1 | /* $NetBSD: uslsa.c,v 1.21 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | |
3 | /* from ugensa.c */ |
4 | |
5 | /* |
6 | * Copyright (c) 2004, 2005 The NetBSD Foundation, Inc. |
7 | * All rights reserved. |
8 | * |
9 | * This code is derived from software contributed to The NetBSD Foundation |
10 | * by Roland C. Dowdeswell <elric@netbsd.org>. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
31 | * POSSIBILITY OF SUCH DAMAGE. |
32 | */ |
33 | |
34 | /* |
35 | * Copyright (c) 2007, 2009 Jonathan A. Kollasch. |
36 | * All rights reserved. |
37 | * |
38 | * Redistribution and use in source and binary forms, with or without |
39 | * modification, are permitted provided that the following conditions |
40 | * are met: |
41 | * 1. Redistributions of source code must retain the above copyright |
42 | * notice, this list of conditions and the following disclaimer. |
43 | * 2. Redistributions in binary form must reproduce the above copyright |
44 | * notice, this list of conditions and the following disclaimer in the |
45 | * documentation and/or other materials provided with the distribution. |
46 | * |
47 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
48 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
49 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
50 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
51 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
52 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
53 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
54 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
55 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
56 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
57 | * |
58 | */ |
59 | |
60 | #include <sys/cdefs.h> |
61 | __KERNEL_RCSID(0, "$NetBSD: uslsa.c,v 1.21 2016/07/07 06:55:42 msaitoh Exp $" ); |
62 | |
63 | #include <sys/param.h> |
64 | #include <sys/systm.h> |
65 | #include <sys/kernel.h> |
66 | #include <sys/device.h> |
67 | #include <sys/conf.h> |
68 | #include <sys/tty.h> |
69 | |
70 | #include <dev/usb/usb.h> |
71 | |
72 | #include <dev/usb/usbdi.h> |
73 | #include <dev/usb/usbdi_util.h> |
74 | #include <dev/usb/usbdevs.h> |
75 | |
76 | #include <dev/usb/ucomvar.h> |
77 | |
78 | #include <dev/usb/uslsareg.h> |
79 | |
80 | #include <fs/unicode.h> |
81 | |
82 | #ifdef USLSA_DEBUG |
83 | #define DPRINTF(x) if (uslsadebug) device_printf x |
84 | int uslsadebug = 0; |
85 | #else |
86 | #define DPRINTF(x) |
87 | #endif |
88 | |
89 | struct uslsa_softc { |
90 | device_t sc_dev; /* base device */ |
91 | device_t sc_subdev; /* ucom device */ |
92 | struct usbd_device * sc_udev; /* usb device */ |
93 | struct usbd_interface * sc_iface; /* interface */ |
94 | uint8_t sc_ifnum; /* interface number */ |
95 | bool sc_dying; /* disconnecting */ |
96 | }; |
97 | |
98 | static void uslsa_get_status(void *sc, int, u_char *, u_char *); |
99 | static void uslsa_set(void *, int, int, int); |
100 | static int uslsa_param(void *, int, struct termios *); |
101 | static int uslsa_ioctl(void *, int, u_long, void *, int, proc_t *); |
102 | |
103 | static int uslsa_open(void *, int); |
104 | static void uslsa_close(void *, int); |
105 | |
106 | static int uslsa_usbd_errno(usbd_status); |
107 | static int uslsa_request_set(struct uslsa_softc *, uint8_t, uint16_t); |
108 | static int uslsa_set_flow(struct uslsa_softc *, tcflag_t, tcflag_t); |
109 | |
110 | static const struct ucom_methods uslsa_methods = { |
111 | .ucom_get_status = uslsa_get_status, |
112 | .ucom_set = uslsa_set, |
113 | .ucom_param = uslsa_param, |
114 | .ucom_ioctl = uslsa_ioctl, |
115 | .ucom_open = uslsa_open, |
116 | .ucom_close = uslsa_close, |
117 | .ucom_read = NULL, |
118 | .ucom_write = NULL, |
119 | }; |
120 | |
121 | #define USLSA_CONFIG_INDEX 0 |
122 | #define USLSA_IFACE_INDEX 0 |
123 | #define USLSA_BUFSIZE 256 |
124 | |
125 | static const struct usb_devno uslsa_devs[] = { |
126 | { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, |
127 | { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, |
128 | { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, |
129 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, |
130 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, |
131 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, |
132 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, |
133 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, |
134 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, |
135 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, |
136 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, |
137 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, |
138 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, |
139 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, |
140 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUNNTO }, |
141 | { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, |
142 | { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 } |
143 | }; |
144 | |
145 | static int uslsa_match(device_t, cfdata_t, void *); |
146 | static void uslsa_attach(device_t, device_t, void *); |
147 | static void uslsa_childdet(device_t, device_t); |
148 | static int uslsa_detach(device_t, int); |
149 | static int uslsa_activate(device_t, enum devact); |
150 | |
151 | CFATTACH_DECL2_NEW(uslsa, sizeof(struct uslsa_softc), uslsa_match, |
152 | uslsa_attach, uslsa_detach, uslsa_activate, NULL, uslsa_childdet); |
153 | |
154 | static int |
155 | uslsa_match(device_t parent, cfdata_t match, void *aux) |
156 | { |
157 | const struct usbif_attach_arg *uiaa = aux; |
158 | |
159 | if (usb_lookup(uslsa_devs, uiaa->uiaa_vendor, uiaa->uiaa_product) |
160 | != NULL) |
161 | return UMATCH_VENDOR_PRODUCT; |
162 | else |
163 | return UMATCH_NONE; |
164 | } |
165 | |
166 | static void |
167 | uslsa_attach(device_t parent, device_t self, void *aux) |
168 | { |
169 | struct uslsa_softc *sc; |
170 | const struct usbif_attach_arg *uiaa = aux; |
171 | const usb_interface_descriptor_t *id; |
172 | const usb_endpoint_descriptor_t *ed; |
173 | char *devinfop; |
174 | struct ucom_attach_args ucaa; |
175 | int i; |
176 | |
177 | sc = device_private(self); |
178 | |
179 | sc->sc_dev = self; |
180 | sc->sc_udev = uiaa->uiaa_device; |
181 | sc->sc_iface = uiaa->uiaa_iface; |
182 | |
183 | aprint_naive("\n" ); |
184 | aprint_normal("\n" ); |
185 | |
186 | devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); |
187 | aprint_normal_dev(self, "%s\n" , devinfop); |
188 | usbd_devinfo_free(devinfop); |
189 | |
190 | id = usbd_get_interface_descriptor(sc->sc_iface); |
191 | |
192 | sc->sc_ifnum = id->bInterfaceNumber; |
193 | |
194 | ucaa.ucaa_info = "Silicon Labs CP210x" ; |
195 | ucaa.ucaa_portno = UCOM_UNK_PORTNO; |
196 | ucaa.ucaa_ibufsize = USLSA_BUFSIZE; |
197 | ucaa.ucaa_obufsize = USLSA_BUFSIZE; |
198 | ucaa.ucaa_ibufsizepad = USLSA_BUFSIZE; |
199 | ucaa.ucaa_opkthdrlen = 0; |
200 | ucaa.ucaa_device = sc->sc_udev; |
201 | ucaa.ucaa_iface = sc->sc_iface; |
202 | ucaa.ucaa_methods = &uslsa_methods; |
203 | ucaa.ucaa_arg = sc; |
204 | |
205 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
206 | |
207 | ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; |
208 | for (i = 0; i < id->bNumEndpoints; i++) { |
209 | int addr, dir, attr; |
210 | |
211 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); |
212 | if (ed == NULL) { |
213 | aprint_error_dev(self, |
214 | "could not read endpoint descriptor\n" ); |
215 | sc->sc_dying = true; |
216 | return; |
217 | } |
218 | addr = ed->bEndpointAddress; |
219 | dir = UE_GET_DIR(ed->bEndpointAddress); |
220 | attr = ed->bmAttributes & UE_XFERTYPE; |
221 | if (dir == UE_DIR_IN && attr == UE_BULK) { |
222 | ucaa.ucaa_bulkin = addr; |
223 | } else if (dir == UE_DIR_OUT && attr == UE_BULK) { |
224 | ucaa.ucaa_bulkout = addr; |
225 | } else { |
226 | aprint_error_dev(self, "unexpected endpoint\n" ); |
227 | } |
228 | } |
229 | aprint_debug_dev(sc->sc_dev, "EPs: in=%#x out=%#x\n" , |
230 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout); |
231 | if ((ucaa.ucaa_bulkin == -1) || (ucaa.ucaa_bulkout == -1)) { |
232 | aprint_error_dev(self, "could not find endpoints\n" ); |
233 | sc->sc_dying = true; |
234 | return; |
235 | } |
236 | |
237 | sc->sc_subdev = config_found_sm_loc(self, "ucombus" , NULL, &ucaa, |
238 | ucomprint, ucomsubmatch); |
239 | |
240 | return; |
241 | } |
242 | |
243 | static int |
244 | uslsa_activate(device_t self, enum devact act) |
245 | { |
246 | struct uslsa_softc *sc = device_private(self); |
247 | |
248 | switch (act) { |
249 | case DVACT_DEACTIVATE: |
250 | sc->sc_dying = true; |
251 | return 0; |
252 | default: |
253 | return EOPNOTSUPP; |
254 | } |
255 | } |
256 | |
257 | static void |
258 | uslsa_childdet(device_t self, device_t child) |
259 | { |
260 | struct uslsa_softc *sc = device_private(self); |
261 | |
262 | KASSERT(sc->sc_subdev == child); |
263 | sc->sc_subdev = NULL; |
264 | } |
265 | |
266 | static int |
267 | uslsa_detach(device_t self, int flags) |
268 | { |
269 | struct uslsa_softc *sc = device_private(self); |
270 | int rv = 0; |
271 | |
272 | DPRINTF((self, "%s(%p, %#x)\n" , __func__, self, flags)); |
273 | |
274 | sc->sc_dying = true; |
275 | |
276 | if (sc->sc_subdev != NULL) { |
277 | rv = config_detach(sc->sc_subdev, flags); |
278 | } |
279 | |
280 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
281 | |
282 | return (rv); |
283 | } |
284 | |
285 | static int |
286 | uslsa_usbd_errno(usbd_status status) |
287 | { |
288 | switch (status) { |
289 | case USBD_NORMAL_COMPLETION: |
290 | return 0; |
291 | case USBD_STALLED: |
292 | return EINVAL; |
293 | default: |
294 | return EIO; |
295 | } |
296 | } |
297 | |
298 | static void |
299 | uslsa_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) |
300 | { |
301 | struct uslsa_softc *sc; |
302 | usb_device_request_t req; |
303 | usbd_status status; |
304 | uint8_t mdmsts; |
305 | |
306 | sc = vsc; |
307 | |
308 | DPRINTF((sc->sc_dev, "%s(%p, %d, ....)\n" , __func__, vsc, portno)); |
309 | |
310 | if (sc->sc_dying) { |
311 | return; |
312 | } |
313 | |
314 | req.bmRequestType = UT_READ_VENDOR_INTERFACE; |
315 | req.bRequest = SLSA_R_GET_MDMSTS; |
316 | USETW(req.wValue, 0); |
317 | USETW(req.wIndex, sc->sc_ifnum); |
318 | USETW(req.wLength, SLSA_RL_GET_MDMSTS); |
319 | |
320 | status = usbd_do_request(sc->sc_udev, &req, &mdmsts); |
321 | if (status != USBD_NORMAL_COMPLETION) { |
322 | device_printf(sc->sc_dev, "%s: GET_MDMSTS %s\n" , |
323 | __func__, usbd_errstr(status)); |
324 | return; |
325 | } |
326 | |
327 | DPRINTF((sc->sc_dev, "%s: GET_MDMSTS %#x\n" , __func__, mdmsts)); |
328 | |
329 | if (lsr != NULL) { |
330 | *lsr = 0; |
331 | } |
332 | |
333 | if (msr != NULL) { |
334 | *msr = 0; |
335 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_CTS) ? UMSR_CTS : 0; |
336 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_DSR) ? UMSR_DSR : 0; |
337 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_RI) ? UMSR_RI : 0; |
338 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_DCD) ? UMSR_DCD : 0; |
339 | } |
340 | } |
341 | |
342 | static void |
343 | uslsa_set(void *vsc, int portno, int reg, int onoff) |
344 | { |
345 | struct uslsa_softc *sc; |
346 | |
347 | sc = vsc; |
348 | |
349 | DPRINTF((sc->sc_dev, "%s(%p, %d, %d, %d)\n" , __func__, vsc, portno, |
350 | reg, onoff)); |
351 | |
352 | if (sc->sc_dying) { |
353 | return; |
354 | } |
355 | |
356 | switch (reg) { |
357 | case UCOM_SET_DTR: |
358 | if (uslsa_request_set(sc, SLSA_R_SET_MHS, |
359 | SLSA_RV_SET_MHS_DTR_MASK | |
360 | (onoff ? SLSA_RV_SET_MHS_DTR : 0))) { |
361 | device_printf(sc->sc_dev, "SET_MHS/DTR failed\n" ); |
362 | } |
363 | break; |
364 | case UCOM_SET_RTS: |
365 | if (uslsa_request_set(sc, SLSA_R_SET_MHS, |
366 | SLSA_RV_SET_MHS_RTS_MASK | |
367 | (onoff ? SLSA_RV_SET_MHS_RTS : 0))) { |
368 | device_printf(sc->sc_dev, "SET_MHS/RTS failed\n" ); |
369 | } |
370 | break; |
371 | case UCOM_SET_BREAK: |
372 | if (uslsa_request_set(sc, SLSA_R_SET_BREAK, |
373 | (onoff ? SLSA_RV_SET_BREAK_ENABLE : |
374 | SLSA_RV_SET_BREAK_DISABLE))) { |
375 | device_printf(sc->sc_dev, "SET_BREAK failed\n" ); |
376 | } |
377 | break; |
378 | default: |
379 | break; |
380 | } |
381 | } |
382 | |
383 | static int |
384 | uslsa_param(void *vsc, int portno, struct termios *t) |
385 | { |
386 | struct uslsa_softc *sc; |
387 | usb_device_request_t req; |
388 | usbd_status status; |
389 | uint16_t value; |
390 | uint32_t baud; |
391 | int ret; |
392 | |
393 | sc = vsc; |
394 | |
395 | DPRINTF((sc->sc_dev, "%s(%p, %d, %p)\n" , __func__, vsc, portno, t)); |
396 | |
397 | if (sc->sc_dying) { |
398 | return EIO; |
399 | } |
400 | |
401 | req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; |
402 | req.bRequest = SLSA_R_SET_BAUDRATE; |
403 | USETW(req.wValue, 0); |
404 | USETW(req.wIndex, sc->sc_ifnum); |
405 | USETW(req.wLength, 4); |
406 | |
407 | baud = t->c_ospeed; |
408 | status = usbd_do_request(sc->sc_udev, &req, &baud); |
409 | if (status != USBD_NORMAL_COMPLETION) { |
410 | /* fallback method for devices that don't know SET_BAUDRATE */ |
411 | /* hope we calculate it right */ |
412 | device_printf(sc->sc_dev, "%s: set baudrate %d, failed %s," |
413 | " using set bauddiv\n" , |
414 | __func__, baud, usbd_errstr(status)); |
415 | |
416 | value = SLSA_RV_BAUDDIV(t->c_ospeed); |
417 | if ((ret = uslsa_request_set(sc, SLSA_R_SET_BAUDDIV, value)) |
418 | != 0) { |
419 | device_printf(sc->sc_dev, "%s: SET_BAUDDIV failed\n" , |
420 | __func__); |
421 | return ret; |
422 | } |
423 | } |
424 | |
425 | value = 0; |
426 | |
427 | if (ISSET(t->c_cflag, CSTOPB)) { |
428 | value |= SLSA_RV_LINE_CTL_STOP_2; |
429 | } else { |
430 | value |= SLSA_RV_LINE_CTL_STOP_1; |
431 | } |
432 | |
433 | if (ISSET(t->c_cflag, PARENB)) { |
434 | if (ISSET(t->c_cflag, PARODD)) { |
435 | value |= SLSA_RV_LINE_CTL_PARITY_ODD; |
436 | } else { |
437 | value |= SLSA_RV_LINE_CTL_PARITY_EVEN; |
438 | } |
439 | } else { |
440 | value |= SLSA_RV_LINE_CTL_PARITY_NONE; |
441 | } |
442 | |
443 | switch (ISSET(t->c_cflag, CSIZE)) { |
444 | case CS5: |
445 | value |= SLSA_RV_LINE_CTL_LEN_5; |
446 | break; |
447 | case CS6: |
448 | value |= SLSA_RV_LINE_CTL_LEN_6; |
449 | break; |
450 | case CS7: |
451 | value |= SLSA_RV_LINE_CTL_LEN_7; |
452 | break; |
453 | case CS8: |
454 | value |= SLSA_RV_LINE_CTL_LEN_8; |
455 | break; |
456 | } |
457 | |
458 | DPRINTF((sc->sc_dev, "%s: setting LINE_CTL to 0x%x\n" , |
459 | __func__, value)); |
460 | if ((ret = uslsa_request_set(sc, SLSA_R_SET_LINE_CTL, value)) != 0) { |
461 | device_printf(sc->sc_dev, "SET_LINE_CTL failed\n" ); |
462 | return ret; |
463 | } |
464 | |
465 | if ((ret = uslsa_set_flow(sc, t->c_cflag, t->c_iflag)) != 0) { |
466 | device_printf(sc->sc_dev, "SET_LINE_CTL failed\n" ); |
467 | } |
468 | |
469 | return ret; |
470 | } |
471 | |
472 | static int |
473 | uslsa_ioctl(void *vsc, int portno, u_long cmd, void *data, int flag, proc_t *p) |
474 | { |
475 | struct uslsa_softc *sc; |
476 | |
477 | sc = vsc; |
478 | |
479 | switch (cmd) { |
480 | case TIOCMGET: |
481 | ucom_status_change(device_private(sc->sc_subdev)); |
482 | return EPASSTHROUGH; |
483 | default: |
484 | return EPASSTHROUGH; |
485 | } |
486 | |
487 | return 0; |
488 | } |
489 | |
490 | static int |
491 | uslsa_open(void *vsc, int portno) |
492 | { |
493 | struct uslsa_softc *sc; |
494 | |
495 | sc = vsc; |
496 | |
497 | DPRINTF((sc->sc_dev, "%s(%p, %d)\n" , __func__, vsc, portno)); |
498 | |
499 | if (sc->sc_dying) { |
500 | return EIO; |
501 | } |
502 | |
503 | return uslsa_request_set(sc, SLSA_R_IFC_ENABLE, |
504 | SLSA_RV_IFC_ENABLE_ENABLE); |
505 | } |
506 | |
507 | static void |
508 | uslsa_close(void *vsc, int portno) |
509 | { |
510 | struct uslsa_softc *sc; |
511 | |
512 | sc = vsc; |
513 | |
514 | DPRINTF((sc->sc_dev, "%s(%p, %d)\n" , __func__, vsc, portno)); |
515 | |
516 | if (sc->sc_dying) { |
517 | return; |
518 | } |
519 | |
520 | (void)uslsa_request_set(sc, SLSA_R_IFC_ENABLE, |
521 | SLSA_RV_IFC_ENABLE_DISABLE); |
522 | } |
523 | |
524 | static int |
525 | uslsa_request_set(struct uslsa_softc * sc, uint8_t request, uint16_t value) |
526 | { |
527 | usb_device_request_t req; |
528 | usbd_status status; |
529 | |
530 | req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; |
531 | req.bRequest = request; |
532 | USETW(req.wValue, value); |
533 | USETW(req.wIndex, sc->sc_ifnum); |
534 | USETW(req.wLength, 0); |
535 | |
536 | status = usbd_do_request(sc->sc_udev, &req, NULL); |
537 | |
538 | return uslsa_usbd_errno(status); |
539 | } |
540 | |
541 | static int |
542 | uslsa_set_flow(struct uslsa_softc *sc, tcflag_t cflag, tcflag_t iflag) |
543 | { |
544 | struct slsa_fcs fcs; |
545 | usb_device_request_t req; |
546 | uint32_t ulControlHandshake; |
547 | uint32_t ulFlowReplace; |
548 | usbd_status status; |
549 | |
550 | DPRINTF((sc->sc_dev, "%s(%p, %#x, %#x)\n" , __func__, sc, cflag, iflag)); |
551 | |
552 | req.bmRequestType = UT_READ_VENDOR_INTERFACE; |
553 | req.bRequest = SLSA_R_GET_FLOW; |
554 | USETW(req.wValue, 0); |
555 | USETW(req.wIndex, sc->sc_ifnum); |
556 | USETW(req.wLength, SLSA_RL_GET_FLOW); |
557 | |
558 | status = usbd_do_request(sc->sc_udev, &req, &fcs); |
559 | if (status != USBD_NORMAL_COMPLETION) { |
560 | device_printf(sc->sc_dev, "%s: GET_FLOW %s\n" , |
561 | __func__, usbd_errstr(status)); |
562 | return uslsa_usbd_errno(status); |
563 | } |
564 | |
565 | ulControlHandshake = le32toh(fcs.ulControlHandshake); |
566 | ulFlowReplace = le32toh(fcs.ulFlowReplace); |
567 | |
568 | if (ISSET(cflag, CRTSCTS)) { |
569 | ulControlHandshake = |
570 | SERIAL_CTS_HANDSHAKE | __SHIFTIN(1, SERIAL_DTR_MASK); |
571 | ulFlowReplace = __SHIFTIN(2, SERIAL_RTS_MASK); |
572 | } else { |
573 | ulControlHandshake = __SHIFTIN(1, SERIAL_DTR_MASK); |
574 | ulFlowReplace = __SHIFTIN(1, SERIAL_RTS_MASK); |
575 | } |
576 | |
577 | fcs.ulControlHandshake = htole32(ulControlHandshake); |
578 | fcs.ulFlowReplace = htole32(ulFlowReplace); |
579 | |
580 | req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; |
581 | req.bRequest = SLSA_R_SET_FLOW; |
582 | USETW(req.wValue, 0); |
583 | USETW(req.wIndex, sc->sc_ifnum); |
584 | USETW(req.wLength, SLSA_RL_SET_FLOW); |
585 | |
586 | status = usbd_do_request(sc->sc_udev, &req, &fcs); |
587 | |
588 | return uslsa_usbd_errno(status); |
589 | } |
590 | |