1 | /* $NetBSD: uvscom.c,v 1.30 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | /*- |
3 | * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. |
4 | * All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
25 | * SUCH DAMAGE. |
26 | * |
27 | * $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $ |
28 | */ |
29 | |
30 | /* |
31 | * uvscom: SUNTAC Slipper U VS-10U driver. |
32 | * Slipper U is a PC card to USB converter for data communication card |
33 | * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, |
34 | * P-in m@ater and various data communication card adapters. |
35 | */ |
36 | |
37 | #include <sys/cdefs.h> |
38 | __KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.30 2016/07/07 06:55:42 msaitoh Exp $" ); |
39 | |
40 | #include <sys/param.h> |
41 | #include <sys/systm.h> |
42 | #include <sys/kernel.h> |
43 | #include <sys/kmem.h> |
44 | #include <sys/fcntl.h> |
45 | #include <sys/conf.h> |
46 | #include <sys/tty.h> |
47 | #include <sys/file.h> |
48 | #include <sys/ioctl.h> |
49 | #include <sys/device.h> |
50 | #include <sys/proc.h> |
51 | #include <sys/poll.h> |
52 | |
53 | #include <dev/usb/usb.h> |
54 | #include <dev/usb/usbcdc.h> |
55 | |
56 | #include <dev/usb/usbdi.h> |
57 | #include <dev/usb/usbdi_util.h> |
58 | #include <dev/usb/usbdevs.h> |
59 | #include <dev/usb/usb_quirks.h> |
60 | |
61 | #include <dev/usb/ucomvar.h> |
62 | |
63 | #ifdef UVSCOM_DEBUG |
64 | static int uvscomdebug = 1; |
65 | |
66 | #define DPRINTFN(n, x) do { \ |
67 | if (uvscomdebug > (n)) \ |
68 | printf x; \ |
69 | } while (0) |
70 | #else |
71 | #define DPRINTFN(n, x) |
72 | #endif |
73 | #define DPRINTF(x) DPRINTFN(0, x) |
74 | |
75 | #define UVSCOM_CONFIG_INDEX 0 |
76 | #define UVSCOM_IFACE_INDEX 0 |
77 | |
78 | #define UVSCOM_INTR_INTERVAL 100 /* mS */ |
79 | |
80 | #define UVSCOM_UNIT_WAIT 5 |
81 | |
82 | /* Request */ |
83 | #define UVSCOM_SET_SPEED 0x10 |
84 | #define UVSCOM_LINE_CTL 0x11 |
85 | #define UVSCOM_SET_PARAM 0x12 |
86 | #define UVSCOM_READ_STATUS 0xd0 |
87 | #define UVSCOM_SHUTDOWN 0xe0 |
88 | |
89 | /* UVSCOM_SET_SPEED parameters */ |
90 | #define UVSCOM_SPEED_150BPS 0x00 |
91 | #define UVSCOM_SPEED_300BPS 0x01 |
92 | #define UVSCOM_SPEED_600BPS 0x02 |
93 | #define UVSCOM_SPEED_1200BPS 0x03 |
94 | #define UVSCOM_SPEED_2400BPS 0x04 |
95 | #define UVSCOM_SPEED_4800BPS 0x05 |
96 | #define UVSCOM_SPEED_9600BPS 0x06 |
97 | #define UVSCOM_SPEED_19200BPS 0x07 |
98 | #define UVSCOM_SPEED_38400BPS 0x08 |
99 | #define UVSCOM_SPEED_57600BPS 0x09 |
100 | #define UVSCOM_SPEED_115200BPS 0x0a |
101 | |
102 | /* UVSCOM_LINE_CTL parameters */ |
103 | #define UVSCOM_BREAK 0x40 |
104 | #define UVSCOM_RTS 0x02 |
105 | #define UVSCOM_DTR 0x01 |
106 | #define UVSCOM_LINE_INIT 0x08 |
107 | |
108 | /* UVSCOM_SET_PARAM parameters */ |
109 | #define UVSCOM_DATA_MASK 0x03 |
110 | #define UVSCOM_DATA_BIT_8 0x03 |
111 | #define UVSCOM_DATA_BIT_7 0x02 |
112 | #define UVSCOM_DATA_BIT_6 0x01 |
113 | #define UVSCOM_DATA_BIT_5 0x00 |
114 | |
115 | #define UVSCOM_STOP_MASK 0x04 |
116 | #define UVSCOM_STOP_BIT_2 0x04 |
117 | #define UVSCOM_STOP_BIT_1 0x00 |
118 | |
119 | #define UVSCOM_PARITY_MASK 0x18 |
120 | #define UVSCOM_PARITY_EVEN 0x18 |
121 | #if 0 |
122 | #define UVSCOM_PARITY_UNK 0x10 |
123 | #endif |
124 | #define UVSCOM_PARITY_ODD 0x08 |
125 | #define UVSCOM_PARITY_NONE 0x00 |
126 | |
127 | /* Status bits */ |
128 | #define UVSCOM_TXRDY 0x04 |
129 | #define UVSCOM_RXRDY 0x01 |
130 | |
131 | #define UVSCOM_DCD 0x08 |
132 | #define UVSCOM_NOCARD 0x04 |
133 | #define UVSCOM_DSR 0x02 |
134 | #define UVSCOM_CTS 0x01 |
135 | #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) |
136 | |
137 | struct uvscom_softc { |
138 | device_t sc_dev; /* base device */ |
139 | struct usbd_device * sc_udev; /* USB device */ |
140 | struct usbd_interface * sc_iface; /* interface */ |
141 | int sc_iface_number;/* interface number */ |
142 | |
143 | struct usbd_interface * sc_intr_iface; /* interrupt interface */ |
144 | int sc_intr_number; /* interrupt number */ |
145 | struct usbd_pipe * sc_intr_pipe; /* interrupt pipe */ |
146 | u_char *sc_intr_buf; /* interrupt buffer */ |
147 | int sc_isize; |
148 | |
149 | u_char sc_dtr; /* current DTR state */ |
150 | u_char sc_rts; /* current RTS state */ |
151 | |
152 | u_char sc_lsr; /* Local status register */ |
153 | u_char sc_msr; /* uvscom status register */ |
154 | |
155 | uint16_t sc_lcr; /* Line control */ |
156 | u_char sc_usr; /* unit status */ |
157 | |
158 | device_t sc_subdev; /* ucom device */ |
159 | u_char sc_dying; /* disconnecting */ |
160 | }; |
161 | |
162 | /* |
163 | * These are the maximum number of bytes transferred per frame. |
164 | * The output buffer size cannot be increased due to the size encoding. |
165 | */ |
166 | #define UVSCOMIBUFSIZE 512 |
167 | #define UVSCOMOBUFSIZE 64 |
168 | |
169 | Static usbd_status uvscom_readstat(struct uvscom_softc *); |
170 | Static usbd_status uvscom_shutdown(struct uvscom_softc *); |
171 | Static usbd_status uvscom_reset(struct uvscom_softc *); |
172 | Static usbd_status uvscom_set_line_coding(struct uvscom_softc *, |
173 | uint16_t, uint16_t); |
174 | Static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); |
175 | Static usbd_status uvscom_set_crtscts(struct uvscom_softc *); |
176 | Static void uvscom_get_status(void *, int, u_char *, u_char *); |
177 | Static void uvscom_dtr(struct uvscom_softc *, int); |
178 | Static void uvscom_rts(struct uvscom_softc *, int); |
179 | Static void uvscom_break(struct uvscom_softc *, int); |
180 | |
181 | Static void uvscom_set(void *, int, int, int); |
182 | Static void uvscom_intr(struct usbd_xfer *, void *, usbd_status); |
183 | Static int uvscom_param(void *, int, struct termios *); |
184 | Static int uvscom_open(void *, int); |
185 | Static void uvscom_close(void *, int); |
186 | |
187 | struct ucom_methods uvscom_methods = { |
188 | .ucom_get_status = uvscom_get_status, |
189 | .ucom_set = uvscom_set, |
190 | .ucom_param = uvscom_param, |
191 | .ucom_ioctl = NULL, /* TODO */ |
192 | .ucom_open = uvscom_open, |
193 | .ucom_close = uvscom_close, |
194 | .ucom_read = NULL, |
195 | .ucom_write = NULL |
196 | }; |
197 | |
198 | static const struct usb_devno uvscom_devs [] = { |
199 | /* SUNTAC U-Cable type A4 */ |
200 | { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, |
201 | /* SUNTAC U-Cable type D2 */ |
202 | { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, |
203 | /* SUNTAC U-Cable type P1 */ |
204 | { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, |
205 | /* SUNTAC Slipper U */ |
206 | { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, |
207 | /* SUNTAC Ir-Trinity */ |
208 | { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, |
209 | }; |
210 | #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) |
211 | |
212 | int uvscom_match(device_t, cfdata_t, void *); |
213 | void uvscom_attach(device_t, device_t, void *); |
214 | void uvscom_childdet(device_t, device_t); |
215 | int uvscom_detach(device_t, int); |
216 | int uvscom_activate(device_t, enum devact); |
217 | extern struct cfdriver uvscom_cd; |
218 | CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match, |
219 | uvscom_attach, uvscom_detach, uvscom_activate, NULL, uvscom_childdet); |
220 | |
221 | int |
222 | uvscom_match(device_t parent, cfdata_t match, void *aux) |
223 | { |
224 | struct usb_attach_arg *uaa = aux; |
225 | |
226 | return uvscom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
227 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
228 | } |
229 | |
230 | void |
231 | uvscom_attach(device_t parent, device_t self, void *aux) |
232 | { |
233 | struct uvscom_softc *sc = device_private(self); |
234 | struct usb_attach_arg *uaa = aux; |
235 | struct usbd_device *dev = uaa->uaa_device; |
236 | usb_config_descriptor_t *cdesc; |
237 | usb_interface_descriptor_t *id; |
238 | usb_endpoint_descriptor_t *ed; |
239 | char *devinfop; |
240 | usbd_status err; |
241 | int i; |
242 | struct ucom_attach_args ucaa; |
243 | |
244 | aprint_naive("\n" ); |
245 | aprint_normal("\n" ); |
246 | |
247 | devinfop = usbd_devinfo_alloc(dev, 0); |
248 | aprint_normal_dev(self, "%s\n" , devinfop); |
249 | usbd_devinfo_free(devinfop); |
250 | |
251 | sc->sc_dev = self; |
252 | sc->sc_udev = dev; |
253 | |
254 | DPRINTF(("uvscom attach: sc = %p\n" , sc)); |
255 | |
256 | /* initialize endpoints */ |
257 | ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; |
258 | sc->sc_intr_number = -1; |
259 | sc->sc_intr_pipe = NULL; |
260 | |
261 | /* Move the device into the configured state. */ |
262 | err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); |
263 | if (err) { |
264 | aprint_error_dev(self, "failed to set configuration, err=%s\n" , |
265 | usbd_errstr(err)); |
266 | sc->sc_dying = 1; |
267 | return; |
268 | } |
269 | |
270 | /* get the config descriptor */ |
271 | cdesc = usbd_get_config_descriptor(sc->sc_udev); |
272 | |
273 | if (cdesc == NULL) { |
274 | aprint_error_dev(self, |
275 | "failed to get configuration descriptor\n" ); |
276 | sc->sc_dying = 1; |
277 | return; |
278 | } |
279 | |
280 | /* get the common interface */ |
281 | err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, |
282 | &sc->sc_iface); |
283 | if (err) { |
284 | aprint_error_dev(self, "failed to get interface, err=%s\n" , |
285 | usbd_errstr(err)); |
286 | sc->sc_dying = 1; |
287 | return; |
288 | } |
289 | |
290 | id = usbd_get_interface_descriptor(sc->sc_iface); |
291 | sc->sc_iface_number = id->bInterfaceNumber; |
292 | |
293 | /* Find endpoints */ |
294 | for (i = 0; i < id->bNumEndpoints; i++) { |
295 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); |
296 | if (ed == NULL) { |
297 | aprint_error_dev(self, |
298 | "no endpoint descriptor for %d\n" , i); |
299 | sc->sc_dying = 1; |
300 | return; |
301 | } |
302 | |
303 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
304 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
305 | ucaa.ucaa_bulkin = ed->bEndpointAddress; |
306 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
307 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
308 | ucaa.ucaa_bulkout = ed->bEndpointAddress; |
309 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
310 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { |
311 | sc->sc_intr_number = ed->bEndpointAddress; |
312 | sc->sc_isize = UGETW(ed->wMaxPacketSize); |
313 | } |
314 | } |
315 | |
316 | if (ucaa.ucaa_bulkin == -1) { |
317 | aprint_error_dev(self, "Could not find data bulk in\n" ); |
318 | sc->sc_dying = 1; |
319 | return; |
320 | } |
321 | if (ucaa.ucaa_bulkout == -1) { |
322 | aprint_error_dev(self, "Could not find data bulk out\n" ); |
323 | sc->sc_dying = 1; |
324 | return; |
325 | } |
326 | if (sc->sc_intr_number == -1) { |
327 | aprint_error_dev(self, "Could not find interrupt in\n" ); |
328 | sc->sc_dying = 1; |
329 | return; |
330 | } |
331 | |
332 | sc->sc_dtr = sc->sc_rts = 0; |
333 | sc->sc_lcr = UVSCOM_LINE_INIT; |
334 | |
335 | ucaa.ucaa_portno = UCOM_UNK_PORTNO; |
336 | /* ucaa_bulkin, ucaa_bulkout set above */ |
337 | ucaa.ucaa_ibufsize = UVSCOMIBUFSIZE; |
338 | ucaa.ucaa_obufsize = UVSCOMOBUFSIZE; |
339 | ucaa.ucaa_ibufsizepad = UVSCOMIBUFSIZE; |
340 | ucaa.ucaa_opkthdrlen = 0; |
341 | ucaa.ucaa_device = dev; |
342 | ucaa.ucaa_iface = sc->sc_iface; |
343 | ucaa.ucaa_methods = &uvscom_methods; |
344 | ucaa.ucaa_arg = sc; |
345 | ucaa.ucaa_info = NULL; |
346 | |
347 | err = uvscom_reset(sc); |
348 | |
349 | if (err) { |
350 | aprint_error_dev(self, "reset failed, %s\n" , usbd_errstr(err)); |
351 | sc->sc_dying = 1; |
352 | return; |
353 | } |
354 | |
355 | DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n" , |
356 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number)); |
357 | |
358 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
359 | |
360 | DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n" , |
361 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number )); |
362 | sc->sc_subdev = config_found_sm_loc(self, "ucombus" , NULL, &ucaa, |
363 | ucomprint, ucomsubmatch); |
364 | |
365 | return; |
366 | } |
367 | |
368 | void |
369 | uvscom_childdet(device_t self, device_t child) |
370 | { |
371 | struct uvscom_softc *sc = device_private(self); |
372 | |
373 | KASSERT(sc->sc_subdev == child); |
374 | sc->sc_subdev = NULL; |
375 | } |
376 | |
377 | int |
378 | uvscom_detach(device_t self, int flags) |
379 | { |
380 | struct uvscom_softc *sc = device_private(self); |
381 | int rv = 0; |
382 | |
383 | DPRINTF(("uvscom_detach: sc = %p\n" , sc)); |
384 | |
385 | sc->sc_dying = 1; |
386 | |
387 | if (sc->sc_intr_pipe != NULL) { |
388 | usbd_abort_pipe(sc->sc_intr_pipe); |
389 | usbd_close_pipe(sc->sc_intr_pipe); |
390 | kmem_free(sc->sc_intr_buf, sc->sc_isize); |
391 | sc->sc_intr_pipe = NULL; |
392 | } |
393 | |
394 | sc->sc_dying = 1; |
395 | if (sc->sc_subdev != NULL) |
396 | rv = config_detach(sc->sc_subdev, flags); |
397 | |
398 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
399 | |
400 | return rv; |
401 | } |
402 | |
403 | int |
404 | uvscom_activate(device_t self, enum devact act) |
405 | { |
406 | struct uvscom_softc *sc = device_private(self); |
407 | |
408 | switch (act) { |
409 | case DVACT_DEACTIVATE: |
410 | sc->sc_dying = 1; |
411 | return 0; |
412 | default: |
413 | return EOPNOTSUPP; |
414 | } |
415 | } |
416 | |
417 | Static usbd_status |
418 | uvscom_readstat(struct uvscom_softc *sc) |
419 | { |
420 | usb_device_request_t req; |
421 | usbd_status err; |
422 | uint16_t r; |
423 | |
424 | DPRINTF(("%s: send readstat\n" , device_xname(sc->sc_dev))); |
425 | |
426 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
427 | req.bRequest = UVSCOM_READ_STATUS; |
428 | USETW(req.wValue, 0); |
429 | USETW(req.wIndex, 0); |
430 | USETW(req.wLength, 2); |
431 | |
432 | err = usbd_do_request(sc->sc_udev, &req, &r); |
433 | if (err) { |
434 | aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n" , |
435 | usbd_errstr(err)); |
436 | return err; |
437 | } |
438 | |
439 | DPRINTF(("%s: uvscom_readstat: r = %d\n" , |
440 | device_xname(sc->sc_dev), r)); |
441 | |
442 | return USBD_NORMAL_COMPLETION; |
443 | } |
444 | |
445 | Static usbd_status |
446 | uvscom_shutdown(struct uvscom_softc *sc) |
447 | { |
448 | usb_device_request_t req; |
449 | usbd_status err; |
450 | |
451 | DPRINTF(("%s: send shutdown\n" , device_xname(sc->sc_dev))); |
452 | |
453 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
454 | req.bRequest = UVSCOM_SHUTDOWN; |
455 | USETW(req.wValue, 0); |
456 | USETW(req.wIndex, 0); |
457 | USETW(req.wLength, 0); |
458 | |
459 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
460 | if (err) { |
461 | aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n" , |
462 | usbd_errstr(err)); |
463 | return err; |
464 | } |
465 | |
466 | return USBD_NORMAL_COMPLETION; |
467 | } |
468 | |
469 | Static usbd_status |
470 | uvscom_reset(struct uvscom_softc *sc) |
471 | { |
472 | DPRINTF(("%s: uvscom_reset\n" , device_xname(sc->sc_dev))); |
473 | |
474 | return USBD_NORMAL_COMPLETION; |
475 | } |
476 | |
477 | Static usbd_status |
478 | uvscom_set_crtscts(struct uvscom_softc *sc) |
479 | { |
480 | DPRINTF(("%s: uvscom_set_crtscts\n" , device_xname(sc->sc_dev))); |
481 | |
482 | return USBD_NORMAL_COMPLETION; |
483 | } |
484 | |
485 | Static usbd_status |
486 | uvscom_set_line(struct uvscom_softc *sc, uint16_t line) |
487 | { |
488 | usb_device_request_t req; |
489 | usbd_status err; |
490 | |
491 | DPRINTF(("%s: uvscom_set_line: %04x\n" , |
492 | device_xname(sc->sc_dev), line)); |
493 | |
494 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
495 | req.bRequest = UVSCOM_LINE_CTL; |
496 | USETW(req.wValue, line); |
497 | USETW(req.wIndex, 0); |
498 | USETW(req.wLength, 0); |
499 | |
500 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
501 | if (err) { |
502 | aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n" , |
503 | usbd_errstr(err)); |
504 | return err; |
505 | } |
506 | |
507 | return USBD_NORMAL_COMPLETION; |
508 | } |
509 | |
510 | Static usbd_status |
511 | uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) |
512 | { |
513 | usb_device_request_t req; |
514 | usbd_status err; |
515 | |
516 | DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n" , |
517 | device_xname(sc->sc_dev), lsp, ls)); |
518 | |
519 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
520 | req.bRequest = UVSCOM_SET_SPEED; |
521 | USETW(req.wValue, lsp); |
522 | USETW(req.wIndex, 0); |
523 | USETW(req.wLength, 0); |
524 | |
525 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
526 | if (err) { |
527 | aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n" , |
528 | usbd_errstr(err)); |
529 | return err; |
530 | } |
531 | |
532 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
533 | req.bRequest = UVSCOM_SET_PARAM; |
534 | USETW(req.wValue, ls); |
535 | USETW(req.wIndex, 0); |
536 | USETW(req.wLength, 0); |
537 | |
538 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
539 | if (err) { |
540 | aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n" , |
541 | usbd_errstr(err)); |
542 | return err; |
543 | } |
544 | |
545 | return USBD_NORMAL_COMPLETION; |
546 | } |
547 | |
548 | Static void |
549 | uvscom_dtr(struct uvscom_softc *sc, int onoff) |
550 | { |
551 | DPRINTF(("%s: uvscom_dtr: onoff = %d\n" , |
552 | device_xname(sc->sc_dev), onoff)); |
553 | |
554 | if (sc->sc_dtr == onoff) |
555 | return; /* no change */ |
556 | |
557 | sc->sc_dtr = onoff; |
558 | |
559 | if (onoff) |
560 | SET(sc->sc_lcr, UVSCOM_DTR); |
561 | else |
562 | CLR(sc->sc_lcr, UVSCOM_DTR); |
563 | |
564 | uvscom_set_line(sc, sc->sc_lcr); |
565 | } |
566 | |
567 | Static void |
568 | uvscom_rts(struct uvscom_softc *sc, int onoff) |
569 | { |
570 | DPRINTF(("%s: uvscom_rts: onoff = %d\n" , |
571 | device_xname(sc->sc_dev), onoff)); |
572 | |
573 | if (sc->sc_rts == onoff) |
574 | return; /* no change */ |
575 | |
576 | sc->sc_rts = onoff; |
577 | |
578 | if (onoff) |
579 | SET(sc->sc_lcr, UVSCOM_RTS); |
580 | else |
581 | CLR(sc->sc_lcr, UVSCOM_RTS); |
582 | |
583 | uvscom_set_line(sc, sc->sc_lcr); |
584 | } |
585 | |
586 | Static void |
587 | uvscom_break(struct uvscom_softc *sc, int onoff) |
588 | { |
589 | DPRINTF(("%s: uvscom_break: onoff = %d\n" , |
590 | device_xname(sc->sc_dev), onoff)); |
591 | |
592 | if (onoff) |
593 | uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); |
594 | } |
595 | |
596 | Static void |
597 | uvscom_set(void *addr, int portno, int reg, int onoff) |
598 | { |
599 | struct uvscom_softc *sc = addr; |
600 | |
601 | switch (reg) { |
602 | case UCOM_SET_DTR: |
603 | uvscom_dtr(sc, onoff); |
604 | break; |
605 | case UCOM_SET_RTS: |
606 | uvscom_rts(sc, onoff); |
607 | break; |
608 | case UCOM_SET_BREAK: |
609 | uvscom_break(sc, onoff); |
610 | break; |
611 | default: |
612 | break; |
613 | } |
614 | } |
615 | |
616 | Static int |
617 | uvscom_param(void *addr, int portno, struct termios *t) |
618 | { |
619 | struct uvscom_softc *sc = addr; |
620 | usbd_status err; |
621 | uint16_t lsp; |
622 | uint16_t ls; |
623 | |
624 | DPRINTF(("%s: uvscom_param: sc = %p\n" , |
625 | device_xname(sc->sc_dev), sc)); |
626 | |
627 | ls = 0; |
628 | |
629 | switch (t->c_ospeed) { |
630 | case B150: |
631 | lsp = UVSCOM_SPEED_150BPS; |
632 | break; |
633 | case B300: |
634 | lsp = UVSCOM_SPEED_300BPS; |
635 | break; |
636 | case B600: |
637 | lsp = UVSCOM_SPEED_600BPS; |
638 | break; |
639 | case B1200: |
640 | lsp = UVSCOM_SPEED_1200BPS; |
641 | break; |
642 | case B2400: |
643 | lsp = UVSCOM_SPEED_2400BPS; |
644 | break; |
645 | case B4800: |
646 | lsp = UVSCOM_SPEED_4800BPS; |
647 | break; |
648 | case B9600: |
649 | lsp = UVSCOM_SPEED_9600BPS; |
650 | break; |
651 | case B19200: |
652 | lsp = UVSCOM_SPEED_19200BPS; |
653 | break; |
654 | case B38400: |
655 | lsp = UVSCOM_SPEED_38400BPS; |
656 | break; |
657 | case B57600: |
658 | lsp = UVSCOM_SPEED_57600BPS; |
659 | break; |
660 | case B115200: |
661 | lsp = UVSCOM_SPEED_115200BPS; |
662 | break; |
663 | default: |
664 | return EIO; |
665 | } |
666 | |
667 | if (ISSET(t->c_cflag, CSTOPB)) |
668 | SET(ls, UVSCOM_STOP_BIT_2); |
669 | else |
670 | SET(ls, UVSCOM_STOP_BIT_1); |
671 | |
672 | if (ISSET(t->c_cflag, PARENB)) { |
673 | if (ISSET(t->c_cflag, PARODD)) |
674 | SET(ls, UVSCOM_PARITY_ODD); |
675 | else |
676 | SET(ls, UVSCOM_PARITY_EVEN); |
677 | } else |
678 | SET(ls, UVSCOM_PARITY_NONE); |
679 | |
680 | switch (ISSET(t->c_cflag, CSIZE)) { |
681 | case CS5: |
682 | SET(ls, UVSCOM_DATA_BIT_5); |
683 | break; |
684 | case CS6: |
685 | SET(ls, UVSCOM_DATA_BIT_6); |
686 | break; |
687 | case CS7: |
688 | SET(ls, UVSCOM_DATA_BIT_7); |
689 | break; |
690 | case CS8: |
691 | SET(ls, UVSCOM_DATA_BIT_8); |
692 | break; |
693 | default: |
694 | return EIO; |
695 | } |
696 | |
697 | err = uvscom_set_line_coding(sc, lsp, ls); |
698 | if (err) |
699 | return EIO; |
700 | |
701 | if (ISSET(t->c_cflag, CRTSCTS)) { |
702 | err = uvscom_set_crtscts(sc); |
703 | if (err) |
704 | return EIO; |
705 | } |
706 | |
707 | return 0; |
708 | } |
709 | |
710 | Static int |
711 | uvscom_open(void *addr, int portno) |
712 | { |
713 | struct uvscom_softc *sc = addr; |
714 | int err; |
715 | int i; |
716 | |
717 | if (sc->sc_dying) |
718 | return EIO; |
719 | |
720 | DPRINTF(("uvscom_open: sc = %p\n" , sc)); |
721 | |
722 | if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { |
723 | DPRINTF(("uvscom_open: open interrupt pipe.\n" )); |
724 | |
725 | sc->sc_usr = 0; /* clear unit status */ |
726 | |
727 | err = uvscom_readstat(sc); |
728 | if (err) { |
729 | DPRINTF(("%s: uvscom_open: readstat faild\n" , |
730 | device_xname(sc->sc_dev))); |
731 | return EIO; |
732 | } |
733 | |
734 | sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); |
735 | err = usbd_open_pipe_intr(sc->sc_iface, |
736 | sc->sc_intr_number, |
737 | USBD_SHORT_XFER_OK, |
738 | &sc->sc_intr_pipe, |
739 | sc, |
740 | sc->sc_intr_buf, |
741 | sc->sc_isize, |
742 | uvscom_intr, |
743 | UVSCOM_INTR_INTERVAL); |
744 | if (err) { |
745 | aprint_error_dev(sc->sc_dev, |
746 | "cannot open interrupt pipe (addr %d)\n" , |
747 | sc->sc_intr_number); |
748 | return EIO; |
749 | } |
750 | } else { |
751 | DPRINTF(("uvscom_open: did not open interrupt pipe.\n" )); |
752 | } |
753 | |
754 | if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { |
755 | /* unit is not ready */ |
756 | |
757 | for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { |
758 | tsleep(&err, TTIPRI, "uvsop" , hz); /* XXX */ |
759 | if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) |
760 | break; |
761 | } |
762 | if (i == 0) { |
763 | DPRINTF(("%s: unit is not ready\n" , |
764 | device_xname(sc->sc_dev))); |
765 | return EIO; |
766 | } |
767 | |
768 | /* check PC card was inserted */ |
769 | if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { |
770 | DPRINTF(("%s: no card\n" , |
771 | device_xname(sc->sc_dev))); |
772 | return EIO; |
773 | } |
774 | } |
775 | |
776 | return 0; |
777 | } |
778 | |
779 | Static void |
780 | uvscom_close(void *addr, int portno) |
781 | { |
782 | struct uvscom_softc *sc = addr; |
783 | int err; |
784 | |
785 | if (sc->sc_dying) |
786 | return; |
787 | |
788 | DPRINTF(("uvscom_close: close\n" )); |
789 | |
790 | uvscom_shutdown(sc); |
791 | |
792 | if (sc->sc_intr_pipe != NULL) { |
793 | err = usbd_abort_pipe(sc->sc_intr_pipe); |
794 | if (err) |
795 | aprint_error_dev(sc->sc_dev, |
796 | "abort interrupt pipe failed: %s\n" , |
797 | usbd_errstr(err)); |
798 | err = usbd_close_pipe(sc->sc_intr_pipe); |
799 | if (err) |
800 | aprint_error_dev(sc->sc_dev, |
801 | "lose interrupt pipe failed: %s\n" , |
802 | usbd_errstr(err)); |
803 | kmem_free(sc->sc_intr_buf, sc->sc_isize); |
804 | sc->sc_intr_pipe = NULL; |
805 | } |
806 | } |
807 | |
808 | Static void |
809 | uvscom_intr(struct usbd_xfer *xfer, void *priv, |
810 | usbd_status status) |
811 | { |
812 | struct uvscom_softc *sc = priv; |
813 | u_char *buf = sc->sc_intr_buf; |
814 | u_char pstatus; |
815 | |
816 | if (sc->sc_dying) |
817 | return; |
818 | |
819 | if (status != USBD_NORMAL_COMPLETION) { |
820 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
821 | return; |
822 | |
823 | aprint_error_dev(sc->sc_dev, |
824 | "uvscom_intr: abnormal status: %s\n" , |
825 | usbd_errstr(status)); |
826 | usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); |
827 | return; |
828 | } |
829 | |
830 | DPRINTFN(2, ("%s: uvscom status = %02x %02x\n" , |
831 | device_xname(sc->sc_dev), buf[0], buf[1])); |
832 | |
833 | sc->sc_lsr = sc->sc_msr = 0; |
834 | sc->sc_usr = buf[1]; |
835 | |
836 | pstatus = buf[0]; |
837 | if (ISSET(pstatus, UVSCOM_TXRDY)) |
838 | SET(sc->sc_lsr, ULSR_TXRDY); |
839 | if (ISSET(pstatus, UVSCOM_RXRDY)) |
840 | SET(sc->sc_lsr, ULSR_RXRDY); |
841 | |
842 | pstatus = buf[1]; |
843 | if (ISSET(pstatus, UVSCOM_CTS)) |
844 | SET(sc->sc_msr, UMSR_CTS); |
845 | if (ISSET(pstatus, UVSCOM_DSR)) |
846 | SET(sc->sc_msr, UMSR_DSR); |
847 | if (ISSET(pstatus, UVSCOM_DCD)) |
848 | SET(sc->sc_msr, UMSR_DCD); |
849 | |
850 | ucom_status_change(device_private(sc->sc_subdev)); |
851 | } |
852 | |
853 | Static void |
854 | uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) |
855 | { |
856 | struct uvscom_softc *sc = addr; |
857 | |
858 | if (lsr != NULL) |
859 | *lsr = sc->sc_lsr; |
860 | if (msr != NULL) |
861 | *msr = sc->sc_msr; |
862 | } |
863 | |
864 | |