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USB: ftdi_sio: add vendor and product id for Bayer glucose meter serial converter...
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / usb / serial / ftdi_sio.c
blob185df48edbddac4e4be497e4aa35825ee655602e
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/tty.h>
37 #include <linux/tty_driver.h>
38 #include <linux/tty_flip.h>
39 #include <linux/module.h>
40 #include <linux/spinlock.h>
41 #include <linux/uaccess.h>
42 #include <linux/usb.h>
43 #include <linux/serial.h>
44 #include <linux/usb/serial.h>
45 #include "ftdi_sio.h"
46
47 /*
48 * Version Information
49 */
50 #define DRIVER_VERSION "v1.4.3"
51 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>"
52 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
53
54 static int debug;
55 static __u16 vendor = FTDI_VID;
56 static __u16 product;
57
58 struct ftdi_private {
59 ftdi_chip_type_t chip_type;
60 /* type of device, either SIO or FT8U232AM */
61 int baud_base; /* baud base clock for divisor setting */
62 int custom_divisor; /* custom_divisor kludge, this is for
63 baud_base (different from what goes to the
64 chip!) */
65 __u16 last_set_data_urb_value ;
66 /* the last data state set - needed for doing
67 * a break
68 */
69 int write_offset; /* This is the offset in the usb data block to
70 * write the serial data - it varies between
71 * devices
72 */
73 int flags; /* some ASYNC_xxxx flags are supported */
74 unsigned long last_dtr_rts; /* saved modem control outputs */
75 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
76 char prev_status, diff_status; /* Used for TIOCMIWAIT */
77 __u8 rx_flags; /* receive state flags (throttling) */
78 spinlock_t rx_lock; /* spinlock for receive state */
79 struct delayed_work rx_work;
80 struct usb_serial_port *port;
81 int rx_processed;
82 unsigned long rx_bytes;
83
84 __u16 interface; /* FT2232C port interface (0 for FT232/245) */
85
86 speed_t force_baud; /* if non-zero, force the baud rate to
87 this value */
88 int force_rtscts; /* if non-zero, force RTS-CTS to always
89 be enabled */
90
91 spinlock_t tx_lock; /* spinlock for transmit state */
92 unsigned long tx_bytes;
93 unsigned long tx_outstanding_bytes;
94 unsigned long tx_outstanding_urbs;
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 void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
107 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
108
109 static struct ftdi_sio_quirk ftdi_jtag_quirk = {
110 .probe = ftdi_jtag_probe,
111 };
112
113 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
114 .probe = ftdi_mtxorb_hack_setup,
115 };
116
117 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
118 .port_probe = ftdi_USB_UIRT_setup,
119 };
120
121 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
122 .port_probe = ftdi_HE_TIRA1_setup,
123 };
124
125 /*
126 * The 8U232AM has the same API as the sio except for:
127 * - it can support MUCH higher baudrates; up to:
128 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
129 * o 230400 at 12MHz
130 * so .. 8U232AM's baudrate setting codes are different
131 * - it has a two byte status code.
132 * - it returns characters every 16ms (the FTDI does it every 40ms)
133 *
134 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
135 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID
136 * combinations in both tables.
137 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
138 * but I don't know if those ever went into mass production. [Ian Abbott]
139 */
140
141
142
143 static struct usb_device_id id_table_combined [] = {
144 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
145 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
146 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
147 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
148 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
149 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
150 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
151 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
152 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
153 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
154 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
155 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
156 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
157 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
158 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
159 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
160 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
161 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
162 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
163 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
164 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
165 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
166 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
167 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
168 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
169 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
170 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
171 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
172 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
173 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
174 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
175 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
176 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
177 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
178 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
179 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
180 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
181 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
182 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
183 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
184 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
185 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
186 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
187 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
188 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
189 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
190 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
191 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
192 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
193 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
194 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
195 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
196 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
197 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
198 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
199 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
200 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
201 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
202 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
203 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
204 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
205 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
206 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
207 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
208 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
209 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
210 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
211 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
212 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
213 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
214 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
215 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
216 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
217 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
218 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
219 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
220 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
221 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
222 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
227 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
233 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
239 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
241 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
242 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
244 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
245 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
247 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
248 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
250 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
254 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
273 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
275 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
277 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
279 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
281 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
283 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
285 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
287 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
288 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
289 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
290 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
291 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
292 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
293 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
294 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
295 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
296 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
297 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
298 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
300 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
302 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
304 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
451 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
452 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
453 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
454 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
455 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
456 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
457 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
458 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
459 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
460 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
461 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
462 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
463 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
464 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
465 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
466 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
467 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
468 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
469 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
470 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
471 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
472 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
473 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
474 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
475 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
492 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
493 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
494 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
495 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
496 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
497 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
498 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
499 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
500 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
501 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
502 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
503 { USB_DEVICE(OCT_VID, OCT_US101_PID) },
504 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
505 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
506 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
507 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
508 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
509 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
510 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
511 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
512 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
513 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
514 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
515 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
516 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
517 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
518 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
519 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
520 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
521 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
522 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
523 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
524 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
525 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
526 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
527 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
528 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
529 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
530 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
531 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
532 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
533 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
534 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
535 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
536 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
537 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
538 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
539 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
540 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
541 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
542 /*
543 * Due to many user requests for multiple ELV devices we enable
544 * them by default.
545 */
546 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
547 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
548 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
549 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
550 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
551 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
552 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
553 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
554 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
555 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
556 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
557 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
558 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
559 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
560 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
561 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
562 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
563 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
564 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
565 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
566 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
567 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
568 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
569 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
570 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
571 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
572 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
573 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
574 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
575 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
576 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
577 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
578 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
579 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
580 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
581 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
582 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
583 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
584 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
585 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
586 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
587 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
588 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
589 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
590 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
591 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
592 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
593 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
594 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
595 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
596 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
597 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
598 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
599 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
600 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
601 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
602 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
603 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
604 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
605 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
606 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
607 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
608 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
609 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
610 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
611 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
612 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
613 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
614 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
615 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
616 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
617 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
618 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
619 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
620 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
621 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
622 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
623 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
624 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
625 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
626 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
627 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
628 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
629 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
630 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
631 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
632 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
633 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
634 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
635 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
636 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
637 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
638 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
639 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
640 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
641 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
642 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
643 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
644 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
645 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
646 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
647 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
648 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
649 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
650 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
651 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
652 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
653 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
654 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
655 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
656 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
657 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
658 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
659 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
660 { USB_DEVICE(ATMEL_VID, STK541_PID) },
661 { USB_DEVICE(DE_VID, STB_PID) },
662 { USB_DEVICE(DE_VID, WHT_PID) },
663 { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
664 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
665 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
666 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
667 { }, /* Optional parameter entry */
668 { } /* Terminating entry */
669 };
670
671 MODULE_DEVICE_TABLE(usb, id_table_combined);
672
673 static struct usb_driver ftdi_driver = {
674 .name = "ftdi_sio",
675 .probe = usb_serial_probe,
676 .disconnect = usb_serial_disconnect,
677 .id_table = id_table_combined,
678 .no_dynamic_id = 1,
679 };
680
681 static const char *ftdi_chip_name[] = {
682 [SIO] = "SIO", /* the serial part of FT8U100AX */
683 [FT8U232AM] = "FT8U232AM",
684 [FT232BM] = "FT232BM",
685 [FT2232C] = "FT2232C",
686 [FT232RL] = "FT232RL",
687 };
688
689
690 /* Constants for read urb and write urb */
691 #define BUFSZ 512
692 #define PKTSZ 64
693
694 /* rx_flags */
695 #define THROTTLED 0x01
696 #define ACTUALLY_THROTTLED 0x02
697
698 /* Used for TIOCMIWAIT */
699 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
700 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
701 /* End TIOCMIWAIT */
702
703 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
704 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
705
706 /* function prototypes for a FTDI serial converter */
707 static int ftdi_sio_probe(struct usb_serial *serial,
708 const struct usb_device_id *id);
709 static void ftdi_shutdown(struct usb_serial *serial);
710 static int ftdi_sio_port_probe(struct usb_serial_port *port);
711 static int ftdi_sio_port_remove(struct usb_serial_port *port);
712 static int ftdi_open(struct tty_struct *tty,
713 struct usb_serial_port *port, struct file *filp);
714 static void ftdi_close(struct tty_struct *tty,
715 struct usb_serial_port *port, struct file *filp);
716 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
717 const unsigned char *buf, int count);
718 static int ftdi_write_room(struct tty_struct *tty);
719 static int ftdi_chars_in_buffer(struct tty_struct *tty);
720 static void ftdi_write_bulk_callback(struct urb *urb);
721 static void ftdi_read_bulk_callback(struct urb *urb);
722 static void ftdi_process_read(struct work_struct *work);
723 static void ftdi_set_termios(struct tty_struct *tty,
724 struct usb_serial_port *port, struct ktermios *old);
725 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file);
726 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
727 unsigned int set, unsigned int clear);
728 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
729 unsigned int cmd, unsigned long arg);
730 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
731 static void ftdi_throttle(struct tty_struct *tty);
732 static void ftdi_unthrottle(struct tty_struct *tty);
733
734 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
735 static unsigned short int ftdi_232am_baud_to_divisor(int baud);
736 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
737 static __u32 ftdi_232bm_baud_to_divisor(int baud);
738
739 static struct usb_serial_driver ftdi_sio_device = {
740 .driver = {
741 .owner = THIS_MODULE,
742 .name = "ftdi_sio",
743 },
744 .description = "FTDI USB Serial Device",
745 .usb_driver = &ftdi_driver ,
746 .id_table = id_table_combined,
747 .num_ports = 1,
748 .probe = ftdi_sio_probe,
749 .port_probe = ftdi_sio_port_probe,
750 .port_remove = ftdi_sio_port_remove,
751 .open = ftdi_open,
752 .close = ftdi_close,
753 .throttle = ftdi_throttle,
754 .unthrottle = ftdi_unthrottle,
755 .write = ftdi_write,
756 .write_room = ftdi_write_room,
757 .chars_in_buffer = ftdi_chars_in_buffer,
758 .read_bulk_callback = ftdi_read_bulk_callback,
759 .write_bulk_callback = ftdi_write_bulk_callback,
760 .tiocmget = ftdi_tiocmget,
761 .tiocmset = ftdi_tiocmset,
762 .ioctl = ftdi_ioctl,
763 .set_termios = ftdi_set_termios,
764 .break_ctl = ftdi_break_ctl,
765 .shutdown = ftdi_shutdown,
766 };
767
768
769 #define WDR_TIMEOUT 5000 /* default urb timeout */
770 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
771
772 /* High and low are for DTR, RTS etc etc */
773 #define HIGH 1
774 #define LOW 0
775
776 /* number of outstanding urbs to prevent userspace DoS from happening */
777 #define URB_UPPER_LIMIT 42
778
779 /*
780 * ***************************************************************************
781 * Utility functions
782 * ***************************************************************************
783 */
784
785 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
786 {
787 unsigned short int divisor;
788 /* divisor shifted 3 bits to the left */
789 int divisor3 = base / 2 / baud;
790 if ((divisor3 & 0x7) == 7)
791 divisor3++; /* round x.7/8 up to x+1 */
792 divisor = divisor3 >> 3;
793 divisor3 &= 0x7;
794 if (divisor3 == 1)
795 divisor |= 0xc000;
796 else if (divisor3 >= 4)
797 divisor |= 0x4000;
798 else if (divisor3 != 0)
799 divisor |= 0x8000;
800 else if (divisor == 1)
801 divisor = 0; /* special case for maximum baud rate */
802 return divisor;
803 }
804
805 static unsigned short int ftdi_232am_baud_to_divisor(int baud)
806 {
807 return ftdi_232am_baud_base_to_divisor(baud, 48000000);
808 }
809
810 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
811 {
812 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
813 __u32 divisor;
814 /* divisor shifted 3 bits to the left */
815 int divisor3 = base / 2 / baud;
816 divisor = divisor3 >> 3;
817 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
818 /* Deal with special cases for highest baud rates. */
819 if (divisor == 1)
820 divisor = 0;
821 else if (divisor == 0x4001)
822 divisor = 1;
823 return divisor;
824 }
825
826 static __u32 ftdi_232bm_baud_to_divisor(int baud)
827 {
828 return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
829 }
830
831 #define set_mctrl(port, set) update_mctrl((port), (set), 0)
832 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear))
833
834 static int update_mctrl(struct usb_serial_port *port, unsigned int set,
835 unsigned int clear)
836 {
837 struct ftdi_private *priv = usb_get_serial_port_data(port);
838 char *buf;
839 unsigned urb_value;
840 int rv;
841
842 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
843 dbg("%s - DTR|RTS not being set|cleared", __func__);
844 return 0; /* no change */
845 }
846
847 buf = kmalloc(1, GFP_NOIO);
848 if (!buf)
849 return -ENOMEM;
850
851 clear &= ~set; /* 'set' takes precedence over 'clear' */
852 urb_value = 0;
853 if (clear & TIOCM_DTR)
854 urb_value |= FTDI_SIO_SET_DTR_LOW;
855 if (clear & TIOCM_RTS)
856 urb_value |= FTDI_SIO_SET_RTS_LOW;
857 if (set & TIOCM_DTR)
858 urb_value |= FTDI_SIO_SET_DTR_HIGH;
859 if (set & TIOCM_RTS)
860 urb_value |= FTDI_SIO_SET_RTS_HIGH;
861 rv = usb_control_msg(port->serial->dev,
862 usb_sndctrlpipe(port->serial->dev, 0),
863 FTDI_SIO_SET_MODEM_CTRL_REQUEST,
864 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
865 urb_value, priv->interface,
866 buf, 0, WDR_TIMEOUT);
867
868 kfree(buf);
869 if (rv < 0) {
870 err("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
871 __func__,
872 (set & TIOCM_DTR) ? "HIGH" :
873 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
874 (set & TIOCM_RTS) ? "HIGH" :
875 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
876 } else {
877 dbg("%s - DTR %s, RTS %s", __func__,
878 (set & TIOCM_DTR) ? "HIGH" :
879 (clear & TIOCM_DTR) ? "LOW" : "unchanged",
880 (set & TIOCM_RTS) ? "HIGH" :
881 (clear & TIOCM_RTS) ? "LOW" : "unchanged");
882 /* FIXME: locking on last_dtr_rts */
883 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
884 }
885 return rv;
886 }
887
888
889 static __u32 get_ftdi_divisor(struct tty_struct *tty,
890 struct usb_serial_port *port)
891 { /* get_ftdi_divisor */
892 struct ftdi_private *priv = usb_get_serial_port_data(port);
893 __u32 div_value = 0;
894 int div_okay = 1;
895 int baud;
896
897 /*
898 * The logic involved in setting the baudrate can be cleanly split into
899 * 3 steps.
900 * 1. Standard baud rates are set in tty->termios->c_cflag
901 * 2. If these are not enough, you can set any speed using alt_speed as
902 * follows:
903 * - set tty->termios->c_cflag speed to B38400
904 * - set your real speed in tty->alt_speed; it gets ignored when
905 * alt_speed==0, (or)
906 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
907 * follows:
908 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
909 * this just sets alt_speed to (HI: 57600, VHI: 115200,
910 * SHI: 230400, WARP: 460800)
911 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
912 * 3. You can also set baud rate by setting custom divisor as follows
913 * - set tty->termios->c_cflag speed to B38400
914 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as
915 * follows:
916 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
917 * o custom_divisor set to baud_base / your_new_baudrate
918 * ** Step 3 is done courtesy of code borrowed from serial.c
919 * I should really spend some time and separate + move this common
920 * code to serial.c, it is replicated in nearly every serial driver
921 * you see.
922 */
923
924 /* 1. Get the baud rate from the tty settings, this observes
925 alt_speed hack */
926
927 baud = tty_get_baud_rate(tty);
928 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
929
930 /* 2. Observe async-compatible custom_divisor hack, update baudrate
931 if needed */
932
933 if (baud == 38400 &&
934 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
935 (priv->custom_divisor)) {
936 baud = priv->baud_base / priv->custom_divisor;
937 dbg("%s - custom divisor %d sets baud rate to %d",
938 __func__, priv->custom_divisor, baud);
939 }
940
941 /* 3. Convert baudrate to device-specific divisor */
942
943 if (!baud)
944 baud = 9600;
945 switch (priv->chip_type) {
946 case SIO: /* SIO chip */
947 switch (baud) {
948 case 300: div_value = ftdi_sio_b300; break;
949 case 600: div_value = ftdi_sio_b600; break;
950 case 1200: div_value = ftdi_sio_b1200; break;
951 case 2400: div_value = ftdi_sio_b2400; break;
952 case 4800: div_value = ftdi_sio_b4800; break;
953 case 9600: div_value = ftdi_sio_b9600; break;
954 case 19200: div_value = ftdi_sio_b19200; break;
955 case 38400: div_value = ftdi_sio_b38400; break;
956 case 57600: div_value = ftdi_sio_b57600; break;
957 case 115200: div_value = ftdi_sio_b115200; break;
958 } /* baud */
959 if (div_value == 0) {
960 dbg("%s - Baudrate (%d) requested is not supported",
961 __func__, baud);
962 div_value = ftdi_sio_b9600;
963 baud = 9600;
964 div_okay = 0;
965 }
966 break;
967 case FT8U232AM: /* 8U232AM chip */
968 if (baud <= 3000000) {
969 div_value = ftdi_232am_baud_to_divisor(baud);
970 } else {
971 dbg("%s - Baud rate too high!", __func__);
972 baud = 9600;
973 div_value = ftdi_232am_baud_to_divisor(9600);
974 div_okay = 0;
975 }
976 break;
977 case FT232BM: /* FT232BM chip */
978 case FT2232C: /* FT2232C chip */
979 case FT232RL:
980 if (baud <= 3000000) {
981 div_value = ftdi_232bm_baud_to_divisor(baud);
982 } else {
983 dbg("%s - Baud rate too high!", __func__);
984 div_value = ftdi_232bm_baud_to_divisor(9600);
985 div_okay = 0;
986 baud = 9600;
987 }
988 break;
989 } /* priv->chip_type */
990
991 if (div_okay) {
992 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
993 __func__, baud, (unsigned long)div_value,
994 ftdi_chip_name[priv->chip_type]);
995 }
996
997 tty_encode_baud_rate(tty, baud, baud);
998 return div_value;
999 }
1000
1001 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1002 {
1003 struct ftdi_private *priv = usb_get_serial_port_data(port);
1004 char *buf;
1005 __u16 urb_value;
1006 __u16 urb_index;
1007 __u32 urb_index_value;
1008 int rv;
1009
1010 buf = kmalloc(1, GFP_NOIO);
1011 if (!buf)
1012 return -ENOMEM;
1013
1014 urb_index_value = get_ftdi_divisor(tty, port);
1015 urb_value = (__u16)urb_index_value;
1016 urb_index = (__u16)(urb_index_value >> 16);
1017 if (priv->interface) { /* FT2232C */
1018 urb_index = (__u16)((urb_index << 8) | priv->interface);
1019 }
1020
1021 rv = usb_control_msg(port->serial->dev,
1022 usb_sndctrlpipe(port->serial->dev, 0),
1023 FTDI_SIO_SET_BAUDRATE_REQUEST,
1024 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1025 urb_value, urb_index,
1026 buf, 0, WDR_SHORT_TIMEOUT);
1027
1028 kfree(buf);
1029 return rv;
1030 }
1031
1032
1033
1034 static int get_serial_info(struct usb_serial_port *port,
1035 struct serial_struct __user *retinfo)
1036 {
1037 struct ftdi_private *priv = usb_get_serial_port_data(port);
1038 struct serial_struct tmp;
1039
1040 if (!retinfo)
1041 return -EFAULT;
1042 memset(&tmp, 0, sizeof(tmp));
1043 tmp.flags = priv->flags;
1044 tmp.baud_base = priv->baud_base;
1045 tmp.custom_divisor = priv->custom_divisor;
1046 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1047 return -EFAULT;
1048 return 0;
1049 } /* get_serial_info */
1050
1051
1052 static int set_serial_info(struct tty_struct *tty,
1053 struct usb_serial_port *port, struct serial_struct __user *newinfo)
1054 { /* set_serial_info */
1055 struct ftdi_private *priv = usb_get_serial_port_data(port);
1056 struct serial_struct new_serial;
1057 struct ftdi_private old_priv;
1058
1059 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1060 return -EFAULT;
1061 old_priv = *priv;
1062
1063 /* Do error checking and permission checking */
1064
1065 if (!capable(CAP_SYS_ADMIN)) {
1066 if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1067 (priv->flags & ~ASYNC_USR_MASK)))
1068 return -EPERM;
1069 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1070 (new_serial.flags & ASYNC_USR_MASK));
1071 priv->custom_divisor = new_serial.custom_divisor;
1072 goto check_and_exit;
1073 }
1074
1075 if ((new_serial.baud_base != priv->baud_base) &&
1076 (new_serial.baud_base < 9600))
1077 return -EINVAL;
1078
1079 /* Make the changes - these are privileged changes! */
1080
1081 priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1082 (new_serial.flags & ASYNC_FLAGS));
1083 priv->custom_divisor = new_serial.custom_divisor;
1084
1085 tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
1086
1087 check_and_exit:
1088 if ((old_priv.flags & ASYNC_SPD_MASK) !=
1089 (priv->flags & ASYNC_SPD_MASK)) {
1090 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1091 tty->alt_speed = 57600;
1092 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1093 tty->alt_speed = 115200;
1094 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1095 tty->alt_speed = 230400;
1096 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1097 tty->alt_speed = 460800;
1098 else
1099 tty->alt_speed = 0;
1100 }
1101 if (((old_priv.flags & ASYNC_SPD_MASK) !=
1102 (priv->flags & ASYNC_SPD_MASK)) ||
1103 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1104 (old_priv.custom_divisor != priv->custom_divisor))) {
1105 change_speed(tty, port);
1106 }
1107 return 0;
1108
1109 } /* set_serial_info */
1110
1111
1112 /* Determine type of FTDI chip based on USB config and descriptor. */
1113 static void ftdi_determine_type(struct usb_serial_port *port)
1114 {
1115 struct ftdi_private *priv = usb_get_serial_port_data(port);
1116 struct usb_serial *serial = port->serial;
1117 struct usb_device *udev = serial->dev;
1118 unsigned version;
1119 unsigned interfaces;
1120
1121 /* Assume it is not the original SIO device for now. */
1122 priv->baud_base = 48000000 / 2;
1123 priv->write_offset = 0;
1124
1125 version = le16_to_cpu(udev->descriptor.bcdDevice);
1126 interfaces = udev->actconfig->desc.bNumInterfaces;
1127 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1128 version, interfaces);
1129 if (interfaces > 1) {
1130 int inter;
1131
1132 /* Multiple interfaces. Assume FT2232C. */
1133 priv->chip_type = FT2232C;
1134 /* Determine interface code. */
1135 inter = serial->interface->altsetting->desc.bInterfaceNumber;
1136 if (inter == 0)
1137 priv->interface = PIT_SIOA;
1138 else
1139 priv->interface = PIT_SIOB;
1140 /* BM-type devices have a bug where bcdDevice gets set
1141 * to 0x200 when iSerialNumber is 0. */
1142 if (version < 0x500) {
1143 dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1144 __func__);
1145 }
1146 } else if (version < 0x200) {
1147 /* Old device. Assume its the original SIO. */
1148 priv->chip_type = SIO;
1149 priv->baud_base = 12000000 / 16;
1150 priv->write_offset = 1;
1151 } else if (version < 0x400) {
1152 /* Assume its an FT8U232AM (or FT8U245AM) */
1153 /* (It might be a BM because of the iSerialNumber bug,
1154 * but it will still work as an AM device.) */
1155 priv->chip_type = FT8U232AM;
1156 } else if (version < 0x600) {
1157 /* Assume its an FT232BM (or FT245BM) */
1158 priv->chip_type = FT232BM;
1159 } else {
1160 /* Assume its an FT232R */
1161 priv->chip_type = FT232RL;
1162 }
1163 info("Detected %s", ftdi_chip_name[priv->chip_type]);
1164 }
1165
1166
1167 /*
1168 * ***************************************************************************
1169 * Sysfs Attribute
1170 * ***************************************************************************
1171 */
1172
1173 static ssize_t show_latency_timer(struct device *dev,
1174 struct device_attribute *attr, char *buf)
1175 {
1176 struct usb_serial_port *port = to_usb_serial_port(dev);
1177 struct ftdi_private *priv = usb_get_serial_port_data(port);
1178 struct usb_device *udev = port->serial->dev;
1179 unsigned short latency = 0;
1180 int rv = 0;
1181
1182
1183 dbg("%s", __func__);
1184
1185 rv = usb_control_msg(udev,
1186 usb_rcvctrlpipe(udev, 0),
1187 FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1188 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1189 0, priv->interface,
1190 (char *) &latency, 1, WDR_TIMEOUT);
1191
1192 if (rv < 0) {
1193 dev_err(dev, "Unable to read latency timer: %i\n", rv);
1194 return -EIO;
1195 }
1196 return sprintf(buf, "%i\n", latency);
1197 }
1198
1199 /* Write a new value of the latency timer, in units of milliseconds. */
1200 static ssize_t store_latency_timer(struct device *dev,
1201 struct device_attribute *attr, const char *valbuf,
1202 size_t count)
1203 {
1204 struct usb_serial_port *port = to_usb_serial_port(dev);
1205 struct ftdi_private *priv = usb_get_serial_port_data(port);
1206 struct usb_device *udev = port->serial->dev;
1207 char buf[1];
1208 int v = simple_strtoul(valbuf, NULL, 10);
1209 int rv = 0;
1210
1211 dbg("%s: setting latency timer = %i", __func__, v);
1212
1213 rv = usb_control_msg(udev,
1214 usb_sndctrlpipe(udev, 0),
1215 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1216 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1217 v, priv->interface,
1218 buf, 0, WDR_TIMEOUT);
1219
1220 if (rv < 0) {
1221 dev_err(dev, "Unable to write latency timer: %i\n", rv);
1222 return -EIO;
1223 }
1224
1225 return count;
1226 }
1227
1228 /* Write an event character directly to the FTDI register. The ASCII
1229 value is in the low 8 bits, with the enable bit in the 9th bit. */
1230 static ssize_t store_event_char(struct device *dev,
1231 struct device_attribute *attr, const char *valbuf, size_t count)
1232 {
1233 struct usb_serial_port *port = to_usb_serial_port(dev);
1234 struct ftdi_private *priv = usb_get_serial_port_data(port);
1235 struct usb_device *udev = port->serial->dev;
1236 char buf[1];
1237 int v = simple_strtoul(valbuf, NULL, 10);
1238 int rv = 0;
1239
1240 dbg("%s: setting event char = %i", __func__, v);
1241
1242 rv = usb_control_msg(udev,
1243 usb_sndctrlpipe(udev, 0),
1244 FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1245 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1246 v, priv->interface,
1247 buf, 0, WDR_TIMEOUT);
1248
1249 if (rv < 0) {
1250 dbg("Unable to write event character: %i", rv);
1251 return -EIO;
1252 }
1253
1254 return count;
1255 }
1256
1257 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1258 store_latency_timer);
1259 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1260
1261 static int create_sysfs_attrs(struct usb_serial_port *port)
1262 {
1263 struct ftdi_private *priv = usb_get_serial_port_data(port);
1264 int retval = 0;
1265
1266 dbg("%s", __func__);
1267
1268 /* XXX I've no idea if the original SIO supports the event_char
1269 * sysfs parameter, so I'm playing it safe. */
1270 if (priv->chip_type != SIO) {
1271 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1272 retval = device_create_file(&port->dev, &dev_attr_event_char);
1273 if ((!retval) &&
1274 (priv->chip_type == FT232BM ||
1275 priv->chip_type == FT2232C ||
1276 priv->chip_type == FT232RL)) {
1277 retval = device_create_file(&port->dev,
1278 &dev_attr_latency_timer);
1279 }
1280 }
1281 return retval;
1282 }
1283
1284 static void remove_sysfs_attrs(struct usb_serial_port *port)
1285 {
1286 struct ftdi_private *priv = usb_get_serial_port_data(port);
1287
1288 dbg("%s", __func__);
1289
1290 /* XXX see create_sysfs_attrs */
1291 if (priv->chip_type != SIO) {
1292 device_remove_file(&port->dev, &dev_attr_event_char);
1293 if (priv->chip_type == FT232BM ||
1294 priv->chip_type == FT2232C ||
1295 priv->chip_type == FT232RL) {
1296 device_remove_file(&port->dev, &dev_attr_latency_timer);
1297 }
1298 }
1299
1300 }
1301
1302 /*
1303 * ***************************************************************************
1304 * FTDI driver specific functions
1305 * ***************************************************************************
1306 */
1307
1308 /* Probe function to check for special devices */
1309 static int ftdi_sio_probe(struct usb_serial *serial,
1310 const struct usb_device_id *id)
1311 {
1312 struct ftdi_sio_quirk *quirk =
1313 (struct ftdi_sio_quirk *)id->driver_info;
1314
1315 if (quirk && quirk->probe) {
1316 int ret = quirk->probe(serial);
1317 if (ret != 0)
1318 return ret;
1319 }
1320
1321 usb_set_serial_data(serial, (void *)id->driver_info);
1322
1323 return 0;
1324 }
1325
1326 static int ftdi_sio_port_probe(struct usb_serial_port *port)
1327 {
1328 struct ftdi_private *priv;
1329 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1330
1331
1332 dbg("%s", __func__);
1333
1334 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1335 if (!priv) {
1336 err("%s- kmalloc(%Zd) failed.", __func__,
1337 sizeof(struct ftdi_private));
1338 return -ENOMEM;
1339 }
1340
1341 spin_lock_init(&priv->rx_lock);
1342 spin_lock_init(&priv->tx_lock);
1343 init_waitqueue_head(&priv->delta_msr_wait);
1344 /* This will push the characters through immediately rather
1345 than queue a task to deliver them */
1346 priv->flags = ASYNC_LOW_LATENCY;
1347
1348 if (quirk && quirk->port_probe)
1349 quirk->port_probe(priv);
1350
1351 /* Increase the size of read buffers */
1352 kfree(port->bulk_in_buffer);
1353 port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL);
1354 if (!port->bulk_in_buffer) {
1355 kfree(priv);
1356 return -ENOMEM;
1357 }
1358 if (port->read_urb) {
1359 port->read_urb->transfer_buffer = port->bulk_in_buffer;
1360 port->read_urb->transfer_buffer_length = BUFSZ;
1361 }
1362
1363 INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read);
1364 priv->port = port;
1365
1366 /* Free port's existing write urb and transfer buffer. */
1367 if (port->write_urb) {
1368 usb_free_urb(port->write_urb);
1369 port->write_urb = NULL;
1370 }
1371 kfree(port->bulk_out_buffer);
1372 port->bulk_out_buffer = NULL;
1373
1374 usb_set_serial_port_data(port, priv);
1375
1376 ftdi_determine_type(port);
1377 create_sysfs_attrs(port);
1378 return 0;
1379 }
1380
1381 /* Setup for the USB-UIRT device, which requires hardwired
1382 * baudrate (38400 gets mapped to 312500) */
1383 /* Called from usbserial:serial_probe */
1384 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1385 {
1386 dbg("%s", __func__);
1387
1388 priv->flags |= ASYNC_SPD_CUST;
1389 priv->custom_divisor = 77;
1390 priv->force_baud = 38400;
1391 } /* ftdi_USB_UIRT_setup */
1392
1393 /* Setup for the HE-TIRA1 device, which requires hardwired
1394 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */
1395
1396 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1397 {
1398 dbg("%s", __func__);
1399
1400 priv->flags |= ASYNC_SPD_CUST;
1401 priv->custom_divisor = 240;
1402 priv->force_baud = 38400;
1403 priv->force_rtscts = 1;
1404 } /* ftdi_HE_TIRA1_setup */
1405
1406 /*
1407 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1408 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1409 * userspace using openocd.
1410 */
1411 static int ftdi_jtag_probe(struct usb_serial *serial)
1412 {
1413 struct usb_device *udev = serial->dev;
1414 struct usb_interface *interface = serial->interface;
1415
1416 dbg("%s", __func__);
1417
1418 if (interface == udev->actconfig->interface[0]) {
1419 info("Ignoring serial port reserved for JTAG");
1420 return -ENODEV;
1421 }
1422
1423 return 0;
1424 }
1425
1426 /*
1427 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1428 * We have to correct it if we want to read from it.
1429 */
1430 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1431 {
1432 struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1433 struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1434
1435 if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1436 ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1437 info("Fixing invalid wMaxPacketSize on read pipe");
1438 }
1439
1440 return 0;
1441 }
1442
1443 /* ftdi_shutdown is called from usbserial:usb_serial_disconnect
1444 * it is called when the usb device is disconnected
1445 *
1446 * usbserial:usb_serial_disconnect
1447 * calls __serial_close for each open of the port
1448 * shutdown is called then (ie ftdi_shutdown)
1449 */
1450 static void ftdi_shutdown(struct usb_serial *serial)
1451 {
1452 dbg("%s", __func__);
1453 }
1454
1455 static int ftdi_sio_port_remove(struct usb_serial_port *port)
1456 {
1457 struct ftdi_private *priv = usb_get_serial_port_data(port);
1458
1459 dbg("%s", __func__);
1460
1461 remove_sysfs_attrs(port);
1462
1463 /* all open ports are closed at this point
1464 * (by usbserial.c:__serial_close, which calls ftdi_close)
1465 */
1466
1467 if (priv) {
1468 usb_set_serial_port_data(port, NULL);
1469 kfree(priv);
1470 }
1471
1472 return 0;
1473 }
1474
1475 static int ftdi_open(struct tty_struct *tty,
1476 struct usb_serial_port *port, struct file *filp)
1477 { /* ftdi_open */
1478 struct usb_device *dev = port->serial->dev;
1479 struct ftdi_private *priv = usb_get_serial_port_data(port);
1480 unsigned long flags;
1481
1482 int result = 0;
1483 char buf[1]; /* Needed for the usb_control_msg I think */
1484
1485 dbg("%s", __func__);
1486
1487 spin_lock_irqsave(&priv->tx_lock, flags);
1488 priv->tx_bytes = 0;
1489 spin_unlock_irqrestore(&priv->tx_lock, flags);
1490 spin_lock_irqsave(&priv->rx_lock, flags);
1491 priv->rx_bytes = 0;
1492 spin_unlock_irqrestore(&priv->rx_lock, flags);
1493
1494 if (tty)
1495 tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
1496
1497 /* No error checking for this (will get errors later anyway) */
1498 /* See ftdi_sio.h for description of what is reset */
1499 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1500 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1501 FTDI_SIO_RESET_SIO,
1502 priv->interface, buf, 0, WDR_TIMEOUT);
1503
1504 /* Termios defaults are set by usb_serial_init. We don't change
1505 port->tty->termios - this would loose speed settings, etc.
1506 This is same behaviour as serial.c/rs_open() - Kuba */
1507
1508 /* ftdi_set_termios will send usb control messages */
1509 if (tty)
1510 ftdi_set_termios(tty, port, tty->termios);
1511
1512 /* FIXME: Flow control might be enabled, so it should be checked -
1513 we have no control of defaults! */
1514 /* Turn on RTS and DTR since we are not flow controlling by default */
1515 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1516
1517 /* Not throttled */
1518 spin_lock_irqsave(&priv->rx_lock, flags);
1519 priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
1520 spin_unlock_irqrestore(&priv->rx_lock, flags);
1521
1522 /* Start reading from the device */
1523 priv->rx_processed = 0;
1524 usb_fill_bulk_urb(port->read_urb, dev,
1525 usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress),
1526 port->read_urb->transfer_buffer,
1527 port->read_urb->transfer_buffer_length,
1528 ftdi_read_bulk_callback, port);
1529 result = usb_submit_urb(port->read_urb, GFP_KERNEL);
1530 if (result)
1531 err("%s - failed submitting read urb, error %d",
1532 __func__, result);
1533
1534
1535 return result;
1536 } /* ftdi_open */
1537
1538
1539
1540 /*
1541 * usbserial:__serial_close only calls ftdi_close if the point is open
1542 *
1543 * This only gets called when it is the last close
1544 *
1545 *
1546 */
1547
1548 static void ftdi_close(struct tty_struct *tty,
1549 struct usb_serial_port *port, struct file *filp)
1550 { /* ftdi_close */
1551 unsigned int c_cflag = tty->termios->c_cflag;
1552 struct ftdi_private *priv = usb_get_serial_port_data(port);
1553 char buf[1];
1554
1555 dbg("%s", __func__);
1556
1557 mutex_lock(&port->serial->disc_mutex);
1558 if (c_cflag & HUPCL && !port->serial->disconnected) {
1559 /* Disable flow control */
1560 if (usb_control_msg(port->serial->dev,
1561 usb_sndctrlpipe(port->serial->dev, 0),
1562 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1563 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1564 0, priv->interface, buf, 0,
1565 WDR_TIMEOUT) < 0) {
1566 err("error from flowcontrol urb");
1567 }
1568
1569 /* drop RTS and DTR */
1570 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1571 } /* Note change no line if hupcl is off */
1572 mutex_unlock(&port->serial->disc_mutex);
1573
1574 /* cancel any scheduled reading */
1575 cancel_delayed_work(&priv->rx_work);
1576 flush_scheduled_work();
1577
1578 /* shutdown our bulk read */
1579 usb_kill_urb(port->read_urb);
1580 } /* ftdi_close */
1581
1582
1583
1584 /* The SIO requires the first byte to have:
1585 * B0 1
1586 * B1 0
1587 * B2..7 length of message excluding byte 0
1588 *
1589 * The new devices do not require this byte
1590 */
1591 static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
1592 const unsigned char *buf, int count)
1593 { /* ftdi_write */
1594 struct ftdi_private *priv = usb_get_serial_port_data(port);
1595 struct urb *urb;
1596 unsigned char *buffer;
1597 int data_offset ; /* will be 1 for the SIO and 0 otherwise */
1598 int status;
1599 int transfer_size;
1600 unsigned long flags;
1601
1602 dbg("%s port %d, %d bytes", __func__, port->number, count);
1603
1604 if (count == 0) {
1605 dbg("write request of 0 bytes");
1606 return 0;
1607 }
1608 spin_lock_irqsave(&priv->tx_lock, flags);
1609 if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
1610 spin_unlock_irqrestore(&priv->tx_lock, flags);
1611 dbg("%s - write limit hit\n", __func__);
1612 return 0;
1613 }
1614 priv->tx_outstanding_urbs++;
1615 spin_unlock_irqrestore(&priv->tx_lock, flags);
1616
1617 data_offset = priv->write_offset;
1618 dbg("data_offset set to %d", data_offset);
1619
1620 /* Determine total transfer size */
1621 transfer_size = count;
1622 if (data_offset > 0) {
1623 /* Original sio needs control bytes too... */
1624 transfer_size += (data_offset *
1625 ((count + (PKTSZ - 1 - data_offset)) /
1626 (PKTSZ - data_offset)));
1627 }
1628
1629 buffer = kmalloc(transfer_size, GFP_ATOMIC);
1630 if (!buffer) {
1631 err("%s ran out of kernel memory for urb ...", __func__);
1632 count = -ENOMEM;
1633 goto error_no_buffer;
1634 }
1635
1636 urb = usb_alloc_urb(0, GFP_ATOMIC);
1637 if (!urb) {
1638 err("%s - no more free urbs", __func__);
1639 count = -ENOMEM;
1640 goto error_no_urb;
1641 }
1642
1643 /* Copy data */
1644 if (data_offset > 0) {
1645 /* Original sio requires control byte at start of
1646 each packet. */
1647 int user_pktsz = PKTSZ - data_offset;
1648 int todo = count;
1649 unsigned char *first_byte = buffer;
1650 const unsigned char *current_position = buf;
1651
1652 while (todo > 0) {
1653 if (user_pktsz > todo)
1654 user_pktsz = todo;
1655 /* Write the control byte at the front of the packet*/
1656 *first_byte = 1 | ((user_pktsz) << 2);
1657 /* Copy data for packet */
1658 memcpy(first_byte + data_offset,
1659 current_position, user_pktsz);
1660 first_byte += user_pktsz + data_offset;
1661 current_position += user_pktsz;
1662 todo -= user_pktsz;
1663 }
1664 } else {
1665 /* No control byte required. */
1666 /* Copy in the data to send */
1667 memcpy(buffer, buf, count);
1668 }
1669
1670 usb_serial_debug_data(debug, &port->dev, __func__,
1671 transfer_size, buffer);
1672
1673 /* fill the buffer and send it */
1674 usb_fill_bulk_urb(urb, port->serial->dev,
1675 usb_sndbulkpipe(port->serial->dev,
1676 port->bulk_out_endpointAddress),
1677 buffer, transfer_size,
1678 ftdi_write_bulk_callback, port);
1679
1680 status = usb_submit_urb(urb, GFP_ATOMIC);
1681 if (status) {
1682 err("%s - failed submitting write urb, error %d",
1683 __func__, status);
1684 count = status;
1685 goto error;
1686 } else {
1687 spin_lock_irqsave(&priv->tx_lock, flags);
1688 priv->tx_outstanding_bytes += count;
1689 priv->tx_bytes += count;
1690 spin_unlock_irqrestore(&priv->tx_lock, flags);
1691 }
1692
1693 /* we are done with this urb, so let the host driver
1694 * really free it when it is finished with it */
1695 usb_free_urb(urb);
1696
1697 dbg("%s write returning: %d", __func__, count);
1698 return count;
1699 error:
1700 usb_free_urb(urb);
1701 error_no_urb:
1702 kfree(buffer);
1703 error_no_buffer:
1704 spin_lock_irqsave(&priv->tx_lock, flags);
1705 priv->tx_outstanding_urbs--;
1706 spin_unlock_irqrestore(&priv->tx_lock, flags);
1707 return count;
1708 } /* ftdi_write */
1709
1710
1711 /* This function may get called when the device is closed */
1712
1713 static void ftdi_write_bulk_callback(struct urb *urb)
1714 {
1715 unsigned long flags;
1716 struct usb_serial_port *port = urb->context;
1717 struct ftdi_private *priv;
1718 int data_offset; /* will be 1 for the SIO and 0 otherwise */
1719 unsigned long countback;
1720 int status = urb->status;
1721
1722 /* free up the transfer buffer, as usb_free_urb() does not do this */
1723 kfree(urb->transfer_buffer);
1724
1725 dbg("%s - port %d", __func__, port->number);
1726
1727 if (status) {
1728 dbg("nonzero write bulk status received: %d", status);
1729 return;
1730 }
1731
1732 priv = usb_get_serial_port_data(port);
1733 if (!priv) {
1734 dbg("%s - bad port private data pointer - exiting", __func__);
1735 return;
1736 }
1737 /* account for transferred data */
1738 countback = urb->actual_length;
1739 data_offset = priv->write_offset;
1740 if (data_offset > 0) {
1741 /* Subtract the control bytes */
1742 countback -= (data_offset * DIV_ROUND_UP(countback, PKTSZ));
1743 }
1744 spin_lock_irqsave(&priv->tx_lock, flags);
1745 --priv->tx_outstanding_urbs;
1746 priv->tx_outstanding_bytes -= countback;
1747 spin_unlock_irqrestore(&priv->tx_lock, flags);
1748
1749 usb_serial_port_softint(port);
1750 } /* ftdi_write_bulk_callback */
1751
1752
1753 static int ftdi_write_room(struct tty_struct *tty)
1754 {
1755 struct usb_serial_port *port = tty->driver_data;
1756 struct ftdi_private *priv = usb_get_serial_port_data(port);
1757 int room;
1758 unsigned long flags;
1759
1760 dbg("%s - port %d", __func__, port->number);
1761
1762 spin_lock_irqsave(&priv->tx_lock, flags);
1763 if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) {
1764 /*
1765 * We really can take anything the user throws at us
1766 * but let's pick a nice big number to tell the tty
1767 * layer that we have lots of free space
1768 */
1769 room = 2048;
1770 } else {
1771 room = 0;
1772 }
1773 spin_unlock_irqrestore(&priv->tx_lock, flags);
1774 return room;
1775 }
1776
1777 static int ftdi_chars_in_buffer(struct tty_struct *tty)
1778 {
1779 struct usb_serial_port *port = tty->driver_data;
1780 struct ftdi_private *priv = usb_get_serial_port_data(port);
1781 int buffered;
1782 unsigned long flags;
1783
1784 dbg("%s - port %d", __func__, port->number);
1785
1786 spin_lock_irqsave(&priv->tx_lock, flags);
1787 buffered = (int)priv->tx_outstanding_bytes;
1788 spin_unlock_irqrestore(&priv->tx_lock, flags);
1789 if (buffered < 0) {
1790 err("%s outstanding tx bytes is negative!", __func__);
1791 buffered = 0;
1792 }
1793 return buffered;
1794 }
1795
1796 static void ftdi_read_bulk_callback(struct urb *urb)
1797 {
1798 struct usb_serial_port *port = urb->context;
1799 struct tty_struct *tty;
1800 struct ftdi_private *priv;
1801 unsigned long countread;
1802 unsigned long flags;
1803 int status = urb->status;
1804
1805 if (urb->number_of_packets > 0) {
1806 err("%s transfer_buffer_length %d actual_length %d number of packets %d",
1807 __func__,
1808 urb->transfer_buffer_length,
1809 urb->actual_length, urb->number_of_packets);
1810 err("%s transfer_flags %x ", __func__, urb->transfer_flags);
1811 }
1812
1813 dbg("%s - port %d", __func__, port->number);
1814
1815 if (port->port.count <= 0)
1816 return;
1817
1818 tty = port->port.tty;
1819 if (!tty) {
1820 dbg("%s - bad tty pointer - exiting", __func__);
1821 return;
1822 }
1823
1824 priv = usb_get_serial_port_data(port);
1825 if (!priv) {
1826 dbg("%s - bad port private data pointer - exiting", __func__);
1827 return;
1828 }
1829
1830 if (urb != port->read_urb)
1831 err("%s - Not my urb!", __func__);
1832
1833 if (status) {
1834 /* This will happen at close every time so it is a dbg not an
1835 err */
1836 dbg("(this is ok on close) nonzero read bulk status received: %d", status);
1837 return;
1838 }
1839
1840 /* count data bytes, but not status bytes */
1841 countread = urb->actual_length;
1842 countread -= 2 * DIV_ROUND_UP(countread, PKTSZ);
1843 spin_lock_irqsave(&priv->rx_lock, flags);
1844 priv->rx_bytes += countread;
1845 spin_unlock_irqrestore(&priv->rx_lock, flags);
1846
1847 ftdi_process_read(&priv->rx_work.work);
1848
1849 } /* ftdi_read_bulk_callback */
1850
1851
1852 static void ftdi_process_read(struct work_struct *work)
1853 { /* ftdi_process_read */
1854 struct ftdi_private *priv =
1855 container_of(work, struct ftdi_private, rx_work.work);
1856 struct usb_serial_port *port = priv->port;
1857 struct urb *urb;
1858 struct tty_struct *tty;
1859 char error_flag;
1860 unsigned char *data;
1861
1862 int i;
1863 int result;
1864 int need_flip;
1865 int packet_offset;
1866 unsigned long flags;
1867
1868 dbg("%s - port %d", __func__, port->number);
1869
1870 if (port->port.count <= 0)
1871 return;
1872
1873 tty = port->port.tty;
1874 if (!tty) {
1875 dbg("%s - bad tty pointer - exiting", __func__);
1876 return;
1877 }
1878
1879 priv = usb_get_serial_port_data(port);
1880 if (!priv) {
1881 dbg("%s - bad port private data pointer - exiting", __func__);
1882 return;
1883 }
1884
1885 urb = port->read_urb;
1886 if (!urb) {
1887 dbg("%s - bad read_urb pointer - exiting", __func__);
1888 return;
1889 }
1890
1891 data = urb->transfer_buffer;
1892
1893 if (priv->rx_processed) {
1894 dbg("%s - already processed: %d bytes, %d remain", __func__,
1895 priv->rx_processed,
1896 urb->actual_length - priv->rx_processed);
1897 } else {
1898 /* The first two bytes of every read packet are status */
1899 if (urb->actual_length > 2)
1900 usb_serial_debug_data(debug, &port->dev, __func__,
1901 urb->actual_length, data);
1902 else
1903 dbg("Status only: %03oo %03oo", data[0], data[1]);
1904 }
1905
1906
1907 /* TO DO -- check for hung up line and handle appropriately: */
1908 /* send hangup */
1909 /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */
1910 /* if CD is dropped and the line is not CLOCAL then we should hangup */
1911
1912 need_flip = 0;
1913 for (packet_offset = priv->rx_processed;
1914 packet_offset < urb->actual_length; packet_offset += PKTSZ) {
1915 int length;
1916
1917 /* Compare new line status to the old one, signal if different/
1918 N.B. packet may be processed more than once, but differences
1919 are only processed once. */
1920 if (priv != NULL) {
1921 char new_status = data[packet_offset + 0] &
1922 FTDI_STATUS_B0_MASK;
1923 if (new_status != priv->prev_status) {
1924 priv->diff_status |=
1925 new_status ^ priv->prev_status;
1926 wake_up_interruptible(&priv->delta_msr_wait);
1927 priv->prev_status = new_status;
1928 }
1929 }
1930
1931 length = min(PKTSZ, urb->actual_length-packet_offset)-2;
1932 if (length < 0) {
1933 err("%s - bad packet length: %d", __func__, length+2);
1934 length = 0;
1935 }
1936
1937 if (priv->rx_flags & THROTTLED) {
1938 dbg("%s - throttled", __func__);
1939 break;
1940 }
1941 if (tty_buffer_request_room(tty, length) < length) {
1942 /* break out & wait for throttling/unthrottling to
1943 happen */
1944 dbg("%s - receive room low", __func__);
1945 break;
1946 }
1947
1948 /* Handle errors and break */
1949 error_flag = TTY_NORMAL;
1950 /* Although the device uses a bitmask and hence can have
1951 multiple errors on a packet - the order here sets the
1952 priority the error is returned to the tty layer */
1953
1954 if (data[packet_offset+1] & FTDI_RS_OE) {
1955 error_flag = TTY_OVERRUN;
1956 dbg("OVERRRUN error");
1957 }
1958 if (data[packet_offset+1] & FTDI_RS_BI) {
1959 error_flag = TTY_BREAK;
1960 dbg("BREAK received");
1961 }
1962 if (data[packet_offset+1] & FTDI_RS_PE) {
1963 error_flag = TTY_PARITY;
1964 dbg("PARITY error");
1965 }
1966 if (data[packet_offset+1] & FTDI_RS_FE) {
1967 error_flag = TTY_FRAME;
1968 dbg("FRAMING error");
1969 }
1970 if (length > 0) {
1971 for (i = 2; i < length+2; i++) {
1972 /* Note that the error flag is duplicated for
1973 every character received since we don't know
1974 which character it applied to */
1975 tty_insert_flip_char(tty,
1976 data[packet_offset + i], error_flag);
1977 }
1978 need_flip = 1;
1979 }
1980
1981 #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW
1982 /* if a parity error is detected you get status packets forever
1983 until a character is sent without a parity error.
1984 This doesn't work well since the application receives a
1985 never ending stream of bad data - even though new data
1986 hasn't been sent. Therefore I (bill) have taken this out.
1987 However - this might make sense for framing errors and so on
1988 so I am leaving the code in for now.
1989 */
1990 else {
1991 if (error_flag != TTY_NORMAL) {
1992 dbg("error_flag is not normal");
1993 /* In this case it is just status - if that is
1994 an error send a bad character */
1995 if (tty->flip.count >= TTY_FLIPBUF_SIZE)
1996 tty_flip_buffer_push(tty);
1997 tty_insert_flip_char(tty, 0xff, error_flag);
1998 need_flip = 1;
1999 }
2000 }
2001 #endif
2002 } /* "for(packet_offset=0..." */
2003
2004 /* Low latency */
2005 if (need_flip)
2006 tty_flip_buffer_push(tty);
2007
2008 if (packet_offset < urb->actual_length) {
2009 /* not completely processed - record progress */
2010 priv->rx_processed = packet_offset;
2011 dbg("%s - incomplete, %d bytes processed, %d remain",
2012 __func__, packet_offset,
2013 urb->actual_length - packet_offset);
2014 /* check if we were throttled while processing */
2015 spin_lock_irqsave(&priv->rx_lock, flags);
2016 if (priv->rx_flags & THROTTLED) {
2017 priv->rx_flags |= ACTUALLY_THROTTLED;
2018 spin_unlock_irqrestore(&priv->rx_lock, flags);
2019 dbg("%s - deferring remainder until unthrottled",
2020 __func__);
2021 return;
2022 }
2023 spin_unlock_irqrestore(&priv->rx_lock, flags);
2024 /* if the port is closed stop trying to read */
2025 if (port->port.count > 0)
2026 /* delay processing of remainder */
2027 schedule_delayed_work(&priv->rx_work, 1);
2028 else
2029 dbg("%s - port is closed", __func__);
2030 return;
2031 }
2032
2033 /* urb is completely processed */
2034 priv->rx_processed = 0;
2035
2036 /* if the port is closed stop trying to read */
2037 if (port->port.count > 0) {
2038 /* Continue trying to always read */
2039 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
2040 usb_rcvbulkpipe(port->serial->dev,
2041 port->bulk_in_endpointAddress),
2042 port->read_urb->transfer_buffer,
2043 port->read_urb->transfer_buffer_length,
2044 ftdi_read_bulk_callback, port);
2045
2046 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
2047 if (result)
2048 err("%s - failed resubmitting read urb, error %d",
2049 __func__, result);
2050 }
2051 } /* ftdi_process_read */
2052
2053
2054 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2055 {
2056 struct usb_serial_port *port = tty->driver_data;
2057 struct ftdi_private *priv = usb_get_serial_port_data(port);
2058 __u16 urb_value = 0;
2059 char buf[1];
2060
2061 /* break_state = -1 to turn on break, and 0 to turn off break */
2062 /* see drivers/char/tty_io.c to see it used */
2063 /* last_set_data_urb_value NEVER has the break bit set in it */
2064
2065 if (break_state)
2066 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2067 else
2068 urb_value = priv->last_set_data_urb_value;
2069
2070 if (usb_control_msg(port->serial->dev,
2071 usb_sndctrlpipe(port->serial->dev, 0),
2072 FTDI_SIO_SET_DATA_REQUEST,
2073 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2074 urb_value , priv->interface,
2075 buf, 0, WDR_TIMEOUT) < 0) {
2076 err("%s FAILED to enable/disable break state (state was %d)",
2077 __func__, break_state);
2078 }
2079
2080 dbg("%s break state is %d - urb is %d", __func__,
2081 break_state, urb_value);
2082
2083 }
2084
2085
2086 /* old_termios contains the original termios settings and tty->termios contains
2087 * the new setting to be used
2088 * WARNING: set_termios calls this with old_termios in kernel space
2089 */
2090
2091 static void ftdi_set_termios(struct tty_struct *tty,
2092 struct usb_serial_port *port, struct ktermios *old_termios)
2093 { /* ftdi_termios */
2094 struct usb_device *dev = port->serial->dev;
2095 struct ftdi_private *priv = usb_get_serial_port_data(port);
2096 struct ktermios *termios = tty->termios;
2097 unsigned int cflag = termios->c_cflag;
2098 __u16 urb_value; /* will hold the new flags */
2099 char buf[1]; /* Perhaps I should dynamically alloc this? */
2100
2101 /* Added for xon/xoff support */
2102 unsigned int iflag = termios->c_iflag;
2103 unsigned char vstop;
2104 unsigned char vstart;
2105
2106 dbg("%s", __func__);
2107
2108 /* Force baud rate if this device requires it, unless it is set to
2109 B0. */
2110 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2111 dbg("%s: forcing baud rate for this device", __func__);
2112 tty_encode_baud_rate(tty, priv->force_baud,
2113 priv->force_baud);
2114 }
2115
2116 /* Force RTS-CTS if this device requires it. */
2117 if (priv->force_rtscts) {
2118 dbg("%s: forcing rtscts for this device", __func__);
2119 termios->c_cflag |= CRTSCTS;
2120 }
2121
2122 cflag = termios->c_cflag;
2123
2124 /* FIXME -For this cut I don't care if the line is really changing or
2125 not - so just do the change regardless - should be able to
2126 compare old_termios and tty->termios */
2127 /* NOTE These routines can get interrupted by
2128 ftdi_sio_read_bulk_callback - need to examine what this means -
2129 don't see any problems yet */
2130
2131 /* Set number of data bits, parity, stop bits */
2132
2133 termios->c_cflag &= ~CMSPAR;
2134
2135 urb_value = 0;
2136 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2137 FTDI_SIO_SET_DATA_STOP_BITS_1);
2138 urb_value |= (cflag & PARENB ?
2139 (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
2140 FTDI_SIO_SET_DATA_PARITY_EVEN) :
2141 FTDI_SIO_SET_DATA_PARITY_NONE);
2142 if (cflag & CSIZE) {
2143 switch (cflag & CSIZE) {
2144 case CS5: urb_value |= 5; dbg("Setting CS5"); break;
2145 case CS6: urb_value |= 6; dbg("Setting CS6"); break;
2146 case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2147 case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2148 default:
2149 err("CSIZE was set but not CS5-CS8");
2150 }
2151 }
2152
2153 /* This is needed by the break command since it uses the same command
2154 - but is or'ed with this value */
2155 priv->last_set_data_urb_value = urb_value;
2156
2157 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2158 FTDI_SIO_SET_DATA_REQUEST,
2159 FTDI_SIO_SET_DATA_REQUEST_TYPE,
2160 urb_value , priv->interface,
2161 buf, 0, WDR_SHORT_TIMEOUT) < 0) {
2162 err("%s FAILED to set databits/stopbits/parity", __func__);
2163 }
2164
2165 /* Now do the baudrate */
2166 if ((cflag & CBAUD) == B0) {
2167 /* Disable flow control */
2168 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2169 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2170 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2171 0, priv->interface,
2172 buf, 0, WDR_TIMEOUT) < 0) {
2173 err("%s error from disable flowcontrol urb", __func__);
2174 }
2175 /* Drop RTS and DTR */
2176 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2177 } else {
2178 /* set the baudrate determined before */
2179 if (change_speed(tty, port))
2180 err("%s urb failed to set baudrate", __func__);
2181 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2182 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2183 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2184 }
2185
2186 /* Set flow control */
2187 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2188 if (cflag & CRTSCTS) {
2189 dbg("%s Setting to CRTSCTS flow control", __func__);
2190 if (usb_control_msg(dev,
2191 usb_sndctrlpipe(dev, 0),
2192 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2193 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2194 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2195 buf, 0, WDR_TIMEOUT) < 0) {
2196 err("urb failed to set to rts/cts flow control");
2197 }
2198
2199 } else {
2200 /*
2201 * Xon/Xoff code
2202 *
2203 * Check the IXOFF status in the iflag component of the
2204 * termios structure. If IXOFF is not set, the pre-xon/xoff
2205 * code is executed.
2206 */
2207 if (iflag & IXOFF) {
2208 dbg("%s request to enable xonxoff iflag=%04x",
2209 __func__, iflag);
2210 /* Try to enable the XON/XOFF on the ftdi_sio
2211 * Set the vstart and vstop -- could have been done up
2212 * above where a lot of other dereferencing is done but
2213 * that would be very inefficient as vstart and vstop
2214 * are not always needed.
2215 */
2216 vstart = termios->c_cc[VSTART];
2217 vstop = termios->c_cc[VSTOP];
2218 urb_value = (vstop << 8) | (vstart);
2219
2220 if (usb_control_msg(dev,
2221 usb_sndctrlpipe(dev, 0),
2222 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2223 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2224 urb_value , (FTDI_SIO_XON_XOFF_HS
2225 | priv->interface),
2226 buf, 0, WDR_TIMEOUT) < 0) {
2227 err("urb failed to set to xon/xoff flow control");
2228 }
2229 } else {
2230 /* else clause to only run if cflag ! CRTSCTS and iflag
2231 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2232 * stack - not by device */
2233 dbg("%s Turning off hardware flow control", __func__);
2234 if (usb_control_msg(dev,
2235 usb_sndctrlpipe(dev, 0),
2236 FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2237 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2238 0, priv->interface,
2239 buf, 0, WDR_TIMEOUT) < 0) {
2240 err("urb failed to clear flow control");
2241 }
2242 }
2243
2244 }
2245 return;
2246 }
2247
2248 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
2249 {
2250 struct usb_serial_port *port = tty->driver_data;
2251 struct ftdi_private *priv = usb_get_serial_port_data(port);
2252 unsigned char buf[2];
2253 int ret;
2254
2255 dbg("%s TIOCMGET", __func__);
2256 switch (priv->chip_type) {
2257 case SIO:
2258 /* Request the status from the device */
2259 ret = usb_control_msg(port->serial->dev,
2260 usb_rcvctrlpipe(port->serial->dev, 0),
2261 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2262 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2263 0, 0,
2264 buf, 1, WDR_TIMEOUT);
2265 if (ret < 0) {
2266 err("%s Could not get modem status of device - err: %d", __func__,
2267 ret);
2268 return ret;
2269 }
2270 break;
2271 case FT8U232AM:
2272 case FT232BM:
2273 case FT2232C:
2274 case FT232RL:
2275 /* the 8U232AM returns a two byte value (the sio is a 1 byte
2276 value) - in the same format as the data returned from the in
2277 point */
2278 ret = usb_control_msg(port->serial->dev,
2279 usb_rcvctrlpipe(port->serial->dev, 0),
2280 FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2281 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2282 0, priv->interface,
2283 buf, 2, WDR_TIMEOUT);
2284 if (ret < 0) {
2285 err("%s Could not get modem status of device - err: %d", __func__,
2286 ret);
2287 return ret;
2288 }
2289 break;
2290 default:
2291 return -EFAULT;
2292 break;
2293 }
2294
2295 return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2296 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2297 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) |
2298 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) |
2299 priv->last_dtr_rts;
2300 }
2301
2302 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
2303 unsigned int set, unsigned int clear)
2304 {
2305 struct usb_serial_port *port = tty->driver_data;
2306 dbg("%s TIOCMSET", __func__);
2307 return update_mctrl(port, set, clear);
2308 }
2309
2310
2311 static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
2312 unsigned int cmd, unsigned long arg)
2313 {
2314 struct usb_serial_port *port = tty->driver_data;
2315 struct ftdi_private *priv = usb_get_serial_port_data(port);
2316
2317 dbg("%s cmd 0x%04x", __func__, cmd);
2318
2319 /* Based on code from acm.c and others */
2320 switch (cmd) {
2321
2322 case TIOCGSERIAL: /* gets serial port data */
2323 return get_serial_info(port,
2324 (struct serial_struct __user *) arg);
2325
2326 case TIOCSSERIAL: /* sets serial port data */
2327 return set_serial_info(tty, port,
2328 (struct serial_struct __user *) arg);
2329
2330 /*
2331 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2332 * - mask passed in arg for lines of interest
2333 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2334 * Caller should use TIOCGICOUNT to see which one it was.
2335 *
2336 * This code is borrowed from linux/drivers/char/serial.c
2337 */
2338 case TIOCMIWAIT:
2339 while (priv != NULL) {
2340 interruptible_sleep_on(&priv->delta_msr_wait);
2341 /* see if a signal did it */
2342 if (signal_pending(current))
2343 return -ERESTARTSYS;
2344 else {
2345 char diff = priv->diff_status;
2346
2347 if (diff == 0)
2348 return -EIO; /* no change => error */
2349
2350 /* Consume all events */
2351 priv->diff_status = 0;
2352
2353 /* Return 0 if caller wanted to know about
2354 these bits */
2355 if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) ||
2356 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) ||
2357 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) ||
2358 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) {
2359 return 0;
2360 }
2361 /*
2362 * Otherwise caller can't care less about what
2363 * happened,and so we continue to wait for more
2364 * events.
2365 */
2366 }
2367 }
2368 return 0;
2369 default:
2370 break;
2371 }
2372 /* This is not necessarily an error - turns out the higher layers
2373 * will do some ioctls themselves (see comment above)
2374 */
2375 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2376 return -ENOIOCTLCMD;
2377 }
2378
2379 static void ftdi_throttle(struct tty_struct *tty)
2380 {
2381 struct usb_serial_port *port = tty->driver_data;
2382 struct ftdi_private *priv = usb_get_serial_port_data(port);
2383 unsigned long flags;
2384
2385 dbg("%s - port %d", __func__, port->number);
2386
2387 spin_lock_irqsave(&priv->rx_lock, flags);
2388 priv->rx_flags |= THROTTLED;
2389 spin_unlock_irqrestore(&priv->rx_lock, flags);
2390 }
2391
2392
2393 static void ftdi_unthrottle(struct tty_struct *tty)
2394 {
2395 struct usb_serial_port *port = tty->driver_data;
2396 struct ftdi_private *priv = usb_get_serial_port_data(port);
2397 int actually_throttled;
2398 unsigned long flags;
2399
2400 dbg("%s - port %d", __func__, port->number);
2401
2402 spin_lock_irqsave(&priv->rx_lock, flags);
2403 actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED;
2404 priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
2405 spin_unlock_irqrestore(&priv->rx_lock, flags);
2406
2407 if (actually_throttled)
2408 schedule_delayed_work(&priv->rx_work, 0);
2409 }
2410
2411 static int __init ftdi_init(void)
2412 {
2413 int retval;
2414
2415 dbg("%s", __func__);
2416 if (vendor > 0 && product > 0) {
2417 /* Add user specified VID/PID to reserved element of table. */
2418 int i;
2419 for (i = 0; id_table_combined[i].idVendor; i++)
2420 ;
2421 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2422 id_table_combined[i].idVendor = vendor;
2423 id_table_combined[i].idProduct = product;
2424 }
2425 retval = usb_serial_register(&ftdi_sio_device);
2426 if (retval)
2427 goto failed_sio_register;
2428 retval = usb_register(&ftdi_driver);
2429 if (retval)
2430 goto failed_usb_register;
2431
2432 info(DRIVER_VERSION ":" DRIVER_DESC);
2433 return 0;
2434 failed_usb_register:
2435 usb_serial_deregister(&ftdi_sio_device);
2436 failed_sio_register:
2437 return retval;
2438 }
2439
2440
2441 static void __exit ftdi_exit(void)
2442 {
2443
2444 dbg("%s", __func__);
2445
2446 usb_deregister(&ftdi_driver);
2447 usb_serial_deregister(&ftdi_sio_device);
2448
2449 }
2450
2451
2452 module_init(ftdi_init);
2453 module_exit(ftdi_exit);
2454
2455 MODULE_AUTHOR(DRIVER_AUTHOR);
2456 MODULE_DESCRIPTION(DRIVER_DESC);
2457 MODULE_LICENSE("GPL");
2458
2459 module_param(debug, bool, S_IRUGO | S_IWUSR);
2460 MODULE_PARM_DESC(debug, "Debug enabled or not");
2461 module_param(vendor, ushort, 0);
2462 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2463 __MODULE_STRING(FTDI_VID)")");
2464 module_param(product, ushort, 0);
2465 MODULE_PARM_DESC(vendor, "User specified product ID");
2466
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree