
502 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
503 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
504 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
505 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
506 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
507 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
508 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
509 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
510 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
511 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
512 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
513 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
514 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
515 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
516 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
517 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
518 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
519 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
520 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
521 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
522 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
523 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
524 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
525 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
526 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
527 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
528 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
529 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
530 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
531 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
532 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
533 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
534 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
535 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
536 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
537 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
538 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
539 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
540 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
541 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
542 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
543 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
544 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
545 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
546 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
547 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
548 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
549 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
550 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
551 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
552 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
553 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
554 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
555 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
556 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
557 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
558 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
559 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
560 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
561 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
562 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
563 /*
564 * ELV devices:
565 */
566 { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
567 { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
568 { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
569 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
570 { USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
571 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
572 { USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
573 { USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
574 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
575 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
576 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
577 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
578 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
579 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
580 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
581 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
582 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
583 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
584 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
585 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
586 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
587 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
588 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
589 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
590 { USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
591 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
592 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
593 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
594 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
595 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
596 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
597 { USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
598 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
599 { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
600 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
601 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
602 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
603 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
604 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
605 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
606 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
607 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
608 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
609 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
610 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
611 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
612 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
613 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
614 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
615 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
616 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
617 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
618 { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
619 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
620 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
621 { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
622 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
623 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
624 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
625 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
626 { USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
627 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
628 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
629 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
630 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
631 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
632 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
633 { USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
634 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
635 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
636 { USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
637 { USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
638 { USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
639 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
640 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
641 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
642 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
643 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
644 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
645 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
646 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
647 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
648 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
649 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
650 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
651 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
652 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
653 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
654 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
655 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
656 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
657 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
658 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
659 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
660 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
661 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
662 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
663 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
664 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
665 { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
666 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
667 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
668 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
669 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
670 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
671 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
672 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
673 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
674 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
675 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
676 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
677 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
678 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
679 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
680 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
681 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
682 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
683 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
684 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
685 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
686 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
687 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
688 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
689 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
690 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
691 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
692 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
693 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
694 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
695 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
696 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
697 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
698 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
699 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
700 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
701 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
702 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
703 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
704 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
705 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
706 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
707 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
708 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
709 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
710 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
711 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
712 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
713 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
714 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
715 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
716 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
717 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
718 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
719 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
720 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
721 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
722 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
723 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
724 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
725 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
726 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
727 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
728 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
729 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
730 { USB_DEVICE(ATMEL_VID, STK541_PID) },
731 { USB_DEVICE(DE_VID, STB_PID) },
732 { USB_DEVICE(DE_VID, WHT_PID) },
733 { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
734 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
735 { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
736 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
737 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
738 { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
739 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
740 { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
741 { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
742 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
743 { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
744 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
745 { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
746 { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
747 { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
748 { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
749 { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
750 { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
751 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
752 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
753 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
754 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
755 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
756 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
757 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
758 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
759 { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
760 { USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
761 { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
762 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
763 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
764 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
765 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
766 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
767 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
768 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
769 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
770 { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
771 { }, /* Optional parameter entry */
772 { } /* Terminating entry */
773 };
774
775 MODULE_DEVICE_TABLE(usb, id_table_combined);
776
777 static struct usb_driver ftdi_driver = {
778 .name = "ftdi_sio",
779 .probe = usb_serial_probe,
780 .disconnect = usb_serial_disconnect,
781 .id_table = id_table_combined,
782 .no_dynamic_id = 1,
783 };
784
785 static const char *ftdi_chip_name[] = {
786 [SIO] = "SIO", /* the serial part of FT8U100AX */
787 [FT8U232AM] = "FT8U232AM",
788 [FT232BM] = "FT232BM",
789 [FT2232C] = "FT2232C",
790 [FT232RL] = "FT232RL",
791 [FT2232H] = "FT2232H",
792 [FT4232H] = "FT4232H"
793 };
794
795
796 /* Constants for read urb and write urb */
797 #define BUFSZ 512
798
799 /* Used for TIOCMIWAIT */
800 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
801 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
802 /* End TIOCMIWAIT */
803
804 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
805 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
806
807 /* function prototypes for a FTDI serial converter */
808 static int ftdi_sio_probe(struct usb_serial *serial,
809 const struct usb_device_id *id);
810 static int ftdi_sio_port_probe(struct usb_serial_port *port);
811 static int ftdi_sio_port_remove(struct usb_serial_port *port);
812 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
813 static void ftdi_close(struct usb_serial_port *port);
814 static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
815 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
816 const unsigned char *buf, int count);
817 static int ftdi_write_room(struct tty_struct *tty);
818 static int ftdi_chars_in_buffer(struct tty_struct *tty);
819 static void ftdi_write_bulk_callback(struct urb *urb);
820 static void ftdi_read_bulk_callback(struct urb *urb);
821 static void ftdi_process_read(struct usb_serial_port *port);
822 static void ftdi_set_termios(struct tty_struct *tty,
823 struct usb_serial_port *port, struct ktermios *old);
824 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file);
825 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
826 unsigned int set, unsigned int clear);
827 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
828 unsigned int cmd, unsigned long arg);
829 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
830 static void ftdi_throttle(struct tty_struct *tty);
831 static void ftdi_unthrottle(struct tty_struct *tty);
832
833 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
834 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
835 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
836 static __u32 ftdi_232bm_baud_to_divisor(int baud);
837 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
838 static __u32 ftdi_2232h_baud_to_divisor(int baud);
839
840 static struct usb_serial_driver ftdi_sio_device = {
841 .driver = {
842 .owner = THIS_MODULE,
843 .name = "ftdi_sio",
844 },
845 .description = "FTDI USB Serial Device",
846 .usb_driver = &ftdi_driver ,
847 .id_table = id_table_combined,
848 .num_ports = 1,
849 .probe = ftdi_sio_probe,
850 .port_probe = ftdi_sio_port_probe,
851 .port_remove = ftdi_sio_port_remove,
852 .open = ftdi_open,
853 .close = ftdi_close,
854 .dtr_rts = ftdi_dtr_rts,
855 .throttle = ftdi_throttle,
856 .unthrottle = ftdi_unthrottle,
857 .write = ftdi_write,
858 .write_room = ftdi_write_room,
859 .chars_in_buffer = ftdi_chars_in_buffer,
860 .read_bulk_callback = ftdi_read_bulk_callback,
861 .write_bulk_callback = ftdi_write_bulk_callback,
862 .tiocmget = ftdi_tiocmget,
863 .tiocmset = ftdi_tiocmset,
864 .ioctl = ftdi_ioctl,
865 .set_termios = ftdi_set_termios,
866 .break_ctl = ftdi_break_ctl,
867 };
868
869
870 #define WDR_TIMEOUT 5000 /* default urb timeout */
871 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
872
873 /* High and low are for DTR, RTS etc etc */
874 #define HIGH 1
875 #define LOW 0
876
877 /* number of outstanding urbs to prevent userspace DoS from happening */
878 #define URB_UPPER_LIMIT 42
879
880 /*
881 * ***************************************************************************
882 * Utility functions
883 * ***************************************************************************
884 */
885
886 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
887 {
888 unsigned short int divisor;
889 /* divisor shifted 3 bits to the left */
890 int divisor3 = base / 2 / baud;
891 if ((divisor3 & 0x7) == 7)
892 divisor3++; /* round x.7/8 up to x+1 */
893 divisor = divisor3 >> 3;
894 divisor3 &= 0x7;
895 if (divisor3 == 1)
896 divisor |= 0xc000;
897 else if (divisor3 >= 4)
898 divisor |= 0x4000;
899 else if (divisor3 != 0)
900 divisor |= 0x8000;
901 else if (divisor == 1)
902 divisor = 0; /* special case for maximum baud rate */
903 return divisor;
904 }
905
906 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
907 {
908 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
909 }
910
911 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
912 {
913 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
914 __u32 divisor;
915 /* divisor shifted 3 bits to the left */
916 int divisor3 = base / 2 / baud;
917 divisor = divisor3 >> 3;
918 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
919 /* Deal with special cases for highest baud rates. */
920 if (divisor == 1)
921 divisor = 0;
922 else if (divisor == 0x4001)
923 divisor = 1;
924 return divisor;
925 }
926
927 static __u32 ftdi_232bm_baud_to_divisor(int baud)
928 {
929 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
930 }
931
932 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
933 {
934 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
935 __u32 divisor;
936 int divisor3;
937
938 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
939 divisor3 = (base / 10 / baud) * 8;
940
941 divisor = divisor3 >> 3;
942 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
943 /* Deal with special cases for highest baud rates. */
944 if (divisor == 1)
945 divisor = 0;
946 else if (divisor == 0x4001)
947 divisor = 1;
948 /*
949 * Set this bit to turn off a divide by 2.5 on baud rate generator
950 * This enables baud rates up to 12Mbaud but cannot reach below 1200
951 * baud with this bit set
952 */
953 divisor |= 0x00020000;
954 return divisor;
955 }
956
957 static __u32 ftdi_2232h_baud_to_divisor(int baud)
958 {
959 return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
960 }
961
962 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
963 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
964
965 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
966 unsigned int clear)
967 {
968 struct ftdi_private *priv = usb_get_serial_port_data(port);
969 char *buf;
970 unsigned urb_value;
971 int rv;
972
973 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
974 dbg("%s - DTR|RTS not being set|cleared", __func__);
975 return 0; /* no change */
976 }
977
978 buf = kmalloc(1, GFP_NOIO);
979 if (!buf)
980 return -ENOMEM;
981
982 clear &= ~set; /* 'set' takes precedence over 'clear' */
983 urb_value = 0;
984 if (clear & TIOCM_DTR)
985 urb_value |= FTDI_SIO_SET_DTR_LOW;
986 if (clear & TIOCM_RTS)
987 urb_value |= FTDI_SIO_SET_RTS_LOW;
988 if (set & TIOCM_DTR)
989 urb_value |= FTDI_SIO_SET_DTR_HIGH;
990 if (set & TIOCM_RTS)
991 urb_value |= FTDI_SIO_SET_RTS_HIGH;
992 rv = usb_control_msg(port->serial->dev,
993 usb_sndctrlpipe(port->serial->dev, 0),
994 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
995 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
996 urb_value, priv->interface,
997 buf, 0, WDR_TIMEOUT);
998
999 kfree(buf);
1000 if (rv < 0) {
1001 dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
1002 __func__,
1003 (set & TIOCM_DTR) ? "HIGH" :
1004 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1005 (set & TIOCM_RTS) ? "HIGH" :
1006 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1007 } else {
1008 dbg("%s - DTR %s, RTS %s", __func__,
1009 (set & TIOCM_DTR) ? "HIGH" :
1010 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1011 (set & TIOCM_RTS) ? "HIGH" :
1012 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1013 /* FIXME: locking on last_dtr_rts */
1014 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1015 }
1016 return rv;
1017 }
1018
1019
1020 static __u32 get_ftdi_divisor(struct tty_struct *tty,
1021 struct usb_serial_port *port)
1022 { /* get_ftdi_divisor */
1023 struct ftdi_private *priv = usb_get_serial_port_data(port);
1024 __u32 div_value = 0;
1025 int div_okay = 1;
1026 int baud;
1027
1028 /*
1029 * The logic involved in setting the baudrate can be cleanly split into
1030 * 3 steps.
1031 * 1. Standard baud rates are set in tty->termios->c_cflag
1032 * 2. If these are not enough, you can set any speed using alt_speed as
1033 * follows:
1034 * - set tty->termios->c_cflag speed to B38400
1035 * - set your real speed in tty->alt_speed; it gets ignored when
1036 * alt_speed==0, (or)
1037 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1038 * follows:
1039 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1040 * this just sets alt_speed to (HI: 57600, VHI: 115200,
1041 * SHI: 230400, WARP: 460800)
1042 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1043 * 3. You can also set baud rate by setting custom divisor as follows
1044 * - set tty->termios->c_cflag speed to B38400
1045 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1046 * follows:
1047 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1048 * o custom_divisor set to baud_base / your_new_baudrate
1049 * ** Step 3 is done courtesy of code borrowed from serial.c
1050 * I should really spend some time and separate + move this common
1051 * code to serial.c, it is replicated in nearly every serial driver
1052 * you see.
1053 */
1054
1055 /* 1. Get the baud rate from the tty settings, this observes
1056 alt_speed hack */
1057
1058 baud = tty_get_baud_rate(tty);
1059 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1060
1061 /* 2. Observe async-compatible custom_divisor hack, update baudrate
1062 if needed */
1063
1064 if (baud == 38400 &&
1065 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1066 (priv->custom_divisor)) {
1067 baud = priv->baud_base / priv->custom_divisor;
1068 dbg("%s - custom divisor %d sets baud rate to %d",
1069 __func__, priv->custom_divisor, baud);
1070 }
1071
1072 /* 3. Convert baudrate to device-specific divisor */
1073
1074 if (!baud)
1075 baud = 9600;
1076 switch (priv->chip_type) {
1077 case SIO: /* SIO chip */
1078 switch (baud) {
1079 case 300: div_value = ftdi_sio_b300; break;
1080 case 600: div_value = ftdi_sio_b600; break;
1081 case 1200: div_value = ftdi_sio_b1200; break;
1082 case 2400: div_value = ftdi_sio_b2400; break;
1083 case 4800: div_value = ftdi_sio_b4800; break;
1084 case 9600: div_value = ftdi_sio_b9600; break;
1085 case 19200: div_value = ftdi_sio_b19200; break;
1086 case 38400: div_value = ftdi_sio_b38400; break;
1087 case 57600: div_value = ftdi_sio_b57600; break;
1088 case 115200: div_value = ftdi_sio_b115200; break;
1089 } /* baud */
1090 if (div_value == 0) {
1091 dbg("%s - Baudrate (%d) requested is not supported",
1092 __func__, baud);
1093 div_value = ftdi_sio_b9600;
1094 baud = 9600;
1095 div_okay = 0;
1096 }
1097 break;
1098 case FT8U232AM: /* 8U232AM chip */
1099 if (baud <= 3000000) {
1100 div_value = ftdi_232am_baud_to_divisor(baud);
1101 } else {
1102 dbg("%s - Baud rate too high!", __func__);
1103 baud = 9600;
1104 div_value = ftdi_232am_baud_to_divisor(9600);
1105 div_okay = 0;
1106 }
1107 break;
1108 case FT232BM: /* FT232BM chip */
1109 case FT2232C: /* FT2232C chip */
1110 case FT232RL:
1111 if (baud <= 3000000) {
1112 __u16 product_id = le16_to_cpu(
1113 port->serial->dev->descriptor.idProduct);
1114 if (((FTDI_NDI_HUC_PID == product_id) ||
1115 (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1116 (FTDI_NDI_FUTURE_2_PID == product_id) ||
1117 (FTDI_NDI_FUTURE_3_PID == product_id) ||
1118 (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1119 (baud == 19200)) {
1120 baud = 1200000;
1121 }
1122 div_value = ftdi_232bm_baud_to_divisor(baud);
1123 } else {
1124 dbg("%s - Baud rate too high!", __func__);
1125 div_value = ftdi_232bm_baud_to_divisor(9600);
1126 div_okay = 0;
1127 baud = 9600;
1128 }
1129 break;
1130 case FT2232H: /* FT2232H chip */
1131 case FT4232H: /* FT4232H chip */
1132 if ((baud <= 12000000) & (baud >= 1200)) {
1133 div_value = ftdi_2232h_baud_to_divisor(baud);
1134 } else if (baud < 1200) {
1135 div_value = ftdi_232bm_baud_to_divisor(baud);
1136 } else {
1137 dbg("%s - Baud rate too high!", __func__);
1138 div_value = ftdi_232bm_baud_to_divisor(9600);
1139 div_okay = 0;
1140 baud = 9600;
1141 }
1142 break;
1143 } /* priv->chip_type */
1144
1145 if (div_okay) {
1146 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1147 __func__, baud, (unsigned long)div_value,
1148 ftdi_chip_name[priv->chip_type]);
1149 }
1150
1151 tty_encode_baud_rate(tty, baud, baud);
1152 return div_value;
1153 }
1154
1155 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1156 {
1157 struct ftdi_private *priv = usb_get_serial_port_data(port);
1158 char *buf;
1159 __u16 urb_value;
1160 __u16 urb_index;
1161 __u32 urb_index_value;
1162 int rv;
1163
1164 buf = kmalloc(1, GFP_NOIO);
1165 if (!buf)
1166 return -ENOMEM;
1167
1168 urb_index_value = get_ftdi_divisor(tty, port);
1169 urb_value = (__u16)urb_index_value;
1170 urb_index = (__u16)(urb_index_value >> 16);
1171 if (priv->interface) { /* FT2232C */
1172 urb_index = (__u16)((urb_index << 8) | priv->interface);
1173 }
1174
1175 rv = usb_control_msg(port->serial->dev,
1176 usb_sndctrlpipe(port->serial->dev, 0),
1177 FTDI_SIO_SET_BAUDRATE_REQUEST,
1178 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1179 urb_value, urb_index,
1180 buf, 0, WDR_SHORT_TIMEOUT);
1181
1182 kfree(buf);
1183 return rv;
1184 }
1185
1186 static int write_latency_timer(struct usb_serial_port *port)
1187 {
1188 struct ftdi_private *priv = usb_get_serial_port_data(port);
1189 struct usb_device *udev = port->serial->dev;
1190 char buf[1];
1191 int rv = 0;
1192 int l = priv->latency;
1193
1194 if (priv->flags & ASYNC_LOW_LATENCY)
1195 l = 1;
1196
1197 dbg("%s: setting latency timer = %i", __func__, l);
1198
1199 rv = usb_control_msg(udev,
1200 usb_sndctrlpipe(udev, 0),
1201 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1202 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1203 l, priv->interface,
1204 buf, 0, WDR_TIMEOUT);
1205
1206 if (rv < 0)
1207 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1208 return rv;
1209 }
1210
1211 static int read_latency_timer(struct usb_serial_port *port)
1212 {
1213 struct ftdi_private *priv = usb_get_serial_port_data(port);
1214 struct usb_device *udev = port->serial->dev;
1215 unsigned short latency = 0;
1216 int rv = 0;
1217
1218
1219 dbg("%s", __func__);
1220
1221 rv = usb_control_msg(udev,
1222 usb_rcvctrlpipe(udev, 0),
1223 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1224 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1225 0, priv->interface,
1226 (char *) &latency, 1, WDR_TIMEOUT);
1227
1228 if (rv < 0) {
1229 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1230 return -EIO;
1231 }
1232 return latency;
1233 }
1234
1235 static int get_serial_info(struct usb_serial_port *port,
1236 struct serial_struct __user *retinfo)
1237 {
1238 struct ftdi_private *priv = usb_get_serial_port_data(port);
1239 struct serial_struct tmp;
1240
1241 if (!retinfo)
1242 return -EFAULT;
1243 memset(&tmp, 0, sizeof(tmp));
1244 tmp.flags = priv->flags;
1245 tmp.baud_base = priv->baud_base;
1246 tmp.custom_divisor = priv->custom_divisor;
1247 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1248 return -EFAULT;
1249 return 0;
1250 } /* get_serial_info */
1251
1252
1253 static int set_serial_info(struct tty_struct *tty,
1254 struct usb_serial_port *port, struct serial_struct __user *newinfo)
1255 { /* set_serial_info */
1256 struct ftdi_private *priv = usb_get_serial_port_data(port);
1257 struct serial_struct new_serial;
1258 struct ftdi_private old_priv;
1259
1260 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1261 return -EFAULT;
1262
1263 lock_kernel();
1264 old_priv = *priv;
1265
1266 /* Do error checking and permission checking */
1267
1268 if (!capable(CAP_SYS_ADMIN)) {
1269 if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1270 (priv->flags & ~ASYNC_USR_MASK))) {
1271 unlock_kernel();
1272 return -EPERM;
1273 }
1274 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1275 (new_serial.flags & ASYNC_USR_MASK));
1276 priv->custom_divisor = new_serial.custom_divisor;
1277 goto check_and_exit;
1278 }
1279
1280 if ((new_serial.baud_base != priv->baud_base) &&
1281 (new_serial.baud_base < 9600)) {
1282 unlock_kernel();
1283 return -EINVAL;
1284 }
1285
1286 /* Make the changes - these are privileged changes! */
1287
1288 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1289 (new_serial.flags & ASYNC_FLAGS));
1290 priv->custom_divisor = new_serial.custom_divisor;
1291
1292 write_latency_timer(port);
1293
1294 check_and_exit:
1295 if ((old_priv.flags & ASYNC_SPD_MASK) !=
1296 (priv->flags & ASYNC_SPD_MASK)) {
1297 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1298 tty->alt_speed = 57600;
1299 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1300 tty->alt_speed = 115200;
1301 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1302 tty->alt_speed = 230400;
1303 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1304 tty->alt_speed = 460800;
1305 else
1306 tty->alt_speed = 0;
1307 }
1308 if (((old_priv.flags & ASYNC_SPD_MASK) !=
1309 (priv->flags & ASYNC_SPD_MASK)) ||
1310 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1311 (old_priv.custom_divisor != priv->custom_divisor))) {
1312 unlock_kernel();
1313 change_speed(tty, port);
1314 }
1315 else
1316 unlock_kernel();
1317 return 0;
1318
1319 } /* set_serial_info */
1320
1321
1322 /* Determine type of FTDI chip based on USB config and descriptor. */
1323 static void ftdi_determine_type(struct usb_serial_port *port)
1324 {
1325 struct ftdi_private *priv = usb_get_serial_port_data(port);
1326 struct usb_serial *serial = port->serial;
1327 struct usb_device *udev = serial->dev;
1328 unsigned version;
1329 unsigned interfaces;
1330
1331 /* Assume it is not the original SIO device for now. */
1332 priv->baud_base = 48000000 / 2;
1333 priv->write_offset = 0;
1334
1335 version = le16_to_cpu(udev->descriptor.bcdDevice);
1336 interfaces = udev->actconfig->desc.bNumInterfaces;
1337 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1338 version, interfaces);
1339 if (interfaces > 1) {
1340 int inter;
1341
1342 /* Multiple interfaces.*/
1343 if (version == 0x0800) {
1344 priv->chip_type = FT4232H;
1345 /* Hi-speed - baud clock runs at 120MHz */
1346 priv->baud_base = 120000000 / 2;
1347 } else if (version == 0x0700) {
1348 priv->chip_type = FT2232H;
1349 /* Hi-speed - baud clock runs at 120MHz */
1350 priv->baud_base = 120000000 / 2;
1351 } else
1352 priv->chip_type = FT2232C;
1353
1354 /* Determine interface code. */
1355 inter = serial->interface->altsetting->desc.bInterfaceNumber;
1356 if (inter == 0) {
1357 priv->interface = INTERFACE_A;
1358 } else if (inter == 1) {
1359 priv->interface = INTERFACE_B;
1360 } else if (inter == 2) {
1361 priv->interface = INTERFACE_C;
1362 } else if (inter == 3) {
1363 priv->interface = INTERFACE_D;
1364 }
1365 /* BM-type devices have a bug where bcdDevice gets set
1366 * to 0x200 when iSerialNumber is 0. */
1367 if (version < 0x500) {
1368 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1369 __func__);
1370 }
1371 } else if (version < 0x200) {
1372 /* Old device. Assume its the original SIO. */
1373 priv->chip_type = SIO;
1374 priv->baud_base = 12000000 / 16;
1375 priv->write_offset = 1;
1376 } else if (version < 0x400) {
1377 /* Assume its an FT8U232AM (or FT8U245AM) */
1378 /* (It might be a BM because of the iSerialNumber bug,
1379 * but it will still work as an AM device.) */
1380 priv->chip_type = FT8U232AM;
1381 } else if (version < 0x600) {
1382 /* Assume its an FT232BM (or FT245BM) */
1383 priv->chip_type = FT232BM;
1384 } else {
1385 /* Assume its an FT232R */
1386 priv->chip_type = FT232RL;
1387 }
1388 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1389 }
1390
1391
1392 /* Determine the maximum packet size for the device. This depends on the chip
1393 * type and the USB host capabilities. The value should be obtained from the
1394 * device descriptor as the chip will use the appropriate values for the host.*/
1395 static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1396 {
1397 struct ftdi_private *priv = usb_get_serial_port_data(port);
1398 struct usb_serial *serial = port->serial;
1399 struct usb_device *udev = serial->dev;
1400
1401 struct usb_interface *interface = serial->interface;
1402 struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1403
1404 unsigned num_endpoints;
1405 int i = 0;
1406
1407 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1408 dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1409
1410 /* NOTE: some customers have programmed FT232R/FT245R devices
1411 * with an endpoint size of 0 - not good. In this case, we
1412 * want to override the endpoint descriptor setting and use a
1413 * value of 64 for wMaxPacketSize */
1414 for (i = 0; i < num_endpoints; i++) {
1415 dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1416 interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1417 ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1418 if (ep_desc->wMaxPacketSize == 0) {
1419 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1420 dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1421 }
1422 }
1423
1424 /* set max packet size based on descriptor */
1425 priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);
1426
1427 dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1428 }
1429
1430
1431 /*
1432 * ***************************************************************************
1433 * Sysfs Attribute
1434 * ***************************************************************************
1435 */
1436
1437 static ssize_t show_latency_timer(struct device *dev,
1438 struct device_attribute *attr, char *buf)
1439 {
1440 struct usb_serial_port *port = to_usb_serial_port(dev);
1441 struct ftdi_private *priv = usb_get_serial_port_data(port);
1442 if (priv->flags & ASYNC_LOW_LATENCY)
1443 return sprintf(buf, "1\n");
1444 else
1445 return sprintf(buf, "%i\n", priv->latency);
1446 }
1447
1448
1449 /* Write a new value of the latency timer, in units of milliseconds. */
1450 static ssize_t store_latency_timer(struct device *dev,
1451 struct device_attribute *attr, const char *valbuf,
1452 size_t count)
1453 {
1454 struct usb_serial_port *port = to_usb_serial_port(dev);
1455 struct ftdi_private *priv = usb_get_serial_port_data(port);
1456 int v = simple_strtoul(valbuf, NULL, 10);
1457 int rv = 0;
1458
1459 priv->latency = v;
1460 rv = write_latency_timer(port);
1461 if (rv < 0)
1462 return -EIO;
1463 return count;
1464 }
1465
1466 /* Write an event character directly to the FTDI register. The ASCII
1467 value is in the low 8 bits, with the enable bit in the 9th bit. */
1468 static ssize_t store_event_char(struct device *dev,
1469 struct device_attribute *attr, const char *valbuf, size_t count)
1470 {
1471 struct usb_serial_port *port = to_usb_serial_port(dev);
1472 struct ftdi_private *priv = usb_get_serial_port_data(port);
1473 struct usb_device *udev = port->serial->dev;
1474 char buf[1];
1475 int v = simple_strtoul(valbuf, NULL, 10);
1476 int rv = 0;
1477
1478 dbg("%s: setting event char = %i", __func__, v);
1479
1480 rv = usb_control_msg(udev,
1481 usb_sndctrlpipe(udev, 0),
1482 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1483 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1484 v, priv->interface,
1485 buf, 0, WDR_TIMEOUT);
1486
1487 if (rv < 0) {
1488 dbg("Unable to write event character: %i", rv);
1489 return -EIO;
1490 }
1491
1492 return count;
1493 }
1494
1495 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1496 store_latency_timer);
1497 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1498
1499 static int create_sysfs_attrs(struct usb_serial_port *port)
1500 {
1501 struct ftdi_private *priv = usb_get_serial_port_data(port);
1502 int retval = 0;
1503
1504 dbg("%s", __func__);
1505
1506 /* XXX I've no idea if the original SIO supports the event_char
1507 * sysfs parameter, so I'm playing it safe. */
1508 if (priv->chip_type != SIO) {
1509 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1510 retval = device_create_file(&port->dev, &dev_attr_event_char);
1511 if ((!retval) &&
1512 (priv->chip_type == FT232BM ||
1513 priv->chip_type == FT2232C ||
1514 priv->chip_type == FT232RL ||
1515 priv->chip_type == FT2232H ||
1516 priv->chip_type == FT4232H)) {
1517 retval = device_create_file(&port->dev,
1518 &dev_attr_latency_timer);
1519 }
1520 }
1521 return retval;
1522 }
1523
1524 static void remove_sysfs_attrs(struct usb_serial_port *port)
1525 {
1526 struct ftdi_private *priv = usb_get_serial_port_data(port);
1527
1528 dbg("%s", __func__);
1529
1530 /* XXX see create_sysfs_attrs */
1531 if (priv->chip_type != SIO) {
1532 device_remove_file(&port->dev, &dev_attr_event_char);
1533 if (priv->chip_type == FT232BM ||
1534 priv->chip_type == FT2232C ||
1535 priv->chip_type == FT232RL ||
1536 priv->chip_type == FT2232H ||
1537 priv->chip_type == FT4232H) {
1538 device_remove_file(&port->dev, &dev_attr_latency_timer);
1539 }
1540 }
1541
1542 }
1543
1544 /*
1545 * ***************************************************************************
1546 * FTDI driver specific functions
1547 * ***************************************************************************
1548 */
1549
1550 /* Probe function to check for special devices */
1551 static int ftdi_sio_probe(struct usb_serial *serial,
1552 const struct usb_device_id *id)
1553 {
1554 struct ftdi_sio_quirk *quirk =
1555 (struct ftdi_sio_quirk *)id->driver_info;
1556
1557 if (quirk && quirk->probe) {
1558 int ret = quirk->probe(serial);
1559 if (ret != 0)
1560 return ret;
1561 }
1562
1563 usb_set_serial_data(serial, (void *)id->driver_info);
1564
1565 return 0;
1566 }
1567
1568 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1569 {
1570 struct ftdi_private *priv;
1571 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1572
1573
1574 dbg("%s", __func__);
1575
1576 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1577 if (!priv) {
1578 dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1579 sizeof(struct ftdi_private));
1580 return -ENOMEM;
1581 }
1582
1583 kref_init(&priv->kref);
1584 spin_lock_init(&priv->tx_lock);
1585 init_waitqueue_head(&priv->delta_msr_wait);
1586 /* This will push the characters through immediately rather
1587 than queue a task to deliver them */
1588 priv->flags = ASYNC_LOW_LATENCY;
1589
1590 if (quirk && quirk->port_probe)
1591 quirk->port_probe(priv);
1592
1593 /* Increase the size of read buffers */
1594 kfree(port->bulk_in_buffer);
1595 port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL);
1596 if (!port->bulk_in_buffer) {
1597 kfree(priv);
1598 return -ENOMEM;
1599 }
1600 if (port->read_urb) {
1601 port->read_urb->transfer_buffer = port->bulk_in_buffer;
1602 port->read_urb->transfer_buffer_length = BUFSZ;
1603 }
1604
1605 priv->port = port;
1606
1607 /* Free port's existing write urb and transfer buffer. */
1608 if (port->write_urb) {
1609 usb_free_urb(port->write_urb);
1610 port->write_urb = NULL;
1611 }
1612 kfree(port->bulk_out_buffer);
1613 port->bulk_out_buffer = NULL;
1614
1615 usb_set_serial_port_data(port, priv);
1616
1617 ftdi_determine_type(port);
1618 ftdi_set_max_packet_size(port);
1619 read_latency_timer(port);
1620 create_sysfs_attrs(port);
1621 return 0;
1622 }
1623
1624 /* Setup for the USB-UIRT device, which requires hardwired
1625 * baudrate (38400 gets mapped to 312500) */
1626 /* Called from usbserial:serial_probe */
1627 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1628 {
1629 dbg("%s", __func__);
1630
1631 priv->flags |= ASYNC_SPD_CUST;
1632 priv->custom_divisor = 77;
1633 priv->force_baud = 38400;
1634 } /* ftdi_USB_UIRT_setup */
1635
1636 /* Setup for the HE-TIRA1 device, which requires hardwired
1637 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
1638
1639 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1640 {
1641 dbg("%s", __func__);
1642
1643 priv->flags |= ASYNC_SPD_CUST;
1644 priv->custom_divisor = 240;
1645 priv->force_baud = 38400;
1646 priv->force_rtscts = 1;
1647 } /* ftdi_HE_TIRA1_setup */
1648
1649 /*
1650 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1651 * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1652 */
1653 static int ndi_latency_timer = 1;
1654
1655 /* Setup for the NDI FTDI-based USB devices, which requires hardwired
1656 * baudrate (19200 gets mapped to 1200000).
1657 *
1658 * Called from usbserial:serial_probe.
1659 */
1660 static int ftdi_NDI_device_setup(struct usb_serial *serial)
1661 {
1662 struct usb_device *udev = serial->dev;
1663 int latency = ndi_latency_timer;
1664 int rv = 0;
1665 char buf[1];
1666
1667 if (latency == 0)
1668 latency = 1;
1669 if (latency > 99)
1670 latency = 99;
1671
1672 dbg("%s setting NDI device latency to %d", __func__, latency);
1673 dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1674
1675 rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1676 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1677 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1678 latency, 0, buf, 0, WDR_TIMEOUT);
1679 return 0;
1680 }
1681
1682 /*
1683 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1684 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1685 * userspace using openocd.
1686 */
1687 static int ftdi_jtag_probe(struct usb_serial *serial)
1688 {
1689 struct usb_device *udev = serial->dev;
1690 struct usb_interface *interface = serial->interface;
1691
1692 dbg("%s", __func__);
1693
1694 if (interface == udev->actconfig->interface[0]) {
1695 dev_info(&udev->dev,
1696 "Ignoring serial port reserved for JTAG\n");
1697 return -ENODEV;
1698 }
1699
1700 return 0;
1701 }
1702
1703 /*
1704 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1705 * We have to correct it if we want to read from it.
1706 */
1707 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1708 {
1709 struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1710 struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1711
1712 if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1713 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1714 dev_info(&serial->dev->dev,
1715 "Fixing invalid wMaxPacketSize on read pipe\n");
1716 }
1717
1718 return 0;
1719 }
1720
1721 static void ftdi_sio_priv_release(struct kref *k)
1722 {
1723 struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1724
1725 kfree(priv);
1726 }
1727
1728 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1729 {
1730 struct ftdi_private *priv = usb_get_serial_port_data(port);
1731
1732 dbg("%s", __func__);
1733
1734 remove_sysfs_attrs(port);
1735
1736 kref_put(&priv->kref, ftdi_sio_priv_release);
1737
1738 return 0;
1739 }
1740
1741 static int ftdi_submit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
1742 {
1743 struct urb *urb = port->read_urb;
1744 struct usb_serial *serial = port->serial;
1745 int result;
1746
1747 usb_fill_bulk_urb(urb, serial->dev,
1748 usb_rcvbulkpipe(serial->dev,
1749 port->bulk_in_endpointAddress),
1750 urb->transfer_buffer,
1751 urb->transfer_buffer_length,
1752 ftdi_read_bulk_callback, port);
1753 result = usb_submit_urb(urb, mem_flags);
1754 if (result)
1755 dev_err(&port->dev,
1756 "%s - failed submitting read urb, error %d\n",
1757 __func__, result);
1758 return result;
1759 }
1760
1761 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1762 { /* ftdi_open */
1763 struct usb_device *dev = port->serial->dev;
1764 struct ftdi_private *priv = usb_get_serial_port_data(port);
1765 unsigned long flags;
1766
1767 int result = 0;
1768 char buf[1]; /* Needed for the usb_control_msg I think */
1769
1770 dbg("%s", __func__);
1771
1772 spin_lock_irqsave(&priv->tx_lock, flags);
1773 priv->tx_bytes = 0;
1774 spin_unlock_irqrestore(&priv->tx_lock, flags);
1775
1776 write_latency_timer(port);
1777
1778 /* No error checking for this (will get errors later anyway) */
1779 /* See ftdi_sio.h for description of what is reset */
1780 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1781 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1782 FTDI_SIO_RESET_SIO,
1783 priv->interface, buf, 0, WDR_TIMEOUT);
1784
1785 /* Termios defaults are set by usb_serial_init. We don't change
1786 port->tty->termios - this would lose speed settings, etc.
1787 This is same behaviour as serial.c/rs_open() - Kuba */
1788
1789 /* ftdi_set_termios will send usb control messages */
1790 if (tty)
1791 ftdi_set_termios(tty, port, tty->termios);
1792
1793 /* Not throttled */
1794 spin_lock_irqsave(&port->lock, flags);
1795 port->throttled = 0;
1796 port->throttle_req = 0;
1797 spin_unlock_irqrestore(&port->lock, flags);
1798
1799 /* Start reading from the device */
1800 result = ftdi_submit_read_urb(port, GFP_KERNEL);
1801 if (!result)
1802 kref_get(&priv->kref);
1803
1804 return result;
1805 } /* ftdi_open */
1806
1807
1808 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1809 {
1810 struct ftdi_private *priv = usb_get_serial_port_data(port);
1811 char buf[1];
1812
1813 mutex_lock(&port->serial->disc_mutex);
1814 if (!port->serial->disconnected) {
1815 /* Disable flow control */
1816 if (!on && usb_control_msg(port->serial->dev,
1817 usb_sndctrlpipe(port->serial->dev, 0),
1818 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1819 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1820 0, priv->interface, buf, 0,
1821 WDR_TIMEOUT) < 0) {
1822 dev_err(&port->dev, "error from flowcontrol urb\n");
1823 }
1824 /* drop RTS and DTR */
1825 if (on)
1826 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1827 else
1828 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1829 }
1830 mutex_unlock(&port->serial->disc_mutex);
1831 }
1832
1833 /*
1834 * usbserial:__serial_close only calls ftdi_close if the point is open
1835 *
1836 * This only gets called when it is the last close
1837 *
1838 *
1839 */
1840
1841 static void ftdi_close(struct usb_serial_port *port)
1842 { /* ftdi_close */
1843 struct ftdi_private *priv = usb_get_serial_port_data(port);
1844
1845 dbg("%s", __func__);
1846
1847 /* shutdown our bulk read */
1848 usb_kill_urb(port->read_urb);
1849 kref_put(&priv->kref, ftdi_sio_priv_release);
1850 } /* ftdi_close */
1851
1852
1853
1854 /* The SIO requires the first byte to have:
1855 * B0 1
1856 * B1 0
1857 * B2..7 length of message excluding byte 0
1858 *
1859 * The new devices do not require this byte
1860 */
1861 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
1862 const unsigned char *buf, int count)
1863 { /* ftdi_write */
1864 struct ftdi_private *priv = usb_get_serial_port_data(port);
1865 struct urb *urb;
1866 unsigned char *buffer;
1867 int data_offset ; /* will be 1 for the SIO and 0 otherwise */
1868 int status;
1869 int transfer_size;
1870 unsigned long flags;
1871
1872 dbg("%s port %d, %d bytes", __func__, port->number, count);
1873
1874 if (count == 0) {
1875 dbg("write request of 0 bytes");
1876 return 0;
1877 }
1878 spin_lock_irqsave(&priv->tx_lock, flags);
1879 if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
1880 spin_unlock_irqrestore(&priv->tx_lock, flags);
1881 dbg("%s - write limit hit\n", __func__);
1882 return 0;
1883 }
1884 priv->tx_outstanding_urbs++;
1885 spin_unlock_irqrestore(&priv->tx_lock, flags);
1886
1887 data_offset = priv->write_offset;
1888 dbg("data_offset set to %d", data_offset);
1889
1890 /* Determine total transfer size */
1891 transfer_size = count;
1892 if (data_offset > 0) {
1893 /* Original sio needs control bytes too... */
1894 transfer_size += (data_offset *
1895 ((count + (priv->max_packet_size - 1 - data_offset)) /
1896 (priv->max_packet_size - data_offset)));
1897 }
1898
1899 buffer = kmalloc(transfer_size, GFP_ATOMIC);
1900 if (!buffer) {
1901 dev_err(&port->dev,
1902 "%s ran out of kernel memory for urb ...\n", __func__);
1903 count = -ENOMEM;
1904 goto error_no_buffer;
1905 }
1906
1907 urb = usb_alloc_urb(0, GFP_ATOMIC);
1908 if (!urb) {
1909 dev_err(&port->dev, "%s - no more free urbs\n", __func__);
1910 count = -ENOMEM;
1911 goto error_no_urb;
1912 }
1913
1914 /* Copy data */
1915 if (data_offset > 0) {
1916 /* Original sio requires control byte at start of
1917 each packet. */
1918 int user_pktsz = priv->max_packet_size - data_offset;
1919 int todo = count;
1920 unsigned char *first_byte = buffer;
1921 const unsigned char *current_position = buf;
1922
1923 while (todo > 0) {
1924 if (user_pktsz > todo)
1925 user_pktsz = todo;
1926 /* Write the control byte at the front of the packet*/
1927 *first_byte = 1 | ((user_pktsz) << 2);
1928 /* Copy data for packet */
1929 memcpy(first_byte + data_offset,
1930 current_position, user_pktsz);
1931 first_byte += user_pktsz + data_offset;
1932 current_position += user_pktsz;
1933 todo -= user_pktsz;
1934 }
1935 } else {
1936 /* No control byte required. */
1937 /* Copy in the data to send */
1938 memcpy(buffer, buf, count);
1939 }
1940
1941 usb_serial_debug_data(debug, &port->dev, __func__,
1942 transfer_size, buffer);
1943
1944 /* fill the buffer and send it */
1945 usb_fill_bulk_urb(urb, port->serial->dev,
1946 usb_sndbulkpipe(port->serial->dev,
1947 port->bulk_out_endpointAddress),
1948 buffer, transfer_size,
1949 ftdi_write_bulk_callback, port);
1950
1951 status = usb_submit_urb(urb, GFP_ATOMIC);
1952 if (status) {
1953 dev_err(&port->dev,
1954 "%s - failed submitting write urb, error %d\n",
1955 __func__, status);
1956 count = status;
1957 goto error;
1958 } else {
1959 spin_lock_irqsave(&priv->tx_lock, flags);
1960 priv->tx_outstanding_bytes += count;
1961 priv->tx_bytes += count;
1962 spin_unlock_irqrestore(&priv->tx_lock, flags);
1963 }
1964
1965 /* we are done with this urb, so let the host driver
1966 * really free it when it is finished with it */
1967 usb_free_urb(urb);
1968
1969 dbg("%s write returning: %d", __func__, count);
1970 return count;
1971 error:
1972 usb_free_urb(urb);
1973 error_no_urb:
1974 kfree(buffer);
1975 error_no_buffer:
1976 spin_lock_irqsave(&priv->tx_lock, flags);
1977 priv->tx_outstanding_urbs--;
1978 spin_unlock_irqrestore(&priv->tx_lock, flags);
1979 return count;
1980 } /* ftdi_write */
1981
1982
1983 /* This function may get called when the device is closed */
1984
1985 static void ftdi_write_bulk_callback(struct urb *urb)
1986 {
1987 unsigned long flags;
1988 struct usb_serial_port *port = urb->context;
1989 struct ftdi_private *priv;
1990 int data_offset; /* will be 1 for the SIO and 0 otherwise */
1991 unsigned long countback;
1992 int status = urb->status;
1993
1994 /* free up the transfer buffer, as usb_free_urb() does not do this */
1995 kfree(urb->transfer_buffer);
1996
1997 dbg("%s - port %d", __func__, port->number);
1998
1999 priv = usb_get_serial_port_data(port);
2000 if (!priv) {
2001 dbg("%s - bad port private data pointer - exiting", __func__);
2002 return;
2003 }
2004 /* account for transferred data */
2005 countback = urb->transfer_buffer_length;
2006 data_offset = priv->write_offset;
2007 if (data_offset > 0) {
2008 /* Subtract the control bytes */
2009 countback -= (data_offset * DIV_ROUND_UP(countback, priv->max_packet_size));
2010 }
2011 spin_lock_irqsave(&priv->tx_lock, flags);
2012 --priv->tx_outstanding_urbs;
2013 priv->tx_outstanding_bytes -= countback;
2014 spin_unlock_irqrestore(&priv->tx_lock, flags);
2015
2016 if (status) {
2017 dbg("nonzero write bulk status received: %d", status);
2018 }
2019
2020 usb_serial_port_softint(port);
2021 } /* ftdi_write_bulk_callback */
2022
2023
2024 static int ftdi_write_room(struct tty_struct *tty)
2025 {
2026 struct usb_serial_port *port = tty->driver_data;
2027 struct ftdi_private *priv = usb_get_serial_port_data(port);
2028 int room;
2029 unsigned long flags;
2030
2031 dbg("%s - port %d", __func__, port->number);
2032
2033 spin_lock_irqsave(&priv->tx_lock, flags);
2034 if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) {
2035 /*
2036 * We really can take anything the user throws at us
2037 * but let's pick a nice big number to tell the tty
2038 * layer that we have lots of free space
2039 */
2040 room = 2048;
2041 } else {
2042 room = 0;
2043 }
2044 spin_unlock_irqrestore(&priv->tx_lock, flags);
2045 return room;
2046 }
2047
2048 static int ftdi_chars_in_buffer(struct tty_struct *tty)
2049 {
2050 struct usb_serial_port *port = tty->driver_data;
2051 struct ftdi_private *priv = usb_get_serial_port_data(port);
2052 int buffered;
2053 unsigned long flags;
2054
2055 dbg("%s - port %d", __func__, port->number);
2056
2057 spin_lock_irqsave(&priv->tx_lock, flags);
2058 buffered = (int)priv->tx_outstanding_bytes;
2059 spin_unlock_irqrestore(&priv->tx_lock, flags);
2060 if (buffered < 0) {
2061 dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
2062 __func__);
2063 buffered = 0;
2064 }
2065 return buffered;
2066 }
2067
2068 static int ftdi_process_packet(struct tty_struct *tty,
2069 struct usb_serial_port *port, struct ftdi_private *priv,
2070 char *packet, int len)
2071 {
2072 int i;
2073 char status;
2074 char flag;
2075 char *ch;
2076
2077 dbg("%s - port %d", __func__, port->number);
2078
2079 if (len < 2) {
2080 dbg("malformed packet");
2081 return 0;
2082 }
2083
2084 /* Compare new line status to the old one, signal if different/
2085 N.B. packet may be processed more than once, but differences
2086 are only processed once. */
2087 status = packet[0] & FTDI_STATUS_B0_MASK;
2088 if (status != priv->prev_status) {
2089 priv->diff_status |= status ^ priv->prev_status;
2090 wake_up_interruptible(&priv->delta_msr_wait);
2091 priv->prev_status = status;
2092 }
2093
2094 /*
2095 * Although the device uses a bitmask and hence can have multiple
2096 * errors on a packet - the order here sets the priority the error is
2097 * returned to the tty layer.
2098 */
2099 flag = TTY_NORMAL;
2100 if (packet[1] & FTDI_RS_OE) {
2101 flag = TTY_OVERRUN;
2102 dbg("OVERRRUN error");
2103 }
2104 if (packet[1] & FTDI_RS_BI) {
2105 flag = TTY_BREAK;
2106 dbg("BREAK received");
2107 usb_serial_handle_break(port);
2108 }
2109 if (packet[1] & FTDI_RS_PE) {
2110 flag = TTY_PARITY;
2111 dbg("PARITY error");
2112 }
2113 if (packet[1] & FTDI_RS_FE) {
2114 flag = TTY_FRAME;
2115 dbg("FRAMING error");
2116 }
2117
2118 len -= 2;
2119 if (!len)
2120 return 0; /* status only */
2121 ch = packet + 2;
2122
2123 if (!(port->console && port->sysrq) && flag == TTY_NORMAL)
2124 tty_insert_flip_string(tty, ch, len);
2125 else {
2126 for (i = 0; i < len; i++, ch++) {
2127 if (!usb_serial_handle_sysrq_char(tty, port, *ch))
2128 tty_insert_flip_char(tty, *ch, flag);
2129 }
2130 }
2131 return len;
2132 }
2133
2134 static void ftdi_process_read(struct usb_serial_port *port)
2135 {
2136 struct urb *urb = port->read_urb;
2137 struct tty_struct *tty;
2138 struct ftdi_private *priv = usb_get_serial_port_data(port);
2139 char *data = (char *)urb->transfer_buffer;
2140 int i;
2141 int len;
2142 int count = 0;
2143
2144 tty = tty_port_tty_get(&port->port);
2145 if (!tty)
2146 return;
2147
2148 for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2149 len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2150 count += ftdi_process_packet(tty, port, priv, &data[i], len);
2151 }
2152
2153 if (count)
2154 tty_flip_buffer_push(tty);
2155 tty_kref_put(tty);
2156 }
2157
2158 static void ftdi_read_bulk_callback(struct urb *urb)
2159 {
2160 struct usb_serial_port *port = urb->context;
2161 unsigned long flags;
2162
2163 dbg("%s - port %d", __func__, port->number);
2164
2165 if (urb->status) {
2166 dbg("%s - nonzero read bulk status received: %d",
2167 __func__, urb->status);
2168 return;
2169 }
2170
2171 usb_serial_debug_data(debug, &port->dev, __func__,
2172 urb->actual_length, urb->transfer_buffer);
2173 ftdi_process_read(port);
2174
2175 spin_lock_irqsave(&port->lock, flags);
2176 port->throttled = port->throttle_req;
2177 if (!port->throttled) {
2178 spin_unlock_irqrestore(&port->lock, flags);
2179 ftdi_submit_read_urb(port, GFP_ATOMIC);
2180 } else
2181 spin_unlock_irqrestore(&port->lock, flags);
2182 }
2183
2184 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2185 {
2186 struct usb_serial_port *port = tty->driver_data;
2187 struct ftdi_private *priv = usb_get_serial_port_data(port);
2188 __u16 urb_value = 0;
2189 char buf[1];
2190
2191 /* break_state = -1 to turn on break, and 0 to turn off break */
2192 /* see drivers/char/tty_io.c to see it used */
2193 /* last_set_data_urb_value NEVER has the break bit set in it */
2194
2195 if (break_state)
2196 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2197 else
2198 urb_value = priv->last_set_data_urb_value;
2199
2200 if (usb_control_msg(port->serial->dev,
2201 usb_sndctrlpipe(port->serial->dev, 0),
2202 FTDI_SIO_SET_DATA_REQUEST,
2203 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2204 urb_value , priv->interface,
2205 buf, 0, WDR_TIMEOUT) < 0) {
2206 dev_err(&port->dev, "%s FAILED to enable/disable break state "
2207 "(state was %d)\n", __func__, break_state);
2208 }
2209
2210 dbg("%s break state is %d - urb is %d", __func__,
2211 break_state, urb_value);
2212
2213 }
2214
2215
2216 /* old_termios contains the original termios settings and tty->termios contains
2217 * the new setting to be used
2218 * WARNING: set_termios calls this with old_termios in kernel space
2219 */
2220
2221 static void ftdi_set_termios(struct tty_struct *tty,
2222 struct usb_serial_port *port, struct ktermios *old_termios)
2223 { /* ftdi_termios */
2224 struct usb_device *dev = port->serial->dev;
2225 struct ftdi_private *priv = usb_get_serial_port_data(port);
2226 struct ktermios *termios = tty->termios;
2227 unsigned int cflag = termios->c_cflag;
2228 __u16 urb_value; /* will hold the new flags */
2229 char buf[1]; /* Perhaps I should dynamically alloc this? */
2230
2231 /* Added for xon/xoff support */
2232 unsigned int iflag = termios->c_iflag;
2233 unsigned char vstop;
2234 unsigned char vstart;
2235
2236 dbg("%s", __func__);
2237
2238 /* Force baud rate if this device requires it, unless it is set to
2239 B0. */
2240 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2241 dbg("%s: forcing baud rate for this device", __func__);
2242 tty_encode_baud_rate(tty, priv->force_baud,
2243 priv->force_baud);
2244 }
2245
2246 /* Force RTS-CTS if this device requires it. */
2247 if (priv->force_rtscts) {
2248 dbg("%s: forcing rtscts for this device", __func__);
2249 termios->c_cflag |= CRTSCTS;
2250 }
2251
2252 cflag = termios->c_cflag;
2253
2254 /* FIXME -For this cut I don't care if the line is really changing or
2255 not - so just do the change regardless - should be able to
2256 compare old_termios and tty->termios */
2257 /* NOTE These routines can get interrupted by
2258 ftdi_sio_read_bulk_callback - need to examine what this means -
2259 don't see any problems yet */
2260
2261 /* Set number of data bits, parity, stop bits */
2262
2263 termios->c_cflag &= ~CMSPAR;
2264
2265 urb_value = 0;
2266 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2267 FTDI_SIO_SET_DATA_STOP_BITS_1);
2268 urb_value |= (cflag & PARENB ?
2269 (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
2270 FTDI_SIO_SET_DATA_PARITY_EVEN) :
2271 FTDI_SIO_SET_DATA_PARITY_NONE);
2272 if (cflag & CSIZE) {
2273 switch (cflag & CSIZE) {
2274 case CS5: urb_value |= 5; dbg("Setting CS5"); break;
2275 case CS6: urb_value |= 6; dbg("Setting CS6"); break;
2276 case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2277 case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2278 default:
2279 dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
2280 }
2281 }
2282
2283 /* This is needed by the break command since it uses the same command
2284 - but is or'ed with this value */
2285 priv->last_set_data_urb_value = urb_value;
2286
2287 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2288 FTDI_SIO_SET_DATA_REQUEST,
2289 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2290 urb_value , priv->interface,
2291 buf, 0, WDR_SHORT_TIMEOUT) < 0) {
2292 dev_err(&port->dev, "%s FAILED to set "
2293 "databits/stopbits/parity\n", __func__);
2294 }
2295
2296 /* Now do the baudrate */
2297 if ((cflag & CBAUD) == B0) {
2298 /* Disable flow control */
2299 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2300 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2301 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2302 0, priv->interface,
2303 buf, 0, WDR_TIMEOUT) < 0) {
2304 dev_err(&port->dev,
2305 "%s error from disable flowcontrol urb\n",
2306 __func__);
2307 }
2308 /* Drop RTS and DTR */
2309 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2310 } else {
2311 /* set the baudrate determined before */
2312 if (change_speed(tty, port))
2313 dev_err(&port->dev, "%s urb failed to set baudrate\n",
2314 __func__);
2315 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2316 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2317 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2318 }
2319
2320 /* Set flow control */
2321 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2322 if (cflag & CRTSCTS) {
2323 dbg("%s Setting to CRTSCTS flow control", __func__);
2324 if (usb_control_msg(dev,
2325 usb_sndctrlpipe(dev, 0),
2326 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2327 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2328 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2329 buf, 0, WDR_TIMEOUT) < 0) {
2330 dev_err(&port->dev,
2331 "urb failed to set to rts/cts flow control\n");
2332 }
2333
2334 /* raise DTR/RTS */
2335 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2336 } else {
2337 /*
2338 * Xon/Xoff code
2339 *
2340 * Check the IXOFF status in the iflag component of the
2341 * termios structure. If IXOFF is not set, the pre-xon/xoff
2342 * code is executed.
2343 */
2344 if (iflag & IXOFF) {
2345 dbg("%s request to enable xonxoff iflag=%04x",
2346 __func__, iflag);
2347 /* Try to enable the XON/XOFF on the ftdi_sio
2348 * Set the vstart and vstop -- could have been done up
2349 * above where a lot of other dereferencing is done but
2350 * that would be very inefficient as vstart and vstop
2351 * are not always needed.
2352 */
2353 vstart = termios->c_cc[VSTART];
2354 vstop = termios->c_cc[VSTOP];
2355 urb_value = (vstop << 8) | (vstart);
2356
2357 if (usb_control_msg(dev,
2358 usb_sndctrlpipe(dev, 0),
2359 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2360 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2361 urb_value , (FTDI_SIO_XON_XOFF_HS
2362 | priv->interface),
2363 buf, 0, WDR_TIMEOUT) < 0) {
2364 dev_err(&port->dev, "urb failed to set to "
2365 "xon/xoff flow control\n");
2366 }
2367 } else {
2368 /* else clause to only run if cflag ! CRTSCTS and iflag
2369 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2370 * stack - not by device */
2371 dbg("%s Turning off hardware flow control", __func__);
2372 if (usb_control_msg(dev,
2373 usb_sndctrlpipe(dev, 0),
2374 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2375 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2376 0, priv->interface,
2377 buf, 0, WDR_TIMEOUT) < 0) {
2378 dev_err(&port->dev,
2379 "urb failed to clear flow control\n");
2380 }
2381 }
2382
2383 /* lower DTR/RTS */
2384 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2385 }
2386 return;
2387 }
2388
2389 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
2390 {
2391 struct usb_serial_port *port = tty->driver_data;
2392 struct ftdi_private *priv = usb_get_serial_port_data(port);
2393 unsigned char buf[2];
2394 int ret;
2395
2396 dbg("%s TIOCMGET", __func__);
2397 switch (priv->chip_type) {
2398 case SIO:
2399 /* Request the status from the device */
2400 ret = usb_control_msg(port->serial->dev,
2401 usb_rcvctrlpipe(port->serial->dev, 0),
2402 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2403 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2404 0, 0,
2405 buf, 1, WDR_TIMEOUT);
2406 if (ret < 0)
2407 return ret;
2408 break;
2409 case FT8U232AM:
2410 case FT232BM:
2411 case FT2232C:
2412 case FT232RL:
2413 case FT2232H:
2414 case FT4232H:
2415 /* the 8U232AM returns a two byte value (the sio is a 1 byte
2416 value) - in the same format as the data returned from the in
2417 point */
2418 ret = usb_control_msg(port->serial->dev,
2419 usb_rcvctrlpipe(port->serial->dev, 0),
2420 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2421 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2422 0, priv->interface,
2423 buf, 2, WDR_TIMEOUT);
2424 if (ret < 0)
2425 return ret;
2426 break;
2427 default:
2428 return -EFAULT;
2429 }
2430
2431 return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2432 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2433 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2434 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2435 priv->last_dtr_rts;
2436 }
2437
2438 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
2439 unsigned int set, unsigned int clear)
2440 {
2441 struct usb_serial_port *port = tty->driver_data;
2442 dbg("%s TIOCMSET", __func__);
2443 return update_mctrl(port, set, clear);
2444 }
2445
2446
2447 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
2448 unsigned int cmd, unsigned long arg)
2449 {
2450 struct usb_serial_port *port = tty->driver_data;
2451 struct ftdi_private *priv = usb_get_serial_port_data(port);
2452
2453 dbg("%s cmd 0x%04x", __func__, cmd);
2454
2455 /* Based on code from acm.c and others */
2456 switch (cmd) {
2457
2458 case TIOCGSERIAL: /* gets serial port data */
2459 return get_serial_info(port,
2460 (struct serial_struct __user *) arg);
2461
2462 case TIOCSSERIAL: /* sets serial port data */
2463 return set_serial_info(tty, port,
2464 (struct serial_struct __user *) arg);
2465
2466 /*
2467 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2468 * - mask passed in arg for lines of interest
2469 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2470 * Caller should use TIOCGICOUNT to see which one it was.
2471 *
2472 * This code is borrowed from linux/drivers/char/serial.c
2473 */
2474 case TIOCMIWAIT:
2475 while (priv != NULL) {
2476 interruptible_sleep_on(&priv->delta_msr_wait);
2477 /* see if a signal did it */
2478 if (signal_pending(current))
2479 return -ERESTARTSYS;
2480 else {
2481 char diff = priv->diff_status;
2482
2483 if (diff == 0)
2484 return -EIO; /* no change => error */
2485
2486 /* Consume all events */
2487 priv->diff_status = 0;
2488
2489 /* Return 0 if caller wanted to know about
2490 these bits */
2491 if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2492 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2493 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) ||
2494 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2495 return 0;
2496 }
2497 /*
2498 * Otherwise caller can't care less about what
2499 * happened,and so we continue to wait for more
2500 * events.
2501 */
2502 }
2503 }
2504 return 0;
2505 default:
2506 break;
2507 }
2508 /* This is not necessarily an error - turns out the higher layers
2509 * will do some ioctls themselves (see comment above)
2510 */
2511 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2512 return -ENOIOCTLCMD;
2513 }
2514
2515 static void ftdi_throttle(struct tty_struct *tty)
2516 {
2517 struct usb_serial_port *port = tty->driver_data;
2518 unsigned long flags;
2519
2520 dbg("%s - port %d", __func__, port->number);
2521
2522 spin_lock_irqsave(&port->lock, flags);
2523 port->throttle_req = 1;
2524 spin_unlock_irqrestore(&port->lock, flags);
2525 }
2526
2527 void ftdi_unthrottle(struct tty_struct *tty)
2528 {
2529 struct usb_serial_port *port = tty->driver_data;
2530 int was_throttled;
2531 unsigned long flags;
2532
2533 dbg("%s - port %d", __func__, port->number);
2534
2535 spin_lock_irqsave(&port->lock, flags);
2536 was_throttled = port->throttled;
2537 port->throttled = port->throttle_req = 0;
2538 spin_unlock_irqrestore(&port->lock, flags);
2539
2540 /* Resubmit urb if throttled and open. */
2541 if (was_throttled && test_bit(ASYNCB_INITIALIZED, &port->port.flags))
2542 ftdi_submit_read_urb(port, GFP_KERNEL);
2543 }
2544
2545 static int __init ftdi_init(void)
2546 {
2547 int retval;
2548
2549 dbg("%s", __func__);
2550 if (vendor > 0 && product > 0) {
2551 /* Add user specified VID/PID to reserved element of table. */
2552 int i;
2553 for (i = 0; id_table_combined[i].idVendor; i++)
2554 ;
2555 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2556 id_table_combined[i].idVendor = vendor;
2557 id_table_combined[i].idProduct = product;
2558 }
2559 retval = usb_serial_register(&ftdi_sio_device);
2560 if (retval)
2561 goto failed_sio_register;
2562 retval = usb_register(&ftdi_driver);
2563 if (retval)
2564 goto failed_usb_register;
2565
2566 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2567 DRIVER_DESC "\n");
2568 return 0;
2569 failed_usb_register:
2570 usb_serial_deregister(&ftdi_sio_device);
2571 failed_sio_register:
2572 return retval;
2573 }
2574
2575
2576 static void __exit ftdi_exit(void)
2577 {
2578
2579 dbg("%s", __func__);
2580
2581 usb_deregister(&ftdi_driver);
2582 usb_serial_deregister(&ftdi_sio_device);
2583
2584 }
2585
2586
2587 module_init(ftdi_init);
2588 module_exit(ftdi_exit);
2589
2590 MODULE_AUTHOR(DRIVER_AUTHOR);
2591 MODULE_DESCRIPTION(DRIVER_DESC);
2592 MODULE_LICENSE("GPL");
2593
2594 module_param(debug, bool, S_IRUGO | S_IWUSR);
2595 MODULE_PARM_DESC(debug, "Debug enabled or not");
2596 module_param(vendor, ushort, 0);
2597 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2598 __MODULE_STRING(FTDI_VID)")");
2599 module_param(product, ushort, 0);
2600 MODULE_PARM_DESC(product, "User specified product ID");
2601
2602 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2603 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree