Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * USB FTDI SIO driver | |
3 | * | |
5c09d144 DB |
4 | * Copyright (C) 1999 - 2001 |
5 | * Greg Kroah-Hartman (greg@kroah.com) | |
1da177e4 LT |
6 | * Bill Ryder (bryder@sgi.com) |
7 | * Copyright (C) 2002 | |
8 | * Kuba Ober (kuba@mareimbrium.org) | |
9 | * | |
5c09d144 DB |
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. | |
1da177e4 | 14 | * |
464cbb24 AC |
15 | * See Documentation/usb/usb-serial.txt for more information on using this |
16 | * driver | |
1da177e4 LT |
17 | * |
18 | * See http://ftdi-usb-sio.sourceforge.net for upto date testing info | |
19 | * and extra documentation | |
20 | * | |
504b55cc GKH |
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. | |
1da177e4 LT |
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 */ | |
464cbb24 AC |
29 | /* Thanx to gkh and the rest of the usb dev group for all code I have |
30 | assimilated :-) */ | |
1da177e4 | 31 | |
1da177e4 LT |
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> | |
464cbb24 | 41 | #include <linux/uaccess.h> |
1da177e4 LT |
42 | #include <linux/usb.h> |
43 | #include <linux/serial.h> | |
a969888c | 44 | #include <linux/usb/serial.h> |
1da177e4 LT |
45 | #include "ftdi_sio.h" |
46 | ||
47 | /* | |
48 | * Version Information | |
49 | */ | |
8f977e42 | 50 | #define DRIVER_VERSION "v1.4.3" |
1da177e4 LT |
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; | |
fdcb0a0f IA |
55 | static __u16 vendor = FTDI_VID; |
56 | static __u16 product; | |
1da177e4 | 57 | |
0ffbbe25 ON |
58 | struct ftdi_private { |
59 | ftdi_chip_type_t chip_type; | |
464cbb24 | 60 | /* type of device, either SIO or FT8U232AM */ |
0ffbbe25 | 61 | int baud_base; /* baud base clock for divisor setting */ |
464cbb24 AC |
62 | int custom_divisor; /* custom_divisor kludge, this is for |
63 | baud_base (different from what goes to the | |
64 | chip!) */ | |
0ffbbe25 | 65 | __u16 last_set_data_urb_value ; |
464cbb24 AC |
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 | |
0ffbbe25 ON |
72 | */ |
73 | int flags; /* some ASYNC_xxxx flags are supported */ | |
74 | unsigned long last_dtr_rts; /* saved modem control outputs */ | |
464cbb24 | 75 | wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ |
0ffbbe25 ON |
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 | ||
464cbb24 AC |
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 */ | |
0ffbbe25 ON |
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 | ||
8f977e42 IA |
97 | /* struct ftdi_sio_quirk is used by devices requiring special attention. */ |
98 | struct ftdi_sio_quirk { | |
fa91d43b | 99 | int (*probe)(struct usb_serial *); |
464cbb24 AC |
100 | /* Special settings for probed ports. */ |
101 | void (*port_probe)(struct ftdi_private *); | |
8f977e42 IA |
102 | }; |
103 | ||
464cbb24 AC |
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); | |
8f977e42 | 108 | |
20734345 HW |
109 | static struct ftdi_sio_quirk ftdi_jtag_quirk = { |
110 | .probe = ftdi_jtag_probe, | |
fa91d43b TL |
111 | }; |
112 | ||
546d7eec KV |
113 | static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = { |
114 | .probe = ftdi_mtxorb_hack_setup, | |
115 | }; | |
116 | ||
8f977e42 | 117 | static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { |
0ffbbe25 | 118 | .port_probe = ftdi_USB_UIRT_setup, |
8f977e42 IA |
119 | }; |
120 | ||
121 | static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { | |
0ffbbe25 | 122 | .port_probe = ftdi_HE_TIRA1_setup, |
1da177e4 LT |
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. | |
8f977e42 IA |
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] | |
1da177e4 LT |
139 | */ |
140 | ||
141 | ||
1da177e4 LT |
142 | |
143 | static struct usb_device_id id_table_combined [] = { | |
2011e924 JD |
144 | { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, |
145 | { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, | |
01ba0856 | 146 | { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, |
6e1ab3ed PM |
147 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, |
148 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, | |
149 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, | |
150 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) }, | |
151 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) }, | |
152 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) }, | |
153 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) }, | |
154 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) }, | |
72a9f958 | 155 | { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) }, |
1da177e4 | 156 | { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) }, |
69737dfa | 157 | { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) }, |
d099321b | 158 | { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) }, |
fad14a0d | 159 | { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) }, |
1da177e4 LT |
160 | { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) }, |
161 | { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) }, | |
162 | { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) }, | |
d8b21606 | 163 | { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) }, |
1da177e4 | 164 | { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, |
c0f8d561 | 165 | { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, |
1da177e4 | 166 | { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, |
2adb80e9 | 167 | { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, |
1da177e4 LT |
168 | { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, |
169 | { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, | |
f2ee6955 | 170 | { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, |
1da177e4 LT |
171 | { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, |
172 | { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, | |
173 | { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) }, | |
174 | { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) }, | |
175 | { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) }, | |
176 | { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) }, | |
177 | { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) }, | |
178 | { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) }, | |
179 | { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) }, | |
180 | { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) }, | |
181 | { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) }, | |
8f977e42 IA |
182 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) }, |
183 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) }, | |
184 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) }, | |
185 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) }, | |
186 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) }, | |
187 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) }, | |
188 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) }, | |
464cbb24 AC |
189 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) }, |
190 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) }, | |
191 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) }, | |
192 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) }, | |
193 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) }, | |
194 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) }, | |
195 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) }, | |
196 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) }, | |
197 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) }, | |
198 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) }, | |
199 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) }, | |
200 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) }, | |
201 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) }, | |
202 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) }, | |
203 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) }, | |
204 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) }, | |
205 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) }, | |
206 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) }, | |
207 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) }, | |
208 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) }, | |
209 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) }, | |
210 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) }, | |
211 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) }, | |
212 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) }, | |
213 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) }, | |
214 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) }, | |
215 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) }, | |
216 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) }, | |
217 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) }, | |
218 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) }, | |
219 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) }, | |
220 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) }, | |
221 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) }, | |
222 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) }, | |
223 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) }, | |
224 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) }, | |
225 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) }, | |
226 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) }, | |
227 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) }, | |
228 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID), | |
546d7eec | 229 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 AC |
230 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) }, |
231 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) }, | |
232 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) }, | |
233 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) }, | |
234 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID), | |
ebb3770c | 235 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 AC |
236 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) }, |
237 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) }, | |
238 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) }, | |
239 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) }, | |
240 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) }, | |
241 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) }, | |
242 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) }, | |
243 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) }, | |
244 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) }, | |
245 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) }, | |
246 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) }, | |
247 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) }, | |
248 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) }, | |
249 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) }, | |
250 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) }, | |
251 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) }, | |
252 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) }, | |
253 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) }, | |
254 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) }, | |
255 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) }, | |
256 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) }, | |
257 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) }, | |
258 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) }, | |
259 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) }, | |
260 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) }, | |
261 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) }, | |
262 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) }, | |
263 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) }, | |
264 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) }, | |
265 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) }, | |
266 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) }, | |
267 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) }, | |
268 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) }, | |
269 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) }, | |
270 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) }, | |
271 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) }, | |
272 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) }, | |
273 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) }, | |
274 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID), | |
ebb3770c | 275 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 276 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID), |
ebb3770c | 277 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 278 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID), |
ebb3770c | 279 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 280 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID), |
ebb3770c | 281 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 282 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID), |
ebb3770c | 283 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 284 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID), |
ebb3770c | 285 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 AC |
286 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) }, |
287 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) }, | |
288 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) }, | |
289 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) }, | |
290 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) }, | |
291 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) }, | |
292 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) }, | |
293 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) }, | |
294 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) }, | |
295 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) }, | |
296 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) }, | |
297 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) }, | |
298 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) }, | |
299 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) }, | |
300 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) }, | |
301 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) }, | |
302 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) }, | |
303 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) }, | |
304 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) }, | |
305 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) }, | |
306 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) }, | |
307 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) }, | |
308 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) }, | |
309 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) }, | |
310 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) }, | |
311 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) }, | |
312 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) }, | |
313 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) }, | |
314 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) }, | |
315 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) }, | |
316 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) }, | |
317 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) }, | |
318 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) }, | |
319 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) }, | |
320 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) }, | |
321 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) }, | |
322 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) }, | |
323 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) }, | |
324 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) }, | |
325 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) }, | |
326 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) }, | |
327 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) }, | |
328 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) }, | |
329 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) }, | |
330 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) }, | |
331 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) }, | |
332 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) }, | |
333 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) }, | |
334 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) }, | |
335 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) }, | |
336 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) }, | |
337 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) }, | |
338 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) }, | |
339 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) }, | |
340 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) }, | |
341 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) }, | |
342 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) }, | |
343 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) }, | |
344 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) }, | |
345 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) }, | |
346 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) }, | |
347 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) }, | |
348 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) }, | |
349 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) }, | |
350 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) }, | |
351 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) }, | |
352 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) }, | |
353 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) }, | |
354 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) }, | |
355 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) }, | |
356 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) }, | |
357 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) }, | |
358 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) }, | |
359 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) }, | |
360 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) }, | |
361 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) }, | |
362 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) }, | |
363 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) }, | |
364 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) }, | |
365 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) }, | |
366 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) }, | |
367 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) }, | |
368 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) }, | |
369 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) }, | |
370 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) }, | |
371 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) }, | |
372 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) }, | |
373 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) }, | |
374 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) }, | |
375 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) }, | |
376 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) }, | |
377 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) }, | |
378 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) }, | |
379 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) }, | |
380 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) }, | |
381 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) }, | |
382 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) }, | |
383 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) }, | |
384 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) }, | |
385 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) }, | |
386 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) }, | |
387 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) }, | |
388 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) }, | |
389 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) }, | |
390 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) }, | |
391 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) }, | |
392 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) }, | |
393 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) }, | |
394 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) }, | |
395 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) }, | |
396 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) }, | |
397 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) }, | |
398 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) }, | |
399 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) }, | |
400 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) }, | |
401 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) }, | |
402 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) }, | |
403 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) }, | |
404 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) }, | |
405 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) }, | |
406 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) }, | |
407 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) }, | |
408 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) }, | |
409 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) }, | |
410 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) }, | |
411 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) }, | |
412 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) }, | |
413 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) }, | |
414 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) }, | |
415 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) }, | |
416 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) }, | |
417 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) }, | |
418 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) }, | |
419 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) }, | |
420 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) }, | |
421 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) }, | |
422 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) }, | |
423 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) }, | |
424 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) }, | |
425 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) }, | |
426 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) }, | |
427 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) }, | |
428 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) }, | |
429 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) }, | |
430 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) }, | |
431 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) }, | |
432 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) }, | |
433 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) }, | |
434 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) }, | |
435 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) }, | |
436 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) }, | |
437 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) }, | |
438 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) }, | |
439 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) }, | |
440 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) }, | |
441 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) }, | |
442 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) }, | |
443 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) }, | |
444 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) }, | |
445 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) }, | |
446 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) }, | |
447 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) }, | |
448 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) }, | |
449 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) }, | |
450 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) }, | |
451 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) }, | |
452 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) }, | |
8f977e42 | 453 | { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) }, |
1da177e4 | 454 | { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) }, |
274a4bbc | 455 | { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) }, |
868e440d | 456 | { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) }, |
1da177e4 LT |
457 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) }, |
458 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) }, | |
459 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) }, | |
460 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) }, | |
a1484827 | 461 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) }, |
1da177e4 LT |
462 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) }, |
463 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) }, | |
464 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) }, | |
465 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) }, | |
466 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) }, | |
467 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) }, | |
468 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) }, | |
469 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) }, | |
470 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) }, | |
471 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) }, | |
472 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) }, | |
473 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) }, | |
474 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) }, | |
475 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) }, | |
476 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) }, | |
477 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) }, | |
478 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) }, | |
479 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) }, | |
480 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) }, | |
481 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) }, | |
482 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) }, | |
483 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) }, | |
484 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) }, | |
485 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) }, | |
486 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) }, | |
487 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) }, | |
488 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) }, | |
489 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) }, | |
490 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) }, | |
491 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) }, | |
492 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) }, | |
493 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) }, | |
494 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) }, | |
495 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) }, | |
496 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) }, | |
497 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) }, | |
498 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) }, | |
499 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) }, | |
500 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) }, | |
501 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) }, | |
502 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) }, | |
503 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) }, | |
504 | { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) }, | |
505 | { USB_DEVICE(OCT_VID, OCT_US101_PID) }, | |
8f977e42 IA |
506 | { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID), |
507 | .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk }, | |
508 | { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID), | |
509 | .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk }, | |
1da177e4 LT |
510 | { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) }, |
511 | { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) }, | |
512 | { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) }, | |
513 | { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) }, | |
8f977e42 IA |
514 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) }, |
515 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) }, | |
516 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) }, | |
517 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) }, | |
518 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) }, | |
519 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) }, | |
520 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) }, | |
521 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) }, | |
522 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) }, | |
523 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) }, | |
524 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) }, | |
525 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) }, | |
526 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) }, | |
527 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) }, | |
528 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) }, | |
529 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) }, | |
1da177e4 | 530 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) }, |
47900743 | 531 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) }, |
e6ac4a40 IA |
532 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) }, |
533 | { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) }, | |
207c47e1 | 534 | { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) }, |
bde62185 | 535 | { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) }, |
4eaf60e0 TS |
536 | { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) }, |
537 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) }, | |
538 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) }, | |
539 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) }, | |
540 | { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) }, | |
541 | { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) }, | |
542 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) }, | |
543 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) }, | |
e6ac4a40 | 544 | /* |
42f8aa94 PS |
545 | * Due to many user requests for multiple ELV devices we enable |
546 | * them by default. | |
e6ac4a40 | 547 | */ |
42f8aa94 PS |
548 | { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) }, |
549 | { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) }, | |
550 | { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) }, | |
551 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) }, | |
552 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) }, | |
553 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) }, | |
554 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) }, | |
555 | { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) }, | |
556 | { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) }, | |
557 | { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) }, | |
558 | { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) }, | |
559 | { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) }, | |
560 | { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) }, | |
561 | { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) }, | |
562 | { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) }, | |
563 | { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) }, | |
564 | { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) }, | |
565 | { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) }, | |
4ae897df | 566 | { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) }, |
42f8aa94 | 567 | { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) }, |
b5894a50 | 568 | { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) }, |
5c09d144 DB |
569 | { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) }, |
570 | { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) }, | |
571 | { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) }, | |
572 | { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) }, | |
573 | { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) }, | |
574 | { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) }, | |
575 | { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) }, | |
ec434e9b | 576 | { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) }, |
1da177e4 LT |
577 | { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) }, |
578 | { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) }, | |
579 | { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) }, | |
580 | { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) }, | |
e6ac4a40 | 581 | { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) }, |
1da177e4 | 582 | { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) }, |
c3d36c45 | 583 | { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) }, |
ef31fec0 | 584 | { USB_DEVICE(TTI_VID, TTI_QL355P_PID) }, |
6f92872c | 585 | { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) }, |
1da177e4 LT |
586 | { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) }, |
587 | { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) }, | |
588 | { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) }, | |
589 | { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) }, | |
6f92872c IA |
590 | { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) }, |
591 | { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) }, | |
e6ac4a40 IA |
592 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) }, |
593 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) }, | |
594 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) }, | |
595 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) }, | |
596 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) }, | |
597 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, | |
598 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, | |
599 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, | |
6f92872c | 600 | { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, |
8f977e42 | 601 | { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) }, |
34d1a8aa IA |
602 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) }, |
603 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) }, | |
9b1513d9 IA |
604 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) }, |
605 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) }, | |
34d1a8aa IA |
606 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) }, |
607 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) }, | |
608 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) }, | |
609 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) }, | |
740a4282 IA |
610 | { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) }, |
611 | { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) }, | |
9b1513d9 | 612 | { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) }, |
c1f8ea7d SH |
613 | { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) }, |
614 | { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) }, | |
c9c7746d RS |
615 | { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) }, |
616 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) }, | |
09c280a2 | 617 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) }, |
c9c7746d | 618 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) }, |
09c280a2 | 619 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) }, |
34910434 | 620 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) }, |
b4723ae3 IA |
621 | { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) }, |
622 | { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) }, | |
effac8be | 623 | { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) }, |
641adaae | 624 | { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) }, |
7e1c0b86 | 625 | { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) }, |
a94b52ac IA |
626 | { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) }, |
627 | { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) }, | |
ce40d290 | 628 | { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) }, |
cdd3b156 | 629 | { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) }, |
7e0258fd | 630 | { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) }, |
bf58fbd5 | 631 | { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) }, |
62a13db3 | 632 | { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) }, |
20a0f47e | 633 | { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, |
eb79b4fd | 634 | { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, |
48437486 | 635 | { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) }, |
e1979fef | 636 | { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) }, |
eaede2cb | 637 | { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) }, |
9978f9e1 IA |
638 | { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) }, |
639 | { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, | |
640 | { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, | |
40c36092 | 641 | { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, |
822c7ef4 | 642 | { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, |
762e92fa | 643 | { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, |
a5f62399 | 644 | { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) }, |
d7fde2d6 | 645 | { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, |
4bb0ef19 | 646 | { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, |
11171d1b | 647 | { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, |
fa91d43b | 648 | { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), |
20734345 HW |
649 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, |
650 | { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), | |
651 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, | |
652 | { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID), | |
653 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, | |
a00c3cad FK |
654 | { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID), |
655 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, | |
656 | { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID), | |
657 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, | |
26ab7053 | 658 | { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) }, |
2542335c | 659 | { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) }, |
a18f80b4 | 660 | { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) }, |
96285cb8 GC |
661 | { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) }, |
662 | { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) }, | |
45eeff84 | 663 | { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) }, |
ca80801b | 664 | { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) }, |
fdcb0a0f IA |
665 | { }, /* Optional parameter entry */ |
666 | { } /* Terminating entry */ | |
1da177e4 LT |
667 | }; |
668 | ||
464cbb24 | 669 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
1da177e4 LT |
670 | |
671 | static struct usb_driver ftdi_driver = { | |
672 | .name = "ftdi_sio", | |
673 | .probe = usb_serial_probe, | |
674 | .disconnect = usb_serial_disconnect, | |
675 | .id_table = id_table_combined, | |
5c09d144 | 676 | .no_dynamic_id = 1, |
1da177e4 LT |
677 | }; |
678 | ||
4c4c9432 | 679 | static const char *ftdi_chip_name[] = { |
1da177e4 LT |
680 | [SIO] = "SIO", /* the serial part of FT8U100AX */ |
681 | [FT8U232AM] = "FT8U232AM", | |
682 | [FT232BM] = "FT232BM", | |
683 | [FT2232C] = "FT2232C", | |
d8b21606 | 684 | [FT232RL] = "FT232RL", |
1da177e4 LT |
685 | }; |
686 | ||
687 | ||
688 | /* Constants for read urb and write urb */ | |
689 | #define BUFSZ 512 | |
690 | #define PKTSZ 64 | |
691 | ||
692 | /* rx_flags */ | |
693 | #define THROTTLED 0x01 | |
694 | #define ACTUALLY_THROTTLED 0x02 | |
695 | ||
1da177e4 LT |
696 | /* Used for TIOCMIWAIT */ |
697 | #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD) | |
698 | #define FTDI_STATUS_B1_MASK (FTDI_RS_BI) | |
699 | /* End TIOCMIWAIT */ | |
700 | ||
bbc5d276 RK |
701 | #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \ |
702 | | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP) | |
1da177e4 LT |
703 | |
704 | /* function prototypes for a FTDI serial converter */ | |
464cbb24 AC |
705 | static int ftdi_sio_probe(struct usb_serial *serial, |
706 | const struct usb_device_id *id); | |
707 | static void ftdi_shutdown(struct usb_serial *serial); | |
708 | static int ftdi_sio_port_probe(struct usb_serial_port *port); | |
709 | static int ftdi_sio_port_remove(struct usb_serial_port *port); | |
710 | static int ftdi_open(struct tty_struct *tty, | |
711 | struct usb_serial_port *port, struct file *filp); | |
712 | static void ftdi_close(struct tty_struct *tty, | |
713 | struct usb_serial_port *port, struct file *filp); | |
714 | static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port, | |
715 | const unsigned char *buf, int count); | |
716 | static int ftdi_write_room(struct tty_struct *tty); | |
717 | static int ftdi_chars_in_buffer(struct tty_struct *tty); | |
718 | static void ftdi_write_bulk_callback(struct urb *urb); | |
719 | static void ftdi_read_bulk_callback(struct urb *urb); | |
720 | static void ftdi_process_read(struct work_struct *work); | |
721 | static void ftdi_set_termios(struct tty_struct *tty, | |
722 | struct usb_serial_port *port, struct ktermios *old); | |
723 | static int ftdi_tiocmget(struct tty_struct *tty, struct file *file); | |
724 | static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, | |
725 | unsigned int set, unsigned int clear); | |
726 | static int ftdi_ioctl(struct tty_struct *tty, struct file *file, | |
727 | unsigned int cmd, unsigned long arg); | |
728 | static void ftdi_break_ctl(struct tty_struct *tty, int break_state); | |
729 | static void ftdi_throttle(struct tty_struct *tty); | |
730 | static void ftdi_unthrottle(struct tty_struct *tty); | |
731 | ||
732 | static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base); | |
733 | static unsigned short int ftdi_232am_baud_to_divisor(int baud); | |
734 | static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base); | |
735 | static __u32 ftdi_232bm_baud_to_divisor(int baud); | |
1da177e4 | 736 | |
ea65370d | 737 | static struct usb_serial_driver ftdi_sio_device = { |
18fcac35 GKH |
738 | .driver = { |
739 | .owner = THIS_MODULE, | |
269bda1c | 740 | .name = "ftdi_sio", |
18fcac35 | 741 | }, |
269bda1c | 742 | .description = "FTDI USB Serial Device", |
d9b1b787 | 743 | .usb_driver = &ftdi_driver , |
8f977e42 | 744 | .id_table = id_table_combined, |
1da177e4 | 745 | .num_ports = 1, |
8f977e42 | 746 | .probe = ftdi_sio_probe, |
12bdbe03 JR |
747 | .port_probe = ftdi_sio_port_probe, |
748 | .port_remove = ftdi_sio_port_remove, | |
1da177e4 LT |
749 | .open = ftdi_open, |
750 | .close = ftdi_close, | |
751 | .throttle = ftdi_throttle, | |
752 | .unthrottle = ftdi_unthrottle, | |
753 | .write = ftdi_write, | |
754 | .write_room = ftdi_write_room, | |
755 | .chars_in_buffer = ftdi_chars_in_buffer, | |
756 | .read_bulk_callback = ftdi_read_bulk_callback, | |
757 | .write_bulk_callback = ftdi_write_bulk_callback, | |
758 | .tiocmget = ftdi_tiocmget, | |
759 | .tiocmset = ftdi_tiocmset, | |
760 | .ioctl = ftdi_ioctl, | |
761 | .set_termios = ftdi_set_termios, | |
762 | .break_ctl = ftdi_break_ctl, | |
1da177e4 LT |
763 | .shutdown = ftdi_shutdown, |
764 | }; | |
765 | ||
1da177e4 LT |
766 | |
767 | #define WDR_TIMEOUT 5000 /* default urb timeout */ | |
279e1545 | 768 | #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */ |
1da177e4 LT |
769 | |
770 | /* High and low are for DTR, RTS etc etc */ | |
771 | #define HIGH 1 | |
772 | #define LOW 0 | |
773 | ||
22465400 IA |
774 | /* number of outstanding urbs to prevent userspace DoS from happening */ |
775 | #define URB_UPPER_LIMIT 42 | |
776 | ||
1da177e4 LT |
777 | /* |
778 | * *************************************************************************** | |
fa91d43b | 779 | * Utility functions |
1da177e4 LT |
780 | * *************************************************************************** |
781 | */ | |
782 | ||
783 | static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base) | |
784 | { | |
785 | unsigned short int divisor; | |
464cbb24 AC |
786 | /* divisor shifted 3 bits to the left */ |
787 | int divisor3 = base / 2 / baud; | |
788 | if ((divisor3 & 0x7) == 7) | |
789 | divisor3++; /* round x.7/8 up to x+1 */ | |
1da177e4 LT |
790 | divisor = divisor3 >> 3; |
791 | divisor3 &= 0x7; | |
464cbb24 AC |
792 | if (divisor3 == 1) |
793 | divisor |= 0xc000; | |
794 | else if (divisor3 >= 4) | |
795 | divisor |= 0x4000; | |
796 | else if (divisor3 != 0) | |
797 | divisor |= 0x8000; | |
798 | else if (divisor == 1) | |
799 | divisor = 0; /* special case for maximum baud rate */ | |
1da177e4 LT |
800 | return divisor; |
801 | } | |
802 | ||
803 | static unsigned short int ftdi_232am_baud_to_divisor(int baud) | |
804 | { | |
464cbb24 | 805 | return ftdi_232am_baud_base_to_divisor(baud, 48000000); |
1da177e4 LT |
806 | } |
807 | ||
808 | static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base) | |
809 | { | |
810 | static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; | |
811 | __u32 divisor; | |
464cbb24 AC |
812 | /* divisor shifted 3 bits to the left */ |
813 | int divisor3 = base / 2 / baud; | |
1da177e4 LT |
814 | divisor = divisor3 >> 3; |
815 | divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; | |
816 | /* Deal with special cases for highest baud rates. */ | |
464cbb24 AC |
817 | if (divisor == 1) |
818 | divisor = 0; | |
819 | else if (divisor == 0x4001) | |
820 | divisor = 1; | |
1da177e4 LT |
821 | return divisor; |
822 | } | |
823 | ||
824 | static __u32 ftdi_232bm_baud_to_divisor(int baud) | |
825 | { | |
464cbb24 | 826 | return ftdi_232bm_baud_base_to_divisor(baud, 48000000); |
1da177e4 LT |
827 | } |
828 | ||
74ede0ff IA |
829 | #define set_mctrl(port, set) update_mctrl((port), (set), 0) |
830 | #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear)) | |
831 | ||
464cbb24 AC |
832 | static int update_mctrl(struct usb_serial_port *port, unsigned int set, |
833 | unsigned int clear) | |
1da177e4 LT |
834 | { |
835 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
836 | char *buf; | |
74ede0ff | 837 | unsigned urb_value; |
1da177e4 | 838 | int rv; |
1da177e4 | 839 | |
74ede0ff | 840 | if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) { |
441b62c1 | 841 | dbg("%s - DTR|RTS not being set|cleared", __func__); |
74ede0ff IA |
842 | return 0; /* no change */ |
843 | } | |
1da177e4 | 844 | |
1da177e4 | 845 | buf = kmalloc(1, GFP_NOIO); |
9b0f2582 | 846 | if (!buf) |
1da177e4 | 847 | return -ENOMEM; |
74ede0ff IA |
848 | |
849 | clear &= ~set; /* 'set' takes precedence over 'clear' */ | |
850 | urb_value = 0; | |
851 | if (clear & TIOCM_DTR) | |
852 | urb_value |= FTDI_SIO_SET_DTR_LOW; | |
853 | if (clear & TIOCM_RTS) | |
854 | urb_value |= FTDI_SIO_SET_RTS_LOW; | |
855 | if (set & TIOCM_DTR) | |
856 | urb_value |= FTDI_SIO_SET_DTR_HIGH; | |
857 | if (set & TIOCM_RTS) | |
858 | urb_value |= FTDI_SIO_SET_RTS_HIGH; | |
1da177e4 LT |
859 | rv = usb_control_msg(port->serial->dev, |
860 | usb_sndctrlpipe(port->serial->dev, 0), | |
5c09d144 | 861 | FTDI_SIO_SET_MODEM_CTRL_REQUEST, |
1da177e4 | 862 | FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, |
74ede0ff | 863 | urb_value, priv->interface, |
1da177e4 LT |
864 | buf, 0, WDR_TIMEOUT); |
865 | ||
866 | kfree(buf); | |
74ede0ff | 867 | if (rv < 0) { |
43b11d33 | 868 | dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s", |
441b62c1 | 869 | __func__, |
74ede0ff IA |
870 | (set & TIOCM_DTR) ? "HIGH" : |
871 | (clear & TIOCM_DTR) ? "LOW" : "unchanged", | |
872 | (set & TIOCM_RTS) ? "HIGH" : | |
873 | (clear & TIOCM_RTS) ? "LOW" : "unchanged"); | |
874 | } else { | |
441b62c1 | 875 | dbg("%s - DTR %s, RTS %s", __func__, |
74ede0ff IA |
876 | (set & TIOCM_DTR) ? "HIGH" : |
877 | (clear & TIOCM_DTR) ? "LOW" : "unchanged", | |
878 | (set & TIOCM_RTS) ? "HIGH" : | |
879 | (clear & TIOCM_RTS) ? "LOW" : "unchanged"); | |
9b0f2582 | 880 | /* FIXME: locking on last_dtr_rts */ |
74ede0ff IA |
881 | priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set; |
882 | } | |
1da177e4 LT |
883 | return rv; |
884 | } | |
885 | ||
886 | ||
464cbb24 AC |
887 | static __u32 get_ftdi_divisor(struct tty_struct *tty, |
888 | struct usb_serial_port *port) | |
1da177e4 LT |
889 | { /* get_ftdi_divisor */ |
890 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
891 | __u32 div_value = 0; | |
892 | int div_okay = 1; | |
893 | int baud; | |
894 | ||
895 | /* | |
464cbb24 AC |
896 | * The logic involved in setting the baudrate can be cleanly split into |
897 | * 3 steps. | |
1da177e4 | 898 | * 1. Standard baud rates are set in tty->termios->c_cflag |
464cbb24 AC |
899 | * 2. If these are not enough, you can set any speed using alt_speed as |
900 | * follows: | |
1da177e4 LT |
901 | * - set tty->termios->c_cflag speed to B38400 |
902 | * - set your real speed in tty->alt_speed; it gets ignored when | |
903 | * alt_speed==0, (or) | |
464cbb24 AC |
904 | * - call TIOCSSERIAL ioctl with (struct serial_struct) set as |
905 | * follows: | |
906 | * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP], | |
907 | * this just sets alt_speed to (HI: 57600, VHI: 115200, | |
908 | * SHI: 230400, WARP: 460800) | |
1da177e4 LT |
909 | * ** Steps 1, 2 are done courtesy of tty_get_baud_rate |
910 | * 3. You can also set baud rate by setting custom divisor as follows | |
911 | * - set tty->termios->c_cflag speed to B38400 | |
464cbb24 AC |
912 | * - call TIOCSSERIAL ioctl with (struct serial_struct) set as |
913 | * follows: | |
1da177e4 LT |
914 | * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST |
915 | * o custom_divisor set to baud_base / your_new_baudrate | |
464cbb24 AC |
916 | * ** Step 3 is done courtesy of code borrowed from serial.c |
917 | * I should really spend some time and separate + move this common | |
918 | * code to serial.c, it is replicated in nearly every serial driver | |
919 | * you see. | |
1da177e4 LT |
920 | */ |
921 | ||
464cbb24 AC |
922 | /* 1. Get the baud rate from the tty settings, this observes |
923 | alt_speed hack */ | |
1da177e4 | 924 | |
95da310e | 925 | baud = tty_get_baud_rate(tty); |
441b62c1 | 926 | dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud); |
1da177e4 | 927 | |
464cbb24 AC |
928 | /* 2. Observe async-compatible custom_divisor hack, update baudrate |
929 | if needed */ | |
1da177e4 LT |
930 | |
931 | if (baud == 38400 && | |
932 | ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && | |
933 | (priv->custom_divisor)) { | |
934 | baud = priv->baud_base / priv->custom_divisor; | |
464cbb24 AC |
935 | dbg("%s - custom divisor %d sets baud rate to %d", |
936 | __func__, priv->custom_divisor, baud); | |
1da177e4 LT |
937 | } |
938 | ||
939 | /* 3. Convert baudrate to device-specific divisor */ | |
940 | ||
464cbb24 AC |
941 | if (!baud) |
942 | baud = 9600; | |
943 | switch (priv->chip_type) { | |
1da177e4 | 944 | case SIO: /* SIO chip */ |
464cbb24 | 945 | switch (baud) { |
1da177e4 LT |
946 | case 300: div_value = ftdi_sio_b300; break; |
947 | case 600: div_value = ftdi_sio_b600; break; | |
948 | case 1200: div_value = ftdi_sio_b1200; break; | |
949 | case 2400: div_value = ftdi_sio_b2400; break; | |
950 | case 4800: div_value = ftdi_sio_b4800; break; | |
951 | case 9600: div_value = ftdi_sio_b9600; break; | |
952 | case 19200: div_value = ftdi_sio_b19200; break; | |
953 | case 38400: div_value = ftdi_sio_b38400; break; | |
954 | case 57600: div_value = ftdi_sio_b57600; break; | |
955 | case 115200: div_value = ftdi_sio_b115200; break; | |
956 | } /* baud */ | |
957 | if (div_value == 0) { | |
464cbb24 AC |
958 | dbg("%s - Baudrate (%d) requested is not supported", |
959 | __func__, baud); | |
1da177e4 | 960 | div_value = ftdi_sio_b9600; |
bd5e47cc | 961 | baud = 9600; |
1da177e4 LT |
962 | div_okay = 0; |
963 | } | |
964 | break; | |
965 | case FT8U232AM: /* 8U232AM chip */ | |
966 | if (baud <= 3000000) { | |
967 | div_value = ftdi_232am_baud_to_divisor(baud); | |
968 | } else { | |
464cbb24 | 969 | dbg("%s - Baud rate too high!", __func__); |
bd5e47cc | 970 | baud = 9600; |
1da177e4 LT |
971 | div_value = ftdi_232am_baud_to_divisor(9600); |
972 | div_okay = 0; | |
973 | } | |
974 | break; | |
975 | case FT232BM: /* FT232BM chip */ | |
976 | case FT2232C: /* FT2232C chip */ | |
3b009c63 | 977 | case FT232RL: |
1da177e4 LT |
978 | if (baud <= 3000000) { |
979 | div_value = ftdi_232bm_baud_to_divisor(baud); | |
980 | } else { | |
464cbb24 | 981 | dbg("%s - Baud rate too high!", __func__); |
1da177e4 LT |
982 | div_value = ftdi_232bm_baud_to_divisor(9600); |
983 | div_okay = 0; | |
669a6db1 | 984 | baud = 9600; |
1da177e4 LT |
985 | } |
986 | break; | |
987 | } /* priv->chip_type */ | |
988 | ||
989 | if (div_okay) { | |
990 | dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s", | |
441b62c1 | 991 | __func__, baud, (unsigned long)div_value, |
1da177e4 LT |
992 | ftdi_chip_name[priv->chip_type]); |
993 | } | |
994 | ||
95da310e | 995 | tty_encode_baud_rate(tty, baud, baud); |
464cbb24 | 996 | return div_value; |
1da177e4 LT |
997 | } |
998 | ||
95da310e AC |
999 | static int change_speed(struct tty_struct *tty, struct usb_serial_port *port) |
1000 | { | |
1001 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1002 | char *buf; | |
464cbb24 | 1003 | __u16 urb_value; |
95da310e AC |
1004 | __u16 urb_index; |
1005 | __u32 urb_index_value; | |
1006 | int rv; | |
1007 | ||
1008 | buf = kmalloc(1, GFP_NOIO); | |
1009 | if (!buf) | |
1010 | return -ENOMEM; | |
1011 | ||
1012 | urb_index_value = get_ftdi_divisor(tty, port); | |
1013 | urb_value = (__u16)urb_index_value; | |
1014 | urb_index = (__u16)(urb_index_value >> 16); | |
1015 | if (priv->interface) { /* FT2232C */ | |
1016 | urb_index = (__u16)((urb_index << 8) | priv->interface); | |
1017 | } | |
1018 | ||
1019 | rv = usb_control_msg(port->serial->dev, | |
1020 | usb_sndctrlpipe(port->serial->dev, 0), | |
1021 | FTDI_SIO_SET_BAUDRATE_REQUEST, | |
1022 | FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, | |
1023 | urb_value, urb_index, | |
1024 | buf, 0, WDR_SHORT_TIMEOUT); | |
1025 | ||
1026 | kfree(buf); | |
1027 | return rv; | |
1028 | } | |
1029 | ||
1030 | ||
1da177e4 | 1031 | |
464cbb24 AC |
1032 | static int get_serial_info(struct usb_serial_port *port, |
1033 | struct serial_struct __user *retinfo) | |
1da177e4 LT |
1034 | { |
1035 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1036 | struct serial_struct tmp; | |
1037 | ||
1038 | if (!retinfo) | |
1039 | return -EFAULT; | |
1040 | memset(&tmp, 0, sizeof(tmp)); | |
1041 | tmp.flags = priv->flags; | |
1042 | tmp.baud_base = priv->baud_base; | |
1043 | tmp.custom_divisor = priv->custom_divisor; | |
1044 | if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) | |
1045 | return -EFAULT; | |
1046 | return 0; | |
1047 | } /* get_serial_info */ | |
1048 | ||
1049 | ||
95da310e | 1050 | static int set_serial_info(struct tty_struct *tty, |
464cbb24 | 1051 | struct usb_serial_port *port, struct serial_struct __user *newinfo) |
1da177e4 LT |
1052 | { /* set_serial_info */ |
1053 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1054 | struct serial_struct new_serial; | |
1055 | struct ftdi_private old_priv; | |
1056 | ||
1057 | if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) | |
1058 | return -EFAULT; | |
6b447f04 AC |
1059 | |
1060 | lock_kernel(); | |
464cbb24 | 1061 | old_priv = *priv; |
1da177e4 LT |
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) && | |
6b447f04 AC |
1076 | (new_serial.baud_base < 9600)) { |
1077 | unlock_kernel(); | |
1da177e4 | 1078 | return -EINVAL; |
6b447f04 | 1079 | } |
1da177e4 LT |
1080 | |
1081 | /* Make the changes - these are privileged changes! */ | |
1082 | ||
1083 | priv->flags = ((priv->flags & ~ASYNC_FLAGS) | | |
464cbb24 | 1084 | (new_serial.flags & ASYNC_FLAGS)); |
1da177e4 LT |
1085 | priv->custom_divisor = new_serial.custom_divisor; |
1086 | ||
95da310e | 1087 | tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; |
1da177e4 LT |
1088 | |
1089 | check_and_exit: | |
1090 | if ((old_priv.flags & ASYNC_SPD_MASK) != | |
1091 | (priv->flags & ASYNC_SPD_MASK)) { | |
1092 | if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) | |
95da310e | 1093 | tty->alt_speed = 57600; |
1da177e4 | 1094 | else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) |
95da310e | 1095 | tty->alt_speed = 115200; |
1da177e4 | 1096 | else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) |
95da310e | 1097 | tty->alt_speed = 230400; |
1da177e4 | 1098 | else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) |
95da310e | 1099 | tty->alt_speed = 460800; |
1da177e4 | 1100 | else |
95da310e | 1101 | tty->alt_speed = 0; |
1da177e4 LT |
1102 | } |
1103 | if (((old_priv.flags & ASYNC_SPD_MASK) != | |
1104 | (priv->flags & ASYNC_SPD_MASK)) || | |
1105 | (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && | |
1106 | (old_priv.custom_divisor != priv->custom_divisor))) { | |
6b447f04 | 1107 | unlock_kernel(); |
95da310e | 1108 | change_speed(tty, port); |
1da177e4 | 1109 | } |
6b447f04 AC |
1110 | else |
1111 | unlock_kernel(); | |
95da310e | 1112 | return 0; |
1da177e4 LT |
1113 | |
1114 | } /* set_serial_info */ | |
1115 | ||
1116 | ||
8f977e42 IA |
1117 | /* Determine type of FTDI chip based on USB config and descriptor. */ |
1118 | static void ftdi_determine_type(struct usb_serial_port *port) | |
1119 | { | |
1120 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1121 | struct usb_serial *serial = port->serial; | |
1122 | struct usb_device *udev = serial->dev; | |
1123 | unsigned version; | |
1124 | unsigned interfaces; | |
1125 | ||
1126 | /* Assume it is not the original SIO device for now. */ | |
f5e09b7c | 1127 | priv->baud_base = 48000000 / 2; |
8f977e42 IA |
1128 | priv->write_offset = 0; |
1129 | ||
1130 | version = le16_to_cpu(udev->descriptor.bcdDevice); | |
1131 | interfaces = udev->actconfig->desc.bNumInterfaces; | |
441b62c1 | 1132 | dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__, |
8f977e42 IA |
1133 | version, interfaces); |
1134 | if (interfaces > 1) { | |
1135 | int inter; | |
1136 | ||
1137 | /* Multiple interfaces. Assume FT2232C. */ | |
1138 | priv->chip_type = FT2232C; | |
1139 | /* Determine interface code. */ | |
1140 | inter = serial->interface->altsetting->desc.bInterfaceNumber; | |
464cbb24 | 1141 | if (inter == 0) |
8f977e42 | 1142 | priv->interface = PIT_SIOA; |
464cbb24 | 1143 | else |
8f977e42 | 1144 | priv->interface = PIT_SIOB; |
8f977e42 IA |
1145 | /* BM-type devices have a bug where bcdDevice gets set |
1146 | * to 0x200 when iSerialNumber is 0. */ | |
1147 | if (version < 0x500) { | |
1148 | dbg("%s: something fishy - bcdDevice too low for multi-interface device", | |
441b62c1 | 1149 | __func__); |
8f977e42 IA |
1150 | } |
1151 | } else if (version < 0x200) { | |
1152 | /* Old device. Assume its the original SIO. */ | |
1153 | priv->chip_type = SIO; | |
1154 | priv->baud_base = 12000000 / 16; | |
1155 | priv->write_offset = 1; | |
1156 | } else if (version < 0x400) { | |
1157 | /* Assume its an FT8U232AM (or FT8U245AM) */ | |
1158 | /* (It might be a BM because of the iSerialNumber bug, | |
1159 | * but it will still work as an AM device.) */ | |
1160 | priv->chip_type = FT8U232AM; | |
3b009c63 | 1161 | } else if (version < 0x600) { |
8f977e42 IA |
1162 | /* Assume its an FT232BM (or FT245BM) */ |
1163 | priv->chip_type = FT232BM; | |
3b009c63 DB |
1164 | } else { |
1165 | /* Assume its an FT232R */ | |
1166 | priv->chip_type = FT232RL; | |
8f977e42 | 1167 | } |
c197a8db | 1168 | dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]); |
8f977e42 IA |
1169 | } |
1170 | ||
1171 | ||
1da177e4 LT |
1172 | /* |
1173 | * *************************************************************************** | |
1174 | * Sysfs Attribute | |
1175 | * *************************************************************************** | |
1176 | */ | |
1177 | ||
464cbb24 AC |
1178 | static ssize_t show_latency_timer(struct device *dev, |
1179 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1180 | { |
1181 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1182 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
12bdbe03 | 1183 | struct usb_device *udev = port->serial->dev; |
1da177e4 LT |
1184 | unsigned short latency = 0; |
1185 | int rv = 0; | |
5c09d144 | 1186 | |
5c09d144 | 1187 | |
464cbb24 | 1188 | dbg("%s", __func__); |
5c09d144 | 1189 | |
1da177e4 LT |
1190 | rv = usb_control_msg(udev, |
1191 | usb_rcvctrlpipe(udev, 0), | |
1192 | FTDI_SIO_GET_LATENCY_TIMER_REQUEST, | |
1193 | FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, | |
5c09d144 | 1194 | 0, priv->interface, |
464cbb24 | 1195 | (char *) &latency, 1, WDR_TIMEOUT); |
5c09d144 | 1196 | |
1da177e4 | 1197 | if (rv < 0) { |
898eb71c | 1198 | dev_err(dev, "Unable to read latency timer: %i\n", rv); |
1da177e4 LT |
1199 | return -EIO; |
1200 | } | |
1201 | return sprintf(buf, "%i\n", latency); | |
1202 | } | |
1203 | ||
1204 | /* Write a new value of the latency timer, in units of milliseconds. */ | |
464cbb24 AC |
1205 | static ssize_t store_latency_timer(struct device *dev, |
1206 | struct device_attribute *attr, const char *valbuf, | |
1207 | size_t count) | |
1da177e4 LT |
1208 | { |
1209 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1210 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
12bdbe03 | 1211 | struct usb_device *udev = port->serial->dev; |
1da177e4 LT |
1212 | char buf[1]; |
1213 | int v = simple_strtoul(valbuf, NULL, 10); | |
1214 | int rv = 0; | |
5c09d144 | 1215 | |
441b62c1 | 1216 | dbg("%s: setting latency timer = %i", __func__, v); |
5c09d144 | 1217 | |
1da177e4 LT |
1218 | rv = usb_control_msg(udev, |
1219 | usb_sndctrlpipe(udev, 0), | |
1220 | FTDI_SIO_SET_LATENCY_TIMER_REQUEST, | |
1221 | FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, | |
5c09d144 | 1222 | v, priv->interface, |
1da177e4 | 1223 | buf, 0, WDR_TIMEOUT); |
5c09d144 | 1224 | |
1da177e4 | 1225 | if (rv < 0) { |
898eb71c | 1226 | dev_err(dev, "Unable to write latency timer: %i\n", rv); |
1da177e4 LT |
1227 | return -EIO; |
1228 | } | |
5c09d144 | 1229 | |
1da177e4 LT |
1230 | return count; |
1231 | } | |
1232 | ||
1233 | /* Write an event character directly to the FTDI register. The ASCII | |
1234 | value is in the low 8 bits, with the enable bit in the 9th bit. */ | |
464cbb24 AC |
1235 | static ssize_t store_event_char(struct device *dev, |
1236 | struct device_attribute *attr, const char *valbuf, size_t count) | |
1da177e4 LT |
1237 | { |
1238 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1239 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
12bdbe03 | 1240 | struct usb_device *udev = port->serial->dev; |
1da177e4 LT |
1241 | char buf[1]; |
1242 | int v = simple_strtoul(valbuf, NULL, 10); | |
1243 | int rv = 0; | |
5c09d144 | 1244 | |
441b62c1 | 1245 | dbg("%s: setting event char = %i", __func__, v); |
5c09d144 | 1246 | |
1da177e4 LT |
1247 | rv = usb_control_msg(udev, |
1248 | usb_sndctrlpipe(udev, 0), | |
1249 | FTDI_SIO_SET_EVENT_CHAR_REQUEST, | |
1250 | FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE, | |
5c09d144 | 1251 | v, priv->interface, |
1da177e4 | 1252 | buf, 0, WDR_TIMEOUT); |
5c09d144 | 1253 | |
1da177e4 LT |
1254 | if (rv < 0) { |
1255 | dbg("Unable to write event character: %i", rv); | |
1256 | return -EIO; | |
1257 | } | |
5c09d144 | 1258 | |
1da177e4 LT |
1259 | return count; |
1260 | } | |
1261 | ||
464cbb24 AC |
1262 | static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, |
1263 | store_latency_timer); | |
1da177e4 LT |
1264 | static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char); |
1265 | ||
12bdbe03 | 1266 | static int create_sysfs_attrs(struct usb_serial_port *port) |
13f4db9e | 1267 | { |
12bdbe03 | 1268 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
13f4db9e | 1269 | int retval = 0; |
1da177e4 | 1270 | |
464cbb24 | 1271 | dbg("%s", __func__); |
13f4db9e | 1272 | |
1da177e4 LT |
1273 | /* XXX I've no idea if the original SIO supports the event_char |
1274 | * sysfs parameter, so I'm playing it safe. */ | |
1275 | if (priv->chip_type != SIO) { | |
1276 | dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]); | |
12bdbe03 | 1277 | retval = device_create_file(&port->dev, &dev_attr_event_char); |
13f4db9e | 1278 | if ((!retval) && |
97cd49eb SM |
1279 | (priv->chip_type == FT232BM || |
1280 | priv->chip_type == FT2232C || | |
1281 | priv->chip_type == FT232RL)) { | |
12bdbe03 | 1282 | retval = device_create_file(&port->dev, |
13f4db9e | 1283 | &dev_attr_latency_timer); |
1da177e4 LT |
1284 | } |
1285 | } | |
13f4db9e | 1286 | return retval; |
1da177e4 LT |
1287 | } |
1288 | ||
12bdbe03 | 1289 | static void remove_sysfs_attrs(struct usb_serial_port *port) |
1da177e4 | 1290 | { |
12bdbe03 | 1291 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1da177e4 | 1292 | |
464cbb24 | 1293 | dbg("%s", __func__); |
1da177e4 | 1294 | |
1da177e4 LT |
1295 | /* XXX see create_sysfs_attrs */ |
1296 | if (priv->chip_type != SIO) { | |
12bdbe03 | 1297 | device_remove_file(&port->dev, &dev_attr_event_char); |
ed6e5282 AB |
1298 | if (priv->chip_type == FT232BM || |
1299 | priv->chip_type == FT2232C || | |
1300 | priv->chip_type == FT232RL) { | |
12bdbe03 | 1301 | device_remove_file(&port->dev, &dev_attr_latency_timer); |
1da177e4 LT |
1302 | } |
1303 | } | |
5c09d144 | 1304 | |
1da177e4 LT |
1305 | } |
1306 | ||
1307 | /* | |
1308 | * *************************************************************************** | |
1309 | * FTDI driver specific functions | |
1310 | * *************************************************************************** | |
1311 | */ | |
1312 | ||
8f977e42 | 1313 | /* Probe function to check for special devices */ |
464cbb24 AC |
1314 | static int ftdi_sio_probe(struct usb_serial *serial, |
1315 | const struct usb_device_id *id) | |
8f977e42 | 1316 | { |
464cbb24 AC |
1317 | struct ftdi_sio_quirk *quirk = |
1318 | (struct ftdi_sio_quirk *)id->driver_info; | |
fa91d43b TL |
1319 | |
1320 | if (quirk && quirk->probe) { | |
1321 | int ret = quirk->probe(serial); | |
1322 | if (ret != 0) | |
1323 | return ret; | |
1324 | } | |
1325 | ||
8f977e42 IA |
1326 | usb_set_serial_data(serial, (void *)id->driver_info); |
1327 | ||
fa91d43b | 1328 | return 0; |
8f977e42 IA |
1329 | } |
1330 | ||
12bdbe03 | 1331 | static int ftdi_sio_port_probe(struct usb_serial_port *port) |
1da177e4 | 1332 | { |
1da177e4 | 1333 | struct ftdi_private *priv; |
0ffbbe25 ON |
1334 | struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial); |
1335 | ||
13f4db9e | 1336 | |
464cbb24 | 1337 | dbg("%s", __func__); |
1da177e4 | 1338 | |
80b6ca48 | 1339 | priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL); |
464cbb24 | 1340 | if (!priv) { |
194343d9 | 1341 | dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__, |
464cbb24 | 1342 | sizeof(struct ftdi_private)); |
1da177e4 LT |
1343 | return -ENOMEM; |
1344 | } | |
1da177e4 LT |
1345 | |
1346 | spin_lock_init(&priv->rx_lock); | |
22465400 | 1347 | spin_lock_init(&priv->tx_lock); |
464cbb24 | 1348 | init_waitqueue_head(&priv->delta_msr_wait); |
1da177e4 LT |
1349 | /* This will push the characters through immediately rather |
1350 | than queue a task to deliver them */ | |
1351 | priv->flags = ASYNC_LOW_LATENCY; | |
1352 | ||
0ffbbe25 ON |
1353 | if (quirk && quirk->port_probe) |
1354 | quirk->port_probe(priv); | |
1355 | ||
1da177e4 | 1356 | /* Increase the size of read buffers */ |
1bc3c9e1 | 1357 | kfree(port->bulk_in_buffer); |
464cbb24 | 1358 | port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL); |
1da177e4 | 1359 | if (!port->bulk_in_buffer) { |
464cbb24 | 1360 | kfree(priv); |
1da177e4 LT |
1361 | return -ENOMEM; |
1362 | } | |
1363 | if (port->read_urb) { | |
1364 | port->read_urb->transfer_buffer = port->bulk_in_buffer; | |
1365 | port->read_urb->transfer_buffer_length = BUFSZ; | |
1366 | } | |
1367 | ||
c4028958 DH |
1368 | INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read); |
1369 | priv->port = port; | |
76854cea | 1370 | |
1da177e4 LT |
1371 | /* Free port's existing write urb and transfer buffer. */ |
1372 | if (port->write_urb) { | |
464cbb24 | 1373 | usb_free_urb(port->write_urb); |
1da177e4 LT |
1374 | port->write_urb = NULL; |
1375 | } | |
1bc3c9e1 JJ |
1376 | kfree(port->bulk_out_buffer); |
1377 | port->bulk_out_buffer = NULL; | |
1da177e4 | 1378 | |
12bdbe03 | 1379 | usb_set_serial_port_data(port, priv); |
1da177e4 | 1380 | |
464cbb24 | 1381 | ftdi_determine_type(port); |
12bdbe03 JR |
1382 | create_sysfs_attrs(port); |
1383 | return 0; | |
1384 | } | |
1da177e4 | 1385 | |
8f977e42 IA |
1386 | /* Setup for the USB-UIRT device, which requires hardwired |
1387 | * baudrate (38400 gets mapped to 312500) */ | |
1da177e4 | 1388 | /* Called from usbserial:serial_probe */ |
464cbb24 | 1389 | static void ftdi_USB_UIRT_setup(struct ftdi_private *priv) |
8f977e42 | 1390 | { |
464cbb24 | 1391 | dbg("%s", __func__); |
1da177e4 | 1392 | |
1da177e4 LT |
1393 | priv->flags |= ASYNC_SPD_CUST; |
1394 | priv->custom_divisor = 77; | |
669a6db1 | 1395 | priv->force_baud = 38400; |
8f977e42 | 1396 | } /* ftdi_USB_UIRT_setup */ |
1da177e4 | 1397 | |
8f977e42 IA |
1398 | /* Setup for the HE-TIRA1 device, which requires hardwired |
1399 | * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */ | |
464cbb24 AC |
1400 | |
1401 | static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) | |
8f977e42 | 1402 | { |
464cbb24 | 1403 | dbg("%s", __func__); |
1da177e4 | 1404 | |
1da177e4 LT |
1405 | priv->flags |= ASYNC_SPD_CUST; |
1406 | priv->custom_divisor = 240; | |
669a6db1 | 1407 | priv->force_baud = 38400; |
1da177e4 | 1408 | priv->force_rtscts = 1; |
8f977e42 | 1409 | } /* ftdi_HE_TIRA1_setup */ |
1da177e4 | 1410 | |
fa91d43b | 1411 | /* |
20734345 HW |
1412 | * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko |
1413 | * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from | |
1414 | * userspace using openocd. | |
fa91d43b | 1415 | */ |
20734345 | 1416 | static int ftdi_jtag_probe(struct usb_serial *serial) |
fa91d43b TL |
1417 | { |
1418 | struct usb_device *udev = serial->dev; | |
1419 | struct usb_interface *interface = serial->interface; | |
1420 | ||
464cbb24 | 1421 | dbg("%s", __func__); |
fa91d43b TL |
1422 | |
1423 | if (interface == udev->actconfig->interface[0]) { | |
c197a8db GKH |
1424 | dev_info(&udev->dev, |
1425 | "Ignoring serial port reserved for JTAG\n"); | |
fa91d43b TL |
1426 | return -ENODEV; |
1427 | } | |
1428 | ||
1429 | return 0; | |
1430 | } | |
1da177e4 | 1431 | |
546d7eec KV |
1432 | /* |
1433 | * The Matrix Orbital VK204-25-USB has an invalid IN endpoint. | |
1434 | * We have to correct it if we want to read from it. | |
1435 | */ | |
1436 | static int ftdi_mtxorb_hack_setup(struct usb_serial *serial) | |
1437 | { | |
1438 | struct usb_host_endpoint *ep = serial->dev->ep_in[1]; | |
1439 | struct usb_endpoint_descriptor *ep_desc = &ep->desc; | |
1440 | ||
1441 | if (ep->enabled && ep_desc->wMaxPacketSize == 0) { | |
fd05e720 | 1442 | ep_desc->wMaxPacketSize = cpu_to_le16(0x40); |
c197a8db GKH |
1443 | dev_info(&serial->dev->dev, |
1444 | "Fixing invalid wMaxPacketSize on read pipe\n"); | |
546d7eec KV |
1445 | } |
1446 | ||
1447 | return 0; | |
1448 | } | |
1449 | ||
5c09d144 | 1450 | /* ftdi_shutdown is called from usbserial:usb_serial_disconnect |
1da177e4 LT |
1451 | * it is called when the usb device is disconnected |
1452 | * | |
1453 | * usbserial:usb_serial_disconnect | |
1454 | * calls __serial_close for each open of the port | |
1455 | * shutdown is called then (ie ftdi_shutdown) | |
1456 | */ | |
464cbb24 | 1457 | static void ftdi_shutdown(struct usb_serial *serial) |
12bdbe03 | 1458 | { |
441b62c1 | 1459 | dbg("%s", __func__); |
12bdbe03 | 1460 | } |
5c09d144 | 1461 | |
12bdbe03 JR |
1462 | static int ftdi_sio_port_remove(struct usb_serial_port *port) |
1463 | { | |
1da177e4 LT |
1464 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1465 | ||
441b62c1 | 1466 | dbg("%s", __func__); |
1da177e4 | 1467 | |
12bdbe03 | 1468 | remove_sysfs_attrs(port); |
5c09d144 DB |
1469 | |
1470 | /* all open ports are closed at this point | |
464cbb24 | 1471 | * (by usbserial.c:__serial_close, which calls ftdi_close) |
1da177e4 LT |
1472 | */ |
1473 | ||
1474 | if (priv) { | |
1475 | usb_set_serial_port_data(port, NULL); | |
1476 | kfree(priv); | |
1477 | } | |
1da177e4 | 1478 | |
12bdbe03 JR |
1479 | return 0; |
1480 | } | |
1da177e4 | 1481 | |
95da310e AC |
1482 | static int ftdi_open(struct tty_struct *tty, |
1483 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 1484 | { /* ftdi_open */ |
1da177e4 LT |
1485 | struct usb_device *dev = port->serial->dev; |
1486 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1487 | unsigned long flags; | |
5c09d144 | 1488 | |
1da177e4 LT |
1489 | int result = 0; |
1490 | char buf[1]; /* Needed for the usb_control_msg I think */ | |
1491 | ||
441b62c1 | 1492 | dbg("%s", __func__); |
1da177e4 | 1493 | |
22465400 IA |
1494 | spin_lock_irqsave(&priv->tx_lock, flags); |
1495 | priv->tx_bytes = 0; | |
1496 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1497 | spin_lock_irqsave(&priv->rx_lock, flags); | |
1498 | priv->rx_bytes = 0; | |
1499 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
1500 | ||
95da310e AC |
1501 | if (tty) |
1502 | tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; | |
1da177e4 LT |
1503 | |
1504 | /* No error checking for this (will get errors later anyway) */ | |
1505 | /* See ftdi_sio.h for description of what is reset */ | |
1506 | usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
5c09d144 DB |
1507 | FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, |
1508 | FTDI_SIO_RESET_SIO, | |
1da177e4 LT |
1509 | priv->interface, buf, 0, WDR_TIMEOUT); |
1510 | ||
1511 | /* Termios defaults are set by usb_serial_init. We don't change | |
c4f01240 | 1512 | port->tty->termios - this would lose speed settings, etc. |
1da177e4 LT |
1513 | This is same behaviour as serial.c/rs_open() - Kuba */ |
1514 | ||
1515 | /* ftdi_set_termios will send usb control messages */ | |
95da310e AC |
1516 | if (tty) |
1517 | ftdi_set_termios(tty, port, tty->termios); | |
1da177e4 LT |
1518 | |
1519 | /* FIXME: Flow control might be enabled, so it should be checked - | |
1520 | we have no control of defaults! */ | |
1521 | /* Turn on RTS and DTR since we are not flow controlling by default */ | |
74ede0ff | 1522 | set_mctrl(port, TIOCM_DTR | TIOCM_RTS); |
1da177e4 LT |
1523 | |
1524 | /* Not throttled */ | |
1525 | spin_lock_irqsave(&priv->rx_lock, flags); | |
1526 | priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); | |
1527 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
1528 | ||
1529 | /* Start reading from the device */ | |
76854cea | 1530 | priv->rx_processed = 0; |
1da177e4 | 1531 | usb_fill_bulk_urb(port->read_urb, dev, |
464cbb24 AC |
1532 | usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress), |
1533 | port->read_urb->transfer_buffer, | |
1534 | port->read_urb->transfer_buffer_length, | |
1535 | ftdi_read_bulk_callback, port); | |
1da177e4 LT |
1536 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); |
1537 | if (result) | |
194343d9 GKH |
1538 | dev_err(&port->dev, |
1539 | "%s - failed submitting read urb, error %d\n", | |
1540 | __func__, result); | |
1da177e4 LT |
1541 | |
1542 | ||
1543 | return result; | |
1544 | } /* ftdi_open */ | |
1545 | ||
1546 | ||
1547 | ||
5c09d144 | 1548 | /* |
1da177e4 LT |
1549 | * usbserial:__serial_close only calls ftdi_close if the point is open |
1550 | * | |
1551 | * This only gets called when it is the last close | |
5c09d144 DB |
1552 | * |
1553 | * | |
1da177e4 LT |
1554 | */ |
1555 | ||
95da310e AC |
1556 | static void ftdi_close(struct tty_struct *tty, |
1557 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 1558 | { /* ftdi_close */ |
95da310e | 1559 | unsigned int c_cflag = tty->termios->c_cflag; |
1da177e4 LT |
1560 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1561 | char buf[1]; | |
1562 | ||
441b62c1 | 1563 | dbg("%s", __func__); |
1da177e4 | 1564 | |
95bef012 | 1565 | mutex_lock(&port->serial->disc_mutex); |
464cbb24 | 1566 | if (c_cflag & HUPCL && !port->serial->disconnected) { |
1da177e4 | 1567 | /* Disable flow control */ |
5c09d144 | 1568 | if (usb_control_msg(port->serial->dev, |
1da177e4 LT |
1569 | usb_sndctrlpipe(port->serial->dev, 0), |
1570 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, | |
1571 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, | |
1572 | 0, priv->interface, buf, 0, | |
1573 | WDR_TIMEOUT) < 0) { | |
194343d9 | 1574 | dev_err(&port->dev, "error from flowcontrol urb\n"); |
5c09d144 | 1575 | } |
1da177e4 | 1576 | |
74ede0ff IA |
1577 | /* drop RTS and DTR */ |
1578 | clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); | |
1da177e4 | 1579 | } /* Note change no line if hupcl is off */ |
95bef012 | 1580 | mutex_unlock(&port->serial->disc_mutex); |
76854cea IA |
1581 | |
1582 | /* cancel any scheduled reading */ | |
1583 | cancel_delayed_work(&priv->rx_work); | |
1584 | flush_scheduled_work(); | |
5c09d144 | 1585 | |
1da177e4 | 1586 | /* shutdown our bulk read */ |
794c944e | 1587 | usb_kill_urb(port->read_urb); |
1da177e4 LT |
1588 | } /* ftdi_close */ |
1589 | ||
1590 | ||
5c09d144 | 1591 | |
1da177e4 LT |
1592 | /* The SIO requires the first byte to have: |
1593 | * B0 1 | |
1594 | * B1 0 | |
1595 | * B2..7 length of message excluding byte 0 | |
1596 | * | |
1597 | * The new devices do not require this byte | |
1598 | */ | |
95da310e | 1599 | static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
1600 | const unsigned char *buf, int count) |
1601 | { /* ftdi_write */ | |
1602 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1603 | struct urb *urb; | |
1604 | unsigned char *buffer; | |
1605 | int data_offset ; /* will be 1 for the SIO and 0 otherwise */ | |
1606 | int status; | |
1607 | int transfer_size; | |
22465400 | 1608 | unsigned long flags; |
1da177e4 | 1609 | |
441b62c1 | 1610 | dbg("%s port %d, %d bytes", __func__, port->number, count); |
1da177e4 LT |
1611 | |
1612 | if (count == 0) { | |
1613 | dbg("write request of 0 bytes"); | |
1614 | return 0; | |
1615 | } | |
22465400 IA |
1616 | spin_lock_irqsave(&priv->tx_lock, flags); |
1617 | if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) { | |
1618 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
441b62c1 | 1619 | dbg("%s - write limit hit\n", __func__); |
22465400 IA |
1620 | return 0; |
1621 | } | |
62127a58 | 1622 | priv->tx_outstanding_urbs++; |
22465400 | 1623 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
5c09d144 | 1624 | |
1da177e4 | 1625 | data_offset = priv->write_offset; |
464cbb24 | 1626 | dbg("data_offset set to %d", data_offset); |
1da177e4 LT |
1627 | |
1628 | /* Determine total transfer size */ | |
1629 | transfer_size = count; | |
1630 | if (data_offset > 0) { | |
1631 | /* Original sio needs control bytes too... */ | |
1632 | transfer_size += (data_offset * | |
1633 | ((count + (PKTSZ - 1 - data_offset)) / | |
1634 | (PKTSZ - data_offset))); | |
1635 | } | |
1636 | ||
464cbb24 | 1637 | buffer = kmalloc(transfer_size, GFP_ATOMIC); |
1da177e4 | 1638 | if (!buffer) { |
194343d9 GKH |
1639 | dev_err(&port->dev, |
1640 | "%s ran out of kernel memory for urb ...\n", __func__); | |
62127a58 ON |
1641 | count = -ENOMEM; |
1642 | goto error_no_buffer; | |
1da177e4 LT |
1643 | } |
1644 | ||
1645 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
1646 | if (!urb) { | |
194343d9 | 1647 | dev_err(&port->dev, "%s - no more free urbs\n", __func__); |
62127a58 ON |
1648 | count = -ENOMEM; |
1649 | goto error_no_urb; | |
1da177e4 LT |
1650 | } |
1651 | ||
1652 | /* Copy data */ | |
1653 | if (data_offset > 0) { | |
464cbb24 AC |
1654 | /* Original sio requires control byte at start of |
1655 | each packet. */ | |
1da177e4 LT |
1656 | int user_pktsz = PKTSZ - data_offset; |
1657 | int todo = count; | |
1658 | unsigned char *first_byte = buffer; | |
1659 | const unsigned char *current_position = buf; | |
1660 | ||
1661 | while (todo > 0) { | |
464cbb24 | 1662 | if (user_pktsz > todo) |
1da177e4 | 1663 | user_pktsz = todo; |
1da177e4 | 1664 | /* Write the control byte at the front of the packet*/ |
5c09d144 | 1665 | *first_byte = 1 | ((user_pktsz) << 2); |
1da177e4 | 1666 | /* Copy data for packet */ |
464cbb24 | 1667 | memcpy(first_byte + data_offset, |
1da177e4 LT |
1668 | current_position, user_pktsz); |
1669 | first_byte += user_pktsz + data_offset; | |
1670 | current_position += user_pktsz; | |
1671 | todo -= user_pktsz; | |
1672 | } | |
1673 | } else { | |
1674 | /* No control byte required. */ | |
1675 | /* Copy in the data to send */ | |
464cbb24 | 1676 | memcpy(buffer, buf, count); |
1da177e4 LT |
1677 | } |
1678 | ||
464cbb24 AC |
1679 | usb_serial_debug_data(debug, &port->dev, __func__, |
1680 | transfer_size, buffer); | |
1da177e4 LT |
1681 | |
1682 | /* fill the buffer and send it */ | |
5c09d144 | 1683 | usb_fill_bulk_urb(urb, port->serial->dev, |
464cbb24 AC |
1684 | usb_sndbulkpipe(port->serial->dev, |
1685 | port->bulk_out_endpointAddress), | |
1686 | buffer, transfer_size, | |
1687 | ftdi_write_bulk_callback, port); | |
1da177e4 LT |
1688 | |
1689 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
1690 | if (status) { | |
194343d9 GKH |
1691 | dev_err(&port->dev, |
1692 | "%s - failed submitting write urb, error %d\n", | |
1693 | __func__, status); | |
1da177e4 | 1694 | count = status; |
62127a58 | 1695 | goto error; |
22465400 IA |
1696 | } else { |
1697 | spin_lock_irqsave(&priv->tx_lock, flags); | |
22465400 IA |
1698 | priv->tx_outstanding_bytes += count; |
1699 | priv->tx_bytes += count; | |
1700 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1da177e4 LT |
1701 | } |
1702 | ||
1703 | /* we are done with this urb, so let the host driver | |
1704 | * really free it when it is finished with it */ | |
62127a58 | 1705 | usb_free_urb(urb); |
1da177e4 | 1706 | |
441b62c1 | 1707 | dbg("%s write returning: %d", __func__, count); |
1da177e4 | 1708 | return count; |
62127a58 ON |
1709 | error: |
1710 | usb_free_urb(urb); | |
1711 | error_no_urb: | |
464cbb24 | 1712 | kfree(buffer); |
62127a58 ON |
1713 | error_no_buffer: |
1714 | spin_lock_irqsave(&priv->tx_lock, flags); | |
1715 | priv->tx_outstanding_urbs--; | |
1716 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1717 | return count; | |
1da177e4 LT |
1718 | } /* ftdi_write */ |
1719 | ||
1720 | ||
1721 | /* This function may get called when the device is closed */ | |
1722 | ||
464cbb24 | 1723 | static void ftdi_write_bulk_callback(struct urb *urb) |
1da177e4 | 1724 | { |
22465400 | 1725 | unsigned long flags; |
cdc97792 | 1726 | struct usb_serial_port *port = urb->context; |
22465400 IA |
1727 | struct ftdi_private *priv; |
1728 | int data_offset; /* will be 1 for the SIO and 0 otherwise */ | |
1729 | unsigned long countback; | |
0fb0aa18 | 1730 | int status = urb->status; |
1da177e4 LT |
1731 | |
1732 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
464cbb24 | 1733 | kfree(urb->transfer_buffer); |
1da177e4 | 1734 | |
441b62c1 | 1735 | dbg("%s - port %d", __func__, port->number); |
5c09d144 | 1736 | |
0fb0aa18 GKH |
1737 | if (status) { |
1738 | dbg("nonzero write bulk status received: %d", status); | |
1da177e4 LT |
1739 | return; |
1740 | } | |
1741 | ||
22465400 IA |
1742 | priv = usb_get_serial_port_data(port); |
1743 | if (!priv) { | |
441b62c1 | 1744 | dbg("%s - bad port private data pointer - exiting", __func__); |
22465400 IA |
1745 | return; |
1746 | } | |
1747 | /* account for transferred data */ | |
1748 | countback = urb->actual_length; | |
1749 | data_offset = priv->write_offset; | |
1750 | if (data_offset > 0) { | |
1751 | /* Subtract the control bytes */ | |
dfa5ec79 | 1752 | countback -= (data_offset * DIV_ROUND_UP(countback, PKTSZ)); |
22465400 IA |
1753 | } |
1754 | spin_lock_irqsave(&priv->tx_lock, flags); | |
1755 | --priv->tx_outstanding_urbs; | |
1756 | priv->tx_outstanding_bytes -= countback; | |
1757 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1758 | ||
cf2c7481 | 1759 | usb_serial_port_softint(port); |
1da177e4 LT |
1760 | } /* ftdi_write_bulk_callback */ |
1761 | ||
1762 | ||
95da310e | 1763 | static int ftdi_write_room(struct tty_struct *tty) |
1da177e4 | 1764 | { |
95da310e | 1765 | struct usb_serial_port *port = tty->driver_data; |
22465400 IA |
1766 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1767 | int room; | |
1768 | unsigned long flags; | |
1769 | ||
441b62c1 | 1770 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1771 | |
22465400 IA |
1772 | spin_lock_irqsave(&priv->tx_lock, flags); |
1773 | if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) { | |
1774 | /* | |
1775 | * We really can take anything the user throws at us | |
1776 | * but let's pick a nice big number to tell the tty | |
1777 | * layer that we have lots of free space | |
1778 | */ | |
1779 | room = 2048; | |
1780 | } else { | |
1781 | room = 0; | |
1782 | } | |
1783 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1784 | return room; | |
95da310e | 1785 | } |
1da177e4 | 1786 | |
95da310e AC |
1787 | static int ftdi_chars_in_buffer(struct tty_struct *tty) |
1788 | { | |
1789 | struct usb_serial_port *port = tty->driver_data; | |
22465400 IA |
1790 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1791 | int buffered; | |
1792 | unsigned long flags; | |
1793 | ||
441b62c1 | 1794 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1795 | |
22465400 IA |
1796 | spin_lock_irqsave(&priv->tx_lock, flags); |
1797 | buffered = (int)priv->tx_outstanding_bytes; | |
1798 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1799 | if (buffered < 0) { | |
194343d9 GKH |
1800 | dev_err(&port->dev, "%s outstanding tx bytes is negative!\n", |
1801 | __func__); | |
22465400 IA |
1802 | buffered = 0; |
1803 | } | |
1804 | return buffered; | |
95da310e | 1805 | } |
1da177e4 | 1806 | |
95da310e AC |
1807 | static void ftdi_read_bulk_callback(struct urb *urb) |
1808 | { | |
cdc97792 | 1809 | struct usb_serial_port *port = urb->context; |
1da177e4 LT |
1810 | struct tty_struct *tty; |
1811 | struct ftdi_private *priv; | |
22465400 IA |
1812 | unsigned long countread; |
1813 | unsigned long flags; | |
0fb0aa18 | 1814 | int status = urb->status; |
1da177e4 LT |
1815 | |
1816 | if (urb->number_of_packets > 0) { | |
194343d9 GKH |
1817 | dev_err(&port->dev, "%s transfer_buffer_length %d " |
1818 | "actual_length %d number of packets %d\n", __func__, | |
1819 | urb->transfer_buffer_length, | |
1820 | urb->actual_length, urb->number_of_packets); | |
1821 | dev_err(&port->dev, "%s transfer_flags %x\n", __func__, | |
1822 | urb->transfer_flags); | |
1da177e4 LT |
1823 | } |
1824 | ||
441b62c1 | 1825 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1826 | |
95da310e | 1827 | if (port->port.count <= 0) |
1da177e4 LT |
1828 | return; |
1829 | ||
4a90f09b | 1830 | tty = tty_port_tty_get(&port->port); |
1da177e4 | 1831 | if (!tty) { |
464cbb24 | 1832 | dbg("%s - bad tty pointer - exiting", __func__); |
1da177e4 LT |
1833 | return; |
1834 | } | |
1835 | ||
1836 | priv = usb_get_serial_port_data(port); | |
1837 | if (!priv) { | |
441b62c1 | 1838 | dbg("%s - bad port private data pointer - exiting", __func__); |
4a90f09b | 1839 | goto out; |
1da177e4 LT |
1840 | } |
1841 | ||
464cbb24 | 1842 | if (urb != port->read_urb) |
194343d9 | 1843 | dev_err(&port->dev, "%s - Not my urb!\n", __func__); |
1da177e4 | 1844 | |
0fb0aa18 | 1845 | if (status) { |
464cbb24 AC |
1846 | /* This will happen at close every time so it is a dbg not an |
1847 | err */ | |
1848 | dbg("(this is ok on close) nonzero read bulk status received: %d", status); | |
4a90f09b | 1849 | goto out; |
1da177e4 LT |
1850 | } |
1851 | ||
22465400 IA |
1852 | /* count data bytes, but not status bytes */ |
1853 | countread = urb->actual_length; | |
dfa5ec79 | 1854 | countread -= 2 * DIV_ROUND_UP(countread, PKTSZ); |
22465400 IA |
1855 | spin_lock_irqsave(&priv->rx_lock, flags); |
1856 | priv->rx_bytes += countread; | |
1857 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
1858 | ||
c4028958 | 1859 | ftdi_process_read(&priv->rx_work.work); |
4a90f09b AC |
1860 | out: |
1861 | tty_kref_put(tty); | |
1da177e4 LT |
1862 | } /* ftdi_read_bulk_callback */ |
1863 | ||
1864 | ||
464cbb24 | 1865 | static void ftdi_process_read(struct work_struct *work) |
1da177e4 | 1866 | { /* ftdi_process_read */ |
c4028958 DH |
1867 | struct ftdi_private *priv = |
1868 | container_of(work, struct ftdi_private, rx_work.work); | |
1869 | struct usb_serial_port *port = priv->port; | |
1da177e4 LT |
1870 | struct urb *urb; |
1871 | struct tty_struct *tty; | |
1da177e4 | 1872 | char error_flag; |
5c09d144 | 1873 | unsigned char *data; |
1da177e4 LT |
1874 | |
1875 | int i; | |
1876 | int result; | |
1877 | int need_flip; | |
1878 | int packet_offset; | |
76854cea | 1879 | unsigned long flags; |
1da177e4 | 1880 | |
441b62c1 | 1881 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1882 | |
95da310e | 1883 | if (port->port.count <= 0) |
1da177e4 LT |
1884 | return; |
1885 | ||
4a90f09b | 1886 | tty = tty_port_tty_get(&port->port); |
1da177e4 | 1887 | if (!tty) { |
464cbb24 | 1888 | dbg("%s - bad tty pointer - exiting", __func__); |
1da177e4 LT |
1889 | return; |
1890 | } | |
1891 | ||
1892 | priv = usb_get_serial_port_data(port); | |
1893 | if (!priv) { | |
441b62c1 | 1894 | dbg("%s - bad port private data pointer - exiting", __func__); |
4a90f09b | 1895 | goto out; |
1da177e4 LT |
1896 | } |
1897 | ||
1898 | urb = port->read_urb; | |
1899 | if (!urb) { | |
441b62c1 | 1900 | dbg("%s - bad read_urb pointer - exiting", __func__); |
4a90f09b | 1901 | goto out; |
1da177e4 LT |
1902 | } |
1903 | ||
1904 | data = urb->transfer_buffer; | |
1905 | ||
76854cea | 1906 | if (priv->rx_processed) { |
441b62c1 | 1907 | dbg("%s - already processed: %d bytes, %d remain", __func__, |
76854cea IA |
1908 | priv->rx_processed, |
1909 | urb->actual_length - priv->rx_processed); | |
1da177e4 | 1910 | } else { |
76854cea | 1911 | /* The first two bytes of every read packet are status */ |
464cbb24 AC |
1912 | if (urb->actual_length > 2) |
1913 | usb_serial_debug_data(debug, &port->dev, __func__, | |
1914 | urb->actual_length, data); | |
1915 | else | |
1916 | dbg("Status only: %03oo %03oo", data[0], data[1]); | |
76854cea | 1917 | } |
1da177e4 LT |
1918 | |
1919 | ||
1920 | /* TO DO -- check for hung up line and handle appropriately: */ | |
1921 | /* send hangup */ | |
1922 | /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */ | |
1923 | /* if CD is dropped and the line is not CLOCAL then we should hangup */ | |
1924 | ||
1925 | need_flip = 0; | |
464cbb24 AC |
1926 | for (packet_offset = priv->rx_processed; |
1927 | packet_offset < urb->actual_length; packet_offset += PKTSZ) { | |
76854cea IA |
1928 | int length; |
1929 | ||
464cbb24 AC |
1930 | /* Compare new line status to the old one, signal if different/ |
1931 | N.B. packet may be processed more than once, but differences | |
1932 | are only processed once. */ | |
1da177e4 | 1933 | if (priv != NULL) { |
464cbb24 AC |
1934 | char new_status = data[packet_offset + 0] & |
1935 | FTDI_STATUS_B0_MASK; | |
1da177e4 | 1936 | if (new_status != priv->prev_status) { |
464cbb24 AC |
1937 | priv->diff_status |= |
1938 | new_status ^ priv->prev_status; | |
1da177e4 LT |
1939 | wake_up_interruptible(&priv->delta_msr_wait); |
1940 | priv->prev_status = new_status; | |
1941 | } | |
1942 | } | |
1943 | ||
76854cea IA |
1944 | length = min(PKTSZ, urb->actual_length-packet_offset)-2; |
1945 | if (length < 0) { | |
194343d9 GKH |
1946 | dev_err(&port->dev, "%s - bad packet length: %d\n", |
1947 | __func__, length+2); | |
76854cea IA |
1948 | length = 0; |
1949 | } | |
1950 | ||
76854cea | 1951 | if (priv->rx_flags & THROTTLED) { |
441b62c1 | 1952 | dbg("%s - throttled", __func__); |
76854cea IA |
1953 | break; |
1954 | } | |
33f0f88f | 1955 | if (tty_buffer_request_room(tty, length) < length) { |
464cbb24 AC |
1956 | /* break out & wait for throttling/unthrottling to |
1957 | happen */ | |
441b62c1 | 1958 | dbg("%s - receive room low", __func__); |
76854cea IA |
1959 | break; |
1960 | } | |
1961 | ||
1da177e4 LT |
1962 | /* Handle errors and break */ |
1963 | error_flag = TTY_NORMAL; | |
464cbb24 AC |
1964 | /* Although the device uses a bitmask and hence can have |
1965 | multiple errors on a packet - the order here sets the | |
1966 | priority the error is returned to the tty layer */ | |
1da177e4 | 1967 | |
464cbb24 | 1968 | if (data[packet_offset+1] & FTDI_RS_OE) { |
1da177e4 LT |
1969 | error_flag = TTY_OVERRUN; |
1970 | dbg("OVERRRUN error"); | |
1971 | } | |
464cbb24 | 1972 | if (data[packet_offset+1] & FTDI_RS_BI) { |
1da177e4 LT |
1973 | error_flag = TTY_BREAK; |
1974 | dbg("BREAK received"); | |
1975 | } | |
464cbb24 | 1976 | if (data[packet_offset+1] & FTDI_RS_PE) { |
1da177e4 LT |
1977 | error_flag = TTY_PARITY; |
1978 | dbg("PARITY error"); | |
1979 | } | |
464cbb24 | 1980 | if (data[packet_offset+1] & FTDI_RS_FE) { |
1da177e4 LT |
1981 | error_flag = TTY_FRAME; |
1982 | dbg("FRAMING error"); | |
1983 | } | |
76854cea IA |
1984 | if (length > 0) { |
1985 | for (i = 2; i < length+2; i++) { | |
5c09d144 | 1986 | /* Note that the error flag is duplicated for |
1da177e4 LT |
1987 | every character received since we don't know |
1988 | which character it applied to */ | |
464cbb24 AC |
1989 | tty_insert_flip_char(tty, |
1990 | data[packet_offset + i], error_flag); | |
1da177e4 LT |
1991 | } |
1992 | need_flip = 1; | |
1993 | } | |
1994 | ||
1995 | #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW | |
1996 | /* if a parity error is detected you get status packets forever | |
1997 | until a character is sent without a parity error. | |
464cbb24 AC |
1998 | This doesn't work well since the application receives a |
1999 | never ending stream of bad data - even though new data | |
2000 | hasn't been sent. Therefore I (bill) have taken this out. | |
5c09d144 | 2001 | However - this might make sense for framing errors and so on |
1da177e4 LT |
2002 | so I am leaving the code in for now. |
2003 | */ | |
2004 | else { | |
464cbb24 | 2005 | if (error_flag != TTY_NORMAL) { |
1da177e4 | 2006 | dbg("error_flag is not normal"); |
464cbb24 AC |
2007 | /* In this case it is just status - if that is |
2008 | an error send a bad character */ | |
2009 | if (tty->flip.count >= TTY_FLIPBUF_SIZE) | |
1da177e4 | 2010 | tty_flip_buffer_push(tty); |
1da177e4 LT |
2011 | tty_insert_flip_char(tty, 0xff, error_flag); |
2012 | need_flip = 1; | |
2013 | } | |
2014 | } | |
2015 | #endif | |
2016 | } /* "for(packet_offset=0..." */ | |
2017 | ||
2018 | /* Low latency */ | |
464cbb24 | 2019 | if (need_flip) |
1da177e4 | 2020 | tty_flip_buffer_push(tty); |
1da177e4 | 2021 | |
76854cea IA |
2022 | if (packet_offset < urb->actual_length) { |
2023 | /* not completely processed - record progress */ | |
2024 | priv->rx_processed = packet_offset; | |
2025 | dbg("%s - incomplete, %d bytes processed, %d remain", | |
441b62c1 | 2026 | __func__, packet_offset, |
76854cea IA |
2027 | urb->actual_length - packet_offset); |
2028 | /* check if we were throttled while processing */ | |
2029 | spin_lock_irqsave(&priv->rx_lock, flags); | |
2030 | if (priv->rx_flags & THROTTLED) { | |
2031 | priv->rx_flags |= ACTUALLY_THROTTLED; | |
2032 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2033 | dbg("%s - deferring remainder until unthrottled", | |
441b62c1 | 2034 | __func__); |
a9fec710 | 2035 | goto out; |
76854cea IA |
2036 | } |
2037 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2038 | /* if the port is closed stop trying to read */ | |
464cbb24 | 2039 | if (port->port.count > 0) |
76854cea IA |
2040 | /* delay processing of remainder */ |
2041 | schedule_delayed_work(&priv->rx_work, 1); | |
464cbb24 | 2042 | else |
441b62c1 | 2043 | dbg("%s - port is closed", __func__); |
4a90f09b | 2044 | goto out; |
76854cea IA |
2045 | } |
2046 | ||
2047 | /* urb is completely processed */ | |
2048 | priv->rx_processed = 0; | |
2049 | ||
1da177e4 | 2050 | /* if the port is closed stop trying to read */ |
464cbb24 | 2051 | if (port->port.count > 0) { |
1da177e4 | 2052 | /* Continue trying to always read */ |
5c09d144 | 2053 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
464cbb24 AC |
2054 | usb_rcvbulkpipe(port->serial->dev, |
2055 | port->bulk_in_endpointAddress), | |
2056 | port->read_urb->transfer_buffer, | |
2057 | port->read_urb->transfer_buffer_length, | |
2058 | ftdi_read_bulk_callback, port); | |
1da177e4 LT |
2059 | |
2060 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
2061 | if (result) | |
194343d9 GKH |
2062 | dev_err(&port->dev, |
2063 | "%s - failed resubmitting read urb, error %d\n", | |
2064 | __func__, result); | |
1da177e4 | 2065 | } |
4a90f09b AC |
2066 | out: |
2067 | tty_kref_put(tty); | |
1da177e4 LT |
2068 | } /* ftdi_process_read */ |
2069 | ||
2070 | ||
95da310e | 2071 | static void ftdi_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 2072 | { |
95da310e | 2073 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2074 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
5c09d144 | 2075 | __u16 urb_value = 0; |
1da177e4 | 2076 | char buf[1]; |
5c09d144 | 2077 | |
1da177e4 LT |
2078 | /* break_state = -1 to turn on break, and 0 to turn off break */ |
2079 | /* see drivers/char/tty_io.c to see it used */ | |
2080 | /* last_set_data_urb_value NEVER has the break bit set in it */ | |
2081 | ||
464cbb24 | 2082 | if (break_state) |
1da177e4 | 2083 | urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK; |
464cbb24 | 2084 | else |
5c09d144 | 2085 | urb_value = priv->last_set_data_urb_value; |
5c09d144 | 2086 | |
464cbb24 AC |
2087 | if (usb_control_msg(port->serial->dev, |
2088 | usb_sndctrlpipe(port->serial->dev, 0), | |
2089 | FTDI_SIO_SET_DATA_REQUEST, | |
2090 | FTDI_SIO_SET_DATA_REQUEST_TYPE, | |
2091 | urb_value , priv->interface, | |
2092 | buf, 0, WDR_TIMEOUT) < 0) { | |
194343d9 GKH |
2093 | dev_err(&port->dev, "%s FAILED to enable/disable break state " |
2094 | "(state was %d)\n", __func__, break_state); | |
5c09d144 | 2095 | } |
1da177e4 | 2096 | |
464cbb24 AC |
2097 | dbg("%s break state is %d - urb is %d", __func__, |
2098 | break_state, urb_value); | |
5c09d144 | 2099 | |
1da177e4 LT |
2100 | } |
2101 | ||
2102 | ||
2103 | /* old_termios contains the original termios settings and tty->termios contains | |
2104 | * the new setting to be used | |
2105 | * WARNING: set_termios calls this with old_termios in kernel space | |
2106 | */ | |
2107 | ||
95da310e AC |
2108 | static void ftdi_set_termios(struct tty_struct *tty, |
2109 | struct usb_serial_port *port, struct ktermios *old_termios) | |
1da177e4 LT |
2110 | { /* ftdi_termios */ |
2111 | struct usb_device *dev = port->serial->dev; | |
1da177e4 | 2112 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
95da310e | 2113 | struct ktermios *termios = tty->termios; |
669a6db1 | 2114 | unsigned int cflag = termios->c_cflag; |
1da177e4 LT |
2115 | __u16 urb_value; /* will hold the new flags */ |
2116 | char buf[1]; /* Perhaps I should dynamically alloc this? */ | |
5c09d144 | 2117 | |
464cbb24 | 2118 | /* Added for xon/xoff support */ |
669a6db1 | 2119 | unsigned int iflag = termios->c_iflag; |
1da177e4 LT |
2120 | unsigned char vstop; |
2121 | unsigned char vstart; | |
5c09d144 | 2122 | |
441b62c1 | 2123 | dbg("%s", __func__); |
1da177e4 | 2124 | |
464cbb24 AC |
2125 | /* Force baud rate if this device requires it, unless it is set to |
2126 | B0. */ | |
669a6db1 | 2127 | if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) { |
441b62c1 | 2128 | dbg("%s: forcing baud rate for this device", __func__); |
95da310e | 2129 | tty_encode_baud_rate(tty, priv->force_baud, |
bd5e47cc | 2130 | priv->force_baud); |
1da177e4 LT |
2131 | } |
2132 | ||
2133 | /* Force RTS-CTS if this device requires it. */ | |
2134 | if (priv->force_rtscts) { | |
441b62c1 | 2135 | dbg("%s: forcing rtscts for this device", __func__); |
669a6db1 | 2136 | termios->c_cflag |= CRTSCTS; |
1da177e4 LT |
2137 | } |
2138 | ||
669a6db1 | 2139 | cflag = termios->c_cflag; |
1da177e4 | 2140 | |
5c09d144 DB |
2141 | /* FIXME -For this cut I don't care if the line is really changing or |
2142 | not - so just do the change regardless - should be able to | |
1da177e4 | 2143 | compare old_termios and tty->termios */ |
5c09d144 | 2144 | /* NOTE These routines can get interrupted by |
464cbb24 AC |
2145 | ftdi_sio_read_bulk_callback - need to examine what this means - |
2146 | don't see any problems yet */ | |
5c09d144 | 2147 | |
1da177e4 | 2148 | /* Set number of data bits, parity, stop bits */ |
5c09d144 | 2149 | |
669a6db1 AC |
2150 | termios->c_cflag &= ~CMSPAR; |
2151 | ||
1da177e4 LT |
2152 | urb_value = 0; |
2153 | urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : | |
2154 | FTDI_SIO_SET_DATA_STOP_BITS_1); | |
5c09d144 DB |
2155 | urb_value |= (cflag & PARENB ? |
2156 | (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD : | |
1da177e4 LT |
2157 | FTDI_SIO_SET_DATA_PARITY_EVEN) : |
2158 | FTDI_SIO_SET_DATA_PARITY_NONE); | |
2159 | if (cflag & CSIZE) { | |
2160 | switch (cflag & CSIZE) { | |
2161 | case CS5: urb_value |= 5; dbg("Setting CS5"); break; | |
2162 | case CS6: urb_value |= 6; dbg("Setting CS6"); break; | |
2163 | case CS7: urb_value |= 7; dbg("Setting CS7"); break; | |
2164 | case CS8: urb_value |= 8; dbg("Setting CS8"); break; | |
2165 | default: | |
194343d9 | 2166 | dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n"); |
1da177e4 LT |
2167 | } |
2168 | } | |
2169 | ||
464cbb24 AC |
2170 | /* This is needed by the break command since it uses the same command |
2171 | - but is or'ed with this value */ | |
1da177e4 | 2172 | priv->last_set_data_urb_value = urb_value; |
5c09d144 | 2173 | |
1da177e4 | 2174 | if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
5c09d144 | 2175 | FTDI_SIO_SET_DATA_REQUEST, |
1da177e4 LT |
2176 | FTDI_SIO_SET_DATA_REQUEST_TYPE, |
2177 | urb_value , priv->interface, | |
279e1545 | 2178 | buf, 0, WDR_SHORT_TIMEOUT) < 0) { |
194343d9 GKH |
2179 | dev_err(&port->dev, "%s FAILED to set " |
2180 | "databits/stopbits/parity\n", __func__); | |
5c09d144 | 2181 | } |
1da177e4 LT |
2182 | |
2183 | /* Now do the baudrate */ | |
464cbb24 | 2184 | if ((cflag & CBAUD) == B0) { |
1da177e4 LT |
2185 | /* Disable flow control */ |
2186 | if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
5c09d144 | 2187 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, |
1da177e4 | 2188 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, |
5c09d144 | 2189 | 0, priv->interface, |
1da177e4 | 2190 | buf, 0, WDR_TIMEOUT) < 0) { |
194343d9 GKH |
2191 | dev_err(&port->dev, |
2192 | "%s error from disable flowcontrol urb\n", | |
2193 | __func__); | |
5c09d144 | 2194 | } |
1da177e4 | 2195 | /* Drop RTS and DTR */ |
74ede0ff | 2196 | clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); |
1da177e4 LT |
2197 | } else { |
2198 | /* set the baudrate determined before */ | |
464cbb24 | 2199 | if (change_speed(tty, port)) |
194343d9 GKH |
2200 | dev_err(&port->dev, "%s urb failed to set baudrate\n", |
2201 | __func__); | |
72a755fc | 2202 | /* Ensure RTS and DTR are raised when baudrate changed from 0 */ |
464cbb24 | 2203 | if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) |
72a755fc | 2204 | set_mctrl(port, TIOCM_DTR | TIOCM_RTS); |
1da177e4 LT |
2205 | } |
2206 | ||
2207 | /* Set flow control */ | |
2208 | /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ | |
2209 | if (cflag & CRTSCTS) { | |
441b62c1 | 2210 | dbg("%s Setting to CRTSCTS flow control", __func__); |
5c09d144 | 2211 | if (usb_control_msg(dev, |
1da177e4 | 2212 | usb_sndctrlpipe(dev, 0), |
5c09d144 | 2213 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, |
1da177e4 LT |
2214 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, |
2215 | 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface), | |
2216 | buf, 0, WDR_TIMEOUT) < 0) { | |
194343d9 GKH |
2217 | dev_err(&port->dev, |
2218 | "urb failed to set to rts/cts flow control\n"); | |
5c09d144 DB |
2219 | } |
2220 | ||
2221 | } else { | |
1da177e4 LT |
2222 | /* |
2223 | * Xon/Xoff code | |
2224 | * | |
464cbb24 AC |
2225 | * Check the IXOFF status in the iflag component of the |
2226 | * termios structure. If IXOFF is not set, the pre-xon/xoff | |
2227 | * code is executed. | |
2228 | */ | |
1da177e4 | 2229 | if (iflag & IXOFF) { |
464cbb24 AC |
2230 | dbg("%s request to enable xonxoff iflag=%04x", |
2231 | __func__, iflag); | |
2232 | /* Try to enable the XON/XOFF on the ftdi_sio | |
2233 | * Set the vstart and vstop -- could have been done up | |
2234 | * above where a lot of other dereferencing is done but | |
2235 | * that would be very inefficient as vstart and vstop | |
2236 | * are not always needed. | |
2237 | */ | |
669a6db1 AC |
2238 | vstart = termios->c_cc[VSTART]; |
2239 | vstop = termios->c_cc[VSTOP]; | |
464cbb24 | 2240 | urb_value = (vstop << 8) | (vstart); |
1da177e4 LT |
2241 | |
2242 | if (usb_control_msg(dev, | |
2243 | usb_sndctrlpipe(dev, 0), | |
2244 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, | |
2245 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, | |
2246 | urb_value , (FTDI_SIO_XON_XOFF_HS | |
2247 | | priv->interface), | |
2248 | buf, 0, WDR_TIMEOUT) < 0) { | |
194343d9 GKH |
2249 | dev_err(&port->dev, "urb failed to set to " |
2250 | "xon/xoff flow control\n"); | |
1da177e4 LT |
2251 | } |
2252 | } else { | |
464cbb24 AC |
2253 | /* else clause to only run if cflag ! CRTSCTS and iflag |
2254 | * ! XOFF. CHECKME Assuming XON/XOFF handled by tty | |
2255 | * stack - not by device */ | |
441b62c1 | 2256 | dbg("%s Turning off hardware flow control", __func__); |
5c09d144 | 2257 | if (usb_control_msg(dev, |
1da177e4 | 2258 | usb_sndctrlpipe(dev, 0), |
5c09d144 | 2259 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, |
1da177e4 | 2260 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, |
5c09d144 | 2261 | 0, priv->interface, |
1da177e4 | 2262 | buf, 0, WDR_TIMEOUT) < 0) { |
194343d9 GKH |
2263 | dev_err(&port->dev, |
2264 | "urb failed to clear flow control\n"); | |
5c09d144 | 2265 | } |
1da177e4 | 2266 | } |
5c09d144 | 2267 | |
1da177e4 LT |
2268 | } |
2269 | return; | |
95da310e | 2270 | } |
1da177e4 | 2271 | |
95da310e | 2272 | static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 2273 | { |
95da310e | 2274 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2275 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2276 | unsigned char buf[2]; | |
2277 | int ret; | |
2278 | ||
441b62c1 | 2279 | dbg("%s TIOCMGET", __func__); |
1da177e4 LT |
2280 | switch (priv->chip_type) { |
2281 | case SIO: | |
2282 | /* Request the status from the device */ | |
464cbb24 AC |
2283 | ret = usb_control_msg(port->serial->dev, |
2284 | usb_rcvctrlpipe(port->serial->dev, 0), | |
2285 | FTDI_SIO_GET_MODEM_STATUS_REQUEST, | |
2286 | FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, | |
2287 | 0, 0, | |
2288 | buf, 1, WDR_TIMEOUT); | |
2289 | if (ret < 0) { | |
43b11d33 | 2290 | dbg("%s Could not get modem status of device - err: %d", __func__, |
1da177e4 | 2291 | ret); |
464cbb24 | 2292 | return ret; |
1da177e4 LT |
2293 | } |
2294 | break; | |
2295 | case FT8U232AM: | |
2296 | case FT232BM: | |
2297 | case FT2232C: | |
ed6e5282 | 2298 | case FT232RL: |
464cbb24 AC |
2299 | /* the 8U232AM returns a two byte value (the sio is a 1 byte |
2300 | value) - in the same format as the data returned from the in | |
2301 | point */ | |
2302 | ret = usb_control_msg(port->serial->dev, | |
2303 | usb_rcvctrlpipe(port->serial->dev, 0), | |
2304 | FTDI_SIO_GET_MODEM_STATUS_REQUEST, | |
2305 | FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, | |
2306 | 0, priv->interface, | |
2307 | buf, 2, WDR_TIMEOUT); | |
2308 | if (ret < 0) { | |
43b11d33 | 2309 | dbg("%s Could not get modem status of device - err: %d", __func__, |
1da177e4 | 2310 | ret); |
464cbb24 | 2311 | return ret; |
1da177e4 LT |
2312 | } |
2313 | break; | |
2314 | default: | |
2315 | return -EFAULT; | |
2316 | break; | |
2317 | } | |
5c09d144 | 2318 | |
1da177e4 LT |
2319 | return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) | |
2320 | (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) | | |
2321 | (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) | | |
2322 | (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) | | |
5c09d144 | 2323 | priv->last_dtr_rts; |
1da177e4 LT |
2324 | } |
2325 | ||
464cbb24 | 2326 | static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, |
95da310e | 2327 | unsigned int set, unsigned int clear) |
1da177e4 | 2328 | { |
95da310e | 2329 | struct usb_serial_port *port = tty->driver_data; |
441b62c1 | 2330 | dbg("%s TIOCMSET", __func__); |
74ede0ff | 2331 | return update_mctrl(port, set, clear); |
1da177e4 LT |
2332 | } |
2333 | ||
2334 | ||
464cbb24 AC |
2335 | static int ftdi_ioctl(struct tty_struct *tty, struct file *file, |
2336 | unsigned int cmd, unsigned long arg) | |
1da177e4 | 2337 | { |
95da310e | 2338 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2339 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2340 | ||
441b62c1 | 2341 | dbg("%s cmd 0x%04x", __func__, cmd); |
1da177e4 LT |
2342 | |
2343 | /* Based on code from acm.c and others */ | |
2344 | switch (cmd) { | |
2345 | ||
1da177e4 | 2346 | case TIOCGSERIAL: /* gets serial port data */ |
464cbb24 AC |
2347 | return get_serial_info(port, |
2348 | (struct serial_struct __user *) arg); | |
1da177e4 LT |
2349 | |
2350 | case TIOCSSERIAL: /* sets serial port data */ | |
464cbb24 AC |
2351 | return set_serial_info(tty, port, |
2352 | (struct serial_struct __user *) arg); | |
1da177e4 LT |
2353 | |
2354 | /* | |
2355 | * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change | |
2356 | * - mask passed in arg for lines of interest | |
2357 | * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) | |
2358 | * Caller should use TIOCGICOUNT to see which one it was. | |
2359 | * | |
2360 | * This code is borrowed from linux/drivers/char/serial.c | |
2361 | */ | |
2362 | case TIOCMIWAIT: | |
2363 | while (priv != NULL) { | |
2364 | interruptible_sleep_on(&priv->delta_msr_wait); | |
2365 | /* see if a signal did it */ | |
2366 | if (signal_pending(current)) | |
2367 | return -ERESTARTSYS; | |
2368 | else { | |
2369 | char diff = priv->diff_status; | |
2370 | ||
464cbb24 | 2371 | if (diff == 0) |
1da177e4 | 2372 | return -EIO; /* no change => error */ |
1da177e4 LT |
2373 | |
2374 | /* Consume all events */ | |
2375 | priv->diff_status = 0; | |
2376 | ||
464cbb24 AC |
2377 | /* Return 0 if caller wanted to know about |
2378 | these bits */ | |
2379 | if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) || | |
2380 | ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) || | |
2381 | ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) || | |
2382 | ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) { | |
1da177e4 LT |
2383 | return 0; |
2384 | } | |
2385 | /* | |
464cbb24 AC |
2386 | * Otherwise caller can't care less about what |
2387 | * happened,and so we continue to wait for more | |
2388 | * events. | |
1da177e4 LT |
2389 | */ |
2390 | } | |
2391 | } | |
95da310e | 2392 | return 0; |
1da177e4 LT |
2393 | default: |
2394 | break; | |
1da177e4 | 2395 | } |
464cbb24 AC |
2396 | /* This is not necessarily an error - turns out the higher layers |
2397 | * will do some ioctls themselves (see comment above) | |
1da177e4 | 2398 | */ |
441b62c1 | 2399 | dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd); |
95da310e AC |
2400 | return -ENOIOCTLCMD; |
2401 | } | |
1da177e4 | 2402 | |
95da310e | 2403 | static void ftdi_throttle(struct tty_struct *tty) |
1da177e4 | 2404 | { |
95da310e | 2405 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2406 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2407 | unsigned long flags; | |
2408 | ||
441b62c1 | 2409 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2410 | |
2411 | spin_lock_irqsave(&priv->rx_lock, flags); | |
2412 | priv->rx_flags |= THROTTLED; | |
2413 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2414 | } | |
2415 | ||
2416 | ||
95da310e | 2417 | static void ftdi_unthrottle(struct tty_struct *tty) |
1da177e4 | 2418 | { |
95da310e | 2419 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2420 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2421 | int actually_throttled; | |
2422 | unsigned long flags; | |
2423 | ||
441b62c1 | 2424 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2425 | |
2426 | spin_lock_irqsave(&priv->rx_lock, flags); | |
2427 | actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED; | |
2428 | priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); | |
2429 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2430 | ||
2431 | if (actually_throttled) | |
c4028958 | 2432 | schedule_delayed_work(&priv->rx_work, 0); |
1da177e4 LT |
2433 | } |
2434 | ||
464cbb24 | 2435 | static int __init ftdi_init(void) |
1da177e4 LT |
2436 | { |
2437 | int retval; | |
2438 | ||
441b62c1 | 2439 | dbg("%s", __func__); |
fdcb0a0f IA |
2440 | if (vendor > 0 && product > 0) { |
2441 | /* Add user specified VID/PID to reserved element of table. */ | |
2442 | int i; | |
2443 | for (i = 0; id_table_combined[i].idVendor; i++) | |
2444 | ; | |
2445 | id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; | |
2446 | id_table_combined[i].idVendor = vendor; | |
2447 | id_table_combined[i].idProduct = product; | |
2448 | } | |
8f977e42 | 2449 | retval = usb_serial_register(&ftdi_sio_device); |
1da177e4 | 2450 | if (retval) |
8f977e42 | 2451 | goto failed_sio_register; |
1da177e4 | 2452 | retval = usb_register(&ftdi_driver); |
5c09d144 | 2453 | if (retval) |
1da177e4 LT |
2454 | goto failed_usb_register; |
2455 | ||
c197a8db GKH |
2456 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
2457 | DRIVER_DESC "\n"); | |
1da177e4 LT |
2458 | return 0; |
2459 | failed_usb_register: | |
8f977e42 IA |
2460 | usb_serial_deregister(&ftdi_sio_device); |
2461 | failed_sio_register: | |
1da177e4 LT |
2462 | return retval; |
2463 | } | |
2464 | ||
2465 | ||
464cbb24 | 2466 | static void __exit ftdi_exit(void) |
1da177e4 LT |
2467 | { |
2468 | ||
441b62c1 | 2469 | dbg("%s", __func__); |
1da177e4 | 2470 | |
464cbb24 AC |
2471 | usb_deregister(&ftdi_driver); |
2472 | usb_serial_deregister(&ftdi_sio_device); | |
1da177e4 LT |
2473 | |
2474 | } | |
2475 | ||
2476 | ||
2477 | module_init(ftdi_init); | |
2478 | module_exit(ftdi_exit); | |
2479 | ||
464cbb24 AC |
2480 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2481 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2482 | MODULE_LICENSE("GPL"); |
2483 | ||
2484 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
2485 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
fdcb0a0f IA |
2486 | module_param(vendor, ushort, 0); |
2487 | MODULE_PARM_DESC(vendor, "User specified vendor ID (default=" | |
2488 | __MODULE_STRING(FTDI_VID)")"); | |
2489 | module_param(product, ushort, 0); | |
68265043 | 2490 | MODULE_PARM_DESC(product, "User specified product ID"); |
1da177e4 | 2491 |