Commit | Line | Data |
---|---|---|
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) }, | |
6e1ab3ed PM |
146 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, |
147 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, | |
148 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, | |
149 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) }, | |
150 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) }, | |
151 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) }, | |
152 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) }, | |
153 | { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) }, | |
72a9f958 | 154 | { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) }, |
1da177e4 | 155 | { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) }, |
69737dfa | 156 | { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) }, |
d099321b | 157 | { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) }, |
fad14a0d | 158 | { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) }, |
1da177e4 LT |
159 | { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) }, |
160 | { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) }, | |
161 | { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) }, | |
d8b21606 | 162 | { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) }, |
1da177e4 | 163 | { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, |
c0f8d561 | 164 | { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, |
1da177e4 | 165 | { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, |
2adb80e9 | 166 | { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, |
1da177e4 LT |
167 | { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, |
168 | { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, | |
169 | { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, | |
170 | { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, | |
171 | { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) }, | |
172 | { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) }, | |
173 | { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) }, | |
174 | { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) }, | |
175 | { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) }, | |
176 | { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) }, | |
177 | { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) }, | |
178 | { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) }, | |
179 | { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) }, | |
8f977e42 IA |
180 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) }, |
181 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) }, | |
182 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) }, | |
183 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) }, | |
184 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) }, | |
185 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) }, | |
186 | { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) }, | |
464cbb24 AC |
187 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) }, |
188 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) }, | |
189 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) }, | |
190 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) }, | |
191 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) }, | |
192 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) }, | |
193 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) }, | |
194 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) }, | |
195 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) }, | |
196 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) }, | |
197 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) }, | |
198 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) }, | |
199 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) }, | |
200 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) }, | |
201 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) }, | |
202 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) }, | |
203 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) }, | |
204 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) }, | |
205 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) }, | |
206 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) }, | |
207 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) }, | |
208 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) }, | |
209 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) }, | |
210 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) }, | |
211 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) }, | |
212 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) }, | |
213 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) }, | |
214 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) }, | |
215 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) }, | |
216 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) }, | |
217 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) }, | |
218 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) }, | |
219 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) }, | |
220 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) }, | |
221 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) }, | |
222 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) }, | |
223 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) }, | |
224 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) }, | |
225 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) }, | |
226 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID), | |
546d7eec | 227 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 AC |
228 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) }, |
229 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) }, | |
230 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) }, | |
231 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) }, | |
232 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID), | |
ebb3770c | 233 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 AC |
234 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) }, |
235 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) }, | |
236 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) }, | |
237 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) }, | |
238 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) }, | |
239 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) }, | |
240 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) }, | |
241 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) }, | |
242 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) }, | |
243 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) }, | |
244 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) }, | |
245 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) }, | |
246 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) }, | |
247 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) }, | |
248 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) }, | |
249 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) }, | |
250 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) }, | |
251 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) }, | |
252 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) }, | |
253 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) }, | |
254 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) }, | |
255 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) }, | |
256 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) }, | |
257 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) }, | |
258 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) }, | |
259 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) }, | |
260 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) }, | |
261 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) }, | |
262 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) }, | |
263 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) }, | |
264 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) }, | |
265 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) }, | |
266 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) }, | |
267 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) }, | |
268 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) }, | |
269 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) }, | |
270 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) }, | |
271 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) }, | |
272 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID), | |
ebb3770c | 273 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 274 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID), |
ebb3770c | 275 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 276 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID), |
ebb3770c | 277 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 278 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID), |
ebb3770c | 279 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 280 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID), |
ebb3770c | 281 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 | 282 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID), |
ebb3770c | 283 | .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, |
464cbb24 AC |
284 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) }, |
285 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) }, | |
286 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) }, | |
287 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) }, | |
288 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) }, | |
289 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) }, | |
290 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) }, | |
291 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) }, | |
292 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) }, | |
293 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) }, | |
294 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) }, | |
295 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) }, | |
296 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) }, | |
297 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) }, | |
298 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) }, | |
299 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) }, | |
300 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) }, | |
301 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) }, | |
302 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) }, | |
303 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) }, | |
304 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) }, | |
305 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) }, | |
306 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) }, | |
307 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) }, | |
308 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) }, | |
309 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) }, | |
310 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) }, | |
311 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) }, | |
312 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) }, | |
313 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) }, | |
314 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) }, | |
315 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) }, | |
316 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) }, | |
317 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) }, | |
318 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) }, | |
319 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) }, | |
320 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) }, | |
321 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) }, | |
322 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) }, | |
323 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) }, | |
324 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) }, | |
325 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) }, | |
326 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) }, | |
327 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) }, | |
328 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) }, | |
329 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) }, | |
330 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) }, | |
331 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) }, | |
332 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) }, | |
333 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) }, | |
334 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) }, | |
335 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) }, | |
336 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) }, | |
337 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) }, | |
338 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) }, | |
339 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) }, | |
340 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) }, | |
341 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) }, | |
342 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) }, | |
343 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) }, | |
344 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) }, | |
345 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) }, | |
346 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) }, | |
347 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) }, | |
348 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) }, | |
349 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) }, | |
350 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) }, | |
351 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) }, | |
352 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) }, | |
353 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) }, | |
354 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) }, | |
355 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) }, | |
356 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) }, | |
357 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) }, | |
358 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) }, | |
359 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) }, | |
360 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) }, | |
361 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) }, | |
362 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) }, | |
363 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) }, | |
364 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) }, | |
365 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) }, | |
366 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) }, | |
367 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) }, | |
368 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) }, | |
369 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) }, | |
370 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) }, | |
371 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) }, | |
372 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) }, | |
373 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) }, | |
374 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) }, | |
375 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) }, | |
376 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) }, | |
377 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) }, | |
378 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) }, | |
379 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) }, | |
380 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) }, | |
381 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) }, | |
382 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) }, | |
383 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) }, | |
384 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) }, | |
385 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) }, | |
386 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) }, | |
387 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) }, | |
388 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) }, | |
389 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) }, | |
390 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) }, | |
391 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) }, | |
392 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) }, | |
393 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) }, | |
394 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) }, | |
395 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) }, | |
396 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) }, | |
397 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) }, | |
398 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) }, | |
399 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) }, | |
400 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) }, | |
401 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) }, | |
402 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) }, | |
403 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) }, | |
404 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) }, | |
405 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) }, | |
406 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) }, | |
407 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) }, | |
408 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) }, | |
409 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) }, | |
410 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) }, | |
411 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) }, | |
412 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) }, | |
413 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) }, | |
414 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) }, | |
415 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) }, | |
416 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) }, | |
417 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) }, | |
418 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) }, | |
419 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) }, | |
420 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) }, | |
421 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) }, | |
422 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) }, | |
423 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) }, | |
424 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) }, | |
425 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) }, | |
426 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) }, | |
427 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) }, | |
428 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) }, | |
429 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) }, | |
430 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) }, | |
431 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) }, | |
432 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) }, | |
433 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) }, | |
434 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) }, | |
435 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) }, | |
436 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) }, | |
437 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) }, | |
438 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) }, | |
439 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) }, | |
440 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) }, | |
441 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) }, | |
442 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) }, | |
443 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) }, | |
444 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) }, | |
445 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) }, | |
446 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) }, | |
447 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) }, | |
448 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) }, | |
449 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) }, | |
450 | { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) }, | |
8f977e42 | 451 | { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) }, |
1da177e4 | 452 | { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) }, |
274a4bbc | 453 | { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) }, |
868e440d | 454 | { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) }, |
1da177e4 LT |
455 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) }, |
456 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) }, | |
457 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) }, | |
458 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) }, | |
a1484827 | 459 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) }, |
1da177e4 LT |
460 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) }, |
461 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) }, | |
462 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) }, | |
463 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) }, | |
464 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) }, | |
465 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) }, | |
466 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) }, | |
467 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) }, | |
468 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) }, | |
469 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) }, | |
470 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) }, | |
471 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) }, | |
472 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) }, | |
473 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) }, | |
474 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) }, | |
475 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) }, | |
476 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) }, | |
477 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) }, | |
478 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) }, | |
479 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) }, | |
480 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) }, | |
481 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) }, | |
482 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) }, | |
483 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) }, | |
484 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) }, | |
485 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) }, | |
486 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) }, | |
487 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) }, | |
488 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) }, | |
489 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) }, | |
490 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) }, | |
491 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) }, | |
492 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) }, | |
493 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) }, | |
494 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) }, | |
495 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) }, | |
496 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) }, | |
497 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) }, | |
498 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) }, | |
499 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) }, | |
500 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) }, | |
501 | { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) }, | |
502 | { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) }, | |
503 | { USB_DEVICE(OCT_VID, OCT_US101_PID) }, | |
8f977e42 IA |
504 | { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID), |
505 | .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk }, | |
506 | { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID), | |
507 | .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk }, | |
1da177e4 LT |
508 | { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) }, |
509 | { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) }, | |
510 | { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) }, | |
511 | { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) }, | |
8f977e42 IA |
512 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) }, |
513 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) }, | |
514 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) }, | |
515 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) }, | |
516 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) }, | |
517 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) }, | |
518 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) }, | |
519 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) }, | |
520 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) }, | |
521 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) }, | |
522 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) }, | |
523 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) }, | |
524 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) }, | |
525 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) }, | |
526 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) }, | |
527 | { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) }, | |
1da177e4 | 528 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) }, |
47900743 | 529 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) }, |
e6ac4a40 IA |
530 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) }, |
531 | { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) }, | |
207c47e1 | 532 | { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) }, |
bde62185 | 533 | { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) }, |
4eaf60e0 TS |
534 | { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) }, |
535 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) }, | |
536 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) }, | |
537 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) }, | |
538 | { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) }, | |
539 | { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) }, | |
540 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) }, | |
541 | { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) }, | |
e6ac4a40 | 542 | /* |
42f8aa94 PS |
543 | * Due to many user requests for multiple ELV devices we enable |
544 | * them by default. | |
e6ac4a40 | 545 | */ |
42f8aa94 PS |
546 | { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) }, |
547 | { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) }, | |
548 | { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) }, | |
549 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) }, | |
550 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) }, | |
551 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) }, | |
552 | { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) }, | |
553 | { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) }, | |
554 | { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) }, | |
555 | { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) }, | |
556 | { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) }, | |
557 | { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) }, | |
558 | { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) }, | |
559 | { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) }, | |
560 | { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) }, | |
561 | { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) }, | |
562 | { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) }, | |
563 | { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) }, | |
4ae897df | 564 | { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) }, |
42f8aa94 | 565 | { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) }, |
5c09d144 DB |
566 | { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) }, |
567 | { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) }, | |
568 | { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) }, | |
569 | { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) }, | |
570 | { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) }, | |
571 | { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) }, | |
572 | { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) }, | |
ec434e9b | 573 | { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) }, |
1da177e4 LT |
574 | { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) }, |
575 | { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) }, | |
576 | { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) }, | |
577 | { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) }, | |
e6ac4a40 | 578 | { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) }, |
1da177e4 | 579 | { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) }, |
ef31fec0 | 580 | { USB_DEVICE(TTI_VID, TTI_QL355P_PID) }, |
6f92872c | 581 | { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) }, |
1da177e4 LT |
582 | { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) }, |
583 | { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) }, | |
584 | { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) }, | |
585 | { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) }, | |
6f92872c IA |
586 | { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) }, |
587 | { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) }, | |
e6ac4a40 IA |
588 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) }, |
589 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) }, | |
590 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) }, | |
591 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) }, | |
592 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) }, | |
593 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, | |
594 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, | |
595 | { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, | |
6f92872c | 596 | { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, |
8f977e42 | 597 | { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) }, |
34d1a8aa IA |
598 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) }, |
599 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) }, | |
9b1513d9 IA |
600 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) }, |
601 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) }, | |
34d1a8aa IA |
602 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) }, |
603 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) }, | |
604 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) }, | |
605 | { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) }, | |
740a4282 IA |
606 | { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) }, |
607 | { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) }, | |
9b1513d9 | 608 | { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) }, |
c1f8ea7d SH |
609 | { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) }, |
610 | { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) }, | |
c9c7746d RS |
611 | { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) }, |
612 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) }, | |
09c280a2 | 613 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) }, |
c9c7746d | 614 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) }, |
09c280a2 | 615 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) }, |
34910434 | 616 | { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) }, |
b4723ae3 IA |
617 | { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) }, |
618 | { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) }, | |
effac8be | 619 | { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) }, |
641adaae | 620 | { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) }, |
7e1c0b86 | 621 | { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) }, |
a94b52ac IA |
622 | { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) }, |
623 | { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) }, | |
ce40d290 | 624 | { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) }, |
cdd3b156 | 625 | { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) }, |
7e0258fd | 626 | { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) }, |
bf58fbd5 | 627 | { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) }, |
62a13db3 | 628 | { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) }, |
20a0f47e | 629 | { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, |
eb79b4fd | 630 | { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, |
48437486 | 631 | { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) }, |
e1979fef | 632 | { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) }, |
eaede2cb | 633 | { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) }, |
9978f9e1 IA |
634 | { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) }, |
635 | { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, | |
636 | { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, | |
40c36092 | 637 | { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, |
822c7ef4 | 638 | { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, |
762e92fa | 639 | { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, |
d7fde2d6 | 640 | { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, |
4bb0ef19 | 641 | { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, |
11171d1b | 642 | { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, |
fa91d43b | 643 | { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), |
20734345 HW |
644 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, |
645 | { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), | |
646 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, | |
647 | { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID), | |
648 | .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, | |
26ab7053 | 649 | { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) }, |
2542335c | 650 | { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) }, |
fdcb0a0f IA |
651 | { }, /* Optional parameter entry */ |
652 | { } /* Terminating entry */ | |
1da177e4 LT |
653 | }; |
654 | ||
464cbb24 | 655 | MODULE_DEVICE_TABLE(usb, id_table_combined); |
1da177e4 LT |
656 | |
657 | static struct usb_driver ftdi_driver = { | |
658 | .name = "ftdi_sio", | |
659 | .probe = usb_serial_probe, | |
660 | .disconnect = usb_serial_disconnect, | |
661 | .id_table = id_table_combined, | |
5c09d144 | 662 | .no_dynamic_id = 1, |
1da177e4 LT |
663 | }; |
664 | ||
4c4c9432 | 665 | static const char *ftdi_chip_name[] = { |
1da177e4 LT |
666 | [SIO] = "SIO", /* the serial part of FT8U100AX */ |
667 | [FT8U232AM] = "FT8U232AM", | |
668 | [FT232BM] = "FT232BM", | |
669 | [FT2232C] = "FT2232C", | |
d8b21606 | 670 | [FT232RL] = "FT232RL", |
1da177e4 LT |
671 | }; |
672 | ||
673 | ||
674 | /* Constants for read urb and write urb */ | |
675 | #define BUFSZ 512 | |
676 | #define PKTSZ 64 | |
677 | ||
678 | /* rx_flags */ | |
679 | #define THROTTLED 0x01 | |
680 | #define ACTUALLY_THROTTLED 0x02 | |
681 | ||
1da177e4 LT |
682 | /* Used for TIOCMIWAIT */ |
683 | #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD) | |
684 | #define FTDI_STATUS_B1_MASK (FTDI_RS_BI) | |
685 | /* End TIOCMIWAIT */ | |
686 | ||
bbc5d276 RK |
687 | #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \ |
688 | | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP) | |
1da177e4 LT |
689 | |
690 | /* function prototypes for a FTDI serial converter */ | |
464cbb24 AC |
691 | static int ftdi_sio_probe(struct usb_serial *serial, |
692 | const struct usb_device_id *id); | |
693 | static void ftdi_shutdown(struct usb_serial *serial); | |
694 | static int ftdi_sio_port_probe(struct usb_serial_port *port); | |
695 | static int ftdi_sio_port_remove(struct usb_serial_port *port); | |
696 | static int ftdi_open(struct tty_struct *tty, | |
697 | struct usb_serial_port *port, struct file *filp); | |
698 | static void ftdi_close(struct tty_struct *tty, | |
699 | struct usb_serial_port *port, struct file *filp); | |
700 | static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port, | |
701 | const unsigned char *buf, int count); | |
702 | static int ftdi_write_room(struct tty_struct *tty); | |
703 | static int ftdi_chars_in_buffer(struct tty_struct *tty); | |
704 | static void ftdi_write_bulk_callback(struct urb *urb); | |
705 | static void ftdi_read_bulk_callback(struct urb *urb); | |
706 | static void ftdi_process_read(struct work_struct *work); | |
707 | static void ftdi_set_termios(struct tty_struct *tty, | |
708 | struct usb_serial_port *port, struct ktermios *old); | |
709 | static int ftdi_tiocmget(struct tty_struct *tty, struct file *file); | |
710 | static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, | |
711 | unsigned int set, unsigned int clear); | |
712 | static int ftdi_ioctl(struct tty_struct *tty, struct file *file, | |
713 | unsigned int cmd, unsigned long arg); | |
714 | static void ftdi_break_ctl(struct tty_struct *tty, int break_state); | |
715 | static void ftdi_throttle(struct tty_struct *tty); | |
716 | static void ftdi_unthrottle(struct tty_struct *tty); | |
717 | ||
718 | static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base); | |
719 | static unsigned short int ftdi_232am_baud_to_divisor(int baud); | |
720 | static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base); | |
721 | static __u32 ftdi_232bm_baud_to_divisor(int baud); | |
1da177e4 | 722 | |
ea65370d | 723 | static struct usb_serial_driver ftdi_sio_device = { |
18fcac35 GKH |
724 | .driver = { |
725 | .owner = THIS_MODULE, | |
269bda1c | 726 | .name = "ftdi_sio", |
18fcac35 | 727 | }, |
269bda1c | 728 | .description = "FTDI USB Serial Device", |
d9b1b787 | 729 | .usb_driver = &ftdi_driver , |
8f977e42 | 730 | .id_table = id_table_combined, |
1da177e4 | 731 | .num_ports = 1, |
8f977e42 | 732 | .probe = ftdi_sio_probe, |
12bdbe03 JR |
733 | .port_probe = ftdi_sio_port_probe, |
734 | .port_remove = ftdi_sio_port_remove, | |
1da177e4 LT |
735 | .open = ftdi_open, |
736 | .close = ftdi_close, | |
737 | .throttle = ftdi_throttle, | |
738 | .unthrottle = ftdi_unthrottle, | |
739 | .write = ftdi_write, | |
740 | .write_room = ftdi_write_room, | |
741 | .chars_in_buffer = ftdi_chars_in_buffer, | |
742 | .read_bulk_callback = ftdi_read_bulk_callback, | |
743 | .write_bulk_callback = ftdi_write_bulk_callback, | |
744 | .tiocmget = ftdi_tiocmget, | |
745 | .tiocmset = ftdi_tiocmset, | |
746 | .ioctl = ftdi_ioctl, | |
747 | .set_termios = ftdi_set_termios, | |
748 | .break_ctl = ftdi_break_ctl, | |
1da177e4 LT |
749 | .shutdown = ftdi_shutdown, |
750 | }; | |
751 | ||
1da177e4 LT |
752 | |
753 | #define WDR_TIMEOUT 5000 /* default urb timeout */ | |
279e1545 | 754 | #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */ |
1da177e4 LT |
755 | |
756 | /* High and low are for DTR, RTS etc etc */ | |
757 | #define HIGH 1 | |
758 | #define LOW 0 | |
759 | ||
22465400 IA |
760 | /* number of outstanding urbs to prevent userspace DoS from happening */ |
761 | #define URB_UPPER_LIMIT 42 | |
762 | ||
1da177e4 LT |
763 | /* |
764 | * *************************************************************************** | |
fa91d43b | 765 | * Utility functions |
1da177e4 LT |
766 | * *************************************************************************** |
767 | */ | |
768 | ||
769 | static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base) | |
770 | { | |
771 | unsigned short int divisor; | |
464cbb24 AC |
772 | /* divisor shifted 3 bits to the left */ |
773 | int divisor3 = base / 2 / baud; | |
774 | if ((divisor3 & 0x7) == 7) | |
775 | divisor3++; /* round x.7/8 up to x+1 */ | |
1da177e4 LT |
776 | divisor = divisor3 >> 3; |
777 | divisor3 &= 0x7; | |
464cbb24 AC |
778 | if (divisor3 == 1) |
779 | divisor |= 0xc000; | |
780 | else if (divisor3 >= 4) | |
781 | divisor |= 0x4000; | |
782 | else if (divisor3 != 0) | |
783 | divisor |= 0x8000; | |
784 | else if (divisor == 1) | |
785 | divisor = 0; /* special case for maximum baud rate */ | |
1da177e4 LT |
786 | return divisor; |
787 | } | |
788 | ||
789 | static unsigned short int ftdi_232am_baud_to_divisor(int baud) | |
790 | { | |
464cbb24 | 791 | return ftdi_232am_baud_base_to_divisor(baud, 48000000); |
1da177e4 LT |
792 | } |
793 | ||
794 | static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base) | |
795 | { | |
796 | static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; | |
797 | __u32 divisor; | |
464cbb24 AC |
798 | /* divisor shifted 3 bits to the left */ |
799 | int divisor3 = base / 2 / baud; | |
1da177e4 LT |
800 | divisor = divisor3 >> 3; |
801 | divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; | |
802 | /* Deal with special cases for highest baud rates. */ | |
464cbb24 AC |
803 | if (divisor == 1) |
804 | divisor = 0; | |
805 | else if (divisor == 0x4001) | |
806 | divisor = 1; | |
1da177e4 LT |
807 | return divisor; |
808 | } | |
809 | ||
810 | static __u32 ftdi_232bm_baud_to_divisor(int baud) | |
811 | { | |
464cbb24 | 812 | return ftdi_232bm_baud_base_to_divisor(baud, 48000000); |
1da177e4 LT |
813 | } |
814 | ||
74ede0ff IA |
815 | #define set_mctrl(port, set) update_mctrl((port), (set), 0) |
816 | #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear)) | |
817 | ||
464cbb24 AC |
818 | static int update_mctrl(struct usb_serial_port *port, unsigned int set, |
819 | unsigned int clear) | |
1da177e4 LT |
820 | { |
821 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
822 | char *buf; | |
74ede0ff | 823 | unsigned urb_value; |
1da177e4 | 824 | int rv; |
1da177e4 | 825 | |
74ede0ff | 826 | if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) { |
441b62c1 | 827 | dbg("%s - DTR|RTS not being set|cleared", __func__); |
74ede0ff IA |
828 | return 0; /* no change */ |
829 | } | |
1da177e4 | 830 | |
1da177e4 | 831 | buf = kmalloc(1, GFP_NOIO); |
9b0f2582 | 832 | if (!buf) |
1da177e4 | 833 | return -ENOMEM; |
74ede0ff IA |
834 | |
835 | clear &= ~set; /* 'set' takes precedence over 'clear' */ | |
836 | urb_value = 0; | |
837 | if (clear & TIOCM_DTR) | |
838 | urb_value |= FTDI_SIO_SET_DTR_LOW; | |
839 | if (clear & TIOCM_RTS) | |
840 | urb_value |= FTDI_SIO_SET_RTS_LOW; | |
841 | if (set & TIOCM_DTR) | |
842 | urb_value |= FTDI_SIO_SET_DTR_HIGH; | |
843 | if (set & TIOCM_RTS) | |
844 | urb_value |= FTDI_SIO_SET_RTS_HIGH; | |
1da177e4 LT |
845 | rv = usb_control_msg(port->serial->dev, |
846 | usb_sndctrlpipe(port->serial->dev, 0), | |
5c09d144 | 847 | FTDI_SIO_SET_MODEM_CTRL_REQUEST, |
1da177e4 | 848 | FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, |
74ede0ff | 849 | urb_value, priv->interface, |
1da177e4 LT |
850 | buf, 0, WDR_TIMEOUT); |
851 | ||
852 | kfree(buf); | |
74ede0ff IA |
853 | if (rv < 0) { |
854 | err("%s Error from MODEM_CTRL urb: DTR %s, RTS %s", | |
441b62c1 | 855 | __func__, |
74ede0ff IA |
856 | (set & TIOCM_DTR) ? "HIGH" : |
857 | (clear & TIOCM_DTR) ? "LOW" : "unchanged", | |
858 | (set & TIOCM_RTS) ? "HIGH" : | |
859 | (clear & TIOCM_RTS) ? "LOW" : "unchanged"); | |
860 | } else { | |
441b62c1 | 861 | dbg("%s - DTR %s, RTS %s", __func__, |
74ede0ff IA |
862 | (set & TIOCM_DTR) ? "HIGH" : |
863 | (clear & TIOCM_DTR) ? "LOW" : "unchanged", | |
864 | (set & TIOCM_RTS) ? "HIGH" : | |
865 | (clear & TIOCM_RTS) ? "LOW" : "unchanged"); | |
9b0f2582 | 866 | /* FIXME: locking on last_dtr_rts */ |
74ede0ff IA |
867 | priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set; |
868 | } | |
1da177e4 LT |
869 | return rv; |
870 | } | |
871 | ||
872 | ||
464cbb24 AC |
873 | static __u32 get_ftdi_divisor(struct tty_struct *tty, |
874 | struct usb_serial_port *port) | |
1da177e4 LT |
875 | { /* get_ftdi_divisor */ |
876 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
877 | __u32 div_value = 0; | |
878 | int div_okay = 1; | |
879 | int baud; | |
880 | ||
881 | /* | |
464cbb24 AC |
882 | * The logic involved in setting the baudrate can be cleanly split into |
883 | * 3 steps. | |
1da177e4 | 884 | * 1. Standard baud rates are set in tty->termios->c_cflag |
464cbb24 AC |
885 | * 2. If these are not enough, you can set any speed using alt_speed as |
886 | * follows: | |
1da177e4 LT |
887 | * - set tty->termios->c_cflag speed to B38400 |
888 | * - set your real speed in tty->alt_speed; it gets ignored when | |
889 | * alt_speed==0, (or) | |
464cbb24 AC |
890 | * - call TIOCSSERIAL ioctl with (struct serial_struct) set as |
891 | * follows: | |
892 | * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP], | |
893 | * this just sets alt_speed to (HI: 57600, VHI: 115200, | |
894 | * SHI: 230400, WARP: 460800) | |
1da177e4 LT |
895 | * ** Steps 1, 2 are done courtesy of tty_get_baud_rate |
896 | * 3. You can also set baud rate by setting custom divisor as follows | |
897 | * - set tty->termios->c_cflag speed to B38400 | |
464cbb24 AC |
898 | * - call TIOCSSERIAL ioctl with (struct serial_struct) set as |
899 | * follows: | |
1da177e4 LT |
900 | * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST |
901 | * o custom_divisor set to baud_base / your_new_baudrate | |
464cbb24 AC |
902 | * ** Step 3 is done courtesy of code borrowed from serial.c |
903 | * I should really spend some time and separate + move this common | |
904 | * code to serial.c, it is replicated in nearly every serial driver | |
905 | * you see. | |
1da177e4 LT |
906 | */ |
907 | ||
464cbb24 AC |
908 | /* 1. Get the baud rate from the tty settings, this observes |
909 | alt_speed hack */ | |
1da177e4 | 910 | |
95da310e | 911 | baud = tty_get_baud_rate(tty); |
441b62c1 | 912 | dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud); |
1da177e4 | 913 | |
464cbb24 AC |
914 | /* 2. Observe async-compatible custom_divisor hack, update baudrate |
915 | if needed */ | |
1da177e4 LT |
916 | |
917 | if (baud == 38400 && | |
918 | ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && | |
919 | (priv->custom_divisor)) { | |
920 | baud = priv->baud_base / priv->custom_divisor; | |
464cbb24 AC |
921 | dbg("%s - custom divisor %d sets baud rate to %d", |
922 | __func__, priv->custom_divisor, baud); | |
1da177e4 LT |
923 | } |
924 | ||
925 | /* 3. Convert baudrate to device-specific divisor */ | |
926 | ||
464cbb24 AC |
927 | if (!baud) |
928 | baud = 9600; | |
929 | switch (priv->chip_type) { | |
1da177e4 | 930 | case SIO: /* SIO chip */ |
464cbb24 | 931 | switch (baud) { |
1da177e4 LT |
932 | case 300: div_value = ftdi_sio_b300; break; |
933 | case 600: div_value = ftdi_sio_b600; break; | |
934 | case 1200: div_value = ftdi_sio_b1200; break; | |
935 | case 2400: div_value = ftdi_sio_b2400; break; | |
936 | case 4800: div_value = ftdi_sio_b4800; break; | |
937 | case 9600: div_value = ftdi_sio_b9600; break; | |
938 | case 19200: div_value = ftdi_sio_b19200; break; | |
939 | case 38400: div_value = ftdi_sio_b38400; break; | |
940 | case 57600: div_value = ftdi_sio_b57600; break; | |
941 | case 115200: div_value = ftdi_sio_b115200; break; | |
942 | } /* baud */ | |
943 | if (div_value == 0) { | |
464cbb24 AC |
944 | dbg("%s - Baudrate (%d) requested is not supported", |
945 | __func__, baud); | |
1da177e4 | 946 | div_value = ftdi_sio_b9600; |
bd5e47cc | 947 | baud = 9600; |
1da177e4 LT |
948 | div_okay = 0; |
949 | } | |
950 | break; | |
951 | case FT8U232AM: /* 8U232AM chip */ | |
952 | if (baud <= 3000000) { | |
953 | div_value = ftdi_232am_baud_to_divisor(baud); | |
954 | } else { | |
464cbb24 | 955 | dbg("%s - Baud rate too high!", __func__); |
bd5e47cc | 956 | baud = 9600; |
1da177e4 LT |
957 | div_value = ftdi_232am_baud_to_divisor(9600); |
958 | div_okay = 0; | |
959 | } | |
960 | break; | |
961 | case FT232BM: /* FT232BM chip */ | |
962 | case FT2232C: /* FT2232C chip */ | |
3b009c63 | 963 | case FT232RL: |
1da177e4 LT |
964 | if (baud <= 3000000) { |
965 | div_value = ftdi_232bm_baud_to_divisor(baud); | |
966 | } else { | |
464cbb24 | 967 | dbg("%s - Baud rate too high!", __func__); |
1da177e4 LT |
968 | div_value = ftdi_232bm_baud_to_divisor(9600); |
969 | div_okay = 0; | |
669a6db1 | 970 | baud = 9600; |
1da177e4 LT |
971 | } |
972 | break; | |
973 | } /* priv->chip_type */ | |
974 | ||
975 | if (div_okay) { | |
976 | dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s", | |
441b62c1 | 977 | __func__, baud, (unsigned long)div_value, |
1da177e4 LT |
978 | ftdi_chip_name[priv->chip_type]); |
979 | } | |
980 | ||
95da310e | 981 | tty_encode_baud_rate(tty, baud, baud); |
464cbb24 | 982 | return div_value; |
1da177e4 LT |
983 | } |
984 | ||
95da310e AC |
985 | static int change_speed(struct tty_struct *tty, struct usb_serial_port *port) |
986 | { | |
987 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
988 | char *buf; | |
464cbb24 | 989 | __u16 urb_value; |
95da310e AC |
990 | __u16 urb_index; |
991 | __u32 urb_index_value; | |
992 | int rv; | |
993 | ||
994 | buf = kmalloc(1, GFP_NOIO); | |
995 | if (!buf) | |
996 | return -ENOMEM; | |
997 | ||
998 | urb_index_value = get_ftdi_divisor(tty, port); | |
999 | urb_value = (__u16)urb_index_value; | |
1000 | urb_index = (__u16)(urb_index_value >> 16); | |
1001 | if (priv->interface) { /* FT2232C */ | |
1002 | urb_index = (__u16)((urb_index << 8) | priv->interface); | |
1003 | } | |
1004 | ||
1005 | rv = usb_control_msg(port->serial->dev, | |
1006 | usb_sndctrlpipe(port->serial->dev, 0), | |
1007 | FTDI_SIO_SET_BAUDRATE_REQUEST, | |
1008 | FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, | |
1009 | urb_value, urb_index, | |
1010 | buf, 0, WDR_SHORT_TIMEOUT); | |
1011 | ||
1012 | kfree(buf); | |
1013 | return rv; | |
1014 | } | |
1015 | ||
1016 | ||
1da177e4 | 1017 | |
464cbb24 AC |
1018 | static int get_serial_info(struct usb_serial_port *port, |
1019 | struct serial_struct __user *retinfo) | |
1da177e4 LT |
1020 | { |
1021 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1022 | struct serial_struct tmp; | |
1023 | ||
1024 | if (!retinfo) | |
1025 | return -EFAULT; | |
1026 | memset(&tmp, 0, sizeof(tmp)); | |
1027 | tmp.flags = priv->flags; | |
1028 | tmp.baud_base = priv->baud_base; | |
1029 | tmp.custom_divisor = priv->custom_divisor; | |
1030 | if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) | |
1031 | return -EFAULT; | |
1032 | return 0; | |
1033 | } /* get_serial_info */ | |
1034 | ||
1035 | ||
95da310e | 1036 | static int set_serial_info(struct tty_struct *tty, |
464cbb24 | 1037 | struct usb_serial_port *port, struct serial_struct __user *newinfo) |
1da177e4 LT |
1038 | { /* set_serial_info */ |
1039 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1040 | struct serial_struct new_serial; | |
1041 | struct ftdi_private old_priv; | |
1042 | ||
1043 | if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) | |
1044 | return -EFAULT; | |
464cbb24 | 1045 | old_priv = *priv; |
1da177e4 LT |
1046 | |
1047 | /* Do error checking and permission checking */ | |
1048 | ||
1049 | if (!capable(CAP_SYS_ADMIN)) { | |
1050 | if (((new_serial.flags & ~ASYNC_USR_MASK) != | |
1051 | (priv->flags & ~ASYNC_USR_MASK))) | |
1052 | return -EPERM; | |
1053 | priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | | |
1054 | (new_serial.flags & ASYNC_USR_MASK)); | |
1055 | priv->custom_divisor = new_serial.custom_divisor; | |
1056 | goto check_and_exit; | |
1057 | } | |
1058 | ||
1059 | if ((new_serial.baud_base != priv->baud_base) && | |
1060 | (new_serial.baud_base < 9600)) | |
1061 | return -EINVAL; | |
1062 | ||
1063 | /* Make the changes - these are privileged changes! */ | |
1064 | ||
1065 | priv->flags = ((priv->flags & ~ASYNC_FLAGS) | | |
464cbb24 | 1066 | (new_serial.flags & ASYNC_FLAGS)); |
1da177e4 LT |
1067 | priv->custom_divisor = new_serial.custom_divisor; |
1068 | ||
95da310e | 1069 | tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; |
1da177e4 LT |
1070 | |
1071 | check_and_exit: | |
1072 | if ((old_priv.flags & ASYNC_SPD_MASK) != | |
1073 | (priv->flags & ASYNC_SPD_MASK)) { | |
1074 | if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) | |
95da310e | 1075 | tty->alt_speed = 57600; |
1da177e4 | 1076 | else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) |
95da310e | 1077 | tty->alt_speed = 115200; |
1da177e4 | 1078 | else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) |
95da310e | 1079 | tty->alt_speed = 230400; |
1da177e4 | 1080 | else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) |
95da310e | 1081 | tty->alt_speed = 460800; |
1da177e4 | 1082 | else |
95da310e | 1083 | tty->alt_speed = 0; |
1da177e4 LT |
1084 | } |
1085 | if (((old_priv.flags & ASYNC_SPD_MASK) != | |
1086 | (priv->flags & ASYNC_SPD_MASK)) || | |
1087 | (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && | |
1088 | (old_priv.custom_divisor != priv->custom_divisor))) { | |
95da310e | 1089 | change_speed(tty, port); |
1da177e4 | 1090 | } |
95da310e | 1091 | return 0; |
1da177e4 LT |
1092 | |
1093 | } /* set_serial_info */ | |
1094 | ||
1095 | ||
8f977e42 IA |
1096 | /* Determine type of FTDI chip based on USB config and descriptor. */ |
1097 | static void ftdi_determine_type(struct usb_serial_port *port) | |
1098 | { | |
1099 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1100 | struct usb_serial *serial = port->serial; | |
1101 | struct usb_device *udev = serial->dev; | |
1102 | unsigned version; | |
1103 | unsigned interfaces; | |
1104 | ||
1105 | /* Assume it is not the original SIO device for now. */ | |
f5e09b7c | 1106 | priv->baud_base = 48000000 / 2; |
8f977e42 IA |
1107 | priv->write_offset = 0; |
1108 | ||
1109 | version = le16_to_cpu(udev->descriptor.bcdDevice); | |
1110 | interfaces = udev->actconfig->desc.bNumInterfaces; | |
441b62c1 | 1111 | dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__, |
8f977e42 IA |
1112 | version, interfaces); |
1113 | if (interfaces > 1) { | |
1114 | int inter; | |
1115 | ||
1116 | /* Multiple interfaces. Assume FT2232C. */ | |
1117 | priv->chip_type = FT2232C; | |
1118 | /* Determine interface code. */ | |
1119 | inter = serial->interface->altsetting->desc.bInterfaceNumber; | |
464cbb24 | 1120 | if (inter == 0) |
8f977e42 | 1121 | priv->interface = PIT_SIOA; |
464cbb24 | 1122 | else |
8f977e42 | 1123 | priv->interface = PIT_SIOB; |
8f977e42 IA |
1124 | /* BM-type devices have a bug where bcdDevice gets set |
1125 | * to 0x200 when iSerialNumber is 0. */ | |
1126 | if (version < 0x500) { | |
1127 | dbg("%s: something fishy - bcdDevice too low for multi-interface device", | |
441b62c1 | 1128 | __func__); |
8f977e42 IA |
1129 | } |
1130 | } else if (version < 0x200) { | |
1131 | /* Old device. Assume its the original SIO. */ | |
1132 | priv->chip_type = SIO; | |
1133 | priv->baud_base = 12000000 / 16; | |
1134 | priv->write_offset = 1; | |
1135 | } else if (version < 0x400) { | |
1136 | /* Assume its an FT8U232AM (or FT8U245AM) */ | |
1137 | /* (It might be a BM because of the iSerialNumber bug, | |
1138 | * but it will still work as an AM device.) */ | |
1139 | priv->chip_type = FT8U232AM; | |
3b009c63 | 1140 | } else if (version < 0x600) { |
8f977e42 IA |
1141 | /* Assume its an FT232BM (or FT245BM) */ |
1142 | priv->chip_type = FT232BM; | |
3b009c63 DB |
1143 | } else { |
1144 | /* Assume its an FT232R */ | |
1145 | priv->chip_type = FT232RL; | |
8f977e42 IA |
1146 | } |
1147 | info("Detected %s", ftdi_chip_name[priv->chip_type]); | |
1148 | } | |
1149 | ||
1150 | ||
1da177e4 LT |
1151 | /* |
1152 | * *************************************************************************** | |
1153 | * Sysfs Attribute | |
1154 | * *************************************************************************** | |
1155 | */ | |
1156 | ||
464cbb24 AC |
1157 | static ssize_t show_latency_timer(struct device *dev, |
1158 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1159 | { |
1160 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1161 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
12bdbe03 | 1162 | struct usb_device *udev = port->serial->dev; |
1da177e4 LT |
1163 | unsigned short latency = 0; |
1164 | int rv = 0; | |
5c09d144 | 1165 | |
5c09d144 | 1166 | |
464cbb24 | 1167 | dbg("%s", __func__); |
5c09d144 | 1168 | |
1da177e4 LT |
1169 | rv = usb_control_msg(udev, |
1170 | usb_rcvctrlpipe(udev, 0), | |
1171 | FTDI_SIO_GET_LATENCY_TIMER_REQUEST, | |
1172 | FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, | |
5c09d144 | 1173 | 0, priv->interface, |
464cbb24 | 1174 | (char *) &latency, 1, WDR_TIMEOUT); |
5c09d144 | 1175 | |
1da177e4 | 1176 | if (rv < 0) { |
898eb71c | 1177 | dev_err(dev, "Unable to read latency timer: %i\n", rv); |
1da177e4 LT |
1178 | return -EIO; |
1179 | } | |
1180 | return sprintf(buf, "%i\n", latency); | |
1181 | } | |
1182 | ||
1183 | /* Write a new value of the latency timer, in units of milliseconds. */ | |
464cbb24 AC |
1184 | static ssize_t store_latency_timer(struct device *dev, |
1185 | struct device_attribute *attr, const char *valbuf, | |
1186 | size_t count) | |
1da177e4 LT |
1187 | { |
1188 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1189 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
12bdbe03 | 1190 | struct usb_device *udev = port->serial->dev; |
1da177e4 LT |
1191 | char buf[1]; |
1192 | int v = simple_strtoul(valbuf, NULL, 10); | |
1193 | int rv = 0; | |
5c09d144 | 1194 | |
441b62c1 | 1195 | dbg("%s: setting latency timer = %i", __func__, v); |
5c09d144 | 1196 | |
1da177e4 LT |
1197 | rv = usb_control_msg(udev, |
1198 | usb_sndctrlpipe(udev, 0), | |
1199 | FTDI_SIO_SET_LATENCY_TIMER_REQUEST, | |
1200 | FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, | |
5c09d144 | 1201 | v, priv->interface, |
1da177e4 | 1202 | buf, 0, WDR_TIMEOUT); |
5c09d144 | 1203 | |
1da177e4 | 1204 | if (rv < 0) { |
898eb71c | 1205 | dev_err(dev, "Unable to write latency timer: %i\n", rv); |
1da177e4 LT |
1206 | return -EIO; |
1207 | } | |
5c09d144 | 1208 | |
1da177e4 LT |
1209 | return count; |
1210 | } | |
1211 | ||
1212 | /* Write an event character directly to the FTDI register. The ASCII | |
1213 | value is in the low 8 bits, with the enable bit in the 9th bit. */ | |
464cbb24 AC |
1214 | static ssize_t store_event_char(struct device *dev, |
1215 | struct device_attribute *attr, const char *valbuf, size_t count) | |
1da177e4 LT |
1216 | { |
1217 | struct usb_serial_port *port = to_usb_serial_port(dev); | |
1218 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
12bdbe03 | 1219 | struct usb_device *udev = port->serial->dev; |
1da177e4 LT |
1220 | char buf[1]; |
1221 | int v = simple_strtoul(valbuf, NULL, 10); | |
1222 | int rv = 0; | |
5c09d144 | 1223 | |
441b62c1 | 1224 | dbg("%s: setting event char = %i", __func__, v); |
5c09d144 | 1225 | |
1da177e4 LT |
1226 | rv = usb_control_msg(udev, |
1227 | usb_sndctrlpipe(udev, 0), | |
1228 | FTDI_SIO_SET_EVENT_CHAR_REQUEST, | |
1229 | FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE, | |
5c09d144 | 1230 | v, priv->interface, |
1da177e4 | 1231 | buf, 0, WDR_TIMEOUT); |
5c09d144 | 1232 | |
1da177e4 LT |
1233 | if (rv < 0) { |
1234 | dbg("Unable to write event character: %i", rv); | |
1235 | return -EIO; | |
1236 | } | |
5c09d144 | 1237 | |
1da177e4 LT |
1238 | return count; |
1239 | } | |
1240 | ||
464cbb24 AC |
1241 | static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, |
1242 | store_latency_timer); | |
1da177e4 LT |
1243 | static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char); |
1244 | ||
12bdbe03 | 1245 | static int create_sysfs_attrs(struct usb_serial_port *port) |
13f4db9e | 1246 | { |
12bdbe03 | 1247 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
13f4db9e | 1248 | int retval = 0; |
1da177e4 | 1249 | |
464cbb24 | 1250 | dbg("%s", __func__); |
13f4db9e | 1251 | |
1da177e4 LT |
1252 | /* XXX I've no idea if the original SIO supports the event_char |
1253 | * sysfs parameter, so I'm playing it safe. */ | |
1254 | if (priv->chip_type != SIO) { | |
1255 | dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]); | |
12bdbe03 | 1256 | retval = device_create_file(&port->dev, &dev_attr_event_char); |
13f4db9e | 1257 | if ((!retval) && |
97cd49eb SM |
1258 | (priv->chip_type == FT232BM || |
1259 | priv->chip_type == FT2232C || | |
1260 | priv->chip_type == FT232RL)) { | |
12bdbe03 | 1261 | retval = device_create_file(&port->dev, |
13f4db9e | 1262 | &dev_attr_latency_timer); |
1da177e4 LT |
1263 | } |
1264 | } | |
13f4db9e | 1265 | return retval; |
1da177e4 LT |
1266 | } |
1267 | ||
12bdbe03 | 1268 | static void remove_sysfs_attrs(struct usb_serial_port *port) |
1da177e4 | 1269 | { |
12bdbe03 | 1270 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1da177e4 | 1271 | |
464cbb24 | 1272 | dbg("%s", __func__); |
1da177e4 | 1273 | |
1da177e4 LT |
1274 | /* XXX see create_sysfs_attrs */ |
1275 | if (priv->chip_type != SIO) { | |
12bdbe03 | 1276 | device_remove_file(&port->dev, &dev_attr_event_char); |
ed6e5282 AB |
1277 | if (priv->chip_type == FT232BM || |
1278 | priv->chip_type == FT2232C || | |
1279 | priv->chip_type == FT232RL) { | |
12bdbe03 | 1280 | device_remove_file(&port->dev, &dev_attr_latency_timer); |
1da177e4 LT |
1281 | } |
1282 | } | |
5c09d144 | 1283 | |
1da177e4 LT |
1284 | } |
1285 | ||
1286 | /* | |
1287 | * *************************************************************************** | |
1288 | * FTDI driver specific functions | |
1289 | * *************************************************************************** | |
1290 | */ | |
1291 | ||
8f977e42 | 1292 | /* Probe function to check for special devices */ |
464cbb24 AC |
1293 | static int ftdi_sio_probe(struct usb_serial *serial, |
1294 | const struct usb_device_id *id) | |
8f977e42 | 1295 | { |
464cbb24 AC |
1296 | struct ftdi_sio_quirk *quirk = |
1297 | (struct ftdi_sio_quirk *)id->driver_info; | |
fa91d43b TL |
1298 | |
1299 | if (quirk && quirk->probe) { | |
1300 | int ret = quirk->probe(serial); | |
1301 | if (ret != 0) | |
1302 | return ret; | |
1303 | } | |
1304 | ||
8f977e42 IA |
1305 | usb_set_serial_data(serial, (void *)id->driver_info); |
1306 | ||
fa91d43b | 1307 | return 0; |
8f977e42 IA |
1308 | } |
1309 | ||
12bdbe03 | 1310 | static int ftdi_sio_port_probe(struct usb_serial_port *port) |
1da177e4 | 1311 | { |
1da177e4 | 1312 | struct ftdi_private *priv; |
0ffbbe25 ON |
1313 | struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial); |
1314 | ||
13f4db9e | 1315 | |
464cbb24 | 1316 | dbg("%s", __func__); |
1da177e4 | 1317 | |
80b6ca48 | 1318 | priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL); |
464cbb24 AC |
1319 | if (!priv) { |
1320 | err("%s- kmalloc(%Zd) failed.", __func__, | |
1321 | sizeof(struct ftdi_private)); | |
1da177e4 LT |
1322 | return -ENOMEM; |
1323 | } | |
1da177e4 LT |
1324 | |
1325 | spin_lock_init(&priv->rx_lock); | |
22465400 | 1326 | spin_lock_init(&priv->tx_lock); |
464cbb24 | 1327 | init_waitqueue_head(&priv->delta_msr_wait); |
1da177e4 LT |
1328 | /* This will push the characters through immediately rather |
1329 | than queue a task to deliver them */ | |
1330 | priv->flags = ASYNC_LOW_LATENCY; | |
1331 | ||
0ffbbe25 ON |
1332 | if (quirk && quirk->port_probe) |
1333 | quirk->port_probe(priv); | |
1334 | ||
1da177e4 | 1335 | /* Increase the size of read buffers */ |
1bc3c9e1 | 1336 | kfree(port->bulk_in_buffer); |
464cbb24 | 1337 | port->bulk_in_buffer = kmalloc(BUFSZ, GFP_KERNEL); |
1da177e4 | 1338 | if (!port->bulk_in_buffer) { |
464cbb24 | 1339 | kfree(priv); |
1da177e4 LT |
1340 | return -ENOMEM; |
1341 | } | |
1342 | if (port->read_urb) { | |
1343 | port->read_urb->transfer_buffer = port->bulk_in_buffer; | |
1344 | port->read_urb->transfer_buffer_length = BUFSZ; | |
1345 | } | |
1346 | ||
c4028958 DH |
1347 | INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read); |
1348 | priv->port = port; | |
76854cea | 1349 | |
1da177e4 LT |
1350 | /* Free port's existing write urb and transfer buffer. */ |
1351 | if (port->write_urb) { | |
464cbb24 | 1352 | usb_free_urb(port->write_urb); |
1da177e4 LT |
1353 | port->write_urb = NULL; |
1354 | } | |
1bc3c9e1 JJ |
1355 | kfree(port->bulk_out_buffer); |
1356 | port->bulk_out_buffer = NULL; | |
1da177e4 | 1357 | |
12bdbe03 | 1358 | usb_set_serial_port_data(port, priv); |
1da177e4 | 1359 | |
464cbb24 | 1360 | ftdi_determine_type(port); |
12bdbe03 JR |
1361 | create_sysfs_attrs(port); |
1362 | return 0; | |
1363 | } | |
1da177e4 | 1364 | |
8f977e42 IA |
1365 | /* Setup for the USB-UIRT device, which requires hardwired |
1366 | * baudrate (38400 gets mapped to 312500) */ | |
1da177e4 | 1367 | /* Called from usbserial:serial_probe */ |
464cbb24 | 1368 | static void ftdi_USB_UIRT_setup(struct ftdi_private *priv) |
8f977e42 | 1369 | { |
464cbb24 | 1370 | dbg("%s", __func__); |
1da177e4 | 1371 | |
1da177e4 LT |
1372 | priv->flags |= ASYNC_SPD_CUST; |
1373 | priv->custom_divisor = 77; | |
669a6db1 | 1374 | priv->force_baud = 38400; |
8f977e42 | 1375 | } /* ftdi_USB_UIRT_setup */ |
1da177e4 | 1376 | |
8f977e42 IA |
1377 | /* Setup for the HE-TIRA1 device, which requires hardwired |
1378 | * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */ | |
464cbb24 AC |
1379 | |
1380 | static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) | |
8f977e42 | 1381 | { |
464cbb24 | 1382 | dbg("%s", __func__); |
1da177e4 | 1383 | |
1da177e4 LT |
1384 | priv->flags |= ASYNC_SPD_CUST; |
1385 | priv->custom_divisor = 240; | |
669a6db1 | 1386 | priv->force_baud = 38400; |
1da177e4 | 1387 | priv->force_rtscts = 1; |
8f977e42 | 1388 | } /* ftdi_HE_TIRA1_setup */ |
1da177e4 | 1389 | |
fa91d43b | 1390 | /* |
20734345 HW |
1391 | * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko |
1392 | * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from | |
1393 | * userspace using openocd. | |
fa91d43b | 1394 | */ |
20734345 | 1395 | static int ftdi_jtag_probe(struct usb_serial *serial) |
fa91d43b TL |
1396 | { |
1397 | struct usb_device *udev = serial->dev; | |
1398 | struct usb_interface *interface = serial->interface; | |
1399 | ||
464cbb24 | 1400 | dbg("%s", __func__); |
fa91d43b TL |
1401 | |
1402 | if (interface == udev->actconfig->interface[0]) { | |
20734345 | 1403 | info("Ignoring serial port reserved for JTAG"); |
fa91d43b TL |
1404 | return -ENODEV; |
1405 | } | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1da177e4 | 1409 | |
546d7eec KV |
1410 | /* |
1411 | * The Matrix Orbital VK204-25-USB has an invalid IN endpoint. | |
1412 | * We have to correct it if we want to read from it. | |
1413 | */ | |
1414 | static int ftdi_mtxorb_hack_setup(struct usb_serial *serial) | |
1415 | { | |
1416 | struct usb_host_endpoint *ep = serial->dev->ep_in[1]; | |
1417 | struct usb_endpoint_descriptor *ep_desc = &ep->desc; | |
1418 | ||
1419 | if (ep->enabled && ep_desc->wMaxPacketSize == 0) { | |
fd05e720 | 1420 | ep_desc->wMaxPacketSize = cpu_to_le16(0x40); |
546d7eec KV |
1421 | info("Fixing invalid wMaxPacketSize on read pipe"); |
1422 | } | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | ||
5c09d144 | 1427 | /* ftdi_shutdown is called from usbserial:usb_serial_disconnect |
1da177e4 LT |
1428 | * it is called when the usb device is disconnected |
1429 | * | |
1430 | * usbserial:usb_serial_disconnect | |
1431 | * calls __serial_close for each open of the port | |
1432 | * shutdown is called then (ie ftdi_shutdown) | |
1433 | */ | |
464cbb24 | 1434 | static void ftdi_shutdown(struct usb_serial *serial) |
12bdbe03 | 1435 | { |
441b62c1 | 1436 | dbg("%s", __func__); |
12bdbe03 | 1437 | } |
5c09d144 | 1438 | |
12bdbe03 JR |
1439 | static int ftdi_sio_port_remove(struct usb_serial_port *port) |
1440 | { | |
1da177e4 LT |
1441 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1442 | ||
441b62c1 | 1443 | dbg("%s", __func__); |
1da177e4 | 1444 | |
12bdbe03 | 1445 | remove_sysfs_attrs(port); |
5c09d144 DB |
1446 | |
1447 | /* all open ports are closed at this point | |
464cbb24 | 1448 | * (by usbserial.c:__serial_close, which calls ftdi_close) |
1da177e4 LT |
1449 | */ |
1450 | ||
1451 | if (priv) { | |
1452 | usb_set_serial_port_data(port, NULL); | |
1453 | kfree(priv); | |
1454 | } | |
1da177e4 | 1455 | |
12bdbe03 JR |
1456 | return 0; |
1457 | } | |
1da177e4 | 1458 | |
95da310e AC |
1459 | static int ftdi_open(struct tty_struct *tty, |
1460 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 1461 | { /* ftdi_open */ |
1da177e4 LT |
1462 | struct usb_device *dev = port->serial->dev; |
1463 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1464 | unsigned long flags; | |
5c09d144 | 1465 | |
1da177e4 LT |
1466 | int result = 0; |
1467 | char buf[1]; /* Needed for the usb_control_msg I think */ | |
1468 | ||
441b62c1 | 1469 | dbg("%s", __func__); |
1da177e4 | 1470 | |
22465400 IA |
1471 | spin_lock_irqsave(&priv->tx_lock, flags); |
1472 | priv->tx_bytes = 0; | |
1473 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1474 | spin_lock_irqsave(&priv->rx_lock, flags); | |
1475 | priv->rx_bytes = 0; | |
1476 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
1477 | ||
95da310e AC |
1478 | if (tty) |
1479 | tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; | |
1da177e4 LT |
1480 | |
1481 | /* No error checking for this (will get errors later anyway) */ | |
1482 | /* See ftdi_sio.h for description of what is reset */ | |
1483 | usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
5c09d144 DB |
1484 | FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, |
1485 | FTDI_SIO_RESET_SIO, | |
1da177e4 LT |
1486 | priv->interface, buf, 0, WDR_TIMEOUT); |
1487 | ||
1488 | /* Termios defaults are set by usb_serial_init. We don't change | |
1489 | port->tty->termios - this would loose speed settings, etc. | |
1490 | This is same behaviour as serial.c/rs_open() - Kuba */ | |
1491 | ||
1492 | /* ftdi_set_termios will send usb control messages */ | |
95da310e AC |
1493 | if (tty) |
1494 | ftdi_set_termios(tty, port, tty->termios); | |
1da177e4 LT |
1495 | |
1496 | /* FIXME: Flow control might be enabled, so it should be checked - | |
1497 | we have no control of defaults! */ | |
1498 | /* Turn on RTS and DTR since we are not flow controlling by default */ | |
74ede0ff | 1499 | set_mctrl(port, TIOCM_DTR | TIOCM_RTS); |
1da177e4 LT |
1500 | |
1501 | /* Not throttled */ | |
1502 | spin_lock_irqsave(&priv->rx_lock, flags); | |
1503 | priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); | |
1504 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
1505 | ||
1506 | /* Start reading from the device */ | |
76854cea | 1507 | priv->rx_processed = 0; |
1da177e4 | 1508 | usb_fill_bulk_urb(port->read_urb, dev, |
464cbb24 AC |
1509 | usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress), |
1510 | port->read_urb->transfer_buffer, | |
1511 | port->read_urb->transfer_buffer_length, | |
1512 | ftdi_read_bulk_callback, port); | |
1da177e4 LT |
1513 | result = usb_submit_urb(port->read_urb, GFP_KERNEL); |
1514 | if (result) | |
464cbb24 AC |
1515 | err("%s - failed submitting read urb, error %d", |
1516 | __func__, result); | |
1da177e4 LT |
1517 | |
1518 | ||
1519 | return result; | |
1520 | } /* ftdi_open */ | |
1521 | ||
1522 | ||
1523 | ||
5c09d144 | 1524 | /* |
1da177e4 LT |
1525 | * usbserial:__serial_close only calls ftdi_close if the point is open |
1526 | * | |
1527 | * This only gets called when it is the last close | |
5c09d144 DB |
1528 | * |
1529 | * | |
1da177e4 LT |
1530 | */ |
1531 | ||
95da310e AC |
1532 | static void ftdi_close(struct tty_struct *tty, |
1533 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 1534 | { /* ftdi_close */ |
95da310e | 1535 | unsigned int c_cflag = tty->termios->c_cflag; |
1da177e4 LT |
1536 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1537 | char buf[1]; | |
1538 | ||
441b62c1 | 1539 | dbg("%s", __func__); |
1da177e4 | 1540 | |
95bef012 | 1541 | mutex_lock(&port->serial->disc_mutex); |
464cbb24 | 1542 | if (c_cflag & HUPCL && !port->serial->disconnected) { |
1da177e4 | 1543 | /* Disable flow control */ |
5c09d144 | 1544 | if (usb_control_msg(port->serial->dev, |
1da177e4 LT |
1545 | usb_sndctrlpipe(port->serial->dev, 0), |
1546 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, | |
1547 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, | |
1548 | 0, priv->interface, buf, 0, | |
1549 | WDR_TIMEOUT) < 0) { | |
1550 | err("error from flowcontrol urb"); | |
5c09d144 | 1551 | } |
1da177e4 | 1552 | |
74ede0ff IA |
1553 | /* drop RTS and DTR */ |
1554 | clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); | |
1da177e4 | 1555 | } /* Note change no line if hupcl is off */ |
95bef012 | 1556 | mutex_unlock(&port->serial->disc_mutex); |
76854cea IA |
1557 | |
1558 | /* cancel any scheduled reading */ | |
1559 | cancel_delayed_work(&priv->rx_work); | |
1560 | flush_scheduled_work(); | |
5c09d144 | 1561 | |
1da177e4 | 1562 | /* shutdown our bulk read */ |
794c944e | 1563 | usb_kill_urb(port->read_urb); |
1da177e4 LT |
1564 | } /* ftdi_close */ |
1565 | ||
1566 | ||
5c09d144 | 1567 | |
1da177e4 LT |
1568 | /* The SIO requires the first byte to have: |
1569 | * B0 1 | |
1570 | * B1 0 | |
1571 | * B2..7 length of message excluding byte 0 | |
1572 | * | |
1573 | * The new devices do not require this byte | |
1574 | */ | |
95da310e | 1575 | static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
1576 | const unsigned char *buf, int count) |
1577 | { /* ftdi_write */ | |
1578 | struct ftdi_private *priv = usb_get_serial_port_data(port); | |
1579 | struct urb *urb; | |
1580 | unsigned char *buffer; | |
1581 | int data_offset ; /* will be 1 for the SIO and 0 otherwise */ | |
1582 | int status; | |
1583 | int transfer_size; | |
22465400 | 1584 | unsigned long flags; |
1da177e4 | 1585 | |
441b62c1 | 1586 | dbg("%s port %d, %d bytes", __func__, port->number, count); |
1da177e4 LT |
1587 | |
1588 | if (count == 0) { | |
1589 | dbg("write request of 0 bytes"); | |
1590 | return 0; | |
1591 | } | |
22465400 IA |
1592 | spin_lock_irqsave(&priv->tx_lock, flags); |
1593 | if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) { | |
1594 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
441b62c1 | 1595 | dbg("%s - write limit hit\n", __func__); |
22465400 IA |
1596 | return 0; |
1597 | } | |
62127a58 | 1598 | priv->tx_outstanding_urbs++; |
22465400 | 1599 | spin_unlock_irqrestore(&priv->tx_lock, flags); |
5c09d144 | 1600 | |
1da177e4 | 1601 | data_offset = priv->write_offset; |
464cbb24 | 1602 | dbg("data_offset set to %d", data_offset); |
1da177e4 LT |
1603 | |
1604 | /* Determine total transfer size */ | |
1605 | transfer_size = count; | |
1606 | if (data_offset > 0) { | |
1607 | /* Original sio needs control bytes too... */ | |
1608 | transfer_size += (data_offset * | |
1609 | ((count + (PKTSZ - 1 - data_offset)) / | |
1610 | (PKTSZ - data_offset))); | |
1611 | } | |
1612 | ||
464cbb24 | 1613 | buffer = kmalloc(transfer_size, GFP_ATOMIC); |
1da177e4 | 1614 | if (!buffer) { |
441b62c1 | 1615 | err("%s ran out of kernel memory for urb ...", __func__); |
62127a58 ON |
1616 | count = -ENOMEM; |
1617 | goto error_no_buffer; | |
1da177e4 LT |
1618 | } |
1619 | ||
1620 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
1621 | if (!urb) { | |
441b62c1 | 1622 | err("%s - no more free urbs", __func__); |
62127a58 ON |
1623 | count = -ENOMEM; |
1624 | goto error_no_urb; | |
1da177e4 LT |
1625 | } |
1626 | ||
1627 | /* Copy data */ | |
1628 | if (data_offset > 0) { | |
464cbb24 AC |
1629 | /* Original sio requires control byte at start of |
1630 | each packet. */ | |
1da177e4 LT |
1631 | int user_pktsz = PKTSZ - data_offset; |
1632 | int todo = count; | |
1633 | unsigned char *first_byte = buffer; | |
1634 | const unsigned char *current_position = buf; | |
1635 | ||
1636 | while (todo > 0) { | |
464cbb24 | 1637 | if (user_pktsz > todo) |
1da177e4 | 1638 | user_pktsz = todo; |
1da177e4 | 1639 | /* Write the control byte at the front of the packet*/ |
5c09d144 | 1640 | *first_byte = 1 | ((user_pktsz) << 2); |
1da177e4 | 1641 | /* Copy data for packet */ |
464cbb24 | 1642 | memcpy(first_byte + data_offset, |
1da177e4 LT |
1643 | current_position, user_pktsz); |
1644 | first_byte += user_pktsz + data_offset; | |
1645 | current_position += user_pktsz; | |
1646 | todo -= user_pktsz; | |
1647 | } | |
1648 | } else { | |
1649 | /* No control byte required. */ | |
1650 | /* Copy in the data to send */ | |
464cbb24 | 1651 | memcpy(buffer, buf, count); |
1da177e4 LT |
1652 | } |
1653 | ||
464cbb24 AC |
1654 | usb_serial_debug_data(debug, &port->dev, __func__, |
1655 | transfer_size, buffer); | |
1da177e4 LT |
1656 | |
1657 | /* fill the buffer and send it */ | |
5c09d144 | 1658 | usb_fill_bulk_urb(urb, port->serial->dev, |
464cbb24 AC |
1659 | usb_sndbulkpipe(port->serial->dev, |
1660 | port->bulk_out_endpointAddress), | |
1661 | buffer, transfer_size, | |
1662 | ftdi_write_bulk_callback, port); | |
1da177e4 LT |
1663 | |
1664 | status = usb_submit_urb(urb, GFP_ATOMIC); | |
1665 | if (status) { | |
464cbb24 AC |
1666 | err("%s - failed submitting write urb, error %d", |
1667 | __func__, status); | |
1da177e4 | 1668 | count = status; |
62127a58 | 1669 | goto error; |
22465400 IA |
1670 | } else { |
1671 | spin_lock_irqsave(&priv->tx_lock, flags); | |
22465400 IA |
1672 | priv->tx_outstanding_bytes += count; |
1673 | priv->tx_bytes += count; | |
1674 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1da177e4 LT |
1675 | } |
1676 | ||
1677 | /* we are done with this urb, so let the host driver | |
1678 | * really free it when it is finished with it */ | |
62127a58 | 1679 | usb_free_urb(urb); |
1da177e4 | 1680 | |
441b62c1 | 1681 | dbg("%s write returning: %d", __func__, count); |
1da177e4 | 1682 | return count; |
62127a58 ON |
1683 | error: |
1684 | usb_free_urb(urb); | |
1685 | error_no_urb: | |
464cbb24 | 1686 | kfree(buffer); |
62127a58 ON |
1687 | error_no_buffer: |
1688 | spin_lock_irqsave(&priv->tx_lock, flags); | |
1689 | priv->tx_outstanding_urbs--; | |
1690 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1691 | return count; | |
1da177e4 LT |
1692 | } /* ftdi_write */ |
1693 | ||
1694 | ||
1695 | /* This function may get called when the device is closed */ | |
1696 | ||
464cbb24 | 1697 | static void ftdi_write_bulk_callback(struct urb *urb) |
1da177e4 | 1698 | { |
22465400 | 1699 | unsigned long flags; |
cdc97792 | 1700 | struct usb_serial_port *port = urb->context; |
22465400 IA |
1701 | struct ftdi_private *priv; |
1702 | int data_offset; /* will be 1 for the SIO and 0 otherwise */ | |
1703 | unsigned long countback; | |
0fb0aa18 | 1704 | int status = urb->status; |
1da177e4 LT |
1705 | |
1706 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
464cbb24 | 1707 | kfree(urb->transfer_buffer); |
1da177e4 | 1708 | |
441b62c1 | 1709 | dbg("%s - port %d", __func__, port->number); |
5c09d144 | 1710 | |
0fb0aa18 GKH |
1711 | if (status) { |
1712 | dbg("nonzero write bulk status received: %d", status); | |
1da177e4 LT |
1713 | return; |
1714 | } | |
1715 | ||
22465400 IA |
1716 | priv = usb_get_serial_port_data(port); |
1717 | if (!priv) { | |
441b62c1 | 1718 | dbg("%s - bad port private data pointer - exiting", __func__); |
22465400 IA |
1719 | return; |
1720 | } | |
1721 | /* account for transferred data */ | |
1722 | countback = urb->actual_length; | |
1723 | data_offset = priv->write_offset; | |
1724 | if (data_offset > 0) { | |
1725 | /* Subtract the control bytes */ | |
dfa5ec79 | 1726 | countback -= (data_offset * DIV_ROUND_UP(countback, PKTSZ)); |
22465400 IA |
1727 | } |
1728 | spin_lock_irqsave(&priv->tx_lock, flags); | |
1729 | --priv->tx_outstanding_urbs; | |
1730 | priv->tx_outstanding_bytes -= countback; | |
1731 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1732 | ||
cf2c7481 | 1733 | usb_serial_port_softint(port); |
1da177e4 LT |
1734 | } /* ftdi_write_bulk_callback */ |
1735 | ||
1736 | ||
95da310e | 1737 | static int ftdi_write_room(struct tty_struct *tty) |
1da177e4 | 1738 | { |
95da310e | 1739 | struct usb_serial_port *port = tty->driver_data; |
22465400 IA |
1740 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1741 | int room; | |
1742 | unsigned long flags; | |
1743 | ||
441b62c1 | 1744 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1745 | |
22465400 IA |
1746 | spin_lock_irqsave(&priv->tx_lock, flags); |
1747 | if (priv->tx_outstanding_urbs < URB_UPPER_LIMIT) { | |
1748 | /* | |
1749 | * We really can take anything the user throws at us | |
1750 | * but let's pick a nice big number to tell the tty | |
1751 | * layer that we have lots of free space | |
1752 | */ | |
1753 | room = 2048; | |
1754 | } else { | |
1755 | room = 0; | |
1756 | } | |
1757 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1758 | return room; | |
95da310e | 1759 | } |
1da177e4 | 1760 | |
95da310e AC |
1761 | static int ftdi_chars_in_buffer(struct tty_struct *tty) |
1762 | { | |
1763 | struct usb_serial_port *port = tty->driver_data; | |
22465400 IA |
1764 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
1765 | int buffered; | |
1766 | unsigned long flags; | |
1767 | ||
441b62c1 | 1768 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1769 | |
22465400 IA |
1770 | spin_lock_irqsave(&priv->tx_lock, flags); |
1771 | buffered = (int)priv->tx_outstanding_bytes; | |
1772 | spin_unlock_irqrestore(&priv->tx_lock, flags); | |
1773 | if (buffered < 0) { | |
441b62c1 | 1774 | err("%s outstanding tx bytes is negative!", __func__); |
22465400 IA |
1775 | buffered = 0; |
1776 | } | |
1777 | return buffered; | |
95da310e | 1778 | } |
1da177e4 | 1779 | |
95da310e AC |
1780 | static void ftdi_read_bulk_callback(struct urb *urb) |
1781 | { | |
cdc97792 | 1782 | struct usb_serial_port *port = urb->context; |
1da177e4 LT |
1783 | struct tty_struct *tty; |
1784 | struct ftdi_private *priv; | |
22465400 IA |
1785 | unsigned long countread; |
1786 | unsigned long flags; | |
0fb0aa18 | 1787 | int status = urb->status; |
1da177e4 LT |
1788 | |
1789 | if (urb->number_of_packets > 0) { | |
464cbb24 AC |
1790 | err("%s transfer_buffer_length %d actual_length %d number of packets %d", |
1791 | __func__, | |
1792 | urb->transfer_buffer_length, | |
1793 | urb->actual_length, urb->number_of_packets); | |
1794 | err("%s transfer_flags %x ", __func__, urb->transfer_flags); | |
1da177e4 LT |
1795 | } |
1796 | ||
441b62c1 | 1797 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1798 | |
95da310e | 1799 | if (port->port.count <= 0) |
1da177e4 LT |
1800 | return; |
1801 | ||
95da310e | 1802 | tty = port->port.tty; |
1da177e4 | 1803 | if (!tty) { |
464cbb24 | 1804 | dbg("%s - bad tty pointer - exiting", __func__); |
1da177e4 LT |
1805 | return; |
1806 | } | |
1807 | ||
1808 | priv = usb_get_serial_port_data(port); | |
1809 | if (!priv) { | |
441b62c1 | 1810 | dbg("%s - bad port private data pointer - exiting", __func__); |
1da177e4 LT |
1811 | return; |
1812 | } | |
1813 | ||
464cbb24 | 1814 | if (urb != port->read_urb) |
441b62c1 | 1815 | err("%s - Not my urb!", __func__); |
1da177e4 | 1816 | |
0fb0aa18 | 1817 | if (status) { |
464cbb24 AC |
1818 | /* This will happen at close every time so it is a dbg not an |
1819 | err */ | |
1820 | dbg("(this is ok on close) nonzero read bulk status received: %d", status); | |
1da177e4 LT |
1821 | return; |
1822 | } | |
1823 | ||
22465400 IA |
1824 | /* count data bytes, but not status bytes */ |
1825 | countread = urb->actual_length; | |
dfa5ec79 | 1826 | countread -= 2 * DIV_ROUND_UP(countread, PKTSZ); |
22465400 IA |
1827 | spin_lock_irqsave(&priv->rx_lock, flags); |
1828 | priv->rx_bytes += countread; | |
1829 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
1830 | ||
c4028958 | 1831 | ftdi_process_read(&priv->rx_work.work); |
1da177e4 LT |
1832 | |
1833 | } /* ftdi_read_bulk_callback */ | |
1834 | ||
1835 | ||
464cbb24 | 1836 | static void ftdi_process_read(struct work_struct *work) |
1da177e4 | 1837 | { /* ftdi_process_read */ |
c4028958 DH |
1838 | struct ftdi_private *priv = |
1839 | container_of(work, struct ftdi_private, rx_work.work); | |
1840 | struct usb_serial_port *port = priv->port; | |
1da177e4 LT |
1841 | struct urb *urb; |
1842 | struct tty_struct *tty; | |
1da177e4 | 1843 | char error_flag; |
5c09d144 | 1844 | unsigned char *data; |
1da177e4 LT |
1845 | |
1846 | int i; | |
1847 | int result; | |
1848 | int need_flip; | |
1849 | int packet_offset; | |
76854cea | 1850 | unsigned long flags; |
1da177e4 | 1851 | |
441b62c1 | 1852 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 1853 | |
95da310e | 1854 | if (port->port.count <= 0) |
1da177e4 LT |
1855 | return; |
1856 | ||
95da310e | 1857 | tty = port->port.tty; |
1da177e4 | 1858 | if (!tty) { |
464cbb24 | 1859 | dbg("%s - bad tty pointer - exiting", __func__); |
1da177e4 LT |
1860 | return; |
1861 | } | |
1862 | ||
1863 | priv = usb_get_serial_port_data(port); | |
1864 | if (!priv) { | |
441b62c1 | 1865 | dbg("%s - bad port private data pointer - exiting", __func__); |
1da177e4 LT |
1866 | return; |
1867 | } | |
1868 | ||
1869 | urb = port->read_urb; | |
1870 | if (!urb) { | |
441b62c1 | 1871 | dbg("%s - bad read_urb pointer - exiting", __func__); |
1da177e4 LT |
1872 | return; |
1873 | } | |
1874 | ||
1875 | data = urb->transfer_buffer; | |
1876 | ||
76854cea | 1877 | if (priv->rx_processed) { |
441b62c1 | 1878 | dbg("%s - already processed: %d bytes, %d remain", __func__, |
76854cea IA |
1879 | priv->rx_processed, |
1880 | urb->actual_length - priv->rx_processed); | |
1da177e4 | 1881 | } else { |
76854cea | 1882 | /* The first two bytes of every read packet are status */ |
464cbb24 AC |
1883 | if (urb->actual_length > 2) |
1884 | usb_serial_debug_data(debug, &port->dev, __func__, | |
1885 | urb->actual_length, data); | |
1886 | else | |
1887 | dbg("Status only: %03oo %03oo", data[0], data[1]); | |
76854cea | 1888 | } |
1da177e4 LT |
1889 | |
1890 | ||
1891 | /* TO DO -- check for hung up line and handle appropriately: */ | |
1892 | /* send hangup */ | |
1893 | /* See acm.c - you do a tty_hangup - eg tty_hangup(tty) */ | |
1894 | /* if CD is dropped and the line is not CLOCAL then we should hangup */ | |
1895 | ||
1896 | need_flip = 0; | |
464cbb24 AC |
1897 | for (packet_offset = priv->rx_processed; |
1898 | packet_offset < urb->actual_length; packet_offset += PKTSZ) { | |
76854cea IA |
1899 | int length; |
1900 | ||
464cbb24 AC |
1901 | /* Compare new line status to the old one, signal if different/ |
1902 | N.B. packet may be processed more than once, but differences | |
1903 | are only processed once. */ | |
1da177e4 | 1904 | if (priv != NULL) { |
464cbb24 AC |
1905 | char new_status = data[packet_offset + 0] & |
1906 | FTDI_STATUS_B0_MASK; | |
1da177e4 | 1907 | if (new_status != priv->prev_status) { |
464cbb24 AC |
1908 | priv->diff_status |= |
1909 | new_status ^ priv->prev_status; | |
1da177e4 LT |
1910 | wake_up_interruptible(&priv->delta_msr_wait); |
1911 | priv->prev_status = new_status; | |
1912 | } | |
1913 | } | |
1914 | ||
76854cea IA |
1915 | length = min(PKTSZ, urb->actual_length-packet_offset)-2; |
1916 | if (length < 0) { | |
441b62c1 | 1917 | err("%s - bad packet length: %d", __func__, length+2); |
76854cea IA |
1918 | length = 0; |
1919 | } | |
1920 | ||
76854cea | 1921 | if (priv->rx_flags & THROTTLED) { |
441b62c1 | 1922 | dbg("%s - throttled", __func__); |
76854cea IA |
1923 | break; |
1924 | } | |
33f0f88f | 1925 | if (tty_buffer_request_room(tty, length) < length) { |
464cbb24 AC |
1926 | /* break out & wait for throttling/unthrottling to |
1927 | happen */ | |
441b62c1 | 1928 | dbg("%s - receive room low", __func__); |
76854cea IA |
1929 | break; |
1930 | } | |
1931 | ||
1da177e4 LT |
1932 | /* Handle errors and break */ |
1933 | error_flag = TTY_NORMAL; | |
464cbb24 AC |
1934 | /* Although the device uses a bitmask and hence can have |
1935 | multiple errors on a packet - the order here sets the | |
1936 | priority the error is returned to the tty layer */ | |
1da177e4 | 1937 | |
464cbb24 | 1938 | if (data[packet_offset+1] & FTDI_RS_OE) { |
1da177e4 LT |
1939 | error_flag = TTY_OVERRUN; |
1940 | dbg("OVERRRUN error"); | |
1941 | } | |
464cbb24 | 1942 | if (data[packet_offset+1] & FTDI_RS_BI) { |
1da177e4 LT |
1943 | error_flag = TTY_BREAK; |
1944 | dbg("BREAK received"); | |
1945 | } | |
464cbb24 | 1946 | if (data[packet_offset+1] & FTDI_RS_PE) { |
1da177e4 LT |
1947 | error_flag = TTY_PARITY; |
1948 | dbg("PARITY error"); | |
1949 | } | |
464cbb24 | 1950 | if (data[packet_offset+1] & FTDI_RS_FE) { |
1da177e4 LT |
1951 | error_flag = TTY_FRAME; |
1952 | dbg("FRAMING error"); | |
1953 | } | |
76854cea IA |
1954 | if (length > 0) { |
1955 | for (i = 2; i < length+2; i++) { | |
5c09d144 | 1956 | /* Note that the error flag is duplicated for |
1da177e4 LT |
1957 | every character received since we don't know |
1958 | which character it applied to */ | |
464cbb24 AC |
1959 | tty_insert_flip_char(tty, |
1960 | data[packet_offset + i], error_flag); | |
1da177e4 LT |
1961 | } |
1962 | need_flip = 1; | |
1963 | } | |
1964 | ||
1965 | #ifdef NOT_CORRECT_BUT_KEEPING_IT_FOR_NOW | |
1966 | /* if a parity error is detected you get status packets forever | |
1967 | until a character is sent without a parity error. | |
464cbb24 AC |
1968 | This doesn't work well since the application receives a |
1969 | never ending stream of bad data - even though new data | |
1970 | hasn't been sent. Therefore I (bill) have taken this out. | |
5c09d144 | 1971 | However - this might make sense for framing errors and so on |
1da177e4 LT |
1972 | so I am leaving the code in for now. |
1973 | */ | |
1974 | else { | |
464cbb24 | 1975 | if (error_flag != TTY_NORMAL) { |
1da177e4 | 1976 | dbg("error_flag is not normal"); |
464cbb24 AC |
1977 | /* In this case it is just status - if that is |
1978 | an error send a bad character */ | |
1979 | if (tty->flip.count >= TTY_FLIPBUF_SIZE) | |
1da177e4 | 1980 | tty_flip_buffer_push(tty); |
1da177e4 LT |
1981 | tty_insert_flip_char(tty, 0xff, error_flag); |
1982 | need_flip = 1; | |
1983 | } | |
1984 | } | |
1985 | #endif | |
1986 | } /* "for(packet_offset=0..." */ | |
1987 | ||
1988 | /* Low latency */ | |
464cbb24 | 1989 | if (need_flip) |
1da177e4 | 1990 | tty_flip_buffer_push(tty); |
1da177e4 | 1991 | |
76854cea IA |
1992 | if (packet_offset < urb->actual_length) { |
1993 | /* not completely processed - record progress */ | |
1994 | priv->rx_processed = packet_offset; | |
1995 | dbg("%s - incomplete, %d bytes processed, %d remain", | |
441b62c1 | 1996 | __func__, packet_offset, |
76854cea IA |
1997 | urb->actual_length - packet_offset); |
1998 | /* check if we were throttled while processing */ | |
1999 | spin_lock_irqsave(&priv->rx_lock, flags); | |
2000 | if (priv->rx_flags & THROTTLED) { | |
2001 | priv->rx_flags |= ACTUALLY_THROTTLED; | |
2002 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2003 | dbg("%s - deferring remainder until unthrottled", | |
441b62c1 | 2004 | __func__); |
76854cea IA |
2005 | return; |
2006 | } | |
2007 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2008 | /* if the port is closed stop trying to read */ | |
464cbb24 | 2009 | if (port->port.count > 0) |
76854cea IA |
2010 | /* delay processing of remainder */ |
2011 | schedule_delayed_work(&priv->rx_work, 1); | |
464cbb24 | 2012 | else |
441b62c1 | 2013 | dbg("%s - port is closed", __func__); |
76854cea IA |
2014 | return; |
2015 | } | |
2016 | ||
2017 | /* urb is completely processed */ | |
2018 | priv->rx_processed = 0; | |
2019 | ||
1da177e4 | 2020 | /* if the port is closed stop trying to read */ |
464cbb24 | 2021 | if (port->port.count > 0) { |
1da177e4 | 2022 | /* Continue trying to always read */ |
5c09d144 | 2023 | usb_fill_bulk_urb(port->read_urb, port->serial->dev, |
464cbb24 AC |
2024 | usb_rcvbulkpipe(port->serial->dev, |
2025 | port->bulk_in_endpointAddress), | |
2026 | port->read_urb->transfer_buffer, | |
2027 | port->read_urb->transfer_buffer_length, | |
2028 | ftdi_read_bulk_callback, port); | |
1da177e4 LT |
2029 | |
2030 | result = usb_submit_urb(port->read_urb, GFP_ATOMIC); | |
2031 | if (result) | |
464cbb24 AC |
2032 | err("%s - failed resubmitting read urb, error %d", |
2033 | __func__, result); | |
1da177e4 | 2034 | } |
1da177e4 LT |
2035 | } /* ftdi_process_read */ |
2036 | ||
2037 | ||
95da310e | 2038 | static void ftdi_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 2039 | { |
95da310e | 2040 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 | 2041 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
5c09d144 | 2042 | __u16 urb_value = 0; |
1da177e4 | 2043 | char buf[1]; |
5c09d144 | 2044 | |
1da177e4 LT |
2045 | /* break_state = -1 to turn on break, and 0 to turn off break */ |
2046 | /* see drivers/char/tty_io.c to see it used */ | |
2047 | /* last_set_data_urb_value NEVER has the break bit set in it */ | |
2048 | ||
464cbb24 | 2049 | if (break_state) |
1da177e4 | 2050 | urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK; |
464cbb24 | 2051 | else |
5c09d144 | 2052 | urb_value = priv->last_set_data_urb_value; |
5c09d144 | 2053 | |
464cbb24 AC |
2054 | if (usb_control_msg(port->serial->dev, |
2055 | usb_sndctrlpipe(port->serial->dev, 0), | |
2056 | FTDI_SIO_SET_DATA_REQUEST, | |
2057 | FTDI_SIO_SET_DATA_REQUEST_TYPE, | |
2058 | urb_value , priv->interface, | |
2059 | buf, 0, WDR_TIMEOUT) < 0) { | |
2060 | err("%s FAILED to enable/disable break state (state was %d)", | |
2061 | __func__, break_state); | |
5c09d144 | 2062 | } |
1da177e4 | 2063 | |
464cbb24 AC |
2064 | dbg("%s break state is %d - urb is %d", __func__, |
2065 | break_state, urb_value); | |
5c09d144 | 2066 | |
1da177e4 LT |
2067 | } |
2068 | ||
2069 | ||
2070 | /* old_termios contains the original termios settings and tty->termios contains | |
2071 | * the new setting to be used | |
2072 | * WARNING: set_termios calls this with old_termios in kernel space | |
2073 | */ | |
2074 | ||
95da310e AC |
2075 | static void ftdi_set_termios(struct tty_struct *tty, |
2076 | struct usb_serial_port *port, struct ktermios *old_termios) | |
1da177e4 LT |
2077 | { /* ftdi_termios */ |
2078 | struct usb_device *dev = port->serial->dev; | |
1da177e4 | 2079 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
95da310e | 2080 | struct ktermios *termios = tty->termios; |
669a6db1 | 2081 | unsigned int cflag = termios->c_cflag; |
1da177e4 LT |
2082 | __u16 urb_value; /* will hold the new flags */ |
2083 | char buf[1]; /* Perhaps I should dynamically alloc this? */ | |
5c09d144 | 2084 | |
464cbb24 | 2085 | /* Added for xon/xoff support */ |
669a6db1 | 2086 | unsigned int iflag = termios->c_iflag; |
1da177e4 LT |
2087 | unsigned char vstop; |
2088 | unsigned char vstart; | |
5c09d144 | 2089 | |
441b62c1 | 2090 | dbg("%s", __func__); |
1da177e4 | 2091 | |
464cbb24 AC |
2092 | /* Force baud rate if this device requires it, unless it is set to |
2093 | B0. */ | |
669a6db1 | 2094 | if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) { |
441b62c1 | 2095 | dbg("%s: forcing baud rate for this device", __func__); |
95da310e | 2096 | tty_encode_baud_rate(tty, priv->force_baud, |
bd5e47cc | 2097 | priv->force_baud); |
1da177e4 LT |
2098 | } |
2099 | ||
2100 | /* Force RTS-CTS if this device requires it. */ | |
2101 | if (priv->force_rtscts) { | |
441b62c1 | 2102 | dbg("%s: forcing rtscts for this device", __func__); |
669a6db1 | 2103 | termios->c_cflag |= CRTSCTS; |
1da177e4 LT |
2104 | } |
2105 | ||
669a6db1 | 2106 | cflag = termios->c_cflag; |
1da177e4 | 2107 | |
5c09d144 DB |
2108 | /* FIXME -For this cut I don't care if the line is really changing or |
2109 | not - so just do the change regardless - should be able to | |
1da177e4 | 2110 | compare old_termios and tty->termios */ |
5c09d144 | 2111 | /* NOTE These routines can get interrupted by |
464cbb24 AC |
2112 | ftdi_sio_read_bulk_callback - need to examine what this means - |
2113 | don't see any problems yet */ | |
5c09d144 | 2114 | |
1da177e4 | 2115 | /* Set number of data bits, parity, stop bits */ |
5c09d144 | 2116 | |
669a6db1 AC |
2117 | termios->c_cflag &= ~CMSPAR; |
2118 | ||
1da177e4 LT |
2119 | urb_value = 0; |
2120 | urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : | |
2121 | FTDI_SIO_SET_DATA_STOP_BITS_1); | |
5c09d144 DB |
2122 | urb_value |= (cflag & PARENB ? |
2123 | (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD : | |
1da177e4 LT |
2124 | FTDI_SIO_SET_DATA_PARITY_EVEN) : |
2125 | FTDI_SIO_SET_DATA_PARITY_NONE); | |
2126 | if (cflag & CSIZE) { | |
2127 | switch (cflag & CSIZE) { | |
2128 | case CS5: urb_value |= 5; dbg("Setting CS5"); break; | |
2129 | case CS6: urb_value |= 6; dbg("Setting CS6"); break; | |
2130 | case CS7: urb_value |= 7; dbg("Setting CS7"); break; | |
2131 | case CS8: urb_value |= 8; dbg("Setting CS8"); break; | |
2132 | default: | |
2133 | err("CSIZE was set but not CS5-CS8"); | |
2134 | } | |
2135 | } | |
2136 | ||
464cbb24 AC |
2137 | /* This is needed by the break command since it uses the same command |
2138 | - but is or'ed with this value */ | |
1da177e4 | 2139 | priv->last_set_data_urb_value = urb_value; |
5c09d144 | 2140 | |
1da177e4 | 2141 | if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
5c09d144 | 2142 | FTDI_SIO_SET_DATA_REQUEST, |
1da177e4 LT |
2143 | FTDI_SIO_SET_DATA_REQUEST_TYPE, |
2144 | urb_value , priv->interface, | |
279e1545 | 2145 | buf, 0, WDR_SHORT_TIMEOUT) < 0) { |
441b62c1 | 2146 | err("%s FAILED to set databits/stopbits/parity", __func__); |
5c09d144 | 2147 | } |
1da177e4 LT |
2148 | |
2149 | /* Now do the baudrate */ | |
464cbb24 | 2150 | if ((cflag & CBAUD) == B0) { |
1da177e4 LT |
2151 | /* Disable flow control */ |
2152 | if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
5c09d144 | 2153 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, |
1da177e4 | 2154 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, |
5c09d144 | 2155 | 0, priv->interface, |
1da177e4 | 2156 | buf, 0, WDR_TIMEOUT) < 0) { |
441b62c1 | 2157 | err("%s error from disable flowcontrol urb", __func__); |
5c09d144 | 2158 | } |
1da177e4 | 2159 | /* Drop RTS and DTR */ |
74ede0ff | 2160 | clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); |
1da177e4 LT |
2161 | } else { |
2162 | /* set the baudrate determined before */ | |
464cbb24 | 2163 | if (change_speed(tty, port)) |
441b62c1 | 2164 | err("%s urb failed to set baudrate", __func__); |
72a755fc | 2165 | /* Ensure RTS and DTR are raised when baudrate changed from 0 */ |
464cbb24 | 2166 | if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) |
72a755fc | 2167 | set_mctrl(port, TIOCM_DTR | TIOCM_RTS); |
1da177e4 LT |
2168 | } |
2169 | ||
2170 | /* Set flow control */ | |
2171 | /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ | |
2172 | if (cflag & CRTSCTS) { | |
441b62c1 | 2173 | dbg("%s Setting to CRTSCTS flow control", __func__); |
5c09d144 | 2174 | if (usb_control_msg(dev, |
1da177e4 | 2175 | usb_sndctrlpipe(dev, 0), |
5c09d144 | 2176 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, |
1da177e4 LT |
2177 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, |
2178 | 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface), | |
2179 | buf, 0, WDR_TIMEOUT) < 0) { | |
2180 | err("urb failed to set to rts/cts flow control"); | |
5c09d144 DB |
2181 | } |
2182 | ||
2183 | } else { | |
1da177e4 LT |
2184 | /* |
2185 | * Xon/Xoff code | |
2186 | * | |
464cbb24 AC |
2187 | * Check the IXOFF status in the iflag component of the |
2188 | * termios structure. If IXOFF is not set, the pre-xon/xoff | |
2189 | * code is executed. | |
2190 | */ | |
1da177e4 | 2191 | if (iflag & IXOFF) { |
464cbb24 AC |
2192 | dbg("%s request to enable xonxoff iflag=%04x", |
2193 | __func__, iflag); | |
2194 | /* Try to enable the XON/XOFF on the ftdi_sio | |
2195 | * Set the vstart and vstop -- could have been done up | |
2196 | * above where a lot of other dereferencing is done but | |
2197 | * that would be very inefficient as vstart and vstop | |
2198 | * are not always needed. | |
2199 | */ | |
669a6db1 AC |
2200 | vstart = termios->c_cc[VSTART]; |
2201 | vstop = termios->c_cc[VSTOP]; | |
464cbb24 | 2202 | urb_value = (vstop << 8) | (vstart); |
1da177e4 LT |
2203 | |
2204 | if (usb_control_msg(dev, | |
2205 | usb_sndctrlpipe(dev, 0), | |
2206 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, | |
2207 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, | |
2208 | urb_value , (FTDI_SIO_XON_XOFF_HS | |
2209 | | priv->interface), | |
2210 | buf, 0, WDR_TIMEOUT) < 0) { | |
2211 | err("urb failed to set to xon/xoff flow control"); | |
2212 | } | |
2213 | } else { | |
464cbb24 AC |
2214 | /* else clause to only run if cflag ! CRTSCTS and iflag |
2215 | * ! XOFF. CHECKME Assuming XON/XOFF handled by tty | |
2216 | * stack - not by device */ | |
441b62c1 | 2217 | dbg("%s Turning off hardware flow control", __func__); |
5c09d144 | 2218 | if (usb_control_msg(dev, |
1da177e4 | 2219 | usb_sndctrlpipe(dev, 0), |
5c09d144 | 2220 | FTDI_SIO_SET_FLOW_CTRL_REQUEST, |
1da177e4 | 2221 | FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, |
5c09d144 | 2222 | 0, priv->interface, |
1da177e4 LT |
2223 | buf, 0, WDR_TIMEOUT) < 0) { |
2224 | err("urb failed to clear flow control"); | |
5c09d144 | 2225 | } |
1da177e4 | 2226 | } |
5c09d144 | 2227 | |
1da177e4 LT |
2228 | } |
2229 | return; | |
95da310e | 2230 | } |
1da177e4 | 2231 | |
95da310e | 2232 | static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 2233 | { |
95da310e | 2234 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2235 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2236 | unsigned char buf[2]; | |
2237 | int ret; | |
2238 | ||
441b62c1 | 2239 | dbg("%s TIOCMGET", __func__); |
1da177e4 LT |
2240 | switch (priv->chip_type) { |
2241 | case SIO: | |
2242 | /* Request the status from the device */ | |
464cbb24 AC |
2243 | ret = usb_control_msg(port->serial->dev, |
2244 | usb_rcvctrlpipe(port->serial->dev, 0), | |
2245 | FTDI_SIO_GET_MODEM_STATUS_REQUEST, | |
2246 | FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, | |
2247 | 0, 0, | |
2248 | buf, 1, WDR_TIMEOUT); | |
2249 | if (ret < 0) { | |
441b62c1 | 2250 | err("%s Could not get modem status of device - err: %d", __func__, |
1da177e4 | 2251 | ret); |
464cbb24 | 2252 | return ret; |
1da177e4 LT |
2253 | } |
2254 | break; | |
2255 | case FT8U232AM: | |
2256 | case FT232BM: | |
2257 | case FT2232C: | |
ed6e5282 | 2258 | case FT232RL: |
464cbb24 AC |
2259 | /* the 8U232AM returns a two byte value (the sio is a 1 byte |
2260 | value) - in the same format as the data returned from the in | |
2261 | point */ | |
2262 | ret = usb_control_msg(port->serial->dev, | |
2263 | usb_rcvctrlpipe(port->serial->dev, 0), | |
2264 | FTDI_SIO_GET_MODEM_STATUS_REQUEST, | |
2265 | FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, | |
2266 | 0, priv->interface, | |
2267 | buf, 2, WDR_TIMEOUT); | |
2268 | if (ret < 0) { | |
441b62c1 | 2269 | err("%s Could not get modem status of device - err: %d", __func__, |
1da177e4 | 2270 | ret); |
464cbb24 | 2271 | return ret; |
1da177e4 LT |
2272 | } |
2273 | break; | |
2274 | default: | |
2275 | return -EFAULT; | |
2276 | break; | |
2277 | } | |
5c09d144 | 2278 | |
1da177e4 LT |
2279 | return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) | |
2280 | (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) | | |
2281 | (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) | | |
2282 | (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) | | |
5c09d144 | 2283 | priv->last_dtr_rts; |
1da177e4 LT |
2284 | } |
2285 | ||
464cbb24 | 2286 | static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, |
95da310e | 2287 | unsigned int set, unsigned int clear) |
1da177e4 | 2288 | { |
95da310e | 2289 | struct usb_serial_port *port = tty->driver_data; |
441b62c1 | 2290 | dbg("%s TIOCMSET", __func__); |
74ede0ff | 2291 | return update_mctrl(port, set, clear); |
1da177e4 LT |
2292 | } |
2293 | ||
2294 | ||
464cbb24 AC |
2295 | static int ftdi_ioctl(struct tty_struct *tty, struct file *file, |
2296 | unsigned int cmd, unsigned long arg) | |
1da177e4 | 2297 | { |
95da310e | 2298 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2299 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2300 | ||
441b62c1 | 2301 | dbg("%s cmd 0x%04x", __func__, cmd); |
1da177e4 LT |
2302 | |
2303 | /* Based on code from acm.c and others */ | |
2304 | switch (cmd) { | |
2305 | ||
1da177e4 | 2306 | case TIOCGSERIAL: /* gets serial port data */ |
464cbb24 AC |
2307 | return get_serial_info(port, |
2308 | (struct serial_struct __user *) arg); | |
1da177e4 LT |
2309 | |
2310 | case TIOCSSERIAL: /* sets serial port data */ | |
464cbb24 AC |
2311 | return set_serial_info(tty, port, |
2312 | (struct serial_struct __user *) arg); | |
1da177e4 LT |
2313 | |
2314 | /* | |
2315 | * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change | |
2316 | * - mask passed in arg for lines of interest | |
2317 | * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) | |
2318 | * Caller should use TIOCGICOUNT to see which one it was. | |
2319 | * | |
2320 | * This code is borrowed from linux/drivers/char/serial.c | |
2321 | */ | |
2322 | case TIOCMIWAIT: | |
2323 | while (priv != NULL) { | |
2324 | interruptible_sleep_on(&priv->delta_msr_wait); | |
2325 | /* see if a signal did it */ | |
2326 | if (signal_pending(current)) | |
2327 | return -ERESTARTSYS; | |
2328 | else { | |
2329 | char diff = priv->diff_status; | |
2330 | ||
464cbb24 | 2331 | if (diff == 0) |
1da177e4 | 2332 | return -EIO; /* no change => error */ |
1da177e4 LT |
2333 | |
2334 | /* Consume all events */ | |
2335 | priv->diff_status = 0; | |
2336 | ||
464cbb24 AC |
2337 | /* Return 0 if caller wanted to know about |
2338 | these bits */ | |
2339 | if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) || | |
2340 | ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) || | |
2341 | ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) || | |
2342 | ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) { | |
1da177e4 LT |
2343 | return 0; |
2344 | } | |
2345 | /* | |
464cbb24 AC |
2346 | * Otherwise caller can't care less about what |
2347 | * happened,and so we continue to wait for more | |
2348 | * events. | |
1da177e4 LT |
2349 | */ |
2350 | } | |
2351 | } | |
95da310e | 2352 | return 0; |
1da177e4 LT |
2353 | default: |
2354 | break; | |
1da177e4 | 2355 | } |
464cbb24 AC |
2356 | /* This is not necessarily an error - turns out the higher layers |
2357 | * will do some ioctls themselves (see comment above) | |
1da177e4 | 2358 | */ |
441b62c1 | 2359 | dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd); |
95da310e AC |
2360 | return -ENOIOCTLCMD; |
2361 | } | |
1da177e4 | 2362 | |
95da310e | 2363 | static void ftdi_throttle(struct tty_struct *tty) |
1da177e4 | 2364 | { |
95da310e | 2365 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2366 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2367 | unsigned long flags; | |
2368 | ||
441b62c1 | 2369 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2370 | |
2371 | spin_lock_irqsave(&priv->rx_lock, flags); | |
2372 | priv->rx_flags |= THROTTLED; | |
2373 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2374 | } | |
2375 | ||
2376 | ||
95da310e | 2377 | static void ftdi_unthrottle(struct tty_struct *tty) |
1da177e4 | 2378 | { |
95da310e | 2379 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
2380 | struct ftdi_private *priv = usb_get_serial_port_data(port); |
2381 | int actually_throttled; | |
2382 | unsigned long flags; | |
2383 | ||
441b62c1 | 2384 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
2385 | |
2386 | spin_lock_irqsave(&priv->rx_lock, flags); | |
2387 | actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED; | |
2388 | priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); | |
2389 | spin_unlock_irqrestore(&priv->rx_lock, flags); | |
2390 | ||
2391 | if (actually_throttled) | |
c4028958 | 2392 | schedule_delayed_work(&priv->rx_work, 0); |
1da177e4 LT |
2393 | } |
2394 | ||
464cbb24 | 2395 | static int __init ftdi_init(void) |
1da177e4 LT |
2396 | { |
2397 | int retval; | |
2398 | ||
441b62c1 | 2399 | dbg("%s", __func__); |
fdcb0a0f IA |
2400 | if (vendor > 0 && product > 0) { |
2401 | /* Add user specified VID/PID to reserved element of table. */ | |
2402 | int i; | |
2403 | for (i = 0; id_table_combined[i].idVendor; i++) | |
2404 | ; | |
2405 | id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; | |
2406 | id_table_combined[i].idVendor = vendor; | |
2407 | id_table_combined[i].idProduct = product; | |
2408 | } | |
8f977e42 | 2409 | retval = usb_serial_register(&ftdi_sio_device); |
1da177e4 | 2410 | if (retval) |
8f977e42 | 2411 | goto failed_sio_register; |
1da177e4 | 2412 | retval = usb_register(&ftdi_driver); |
5c09d144 | 2413 | if (retval) |
1da177e4 LT |
2414 | goto failed_usb_register; |
2415 | ||
2416 | info(DRIVER_VERSION ":" DRIVER_DESC); | |
2417 | return 0; | |
2418 | failed_usb_register: | |
8f977e42 IA |
2419 | usb_serial_deregister(&ftdi_sio_device); |
2420 | failed_sio_register: | |
1da177e4 LT |
2421 | return retval; |
2422 | } | |
2423 | ||
2424 | ||
464cbb24 | 2425 | static void __exit ftdi_exit(void) |
1da177e4 LT |
2426 | { |
2427 | ||
441b62c1 | 2428 | dbg("%s", __func__); |
1da177e4 | 2429 | |
464cbb24 AC |
2430 | usb_deregister(&ftdi_driver); |
2431 | usb_serial_deregister(&ftdi_sio_device); | |
1da177e4 LT |
2432 | |
2433 | } | |
2434 | ||
2435 | ||
2436 | module_init(ftdi_init); | |
2437 | module_exit(ftdi_exit); | |
2438 | ||
464cbb24 AC |
2439 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2440 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2441 | MODULE_LICENSE("GPL"); |
2442 | ||
2443 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
2444 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
fdcb0a0f IA |
2445 | module_param(vendor, ushort, 0); |
2446 | MODULE_PARM_DESC(vendor, "User specified vendor ID (default=" | |
2447 | __MODULE_STRING(FTDI_VID)")"); | |
2448 | module_param(product, ushort, 0); | |
2449 | MODULE_PARM_DESC(vendor, "User specified product ID"); | |
1da177e4 | 2450 |