1 /* $OpenBSD: uslcom.c,v 1.17 2007/11/24 10:52:12 jsg Exp $ */
7 * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Driver for Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105
24 * USB-Serial adapters. Based on datasheet AN571, publicly available from
25 * http://www.silabs.com/Support%20Documents/TechnicalDocs/AN571.pdf
28 #include <sys/stdint.h>
29 #include <sys/stddef.h>
30 #include <sys/param.h>
31 #include <sys/queue.h>
32 #include <sys/types.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
36 #include <sys/module.h>
38 #include <sys/mutex.h>
39 #include <sys/condvar.h>
40 #include <sys/sysctl.h>
42 #include <sys/unistd.h>
43 #include <sys/callout.h>
44 #include <sys/malloc.h>
47 #include <dev/usb/usb.h>
48 #include <dev/usb/usbdi.h>
49 #include <dev/usb/usbdi_util.h>
50 #include <dev/usb/usb_ioctl.h>
53 #define USB_DEBUG_VAR uslcom_debug
54 #include <dev/usb/usb_debug.h>
55 #include <dev/usb/usb_process.h>
57 #include <dev/usb/serial/usb_serial.h>
60 static int uslcom_debug = 0;
62 static SYSCTL_NODE(_hw_usb, OID_AUTO, uslcom, CTLFLAG_RW, 0, "USB uslcom");
63 SYSCTL_INT(_hw_usb_uslcom, OID_AUTO, debug, CTLFLAG_RW,
64 &uslcom_debug, 0, "Debug level");
67 #define USLCOM_BULK_BUF_SIZE 1024
68 #define USLCOM_CONFIG_INDEX 0
71 #define USLCOM_WRITE 0x41
72 #define USLCOM_READ 0xc1
75 #define USLCOM_IFC_ENABLE 0x00
76 #define USLCOM_SET_BAUDDIV 0x01
77 #define USLCOM_SET_LINE_CTL 0x03
78 #define USLCOM_SET_BREAK 0x05
79 #define USLCOM_SET_MHS 0x07
80 #define USLCOM_GET_MDMSTS 0x08
81 #define USLCOM_SET_FLOW 0x13
82 #define USLCOM_SET_BAUDRATE 0x1e
83 #define USLCOM_VENDOR_SPECIFIC 0xff
85 /* USLCOM_IFC_ENABLE values */
86 #define USLCOM_IFC_ENABLE_DIS 0x00
87 #define USLCOM_IFC_ENABLE_EN 0x01
89 /* USLCOM_SET_MHS/USLCOM_GET_MDMSTS values */
90 #define USLCOM_MHS_DTR_ON 0x0001
91 #define USLCOM_MHS_DTR_SET 0x0100
92 #define USLCOM_MHS_RTS_ON 0x0002
93 #define USLCOM_MHS_RTS_SET 0x0200
94 #define USLCOM_MHS_CTS 0x0010
95 #define USLCOM_MHS_DSR 0x0020
96 #define USLCOM_MHS_RI 0x0040
97 #define USLCOM_MHS_DCD 0x0080
99 /* USLCOM_SET_BAUDDIV values */
100 #define USLCOM_BAUDDIV_REF 3686400 /* 3.6864 MHz */
102 /* USLCOM_SET_LINE_CTL values */
103 #define USLCOM_STOP_BITS_1 0x00
104 #define USLCOM_STOP_BITS_2 0x02
105 #define USLCOM_PARITY_NONE 0x00
106 #define USLCOM_PARITY_ODD 0x10
107 #define USLCOM_PARITY_EVEN 0x20
108 #define USLCOM_SET_DATA_BITS(x) ((x) << 8)
110 /* USLCOM_SET_BREAK values */
111 #define USLCOM_SET_BREAK_OFF 0x00
112 #define USLCOM_SET_BREAK_ON 0x01
114 /* USLCOM_SET_FLOW values - 1st word */
115 #define USLCOM_FLOW_DTR_ON 0x00000001 /* DTR static active */
116 #define USLCOM_FLOW_CTS_HS 0x00000008 /* CTS handshake */
117 /* USLCOM_SET_FLOW values - 2nd word */
118 #define USLCOM_FLOW_RTS_ON 0x00000040 /* RTS static active */
119 #define USLCOM_FLOW_RTS_HS 0x00000080 /* RTS handshake */
121 /* USLCOM_VENDOR_SPECIFIC values */
122 #define USLCOM_WRITE_LATCH 0x37E1
123 #define USLCOM_READ_LATCH 0x00C2
132 struct uslcom_softc {
133 struct ucom_super_softc sc_super_ucom;
134 struct ucom_softc sc_ucom;
135 struct usb_callout sc_watchdog;
137 struct usb_xfer *sc_xfer[USLCOM_N_TRANSFER];
138 struct usb_device *sc_udev;
146 static device_probe_t uslcom_probe;
147 static device_attach_t uslcom_attach;
148 static device_detach_t uslcom_detach;
149 static void uslcom_free_softc(struct uslcom_softc *);
151 static usb_callback_t uslcom_write_callback;
152 static usb_callback_t uslcom_read_callback;
153 static usb_callback_t uslcom_control_callback;
155 static void uslcom_free(struct ucom_softc *);
156 static void uslcom_open(struct ucom_softc *);
157 static void uslcom_close(struct ucom_softc *);
158 static void uslcom_set_dtr(struct ucom_softc *, uint8_t);
159 static void uslcom_set_rts(struct ucom_softc *, uint8_t);
160 static void uslcom_set_break(struct ucom_softc *, uint8_t);
161 static int uslcom_ioctl(struct ucom_softc *, uint32_t, caddr_t, int,
163 static int uslcom_pre_param(struct ucom_softc *, struct termios *);
164 static void uslcom_param(struct ucom_softc *, struct termios *);
165 static void uslcom_get_status(struct ucom_softc *, uint8_t *, uint8_t *);
166 static void uslcom_start_read(struct ucom_softc *);
167 static void uslcom_stop_read(struct ucom_softc *);
168 static void uslcom_start_write(struct ucom_softc *);
169 static void uslcom_stop_write(struct ucom_softc *);
170 static void uslcom_poll(struct ucom_softc *ucom);
172 static const struct usb_config uslcom_config[USLCOM_N_TRANSFER] = {
174 [USLCOM_BULK_DT_WR] = {
176 .endpoint = UE_ADDR_ANY,
177 .direction = UE_DIR_OUT,
178 .bufsize = USLCOM_BULK_BUF_SIZE,
179 .flags = {.pipe_bof = 1,},
180 .callback = &uslcom_write_callback,
183 [USLCOM_BULK_DT_RD] = {
185 .endpoint = UE_ADDR_ANY,
186 .direction = UE_DIR_IN,
187 .bufsize = USLCOM_BULK_BUF_SIZE,
188 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
189 .callback = &uslcom_read_callback,
191 [USLCOM_CTRL_DT_RD] = {
194 .direction = UE_DIR_ANY,
195 .bufsize = sizeof(struct usb_device_request) + 8,
196 .flags = {.pipe_bof = 1,},
197 .callback = &uslcom_control_callback,
198 .timeout = 1000, /* 1 second timeout */
202 static struct ucom_callback uslcom_callback = {
203 .ucom_cfg_open = &uslcom_open,
204 .ucom_cfg_close = &uslcom_close,
205 .ucom_cfg_get_status = &uslcom_get_status,
206 .ucom_cfg_set_dtr = &uslcom_set_dtr,
207 .ucom_cfg_set_rts = &uslcom_set_rts,
208 .ucom_cfg_set_break = &uslcom_set_break,
209 .ucom_ioctl = &uslcom_ioctl,
210 .ucom_cfg_param = &uslcom_param,
211 .ucom_pre_param = &uslcom_pre_param,
212 .ucom_start_read = &uslcom_start_read,
213 .ucom_stop_read = &uslcom_stop_read,
214 .ucom_start_write = &uslcom_start_write,
215 .ucom_stop_write = &uslcom_stop_write,
216 .ucom_poll = &uslcom_poll,
217 .ucom_free = &uslcom_free,
220 static const STRUCT_USB_HOST_ID uslcom_devs[] = {
221 #define USLCOM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
222 USLCOM_DEV(BALTECH, CARDREADER),
223 USLCOM_DEV(CLIPSAL, 5000CT2),
224 USLCOM_DEV(CLIPSAL, 5500PACA),
225 USLCOM_DEV(CLIPSAL, 5500PCU),
226 USLCOM_DEV(CLIPSAL, 560884),
227 USLCOM_DEV(CLIPSAL, 5800PC),
228 USLCOM_DEV(CLIPSAL, C5000CT2),
229 USLCOM_DEV(CLIPSAL, L51xx),
230 USLCOM_DEV(DATAAPEX, MULTICOM),
231 USLCOM_DEV(DELL, DW700),
232 USLCOM_DEV(DIGIANSWER, ZIGBEE802154),
233 USLCOM_DEV(DYNASTREAM, ANTDEVBOARD),
234 USLCOM_DEV(DYNASTREAM, ANTDEVBOARD2),
235 USLCOM_DEV(DYNASTREAM, ANT2USB),
236 USLCOM_DEV(ELV, USBI2C),
237 USLCOM_DEV(FESTO, CMSP),
238 USLCOM_DEV(FESTO, CPX_USB),
239 USLCOM_DEV(FOXCONN, PIRELLI_DP_L10),
240 USLCOM_DEV(FOXCONN, TCOM_TC_300),
241 USLCOM_DEV(GEMALTO, PROXPU),
242 USLCOM_DEV(JABLOTRON, PC60B),
243 USLCOM_DEV(KAMSTRUP, OPTICALEYE),
244 USLCOM_DEV(KAMSTRUP, MBUS_250D),
245 USLCOM_DEV(LINKINSTRUMENTS, MSO19),
246 USLCOM_DEV(LINKINSTRUMENTS, MSO28),
247 USLCOM_DEV(LINKINSTRUMENTS, MSO28_2),
248 USLCOM_DEV(MEI, CASHFLOW_SC),
249 USLCOM_DEV(MEI, S2000),
250 USLCOM_DEV(OWEN, AC4),
251 USLCOM_DEV(PHILIPS, ACE1001),
252 USLCOM_DEV(PLX, CA42),
253 USLCOM_DEV(RENESAS, RX610),
254 USLCOM_DEV(SILABS, AC_SERV_CAN),
255 USLCOM_DEV(SILABS, AC_SERV_CIS),
256 USLCOM_DEV(SILABS, AC_SERV_IBUS),
257 USLCOM_DEV(SILABS, AC_SERV_OBD),
258 USLCOM_DEV(SILABS, AEROCOMM),
259 USLCOM_DEV(SILABS, AMBER_AMB2560),
260 USLCOM_DEV(SILABS, ARGUSISP),
261 USLCOM_DEV(SILABS, ARKHAM_DS101_A),
262 USLCOM_DEV(SILABS, ARKHAM_DS101_M),
263 USLCOM_DEV(SILABS, ARYGON_MIFARE),
264 USLCOM_DEV(SILABS, AVIT_USB_TTL),
265 USLCOM_DEV(SILABS, B_G_H3000),
266 USLCOM_DEV(SILABS, BALLUFF_RFID),
267 USLCOM_DEV(SILABS, BEI_VCP),
268 USLCOM_DEV(SILABS, BSM7DUSB),
269 USLCOM_DEV(SILABS, BURNSIDE),
270 USLCOM_DEV(SILABS, C2_EDGE_MODEM),
271 USLCOM_DEV(SILABS, CP2102),
272 USLCOM_DEV(SILABS, CP210X_2),
273 USLCOM_DEV(SILABS, CP210X_3),
274 USLCOM_DEV(SILABS, CP210X_4),
275 USLCOM_DEV(SILABS, CRUMB128),
276 USLCOM_DEV(SILABS, CYGNAL),
277 USLCOM_DEV(SILABS, CYGNAL_DEBUG),
278 USLCOM_DEV(SILABS, CYGNAL_GPS),
279 USLCOM_DEV(SILABS, DEGREE),
280 USLCOM_DEV(SILABS, DEKTEK_DTAPLUS),
281 USLCOM_DEV(SILABS, EMS_C1007),
282 USLCOM_DEV(SILABS, HAMLINKUSB),
283 USLCOM_DEV(SILABS, HELICOM),
284 USLCOM_DEV(SILABS, IMS_USB_RS422),
285 USLCOM_DEV(SILABS, INFINITY_MIC),
286 USLCOM_DEV(SILABS, INSYS_MODEM),
287 USLCOM_DEV(SILABS, IRZ_SG10),
288 USLCOM_DEV(SILABS, KYOCERA_GPS),
289 USLCOM_DEV(SILABS, LIPOWSKY_HARP),
290 USLCOM_DEV(SILABS, LIPOWSKY_JTAG),
291 USLCOM_DEV(SILABS, LIPOWSKY_LIN),
292 USLCOM_DEV(SILABS, MC35PU),
293 USLCOM_DEV(SILABS, MJS_TOSLINK),
294 USLCOM_DEV(SILABS, MSD_DASHHAWK),
295 USLCOM_DEV(SILABS, MULTIPLEX_RC),
296 USLCOM_DEV(SILABS, OPTRIS_MSPRO),
297 USLCOM_DEV(SILABS, POLOLU),
298 USLCOM_DEV(SILABS, PROCYON_AVS),
299 USLCOM_DEV(SILABS, SB_PARAMOUNT_ME),
300 USLCOM_DEV(SILABS, SUUNTO),
301 USLCOM_DEV(SILABS, TAMSMASTER),
302 USLCOM_DEV(SILABS, TELEGESIS_ETRX2),
303 USLCOM_DEV(SILABS, TRACIENT),
304 USLCOM_DEV(SILABS, TRAQMATE),
305 USLCOM_DEV(SILABS, USBCOUNT50),
306 USLCOM_DEV(SILABS, USBPULSE100),
307 USLCOM_DEV(SILABS, USBSCOPE50),
308 USLCOM_DEV(SILABS, USBWAVE12),
309 USLCOM_DEV(SILABS, VSTABI),
310 USLCOM_DEV(SILABS, WAVIT),
311 USLCOM_DEV(SILABS, WMRBATT),
312 USLCOM_DEV(SILABS, WMRRIGBLASTER),
313 USLCOM_DEV(SILABS, WMRRIGTALK),
314 USLCOM_DEV(SILABS, ZEPHYR_BIO),
315 USLCOM_DEV(SILABS2, DCU11CLONE),
316 USLCOM_DEV(SILABS3, GPRS_MODEM),
317 USLCOM_DEV(SILABS4, 100EU_MODEM),
318 USLCOM_DEV(SYNTECH, CYPHERLAB100),
319 USLCOM_DEV(USI, MC60),
320 USLCOM_DEV(VAISALA, CABLE),
321 USLCOM_DEV(WAGO, SERVICECABLE),
322 USLCOM_DEV(WAVESENSE, JAZZ),
323 USLCOM_DEV(WIENERPLEINBAUS, PL512),
324 USLCOM_DEV(WIENERPLEINBAUS, RCM),
325 USLCOM_DEV(WIENERPLEINBAUS, MPOD),
326 USLCOM_DEV(WIENERPLEINBAUS, CML),
330 static device_method_t uslcom_methods[] = {
331 DEVMETHOD(device_probe, uslcom_probe),
332 DEVMETHOD(device_attach, uslcom_attach),
333 DEVMETHOD(device_detach, uslcom_detach),
337 static devclass_t uslcom_devclass;
339 static driver_t uslcom_driver = {
341 .methods = uslcom_methods,
342 .size = sizeof(struct uslcom_softc),
345 DRIVER_MODULE(uslcom, uhub, uslcom_driver, uslcom_devclass, NULL, 0);
346 MODULE_DEPEND(uslcom, ucom, 1, 1, 1);
347 MODULE_DEPEND(uslcom, usb, 1, 1, 1);
348 MODULE_VERSION(uslcom, 1);
351 uslcom_watchdog(void *arg)
353 struct uslcom_softc *sc = arg;
355 mtx_assert(&sc->sc_mtx, MA_OWNED);
357 usbd_transfer_start(sc->sc_xfer[USLCOM_CTRL_DT_RD]);
359 usb_callout_reset(&sc->sc_watchdog,
360 hz / 4, &uslcom_watchdog, sc);
364 uslcom_probe(device_t dev)
366 struct usb_attach_arg *uaa = device_get_ivars(dev);
370 if (uaa->usb_mode != USB_MODE_HOST) {
373 if (uaa->info.bConfigIndex != USLCOM_CONFIG_INDEX) {
376 return (usbd_lookup_id_by_uaa(uslcom_devs, sizeof(uslcom_devs), uaa));
380 uslcom_attach(device_t dev)
382 struct usb_attach_arg *uaa = device_get_ivars(dev);
383 struct uslcom_softc *sc = device_get_softc(dev);
388 device_set_usb_desc(dev);
389 mtx_init(&sc->sc_mtx, "uslcom", NULL, MTX_DEF);
390 ucom_ref(&sc->sc_super_ucom);
391 usb_callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0);
393 sc->sc_udev = uaa->device;
394 /* use the interface number from the USB interface descriptor */
395 sc->sc_iface_no = uaa->info.bIfaceNum;
397 error = usbd_transfer_setup(uaa->device,
398 &uaa->info.bIfaceIndex, sc->sc_xfer, uslcom_config,
399 USLCOM_N_TRANSFER, sc, &sc->sc_mtx);
401 DPRINTF("one or more missing USB endpoints, "
402 "error=%s\n", usbd_errstr(error));
405 /* clear stall at first run */
406 mtx_lock(&sc->sc_mtx);
407 usbd_xfer_set_stall(sc->sc_xfer[USLCOM_BULK_DT_WR]);
408 usbd_xfer_set_stall(sc->sc_xfer[USLCOM_BULK_DT_RD]);
409 mtx_unlock(&sc->sc_mtx);
411 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
412 &uslcom_callback, &sc->sc_mtx);
416 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
426 uslcom_detach(device_t dev)
428 struct uslcom_softc *sc = device_get_softc(dev);
430 DPRINTF("sc=%p\n", sc);
432 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
433 usbd_transfer_unsetup(sc->sc_xfer, USLCOM_N_TRANSFER);
435 usb_callout_drain(&sc->sc_watchdog);
437 device_claim_softc(dev);
439 uslcom_free_softc(sc);
444 UCOM_UNLOAD_DRAIN(uslcom);
447 uslcom_free_softc(struct uslcom_softc *sc)
449 if (ucom_unref(&sc->sc_super_ucom)) {
450 mtx_destroy(&sc->sc_mtx);
451 device_free_softc(sc);
456 uslcom_free(struct ucom_softc *ucom)
458 uslcom_free_softc(ucom->sc_parent);
462 uslcom_open(struct ucom_softc *ucom)
464 struct uslcom_softc *sc = ucom->sc_parent;
465 struct usb_device_request req;
467 req.bmRequestType = USLCOM_WRITE;
468 req.bRequest = USLCOM_IFC_ENABLE;
469 USETW(req.wValue, USLCOM_IFC_ENABLE_EN);
470 USETW(req.wIndex, sc->sc_iface_no);
471 USETW(req.wLength, 0);
473 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
474 &req, NULL, 0, 1000)) {
475 DPRINTF("UART enable failed (ignored)\n");
478 /* start polling status */
483 uslcom_close(struct ucom_softc *ucom)
485 struct uslcom_softc *sc = ucom->sc_parent;
486 struct usb_device_request req;
488 /* stop polling status */
489 usb_callout_stop(&sc->sc_watchdog);
491 req.bmRequestType = USLCOM_WRITE;
492 req.bRequest = USLCOM_IFC_ENABLE;
493 USETW(req.wValue, USLCOM_IFC_ENABLE_DIS);
494 USETW(req.wIndex, sc->sc_iface_no);
495 USETW(req.wLength, 0);
497 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
498 &req, NULL, 0, 1000)) {
499 DPRINTF("UART disable failed (ignored)\n");
504 uslcom_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
506 struct uslcom_softc *sc = ucom->sc_parent;
507 struct usb_device_request req;
510 DPRINTF("onoff = %d\n", onoff);
512 ctl = onoff ? USLCOM_MHS_DTR_ON : 0;
513 ctl |= USLCOM_MHS_DTR_SET;
515 req.bmRequestType = USLCOM_WRITE;
516 req.bRequest = USLCOM_SET_MHS;
517 USETW(req.wValue, ctl);
518 USETW(req.wIndex, sc->sc_iface_no);
519 USETW(req.wLength, 0);
521 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
522 &req, NULL, 0, 1000)) {
523 DPRINTF("Setting DTR failed (ignored)\n");
528 uslcom_set_rts(struct ucom_softc *ucom, uint8_t onoff)
530 struct uslcom_softc *sc = ucom->sc_parent;
531 struct usb_device_request req;
534 DPRINTF("onoff = %d\n", onoff);
536 ctl = onoff ? USLCOM_MHS_RTS_ON : 0;
537 ctl |= USLCOM_MHS_RTS_SET;
539 req.bmRequestType = USLCOM_WRITE;
540 req.bRequest = USLCOM_SET_MHS;
541 USETW(req.wValue, ctl);
542 USETW(req.wIndex, sc->sc_iface_no);
543 USETW(req.wLength, 0);
545 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
546 &req, NULL, 0, 1000)) {
547 DPRINTF("Setting DTR failed (ignored)\n");
552 uslcom_pre_param(struct ucom_softc *ucom, struct termios *t)
554 if (t->c_ospeed <= 0 || t->c_ospeed > 921600)
560 uslcom_param(struct ucom_softc *ucom, struct termios *t)
562 struct uslcom_softc *sc = ucom->sc_parent;
563 struct usb_device_request req;
564 uint32_t baudrate, flowctrl[4];
569 baudrate = t->c_ospeed;
570 req.bmRequestType = USLCOM_WRITE;
571 req.bRequest = USLCOM_SET_BAUDRATE;
572 USETW(req.wValue, 0);
573 USETW(req.wIndex, sc->sc_iface_no);
574 USETW(req.wLength, sizeof(baudrate));
576 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
577 &req, &baudrate, 0, 1000)) {
578 DPRINTF("Set baudrate failed (ignored)\n");
581 if (t->c_cflag & CSTOPB)
582 data = USLCOM_STOP_BITS_2;
584 data = USLCOM_STOP_BITS_1;
585 if (t->c_cflag & PARENB) {
586 if (t->c_cflag & PARODD)
587 data |= USLCOM_PARITY_ODD;
589 data |= USLCOM_PARITY_EVEN;
591 data |= USLCOM_PARITY_NONE;
592 switch (t->c_cflag & CSIZE) {
594 data |= USLCOM_SET_DATA_BITS(5);
597 data |= USLCOM_SET_DATA_BITS(6);
600 data |= USLCOM_SET_DATA_BITS(7);
603 data |= USLCOM_SET_DATA_BITS(8);
607 req.bmRequestType = USLCOM_WRITE;
608 req.bRequest = USLCOM_SET_LINE_CTL;
609 USETW(req.wValue, data);
610 USETW(req.wIndex, sc->sc_iface_no);
611 USETW(req.wLength, 0);
613 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
614 &req, NULL, 0, 1000)) {
615 DPRINTF("Set format failed (ignored)\n");
618 if (t->c_cflag & CRTSCTS) {
619 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON | USLCOM_FLOW_CTS_HS);
620 flowctrl[1] = htole32(USLCOM_FLOW_RTS_HS);
622 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON);
623 flowctrl[1] = htole32(USLCOM_FLOW_RTS_ON);
627 req.bmRequestType = USLCOM_WRITE;
628 req.bRequest = USLCOM_SET_FLOW;
629 USETW(req.wValue, 0);
630 USETW(req.wIndex, sc->sc_iface_no);
631 USETW(req.wLength, sizeof(flowctrl));
633 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
634 &req, flowctrl, 0, 1000)) {
635 DPRINTF("Set flowcontrol failed (ignored)\n");
640 uslcom_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
642 struct uslcom_softc *sc = ucom->sc_parent;
651 uslcom_set_break(struct ucom_softc *ucom, uint8_t onoff)
653 struct uslcom_softc *sc = ucom->sc_parent;
654 struct usb_device_request req;
655 uint16_t brk = onoff ? USLCOM_SET_BREAK_ON : USLCOM_SET_BREAK_OFF;
657 req.bmRequestType = USLCOM_WRITE;
658 req.bRequest = USLCOM_SET_BREAK;
659 USETW(req.wValue, brk);
660 USETW(req.wIndex, sc->sc_iface_no);
661 USETW(req.wLength, 0);
663 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
664 &req, NULL, 0, 1000)) {
665 DPRINTF("Set BREAK failed (ignored)\n");
670 uslcom_ioctl(struct ucom_softc *ucom, uint32_t cmd, caddr_t data,
671 int flag, struct thread *td)
673 struct uslcom_softc *sc = ucom->sc_parent;
674 struct usb_device_request req;
678 DPRINTF("cmd=0x%08x\n", cmd);
682 req.bmRequestType = USLCOM_READ;
683 req.bRequest = USLCOM_VENDOR_SPECIFIC;
684 USETW(req.wValue, USLCOM_READ_LATCH);
685 USETW(req.wIndex, 0);
686 USETW(req.wLength, sizeof(latch));
688 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
689 &req, &latch, 0, 1000)) {
690 DPRINTF("Get LATCH failed\n");
693 *(int *)data = latch;
697 req.bmRequestType = USLCOM_WRITE;
698 req.bRequest = USLCOM_VENDOR_SPECIFIC;
699 USETW(req.wValue, USLCOM_WRITE_LATCH);
700 USETW(req.wIndex, (*(int *)data));
701 USETW(req.wLength, 0);
703 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
704 &req, NULL, 0, 1000)) {
705 DPRINTF("Set LATCH failed\n");
711 DPRINTF("Unknown IOCTL\n");
719 uslcom_write_callback(struct usb_xfer *xfer, usb_error_t error)
721 struct uslcom_softc *sc = usbd_xfer_softc(xfer);
722 struct usb_page_cache *pc;
725 switch (USB_GET_STATE(xfer)) {
727 case USB_ST_TRANSFERRED:
729 pc = usbd_xfer_get_frame(xfer, 0);
730 if (ucom_get_data(&sc->sc_ucom, pc, 0,
731 USLCOM_BULK_BUF_SIZE, &actlen)) {
733 DPRINTF("actlen = %d\n", actlen);
735 usbd_xfer_set_frame_len(xfer, 0, actlen);
736 usbd_transfer_submit(xfer);
741 if (error != USB_ERR_CANCELLED) {
742 /* try to clear stall first */
743 usbd_xfer_set_stall(xfer);
751 uslcom_read_callback(struct usb_xfer *xfer, usb_error_t error)
753 struct uslcom_softc *sc = usbd_xfer_softc(xfer);
754 struct usb_page_cache *pc;
757 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
759 switch (USB_GET_STATE(xfer)) {
760 case USB_ST_TRANSFERRED:
761 pc = usbd_xfer_get_frame(xfer, 0);
762 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
766 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
767 usbd_transfer_submit(xfer);
771 if (error != USB_ERR_CANCELLED) {
772 /* try to clear stall first */
773 usbd_xfer_set_stall(xfer);
781 uslcom_control_callback(struct usb_xfer *xfer, usb_error_t error)
783 struct uslcom_softc *sc = usbd_xfer_softc(xfer);
784 struct usb_page_cache *pc;
785 struct usb_device_request req;
789 switch (USB_GET_STATE(xfer)) {
790 case USB_ST_TRANSFERRED:
791 pc = usbd_xfer_get_frame(xfer, 1);
792 usbd_copy_out(pc, 0, &buf, sizeof(buf));
793 if (buf & USLCOM_MHS_CTS)
795 if (buf & USLCOM_MHS_DSR)
797 if (buf & USLCOM_MHS_RI)
799 if (buf & USLCOM_MHS_DCD)
802 if (msr != sc->sc_msr) {
803 DPRINTF("status change msr=0x%02x "
804 "(was 0x%02x)\n", msr, sc->sc_msr);
806 ucom_status_change(&sc->sc_ucom);
811 req.bmRequestType = USLCOM_READ;
812 req.bRequest = USLCOM_GET_MDMSTS;
813 USETW(req.wValue, 0);
814 USETW(req.wIndex, sc->sc_iface_no);
815 USETW(req.wLength, sizeof(buf));
817 usbd_xfer_set_frames(xfer, 2);
818 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
819 usbd_xfer_set_frame_len(xfer, 1, sizeof(buf));
821 pc = usbd_xfer_get_frame(xfer, 0);
822 usbd_copy_in(pc, 0, &req, sizeof(req));
823 usbd_transfer_submit(xfer);
827 if (error != USB_ERR_CANCELLED)
828 DPRINTF("error=%s\n", usbd_errstr(error));
834 uslcom_start_read(struct ucom_softc *ucom)
836 struct uslcom_softc *sc = ucom->sc_parent;
838 /* start read endpoint */
839 usbd_transfer_start(sc->sc_xfer[USLCOM_BULK_DT_RD]);
843 uslcom_stop_read(struct ucom_softc *ucom)
845 struct uslcom_softc *sc = ucom->sc_parent;
847 /* stop read endpoint */
848 usbd_transfer_stop(sc->sc_xfer[USLCOM_BULK_DT_RD]);
852 uslcom_start_write(struct ucom_softc *ucom)
854 struct uslcom_softc *sc = ucom->sc_parent;
856 usbd_transfer_start(sc->sc_xfer[USLCOM_BULK_DT_WR]);
860 uslcom_stop_write(struct ucom_softc *ucom)
862 struct uslcom_softc *sc = ucom->sc_parent;
864 usbd_transfer_stop(sc->sc_xfer[USLCOM_BULK_DT_WR]);
868 uslcom_poll(struct ucom_softc *ucom)
870 struct uslcom_softc *sc = ucom->sc_parent;
871 usbd_transfer_poll(sc->sc_xfer, USLCOM_N_TRANSFER);