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 1.20 2007/10/12 11:15:53 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
 393         if (uaa->iface == NULL)
 394                 return (UMATCH_NONE);
 395
 396         if (usb_lookup(uftdi_devs, uaa->vendor, uaa->product) != NULL)
 397                 return (UMATCH_VENDOR_IFACESUBCLASS);
 398
 399         return (UMATCH_NONE);
 400 }
 401
 402 static int
 403 uftdi_attach(device_t self)
 404 {
 405         struct uftdi_softc *sc = device_get_softc(self);
 406         struct usb_attach_arg *uaa = device_get_ivars(self);
 407         usbd_device_handle dev = uaa->device;
 408         usbd_interface_handle iface;
 409         usb_interface_descriptor_t *id;
 410         usb_endpoint_descriptor_t *ed;
 411         char *devinfo;
 412         int i;
 413         struct ucom_softc *ucom = &sc->sc_ucom;
 414         DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
 415         devinfo = kmalloc(1024, M_USBDEV, M_INTWAIT);
 416
 417         ucom->sc_dev = self;
 418         ucom->sc_udev = dev;
 419
 420         usbd_devinfo(dev, 0, devinfo);
 421         device_printf(ucom->sc_dev, "%s\n", devinfo);
 422         kfree(devinfo, M_USBDEV);
 423
 424         iface = uaa->iface;
 425         id = usbd_get_interface_descriptor(iface);
 426         ucom->sc_iface = iface;
 427
 428         if (uaa->release < 0x0200) {
 429                 sc->sc_type = UFTDI_TYPE_SIO;
 430                 sc->sc_hdrlen = 1;
 431         } else {
 432                 sc->sc_type = UFTDI_TYPE_8U232AM;
 433                 sc->sc_hdrlen = 0;
 434         }
 435
 436         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 437
 438         for (i = 0; i < id->bNumEndpoints; i++) {
 439                 int addr, dir, attr;
 440                 ed = usbd_interface2endpoint_descriptor(iface, i);
 441                 if (ed == NULL) {
 442                         device_printf(ucom->sc_dev,
 443                             "could not read endpoint descriptor\n");
 444                         goto bad;
 445                 }
 446
 447                 addr = ed->bEndpointAddress;
 448                 dir = UE_GET_DIR(ed->bEndpointAddress);
 449                 attr = ed->bmAttributes & UE_XFERTYPE;
 450                 if (dir == UE_DIR_IN && attr == UE_BULK)
 451                         ucom->sc_bulkin_no = addr;
 452                 else if (dir == UE_DIR_OUT && attr == UE_BULK)
 453                         ucom->sc_bulkout_no = addr;
 454                 else {
 455                         device_printf(ucom->sc_dev, "unexpected endpoint\n");
 456                         goto bad;
 457                 }
 458         }
 459         if (ucom->sc_bulkin_no == -1) {
 460                 device_printf(ucom->sc_dev, "Could not find data bulk in\n");
 461                 goto bad;
 462         }
 463         if (ucom->sc_bulkout_no == -1) {
 464                 device_printf(ucom->sc_dev, "Could not find data bulk out\n");
 465                 goto bad;
 466         }
 467         ucom->sc_parent  = sc;
 468         ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
 469         /* bulkin, bulkout set above */
 470
 471         ucom->sc_ibufsize = UFTDIIBUFSIZE;
 472         ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
 473         ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
 474         ucom->sc_opkthdrlen = sc->sc_hdrlen;
 475
 476
 477         ucom->sc_callback = &uftdi_callback;
 478 #if 0
 479         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
 480           ucom->sc_dev);
 481 #endif
 482         DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
 483         ucom_attach(&sc->sc_ucom);
 484         return 0;
 485
 486 bad:
 487         DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
 488         ucom->sc_dying = 1;
 489         return ENXIO;
 490 }
 491 #if 0
 492 int
 493 uftdi_activate(device_t self, enum devact act)
 494 {
 495         struct uftdi_softc *sc = (struct uftdi_softc *)self;
 496         int rv = 0;
 497
 498         switch (act) {
 499         case DVACT_ACTIVATE:
 500                 return (EOPNOTSUPP);
 501
 502         case DVACT_DEACTIVATE:
 503                 if (sc->sc_subdev != NULL)
 504                         rv = config_deactivate(sc->sc_subdev);
 505                 sc->sc_ucom.sc_dying = 1;
 506                 break;
 507         }
 508         return (rv);
 509 }
 510 #endif
 511
 512 static int
 513 uftdi_detach(device_t self)
 514 {
 515         struct uftdi_softc *sc = device_get_softc(self);
 516
 517         int rv = 0;
 518
 519         DPRINTF(("uftdi_detach: sc=%p\n", sc));
 520         sc->sc_ucom.sc_dying = 1;
 521         rv = ucom_detach(&sc->sc_ucom);
 522
 523         return rv;
 524 }
 525
 526 static int
 527 uftdi_open(void *vsc, int portno)
 528 {
 529         struct uftdi_softc *sc = vsc;
 530         struct ucom_softc *ucom = &sc->sc_ucom;
 531         usb_device_request_t req;
 532         usbd_status err;
 533         struct termios t;
 534
 535         DPRINTF(("uftdi_open: sc=%p\n", sc));
 536
 537         if (ucom->sc_dying)
 538                 return (EIO);
 539
 540         /* Perform a full reset on the device */
 541         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 542         req.bRequest = FTDI_SIO_RESET;
 543         USETW(req.wValue, FTDI_SIO_RESET_SIO);
 544         USETW(req.wIndex, portno);
 545         USETW(req.wLength, 0);
 546         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 547         if (err)
 548                 return (EIO);
 549
 550         /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
 551         t.c_ospeed = 9600;
 552         t.c_cflag = CSTOPB | CS8;
 553         (void)uftdi_param(sc, portno, &t);
 554
 555         /* Turn on RTS/CTS flow control */
 556         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 557         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
 558         USETW(req.wValue, 0);
 559         USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
 560         USETW(req.wLength, 0);
 561         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 562         if (err)
 563                 return (EIO);
 564
 565         return (0);
 566 }
 567
 568 static void
 569 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
 570 {
 571         struct uftdi_softc *sc = vsc;
 572         u_char msr, lsr;
 573
 574         DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
 575                      *count));
 576
 577         msr = FTDI_GET_MSR(*ptr);
 578         lsr = FTDI_GET_LSR(*ptr);
 579
 580 #ifdef USB_DEBUG
 581         if (*count != 2)
 582                 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
 583                             "0x%02x\n", sc, portno, *count, (*ptr)[2]));
 584 #endif
 585
 586         if (sc->sc_msr != msr ||
 587             (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
 588                 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
 589                          "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
 590                          lsr, sc->sc_lsr));
 591                 sc->sc_msr = msr;
 592                 sc->sc_lsr = lsr;
 593                 ucom_status_change(&sc->sc_ucom);
 594         }
 595
 596         /* Pick up status and adjust data part. */
 597         *ptr += 2;
 598         *count -= 2;
 599 }
 600
 601 static void
 602 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
 603 {
 604         struct uftdi_softc *sc = vsc;
 605
 606         DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
 607                      vsc, portno, *count, from[0]));
 608
 609         /* Make length tag and copy data */
 610         if (sc->sc_hdrlen > 0)
 611                 *to = FTDI_OUT_TAG(*count, portno);
 612
 613         memcpy(to + sc->sc_hdrlen, from, *count);
 614         *count += sc->sc_hdrlen;
 615 }
 616
 617 static void
 618 uftdi_set(void *vsc, int portno, int reg, int onoff)
 619 {
 620         struct uftdi_softc *sc = vsc;
 621         struct ucom_softc *ucom = vsc;
 622         usb_device_request_t req;
 623         int ctl;
 624
 625         DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
 626                  reg, onoff));
 627
 628         switch (reg) {
 629         case UCOM_SET_DTR:
 630                 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
 631                 break;
 632         case UCOM_SET_RTS:
 633                 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
 634                 break;
 635         case UCOM_SET_BREAK:
 636                 uftdi_break(sc, portno, onoff);
 637                 return;
 638         default:
 639                 return;
 640         }
 641         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 642         req.bRequest = FTDI_SIO_MODEM_CTRL;
 643         USETW(req.wValue, ctl);
 644         USETW(req.wIndex, portno);
 645         USETW(req.wLength, 0);
 646         DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
 647                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 648                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 649         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
 650 }
 651
 652 static int
 653 uftdi_param(void *vsc, int portno, struct termios *t)
 654 {
 655         struct uftdi_softc *sc = vsc;
 656         struct ucom_softc *ucom = &sc->sc_ucom;
 657         usb_device_request_t req;
 658         usbd_status err;
 659         int rate=0, data, flow;
 660
 661         DPRINTF(("uftdi_param: sc=%p\n", sc));
 662
 663         if (ucom->sc_dying)
 664                 return (EIO);
 665
 666         switch (sc->sc_type) {
 667         case UFTDI_TYPE_SIO:
 668                 switch (t->c_ospeed) {
 669                 case 300: rate = ftdi_sio_b300; break;
 670                 case 600: rate = ftdi_sio_b600; break;
 671                 case 1200: rate = ftdi_sio_b1200; break;
 672                 case 2400: rate = ftdi_sio_b2400; break;
 673                 case 4800: rate = ftdi_sio_b4800; break;
 674                 case 9600: rate = ftdi_sio_b9600; break;
 675                 case 19200: rate = ftdi_sio_b19200; break;
 676                 case 38400: rate = ftdi_sio_b38400; break;
 677                 case 57600: rate = ftdi_sio_b57600; break;
 678                 case 115200: rate = ftdi_sio_b115200; break;
 679                 default:
 680                         return (EINVAL);
 681                 }
 682                 break;
 683
 684         case UFTDI_TYPE_8U232AM:
 685                 if (uftdi_8u232am_getrate(t->c_ospeed, &rate) == -1)
 686                         return (EINVAL);
 687                 break;
 688         }
 689         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 690         req.bRequest = FTDI_SIO_SET_BAUD_RATE;
 691         USETW(req.wValue, rate);
 692         USETW(req.wIndex, portno);
 693         USETW(req.wLength, 0);
 694         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
 695                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 696                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 697         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 698         if (err)
 699                 return (EIO);
 700
 701         if (ISSET(t->c_cflag, CSTOPB))
 702                 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
 703         else
 704                 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
 705         if (ISSET(t->c_cflag, PARENB)) {
 706                 if (ISSET(t->c_cflag, PARODD))
 707                         data |= FTDI_SIO_SET_DATA_PARITY_ODD;
 708                 else
 709                         data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
 710         } else
 711                 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
 712         switch (ISSET(t->c_cflag, CSIZE)) {
 713         case CS5:
 714                 data |= FTDI_SIO_SET_DATA_BITS(5);
 715                 break;
 716         case CS6:
 717                 data |= FTDI_SIO_SET_DATA_BITS(6);
 718                 break;
 719         case CS7:
 720                 data |= FTDI_SIO_SET_DATA_BITS(7);
 721                 break;
 722         case CS8:
 723                 data |= FTDI_SIO_SET_DATA_BITS(8);
 724                 break;
 725         }
 726         sc->last_lcr = data;
 727
 728         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 729         req.bRequest = FTDI_SIO_SET_DATA;
 730         USETW(req.wValue, data);
 731         USETW(req.wIndex, portno);
 732         USETW(req.wLength, 0);
 733         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
 734                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 735                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 736         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 737         if (err)
 738                 return (EIO);
 739
 740         if (ISSET(t->c_cflag, CRTSCTS)) {
 741                 flow = FTDI_SIO_RTS_CTS_HS;
 742                 USETW(req.wValue, 0);
 743         } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
 744                 flow = FTDI_SIO_XON_XOFF_HS;
 745                 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
 746         } else {
 747                 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
 748                 USETW(req.wValue, 0);
 749         }
 750         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 751         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
 752         USETW2(req.wIndex, flow, portno);
 753         USETW(req.wLength, 0);
 754         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 755         if (err)
 756                 return (EIO);
 757
 758         return (0);
 759 }
 760
 761 void
 762 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
 763 {
 764         struct uftdi_softc *sc = vsc;
 765
 766         DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
 767                  sc->sc_msr, sc->sc_lsr));
 768
 769         if (msr != NULL)
 770                 *msr = sc->sc_msr;
 771         if (lsr != NULL)
 772                 *lsr = sc->sc_lsr;
 773 }
 774
 775 void
 776 uftdi_break(void *vsc, int portno, int onoff)
 777 {
 778         struct uftdi_softc *sc = vsc;
 779         struct ucom_softc *ucom = vsc;
 780
 781         usb_device_request_t req;
 782         int data;
 783
 784         DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
 785                   onoff));
 786
 787         if (onoff) {
 788                 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
 789         } else {
 790                 data = sc->last_lcr;
 791         }
 792
 793         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 794         req.bRequest = FTDI_SIO_SET_DATA;
 795         USETW(req.wValue, data);
 796         USETW(req.wIndex, portno);
 797         USETW(req.wLength, 0);
 798         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
 799 }
 800
 801 static int
 802 uftdi_8u232am_getrate(speed_t speed, int *rate)
 803 {
 804         /* Table of the nearest even powers-of-2 for values 0..15. */
 805         static const unsigned char roundoff[16] = {
 806                 0, 2, 2, 4,  4,  4,  8,  8,
 807                 8, 8, 8, 8, 16, 16, 16, 16,
 808         };
 809
 810         unsigned int d, freq;
 811         int result;
 812
 813         if (speed <= 0)
 814                 return (-1);
 815
 816         /* Special cases for 2M and 3M. */
 817         if (speed >= 3000000 * 100 / 103 &&
 818             speed <= 3000000 * 100 / 97) {
 819                 result = 0;
 820                 goto done;
 821         }
 822         if (speed >= 2000000 * 100 / 103 &&
 823             speed <= 2000000 * 100 / 97) {
 824                 result = 1;
 825                 goto done;
 826         }
 827
 828         d = (FTDI_8U232AM_FREQ << 4) / speed;
 829         d = (d & ~15) + roundoff[d & 15];
 830
 831         if (d < FTDI_8U232AM_MIN_DIV)
 832                 d = FTDI_8U232AM_MIN_DIV;
 833         else if (d > FTDI_8U232AM_MAX_DIV)
 834                 d = FTDI_8U232AM_MAX_DIV;
 835
 836         /*
 837          * Calculate the frequency needed for d to exactly divide down
 838          * to our target speed, and check that the actual frequency is
 839          * within 3% of this.
 840          */
 841         freq = speed * d;
 842         if (freq < (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 103 ||
 843             freq > (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 97)
 844                 return (-1);
 845
 846         /*
 847          * Pack the divisor into the resultant value.  The lower
 848          * 14-bits hold the integral part, while the upper 2 bits
 849          * encode the fractional component: either 0, 0.5, 0.25, or
 850          * 0.125.
 851          */
 852         result = d >> 4;
 853         if (d & 8)
 854                 result |= 0x4000;
 855         else if (d & 4)
 856                 result |= 0x8000;
 857         else if (d & 2)
 858                 result |= 0xc000;
 859
 860 done:
 861         *rate = result;
 862         return (0);
 863 }
 864 static device_method_t uftdi_methods[] = {
 865         /* Device interface */
 866         DEVMETHOD(device_probe, uftdi_match),
 867         DEVMETHOD(device_attach, uftdi_attach),
 868         DEVMETHOD(device_detach, uftdi_detach),
 869
 870         { 0, 0 }
 871 };
 872
 873 static driver_t uftdi_driver = {
 874         "ucom",
 875         uftdi_methods,
 876         sizeof (struct uftdi_softc)
 877 };
 878
 879 DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
 880 MODULE_DEPEND(uftdi, usb, 1, 1, 1);
 881 MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);