Add many devices to the uftdi(4). Sources of the info are mainly Linux and
[dragonfly/port-amd64.git] / sys / dev / usbmisc / uftdi / uftdi.c
blobbcdbccd9bcf7dfb598dff965464b90f82a41dbe4
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 1.18 2007/09/17 10:31:07 hasso Exp $
5 */
7 /*-
8 * Copyright (c) 2000 The NetBSD Foundation, Inc.
9 * All rights reserved.
11 * This code is derived from software contributed to The NetBSD Foundation
12 * by Lennart Augustsson (lennart@augustsson.net).
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.
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.
44 * FTDI FT8U100AX serial adapter driver
47 #include <sys/cdefs.h>
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>
61 #include <sys/select.h>
63 #include <sys/sysctl.h>
65 #include <bus/usb/usb.h>
66 #include <bus/usb/usbhid.h>
68 #include <bus/usb/usbdi.h>
69 #include <bus/usb/usbdi_util.h>
70 #include <bus/usb/usbdevs.h>
72 #include "../ucom/ucomvar.h"
74 #include "uftdireg.h"
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)
86 #define DPRINTFN(n, x) do { \
87 if (uftdidebug > (n)) \
88 kprintf x; \
89 } while (0)
91 #else
92 #define DPRINTF(x)
93 #define DPRINTFN(n,x)
94 #endif
96 #define UFTDI_CONFIG_INDEX 0
97 #define UFTDI_IFACE_INDEX 0
100 * These are the maximum number of bytes transferred per frame.
101 * The output buffer size cannot be increased due to the size encoding.
103 #define UFTDIIBUFSIZE 64
104 #define UFTDIOBUFSIZE 64
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;
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);
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,
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_631 },
180 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_632 },
181 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_632 },
182 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_633 },
183 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_633 },
184 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_634 },
185 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_634 },
186 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_635 },
187 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_640 },
188 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CFA_642 },
189 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CHAMELEON },
190 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_DMX4ALL },
191 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ECLO_1WIRE },
192 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ECO_PRO },
193 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_EISCOU },
194 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_ALC8500 },
195 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_FHZ1000PC },
196 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_UM100 },
197 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_UO100 },
198 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_ELV_UR100 },
199 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_EMCU2D },
200 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_EMCU2H },
201 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT2232 },
202 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_1 },
203 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_2 },
204 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_3 },
205 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_4 },
206 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_5 },
207 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT232_6 },
208 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_FT8U100AX },
209 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GAMMASCOUT },
210 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_1 },
211 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_2 },
212 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_3 },
213 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_4 },
214 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_5 },
215 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_6 },
216 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_7 },
217 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_8 },
218 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_9 },
219 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_A },
220 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_GUDE_B },
221 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_1 },
222 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_APP70 },
223 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PCMCIA },
224 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PEDO },
225 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PICPRO },
226 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_PK1 },
227 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_RS232MON },
228 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IBS_US485 },
229 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_IPLUS },
230 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_1 },
231 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_2 },
232 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_3 },
233 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_MASTER2 },
234 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LINX_SDMUSBQSS },
235 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LOCOBUFFER },
236 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_1 },
237 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_2 },
238 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_3 },
239 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_LK202 },
240 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_LK204 },
241 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_MX2_3 },
242 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MATRIX_MX4_5 },
243 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXS_PKGU },
244 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 },
245 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC },
246 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW },
247 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 },
248 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 },
249 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 },
250 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 },
251 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS },
252 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MJS_SIRIUS_PC },
253 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_PCDJ_DAC2 },
254 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_PCMSFU },
255 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_PYRAMID },
256 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 },
257 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 },
258 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TACTRIX_OP_13M },
259 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TACTRIX_OP_13S },
260 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TACTRIX_OP_13U },
261 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TERATRONIK_D2XX },
262 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TERATRONIK_VCP },
263 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_THORLABS },
264 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TIRA1 },
265 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_TNCX },
266 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_UOPTBR },
267 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_USBUIRT },
268 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_VNHC },
269 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_WESTREX_777 },
270 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_WESTREX_8900F },
271 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_1 },
272 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_2 },
273 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_3 },
274 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_4 },
275 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_5 },
276 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_6 },
277 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_7 },
278 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_XSENS_8 },
279 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_YEI_SC31 },
280 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_ID1 },
281 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2000VR },
282 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2000VT },
283 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2C1 },
284 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2C2 },
285 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2D },
286 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2VR },
287 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP2VT },
288 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP4000VR },
289 { USB_VENDOR_ICOM, USB_PRODUCT_ICOM_RP4000VT },
290 { USB_VENDOR_IDTECH, USB_PRODUCT_IDTECH_SERIAL },
291 { USB_VENDOR_INTERBIO, USB_PRODUCT_INTERBIO_IOBOARD },
292 { USB_VENDOR_INTERBIO, USB_PRODUCT_INTERBIO_MINIIOBOARD },
293 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN },
294 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI },
295 { USB_VENDOR_KOBIL, USB_PRODUCT_KOBIL_B1 },
296 { USB_VENDOR_KOBIL, USB_PRODUCT_KOBIL_KAAN },
297 { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 },
298 { USB_VENDOR_MOBILITY, USB_PRODUCT_MOBILITY_ED200H },
299 { USB_VENDOR_OCT, USB_PRODUCT_OCT_US101 },
300 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_AD4USB },
301 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_AP485_1 },
302 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_AP485_2 },
303 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_DRAK5 },
304 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_DRAK6 },
305 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_GOLIATH_MSR },
306 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_GOLIATH_MUX },
307 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_IRAMP },
308 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_LEC },
309 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_MUC },
310 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO101 },
311 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO216 },
312 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO22 },
313 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO303 },
314 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO332 },
315 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO44 },
316 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO603 },
317 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_QUIDO88 },
318 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB232 },
319 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB422_1 },
320 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB422_2 },
321 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485C },
322 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485S },
323 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485_1 },
324 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SB485_2 },
325 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SERIAL },
326 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_SIMUKEY },
327 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_STAVOVY },
328 { USB_VENDOR_PAPOUCH, USB_PRODUCT_PAPOUCH_TMU },
329 { USB_VENDOR_POSIFLEX, USB_PRODUCT_POSIFLEX_PP7000_1 },
330 { USB_VENDOR_POSIFLEX, USB_PRODUCT_POSIFLEX_PP7000_2 },
331 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2101 },
332 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2102 },
333 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2103 },
334 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2104 },
335 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2106 },
336 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2201_1 },
337 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2201_2 },
338 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2202_1 },
339 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2202_2 },
340 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2203_1 },
341 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2203_2 },
342 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_1 },
343 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_2 },
344 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_3 },
345 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2401_4 },
346 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_1 },
347 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_2 },
348 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_3 },
349 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2402_4 },
350 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_1 },
351 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_2 },
352 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_3 },
353 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2403_4 },
354 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_1 },
355 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_2 },
356 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_3 },
357 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_4 },
358 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_5 },
359 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_6 },
360 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_7 },
361 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2801_8 },
362 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_1 },
363 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_2 },
364 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_3 },
365 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_4 },
366 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_5 },
367 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_6 },
368 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_7 },
369 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2802_8 },
370 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_1 },
371 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_2 },
372 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_3 },
373 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_4 },
374 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_5 },
375 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_6 },
376 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_7 },
377 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_2803_8 },
378 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_174 },
379 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_175 },
380 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_330 },
381 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_435 },
382 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_556 },
383 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_580 },
384 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_845 },
385 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_SERIAL_1 },
386 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_SERIAL_2 },
387 { USB_VENDOR_TESTO, USB_PRODUCT_TESTO_SERVICE },
388 { USB_VENDOR_THURLBY, USB_PRODUCT_THURLBY_QL355P },
389 { 0, 0 }
392 static int
393 uftdi_match(device_t self)
395 struct usb_attach_arg *uaa = device_get_ivars(self);
396 usbd_status err;
397 u_int8_t nifaces;
399 if (usb_lookup(uftdi_devs, uaa->vendor, uaa->product) == NULL)
400 return (UMATCH_NONE);
402 /* Get the number of interfaces. */
403 if (uaa->iface != NULL) {
404 nifaces = uaa->nifaces;
405 } else {
406 err = usbd_set_config_index(uaa->device, UFTDI_CONFIG_INDEX, 1);
407 if (err)
408 return (UMATCH_NONE);
409 err = usbd_interface_count(uaa->device, &nifaces);
410 if (err)
411 return (UMATCH_NONE);
412 usbd_set_config_index(uaa->device, USB_UNCONFIG_INDEX, 1);
415 if (nifaces <= 1)
416 return (UMATCH_VENDOR_PRODUCT);
418 /* Dual UART chip */
419 if (uaa->iface != NULL)
420 return (UMATCH_VENDOR_IFACESUBCLASS);
421 else
422 return (UMATCH_NONE);
425 static int
426 uftdi_attach(device_t self)
428 struct uftdi_softc *sc = device_get_softc(self);
429 struct usb_attach_arg *uaa = device_get_ivars(self);
430 usbd_device_handle dev = uaa->device;
431 usbd_interface_handle iface;
432 usb_interface_descriptor_t *id;
433 usb_endpoint_descriptor_t *ed;
434 char *devinfo;
435 int i;
436 usbd_status err;
437 struct ucom_softc *ucom = &sc->sc_ucom;
438 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
439 devinfo = kmalloc(1024, M_USBDEV, M_INTWAIT);
441 ucom->sc_dev = self;
442 ucom->sc_udev = dev;
444 usbd_devinfo(dev, 0, devinfo);
445 device_printf(ucom->sc_dev, "%s\n", devinfo);
446 kfree(devinfo, M_USBDEV);
448 if (uaa->iface == NULL) {
449 /* Move the device into the configured state. */
450 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
451 if (err) {
452 device_printf(ucom->sc_dev,
453 "failed to set configuration, err=%s\n",
454 usbd_errstr(err));
455 goto bad;
458 err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
459 if (err) {
460 device_printf(ucom->sc_dev,
461 "failed to get interface, err=%s\n", usbd_errstr(err));
462 goto bad;
464 } else {
465 iface = uaa->iface;
468 id = usbd_get_interface_descriptor(iface);
469 ucom->sc_iface = iface;
471 if (uaa->release < 0x0200) {
472 sc->sc_type = UFTDI_TYPE_SIO;
473 sc->sc_hdrlen = 1;
474 } else {
475 sc->sc_type = UFTDI_TYPE_8U232AM;
476 sc->sc_hdrlen = 0;
479 ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
481 for (i = 0; i < id->bNumEndpoints; i++) {
482 int addr, dir, attr;
483 ed = usbd_interface2endpoint_descriptor(iface, i);
484 if (ed == NULL) {
485 device_printf(ucom->sc_dev,
486 "could not read endpoint descriptor\n");
487 goto bad;
490 addr = ed->bEndpointAddress;
491 dir = UE_GET_DIR(ed->bEndpointAddress);
492 attr = ed->bmAttributes & UE_XFERTYPE;
493 if (dir == UE_DIR_IN && attr == UE_BULK)
494 ucom->sc_bulkin_no = addr;
495 else if (dir == UE_DIR_OUT && attr == UE_BULK)
496 ucom->sc_bulkout_no = addr;
497 else {
498 device_printf(ucom->sc_dev, "unexpected endpoint\n");
499 goto bad;
502 if (ucom->sc_bulkin_no == -1) {
503 device_printf(ucom->sc_dev, "Could not find data bulk in\n");
504 goto bad;
506 if (ucom->sc_bulkout_no == -1) {
507 device_printf(ucom->sc_dev, "Could not find data bulk out\n");
508 goto bad;
510 ucom->sc_parent = sc;
511 if (uaa->iface == NULL)
512 ucom->sc_portno = FTDI_PIT_SIOA;
513 else
514 ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
515 /* bulkin, bulkout set above */
517 ucom->sc_ibufsize = UFTDIIBUFSIZE;
518 ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
519 ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
520 ucom->sc_opkthdrlen = sc->sc_hdrlen;
523 ucom->sc_callback = &uftdi_callback;
524 #if 0
525 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
526 ucom->sc_dev);
527 #endif
528 DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
529 ucom_attach(&sc->sc_ucom);
530 return 0;
532 bad:
533 DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
534 ucom->sc_dying = 1;
535 return ENXIO;
537 #if 0
539 uftdi_activate(device_t self, enum devact act)
541 struct uftdi_softc *sc = (struct uftdi_softc *)self;
542 int rv = 0;
544 switch (act) {
545 case DVACT_ACTIVATE:
546 return (EOPNOTSUPP);
548 case DVACT_DEACTIVATE:
549 if (sc->sc_subdev != NULL)
550 rv = config_deactivate(sc->sc_subdev);
551 sc->sc_ucom.sc_dying = 1;
552 break;
554 return (rv);
556 #endif
558 static int
559 uftdi_detach(device_t self)
561 struct uftdi_softc *sc = device_get_softc(self);
563 int rv = 0;
565 DPRINTF(("uftdi_detach: sc=%p\n", sc));
566 sc->sc_ucom.sc_dying = 1;
567 rv = ucom_detach(&sc->sc_ucom);
569 return rv;
572 static int
573 uftdi_open(void *vsc, int portno)
575 struct uftdi_softc *sc = vsc;
576 struct ucom_softc *ucom = &sc->sc_ucom;
577 usb_device_request_t req;
578 usbd_status err;
579 struct termios t;
581 DPRINTF(("uftdi_open: sc=%p\n", sc));
583 if (ucom->sc_dying)
584 return (EIO);
586 /* Perform a full reset on the device */
587 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
588 req.bRequest = FTDI_SIO_RESET;
589 USETW(req.wValue, FTDI_SIO_RESET_SIO);
590 USETW(req.wIndex, portno);
591 USETW(req.wLength, 0);
592 err = usbd_do_request(ucom->sc_udev, &req, NULL);
593 if (err)
594 return (EIO);
596 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
597 t.c_ospeed = 9600;
598 t.c_cflag = CSTOPB | CS8;
599 (void)uftdi_param(sc, portno, &t);
601 /* Turn on RTS/CTS flow control */
602 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
603 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
604 USETW(req.wValue, 0);
605 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
606 USETW(req.wLength, 0);
607 err = usbd_do_request(ucom->sc_udev, &req, NULL);
608 if (err)
609 return (EIO);
611 return (0);
614 static void
615 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
617 struct uftdi_softc *sc = vsc;
618 u_char msr, lsr;
620 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
621 *count));
623 msr = FTDI_GET_MSR(*ptr);
624 lsr = FTDI_GET_LSR(*ptr);
626 #ifdef USB_DEBUG
627 if (*count != 2)
628 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
629 "0x%02x\n", sc, portno, *count, (*ptr)[2]));
630 #endif
632 if (sc->sc_msr != msr ||
633 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
634 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
635 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
636 lsr, sc->sc_lsr));
637 sc->sc_msr = msr;
638 sc->sc_lsr = lsr;
639 ucom_status_change(&sc->sc_ucom);
642 /* Pick up status and adjust data part. */
643 *ptr += 2;
644 *count -= 2;
647 static void
648 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
650 struct uftdi_softc *sc = vsc;
652 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
653 vsc, portno, *count, from[0]));
655 /* Make length tag and copy data */
656 if (sc->sc_hdrlen > 0)
657 *to = FTDI_OUT_TAG(*count, portno);
659 memcpy(to + sc->sc_hdrlen, from, *count);
660 *count += sc->sc_hdrlen;
663 static void
664 uftdi_set(void *vsc, int portno, int reg, int onoff)
666 struct uftdi_softc *sc = vsc;
667 struct ucom_softc *ucom = vsc;
668 usb_device_request_t req;
669 int ctl;
671 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
672 reg, onoff));
674 switch (reg) {
675 case UCOM_SET_DTR:
676 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
677 break;
678 case UCOM_SET_RTS:
679 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
680 break;
681 case UCOM_SET_BREAK:
682 uftdi_break(sc, portno, onoff);
683 return;
684 default:
685 return;
687 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
688 req.bRequest = FTDI_SIO_MODEM_CTRL;
689 USETW(req.wValue, ctl);
690 USETW(req.wIndex, portno);
691 USETW(req.wLength, 0);
692 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
693 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
694 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
695 (void)usbd_do_request(ucom->sc_udev, &req, NULL);
698 static int
699 uftdi_param(void *vsc, int portno, struct termios *t)
701 struct uftdi_softc *sc = vsc;
702 struct ucom_softc *ucom = &sc->sc_ucom;
703 usb_device_request_t req;
704 usbd_status err;
705 int rate=0, data, flow;
707 DPRINTF(("uftdi_param: sc=%p\n", sc));
709 if (ucom->sc_dying)
710 return (EIO);
712 switch (sc->sc_type) {
713 case UFTDI_TYPE_SIO:
714 switch (t->c_ospeed) {
715 case 300: rate = ftdi_sio_b300; break;
716 case 600: rate = ftdi_sio_b600; break;
717 case 1200: rate = ftdi_sio_b1200; break;
718 case 2400: rate = ftdi_sio_b2400; break;
719 case 4800: rate = ftdi_sio_b4800; break;
720 case 9600: rate = ftdi_sio_b9600; break;
721 case 19200: rate = ftdi_sio_b19200; break;
722 case 38400: rate = ftdi_sio_b38400; break;
723 case 57600: rate = ftdi_sio_b57600; break;
724 case 115200: rate = ftdi_sio_b115200; break;
725 default:
726 return (EINVAL);
728 break;
730 case UFTDI_TYPE_8U232AM:
731 if (uftdi_8u232am_getrate(t->c_ospeed, &rate) == -1)
732 return (EINVAL);
733 break;
735 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
736 req.bRequest = FTDI_SIO_SET_BAUD_RATE;
737 USETW(req.wValue, rate);
738 USETW(req.wIndex, portno);
739 USETW(req.wLength, 0);
740 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
741 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
742 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
743 err = usbd_do_request(ucom->sc_udev, &req, NULL);
744 if (err)
745 return (EIO);
747 if (ISSET(t->c_cflag, CSTOPB))
748 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
749 else
750 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
751 if (ISSET(t->c_cflag, PARENB)) {
752 if (ISSET(t->c_cflag, PARODD))
753 data |= FTDI_SIO_SET_DATA_PARITY_ODD;
754 else
755 data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
756 } else
757 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
758 switch (ISSET(t->c_cflag, CSIZE)) {
759 case CS5:
760 data |= FTDI_SIO_SET_DATA_BITS(5);
761 break;
762 case CS6:
763 data |= FTDI_SIO_SET_DATA_BITS(6);
764 break;
765 case CS7:
766 data |= FTDI_SIO_SET_DATA_BITS(7);
767 break;
768 case CS8:
769 data |= FTDI_SIO_SET_DATA_BITS(8);
770 break;
772 sc->last_lcr = data;
774 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
775 req.bRequest = FTDI_SIO_SET_DATA;
776 USETW(req.wValue, data);
777 USETW(req.wIndex, portno);
778 USETW(req.wLength, 0);
779 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
780 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
781 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
782 err = usbd_do_request(ucom->sc_udev, &req, NULL);
783 if (err)
784 return (EIO);
786 if (ISSET(t->c_cflag, CRTSCTS)) {
787 flow = FTDI_SIO_RTS_CTS_HS;
788 USETW(req.wValue, 0);
789 } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
790 flow = FTDI_SIO_XON_XOFF_HS;
791 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
792 } else {
793 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
794 USETW(req.wValue, 0);
796 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
797 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
798 USETW2(req.wIndex, flow, portno);
799 USETW(req.wLength, 0);
800 err = usbd_do_request(ucom->sc_udev, &req, NULL);
801 if (err)
802 return (EIO);
804 return (0);
807 void
808 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
810 struct uftdi_softc *sc = vsc;
812 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
813 sc->sc_msr, sc->sc_lsr));
815 if (msr != NULL)
816 *msr = sc->sc_msr;
817 if (lsr != NULL)
818 *lsr = sc->sc_lsr;
821 void
822 uftdi_break(void *vsc, int portno, int onoff)
824 struct uftdi_softc *sc = vsc;
825 struct ucom_softc *ucom = vsc;
827 usb_device_request_t req;
828 int data;
830 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
831 onoff));
833 if (onoff) {
834 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
835 } else {
836 data = sc->last_lcr;
839 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
840 req.bRequest = FTDI_SIO_SET_DATA;
841 USETW(req.wValue, data);
842 USETW(req.wIndex, portno);
843 USETW(req.wLength, 0);
844 (void)usbd_do_request(ucom->sc_udev, &req, NULL);
847 static int
848 uftdi_8u232am_getrate(speed_t speed, int *rate)
850 /* Table of the nearest even powers-of-2 for values 0..15. */
851 static const unsigned char roundoff[16] = {
852 0, 2, 2, 4, 4, 4, 8, 8,
853 8, 8, 8, 8, 16, 16, 16, 16,
856 unsigned int d, freq;
857 int result;
859 if (speed <= 0)
860 return (-1);
862 /* Special cases for 2M and 3M. */
863 if (speed >= 3000000 * 100 / 103 &&
864 speed <= 3000000 * 100 / 97) {
865 result = 0;
866 goto done;
868 if (speed >= 2000000 * 100 / 103 &&
869 speed <= 2000000 * 100 / 97) {
870 result = 1;
871 goto done;
874 d = (FTDI_8U232AM_FREQ << 4) / speed;
875 d = (d & ~15) + roundoff[d & 15];
877 if (d < FTDI_8U232AM_MIN_DIV)
878 d = FTDI_8U232AM_MIN_DIV;
879 else if (d > FTDI_8U232AM_MAX_DIV)
880 d = FTDI_8U232AM_MAX_DIV;
883 * Calculate the frequency needed for d to exactly divide down
884 * to our target speed, and check that the actual frequency is
885 * within 3% of this.
887 freq = speed * d;
888 if (freq < (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 103 ||
889 freq > (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 97)
890 return (-1);
893 * Pack the divisor into the resultant value. The lower
894 * 14-bits hold the integral part, while the upper 2 bits
895 * encode the fractional component: either 0, 0.5, 0.25, or
896 * 0.125.
898 result = d >> 4;
899 if (d & 8)
900 result |= 0x4000;
901 else if (d & 4)
902 result |= 0x8000;
903 else if (d & 2)
904 result |= 0xc000;
906 done:
907 *rate = result;
908 return (0);
910 static device_method_t uftdi_methods[] = {
911 /* Device interface */
912 DEVMETHOD(device_probe, uftdi_match),
913 DEVMETHOD(device_attach, uftdi_attach),
914 DEVMETHOD(device_detach, uftdi_detach),
916 { 0, 0 }
919 static driver_t uftdi_driver = {
920 "ucom",
921 uftdi_methods,
922 sizeof (struct uftdi_softc)
925 DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
926 MODULE_DEPEND(uftdi, usb, 1, 1, 1);
927 MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);