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_GET_PARTNUM 0x370B
123 #define USLCOM_WRITE_LATCH 0x37E1
124 #define USLCOM_READ_LATCH 0x00C2
126 /* USLCOM_GET_PARTNUM values from hardware */
127 #define USLCOM_PARTNUM_CP2101 1
128 #define USLCOM_PARTNUM_CP2102 2
129 #define USLCOM_PARTNUM_CP2103 3
130 #define USLCOM_PARTNUM_CP2104 4
131 #define USLCOM_PARTNUM_CP2105 5
140 struct uslcom_softc {
141 struct ucom_super_softc sc_super_ucom;
142 struct ucom_softc sc_ucom;
143 struct usb_callout sc_watchdog;
145 struct usb_xfer *sc_xfer[USLCOM_N_TRANSFER];
146 struct usb_device *sc_udev;
155 static device_probe_t uslcom_probe;
156 static device_attach_t uslcom_attach;
157 static device_detach_t uslcom_detach;
158 static void uslcom_free_softc(struct uslcom_softc *);
160 static usb_callback_t uslcom_write_callback;
161 static usb_callback_t uslcom_read_callback;
162 static usb_callback_t uslcom_control_callback;
164 static void uslcom_free(struct ucom_softc *);
165 static void uslcom_open(struct ucom_softc *);
166 static void uslcom_close(struct ucom_softc *);
167 static uint8_t uslcom_get_partnum(struct uslcom_softc *);
168 static void uslcom_set_dtr(struct ucom_softc *, uint8_t);
169 static void uslcom_set_rts(struct ucom_softc *, uint8_t);
170 static void uslcom_set_break(struct ucom_softc *, uint8_t);
171 static int uslcom_ioctl(struct ucom_softc *, uint32_t, caddr_t, int,
173 static int uslcom_pre_param(struct ucom_softc *, struct termios *);
174 static void uslcom_param(struct ucom_softc *, struct termios *);
175 static void uslcom_get_status(struct ucom_softc *, uint8_t *, uint8_t *);
176 static void uslcom_start_read(struct ucom_softc *);
177 static void uslcom_stop_read(struct ucom_softc *);
178 static void uslcom_start_write(struct ucom_softc *);
179 static void uslcom_stop_write(struct ucom_softc *);
180 static void uslcom_poll(struct ucom_softc *ucom);
182 static const struct usb_config uslcom_config[USLCOM_N_TRANSFER] = {
184 [USLCOM_BULK_DT_WR] = {
186 .endpoint = UE_ADDR_ANY,
187 .direction = UE_DIR_OUT,
188 .bufsize = USLCOM_BULK_BUF_SIZE,
189 .flags = {.pipe_bof = 1,},
190 .callback = &uslcom_write_callback,
193 [USLCOM_BULK_DT_RD] = {
195 .endpoint = UE_ADDR_ANY,
196 .direction = UE_DIR_IN,
197 .bufsize = USLCOM_BULK_BUF_SIZE,
198 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
199 .callback = &uslcom_read_callback,
201 [USLCOM_CTRL_DT_RD] = {
204 .direction = UE_DIR_ANY,
205 .bufsize = sizeof(struct usb_device_request) + 8,
206 .flags = {.pipe_bof = 1,},
207 .callback = &uslcom_control_callback,
208 .timeout = 1000, /* 1 second timeout */
212 static struct ucom_callback uslcom_callback = {
213 .ucom_cfg_open = &uslcom_open,
214 .ucom_cfg_close = &uslcom_close,
215 .ucom_cfg_get_status = &uslcom_get_status,
216 .ucom_cfg_set_dtr = &uslcom_set_dtr,
217 .ucom_cfg_set_rts = &uslcom_set_rts,
218 .ucom_cfg_set_break = &uslcom_set_break,
219 .ucom_ioctl = &uslcom_ioctl,
220 .ucom_cfg_param = &uslcom_param,
221 .ucom_pre_param = &uslcom_pre_param,
222 .ucom_start_read = &uslcom_start_read,
223 .ucom_stop_read = &uslcom_stop_read,
224 .ucom_start_write = &uslcom_start_write,
225 .ucom_stop_write = &uslcom_stop_write,
226 .ucom_poll = &uslcom_poll,
227 .ucom_free = &uslcom_free,
230 static const STRUCT_USB_HOST_ID uslcom_devs[] = {
231 #define USLCOM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
232 USLCOM_DEV(BALTECH, CARDREADER),
233 USLCOM_DEV(CLIPSAL, 5000CT2),
234 USLCOM_DEV(CLIPSAL, 5500PACA),
235 USLCOM_DEV(CLIPSAL, 5500PCU),
236 USLCOM_DEV(CLIPSAL, 560884),
237 USLCOM_DEV(CLIPSAL, 5800PC),
238 USLCOM_DEV(CLIPSAL, C5000CT2),
239 USLCOM_DEV(CLIPSAL, L51xx),
240 USLCOM_DEV(DATAAPEX, MULTICOM),
241 USLCOM_DEV(DELL, DW700),
242 USLCOM_DEV(DIGIANSWER, ZIGBEE802154),
243 USLCOM_DEV(DYNASTREAM, ANTDEVBOARD),
244 USLCOM_DEV(DYNASTREAM, ANTDEVBOARD2),
245 USLCOM_DEV(DYNASTREAM, ANT2USB),
246 USLCOM_DEV(ELV, USBI2C),
247 USLCOM_DEV(FESTO, CMSP),
248 USLCOM_DEV(FESTO, CPX_USB),
249 USLCOM_DEV(FOXCONN, PIRELLI_DP_L10),
250 USLCOM_DEV(FOXCONN, TCOM_TC_300),
251 USLCOM_DEV(GEMALTO, PROXPU),
252 USLCOM_DEV(JABLOTRON, PC60B),
253 USLCOM_DEV(KAMSTRUP, OPTICALEYE),
254 USLCOM_DEV(KAMSTRUP, MBUS_250D),
255 USLCOM_DEV(LINKINSTRUMENTS, MSO19),
256 USLCOM_DEV(LINKINSTRUMENTS, MSO28),
257 USLCOM_DEV(LINKINSTRUMENTS, MSO28_2),
258 USLCOM_DEV(MEI, CASHFLOW_SC),
259 USLCOM_DEV(MEI, S2000),
260 USLCOM_DEV(OWEN, AC4),
261 USLCOM_DEV(PHILIPS, ACE1001),
262 USLCOM_DEV(PLX, CA42),
263 USLCOM_DEV(RENESAS, RX610),
264 USLCOM_DEV(SILABS, AC_SERV_CAN),
265 USLCOM_DEV(SILABS, AC_SERV_CIS),
266 USLCOM_DEV(SILABS, AC_SERV_IBUS),
267 USLCOM_DEV(SILABS, AC_SERV_OBD),
268 USLCOM_DEV(SILABS, AEROCOMM),
269 USLCOM_DEV(SILABS, AMBER_AMB2560),
270 USLCOM_DEV(SILABS, ARGUSISP),
271 USLCOM_DEV(SILABS, ARKHAM_DS101_A),
272 USLCOM_DEV(SILABS, ARKHAM_DS101_M),
273 USLCOM_DEV(SILABS, ARYGON_MIFARE),
274 USLCOM_DEV(SILABS, AVIT_USB_TTL),
275 USLCOM_DEV(SILABS, B_G_H3000),
276 USLCOM_DEV(SILABS, BALLUFF_RFID),
277 USLCOM_DEV(SILABS, BEI_VCP),
278 USLCOM_DEV(SILABS, BSM7DUSB),
279 USLCOM_DEV(SILABS, BURNSIDE),
280 USLCOM_DEV(SILABS, C2_EDGE_MODEM),
281 USLCOM_DEV(SILABS, CP2102),
282 USLCOM_DEV(SILABS, CP210X_2),
283 USLCOM_DEV(SILABS, CP210X_3),
284 USLCOM_DEV(SILABS, CP210X_4),
285 USLCOM_DEV(SILABS, CRUMB128),
286 USLCOM_DEV(SILABS, CYGNAL),
287 USLCOM_DEV(SILABS, CYGNAL_DEBUG),
288 USLCOM_DEV(SILABS, CYGNAL_GPS),
289 USLCOM_DEV(SILABS, DEGREE),
290 USLCOM_DEV(SILABS, DEKTEK_DTAPLUS),
291 USLCOM_DEV(SILABS, EMS_C1007),
292 USLCOM_DEV(SILABS, HAMLINKUSB),
293 USLCOM_DEV(SILABS, HELICOM),
294 USLCOM_DEV(SILABS, IMS_USB_RS422),
295 USLCOM_DEV(SILABS, INFINITY_MIC),
296 USLCOM_DEV(SILABS, INSYS_MODEM),
297 USLCOM_DEV(SILABS, IRZ_SG10),
298 USLCOM_DEV(SILABS, KYOCERA_GPS),
299 USLCOM_DEV(SILABS, LIPOWSKY_HARP),
300 USLCOM_DEV(SILABS, LIPOWSKY_JTAG),
301 USLCOM_DEV(SILABS, LIPOWSKY_LIN),
302 USLCOM_DEV(SILABS, MC35PU),
303 USLCOM_DEV(SILABS, MJS_TOSLINK),
304 USLCOM_DEV(SILABS, MSD_DASHHAWK),
305 USLCOM_DEV(SILABS, MULTIPLEX_RC),
306 USLCOM_DEV(SILABS, OPTRIS_MSPRO),
307 USLCOM_DEV(SILABS, POLOLU),
308 USLCOM_DEV(SILABS, PROCYON_AVS),
309 USLCOM_DEV(SILABS, SB_PARAMOUNT_ME),
310 USLCOM_DEV(SILABS, SUUNTO),
311 USLCOM_DEV(SILABS, TAMSMASTER),
312 USLCOM_DEV(SILABS, TELEGESIS_ETRX2),
313 USLCOM_DEV(SILABS, TRACIENT),
314 USLCOM_DEV(SILABS, TRAQMATE),
315 USLCOM_DEV(SILABS, USBCOUNT50),
316 USLCOM_DEV(SILABS, USBPULSE100),
317 USLCOM_DEV(SILABS, USBSCOPE50),
318 USLCOM_DEV(SILABS, USBWAVE12),
319 USLCOM_DEV(SILABS, VSTABI),
320 USLCOM_DEV(SILABS, WAVIT),
321 USLCOM_DEV(SILABS, WMRBATT),
322 USLCOM_DEV(SILABS, WMRRIGBLASTER),
323 USLCOM_DEV(SILABS, WMRRIGTALK),
324 USLCOM_DEV(SILABS, ZEPHYR_BIO),
325 USLCOM_DEV(SILABS2, DCU11CLONE),
326 USLCOM_DEV(SILABS3, GPRS_MODEM),
327 USLCOM_DEV(SILABS4, 100EU_MODEM),
328 USLCOM_DEV(SYNTECH, CYPHERLAB100),
329 USLCOM_DEV(USI, MC60),
330 USLCOM_DEV(VAISALA, CABLE),
331 USLCOM_DEV(WAGO, SERVICECABLE),
332 USLCOM_DEV(WAVESENSE, JAZZ),
333 USLCOM_DEV(WIENERPLEINBAUS, PL512),
334 USLCOM_DEV(WIENERPLEINBAUS, RCM),
335 USLCOM_DEV(WIENERPLEINBAUS, MPOD),
336 USLCOM_DEV(WIENERPLEINBAUS, CML),
340 static device_method_t uslcom_methods[] = {
341 DEVMETHOD(device_probe, uslcom_probe),
342 DEVMETHOD(device_attach, uslcom_attach),
343 DEVMETHOD(device_detach, uslcom_detach),
347 static devclass_t uslcom_devclass;
349 static driver_t uslcom_driver = {
351 .methods = uslcom_methods,
352 .size = sizeof(struct uslcom_softc),
355 DRIVER_MODULE(uslcom, uhub, uslcom_driver, uslcom_devclass, NULL, 0);
356 MODULE_DEPEND(uslcom, ucom, 1, 1, 1);
357 MODULE_DEPEND(uslcom, usb, 1, 1, 1);
358 MODULE_VERSION(uslcom, 1);
361 uslcom_watchdog(void *arg)
363 struct uslcom_softc *sc = arg;
365 mtx_assert(&sc->sc_mtx, MA_OWNED);
367 usbd_transfer_start(sc->sc_xfer[USLCOM_CTRL_DT_RD]);
369 usb_callout_reset(&sc->sc_watchdog,
370 hz / 4, &uslcom_watchdog, sc);
374 uslcom_probe(device_t dev)
376 struct usb_attach_arg *uaa = device_get_ivars(dev);
380 if (uaa->usb_mode != USB_MODE_HOST) {
383 if (uaa->info.bConfigIndex != USLCOM_CONFIG_INDEX) {
386 return (usbd_lookup_id_by_uaa(uslcom_devs, sizeof(uslcom_devs), uaa));
390 uslcom_attach(device_t dev)
392 struct usb_attach_arg *uaa = device_get_ivars(dev);
393 struct uslcom_softc *sc = device_get_softc(dev);
398 device_set_usb_desc(dev);
399 mtx_init(&sc->sc_mtx, "uslcom", NULL, MTX_DEF);
400 ucom_ref(&sc->sc_super_ucom);
401 usb_callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0);
403 sc->sc_udev = uaa->device;
404 /* use the interface number from the USB interface descriptor */
405 sc->sc_iface_no = uaa->info.bIfaceNum;
407 error = usbd_transfer_setup(uaa->device,
408 &uaa->info.bIfaceIndex, sc->sc_xfer, uslcom_config,
409 USLCOM_N_TRANSFER, sc, &sc->sc_mtx);
411 DPRINTF("one or more missing USB endpoints, "
412 "error=%s\n", usbd_errstr(error));
415 /* clear stall at first run */
416 mtx_lock(&sc->sc_mtx);
417 usbd_xfer_set_stall(sc->sc_xfer[USLCOM_BULK_DT_WR]);
418 usbd_xfer_set_stall(sc->sc_xfer[USLCOM_BULK_DT_RD]);
419 mtx_unlock(&sc->sc_mtx);
421 sc->sc_partnum = uslcom_get_partnum(sc);
423 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
424 &uslcom_callback, &sc->sc_mtx);
428 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
438 uslcom_detach(device_t dev)
440 struct uslcom_softc *sc = device_get_softc(dev);
442 DPRINTF("sc=%p\n", sc);
444 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
445 usbd_transfer_unsetup(sc->sc_xfer, USLCOM_N_TRANSFER);
447 usb_callout_drain(&sc->sc_watchdog);
449 device_claim_softc(dev);
451 uslcom_free_softc(sc);
456 UCOM_UNLOAD_DRAIN(uslcom);
459 uslcom_free_softc(struct uslcom_softc *sc)
461 if (ucom_unref(&sc->sc_super_ucom)) {
462 mtx_destroy(&sc->sc_mtx);
463 device_free_softc(sc);
468 uslcom_free(struct ucom_softc *ucom)
470 uslcom_free_softc(ucom->sc_parent);
474 uslcom_open(struct ucom_softc *ucom)
476 struct uslcom_softc *sc = ucom->sc_parent;
477 struct usb_device_request req;
479 req.bmRequestType = USLCOM_WRITE;
480 req.bRequest = USLCOM_IFC_ENABLE;
481 USETW(req.wValue, USLCOM_IFC_ENABLE_EN);
482 USETW(req.wIndex, sc->sc_iface_no);
483 USETW(req.wLength, 0);
485 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
486 &req, NULL, 0, 1000)) {
487 DPRINTF("UART enable failed (ignored)\n");
490 /* start polling status */
495 uslcom_close(struct ucom_softc *ucom)
497 struct uslcom_softc *sc = ucom->sc_parent;
498 struct usb_device_request req;
500 /* stop polling status */
501 usb_callout_stop(&sc->sc_watchdog);
503 req.bmRequestType = USLCOM_WRITE;
504 req.bRequest = USLCOM_IFC_ENABLE;
505 USETW(req.wValue, USLCOM_IFC_ENABLE_DIS);
506 USETW(req.wIndex, sc->sc_iface_no);
507 USETW(req.wLength, 0);
509 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
510 &req, NULL, 0, 1000)) {
511 DPRINTF("UART disable failed (ignored)\n");
516 uslcom_get_partnum(struct uslcom_softc *sc)
518 struct usb_device_request req;
521 /* Find specific chip type */
523 req.bmRequestType = USLCOM_READ;
524 req.bRequest = USLCOM_VENDOR_SPECIFIC;
525 USETW(req.wValue, USLCOM_GET_PARTNUM);
526 USETW(req.wIndex, sc->sc_iface_no);
527 USETW(req.wLength, sizeof(partnum));
529 if (usbd_do_request_flags(sc->sc_udev, NULL,
530 &req, &partnum, 0, NULL, 1000)) {
531 DPRINTF("GET_PARTNUM failed\n");
538 uslcom_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
540 struct uslcom_softc *sc = ucom->sc_parent;
541 struct usb_device_request req;
544 DPRINTF("onoff = %d\n", onoff);
546 ctl = onoff ? USLCOM_MHS_DTR_ON : 0;
547 ctl |= USLCOM_MHS_DTR_SET;
549 req.bmRequestType = USLCOM_WRITE;
550 req.bRequest = USLCOM_SET_MHS;
551 USETW(req.wValue, ctl);
552 USETW(req.wIndex, sc->sc_iface_no);
553 USETW(req.wLength, 0);
555 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
556 &req, NULL, 0, 1000)) {
557 DPRINTF("Setting DTR failed (ignored)\n");
562 uslcom_set_rts(struct ucom_softc *ucom, uint8_t onoff)
564 struct uslcom_softc *sc = ucom->sc_parent;
565 struct usb_device_request req;
568 DPRINTF("onoff = %d\n", onoff);
570 ctl = onoff ? USLCOM_MHS_RTS_ON : 0;
571 ctl |= USLCOM_MHS_RTS_SET;
573 req.bmRequestType = USLCOM_WRITE;
574 req.bRequest = USLCOM_SET_MHS;
575 USETW(req.wValue, ctl);
576 USETW(req.wIndex, sc->sc_iface_no);
577 USETW(req.wLength, 0);
579 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
580 &req, NULL, 0, 1000)) {
581 DPRINTF("Setting DTR failed (ignored)\n");
586 uslcom_pre_param(struct ucom_softc *ucom, struct termios *t)
588 if (t->c_ospeed <= 0 || t->c_ospeed > 921600)
594 uslcom_param(struct ucom_softc *ucom, struct termios *t)
596 struct uslcom_softc *sc = ucom->sc_parent;
597 struct usb_device_request req;
598 uint32_t baudrate, flowctrl[4];
603 baudrate = t->c_ospeed;
604 req.bmRequestType = USLCOM_WRITE;
605 req.bRequest = USLCOM_SET_BAUDRATE;
606 USETW(req.wValue, 0);
607 USETW(req.wIndex, sc->sc_iface_no);
608 USETW(req.wLength, sizeof(baudrate));
610 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
611 &req, &baudrate, 0, 1000)) {
612 DPRINTF("Set baudrate failed (ignored)\n");
615 if (t->c_cflag & CSTOPB)
616 data = USLCOM_STOP_BITS_2;
618 data = USLCOM_STOP_BITS_1;
619 if (t->c_cflag & PARENB) {
620 if (t->c_cflag & PARODD)
621 data |= USLCOM_PARITY_ODD;
623 data |= USLCOM_PARITY_EVEN;
625 data |= USLCOM_PARITY_NONE;
626 switch (t->c_cflag & CSIZE) {
628 data |= USLCOM_SET_DATA_BITS(5);
631 data |= USLCOM_SET_DATA_BITS(6);
634 data |= USLCOM_SET_DATA_BITS(7);
637 data |= USLCOM_SET_DATA_BITS(8);
641 req.bmRequestType = USLCOM_WRITE;
642 req.bRequest = USLCOM_SET_LINE_CTL;
643 USETW(req.wValue, data);
644 USETW(req.wIndex, sc->sc_iface_no);
645 USETW(req.wLength, 0);
647 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
648 &req, NULL, 0, 1000)) {
649 DPRINTF("Set format failed (ignored)\n");
652 if (t->c_cflag & CRTSCTS) {
653 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON | USLCOM_FLOW_CTS_HS);
654 flowctrl[1] = htole32(USLCOM_FLOW_RTS_HS);
656 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON);
657 flowctrl[1] = htole32(USLCOM_FLOW_RTS_ON);
661 req.bmRequestType = USLCOM_WRITE;
662 req.bRequest = USLCOM_SET_FLOW;
663 USETW(req.wValue, 0);
664 USETW(req.wIndex, sc->sc_iface_no);
665 USETW(req.wLength, sizeof(flowctrl));
667 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
668 &req, flowctrl, 0, 1000)) {
669 DPRINTF("Set flowcontrol failed (ignored)\n");
674 uslcom_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
676 struct uslcom_softc *sc = ucom->sc_parent;
685 uslcom_set_break(struct ucom_softc *ucom, uint8_t onoff)
687 struct uslcom_softc *sc = ucom->sc_parent;
688 struct usb_device_request req;
689 uint16_t brk = onoff ? USLCOM_SET_BREAK_ON : USLCOM_SET_BREAK_OFF;
691 req.bmRequestType = USLCOM_WRITE;
692 req.bRequest = USLCOM_SET_BREAK;
693 USETW(req.wValue, brk);
694 USETW(req.wIndex, sc->sc_iface_no);
695 USETW(req.wLength, 0);
697 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
698 &req, NULL, 0, 1000)) {
699 DPRINTF("Set BREAK failed (ignored)\n");
704 uslcom_ioctl(struct ucom_softc *ucom, uint32_t cmd, caddr_t data,
705 int flag, struct thread *td)
707 struct uslcom_softc *sc = ucom->sc_parent;
708 struct usb_device_request req;
712 DPRINTF("cmd=0x%08x\n", cmd);
716 if (sc->sc_partnum < USLCOM_PARTNUM_CP2103) {
720 req.bmRequestType = USLCOM_READ;
721 req.bRequest = USLCOM_VENDOR_SPECIFIC;
722 USETW(req.wValue, USLCOM_READ_LATCH);
723 USETW(req.wIndex, sc->sc_iface_no);
724 USETW(req.wLength, sizeof(latch));
726 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
727 &req, &latch, 0, 1000)) {
728 DPRINTF("Get LATCH failed\n");
731 *(int *)data = latch;
735 if (sc->sc_partnum < USLCOM_PARTNUM_CP2103)
737 else if ((sc->sc_partnum == USLCOM_PARTNUM_CP2103) ||
738 (sc->sc_partnum == USLCOM_PARTNUM_CP2104)) {
739 req.bmRequestType = USLCOM_WRITE;
740 req.bRequest = USLCOM_VENDOR_SPECIFIC;
741 USETW(req.wValue, USLCOM_WRITE_LATCH);
742 USETW(req.wIndex, (*(int *)data));
743 USETW(req.wLength, 0);
745 if (ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
746 &req, NULL, 0, 1000)) {
747 DPRINTF("Set LATCH failed\n");
751 error = ENODEV; /* Not yet */
755 DPRINTF("Unknown IOCTL\n");
763 uslcom_write_callback(struct usb_xfer *xfer, usb_error_t error)
765 struct uslcom_softc *sc = usbd_xfer_softc(xfer);
766 struct usb_page_cache *pc;
769 switch (USB_GET_STATE(xfer)) {
771 case USB_ST_TRANSFERRED:
773 pc = usbd_xfer_get_frame(xfer, 0);
774 if (ucom_get_data(&sc->sc_ucom, pc, 0,
775 USLCOM_BULK_BUF_SIZE, &actlen)) {
777 DPRINTF("actlen = %d\n", actlen);
779 usbd_xfer_set_frame_len(xfer, 0, actlen);
780 usbd_transfer_submit(xfer);
785 if (error != USB_ERR_CANCELLED) {
786 /* try to clear stall first */
787 usbd_xfer_set_stall(xfer);
795 uslcom_read_callback(struct usb_xfer *xfer, usb_error_t error)
797 struct uslcom_softc *sc = usbd_xfer_softc(xfer);
798 struct usb_page_cache *pc;
801 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
803 switch (USB_GET_STATE(xfer)) {
804 case USB_ST_TRANSFERRED:
805 pc = usbd_xfer_get_frame(xfer, 0);
806 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
810 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
811 usbd_transfer_submit(xfer);
815 if (error != USB_ERR_CANCELLED) {
816 /* try to clear stall first */
817 usbd_xfer_set_stall(xfer);
825 uslcom_control_callback(struct usb_xfer *xfer, usb_error_t error)
827 struct uslcom_softc *sc = usbd_xfer_softc(xfer);
828 struct usb_page_cache *pc;
829 struct usb_device_request req;
833 switch (USB_GET_STATE(xfer)) {
834 case USB_ST_TRANSFERRED:
835 pc = usbd_xfer_get_frame(xfer, 1);
836 usbd_copy_out(pc, 0, &buf, sizeof(buf));
837 if (buf & USLCOM_MHS_CTS)
839 if (buf & USLCOM_MHS_DSR)
841 if (buf & USLCOM_MHS_RI)
843 if (buf & USLCOM_MHS_DCD)
846 if (msr != sc->sc_msr) {
847 DPRINTF("status change msr=0x%02x "
848 "(was 0x%02x)\n", msr, sc->sc_msr);
850 ucom_status_change(&sc->sc_ucom);
855 req.bmRequestType = USLCOM_READ;
856 req.bRequest = USLCOM_GET_MDMSTS;
857 USETW(req.wValue, 0);
858 USETW(req.wIndex, sc->sc_iface_no);
859 USETW(req.wLength, sizeof(buf));
861 usbd_xfer_set_frames(xfer, 2);
862 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
863 usbd_xfer_set_frame_len(xfer, 1, sizeof(buf));
865 pc = usbd_xfer_get_frame(xfer, 0);
866 usbd_copy_in(pc, 0, &req, sizeof(req));
867 usbd_transfer_submit(xfer);
871 if (error != USB_ERR_CANCELLED)
872 DPRINTF("error=%s\n", usbd_errstr(error));
878 uslcom_start_read(struct ucom_softc *ucom)
880 struct uslcom_softc *sc = ucom->sc_parent;
882 /* start read endpoint */
883 usbd_transfer_start(sc->sc_xfer[USLCOM_BULK_DT_RD]);
887 uslcom_stop_read(struct ucom_softc *ucom)
889 struct uslcom_softc *sc = ucom->sc_parent;
891 /* stop read endpoint */
892 usbd_transfer_stop(sc->sc_xfer[USLCOM_BULK_DT_RD]);
896 uslcom_start_write(struct ucom_softc *ucom)
898 struct uslcom_softc *sc = ucom->sc_parent;
900 usbd_transfer_start(sc->sc_xfer[USLCOM_BULK_DT_WR]);
904 uslcom_stop_write(struct ucom_softc *ucom)
906 struct uslcom_softc *sc = ucom->sc_parent;
908 usbd_transfer_stop(sc->sc_xfer[USLCOM_BULK_DT_WR]);
912 uslcom_poll(struct ucom_softc *ucom)
914 struct uslcom_softc *sc = ucom->sc_parent;
915 usbd_transfer_poll(sc->sc_xfer, USLCOM_N_TRANSFER);