| 1 | /* $NetBSD: ucycom.c,v 1.44 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2005 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Nick Hudson |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | /* |
| 32 | * This code is based on the ucom driver. |
| 33 | */ |
| 34 | |
| 35 | /* |
| 36 | * Device driver for Cypress CY7C637xx and CY7C640/1xx series USB to |
| 37 | * RS232 bridges. |
| 38 | */ |
| 39 | |
| 40 | #include <sys/cdefs.h> |
| 41 | __KERNEL_RCSID(0, "$NetBSD: ucycom.c,v 1.44 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 42 | |
| 43 | #include <sys/param.h> |
| 44 | #include <sys/systm.h> |
| 45 | #include <sys/conf.h> |
| 46 | #include <sys/kernel.h> |
| 47 | #include <sys/kmem.h> |
| 48 | #include <sys/device.h> |
| 49 | #include <sys/sysctl.h> |
| 50 | #include <sys/tty.h> |
| 51 | #include <sys/file.h> |
| 52 | #include <sys/vnode.h> |
| 53 | #include <sys/kauth.h> |
| 54 | #include <sys/lwp.h> |
| 55 | |
| 56 | #include <dev/usb/usb.h> |
| 57 | #include <dev/usb/usbhid.h> |
| 58 | |
| 59 | #include <dev/usb/usbdi.h> |
| 60 | #include <dev/usb/usbdi_util.h> |
| 61 | #include <dev/usb/usbdevs.h> |
| 62 | #include <dev/usb/uhidev.h> |
| 63 | #include <dev/usb/hid.h> |
| 64 | |
| 65 | #include "ioconf.h" |
| 66 | |
| 67 | #ifdef UCYCOM_DEBUG |
| 68 | #define DPRINTF(x) if (ucycomdebug) printf x |
| 69 | #define DPRINTFN(n, x) if (ucycomdebug > (n)) printf x |
| 70 | int ucycomdebug = 20; |
| 71 | #else |
| 72 | #define DPRINTF(x) |
| 73 | #define DPRINTFN(n,x) |
| 74 | #endif |
| 75 | |
| 76 | |
| 77 | #define UCYCOMCALLUNIT_MASK TTCALLUNIT_MASK |
| 78 | #define UCYCOMUNIT_MASK TTUNIT_MASK |
| 79 | #define UCYCOMDIALOUT_MASK TTDIALOUT_MASK |
| 80 | |
| 81 | #define UCYCOMCALLUNIT(x) TTCALLUNIT(x) |
| 82 | #define UCYCOMUNIT(x) TTUNIT(x) |
| 83 | #define UCYCOMDIALOUT(x) TTDIALOUT(x) |
| 84 | |
| 85 | /* Configuration Byte */ |
| 86 | #define UCYCOM_RESET 0x80 |
| 87 | #define UCYCOM_PARITY_TYPE_MASK 0x20 |
| 88 | #define UCYCOM_PARITY_ODD 0x20 |
| 89 | #define UCYCOM_PARITY_EVEN 0x00 |
| 90 | #define UCYCOM_PARITY_MASK 0x10 |
| 91 | #define UCYCOM_PARITY_ON 0x10 |
| 92 | #define UCYCOM_PARITY_OFF 0x00 |
| 93 | #define UCYCOM_STOP_MASK 0x08 |
| 94 | #define UCYCOM_STOP_BITS_2 0x08 |
| 95 | #define UCYCOM_STOP_BITS_1 0x00 |
| 96 | #define UCYCOM_DATA_MASK 0x03 |
| 97 | #define UCYCOM_DATA_BITS_8 0x03 |
| 98 | #define UCYCOM_DATA_BITS_7 0x02 |
| 99 | #define UCYCOM_DATA_BITS_6 0x01 |
| 100 | #define UCYCOM_DATA_BITS_5 0x00 |
| 101 | |
| 102 | /* Modem (Input) status byte */ |
| 103 | #define UCYCOM_RI 0x80 |
| 104 | #define UCYCOM_DCD 0x40 |
| 105 | #define UCYCOM_DSR 0x20 |
| 106 | #define UCYCOM_CTS 0x10 |
| 107 | #define UCYCOM_ERROR 0x08 |
| 108 | #define UCYCOM_LMASK 0x07 |
| 109 | |
| 110 | /* Modem (Output) control byte */ |
| 111 | #define UCYCOM_DTR 0x20 |
| 112 | #define UCYCOM_RTS 0x10 |
| 113 | #define UCYCOM_ORESET 0x08 |
| 114 | |
| 115 | struct ucycom_softc { |
| 116 | struct uhidev sc_hdev; |
| 117 | |
| 118 | struct tty *sc_tty; |
| 119 | |
| 120 | kmutex_t sc_lock; /* protects refcnt, others */ |
| 121 | |
| 122 | /* uhidev parameters */ |
| 123 | size_t sc_flen; /* feature report length */ |
| 124 | size_t sc_ilen; /* input report length */ |
| 125 | size_t sc_olen; /* output report length */ |
| 126 | |
| 127 | uint8_t *sc_obuf; |
| 128 | int sc_wlen; |
| 129 | |
| 130 | /* settings */ |
| 131 | uint32_t sc_baud; |
| 132 | uint8_t sc_cfg; /* Data format */ |
| 133 | uint8_t sc_mcr; /* Modem control */ |
| 134 | uint8_t sc_msr; /* Modem status */ |
| 135 | int sc_swflags; |
| 136 | |
| 137 | /* flags */ |
| 138 | char sc_dying; |
| 139 | }; |
| 140 | |
| 141 | dev_type_open(ucycomopen); |
| 142 | dev_type_close(ucycomclose); |
| 143 | dev_type_read(ucycomread); |
| 144 | dev_type_write(ucycomwrite); |
| 145 | dev_type_ioctl(ucycomioctl); |
| 146 | dev_type_stop(ucycomstop); |
| 147 | dev_type_tty(ucycomtty); |
| 148 | dev_type_poll(ucycompoll); |
| 149 | |
| 150 | const struct cdevsw ucycom_cdevsw = { |
| 151 | .d_open = ucycomopen, |
| 152 | .d_close = ucycomclose, |
| 153 | .d_read = ucycomread, |
| 154 | .d_write = ucycomwrite, |
| 155 | .d_ioctl = ucycomioctl, |
| 156 | .d_stop = ucycomstop, |
| 157 | .d_tty = ucycomtty, |
| 158 | .d_poll = ucycompoll, |
| 159 | .d_mmap = nommap, |
| 160 | .d_kqfilter = ttykqfilter, |
| 161 | .d_discard = nodiscard, |
| 162 | .d_flag = D_TTY |
| 163 | }; |
| 164 | |
| 165 | Static int ucycomparam(struct tty *, struct termios *); |
| 166 | Static void ucycomstart(struct tty *); |
| 167 | Static void ucycomwritecb(struct usbd_xfer *, void *, usbd_status); |
| 168 | Static void ucycom_intr(struct uhidev *, void *, u_int); |
| 169 | Static int ucycom_configure(struct ucycom_softc *, uint32_t, uint8_t); |
| 170 | Static void tiocm_to_ucycom(struct ucycom_softc *, u_long, int); |
| 171 | Static int ucycom_to_tiocm(struct ucycom_softc *); |
| 172 | Static void ucycom_set_status(struct ucycom_softc *); |
| 173 | Static void ucycom_dtr(struct ucycom_softc *, int); |
| 174 | #if 0 |
| 175 | Static void ucycom_rts(struct ucycom_softc *, int); |
| 176 | #endif |
| 177 | Static void ucycom_cleanup(struct ucycom_softc *); |
| 178 | |
| 179 | #ifdef UCYCOM_DEBUG |
| 180 | Static void ucycom_get_cfg(struct ucycom_softc *); |
| 181 | #endif |
| 182 | |
| 183 | Static const struct usb_devno ucycom_devs[] = { |
| 184 | { USB_VENDOR_CYPRESS, USB_PRODUCT_CYPRESS_USBRS232 }, |
| 185 | { USB_VENDOR_DELORME, USB_PRODUCT_DELORME_EARTHMATE }, |
| 186 | }; |
| 187 | #define ucycom_lookup(v, p) usb_lookup(ucycom_devs, v, p) |
| 188 | |
| 189 | int ucycom_match(device_t, cfdata_t, void *); |
| 190 | void ucycom_attach(device_t, device_t, void *); |
| 191 | int ucycom_detach(device_t, int); |
| 192 | int ucycom_activate(device_t, enum devact); |
| 193 | extern struct cfdriver ucycom_cd; |
| 194 | CFATTACH_DECL_NEW(ucycom, sizeof(struct ucycom_softc), ucycom_match, |
| 195 | ucycom_attach, ucycom_detach, ucycom_activate); |
| 196 | |
| 197 | int |
| 198 | ucycom_match(device_t parent, cfdata_t match, void *aux) |
| 199 | { |
| 200 | struct uhidev_attach_arg *uha = aux; |
| 201 | |
| 202 | return ucycom_lookup(uha->uiaa->uiaa_vendor, uha->uiaa->uiaa_product) |
| 203 | != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 204 | } |
| 205 | |
| 206 | void |
| 207 | ucycom_attach(device_t parent, device_t self, void *aux) |
| 208 | { |
| 209 | struct ucycom_softc *sc = device_private(self); |
| 210 | struct uhidev_attach_arg *uha = aux; |
| 211 | int size, repid; |
| 212 | void *desc; |
| 213 | |
| 214 | sc->sc_hdev.sc_dev = self; |
| 215 | sc->sc_hdev.sc_intr = ucycom_intr; |
| 216 | sc->sc_hdev.sc_parent = uha->parent; |
| 217 | sc->sc_hdev.sc_report_id = uha->reportid; |
| 218 | |
| 219 | uhidev_get_report_desc(uha->parent, &desc, &size); |
| 220 | repid = uha->reportid; |
| 221 | sc->sc_ilen = hid_report_size(desc, size, hid_input, repid); |
| 222 | sc->sc_olen = hid_report_size(desc, size, hid_output, repid); |
| 223 | sc->sc_flen = hid_report_size(desc, size, hid_feature, repid); |
| 224 | |
| 225 | sc->sc_msr = sc->sc_mcr = 0; |
| 226 | |
| 227 | /* set up tty */ |
| 228 | sc->sc_tty = tty_alloc(); |
| 229 | sc->sc_tty->t_sc = sc; |
| 230 | sc->sc_tty->t_oproc = ucycomstart; |
| 231 | sc->sc_tty->t_param = ucycomparam; |
| 232 | |
| 233 | tty_attach(sc->sc_tty); |
| 234 | |
| 235 | /* Nothing interesting to report */ |
| 236 | aprint_normal("\n" ); |
| 237 | } |
| 238 | |
| 239 | |
| 240 | int |
| 241 | ucycom_detach(device_t self, int flags) |
| 242 | { |
| 243 | struct ucycom_softc *sc = device_private(self); |
| 244 | struct tty *tp = sc->sc_tty; |
| 245 | int maj, mn; |
| 246 | int s; |
| 247 | |
| 248 | DPRINTF(("ucycom_detach: sc=%p flags=%d tp=%p\n" , sc, flags, tp)); |
| 249 | |
| 250 | sc->sc_dying = 1; |
| 251 | |
| 252 | s = splusb(); |
| 253 | if (tp != NULL) { |
| 254 | mutex_spin_enter(&tty_lock); |
| 255 | CLR(tp->t_state, TS_CARR_ON); |
| 256 | CLR(tp->t_cflag, CLOCAL | MDMBUF); |
| 257 | ttyflush(tp, FREAD|FWRITE); |
| 258 | mutex_spin_exit(&tty_lock); |
| 259 | } |
| 260 | /* Wait for processes to go away. */ |
| 261 | usb_detach_waitold(sc->sc_hdev.sc_dev); |
| 262 | splx(s); |
| 263 | |
| 264 | /* locate the major number */ |
| 265 | maj = cdevsw_lookup_major(&ucycom_cdevsw); |
| 266 | |
| 267 | /* Nuke the vnodes for any open instances. */ |
| 268 | mn = device_unit(self); |
| 269 | |
| 270 | DPRINTFN(2, ("ucycom_detach: maj=%d mn=%d\n" , maj, mn)); |
| 271 | vdevgone(maj, mn, mn, VCHR); |
| 272 | vdevgone(maj, mn | UCYCOMDIALOUT_MASK, mn | UCYCOMDIALOUT_MASK, VCHR); |
| 273 | vdevgone(maj, mn | UCYCOMCALLUNIT_MASK, mn | UCYCOMCALLUNIT_MASK, VCHR); |
| 274 | |
| 275 | /* Detach and free the tty. */ |
| 276 | if (tp != NULL) { |
| 277 | DPRINTF(("ucycom_detach: tty_detach %p\n" , tp)); |
| 278 | tty_detach(tp); |
| 279 | tty_free(tp); |
| 280 | sc->sc_tty = NULL; |
| 281 | } |
| 282 | |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | int |
| 287 | ucycom_activate(device_t self, enum devact act) |
| 288 | { |
| 289 | struct ucycom_softc *sc = device_private(self); |
| 290 | |
| 291 | DPRINTFN(5,("ucycom_activate: %d\n" , act)); |
| 292 | |
| 293 | switch (act) { |
| 294 | case DVACT_DEACTIVATE: |
| 295 | sc->sc_dying = 1; |
| 296 | return 0; |
| 297 | default: |
| 298 | return EOPNOTSUPP; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | #if 0 |
| 303 | void |
| 304 | ucycom_shutdown(struct ucycom_softc *sc) |
| 305 | { |
| 306 | struct tty *tp = sc->sc_tty; |
| 307 | |
| 308 | DPRINTF(("ucycom_shutdown\n" )); |
| 309 | /* |
| 310 | * Hang up if necessary. Wait a bit, so the other side has time to |
| 311 | * notice even if we immediately open the port again. |
| 312 | */ |
| 313 | if (ISSET(tp->t_cflag, HUPCL)) { |
| 314 | ucycom_dtr(sc, 0); |
| 315 | (void)tsleep(sc, TTIPRI, ttclos, hz); |
| 316 | } |
| 317 | } |
| 318 | #endif |
| 319 | |
| 320 | int |
| 321 | ucycomopen(dev_t dev, int flag, int mode, struct lwp *l) |
| 322 | { |
| 323 | struct ucycom_softc *sc = |
| 324 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 325 | struct tty *tp; |
| 326 | int s, err; |
| 327 | |
| 328 | DPRINTF(("ucycomopen: unit=%d\n" , UCYCOMUNIT(dev))); |
| 329 | DPRINTF(("ucycomopen: sc=%p\n" , sc)); |
| 330 | |
| 331 | if (sc == NULL) |
| 332 | return ENXIO; |
| 333 | |
| 334 | if (sc->sc_dying) |
| 335 | return EIO; |
| 336 | |
| 337 | if (!device_is_active(sc->sc_hdev.sc_dev)) |
| 338 | return ENXIO; |
| 339 | |
| 340 | tp = sc->sc_tty; |
| 341 | |
| 342 | DPRINTF(("ucycomopen: tp=%p\n" , tp)); |
| 343 | |
| 344 | if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) |
| 345 | return EBUSY; |
| 346 | |
| 347 | s = spltty(); |
| 348 | |
| 349 | if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) { |
| 350 | struct termios t; |
| 351 | |
| 352 | tp->t_dev = dev; |
| 353 | |
| 354 | err = uhidev_open(&sc->sc_hdev); |
| 355 | if (err) { |
| 356 | /* Any cleanup? */ |
| 357 | splx(s); |
| 358 | return err; |
| 359 | } |
| 360 | |
| 361 | /* |
| 362 | * Initialize the termios status to the defaults. Add in the |
| 363 | * sticky bits from TIOCSFLAGS. |
| 364 | */ |
| 365 | t.c_ispeed = 0; |
| 366 | t.c_ospeed = TTYDEF_SPEED; |
| 367 | t.c_cflag = TTYDEF_CFLAG; |
| 368 | if (ISSET(sc->sc_swflags, TIOCFLAG_CLOCAL)) |
| 369 | SET(t.c_cflag, CLOCAL); |
| 370 | if (ISSET(sc->sc_swflags, TIOCFLAG_CRTSCTS)) |
| 371 | SET(t.c_cflag, CRTSCTS); |
| 372 | if (ISSET(sc->sc_swflags, TIOCFLAG_MDMBUF)) |
| 373 | SET(t.c_cflag, MDMBUF); |
| 374 | |
| 375 | tp->t_ospeed = 0; |
| 376 | (void) ucycomparam(tp, &t); |
| 377 | tp->t_iflag = TTYDEF_IFLAG; |
| 378 | tp->t_oflag = TTYDEF_OFLAG; |
| 379 | tp->t_lflag = TTYDEF_LFLAG; |
| 380 | ttychars(tp); |
| 381 | ttsetwater(tp); |
| 382 | |
| 383 | /* Allocate an output report buffer */ |
| 384 | sc->sc_obuf = kmem_alloc(sc->sc_olen, KM_SLEEP); |
| 385 | |
| 386 | DPRINTF(("ucycomopen: sc->sc_obuf=%p\n" , sc->sc_obuf)); |
| 387 | |
| 388 | #if 0 |
| 389 | /* XXX Don't do this as for some reason trying to do an |
| 390 | * XXX interrupt out transfer at this point means everything |
| 391 | * XXX gets stuck!?! |
| 392 | */ |
| 393 | /* |
| 394 | * Turn on DTR. We must always do this, even if carrier is not |
| 395 | * present, because otherwise we'd have to use TIOCSDTR |
| 396 | * immediately after setting CLOCAL, which applications do not |
| 397 | * expect. We always assert DTR while the device is open |
| 398 | * unless explicitly requested to deassert it. |
| 399 | */ |
| 400 | ucycom_dtr(sc, 1); |
| 401 | #endif |
| 402 | |
| 403 | #if 0 |
| 404 | /* XXX CLR(sc->sc_rx_flags, RX_ANY_BLOCK);*/ |
| 405 | ucycom_hwiflow(sc); |
| 406 | #endif |
| 407 | |
| 408 | } |
| 409 | splx(s); |
| 410 | |
| 411 | err = ttyopen(tp, UCYCOMDIALOUT(dev), ISSET(flag, O_NONBLOCK)); |
| 412 | if (err) |
| 413 | goto bad; |
| 414 | |
| 415 | err = (*tp->t_linesw->l_open)(dev, tp); |
| 416 | if (err) |
| 417 | goto bad; |
| 418 | |
| 419 | return 0; |
| 420 | |
| 421 | bad: |
| 422 | if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) { |
| 423 | /* |
| 424 | * We failed to open the device, and nobody else had it opened. |
| 425 | * Clean up the state as appropriate. |
| 426 | */ |
| 427 | ucycom_cleanup(sc); |
| 428 | } |
| 429 | |
| 430 | return err; |
| 431 | |
| 432 | } |
| 433 | |
| 434 | |
| 435 | int |
| 436 | ucycomclose(dev_t dev, int flag, int mode, struct lwp *l) |
| 437 | { |
| 438 | struct ucycom_softc *sc = |
| 439 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 440 | struct tty *tp = sc->sc_tty; |
| 441 | |
| 442 | DPRINTF(("ucycomclose: unit=%d\n" , UCYCOMUNIT(dev))); |
| 443 | if (!ISSET(tp->t_state, TS_ISOPEN)) |
| 444 | return 0; |
| 445 | |
| 446 | (*tp->t_linesw->l_close)(tp, flag); |
| 447 | ttyclose(tp); |
| 448 | |
| 449 | if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) { |
| 450 | /* |
| 451 | * Although we got a last close, the device may still be in |
| 452 | * use; e.g. if this was the dialout node, and there are still |
| 453 | * processes waiting for carrier on the non-dialout node. |
| 454 | */ |
| 455 | ucycom_cleanup(sc); |
| 456 | } |
| 457 | |
| 458 | return 0; |
| 459 | } |
| 460 | |
| 461 | Static void |
| 462 | ucycomstart(struct tty *tp) |
| 463 | { |
| 464 | struct ucycom_softc *sc = |
| 465 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(tp->t_dev)); |
| 466 | usbd_status err __unused; |
| 467 | u_char *data; |
| 468 | int cnt, len, s; |
| 469 | |
| 470 | if (sc->sc_dying) |
| 471 | return; |
| 472 | |
| 473 | s = spltty(); |
| 474 | if (ISSET(tp->t_state, TS_BUSY | TS_TIMEOUT | TS_TTSTOP)) { |
| 475 | DPRINTFN(4,("ucycomstart: no go, state=0x%x\n" , tp->t_state)); |
| 476 | goto out; |
| 477 | } |
| 478 | |
| 479 | #if 0 |
| 480 | /* HW FLOW CTL */ |
| 481 | if (sc->sc_tx_stopped) |
| 482 | goto out; |
| 483 | #endif |
| 484 | |
| 485 | if (ttypull(tp) == 0) |
| 486 | goto out; |
| 487 | |
| 488 | /* Grab the first contiguous region of buffer space. */ |
| 489 | data = tp->t_outq.c_cf; |
| 490 | cnt = ndqb(&tp->t_outq, 0); |
| 491 | |
| 492 | if (cnt == 0) { |
| 493 | DPRINTF(("ucycomstart: cnt == 0\n" )); |
| 494 | goto out; |
| 495 | } |
| 496 | |
| 497 | SET(tp->t_state, TS_BUSY); |
| 498 | |
| 499 | /* |
| 500 | * The 8 byte output report uses byte 0 for control and byte |
| 501 | * count. |
| 502 | * |
| 503 | * The 32 byte output report uses byte 0 for control. Byte 1 |
| 504 | * is used for byte count. |
| 505 | */ |
| 506 | memset(sc->sc_obuf, 0, sc->sc_olen); |
| 507 | len = cnt; |
| 508 | switch (sc->sc_olen) { |
| 509 | case 8: |
| 510 | if (cnt > sc->sc_olen - 1) { |
| 511 | DPRINTF(("ucycomstart(8): big buffer %d chars\n" , len)); |
| 512 | len = sc->sc_olen - 1; |
| 513 | } |
| 514 | |
| 515 | memcpy(sc->sc_obuf + 1, data, len); |
| 516 | sc->sc_obuf[0] = len | sc->sc_mcr; |
| 517 | |
| 518 | DPRINTF(("ucycomstart(8): sc->sc_obuf[0] = %d | %d = %d\n" , |
| 519 | len, sc->sc_mcr, sc->sc_obuf[0])); |
| 520 | #ifdef UCYCOM_DEBUG |
| 521 | if (ucycomdebug > 10) { |
| 522 | uint32_t i; |
| 523 | uint8_t *d = data; |
| 524 | |
| 525 | DPRINTF(("ucycomstart(8): data =" )); |
| 526 | for (i = 0; i < len; i++) |
| 527 | DPRINTF((" %02x" , d[i])); |
| 528 | DPRINTF(("\n" )); |
| 529 | } |
| 530 | #endif |
| 531 | break; |
| 532 | |
| 533 | case 32: |
| 534 | if (cnt > sc->sc_olen - 2) { |
| 535 | DPRINTF(("ucycomstart(32): big buffer %d chars\n" , |
| 536 | len)); |
| 537 | len = sc->sc_olen - 2; |
| 538 | } |
| 539 | |
| 540 | memcpy(sc->sc_obuf + 2, data, len); |
| 541 | sc->sc_obuf[0] = sc->sc_mcr; |
| 542 | sc->sc_obuf[1] = len; |
| 543 | DPRINTF(("ucycomstart(32): sc->sc_obuf[0] = %d\n" |
| 544 | "sc->sc_obuf[1] = %d\n" , sc->sc_obuf[0], sc->sc_obuf[1])); |
| 545 | #ifdef UCYCOM_DEBUG |
| 546 | if (ucycomdebug > 10) { |
| 547 | uint32_t i; |
| 548 | uint8_t *d = data; |
| 549 | |
| 550 | DPRINTF(("ucycomstart(32): data =" )); |
| 551 | for (i = 0; i < len; i++) |
| 552 | DPRINTF((" %02x" , d[i])); |
| 553 | DPRINTF(("\n" )); |
| 554 | } |
| 555 | #endif |
| 556 | break; |
| 557 | |
| 558 | default: |
| 559 | DPRINTFN(2,("ucycomstart: unknown output report size (%zd)\n" , |
| 560 | sc->sc_olen)); |
| 561 | goto out; |
| 562 | } |
| 563 | splx(s); |
| 564 | sc->sc_wlen = len; |
| 565 | |
| 566 | #ifdef UCYCOM_DEBUG |
| 567 | if (ucycomdebug > 5) { |
| 568 | int i; |
| 569 | |
| 570 | if (len != 0) { |
| 571 | DPRINTF(("ucycomstart: sc->sc_obuf[0..%zd) =" , |
| 572 | sc->sc_olen)); |
| 573 | for (i = 0; i < sc->sc_olen; i++) |
| 574 | DPRINTF((" %02x" , sc->sc_obuf[i])); |
| 575 | DPRINTF(("\n" )); |
| 576 | } |
| 577 | } |
| 578 | #endif |
| 579 | DPRINTFN(4,("ucycomstart: %d chars\n" , len)); |
| 580 | usbd_setup_xfer(sc->sc_hdev.sc_parent->sc_oxfer, sc, sc->sc_obuf, |
| 581 | sc->sc_olen, 0, USBD_NO_TIMEOUT, ucycomwritecb); |
| 582 | |
| 583 | /* What can we do on error? */ |
| 584 | err = usbd_transfer(sc->sc_hdev.sc_parent->sc_oxfer); |
| 585 | |
| 586 | #ifdef UCYCOM_DEBUG |
| 587 | if (err != USBD_IN_PROGRESS) |
| 588 | DPRINTF(("ucycomstart: err=%s\n" , usbd_errstr(err))); |
| 589 | #endif |
| 590 | return; |
| 591 | |
| 592 | out: |
| 593 | splx(s); |
| 594 | } |
| 595 | |
| 596 | Static void |
| 597 | ucycomwritecb(struct usbd_xfer *xfer, void *p, usbd_status status) |
| 598 | { |
| 599 | struct ucycom_softc *sc = (struct ucycom_softc *)p; |
| 600 | struct tty *tp = sc->sc_tty; |
| 601 | usbd_status stat; |
| 602 | int len, s; |
| 603 | |
| 604 | if (status == USBD_CANCELLED || sc->sc_dying) |
| 605 | goto error; |
| 606 | |
| 607 | if (status) { |
| 608 | DPRINTF(("ucycomwritecb: status=%d\n" , status)); |
| 609 | usbd_clear_endpoint_stall(sc->sc_hdev.sc_parent->sc_opipe); |
| 610 | /* XXX we should restart after some delay. */ |
| 611 | goto error; |
| 612 | } |
| 613 | |
| 614 | usbd_get_xfer_status(xfer, NULL, NULL, &len, &stat); |
| 615 | |
| 616 | if (status != USBD_NORMAL_COMPLETION) { |
| 617 | DPRINTFN(4,("ucycomwritecb: status = %d\n" , status)); |
| 618 | goto error; |
| 619 | } |
| 620 | |
| 621 | DPRINTFN(4,("ucycomwritecb: did %d/%d chars\n" , sc->sc_wlen, len)); |
| 622 | |
| 623 | s = spltty(); |
| 624 | CLR(tp->t_state, TS_BUSY); |
| 625 | if (ISSET(tp->t_state, TS_FLUSH)) |
| 626 | CLR(tp->t_state, TS_FLUSH); |
| 627 | else |
| 628 | ndflush(&tp->t_outq, sc->sc_wlen); |
| 629 | (*tp->t_linesw->l_start)(tp); |
| 630 | splx(s); |
| 631 | return; |
| 632 | |
| 633 | error: |
| 634 | s = spltty(); |
| 635 | CLR(tp->t_state, TS_BUSY); |
| 636 | splx(s); |
| 637 | } |
| 638 | |
| 639 | Static int |
| 640 | ucycomparam(struct tty *tp, struct termios *t) |
| 641 | { |
| 642 | struct ucycom_softc *sc = tp->t_sc; |
| 643 | uint32_t baud; |
| 644 | uint8_t cfg; |
| 645 | int err; |
| 646 | |
| 647 | if (t->c_ospeed < 0) { |
| 648 | DPRINTF(("ucycomparam: c_ospeed < 0\n" )); |
| 649 | return EINVAL; |
| 650 | } |
| 651 | |
| 652 | /* Check requested parameters. */ |
| 653 | if (t->c_ispeed && t->c_ispeed != t->c_ospeed) |
| 654 | return EINVAL; |
| 655 | |
| 656 | /* |
| 657 | * For the console, always force CLOCAL and !HUPCL, so that the port |
| 658 | * is always active. |
| 659 | */ |
| 660 | if (ISSET(sc->sc_swflags, TIOCFLAG_SOFTCAR)) { |
| 661 | SET(t->c_cflag, CLOCAL); |
| 662 | CLR(t->c_cflag, HUPCL); |
| 663 | } |
| 664 | |
| 665 | /* |
| 666 | * If there were no changes, don't do anything. This avoids dropping |
| 667 | * input and improves performance when all we did was frob things like |
| 668 | * VMIN and VTIME. |
| 669 | */ |
| 670 | if (tp->t_ospeed == t->c_ospeed && |
| 671 | tp->t_cflag == t->c_cflag) |
| 672 | return 0; |
| 673 | |
| 674 | /* XXX lcr = ISSET(sc->sc_lcr, LCR_SBREAK) | cflag2lcr(t->c_cflag); */ |
| 675 | |
| 676 | /* And copy to tty. */ |
| 677 | tp->t_ispeed = 0; |
| 678 | tp->t_ospeed = t->c_ospeed; |
| 679 | tp->t_cflag = t->c_cflag; |
| 680 | |
| 681 | baud = t->c_ispeed; |
| 682 | DPRINTF(("ucycomparam: baud=%d\n" , baud)); |
| 683 | |
| 684 | if (t->c_cflag & CIGNORE) { |
| 685 | cfg = sc->sc_cfg; |
| 686 | } else { |
| 687 | cfg = 0; |
| 688 | switch (t->c_cflag & CSIZE) { |
| 689 | case CS8: |
| 690 | cfg |= UCYCOM_DATA_BITS_8; |
| 691 | break; |
| 692 | case CS7: |
| 693 | cfg |= UCYCOM_DATA_BITS_7; |
| 694 | break; |
| 695 | case CS6: |
| 696 | cfg |= UCYCOM_DATA_BITS_6; |
| 697 | break; |
| 698 | case CS5: |
| 699 | cfg |= UCYCOM_DATA_BITS_5; |
| 700 | break; |
| 701 | default: |
| 702 | return EINVAL; |
| 703 | } |
| 704 | cfg |= ISSET(t->c_cflag, CSTOPB) ? |
| 705 | UCYCOM_STOP_BITS_2 : UCYCOM_STOP_BITS_1; |
| 706 | cfg |= ISSET(t->c_cflag, PARENB) ? |
| 707 | UCYCOM_PARITY_ON : UCYCOM_PARITY_OFF; |
| 708 | cfg |= ISSET(t->c_cflag, PARODD) ? |
| 709 | UCYCOM_PARITY_ODD : UCYCOM_PARITY_EVEN; |
| 710 | } |
| 711 | |
| 712 | /* |
| 713 | * Update the tty layer's idea of the carrier bit, in case we changed |
| 714 | * CLOCAL or MDMBUF. We don't hang up here; we only do that by |
| 715 | * explicit request. |
| 716 | */ |
| 717 | DPRINTF(("ucycomparam: l_modem\n" )); |
| 718 | (void) (*tp->t_linesw->l_modem)(tp, 1 /* XXX carrier */ ); |
| 719 | |
| 720 | err = ucycom_configure(sc, baud, cfg); |
| 721 | return err; |
| 722 | } |
| 723 | |
| 724 | void |
| 725 | ucycomstop(struct tty *tp, int flag) |
| 726 | { |
| 727 | DPRINTF(("ucycomstop: flag=%d\n" , flag)); |
| 728 | } |
| 729 | |
| 730 | int |
| 731 | ucycomread(dev_t dev, struct uio *uio, int flag) |
| 732 | { |
| 733 | struct ucycom_softc *sc = |
| 734 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 735 | struct tty *tp = sc->sc_tty; |
| 736 | int err; |
| 737 | |
| 738 | DPRINTF(("ucycomread: sc=%p, tp=%p, uio=%p, flag=%d\n" , sc, tp, uio, |
| 739 | flag)); |
| 740 | if (sc->sc_dying) |
| 741 | return EIO; |
| 742 | |
| 743 | err = ((*tp->t_linesw->l_read)(tp, uio, flag)); |
| 744 | return err; |
| 745 | } |
| 746 | |
| 747 | |
| 748 | int |
| 749 | ucycomwrite(dev_t dev, struct uio *uio, int flag) |
| 750 | { |
| 751 | struct ucycom_softc *sc = |
| 752 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 753 | struct tty *tp = sc->sc_tty; |
| 754 | int err; |
| 755 | |
| 756 | DPRINTF(("ucycomwrite: sc=%p, tp=%p, uio=%p, flag=%d\n" , sc, tp, uio, |
| 757 | flag)); |
| 758 | if (sc->sc_dying) |
| 759 | return EIO; |
| 760 | |
| 761 | err = ((*tp->t_linesw->l_write)(tp, uio, flag)); |
| 762 | return err; |
| 763 | } |
| 764 | |
| 765 | struct tty * |
| 766 | ucycomtty(dev_t dev) |
| 767 | { |
| 768 | struct ucycom_softc *sc = |
| 769 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 770 | struct tty *tp = sc->sc_tty; |
| 771 | |
| 772 | DPRINTF(("ucycomtty: sc=%p, tp=%p\n" , sc, tp)); |
| 773 | |
| 774 | return tp; |
| 775 | } |
| 776 | |
| 777 | int |
| 778 | ucycomioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) |
| 779 | { |
| 780 | struct ucycom_softc *sc = |
| 781 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 782 | struct tty *tp = sc->sc_tty; |
| 783 | int err; |
| 784 | int s; |
| 785 | |
| 786 | if (sc->sc_dying) |
| 787 | return EIO; |
| 788 | |
| 789 | DPRINTF(("ucycomioctl: sc=%p, tp=%p, data=%p\n" , sc, tp, data)); |
| 790 | |
| 791 | err = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); |
| 792 | if (err != EPASSTHROUGH) |
| 793 | return err; |
| 794 | |
| 795 | err = ttioctl(tp, cmd, data, flag, l); |
| 796 | if (err != EPASSTHROUGH) |
| 797 | return err; |
| 798 | |
| 799 | err = 0; |
| 800 | |
| 801 | DPRINTF(("ucycomioctl: our cmd=0x%08lx\n" , cmd)); |
| 802 | s = spltty(); |
| 803 | |
| 804 | switch (cmd) { |
| 805 | /* case TIOCSBRK: |
| 806 | ucycom_break(sc, 1); |
| 807 | break; |
| 808 | |
| 809 | case TIOCCBRK: |
| 810 | ucycom_break(sc, 0); |
| 811 | break; |
| 812 | */ |
| 813 | case TIOCSDTR: |
| 814 | ucycom_dtr(sc, 1); |
| 815 | break; |
| 816 | |
| 817 | case TIOCCDTR: |
| 818 | ucycom_dtr(sc, 0); |
| 819 | break; |
| 820 | |
| 821 | case TIOCGFLAGS: |
| 822 | *(int *)data = sc->sc_swflags; |
| 823 | break; |
| 824 | |
| 825 | case TIOCSFLAGS: |
| 826 | err = kauth_authorize_device_tty(l->l_cred, |
| 827 | KAUTH_DEVICE_TTY_PRIVSET, tp); |
| 828 | if (err) |
| 829 | break; |
| 830 | sc->sc_swflags = *(int *)data; |
| 831 | break; |
| 832 | |
| 833 | case TIOCMSET: |
| 834 | case TIOCMBIS: |
| 835 | case TIOCMBIC: |
| 836 | tiocm_to_ucycom(sc, cmd, *(int *)data); |
| 837 | break; |
| 838 | |
| 839 | case TIOCMGET: |
| 840 | *(int *)data = ucycom_to_tiocm(sc); |
| 841 | break; |
| 842 | |
| 843 | default: |
| 844 | err = EPASSTHROUGH; |
| 845 | break; |
| 846 | } |
| 847 | |
| 848 | splx(s); |
| 849 | |
| 850 | return err; |
| 851 | } |
| 852 | |
| 853 | int |
| 854 | ucycompoll(dev_t dev, int events, struct lwp *l) |
| 855 | { |
| 856 | struct ucycom_softc *sc = |
| 857 | device_lookup_private(&ucycom_cd, UCYCOMUNIT(dev)); |
| 858 | struct tty *tp = sc->sc_tty; |
| 859 | int err; |
| 860 | |
| 861 | DPRINTF(("ucycompoll: sc=%p, tp=%p, events=%d, lwp=%p\n" , sc, tp, |
| 862 | events, l)); |
| 863 | |
| 864 | if (sc->sc_dying) |
| 865 | return EIO; |
| 866 | |
| 867 | err = ((*tp->t_linesw->l_poll)(tp, events, l)); |
| 868 | return err; |
| 869 | } |
| 870 | |
| 871 | Static int |
| 872 | ucycom_configure(struct ucycom_softc *sc, uint32_t baud, uint8_t cfg) |
| 873 | { |
| 874 | uint8_t report[5]; |
| 875 | int err; |
| 876 | |
| 877 | switch (baud) { |
| 878 | case 600: |
| 879 | case 1200: |
| 880 | case 2400: |
| 881 | case 4800: |
| 882 | case 9600: |
| 883 | case 19200: |
| 884 | case 38400: |
| 885 | case 57600: |
| 886 | #if 0 |
| 887 | /* |
| 888 | * Stock chips only support standard baud rates in the 600 - 57600 |
| 889 | * range, but higher rates can be achieved using custom firmware. |
| 890 | */ |
| 891 | case 115200: |
| 892 | case 153600: |
| 893 | case 192000: |
| 894 | #endif |
| 895 | break; |
| 896 | default: |
| 897 | return EINVAL; |
| 898 | } |
| 899 | |
| 900 | DPRINTF(("ucycom_configure: setting %d baud, %d-%c-%d (%d)\n" , baud, |
| 901 | 5 + (cfg & UCYCOM_DATA_MASK), |
| 902 | (cfg & UCYCOM_PARITY_MASK) ? |
| 903 | ((cfg & UCYCOM_PARITY_TYPE_MASK) ? 'O' : 'E') : 'N', |
| 904 | (cfg & UCYCOM_STOP_MASK) ? 2 : 1, cfg)); |
| 905 | |
| 906 | report[0] = baud & 0xff; |
| 907 | report[1] = (baud >> 8) & 0xff; |
| 908 | report[2] = (baud >> 16) & 0xff; |
| 909 | report[3] = (baud >> 24) & 0xff; |
| 910 | report[4] = cfg; |
| 911 | err = uhidev_set_report(&sc->sc_hdev, UHID_FEATURE_REPORT, |
| 912 | report, sc->sc_flen); |
| 913 | if (err != 0) { |
| 914 | DPRINTF(("%s\n" , usbd_errstr(err))); |
| 915 | return EIO; |
| 916 | } |
| 917 | sc->sc_baud = baud; |
| 918 | sc->sc_cfg = cfg; |
| 919 | |
| 920 | #ifdef UCYCOM_DEBUG |
| 921 | ucycom_get_cfg(sc); |
| 922 | #endif |
| 923 | |
| 924 | return 0; |
| 925 | } |
| 926 | |
| 927 | Static void |
| 928 | ucycom_intr(struct uhidev *addr, void *ibuf, u_int len) |
| 929 | { |
| 930 | struct ucycom_softc *sc = (struct ucycom_softc *)addr; |
| 931 | struct tty *tp = sc->sc_tty; |
| 932 | int (*rint)(int , struct tty *) = tp->t_linesw->l_rint; |
| 933 | uint8_t *cp = ibuf; |
| 934 | int s, n, st, chg; |
| 935 | |
| 936 | /* We understand 8 byte and 32 byte input records */ |
| 937 | switch (len) { |
| 938 | case 8: |
| 939 | n = cp[0] & UCYCOM_LMASK; |
| 940 | st = cp[0] & ~UCYCOM_LMASK; |
| 941 | cp++; |
| 942 | break; |
| 943 | |
| 944 | case 32: |
| 945 | st = cp[0]; |
| 946 | n = cp[1]; |
| 947 | cp += 2; |
| 948 | break; |
| 949 | |
| 950 | default: |
| 951 | DPRINTFN(3,("ucycom_intr: Unknown input report length\n" )); |
| 952 | return; |
| 953 | } |
| 954 | |
| 955 | #ifdef UCYCOM_DEBUG |
| 956 | if (ucycomdebug > 5) { |
| 957 | uint32_t i; |
| 958 | |
| 959 | if (n != 0) { |
| 960 | DPRINTF(("ucycom_intr: ibuf[0..%d) =" , n)); |
| 961 | for (i = 0; i < n; i++) |
| 962 | DPRINTF((" %02x" , cp[i])); |
| 963 | DPRINTF(("\n" )); |
| 964 | } |
| 965 | } |
| 966 | #endif |
| 967 | |
| 968 | /* Give characters to tty layer. */ |
| 969 | s = spltty(); |
| 970 | while (n-- > 0) { |
| 971 | DPRINTFN(7,("ucycom_intr: char=0x%02x\n" , *cp)); |
| 972 | if ((*rint)(*cp++, tp) == -1) { |
| 973 | /* XXX what should we do? */ |
| 974 | aprint_error_dev(sc->sc_hdev.sc_dev, |
| 975 | "lost a character\n" ); |
| 976 | break; |
| 977 | } |
| 978 | } |
| 979 | splx(s); |
| 980 | chg = st ^ sc->sc_msr; |
| 981 | sc->sc_msr = st; |
| 982 | if (ISSET(chg, UCYCOM_DCD)) |
| 983 | (*tp->t_linesw->l_modem)(tp, |
| 984 | ISSET(sc->sc_msr, UCYCOM_DCD)); |
| 985 | |
| 986 | } |
| 987 | |
| 988 | Static void |
| 989 | tiocm_to_ucycom(struct ucycom_softc *sc, u_long how, int ttybits) |
| 990 | { |
| 991 | u_char combits; |
| 992 | u_char before = sc->sc_mcr; |
| 993 | |
| 994 | combits = 0; |
| 995 | if (ISSET(ttybits, TIOCM_DTR)) |
| 996 | SET(combits, UCYCOM_DTR); |
| 997 | if (ISSET(ttybits, TIOCM_RTS)) |
| 998 | SET(combits, UCYCOM_RTS); |
| 999 | |
| 1000 | switch (how) { |
| 1001 | case TIOCMBIC: |
| 1002 | CLR(sc->sc_mcr, combits); |
| 1003 | break; |
| 1004 | |
| 1005 | case TIOCMBIS: |
| 1006 | SET(sc->sc_mcr, combits); |
| 1007 | break; |
| 1008 | |
| 1009 | case TIOCMSET: |
| 1010 | CLR(sc->sc_mcr, UCYCOM_DTR | UCYCOM_RTS); |
| 1011 | SET(sc->sc_mcr, combits); |
| 1012 | break; |
| 1013 | } |
| 1014 | if (before ^ sc->sc_mcr) { |
| 1015 | DPRINTF(("tiocm_to_ucycom: something has changed\n" )); |
| 1016 | ucycom_set_status(sc); |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | Static int |
| 1021 | ucycom_to_tiocm(struct ucycom_softc *sc) |
| 1022 | { |
| 1023 | u_char combits; |
| 1024 | int ttybits = 0; |
| 1025 | |
| 1026 | combits = sc->sc_mcr; |
| 1027 | if (ISSET(combits, UCYCOM_DTR)) |
| 1028 | SET(ttybits, TIOCM_DTR); |
| 1029 | if (ISSET(combits, UCYCOM_RTS)) |
| 1030 | SET(ttybits, TIOCM_RTS); |
| 1031 | |
| 1032 | combits = sc->sc_msr; |
| 1033 | if (ISSET(combits, UCYCOM_DCD)) |
| 1034 | SET(ttybits, TIOCM_CD); |
| 1035 | if (ISSET(combits, UCYCOM_CTS)) |
| 1036 | SET(ttybits, TIOCM_CTS); |
| 1037 | if (ISSET(combits, UCYCOM_DSR)) |
| 1038 | SET(ttybits, TIOCM_DSR); |
| 1039 | if (ISSET(combits, UCYCOM_RI)) |
| 1040 | SET(ttybits, TIOCM_RI); |
| 1041 | |
| 1042 | return ttybits; |
| 1043 | } |
| 1044 | |
| 1045 | Static void |
| 1046 | ucycom_dtr(struct ucycom_softc *sc, int set) |
| 1047 | { |
| 1048 | uint8_t old; |
| 1049 | |
| 1050 | old = sc->sc_mcr; |
| 1051 | if (set) |
| 1052 | SET(sc->sc_mcr, UCYCOM_DTR); |
| 1053 | else |
| 1054 | CLR(sc->sc_mcr, UCYCOM_DTR); |
| 1055 | |
| 1056 | if (old ^ sc->sc_mcr) |
| 1057 | ucycom_set_status(sc); |
| 1058 | } |
| 1059 | |
| 1060 | #if 0 |
| 1061 | Static void |
| 1062 | ucycom_rts(struct ucycom_softc *sc, int set) |
| 1063 | { |
| 1064 | uint8_t old; |
| 1065 | |
| 1066 | old = sc->sc_msr; |
| 1067 | if (set) |
| 1068 | SET(sc->sc_mcr, UCYCOM_RTS); |
| 1069 | else |
| 1070 | CLR(sc->sc_mcr, UCYCOM_RTS); |
| 1071 | |
| 1072 | if (old ^ sc->sc_mcr) |
| 1073 | ucycom_set_status(sc); |
| 1074 | } |
| 1075 | #endif |
| 1076 | |
| 1077 | Static void |
| 1078 | ucycom_set_status(struct ucycom_softc *sc) |
| 1079 | { |
| 1080 | int err; |
| 1081 | |
| 1082 | if (sc->sc_olen != 8 && sc->sc_olen != 32) { |
| 1083 | DPRINTFN(2,("ucycom_set_status: unknown output report " |
| 1084 | "size (%zd)\n" , sc->sc_olen)); |
| 1085 | return; |
| 1086 | } |
| 1087 | |
| 1088 | DPRINTF(("ucycom_set_status: %d\n" , sc->sc_mcr)); |
| 1089 | |
| 1090 | memset(sc->sc_obuf, 0, sc->sc_olen); |
| 1091 | sc->sc_obuf[0] = sc->sc_mcr; |
| 1092 | |
| 1093 | err = uhidev_write(sc->sc_hdev.sc_parent, sc->sc_obuf, sc->sc_olen); |
| 1094 | if (err) { |
| 1095 | DPRINTF(("ucycom_set_status: err=%d\n" , err)); |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | #ifdef UCYCOM_DEBUG |
| 1100 | Static void |
| 1101 | ucycom_get_cfg(struct ucycom_softc *sc) |
| 1102 | { |
| 1103 | int err, cfg, baud; |
| 1104 | uint8_t report[5]; |
| 1105 | |
| 1106 | err = uhidev_get_report(&sc->sc_hdev, UHID_FEATURE_REPORT, |
| 1107 | report, sc->sc_flen); |
| 1108 | if (err) { |
| 1109 | DPRINTF(("%s: failed\n" , __func__)); |
| 1110 | return; |
| 1111 | } |
| 1112 | cfg = report[4]; |
| 1113 | baud = (report[3] << 24) + (report[2] << 16) + (report[1] << 8) + |
| 1114 | report[0]; |
| 1115 | DPRINTF(("ucycom_get_cfg: device reports %d baud, %d-%c-%d (%d)\n" , |
| 1116 | baud, 5 + (cfg & UCYCOM_DATA_MASK), |
| 1117 | (cfg & UCYCOM_PARITY_MASK) ? |
| 1118 | ((cfg & UCYCOM_PARITY_TYPE_MASK) ? 'O' : 'E') : 'N', |
| 1119 | (cfg & UCYCOM_STOP_MASK) ? 2 : 1, cfg)); |
| 1120 | } |
| 1121 | #endif |
| 1122 | |
| 1123 | Static void |
| 1124 | ucycom_cleanup(struct ucycom_softc *sc) |
| 1125 | { |
| 1126 | uint8_t *obuf; |
| 1127 | |
| 1128 | DPRINTF(("ucycom_cleanup: closing uhidev\n" )); |
| 1129 | |
| 1130 | obuf = sc->sc_obuf; |
| 1131 | sc->sc_obuf = NULL; |
| 1132 | uhidev_close(&sc->sc_hdev); |
| 1133 | |
| 1134 | if (obuf != NULL) |
| 1135 | kmem_free(obuf, sc->sc_olen); |
| 1136 | } |
| 1137 | |