Merge from vendor branch LIBARCHIVE:
[dragonfly.git] / sys / dev / usbmisc / uftdi / uftdi.c
1 /*
2  * $NetBSD: uftdi.c,v 1.13 2002/09/23 05:51:23 simonb Exp $
3  * $FreeBSD: src/sys/dev/usb/uftdi.c,v 1.37 2007/06/22 05:53:05 imp Exp $
4  * $DragonFly: src/sys/dev/usbmisc/uftdi/uftdi.c,v 1.19 2007/09/19 13:54:28 hasso Exp $
5  */
6
7 /*-
8  * Copyright (c) 2000 The NetBSD Foundation, Inc.
9  * All rights reserved.
10  *
11  * This code is derived from software contributed to The NetBSD Foundation
12  * by Lennart Augustsson (lennart@augustsson.net).
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  * 3. All advertising materials mentioning features or use of this software
23  *    must display the following acknowledgement:
24  *        This product includes software developed by the NetBSD
25  *        Foundation, Inc. and its contributors.
26  * 4. Neither the name of The NetBSD Foundation nor the names of its
27  *    contributors may be used to endorse or promote products derived
28  *    from this software without specific prior written permission.
29  *
30  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
31  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
32  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
33  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
34  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
35  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
36  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
37  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
38  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40  * POSSIBILITY OF SUCH DAMAGE.
41  */
42
43 /*
44  * FTDI FT8U100AX serial adapter driver
45  */
46
47 #include <sys/cdefs.h>
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/malloc.h>
53 #include <sys/module.h>
54 #include <sys/bus.h>
55 #include <sys/ioccom.h>
56 #include <sys/fcntl.h>
57 #include <sys/conf.h>
58 #include <sys/tty.h>
59 #include <sys/file.h>
60
61 #include <sys/select.h>
62
63 #include <sys/sysctl.h>
64
65 #include <bus/usb/usb.h>
66 #include <bus/usb/usbhid.h>
67
68 #include <bus/usb/usbdi.h>
69 #include <bus/usb/usbdi_util.h>
70 #include <bus/usb/usbdevs.h>
71
72 #include "../ucom/ucomvar.h"
73
74 #include "uftdireg.h"
75
76 #ifdef USB_DEBUG
77 static int uftdidebug = 0;
78 SYSCTL_NODE(_hw_usb, OID_AUTO, uftdi, CTLFLAG_RW, 0, "USB uftdi");
79 SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debug, CTLFLAG_RW,
80            &uftdidebug, 0, "uftdi debug level");
81 #define DPRINTF(x)      do { \
82                                 if (uftdidebug) \
83                                         kprintf x; \
84                         } while (0)
85
86 #define DPRINTFN(n, x)  do { \
87                                 if (uftdidebug > (n)) \
88                                         kprintf x; \
89                         } while (0)
90
91 #else
92 #define DPRINTF(x)
93 #define DPRINTFN(n,x)
94 #endif
95
96 #define UFTDI_CONFIG_INDEX      0
97 #define UFTDI_IFACE_INDEX       0
98
99 /*
100  * These are the maximum number of bytes transferred per frame.
101  * The output buffer size cannot be increased due to the size encoding.
102  */
103 #define UFTDIIBUFSIZE 64
104 #define UFTDIOBUFSIZE 64
105
106 struct uftdi_softc {
107         struct ucom_softc       sc_ucom;
108         usbd_interface_handle   sc_iface;       /* interface */
109         enum uftdi_type         sc_type;
110         u_int                   sc_hdrlen;
111         u_char                  sc_msr;
112         u_char                  sc_lsr;
113         u_int                   last_lcr;
114 };
115
116 static void     uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
117 static void     uftdi_set(void *, int, int, int);
118 static int      uftdi_param(void *, int, struct termios *);
119 static int      uftdi_open(void *sc, int portno);
120 static void     uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
121 static void     uftdi_write(void *sc, int portno, u_char *to, u_char *from,
122                             u_int32_t *count);
123 static void     uftdi_break(void *sc, int portno, int onoff);
124 static int      uftdi_8u232am_getrate(speed_t speed, int *rate);
125
126 struct ucom_callback uftdi_callback = {
127         uftdi_get_status,
128         uftdi_set,
129         uftdi_param,
130         NULL,
131         uftdi_open,
132         NULL,
133         uftdi_read,
134         uftdi_write,
135 };
136
137 static const struct usb_devno uftdi_devs[] = {
138         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_232USB9M },
139         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_485USB9F2W },
140         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_485USB9F4W },
141         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USO9ML2 },
142         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USO9ML2DR },
143         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USO9ML2DR2 },
144         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USOPTL4 },
145         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USOPTL4DR },
146         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USOPTL4DR2 },
147         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USOTL4 },
148         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USPTL4 },
149         { USB_VENDOR_BBELECTR, USB_PRODUCT_BBELECTR_USTL4 },
150         { USB_VENDOR_EVOLUTION, USB_PRODUCT_EVOLUTION_ER1 },
151         { USB_VENDOR_EVOLUTION, USB_PRODUCT_EVOLUTION_RCM4_1 },
152         { USB_VENDOR_EVOLUTION, USB_PRODUCT_EVOLUTION_RCM4_2 },
153         { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA },
154         { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST },
155         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ACCESSO },
156         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ACG_HFDUAL },
157         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ACTROBOTS },
158         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ACTZWAVE },
159         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_AMC232 },
160         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ARTEMIS },
161         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_1 },
162         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_2 },
163         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_3 },
164         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_4 },
165         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_5 },
166         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_6 },
167         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_7 },
168         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ASK_RDR4X7_8 },
169         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ATK16 },
170         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ATK16C },
171         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ATK16HR },
172         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ATK16HRC },
173         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CANUSB },
174         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CCS_ICDU20 },
175         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CCS_ICDU40 },
176         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CCS_MACHX },
177         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_547 },
178         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_631 },
179         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_632 },
180         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_633 },
181         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_634 },
182         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_635 },
183         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_640 },
184         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_642 },
185         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CHAMELEON },
186         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_DMX4ALL },
187         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ECLO_1WIRE },
188         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ECO_PRO },
189         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_EISCOU },
190         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_ALC8500 },
191         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_FHZ1000PC },
192         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_UM100 },
193         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_UO100 },
194         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_UR100 },
195         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_EMCU2D },
196         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_EMCU2H },
197         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT2232 },
198         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_1 },
199         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_2 },
200         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_3 },
201         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_4 },
202         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_5 },
203         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_6 },
204         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT8U100AX },
205         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GAMMASCOUT },
206         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_1 },
207         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_2 },
208         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_3 },
209         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_4 },
210         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_5 },
211         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_6 },
212         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_7 },
213         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_8 },
214         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_9 },
215         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_A },
216         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_B },
217         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_1 },
218         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_APP70 },
219         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PCMCIA },
220         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PEDO },
221         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PICPRO },
222         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PK1 },
223         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_RS232MON },
224         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_US485 },
225         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IPLUS },
226         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_1 },
227         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_2 },
228         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_3 },
229         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_MASTER2 },
230         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_SDMUSBQSS },
231         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LOCOBUFFER },
232         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_1 },
233         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_2 },
234         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_3 },
235         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_LK202 },
236         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_LK204 },
237         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_MX2_3 },
238         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_MX4_5 },
239         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXS_PKGU },
240         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 },
241         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC },
242         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW },
243         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 },
244         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 },
245         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 },
246         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 },
247         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS },
248         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MJS_SIRIUS_PC },
249         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_PCDJ_DAC2 },
250         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_PCMSFU },
251         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_PYRAMID },
252         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 },
253         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 },
254         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TACTRIX_OP_13M },
255         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TACTRIX_OP_13S },
256         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TACTRIX_OP_13U },
257         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TERATRONIK_D2XX },
258         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TERATRONIK_VCP },
259         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_THORLABS },
260         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TIRA1 },
261         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TNCX },
262         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_UOPTBR },
263         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_USBUIRT },
264         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_VNHC },
265         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_WESTREX_777 },
266         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_WESTREX_8900F },
267         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_1 },
268         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_2 },
269         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_3 },
270         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_4 },
271         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_5 },
272         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_6 },
273         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_7 },
274         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_8 },
275         { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_YEI_SC31 },
276         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_ID1 },
277         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2000VR },
278         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2000VT },
279         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2C1 },
280         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2C2 },
281         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2D },
282         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2VR },
283         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2VT },
284         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP4000VR },
285         { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP4000VT },
286         { USB_VENDOR_IDTECH, USB_PRODUCT_IDTECH_SERIAL },
287         { USB_VENDOR_INTERBIO, USB_PRODUCT_INTERBIO_IOBOARD },
288         { USB_VENDOR_INTERBIO, USB_PRODUCT_INTERBIO_MINIIOBOARD },
289         { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN },
290         { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI },
291         { USB_VENDOR_KOBIL, USB_PRODUCT_KOBIL_B1 },
292         { USB_VENDOR_KOBIL, USB_PRODUCT_KOBIL_KAAN },
293         { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 },
294         { USB_VENDOR_MOBILITY, USB_PRODUCT_MOBILITY_ED200H },
295         { USB_VENDOR_OCT, USB_PRODUCT_OCT_US101 },
296         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_AD4USB },
297         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_AP485_1 },
298         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_AP485_2 },
299         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_DRAK5 },
300         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_DRAK6 },
301         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_GOLIATH_MSR },
302         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_GOLIATH_MUX },
303         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_IRAMP },
304         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_LEC },
305         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_MUC },
306         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO101 },
307         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO216 },
308         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO22 },
309         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO303 },
310         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO332 },
311         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO44 },
312         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO603 },
313         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO88 },
314         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB232 },
315         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB422_1 },
316         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB422_2 },
317         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485C },
318         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485S },
319         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485_1 },
320         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485_2 },
321         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SERIAL },
322         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SIMUKEY },
323         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_STAVOVY },
324         { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_TMU },
325         { USB_VENDOR_POSIFLEX, USB_PRODUCT_POSIFLEX_PP7000_1 },
326         { USB_VENDOR_POSIFLEX, USB_PRODUCT_POSIFLEX_PP7000_2 },
327         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2101 },
328         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2102 },
329         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2103 },
330         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2104 },
331         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2106 },
332         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2201_1 },
333         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2201_2 },
334         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2202_1 },
335         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2202_2 },
336         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2203_1 },
337         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2203_2 },
338         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_1 },
339         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_2 },
340         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_3 },
341         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_4 },
342         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_1 },
343         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_2 },
344         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_3 },
345         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_4 },
346         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_1 },
347         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_2 },
348         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_3 },
349         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_4 },
350         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_1 },
351         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_2 },
352         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_3 },
353         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_4 },
354         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_5 },
355         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_6 },
356         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_7 },
357         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_8 },
358         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_1 },
359         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_2 },
360         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_3 },
361         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_4 },
362         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_5 },
363         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_6 },
364         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_7 },
365         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_8 },
366         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_1 },
367         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_2 },
368         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_3 },
369         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_4 },
370         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_5 },
371         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_6 },
372         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_7 },
373         { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_8 },
374         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_174 },
375         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_175 },
376         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_330 },
377         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_435 },
378         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_556 },
379         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_580 },
380         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_845 },
381         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_SERIAL_1 },
382         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_SERIAL_2 },
383         { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_SERVICE },
384         { USB_VENDOR_THURLBY, USB_PRODUCT_THURLBY_QL355P },
385         { 0, 0 }
386 };
387
388 static int
389 uftdi_match(device_t self)
390 {
391         struct usb_attach_arg *uaa = device_get_ivars(self);
392         usbd_status err;
393         u_int8_t nifaces;
394
395         if (usb_lookup(uftdi_devs, uaa->vendor, uaa->product) == NULL)
396                 return (UMATCH_NONE);
397
398         /* Get the number of interfaces. */
399         if (uaa->iface != NULL) {
400                 nifaces = uaa->nifaces;
401         } else {
402                 err = usbd_set_config_index(uaa->device, UFTDI_CONFIG_INDEX, 1);
403                 if (err)
404                         return (UMATCH_NONE);
405                 err = usbd_interface_count(uaa->device, &nifaces);
406                 if (err)
407                         return (UMATCH_NONE);
408                 usbd_set_config_index(uaa->device, USB_UNCONFIG_INDEX, 1);
409         }
410
411         if (nifaces <= 1)
412                 return (UMATCH_VENDOR_PRODUCT);
413
414         /* Dual UART chip */
415         if (uaa->iface != NULL)
416                 return (UMATCH_VENDOR_IFACESUBCLASS);
417         else
418                 return (UMATCH_NONE);
419 }
420
421 static int
422 uftdi_attach(device_t self)
423 {
424         struct uftdi_softc *sc = device_get_softc(self);
425         struct usb_attach_arg *uaa = device_get_ivars(self);
426         usbd_device_handle dev = uaa->device;
427         usbd_interface_handle iface;
428         usb_interface_descriptor_t *id;
429         usb_endpoint_descriptor_t *ed;
430         char *devinfo;
431         int i;
432         usbd_status err;
433         struct ucom_softc *ucom = &sc->sc_ucom;
434         DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
435         devinfo = kmalloc(1024, M_USBDEV, M_INTWAIT);
436
437         ucom->sc_dev = self;
438         ucom->sc_udev = dev;
439
440         usbd_devinfo(dev, 0, devinfo);
441         device_printf(ucom->sc_dev, "%s\n", devinfo);
442         kfree(devinfo, M_USBDEV);
443
444         if (uaa->iface == NULL) {
445                 /* Move the device into the configured state. */
446                 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
447                 if (err) {
448                         device_printf(ucom->sc_dev,
449                             "failed to set configuration, err=%s\n",
450                             usbd_errstr(err));
451                         goto bad;
452                 }
453
454                 err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
455                 if (err) {
456                         device_printf(ucom->sc_dev,
457                             "failed to get interface, err=%s\n", usbd_errstr(err));
458                         goto bad;
459                 }
460         } else {
461                 iface = uaa->iface;
462         }
463
464         id = usbd_get_interface_descriptor(iface);
465         ucom->sc_iface = iface;
466
467         if (uaa->release < 0x0200) {
468                 sc->sc_type = UFTDI_TYPE_SIO;
469                 sc->sc_hdrlen = 1;
470         } else {
471                 sc->sc_type = UFTDI_TYPE_8U232AM;
472                 sc->sc_hdrlen = 0;
473         }
474
475         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
476
477         for (i = 0; i < id->bNumEndpoints; i++) {
478                 int addr, dir, attr;
479                 ed = usbd_interface2endpoint_descriptor(iface, i);
480                 if (ed == NULL) {
481                         device_printf(ucom->sc_dev,
482                             "could not read endpoint descriptor\n");
483                         goto bad;
484                 }
485
486                 addr = ed->bEndpointAddress;
487                 dir = UE_GET_DIR(ed->bEndpointAddress);
488                 attr = ed->bmAttributes & UE_XFERTYPE;
489                 if (dir == UE_DIR_IN && attr == UE_BULK)
490                         ucom->sc_bulkin_no = addr;
491                 else if (dir == UE_DIR_OUT && attr == UE_BULK)
492                         ucom->sc_bulkout_no = addr;
493                 else {
494                         device_printf(ucom->sc_dev, "unexpected endpoint\n");
495                         goto bad;
496                 }
497         }
498         if (ucom->sc_bulkin_no == -1) {
499                 device_printf(ucom->sc_dev, "Could not find data bulk in\n");
500                 goto bad;
501         }
502         if (ucom->sc_bulkout_no == -1) {
503                 device_printf(ucom->sc_dev, "Could not find data bulk out\n");
504                 goto bad;
505         }
506         ucom->sc_parent  = sc;
507         if (uaa->iface == NULL)
508                 ucom->sc_portno = FTDI_PIT_SIOA;
509         else
510                 ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
511         /* bulkin, bulkout set above */
512
513         ucom->sc_ibufsize = UFTDIIBUFSIZE;
514         ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
515         ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
516         ucom->sc_opkthdrlen = sc->sc_hdrlen;
517
518
519         ucom->sc_callback = &uftdi_callback;
520 #if 0
521         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
522           ucom->sc_dev);
523 #endif
524         DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
525         ucom_attach(&sc->sc_ucom);
526         return 0;
527
528 bad:
529         DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
530         ucom->sc_dying = 1;
531         return ENXIO;
532 }
533 #if 0
534 int
535 uftdi_activate(device_t self, enum devact act)
536 {
537         struct uftdi_softc *sc = (struct uftdi_softc *)self;
538         int rv = 0;
539
540         switch (act) {
541         case DVACT_ACTIVATE:
542                 return (EOPNOTSUPP);
543
544         case DVACT_DEACTIVATE:
545                 if (sc->sc_subdev != NULL)
546                         rv = config_deactivate(sc->sc_subdev);
547                 sc->sc_ucom.sc_dying = 1;
548                 break;
549         }
550         return (rv);
551 }
552 #endif
553
554 static int
555 uftdi_detach(device_t self)
556 {
557         struct uftdi_softc *sc = device_get_softc(self);
558
559         int rv = 0;
560
561         DPRINTF(("uftdi_detach: sc=%p\n", sc));
562         sc->sc_ucom.sc_dying = 1;
563         rv = ucom_detach(&sc->sc_ucom);
564
565         return rv;
566 }
567
568 static int
569 uftdi_open(void *vsc, int portno)
570 {
571         struct uftdi_softc *sc = vsc;
572         struct ucom_softc *ucom = &sc->sc_ucom;
573         usb_device_request_t req;
574         usbd_status err;
575         struct termios t;
576
577         DPRINTF(("uftdi_open: sc=%p\n", sc));
578
579         if (ucom->sc_dying)
580                 return (EIO);
581
582         /* Perform a full reset on the device */
583         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
584         req.bRequest = FTDI_SIO_RESET;
585         USETW(req.wValue, FTDI_SIO_RESET_SIO);
586         USETW(req.wIndex, portno);
587         USETW(req.wLength, 0);
588         err = usbd_do_request(ucom->sc_udev, &req, NULL);
589         if (err)
590                 return (EIO);
591
592         /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
593         t.c_ospeed = 9600;
594         t.c_cflag = CSTOPB | CS8;
595         (void)uftdi_param(sc, portno, &t);
596
597         /* Turn on RTS/CTS flow control */
598         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
599         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
600         USETW(req.wValue, 0);
601         USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
602         USETW(req.wLength, 0);
603         err = usbd_do_request(ucom->sc_udev, &req, NULL);
604         if (err)
605                 return (EIO);
606
607         return (0);
608 }
609
610 static void
611 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
612 {
613         struct uftdi_softc *sc = vsc;
614         u_char msr, lsr;
615
616         DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
617                      *count));
618
619         msr = FTDI_GET_MSR(*ptr);
620         lsr = FTDI_GET_LSR(*ptr);
621
622 #ifdef USB_DEBUG
623         if (*count != 2)
624                 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
625                             "0x%02x\n", sc, portno, *count, (*ptr)[2]));
626 #endif
627
628         if (sc->sc_msr != msr ||
629             (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
630                 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
631                          "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
632                          lsr, sc->sc_lsr));
633                 sc->sc_msr = msr;
634                 sc->sc_lsr = lsr;
635                 ucom_status_change(&sc->sc_ucom);
636         }
637
638         /* Pick up status and adjust data part. */
639         *ptr += 2;
640         *count -= 2;
641 }
642
643 static void
644 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
645 {
646         struct uftdi_softc *sc = vsc;
647
648         DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
649                      vsc, portno, *count, from[0]));
650
651         /* Make length tag and copy data */
652         if (sc->sc_hdrlen > 0)
653                 *to = FTDI_OUT_TAG(*count, portno);
654
655         memcpy(to + sc->sc_hdrlen, from, *count);
656         *count += sc->sc_hdrlen;
657 }
658
659 static void
660 uftdi_set(void *vsc, int portno, int reg, int onoff)
661 {
662         struct uftdi_softc *sc = vsc;
663         struct ucom_softc *ucom = vsc;
664         usb_device_request_t req;
665         int ctl;
666
667         DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
668                  reg, onoff));
669
670         switch (reg) {
671         case UCOM_SET_DTR:
672                 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
673                 break;
674         case UCOM_SET_RTS:
675                 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
676                 break;
677         case UCOM_SET_BREAK:
678                 uftdi_break(sc, portno, onoff);
679                 return;
680         default:
681                 return;
682         }
683         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
684         req.bRequest = FTDI_SIO_MODEM_CTRL;
685         USETW(req.wValue, ctl);
686         USETW(req.wIndex, portno);
687         USETW(req.wLength, 0);
688         DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
689                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
690                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
691         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
692 }
693
694 static int
695 uftdi_param(void *vsc, int portno, struct termios *t)
696 {
697         struct uftdi_softc *sc = vsc;
698         struct ucom_softc *ucom = &sc->sc_ucom;
699         usb_device_request_t req;
700         usbd_status err;
701         int rate=0, data, flow;
702
703         DPRINTF(("uftdi_param: sc=%p\n", sc));
704
705         if (ucom->sc_dying)
706                 return (EIO);
707
708         switch (sc->sc_type) {
709         case UFTDI_TYPE_SIO:
710                 switch (t->c_ospeed) {
711                 case 300: rate = ftdi_sio_b300; break;
712                 case 600: rate = ftdi_sio_b600; break;
713                 case 1200: rate = ftdi_sio_b1200; break;
714                 case 2400: rate = ftdi_sio_b2400; break;
715                 case 4800: rate = ftdi_sio_b4800; break;
716                 case 9600: rate = ftdi_sio_b9600; break;
717                 case 19200: rate = ftdi_sio_b19200; break;
718                 case 38400: rate = ftdi_sio_b38400; break;
719                 case 57600: rate = ftdi_sio_b57600; break;
720                 case 115200: rate = ftdi_sio_b115200; break;
721                 default:
722                         return (EINVAL);
723                 }
724                 break;
725
726         case UFTDI_TYPE_8U232AM:
727                 if (uftdi_8u232am_getrate(t->c_ospeed, &rate) == -1)
728                         return (EINVAL);
729                 break;
730         }
731         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
732         req.bRequest = FTDI_SIO_SET_BAUD_RATE;
733         USETW(req.wValue, rate);
734         USETW(req.wIndex, portno);
735         USETW(req.wLength, 0);
736         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
737                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
738                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
739         err = usbd_do_request(ucom->sc_udev, &req, NULL);
740         if (err)
741                 return (EIO);
742
743         if (ISSET(t->c_cflag, CSTOPB))
744                 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
745         else
746                 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
747         if (ISSET(t->c_cflag, PARENB)) {
748                 if (ISSET(t->c_cflag, PARODD))
749                         data |= FTDI_SIO_SET_DATA_PARITY_ODD;
750                 else
751                         data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
752         } else
753                 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
754         switch (ISSET(t->c_cflag, CSIZE)) {
755         case CS5:
756                 data |= FTDI_SIO_SET_DATA_BITS(5);
757                 break;
758         case CS6:
759                 data |= FTDI_SIO_SET_DATA_BITS(6);
760                 break;
761         case CS7:
762                 data |= FTDI_SIO_SET_DATA_BITS(7);
763                 break;
764         case CS8:
765                 data |= FTDI_SIO_SET_DATA_BITS(8);
766                 break;
767         }
768         sc->last_lcr = data;
769
770         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
771         req.bRequest = FTDI_SIO_SET_DATA;
772         USETW(req.wValue, data);
773         USETW(req.wIndex, portno);
774         USETW(req.wLength, 0);
775         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
776                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
777                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
778         err = usbd_do_request(ucom->sc_udev, &req, NULL);
779         if (err)
780                 return (EIO);
781
782         if (ISSET(t->c_cflag, CRTSCTS)) {
783                 flow = FTDI_SIO_RTS_CTS_HS;
784                 USETW(req.wValue, 0);
785         } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
786                 flow = FTDI_SIO_XON_XOFF_HS;
787                 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
788         } else {
789                 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
790                 USETW(req.wValue, 0);
791         }
792         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
793         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
794         USETW2(req.wIndex, flow, portno);
795         USETW(req.wLength, 0);
796         err = usbd_do_request(ucom->sc_udev, &req, NULL);
797         if (err)
798                 return (EIO);
799
800         return (0);
801 }
802
803 void
804 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
805 {
806         struct uftdi_softc *sc = vsc;
807
808         DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
809                  sc->sc_msr, sc->sc_lsr));
810
811         if (msr != NULL)
812                 *msr = sc->sc_msr;
813         if (lsr != NULL)
814                 *lsr = sc->sc_lsr;
815 }
816
817 void
818 uftdi_break(void *vsc, int portno, int onoff)
819 {
820         struct uftdi_softc *sc = vsc;
821         struct ucom_softc *ucom = vsc;
822
823         usb_device_request_t req;
824         int data;
825
826         DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
827                   onoff));
828
829         if (onoff) {
830                 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
831         } else {
832                 data = sc->last_lcr;
833         }
834
835         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
836         req.bRequest = FTDI_SIO_SET_DATA;
837         USETW(req.wValue, data);
838         USETW(req.wIndex, portno);
839         USETW(req.wLength, 0);
840         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
841 }
842
843 static int
844 uftdi_8u232am_getrate(speed_t speed, int *rate)
845 {
846         /* Table of the nearest even powers-of-2 for values 0..15. */
847         static const unsigned char roundoff[16] = {
848                 0, 2, 2, 4,  4,  4,  8,  8,
849                 8, 8, 8, 8, 16, 16, 16, 16,
850         };
851
852         unsigned int d, freq;
853         int result;
854
855         if (speed <= 0)
856                 return (-1);
857
858         /* Special cases for 2M and 3M. */
859         if (speed >= 3000000 * 100 / 103 &&
860             speed <= 3000000 * 100 / 97) {
861                 result = 0;
862                 goto done;
863         }
864         if (speed >= 2000000 * 100 / 103 &&
865             speed <= 2000000 * 100 / 97) {
866                 result = 1;
867                 goto done;
868         }
869
870         d = (FTDI_8U232AM_FREQ << 4) / speed;
871         d = (d & ~15) + roundoff[d & 15];
872
873         if (d < FTDI_8U232AM_MIN_DIV)
874                 d = FTDI_8U232AM_MIN_DIV;
875         else if (d > FTDI_8U232AM_MAX_DIV)
876                 d = FTDI_8U232AM_MAX_DIV;
877
878         /* 
879          * Calculate the frequency needed for d to exactly divide down
880          * to our target speed, and check that the actual frequency is
881          * within 3% of this.
882          */
883         freq = speed * d;
884         if (freq < (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 103 ||
885             freq > (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 97)
886                 return (-1);
887
888         /* 
889          * Pack the divisor into the resultant value.  The lower
890          * 14-bits hold the integral part, while the upper 2 bits
891          * encode the fractional component: either 0, 0.5, 0.25, or
892          * 0.125.
893          */
894         result = d >> 4;
895         if (d & 8)
896                 result |= 0x4000;
897         else if (d & 4)
898                 result |= 0x8000;
899         else if (d & 2)
900                 result |= 0xc000;
901
902 done:
903         *rate = result;
904         return (0);
905 }
906 static device_method_t uftdi_methods[] = {
907         /* Device interface */
908         DEVMETHOD(device_probe, uftdi_match),
909         DEVMETHOD(device_attach, uftdi_attach),
910         DEVMETHOD(device_detach, uftdi_detach),
911
912         { 0, 0 }
913 };
914
915 static driver_t uftdi_driver = {
916         "ucom",
917         uftdi_methods,
918         sizeof (struct uftdi_softc)
919 };
920
921 DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
922 MODULE_DEPEND(uftdi, usb, 1, 1, 1);
923 MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);