usb_subr.c revision 1.235 1 1.235 maxv /* $NetBSD: usb_subr.c,v 1.235 2019/07/23 17:21:33 maxv Exp $ */
2 1.56 augustss /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */
3 1.1 augustss
4 1.1 augustss /*
5 1.121 mycroft * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
6 1.1 augustss * All rights reserved.
7 1.1 augustss *
8 1.9 augustss * This code is derived from software contributed to The NetBSD Foundation
9 1.76 augustss * by Lennart Augustsson (lennart (at) augustsson.net) at
10 1.9 augustss * Carlstedt Research & Technology.
11 1.1 augustss *
12 1.1 augustss * Redistribution and use in source and binary forms, with or without
13 1.1 augustss * modification, are permitted provided that the following conditions
14 1.1 augustss * are met:
15 1.1 augustss * 1. Redistributions of source code must retain the above copyright
16 1.1 augustss * notice, this list of conditions and the following disclaimer.
17 1.1 augustss * 2. Redistributions in binary form must reproduce the above copyright
18 1.1 augustss * notice, this list of conditions and the following disclaimer in the
19 1.1 augustss * documentation and/or other materials provided with the distribution.
20 1.1 augustss *
21 1.1 augustss * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 1.1 augustss * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 1.1 augustss * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 1.1 augustss * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 1.1 augustss * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 1.1 augustss * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 1.1 augustss * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 1.1 augustss * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 1.1 augustss * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 1.1 augustss * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 1.1 augustss * POSSIBILITY OF SUCH DAMAGE.
32 1.1 augustss */
33 1.91 lukem
34 1.91 lukem #include <sys/cdefs.h>
35 1.235 maxv __KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.235 2019/07/23 17:21:33 maxv Exp $");
36 1.104 martin
37 1.186 christos #ifdef _KERNEL_OPT
38 1.140 pavel #include "opt_compat_netbsd.h"
39 1.197 skrll #include "opt_usb.h"
40 1.104 martin #include "opt_usbverbose.h"
41 1.186 christos #endif
42 1.1 augustss
43 1.1 augustss #include <sys/param.h>
44 1.1 augustss #include <sys/systm.h>
45 1.1 augustss #include <sys/kernel.h>
46 1.208 skrll #include <sys/kmem.h>
47 1.1 augustss #include <sys/device.h>
48 1.56 augustss #include <sys/select.h>
49 1.1 augustss #include <sys/proc.h>
50 1.46 augustss
51 1.149 ad #include <sys/bus.h>
52 1.169 pgoyette #include <sys/module.h>
53 1.1 augustss
54 1.1 augustss #include <dev/usb/usb.h>
55 1.1 augustss
56 1.1 augustss #include <dev/usb/usbdi.h>
57 1.1 augustss #include <dev/usb/usbdi_util.h>
58 1.1 augustss #include <dev/usb/usbdivar.h>
59 1.1 augustss #include <dev/usb/usbdevs.h>
60 1.1 augustss #include <dev/usb/usb_quirks.h>
61 1.169 pgoyette #include <dev/usb/usb_verbose.h>
62 1.205 skrll #include <dev/usb/usbhist.h>
63 1.1 augustss
64 1.158 drochner #include "locators.h"
65 1.158 drochner
66 1.205 skrll #define DPRINTF(FMT,A,B,C,D) USBHIST_LOG(usbdebug,FMT,A,B,C,D)
67 1.205 skrll #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbdebug,N,FMT,A,B,C,D)
68 1.1 augustss
69 1.210 skrll Static usbd_status usbd_set_config(struct usbd_device *, int);
70 1.210 skrll Static void usbd_devinfo(struct usbd_device *, int, char *, size_t);
71 1.210 skrll Static int usbd_getnewaddr(struct usbd_bus *);
72 1.118 drochner Static int usbd_print(void *, const char *);
73 1.144 drochner Static int usbd_ifprint(void *, const char *);
74 1.210 skrll Static void usbd_free_iface_data(struct usbd_device *, int);
75 1.1 augustss
76 1.193 jakllsch uint32_t usb_cookie_no = 0;
77 1.27 augustss
78 1.84 jdolecek Static const char * const usbd_error_strs[] = {
79 1.12 augustss "NORMAL_COMPLETION",
80 1.12 augustss "IN_PROGRESS",
81 1.12 augustss "PENDING_REQUESTS",
82 1.12 augustss "NOT_STARTED",
83 1.12 augustss "INVAL",
84 1.12 augustss "NOMEM",
85 1.12 augustss "CANCELLED",
86 1.12 augustss "BAD_ADDRESS",
87 1.12 augustss "IN_USE",
88 1.12 augustss "NO_ADDR",
89 1.12 augustss "SET_ADDR_FAILED",
90 1.12 augustss "NO_POWER",
91 1.12 augustss "TOO_DEEP",
92 1.12 augustss "IOERROR",
93 1.12 augustss "NOT_CONFIGURED",
94 1.12 augustss "TIMEOUT",
95 1.12 augustss "SHORT_XFER",
96 1.12 augustss "STALLED",
97 1.33 augustss "INTERRUPTED",
98 1.12 augustss "XXX",
99 1.12 augustss };
100 1.1 augustss
101 1.198 christos DEV_VERBOSE_DEFINE(usb);
102 1.169 pgoyette
103 1.42 thorpej const char *
104 1.78 augustss usbd_errstr(usbd_status err)
105 1.39 augustss {
106 1.39 augustss static char buffer[5];
107 1.39 augustss
108 1.42 thorpej if (err < USBD_ERROR_MAX) {
109 1.39 augustss return usbd_error_strs[err];
110 1.39 augustss } else {
111 1.210 skrll snprintf(buffer, sizeof(buffer), "%d", err);
112 1.39 augustss return buffer;
113 1.39 augustss }
114 1.39 augustss }
115 1.39 augustss
116 1.13 augustss usbd_status
117 1.210 skrll usbd_get_string_desc(struct usbd_device *dev, int sindex, int langid,
118 1.114 mycroft usb_string_descriptor_t *sdesc, int *sizep)
119 1.13 augustss {
120 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
121 1.13 augustss usb_device_request_t req;
122 1.116 mycroft usbd_status err;
123 1.116 mycroft int actlen;
124 1.13 augustss
125 1.13 augustss req.bmRequestType = UT_READ_DEVICE;
126 1.13 augustss req.bRequest = UR_GET_DESCRIPTOR;
127 1.13 augustss USETW2(req.wValue, UDESC_STRING, sindex);
128 1.13 augustss USETW(req.wIndex, langid);
129 1.146 christos USETW(req.wLength, 2); /* only size byte first */
130 1.116 mycroft err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK,
131 1.116 mycroft &actlen, USBD_DEFAULT_TIMEOUT);
132 1.116 mycroft if (err)
133 1.210 skrll return err;
134 1.116 mycroft
135 1.146 christos if (actlen < 2)
136 1.210 skrll return USBD_SHORT_XFER;
137 1.146 christos
138 1.235 maxv if (sdesc->bLength > sizeof(*sdesc))
139 1.235 maxv return USBD_INVAL;
140 1.146 christos USETW(req.wLength, sdesc->bLength); /* the whole string */
141 1.217 skrll err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK,
142 1.217 skrll &actlen, USBD_DEFAULT_TIMEOUT);
143 1.146 christos if (err)
144 1.210 skrll return err;
145 1.146 christos
146 1.116 mycroft if (actlen != sdesc->bLength) {
147 1.221 pgoyette DPRINTF("expected %jd, got %jd", sdesc->bLength, actlen, 0, 0);
148 1.116 mycroft }
149 1.116 mycroft
150 1.116 mycroft *sizep = actlen;
151 1.210 skrll return USBD_NORMAL_COMPLETION;
152 1.13 augustss }
153 1.13 augustss
154 1.128 enami static void
155 1.128 enami usbd_trim_spaces(char *p)
156 1.83 augustss {
157 1.128 enami char *q, *e;
158 1.83 augustss
159 1.128 enami q = e = p;
160 1.128 enami while (*q == ' ') /* skip leading spaces */
161 1.85 augustss q++;
162 1.128 enami while ((*p = *q++)) /* copy string */
163 1.128 enami if (*p++ != ' ') /* remember last non-space */
164 1.128 enami e = p;
165 1.128 enami *e = '\0'; /* kill trailing spaces */
166 1.83 augustss }
167 1.83 augustss
168 1.207 skrll static void
169 1.207 skrll usbd_get_device_string(struct usbd_device *ud, uByte index, char **buf)
170 1.207 skrll {
171 1.220 chs char *b;
172 1.220 chs usbd_status err;
173 1.220 chs
174 1.220 chs b = kmem_alloc(USB_MAX_ENCODED_STRING_LEN, KM_SLEEP);
175 1.220 chs err = usbd_get_string0(ud, index, b, true);
176 1.220 chs if (err != USBD_NORMAL_COMPLETION) {
177 1.220 chs kmem_free(b, USB_MAX_ENCODED_STRING_LEN);
178 1.220 chs b = NULL;
179 1.220 chs } else {
180 1.220 chs usbd_trim_spaces(b);
181 1.207 skrll }
182 1.220 chs
183 1.207 skrll *buf = b;
184 1.207 skrll }
185 1.207 skrll
186 1.207 skrll void
187 1.207 skrll usbd_get_device_strings(struct usbd_device *ud)
188 1.207 skrll {
189 1.210 skrll usb_device_descriptor_t *udd = &ud->ud_ddesc;
190 1.207 skrll
191 1.207 skrll usbd_get_device_string(ud, udd->iManufacturer, &ud->ud_vendor);
192 1.207 skrll usbd_get_device_string(ud, udd->iProduct, &ud->ud_product);
193 1.207 skrll usbd_get_device_string(ud, udd->iSerialNumber, &ud->ud_serial);
194 1.207 skrll }
195 1.207 skrll
196 1.207 skrll
197 1.229 pgoyette void
198 1.210 skrll usbd_devinfo_vp(struct usbd_device *dev, char *v, size_t vl, char *p,
199 1.175 christos size_t pl, int usedev, int useencoded)
200 1.1 augustss {
201 1.210 skrll usb_device_descriptor_t *udd = &dev->ud_ddesc;
202 1.175 christos if (dev == NULL)
203 1.175 christos return;
204 1.1 augustss
205 1.128 enami v[0] = p[0] = '\0';
206 1.52 augustss
207 1.82 augustss if (usedev) {
208 1.139 pavel if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) ==
209 1.128 enami USBD_NORMAL_COMPLETION)
210 1.128 enami usbd_trim_spaces(v);
211 1.139 pavel if (usbd_get_string0(dev, udd->iProduct, p, useencoded) ==
212 1.128 enami USBD_NORMAL_COMPLETION)
213 1.128 enami usbd_trim_spaces(p);
214 1.207 skrll } else {
215 1.207 skrll if (dev->ud_vendor) {
216 1.207 skrll strlcpy(v, dev->ud_vendor, vl);
217 1.207 skrll }
218 1.207 skrll if (dev->ud_product) {
219 1.207 skrll strlcpy(p, dev->ud_product, pl);
220 1.207 skrll }
221 1.82 augustss }
222 1.128 enami if (v[0] == '\0')
223 1.198 christos usb_findvendor(v, vl, UGETW(udd->idVendor));
224 1.128 enami if (p[0] == '\0')
225 1.198 christos usb_findproduct(p, pl, UGETW(udd->idVendor),
226 1.175 christos UGETW(udd->idProduct));
227 1.1 augustss }
228 1.1 augustss
229 1.1 augustss int
230 1.113 itojun usbd_printBCD(char *cp, size_t l, int bcd)
231 1.1 augustss {
232 1.175 christos return snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff);
233 1.1 augustss }
234 1.1 augustss
235 1.124 augustss Static void
236 1.210 skrll usbd_devinfo(struct usbd_device *dev, int showclass, char *cp, size_t l)
237 1.1 augustss {
238 1.210 skrll usb_device_descriptor_t *udd = &dev->ud_ddesc;
239 1.133 christos char *vendor, *product;
240 1.1 augustss int bcdDevice, bcdUSB;
241 1.113 itojun char *ep;
242 1.113 itojun
243 1.210 skrll vendor = kmem_alloc(USB_MAX_ENCODED_STRING_LEN * 2, KM_SLEEP);
244 1.133 christos product = &vendor[USB_MAX_ENCODED_STRING_LEN];
245 1.133 christos
246 1.113 itojun ep = cp + l;
247 1.1 augustss
248 1.175 christos usbd_devinfo_vp(dev, vendor, USB_MAX_ENCODED_STRING_LEN,
249 1.207 skrll product, USB_MAX_ENCODED_STRING_LEN, 0, 1);
250 1.219 christos cp += snprintf(cp, ep - cp, "%s (%#04x) %s (%#04x)", vendor,
251 1.219 christos UGETW(udd->idVendor), product, UGETW(udd->idProduct));
252 1.1 augustss if (showclass)
253 1.113 itojun cp += snprintf(cp, ep - cp, ", class %d/%d",
254 1.113 itojun udd->bDeviceClass, udd->bDeviceSubClass);
255 1.1 augustss bcdUSB = UGETW(udd->bcdUSB);
256 1.1 augustss bcdDevice = UGETW(udd->bcdDevice);
257 1.113 itojun cp += snprintf(cp, ep - cp, ", rev ");
258 1.113 itojun cp += usbd_printBCD(cp, ep - cp, bcdUSB);
259 1.1 augustss *cp++ = '/';
260 1.113 itojun cp += usbd_printBCD(cp, ep - cp, bcdDevice);
261 1.210 skrll cp += snprintf(cp, ep - cp, ", addr %d", dev->ud_addr);
262 1.10 augustss *cp = 0;
263 1.210 skrll kmem_free(vendor, USB_MAX_ENCODED_STRING_LEN * 2);
264 1.1 augustss }
265 1.1 augustss
266 1.124 augustss char *
267 1.210 skrll usbd_devinfo_alloc(struct usbd_device *dev, int showclass)
268 1.124 augustss {
269 1.124 augustss char *devinfop;
270 1.124 augustss
271 1.210 skrll devinfop = kmem_alloc(DEVINFOSIZE, KM_SLEEP);
272 1.124 augustss usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE);
273 1.124 augustss return devinfop;
274 1.124 augustss }
275 1.124 augustss
276 1.124 augustss void
277 1.124 augustss usbd_devinfo_free(char *devinfop)
278 1.124 augustss {
279 1.210 skrll kmem_free(devinfop, DEVINFOSIZE);
280 1.124 augustss }
281 1.124 augustss
282 1.1 augustss /* Delay for a certain number of ms */
283 1.1 augustss void
284 1.210 skrll usb_delay_ms_locked(struct usbd_bus *bus, u_int ms, kmutex_t *lock)
285 1.1 augustss {
286 1.1 augustss /* Wait at least two clock ticks so we know the time has passed. */
287 1.210 skrll if (bus->ub_usepolling || cold)
288 1.1 augustss delay((ms+1) * 1000);
289 1.1 augustss else
290 1.182 mrg kpause("usbdly", false, (ms*hz+999)/1000 + 1, lock);
291 1.182 mrg }
292 1.182 mrg
293 1.182 mrg void
294 1.210 skrll usb_delay_ms(struct usbd_bus *bus, u_int ms)
295 1.182 mrg {
296 1.182 mrg usb_delay_ms_locked(bus, ms, NULL);
297 1.182 mrg }
298 1.182 mrg
299 1.182 mrg /* Delay given a device handle. */
300 1.182 mrg void
301 1.210 skrll usbd_delay_ms_locked(struct usbd_device *dev, u_int ms, kmutex_t *lock)
302 1.182 mrg {
303 1.210 skrll usb_delay_ms_locked(dev->ud_bus, ms, lock);
304 1.1 augustss }
305 1.1 augustss
306 1.23 augustss /* Delay given a device handle. */
307 1.23 augustss void
308 1.210 skrll usbd_delay_ms(struct usbd_device *dev, u_int ms)
309 1.23 augustss {
310 1.210 skrll usb_delay_ms_locked(dev->ud_bus, ms, NULL);
311 1.23 augustss }
312 1.23 augustss
313 1.1 augustss usbd_status
314 1.210 skrll usbd_reset_port(struct usbd_device *dev, int port, usb_port_status_t *ps)
315 1.1 augustss {
316 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
317 1.1 augustss usb_device_request_t req;
318 1.53 augustss usbd_status err;
319 1.1 augustss int n;
320 1.99 augustss
321 1.1 augustss req.bmRequestType = UT_WRITE_CLASS_OTHER;
322 1.1 augustss req.bRequest = UR_SET_FEATURE;
323 1.1 augustss USETW(req.wValue, UHF_PORT_RESET);
324 1.1 augustss USETW(req.wIndex, port);
325 1.1 augustss USETW(req.wLength, 0);
326 1.53 augustss err = usbd_do_request(dev, &req, 0);
327 1.221 pgoyette DPRINTFN(1, "port %jd reset done, error=%jd", port, err, 0, 0);
328 1.53 augustss if (err)
329 1.210 skrll return err;
330 1.1 augustss n = 10;
331 1.1 augustss do {
332 1.1 augustss /* Wait for device to recover from reset. */
333 1.23 augustss usbd_delay_ms(dev, USB_PORT_RESET_DELAY);
334 1.53 augustss err = usbd_get_port_status(dev, port, ps);
335 1.53 augustss if (err) {
336 1.221 pgoyette DPRINTF("get status failed %jd", err, 0, 0, 0);
337 1.210 skrll return err;
338 1.1 augustss }
339 1.92 augustss /* If the device disappeared, just give up. */
340 1.92 augustss if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS))
341 1.210 skrll return USBD_NORMAL_COMPLETION;
342 1.1 augustss } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0);
343 1.73 augustss if (n == 0)
344 1.210 skrll return USBD_TIMEOUT;
345 1.53 augustss err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET);
346 1.1 augustss #ifdef USB_DEBUG
347 1.53 augustss if (err)
348 1.221 pgoyette DPRINTF("clear port feature failed %jd", err, 0, 0, 0);
349 1.1 augustss #endif
350 1.18 augustss
351 1.18 augustss /* Wait for the device to recover from reset. */
352 1.23 augustss usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY);
353 1.210 skrll return err;
354 1.1 augustss }
355 1.1 augustss
356 1.12 augustss usb_interface_descriptor_t *
357 1.78 augustss usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx)
358 1.12 augustss {
359 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
360 1.12 augustss char *p = (char *)cd;
361 1.12 augustss char *end = p + UGETW(cd->wTotalLength);
362 1.12 augustss usb_interface_descriptor_t *d;
363 1.19 augustss int curidx, lastidx, curaidx = 0;
364 1.12 augustss
365 1.19 augustss for (curidx = lastidx = -1; p < end; ) {
366 1.12 augustss d = (usb_interface_descriptor_t *)p;
367 1.221 pgoyette DPRINTFN(4, "idx=%jd(%jd) altidx=%jd(%jd)", ifaceidx, curidx,
368 1.205 skrll altidx, curaidx);
369 1.221 pgoyette DPRINTFN(4, "len=%jd type=%jd", d->bLength, d->bDescriptorType,
370 1.205 skrll 0, 0);
371 1.232 maxv if (d->bLength == 0)
372 1.231 maxv break; /* bad descriptor */
373 1.12 augustss p += d->bLength;
374 1.12 augustss if (p <= end && d->bDescriptorType == UDESC_INTERFACE) {
375 1.19 augustss if (d->bInterfaceNumber != lastidx) {
376 1.19 augustss lastidx = d->bInterfaceNumber;
377 1.12 augustss curidx++;
378 1.12 augustss curaidx = 0;
379 1.12 augustss } else
380 1.12 augustss curaidx++;
381 1.12 augustss if (ifaceidx == curidx && altidx == curaidx)
382 1.210 skrll return d;
383 1.12 augustss }
384 1.12 augustss }
385 1.210 skrll return NULL;
386 1.12 augustss }
387 1.12 augustss
388 1.12 augustss usb_endpoint_descriptor_t *
389 1.99 augustss usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx,
390 1.78 augustss int endptidx)
391 1.12 augustss {
392 1.12 augustss char *p = (char *)cd;
393 1.12 augustss char *end = p + UGETW(cd->wTotalLength);
394 1.12 augustss usb_interface_descriptor_t *d;
395 1.12 augustss usb_endpoint_descriptor_t *e;
396 1.12 augustss int curidx;
397 1.12 augustss
398 1.12 augustss d = usbd_find_idesc(cd, ifaceidx, altidx);
399 1.53 augustss if (d == NULL)
400 1.210 skrll return NULL;
401 1.12 augustss if (endptidx >= d->bNumEndpoints) /* quick exit */
402 1.210 skrll return NULL;
403 1.12 augustss
404 1.12 augustss curidx = -1;
405 1.12 augustss for (p = (char *)d + d->bLength; p < end; ) {
406 1.12 augustss e = (usb_endpoint_descriptor_t *)p;
407 1.232 maxv if (e->bLength == 0)
408 1.231 maxv break; /* bad descriptor */
409 1.12 augustss p += e->bLength;
410 1.12 augustss if (p <= end && e->bDescriptorType == UDESC_INTERFACE)
411 1.210 skrll return NULL;
412 1.12 augustss if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) {
413 1.12 augustss curidx++;
414 1.12 augustss if (curidx == endptidx)
415 1.210 skrll return e;
416 1.12 augustss }
417 1.1 augustss }
418 1.210 skrll return NULL;
419 1.1 augustss }
420 1.1 augustss
421 1.1 augustss usbd_status
422 1.210 skrll usbd_fill_iface_data(struct usbd_device *dev, int ifaceidx, int altidx)
423 1.1 augustss {
424 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
425 1.210 skrll struct usbd_interface *ifc = &dev->ud_ifaces[ifaceidx];
426 1.77 augustss usb_interface_descriptor_t *idesc;
427 1.1 augustss char *p, *end;
428 1.1 augustss int endpt, nendpt;
429 1.1 augustss
430 1.221 pgoyette DPRINTFN(4, "ifaceidx=%jd altidx=%jd", ifaceidx, altidx, 0, 0);
431 1.210 skrll idesc = usbd_find_idesc(dev->ud_cdesc, ifaceidx, altidx);
432 1.77 augustss if (idesc == NULL)
433 1.210 skrll return USBD_INVAL;
434 1.210 skrll ifc->ui_dev = dev;
435 1.210 skrll ifc->ui_idesc = idesc;
436 1.210 skrll ifc->ui_index = ifaceidx;
437 1.210 skrll ifc->ui_altindex = altidx;
438 1.210 skrll nendpt = ifc->ui_idesc->bNumEndpoints;
439 1.221 pgoyette DPRINTFN(4, "found idesc nendpt=%jd", nendpt, 0, 0, 0);
440 1.1 augustss if (nendpt != 0) {
441 1.210 skrll ifc->ui_endpoints = kmem_alloc(nendpt * sizeof(struct usbd_endpoint),
442 1.210 skrll KM_SLEEP);
443 1.1 augustss } else
444 1.210 skrll ifc->ui_endpoints = NULL;
445 1.210 skrll ifc->ui_priv = NULL;
446 1.210 skrll p = (char *)ifc->ui_idesc + ifc->ui_idesc->bLength;
447 1.210 skrll end = (char *)dev->ud_cdesc + UGETW(dev->ud_cdesc->wTotalLength);
448 1.19 augustss #define ed ((usb_endpoint_descriptor_t *)p)
449 1.1 augustss for (endpt = 0; endpt < nendpt; endpt++) {
450 1.221 pgoyette DPRINTFN(10, "endpt=%jd", endpt, 0, 0, 0);
451 1.1 augustss for (; p < end; p += ed->bLength) {
452 1.221 pgoyette DPRINTFN(10, "p=%#jx end=%#jx len=%jd type=%jd",
453 1.221 pgoyette (uintptr_t)p, (uintptr_t)end, ed->bLength,
454 1.221 pgoyette ed->bDescriptorType);
455 1.24 augustss if (p + ed->bLength <= end && ed->bLength != 0 &&
456 1.1 augustss ed->bDescriptorType == UDESC_ENDPOINT)
457 1.24 augustss goto found;
458 1.59 augustss if (ed->bLength == 0 ||
459 1.59 augustss ed->bDescriptorType == UDESC_INTERFACE)
460 1.1 augustss break;
461 1.1 augustss }
462 1.24 augustss /* passed end, or bad desc */
463 1.95 augustss printf("usbd_fill_iface_data: bad descriptor(s): %s\n",
464 1.95 augustss ed->bLength == 0 ? "0 length" :
465 1.95 augustss ed->bDescriptorType == UDESC_INTERFACE ? "iface desc":
466 1.95 augustss "out of data");
467 1.24 augustss goto bad;
468 1.24 augustss found:
469 1.210 skrll ifc->ui_endpoints[endpt].ue_edesc = ed;
470 1.210 skrll if (dev->ud_speed == USB_SPEED_HIGH) {
471 1.95 augustss u_int mps;
472 1.95 augustss /* Control and bulk endpoints have max packet limits. */
473 1.95 augustss switch (UE_GET_XFERTYPE(ed->bmAttributes)) {
474 1.95 augustss case UE_CONTROL:
475 1.95 augustss mps = USB_2_MAX_CTRL_PACKET;
476 1.95 augustss goto check;
477 1.95 augustss case UE_BULK:
478 1.95 augustss mps = USB_2_MAX_BULK_PACKET;
479 1.95 augustss check:
480 1.95 augustss if (UGETW(ed->wMaxPacketSize) != mps) {
481 1.95 augustss USETW(ed->wMaxPacketSize, mps);
482 1.95 augustss #ifdef DIAGNOSTIC
483 1.95 augustss printf("usbd_fill_iface_data: bad max "
484 1.95 augustss "packet size\n");
485 1.95 augustss #endif
486 1.95 augustss }
487 1.95 augustss break;
488 1.95 augustss default:
489 1.95 augustss break;
490 1.95 augustss }
491 1.95 augustss }
492 1.210 skrll ifc->ui_endpoints[endpt].ue_refcnt = 0;
493 1.210 skrll ifc->ui_endpoints[endpt].ue_toggle = 0;
494 1.24 augustss p += ed->bLength;
495 1.1 augustss }
496 1.19 augustss #undef ed
497 1.210 skrll LIST_INIT(&ifc->ui_pipes);
498 1.210 skrll return USBD_NORMAL_COMPLETION;
499 1.24 augustss
500 1.1 augustss bad:
501 1.210 skrll if (ifc->ui_endpoints != NULL) {
502 1.210 skrll kmem_free(ifc->ui_endpoints, nendpt * sizeof(struct usbd_endpoint));
503 1.210 skrll ifc->ui_endpoints = NULL;
504 1.77 augustss }
505 1.210 skrll return USBD_INVAL;
506 1.1 augustss }
507 1.1 augustss
508 1.1 augustss void
509 1.210 skrll usbd_free_iface_data(struct usbd_device *dev, int ifcno)
510 1.1 augustss {
511 1.210 skrll struct usbd_interface *ifc = &dev->ud_ifaces[ifcno];
512 1.210 skrll if (ifc->ui_endpoints) {
513 1.210 skrll int nendpt = ifc->ui_idesc->bNumEndpoints;
514 1.210 skrll size_t sz = nendpt * sizeof(struct usbd_endpoint);
515 1.210 skrll kmem_free(ifc->ui_endpoints, sz);
516 1.210 skrll }
517 1.1 augustss }
518 1.1 augustss
519 1.69 augustss Static usbd_status
520 1.210 skrll usbd_set_config(struct usbd_device *dev, int conf)
521 1.7 augustss {
522 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
523 1.7 augustss usb_device_request_t req;
524 1.7 augustss
525 1.221 pgoyette DPRINTFN(5, "dev %#jx conf %jd", (uintptr_t)dev, conf, 0, 0);
526 1.210 skrll
527 1.7 augustss req.bmRequestType = UT_WRITE_DEVICE;
528 1.7 augustss req.bRequest = UR_SET_CONFIG;
529 1.7 augustss USETW(req.wValue, conf);
530 1.7 augustss USETW(req.wIndex, 0);
531 1.7 augustss USETW(req.wLength, 0);
532 1.210 skrll return usbd_do_request(dev, &req, 0);
533 1.7 augustss }
534 1.7 augustss
535 1.1 augustss usbd_status
536 1.210 skrll usbd_set_config_no(struct usbd_device *dev, int no, int msg)
537 1.1 augustss {
538 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
539 1.12 augustss usb_config_descriptor_t cd;
540 1.53 augustss usbd_status err;
541 1.210 skrll int index;
542 1.205 skrll
543 1.75 augustss if (no == USB_UNCONFIG_NO)
544 1.210 skrll return usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg);
545 1.75 augustss
546 1.221 pgoyette DPRINTFN(5, "%jd", no, 0, 0, 0);
547 1.12 augustss /* Figure out what config index to use. */
548 1.210 skrll for (index = 0; index < dev->ud_ddesc.bNumConfigurations; index++) {
549 1.53 augustss err = usbd_get_config_desc(dev, index, &cd);
550 1.53 augustss if (err)
551 1.210 skrll return err;
552 1.12 augustss if (cd.bConfigurationValue == no)
553 1.210 skrll return usbd_set_config_index(dev, index, msg);
554 1.12 augustss }
555 1.210 skrll return USBD_INVAL;
556 1.12 augustss }
557 1.12 augustss
558 1.12 augustss usbd_status
559 1.210 skrll usbd_set_config_index(struct usbd_device *dev, int index, int msg)
560 1.12 augustss {
561 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
562 1.1 augustss usb_config_descriptor_t cd, *cdp;
563 1.216 skrll usb_bos_descriptor_t *bdp = NULL;
564 1.53 augustss usbd_status err;
565 1.103 augustss int i, ifcidx, nifc, len, selfpowered, power;
566 1.1 augustss
567 1.221 pgoyette DPRINTFN(5, "dev=%#jx index=%jd", (uintptr_t)dev, index, 0, 0);
568 1.1 augustss
569 1.210 skrll if (index >= dev->ud_ddesc.bNumConfigurations &&
570 1.161 drochner index != USB_UNCONFIG_INDEX) {
571 1.145 drochner /* panic? */
572 1.145 drochner printf("usbd_set_config_index: illegal index\n");
573 1.210 skrll return USBD_INVAL;
574 1.145 drochner }
575 1.145 drochner
576 1.1 augustss /* XXX check that all interfaces are idle */
577 1.210 skrll if (dev->ud_config != USB_UNCONFIG_NO) {
578 1.205 skrll DPRINTF("free old config", 0, 0, 0, 0);
579 1.1 augustss /* Free all configuration data structures. */
580 1.210 skrll nifc = dev->ud_cdesc->bNumInterface;
581 1.12 augustss for (ifcidx = 0; ifcidx < nifc; ifcidx++)
582 1.12 augustss usbd_free_iface_data(dev, ifcidx);
583 1.210 skrll kmem_free(dev->ud_ifaces, nifc * sizeof(struct usbd_interface));
584 1.210 skrll kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength));
585 1.210 skrll if (dev->ud_bdesc != NULL)
586 1.210 skrll kmem_free(dev->ud_bdesc,
587 1.210 skrll UGETW(dev->ud_bdesc->wTotalLength));
588 1.210 skrll dev->ud_ifaces = NULL;
589 1.210 skrll dev->ud_cdesc = NULL;
590 1.210 skrll dev->ud_bdesc = NULL;
591 1.210 skrll dev->ud_config = USB_UNCONFIG_NO;
592 1.75 augustss }
593 1.75 augustss
594 1.75 augustss if (index == USB_UNCONFIG_INDEX) {
595 1.75 augustss /* We are unconfiguring the device, so leave unallocated. */
596 1.205 skrll DPRINTF("set config 0", 0, 0, 0, 0);
597 1.75 augustss err = usbd_set_config(dev, USB_UNCONFIG_NO);
598 1.136 christos if (err) {
599 1.221 pgoyette DPRINTF("setting config=0 failed, err = %jd", err,
600 1.205 skrll 0, 0, 0);
601 1.136 christos }
602 1.210 skrll return err;
603 1.1 augustss }
604 1.1 augustss
605 1.74 augustss /* Get the short descriptor. */
606 1.53 augustss err = usbd_get_config_desc(dev, index, &cd);
607 1.172 drochner if (err) {
608 1.221 pgoyette DPRINTF("get_config_desc=%jd", err, 0, 0, 0);
609 1.210 skrll return err;
610 1.172 drochner }
611 1.1 augustss len = UGETW(cd.wTotalLength);
612 1.235 maxv if (len < USB_CONFIG_DESCRIPTOR_SIZE) {
613 1.222 khorben DPRINTF("empty short descriptor", 0, 0, 0, 0);
614 1.222 khorben return USBD_INVAL;
615 1.222 khorben }
616 1.210 skrll cdp = kmem_alloc(len, KM_SLEEP);
617 1.103 augustss
618 1.103 augustss /* Get the full descriptor. Try a few times for slow devices. */
619 1.103 augustss for (i = 0; i < 3; i++) {
620 1.103 augustss err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp);
621 1.103 augustss if (!err)
622 1.103 augustss break;
623 1.103 augustss usbd_delay_ms(dev, 200);
624 1.103 augustss }
625 1.172 drochner if (err) {
626 1.221 pgoyette DPRINTF("get_desc=%jd", err, 0, 0, 0);
627 1.1 augustss goto bad;
628 1.172 drochner }
629 1.18 augustss if (cdp->bDescriptorType != UDESC_CONFIG) {
630 1.221 pgoyette DPRINTF("bad desc %jd", cdp->bDescriptorType, 0, 0, 0);
631 1.53 augustss err = USBD_INVAL;
632 1.18 augustss goto bad;
633 1.18 augustss }
634 1.235 maxv if (UGETW(cdp->wTotalLength) != UGETW(cd.wTotalLength)) {
635 1.235 maxv DPRINTF("bad len %jd", UGETW(cdp->wTotalLength), 0, 0, 0);
636 1.235 maxv err = USBD_INVAL;
637 1.235 maxv goto bad;
638 1.235 maxv }
639 1.74 augustss
640 1.210 skrll if (USB_IS_SS(dev->ud_speed)) {
641 1.216 skrll usb_bos_descriptor_t bd;
642 1.216 skrll
643 1.210 skrll /* get short bos desc */
644 1.210 skrll err = usbd_get_bos_desc(dev, index, &bd);
645 1.210 skrll if (!err) {
646 1.210 skrll int blen = UGETW(bd.wTotalLength);
647 1.235 maxv if (blen < USB_BOS_DESCRIPTOR_SIZE) {
648 1.222 khorben DPRINTF("empty bos descriptor", 0, 0, 0, 0);
649 1.222 khorben err = USBD_INVAL;
650 1.222 khorben goto bad;
651 1.222 khorben }
652 1.210 skrll bdp = kmem_alloc(blen, KM_SLEEP);
653 1.210 skrll
654 1.210 skrll /* Get the full desc */
655 1.210 skrll for (i = 0; i < 3; i++) {
656 1.210 skrll err = usbd_get_desc(dev, UDESC_BOS, index, blen,
657 1.210 skrll bdp);
658 1.210 skrll if (!err)
659 1.210 skrll break;
660 1.210 skrll usbd_delay_ms(dev, 200);
661 1.210 skrll }
662 1.210 skrll if (err || bdp->bDescriptorType != UDESC_BOS) {
663 1.221 pgoyette DPRINTF("error %jd or bad desc %jd", err,
664 1.210 skrll bdp->bDescriptorType, 0, 0);
665 1.210 skrll kmem_free(bdp, blen);
666 1.210 skrll bdp = NULL;
667 1.210 skrll }
668 1.210 skrll }
669 1.210 skrll }
670 1.210 skrll dev->ud_bdesc = bdp;
671 1.210 skrll
672 1.142 drochner /*
673 1.142 drochner * Figure out if the device is self or bus powered.
674 1.142 drochner */
675 1.142 drochner #if 0 /* XXX various devices don't report the power state correctly */
676 1.1 augustss selfpowered = 0;
677 1.141 drochner err = usbd_get_device_status(dev, &ds);
678 1.141 drochner if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED))
679 1.141 drochner selfpowered = 1;
680 1.142 drochner #endif
681 1.142 drochner /*
682 1.142 drochner * Use the power state in the configuration we are going
683 1.142 drochner * to set. This doesn't necessarily reflect the actual
684 1.142 drochner * power state of the device; the driver can control this
685 1.142 drochner * by choosing the appropriate configuration.
686 1.142 drochner */
687 1.142 drochner selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED);
688 1.141 drochner
689 1.221 pgoyette DPRINTF("addr %jd cno=%jd attr=%#02jx, selfpowered=%jd",
690 1.210 skrll dev->ud_addr, cdp->bConfigurationValue, cdp->bmAttributes,
691 1.205 skrll selfpowered);
692 1.221 pgoyette DPRINTF("max power=%jd", cdp->bMaxPower * 2, 0, 0, 0);
693 1.74 augustss
694 1.74 augustss /* Check if we have enough power. */
695 1.142 drochner #if 0 /* this is a no-op, see above */
696 1.141 drochner if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) {
697 1.141 drochner if (msg)
698 1.141 drochner printf("%s: device addr %d (config %d): "
699 1.141 drochner "can't set self powered configuration\n",
700 1.210 skrll device_xname(dev->ud_bus->bdev), dev->ud_addr,
701 1.141 drochner cdp->bConfigurationValue);
702 1.141 drochner err = USBD_NO_POWER;
703 1.141 drochner goto bad;
704 1.141 drochner }
705 1.142 drochner #endif
706 1.1 augustss #ifdef USB_DEBUG
707 1.210 skrll if (dev->ud_powersrc == NULL) {
708 1.205 skrll DPRINTF("No power source?", 0, 0, 0, 0);
709 1.141 drochner err = USBD_IOERROR;
710 1.141 drochner goto bad;
711 1.1 augustss }
712 1.1 augustss #endif
713 1.1 augustss power = cdp->bMaxPower * 2;
714 1.210 skrll if (power > dev->ud_powersrc->up_power) {
715 1.221 pgoyette DPRINTF("power exceeded %jd %jd", power,
716 1.221 pgoyette dev->ud_powersrc->up_power, 0, 0);
717 1.1 augustss /* XXX print nicer message. */
718 1.7 augustss if (msg)
719 1.18 augustss printf("%s: device addr %d (config %d) exceeds power "
720 1.18 augustss "budget, %d mA > %d mA\n",
721 1.210 skrll device_xname(dev->ud_bus->ub_usbctl), dev->ud_addr,
722 1.99 augustss cdp->bConfigurationValue,
723 1.210 skrll power, dev->ud_powersrc->up_power);
724 1.53 augustss err = USBD_NO_POWER;
725 1.1 augustss goto bad;
726 1.1 augustss }
727 1.210 skrll dev->ud_power = power;
728 1.210 skrll dev->ud_selfpowered = selfpowered;
729 1.1 augustss
730 1.74 augustss /* Set the actual configuration value. */
731 1.221 pgoyette DPRINTF("set config %jd", cdp->bConfigurationValue, 0, 0, 0);
732 1.53 augustss err = usbd_set_config(dev, cdp->bConfigurationValue);
733 1.53 augustss if (err) {
734 1.221 pgoyette DPRINTF("setting config=%jd failed, error=%jd",
735 1.205 skrll cdp->bConfigurationValue, err, 0, 0);
736 1.1 augustss goto bad;
737 1.1 augustss }
738 1.74 augustss
739 1.74 augustss /* Allocate and fill interface data. */
740 1.1 augustss nifc = cdp->bNumInterface;
741 1.222 khorben if (nifc == 0) {
742 1.222 khorben DPRINTF("no interfaces", 0, 0, 0, 0);
743 1.222 khorben err = USBD_INVAL;
744 1.222 khorben goto bad;
745 1.222 khorben }
746 1.210 skrll dev->ud_ifaces = kmem_alloc(nifc * sizeof(struct usbd_interface),
747 1.210 skrll KM_SLEEP);
748 1.221 pgoyette DPRINTFN(5, "dev=%#jx cdesc=%#jx", (uintptr_t)dev, (uintptr_t)cdp,
749 1.221 pgoyette 0, 0);
750 1.210 skrll dev->ud_cdesc = cdp;
751 1.210 skrll dev->ud_config = cdp->bConfigurationValue;
752 1.12 augustss for (ifcidx = 0; ifcidx < nifc; ifcidx++) {
753 1.53 augustss err = usbd_fill_iface_data(dev, ifcidx, 0);
754 1.53 augustss if (err) {
755 1.12 augustss while (--ifcidx >= 0)
756 1.12 augustss usbd_free_iface_data(dev, ifcidx);
757 1.1 augustss goto bad;
758 1.1 augustss }
759 1.1 augustss }
760 1.1 augustss
761 1.210 skrll return USBD_NORMAL_COMPLETION;
762 1.1 augustss
763 1.1 augustss bad:
764 1.210 skrll kmem_free(cdp, len);
765 1.210 skrll if (bdp != NULL) {
766 1.210 skrll kmem_free(bdp, UGETW(bdp->wTotalLength));
767 1.210 skrll dev->ud_bdesc = NULL;
768 1.210 skrll }
769 1.210 skrll return err;
770 1.1 augustss }
771 1.1 augustss
772 1.1 augustss /* XXX add function for alternate settings */
773 1.1 augustss
774 1.1 augustss usbd_status
775 1.210 skrll usbd_setup_pipe(struct usbd_device *dev, struct usbd_interface *iface,
776 1.210 skrll struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe)
777 1.1 augustss {
778 1.188 jmcneill return usbd_setup_pipe_flags(dev, iface, ep, ival, pipe, 0);
779 1.188 jmcneill }
780 1.188 jmcneill
781 1.188 jmcneill usbd_status
782 1.210 skrll usbd_setup_pipe_flags(struct usbd_device *dev, struct usbd_interface *iface,
783 1.210 skrll struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe, uint8_t flags)
784 1.188 jmcneill {
785 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
786 1.210 skrll struct usbd_pipe *p;
787 1.53 augustss usbd_status err;
788 1.1 augustss
789 1.210 skrll p = kmem_alloc(dev->ud_bus->ub_pipesize, KM_SLEEP);
790 1.221 pgoyette DPRINTFN(1, "dev=%#jx addr=%jd iface=%#jx ep=%#jx",
791 1.221 pgoyette (uintptr_t)dev, dev->ud_addr, (uintptr_t)iface, (uintptr_t)ep);
792 1.221 pgoyette DPRINTFN(1, "pipe=%#jx", (uintptr_t)p, 0, 0, 0);
793 1.210 skrll p->up_dev = dev;
794 1.210 skrll p->up_iface = iface;
795 1.210 skrll p->up_endpoint = ep;
796 1.210 skrll ep->ue_refcnt++;
797 1.210 skrll p->up_intrxfer = NULL;
798 1.210 skrll p->up_running = 0;
799 1.210 skrll p->up_aborting = 0;
800 1.210 skrll p->up_serialise = true;
801 1.210 skrll p->up_repeat = 0;
802 1.210 skrll p->up_interval = ival;
803 1.210 skrll p->up_flags = flags;
804 1.210 skrll SIMPLEQ_INIT(&p->up_queue);
805 1.210 skrll err = dev->ud_bus->ub_methods->ubm_open(p);
806 1.53 augustss if (err) {
807 1.221 pgoyette DPRINTF("endpoint=%#jx failed, error=%jd",
808 1.221 pgoyette (uintptr_t)ep->ue_edesc->bEndpointAddress, err, 0, 0);
809 1.218 skrll kmem_free(p, dev->ud_bus->ub_pipesize);
810 1.210 skrll return err;
811 1.1 augustss }
812 1.210 skrll
813 1.210 skrll KASSERT(p->up_methods->upm_start || p->up_serialise == false);
814 1.210 skrll
815 1.210 skrll usb_init_task(&p->up_async_task, usbd_clear_endpoint_stall_task, p,
816 1.188 jmcneill USB_TASKQ_MPSAFE);
817 1.221 pgoyette DPRINTFN(1, "pipe=%#jx", (uintptr_t)p, 0, 0, 0);
818 1.1 augustss *pipe = p;
819 1.210 skrll return USBD_NORMAL_COMPLETION;
820 1.1 augustss }
821 1.1 augustss
822 1.1 augustss /* Abort the device control pipe. */
823 1.1 augustss void
824 1.210 skrll usbd_kill_pipe(struct usbd_pipe *pipe)
825 1.1 augustss {
826 1.89 augustss usbd_abort_pipe(pipe);
827 1.182 mrg usbd_lock_pipe(pipe);
828 1.210 skrll pipe->up_methods->upm_close(pipe);
829 1.182 mrg usbd_unlock_pipe(pipe);
830 1.226 riastrad usb_rem_task_wait(pipe->up_dev, &pipe->up_async_task, USB_TASKQ_DRIVER,
831 1.226 riastrad NULL);
832 1.210 skrll pipe->up_endpoint->ue_refcnt--;
833 1.210 skrll kmem_free(pipe, pipe->up_dev->ud_bus->ub_pipesize);
834 1.1 augustss }
835 1.1 augustss
836 1.1 augustss int
837 1.210 skrll usbd_getnewaddr(struct usbd_bus *bus)
838 1.1 augustss {
839 1.18 augustss int addr;
840 1.1 augustss
841 1.218 skrll for (addr = 1; addr < USB_MAX_DEVICES; addr++) {
842 1.218 skrll size_t dindex = usb_addr2dindex(addr);
843 1.218 skrll if (bus->ub_devices[dindex] == NULL)
844 1.210 skrll return addr;
845 1.218 skrll }
846 1.210 skrll return -1;
847 1.1 augustss }
848 1.1 augustss
849 1.155 drochner usbd_status
850 1.210 skrll usbd_attach_roothub(device_t parent, struct usbd_device *dev)
851 1.155 drochner {
852 1.155 drochner struct usb_attach_arg uaa;
853 1.210 skrll usb_device_descriptor_t *dd = &dev->ud_ddesc;
854 1.155 drochner device_t dv;
855 1.155 drochner
856 1.210 skrll uaa.uaa_device = dev;
857 1.210 skrll uaa.uaa_usegeneric = 0;
858 1.210 skrll uaa.uaa_port = 0;
859 1.210 skrll uaa.uaa_vendor = UGETW(dd->idVendor);
860 1.210 skrll uaa.uaa_product = UGETW(dd->idProduct);
861 1.210 skrll uaa.uaa_release = UGETW(dd->bcdDevice);
862 1.210 skrll uaa.uaa_class = dd->bDeviceClass;
863 1.210 skrll uaa.uaa_subclass = dd->bDeviceSubClass;
864 1.210 skrll uaa.uaa_proto = dd->bDeviceProtocol;
865 1.155 drochner
866 1.224 mlelstv KERNEL_LOCK(1, curlwp);
867 1.156 drochner dv = config_found_ia(parent, "usbroothubif", &uaa, 0);
868 1.224 mlelstv KERNEL_UNLOCK_ONE(curlwp);
869 1.155 drochner if (dv) {
870 1.210 skrll dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP);
871 1.210 skrll dev->ud_subdevs[0] = dv;
872 1.210 skrll dev->ud_subdevlen = 1;
873 1.155 drochner }
874 1.210 skrll return USBD_NORMAL_COMPLETION;
875 1.155 drochner }
876 1.18 augustss
877 1.204 joerg static void
878 1.210 skrll usbd_serialnumber(device_t dv, struct usbd_device *dev)
879 1.204 joerg {
880 1.207 skrll if (dev->ud_serial) {
881 1.204 joerg prop_dictionary_set_cstring(device_properties(dv),
882 1.207 skrll "serialnumber", dev->ud_serial);
883 1.204 joerg }
884 1.204 joerg }
885 1.204 joerg
886 1.160 drochner static usbd_status
887 1.210 skrll usbd_attachwholedevice(device_t parent, struct usbd_device *dev, int port,
888 1.160 drochner int usegeneric)
889 1.18 augustss {
890 1.18 augustss struct usb_attach_arg uaa;
891 1.210 skrll usb_device_descriptor_t *dd = &dev->ud_ddesc;
892 1.160 drochner device_t dv;
893 1.158 drochner int dlocs[USBDEVIFCF_NLOCS];
894 1.18 augustss
895 1.210 skrll uaa.uaa_device = dev;
896 1.210 skrll uaa.uaa_usegeneric = usegeneric;
897 1.210 skrll uaa.uaa_port = port;
898 1.210 skrll uaa.uaa_vendor = UGETW(dd->idVendor);
899 1.210 skrll uaa.uaa_product = UGETW(dd->idProduct);
900 1.210 skrll uaa.uaa_release = UGETW(dd->bcdDevice);
901 1.210 skrll uaa.uaa_class = dd->bDeviceClass;
902 1.210 skrll uaa.uaa_subclass = dd->bDeviceSubClass;
903 1.210 skrll uaa.uaa_proto = dd->bDeviceProtocol;
904 1.210 skrll
905 1.210 skrll dlocs[USBDEVIFCF_PORT] = uaa.uaa_port;
906 1.210 skrll dlocs[USBDEVIFCF_VENDOR] = uaa.uaa_vendor;
907 1.210 skrll dlocs[USBDEVIFCF_PRODUCT] = uaa.uaa_product;
908 1.210 skrll dlocs[USBDEVIFCF_RELEASE] = uaa.uaa_release;
909 1.158 drochner /* the rest is historical ballast */
910 1.158 drochner dlocs[USBDEVIFCF_CONFIGURATION] = -1;
911 1.158 drochner dlocs[USBDEVIFCF_INTERFACE] = -1;
912 1.158 drochner
913 1.224 mlelstv KERNEL_LOCK(1, curlwp);
914 1.227 mrg config_pending_incr(parent);
915 1.158 drochner dv = config_found_sm_loc(parent, "usbdevif", dlocs, &uaa, usbd_print,
916 1.160 drochner config_stdsubmatch);
917 1.224 mlelstv KERNEL_UNLOCK_ONE(curlwp);
918 1.34 augustss if (dv) {
919 1.210 skrll dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP);
920 1.210 skrll dev->ud_subdevs[0] = dv;
921 1.210 skrll dev->ud_subdevlen = 1;
922 1.210 skrll dev->ud_nifaces_claimed = 1; /* XXX */
923 1.204 joerg usbd_serialnumber(dv, dev);
924 1.34 augustss }
925 1.227 mrg config_pending_decr(parent);
926 1.210 skrll return USBD_NORMAL_COMPLETION;
927 1.160 drochner }
928 1.18 augustss
929 1.160 drochner static usbd_status
930 1.210 skrll usbd_attachinterfaces(device_t parent, struct usbd_device *dev,
931 1.162 kent int port, const int *locators)
932 1.160 drochner {
933 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
934 1.160 drochner struct usbif_attach_arg uiaa;
935 1.162 kent int ilocs[USBIFIFCF_NLOCS];
936 1.210 skrll usb_device_descriptor_t *dd = &dev->ud_ddesc;
937 1.160 drochner int nifaces;
938 1.210 skrll struct usbd_interface **ifaces;
939 1.162 kent int i, j, loc;
940 1.160 drochner device_t dv;
941 1.160 drochner
942 1.210 skrll nifaces = dev->ud_cdesc->bNumInterface;
943 1.210 skrll ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP);
944 1.200 skrll for (i = 0; i < nifaces; i++) {
945 1.210 skrll if (!dev->ud_subdevs[i]) {
946 1.210 skrll ifaces[i] = &dev->ud_ifaces[i];
947 1.200 skrll }
948 1.221 pgoyette DPRINTF("interface %jd %#jx", i, (uintptr_t)ifaces[i], 0, 0);
949 1.200 skrll }
950 1.18 augustss
951 1.210 skrll
952 1.210 skrll uiaa.uiaa_device = dev;
953 1.210 skrll uiaa.uiaa_port = port;
954 1.210 skrll uiaa.uiaa_vendor = UGETW(dd->idVendor);
955 1.210 skrll uiaa.uiaa_product = UGETW(dd->idProduct);
956 1.210 skrll uiaa.uiaa_release = UGETW(dd->bcdDevice);
957 1.210 skrll uiaa.uiaa_configno = dev->ud_cdesc->bConfigurationValue;
958 1.210 skrll uiaa.uiaa_ifaces = ifaces;
959 1.210 skrll uiaa.uiaa_nifaces = nifaces;
960 1.210 skrll ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port;
961 1.210 skrll ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor;
962 1.210 skrll ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product;
963 1.210 skrll ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release;
964 1.210 skrll ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno;
965 1.160 drochner
966 1.160 drochner for (i = 0; i < nifaces; i++) {
967 1.200 skrll if (!ifaces[i]) {
968 1.221 pgoyette DPRINTF("interface %jd claimed", i, 0, 0, 0);
969 1.160 drochner continue; /* interface already claimed */
970 1.200 skrll }
971 1.210 skrll uiaa.uiaa_iface = ifaces[i];
972 1.210 skrll uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass;
973 1.210 skrll uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass;
974 1.210 skrll uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol;
975 1.210 skrll uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber;
976 1.200 skrll
977 1.221 pgoyette DPRINTF("searching for interface %jd...", i, 0, 0, 0);
978 1.221 pgoyette DPRINTF("class %jx subclass %jx proto %jx ifaceno %jd",
979 1.210 skrll uiaa.uiaa_class, uiaa.uiaa_subclass, uiaa.uiaa_proto,
980 1.210 skrll uiaa.uiaa_ifaceno);
981 1.210 skrll ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno;
982 1.162 kent if (locators != NULL) {
983 1.162 kent loc = locators[USBIFIFCF_CONFIGURATION];
984 1.162 kent if (loc != USBIFIFCF_CONFIGURATION_DEFAULT &&
985 1.210 skrll loc != uiaa.uiaa_configno)
986 1.162 kent continue;
987 1.162 kent loc = locators[USBIFIFCF_INTERFACE];
988 1.202 skrll if (loc != USBIFIFCF_INTERFACE_DEFAULT &&
989 1.210 skrll loc != uiaa.uiaa_ifaceno)
990 1.162 kent continue;
991 1.162 kent }
992 1.224 mlelstv KERNEL_LOCK(1, curlwp);
993 1.160 drochner dv = config_found_sm_loc(parent, "usbifif", ilocs, &uiaa,
994 1.160 drochner usbd_ifprint, config_stdsubmatch);
995 1.224 mlelstv KERNEL_UNLOCK_ONE(curlwp);
996 1.160 drochner if (!dv)
997 1.160 drochner continue;
998 1.204 joerg
999 1.204 joerg usbd_serialnumber(dv, dev);
1000 1.204 joerg
1001 1.201 skrll /* claim */
1002 1.201 skrll ifaces[i] = NULL;
1003 1.160 drochner /* account for ifaces claimed by the driver behind our back */
1004 1.160 drochner for (j = 0; j < nifaces; j++) {
1005 1.210 skrll
1006 1.210 skrll if (!ifaces[j] && !dev->ud_subdevs[j]) {
1007 1.221 pgoyette DPRINTF("interface %jd claimed behind our back",
1008 1.210 skrll j, 0, 0, 0);
1009 1.210 skrll dev->ud_subdevs[j] = dv;
1010 1.210 skrll dev->ud_nifaces_claimed++;
1011 1.160 drochner }
1012 1.160 drochner }
1013 1.160 drochner }
1014 1.160 drochner
1015 1.210 skrll kmem_free(ifaces, nifaces * sizeof(*ifaces));
1016 1.210 skrll return USBD_NORMAL_COMPLETION;
1017 1.160 drochner }
1018 1.160 drochner
1019 1.160 drochner usbd_status
1020 1.210 skrll usbd_probe_and_attach(device_t parent, struct usbd_device *dev,
1021 1.164 dyoung int port, int addr)
1022 1.160 drochner {
1023 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
1024 1.210 skrll usb_device_descriptor_t *dd = &dev->ud_ddesc;
1025 1.160 drochner int confi, nifaces;
1026 1.160 drochner usbd_status err;
1027 1.160 drochner
1028 1.160 drochner /* First try with device specific drivers. */
1029 1.205 skrll DPRINTF("trying device specific drivers", 0, 0, 0, 0);
1030 1.160 drochner err = usbd_attachwholedevice(parent, dev, port, 0);
1031 1.210 skrll if (dev->ud_nifaces_claimed || err)
1032 1.210 skrll return err;
1033 1.205 skrll DPRINTF("no device specific driver found", 0, 0, 0, 0);
1034 1.158 drochner
1035 1.221 pgoyette DPRINTF("looping over %jd configurations", dd->bNumConfigurations,
1036 1.205 skrll 0, 0, 0);
1037 1.18 augustss for (confi = 0; confi < dd->bNumConfigurations; confi++) {
1038 1.221 pgoyette DPRINTFN(1, "trying config idx=%jd", confi, 0, 0, 0);
1039 1.53 augustss err = usbd_set_config_index(dev, confi, 1);
1040 1.53 augustss if (err) {
1041 1.221 pgoyette DPRINTF("port %jd, set config at addr %jd failed, "
1042 1.205 skrll "error=%d", port, addr, err, 0);
1043 1.18 augustss printf("%s: port %d, set config at addr %d failed\n",
1044 1.164 dyoung device_xname(parent), port, addr);
1045 1.210 skrll return err;
1046 1.18 augustss }
1047 1.210 skrll nifaces = dev->ud_cdesc->bNumInterface;
1048 1.210 skrll dev->ud_subdevs = kmem_zalloc(nifaces * sizeof(device_t),
1049 1.210 skrll KM_SLEEP);
1050 1.210 skrll if (dev->ud_subdevs == NULL)
1051 1.210 skrll return USBD_NOMEM;
1052 1.210 skrll dev->ud_subdevlen = nifaces;
1053 1.52 augustss
1054 1.162 kent err = usbd_attachinterfaces(parent, dev, port, NULL);
1055 1.160 drochner
1056 1.210 skrll if (!dev->ud_nifaces_claimed) {
1057 1.210 skrll kmem_free(dev->ud_subdevs,
1058 1.210 skrll dev->ud_subdevlen * sizeof(device_t));
1059 1.210 skrll dev->ud_subdevs = 0;
1060 1.210 skrll dev->ud_subdevlen = 0;
1061 1.18 augustss }
1062 1.210 skrll if (dev->ud_nifaces_claimed || err)
1063 1.210 skrll return err;
1064 1.18 augustss }
1065 1.21 augustss /* No interfaces were attached in any of the configurations. */
1066 1.34 augustss
1067 1.34 augustss if (dd->bNumConfigurations > 1) /* don't change if only 1 config */
1068 1.18 augustss usbd_set_config_index(dev, 0, 0);
1069 1.18 augustss
1070 1.205 skrll DPRINTF("no interface drivers found", 0, 0, 0, 0);
1071 1.18 augustss
1072 1.18 augustss /* Finally try the generic driver. */
1073 1.160 drochner err = usbd_attachwholedevice(parent, dev, port, 1);
1074 1.18 augustss
1075 1.99 augustss /*
1076 1.18 augustss * The generic attach failed, but leave the device as it is.
1077 1.18 augustss * We just did not find any drivers, that's all. The device is
1078 1.18 augustss * fully operational and not harming anyone.
1079 1.18 augustss */
1080 1.205 skrll DPRINTF("generic attach failed", 0, 0, 0, 0);
1081 1.210 skrll
1082 1.210 skrll return USBD_NORMAL_COMPLETION;
1083 1.18 augustss }
1084 1.18 augustss
1085 1.162 kent /**
1086 1.162 kent * Called from uhub_rescan(). usbd_new_device() for the target dev must be
1087 1.162 kent * called before calling this.
1088 1.162 kent */
1089 1.162 kent usbd_status
1090 1.210 skrll usbd_reattach_device(device_t parent, struct usbd_device *dev,
1091 1.164 dyoung int port, const int *locators)
1092 1.162 kent {
1093 1.162 kent int i, loc;
1094 1.162 kent
1095 1.162 kent if (locators != NULL) {
1096 1.162 kent loc = locators[USBIFIFCF_PORT];
1097 1.162 kent if (loc != USBIFIFCF_PORT_DEFAULT && loc != port)
1098 1.162 kent return USBD_NORMAL_COMPLETION;
1099 1.162 kent loc = locators[USBIFIFCF_VENDOR];
1100 1.162 kent if (loc != USBIFIFCF_VENDOR_DEFAULT &&
1101 1.210 skrll loc != UGETW(dev->ud_ddesc.idVendor))
1102 1.162 kent return USBD_NORMAL_COMPLETION;
1103 1.162 kent loc = locators[USBIFIFCF_PRODUCT];
1104 1.162 kent if (loc != USBIFIFCF_PRODUCT_DEFAULT &&
1105 1.210 skrll loc != UGETW(dev->ud_ddesc.idProduct))
1106 1.162 kent return USBD_NORMAL_COMPLETION;
1107 1.162 kent loc = locators[USBIFIFCF_RELEASE];
1108 1.162 kent if (loc != USBIFIFCF_RELEASE_DEFAULT &&
1109 1.210 skrll loc != UGETW(dev->ud_ddesc.bcdDevice))
1110 1.162 kent return USBD_NORMAL_COMPLETION;
1111 1.162 kent }
1112 1.210 skrll if (dev->ud_subdevlen == 0) {
1113 1.162 kent /* XXX: check USBIFIFCF_CONFIGURATION and
1114 1.162 kent * USBIFIFCF_INTERFACE too */
1115 1.210 skrll return usbd_probe_and_attach(parent, dev, port, dev->ud_addr);
1116 1.210 skrll } else if (dev->ud_subdevlen != dev->ud_cdesc->bNumInterface) {
1117 1.162 kent /* device-specific or generic driver is already attached. */
1118 1.162 kent return USBD_NORMAL_COMPLETION;
1119 1.162 kent }
1120 1.162 kent /* Does the device have unconfigured interfaces? */
1121 1.210 skrll for (i = 0; i < dev->ud_subdevlen; i++) {
1122 1.210 skrll if (dev->ud_subdevs[i] == NULL) {
1123 1.162 kent break;
1124 1.162 kent }
1125 1.162 kent }
1126 1.210 skrll if (i >= dev->ud_subdevlen)
1127 1.162 kent return USBD_NORMAL_COMPLETION;
1128 1.162 kent return usbd_attachinterfaces(parent, dev, port, locators);
1129 1.162 kent }
1130 1.18 augustss
1131 1.1 augustss /*
1132 1.172 drochner * Get the first 8 bytes of the device descriptor.
1133 1.172 drochner * Do as Windows does: try to read 64 bytes -- there are devices which
1134 1.172 drochner * recognize the initial descriptor fetch (before the control endpoint's
1135 1.172 drochner * MaxPacketSize is known by the host) by exactly this length.
1136 1.172 drochner */
1137 1.193 jakllsch usbd_status
1138 1.210 skrll usbd_get_initial_ddesc(struct usbd_device *dev, usb_device_descriptor_t *desc)
1139 1.172 drochner {
1140 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
1141 1.172 drochner usb_device_request_t req;
1142 1.172 drochner char buf[64];
1143 1.172 drochner int res, actlen;
1144 1.172 drochner
1145 1.221 pgoyette DPRINTFN(5, "dev %#jx", (uintptr_t)dev, 0, 0, 0);
1146 1.210 skrll
1147 1.172 drochner req.bmRequestType = UT_READ_DEVICE;
1148 1.172 drochner req.bRequest = UR_GET_DESCRIPTOR;
1149 1.172 drochner USETW2(req.wValue, UDESC_DEVICE, 0);
1150 1.172 drochner USETW(req.wIndex, 0);
1151 1.172 drochner USETW(req.wLength, 64);
1152 1.172 drochner res = usbd_do_request_flags(dev, &req, buf, USBD_SHORT_XFER_OK,
1153 1.172 drochner &actlen, USBD_DEFAULT_TIMEOUT);
1154 1.172 drochner if (res)
1155 1.172 drochner return res;
1156 1.172 drochner if (actlen < 8)
1157 1.172 drochner return USBD_SHORT_XFER;
1158 1.172 drochner memcpy(desc, buf, 8);
1159 1.172 drochner return USBD_NORMAL_COMPLETION;
1160 1.172 drochner }
1161 1.172 drochner
1162 1.172 drochner /*
1163 1.1 augustss * Called when a new device has been put in the powered state,
1164 1.1 augustss * but not yet in the addressed state.
1165 1.1 augustss * Get initial descriptor, set the address, get full descriptor,
1166 1.1 augustss * and attach a driver.
1167 1.1 augustss */
1168 1.1 augustss usbd_status
1169 1.218 skrll usbd_new_device(device_t parent, struct usbd_bus *bus, int depth, int speed,
1170 1.218 skrll int port, struct usbd_port *up)
1171 1.1 augustss {
1172 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
1173 1.210 skrll struct usbd_device *dev, *adev;
1174 1.94 augustss struct usbd_device *hub;
1175 1.18 augustss usb_device_descriptor_t *dd;
1176 1.107 augustss usb_port_status_t ps;
1177 1.53 augustss usbd_status err;
1178 1.1 augustss int addr;
1179 1.18 augustss int i;
1180 1.120 augustss int p;
1181 1.1 augustss
1182 1.221 pgoyette DPRINTF("bus=%#jx port=%jd depth=%jd speed=%jd",
1183 1.221 pgoyette (uintptr_t)bus, port, depth, speed);
1184 1.193 jakllsch
1185 1.210 skrll if (bus->ub_methods->ubm_newdev != NULL)
1186 1.210 skrll return (bus->ub_methods->ubm_newdev)(parent, bus, depth, speed,
1187 1.193 jakllsch port, up);
1188 1.193 jakllsch
1189 1.1 augustss addr = usbd_getnewaddr(bus);
1190 1.1 augustss if (addr < 0) {
1191 1.99 augustss printf("%s: No free USB addresses, new device ignored.\n",
1192 1.210 skrll device_xname(bus->ub_usbctl));
1193 1.210 skrll return USBD_NO_ADDR;
1194 1.1 augustss }
1195 1.1 augustss
1196 1.210 skrll dev = kmem_zalloc(sizeof(*dev), KM_SLEEP);
1197 1.210 skrll dev->ud_bus = bus;
1198 1.1 augustss
1199 1.1 augustss /* Set up default endpoint handle. */
1200 1.210 skrll dev->ud_ep0.ue_edesc = &dev->ud_ep0desc;
1201 1.1 augustss
1202 1.1 augustss /* Set up default endpoint descriptor. */
1203 1.210 skrll dev->ud_ep0desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE;
1204 1.210 skrll dev->ud_ep0desc.bDescriptorType = UDESC_ENDPOINT;
1205 1.210 skrll dev->ud_ep0desc.bEndpointAddress = USB_CONTROL_ENDPOINT;
1206 1.210 skrll dev->ud_ep0desc.bmAttributes = UE_CONTROL;
1207 1.172 drochner /*
1208 1.172 drochner * temporary, will be fixed after first descriptor fetch
1209 1.172 drochner * (which uses 64 bytes so it shouldn't be less),
1210 1.172 drochner * highspeed devices must support 64 byte packets anyway
1211 1.172 drochner */
1212 1.190 skrll if (speed == USB_SPEED_HIGH || speed == USB_SPEED_FULL)
1213 1.210 skrll USETW(dev->ud_ep0desc.wMaxPacketSize, 64);
1214 1.190 skrll else
1215 1.210 skrll USETW(dev->ud_ep0desc.wMaxPacketSize, USB_MAX_IPACKET);
1216 1.190 skrll
1217 1.210 skrll dev->ud_ep0desc.bInterval = 0;
1218 1.1 augustss
1219 1.203 skrll /* doesn't matter, just don't leave it uninitialized */
1220 1.210 skrll dev->ud_ep0.ue_toggle = 0;
1221 1.179 drochner
1222 1.210 skrll dev->ud_quirks = &usbd_no_quirk;
1223 1.210 skrll dev->ud_addr = USB_START_ADDR;
1224 1.210 skrll dev->ud_ddesc.bMaxPacketSize = 0;
1225 1.210 skrll dev->ud_depth = depth;
1226 1.210 skrll dev->ud_powersrc = up;
1227 1.210 skrll dev->ud_myhub = up->up_parent;
1228 1.120 augustss
1229 1.210 skrll up->up_dev = dev;
1230 1.120 augustss
1231 1.120 augustss /* Locate port on upstream high speed hub */
1232 1.210 skrll for (adev = dev, hub = up->up_parent;
1233 1.210 skrll hub != NULL && hub->ud_speed != USB_SPEED_HIGH;
1234 1.210 skrll adev = hub, hub = hub->ud_myhub)
1235 1.94 augustss ;
1236 1.120 augustss if (hub) {
1237 1.228 manu for (p = 1; p <= hub->ud_hub->uh_hubdesc.bNbrPorts; p++) {
1238 1.228 manu if (hub->ud_hub->uh_ports[p - 1].up_dev == adev) {
1239 1.228 manu dev->ud_myhsport =
1240 1.228 manu &hub->ud_hub->uh_ports[p - 1];
1241 1.120 augustss goto found;
1242 1.120 augustss }
1243 1.120 augustss }
1244 1.199 skrll panic("usbd_new_device: cannot find HS port");
1245 1.120 augustss found:
1246 1.221 pgoyette DPRINTFN(1, "high speed port %jd", p, 0, 0, 0);
1247 1.120 augustss } else {
1248 1.210 skrll dev->ud_myhsport = NULL;
1249 1.120 augustss }
1250 1.210 skrll dev->ud_speed = speed;
1251 1.210 skrll dev->ud_langid = USBD_NOLANG;
1252 1.210 skrll dev->ud_cookie.cookie = ++usb_cookie_no;
1253 1.1 augustss
1254 1.67 soren /* Establish the default pipe. */
1255 1.210 skrll err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL,
1256 1.218 skrll &dev->ud_pipe0, USBD_MPSAFE);
1257 1.53 augustss if (err) {
1258 1.18 augustss usbd_remove_device(dev, up);
1259 1.210 skrll return err;
1260 1.18 augustss }
1261 1.1 augustss
1262 1.210 skrll dd = &dev->ud_ddesc;
1263 1.6 augustss /* Try a few times in case the device is slow (i.e. outside specs.) */
1264 1.107 augustss for (i = 0; i < 10; i++) {
1265 1.6 augustss /* Get the first 8 bytes of the device descriptor. */
1266 1.172 drochner err = usbd_get_initial_ddesc(dev, dd);
1267 1.53 augustss if (!err)
1268 1.6 augustss break;
1269 1.218 skrll /*
1270 1.218 skrll * The root hub can never fail to give the initial descriptor,
1271 1.218 skrll * but assert it just in case.
1272 1.218 skrll */
1273 1.218 skrll KASSERT(up->up_parent);
1274 1.23 augustss usbd_delay_ms(dev, 200);
1275 1.107 augustss if ((i & 3) == 3)
1276 1.210 skrll usbd_reset_port(up->up_parent, port, &ps);
1277 1.6 augustss }
1278 1.53 augustss if (err) {
1279 1.221 pgoyette DPRINTF("addr=%jd, getting first desc failed: %jd", addr, err,
1280 1.205 skrll 0, 0);
1281 1.18 augustss usbd_remove_device(dev, up);
1282 1.210 skrll return err;
1283 1.95 augustss }
1284 1.95 augustss
1285 1.174 drochner /* Windows resets the port here, do likewise */
1286 1.210 skrll if (up->up_parent)
1287 1.210 skrll usbd_reset_port(up->up_parent, port, &ps);
1288 1.174 drochner
1289 1.95 augustss if (speed == USB_SPEED_HIGH) {
1290 1.95 augustss /* Max packet size must be 64 (sec 5.5.3). */
1291 1.95 augustss if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) {
1292 1.95 augustss #ifdef DIAGNOSTIC
1293 1.165 pooka printf("usbd_new_device: addr=%d bad max packet "
1294 1.165 pooka "size=%d. adjusting to %d.\n",
1295 1.165 pooka addr, dd->bMaxPacketSize, USB_2_MAX_CTRL_PACKET);
1296 1.95 augustss #endif
1297 1.95 augustss dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET;
1298 1.95 augustss }
1299 1.18 augustss }
1300 1.18 augustss
1301 1.221 pgoyette DPRINTF("adding unit addr=%jd, rev=%02jx, class=%jd, subclass=%jd",
1302 1.221 pgoyette addr, UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass);
1303 1.221 pgoyette DPRINTF("protocol=%jd, maxpacket=%jd, len=%jd, speed=%jd",
1304 1.210 skrll dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, dev->ud_speed);
1305 1.39 augustss
1306 1.18 augustss if (dd->bDescriptorType != UDESC_DEVICE) {
1307 1.18 augustss /* Illegal device descriptor */
1308 1.221 pgoyette DPRINTF("illegal descriptor %jd", dd->bDescriptorType, 0, 0, 0);
1309 1.18 augustss usbd_remove_device(dev, up);
1310 1.210 skrll return USBD_INVAL;
1311 1.1 augustss }
1312 1.1 augustss
1313 1.39 augustss if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) {
1314 1.221 pgoyette DPRINTF("bad length %jd", dd->bLength, 0, 0, 0);
1315 1.39 augustss usbd_remove_device(dev, up);
1316 1.210 skrll return USBD_INVAL;
1317 1.39 augustss }
1318 1.4 augustss
1319 1.210 skrll USETW(dev->ud_ep0desc.wMaxPacketSize, dd->bMaxPacketSize);
1320 1.1 augustss
1321 1.196 skrll /* Re-establish the default pipe with the new MPS. */
1322 1.210 skrll usbd_kill_pipe(dev->ud_pipe0);
1323 1.210 skrll err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL,
1324 1.210 skrll &dev->ud_pipe0, USBD_MPSAFE);
1325 1.196 skrll if (err) {
1326 1.221 pgoyette DPRINTF("setup default pipe failed err %jd", err, 0, 0, 0);
1327 1.196 skrll usbd_remove_device(dev, up);
1328 1.196 skrll return err;
1329 1.196 skrll }
1330 1.196 skrll
1331 1.159 jmcneill /* Set the address */
1332 1.221 pgoyette DPRINTFN(5, "setting device address=%jd", addr, 0, 0, 0);
1333 1.159 jmcneill err = usbd_set_address(dev, addr);
1334 1.159 jmcneill if (err) {
1335 1.221 pgoyette DPRINTF("set address %jd failed, err = %jd", addr, err, 0, 0);
1336 1.159 jmcneill err = USBD_SET_ADDR_FAILED;
1337 1.159 jmcneill usbd_remove_device(dev, up);
1338 1.159 jmcneill return err;
1339 1.159 jmcneill }
1340 1.159 jmcneill
1341 1.159 jmcneill /* Allow device time to set new address */
1342 1.159 jmcneill usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE);
1343 1.210 skrll dev->ud_addr = addr; /* new device address now */
1344 1.218 skrll bus->ub_devices[usb_addr2dindex(addr)] = dev;
1345 1.159 jmcneill
1346 1.159 jmcneill /* Re-establish the default pipe with the new address. */
1347 1.210 skrll usbd_kill_pipe(dev->ud_pipe0);
1348 1.210 skrll err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL,
1349 1.210 skrll &dev->ud_pipe0, USBD_MPSAFE);
1350 1.159 jmcneill if (err) {
1351 1.221 pgoyette DPRINTF("setup default pipe failed, err = %jd", err, 0, 0, 0);
1352 1.159 jmcneill usbd_remove_device(dev, up);
1353 1.159 jmcneill return err;
1354 1.159 jmcneill }
1355 1.159 jmcneill
1356 1.192 skrll err = usbd_reload_device_desc(dev);
1357 1.192 skrll if (err) {
1358 1.221 pgoyette DPRINTF("addr=%jd, getting full desc failed, err = %jd", addr,
1359 1.205 skrll err, 0, 0);
1360 1.192 skrll usbd_remove_device(dev, up);
1361 1.210 skrll return err;
1362 1.192 skrll }
1363 1.192 skrll
1364 1.1 augustss /* Assume 100mA bus powered for now. Changed when configured. */
1365 1.210 skrll dev->ud_power = USB_MIN_POWER;
1366 1.210 skrll dev->ud_selfpowered = 0;
1367 1.1 augustss
1368 1.221 pgoyette DPRINTF("new dev (addr %jd), dev=%#jx, parent=%#jx",
1369 1.221 pgoyette addr, (uintptr_t)dev, (uintptr_t)parent, 0);
1370 1.99 augustss
1371 1.207 skrll usbd_get_device_strings(dev);
1372 1.207 skrll
1373 1.65 augustss usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev);
1374 1.1 augustss
1375 1.155 drochner if (port == 0) { /* root hub */
1376 1.155 drochner KASSERT(addr == 1);
1377 1.155 drochner usbd_attach_roothub(parent, dev);
1378 1.210 skrll return USBD_NORMAL_COMPLETION;
1379 1.155 drochner }
1380 1.155 drochner
1381 1.53 augustss err = usbd_probe_and_attach(parent, dev, port, addr);
1382 1.53 augustss if (err) {
1383 1.18 augustss usbd_remove_device(dev, up);
1384 1.210 skrll return err;
1385 1.164 dyoung }
1386 1.65 augustss
1387 1.210 skrll return USBD_NORMAL_COMPLETION;
1388 1.62 augustss }
1389 1.62 augustss
1390 1.62 augustss usbd_status
1391 1.210 skrll usbd_reload_device_desc(struct usbd_device *dev)
1392 1.62 augustss {
1393 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
1394 1.210 skrll usb_device_descriptor_t *udd = &dev->ud_ddesc;
1395 1.62 augustss usbd_status err;
1396 1.62 augustss
1397 1.62 augustss /* Get the full device descriptor. */
1398 1.210 skrll err = usbd_get_device_desc(dev, udd);
1399 1.62 augustss if (err)
1400 1.210 skrll return err;
1401 1.210 skrll
1402 1.221 pgoyette DPRINTFN(15, "bLength %5ju", udd->bLength, 0, 0, 0);
1403 1.221 pgoyette DPRINTFN(15, "bDescriptorType %5ju", udd->bDescriptorType, 0, 0, 0);
1404 1.221 pgoyette DPRINTFN(15, "bcdUSB %2jx.%02jx", udd->bcdUSB[1],
1405 1.210 skrll udd->bcdUSB[0], 0, 0);
1406 1.221 pgoyette DPRINTFN(15, "bDeviceClass %5ju", udd->bDeviceClass, 0, 0, 0);
1407 1.221 pgoyette DPRINTFN(15, "bDeviceSubClass %5ju", udd->bDeviceSubClass, 0, 0, 0);
1408 1.221 pgoyette DPRINTFN(15, "bDeviceProtocol %5ju", udd->bDeviceProtocol, 0, 0, 0);
1409 1.221 pgoyette DPRINTFN(15, "bMaxPacketSize0 %5ju", udd->bMaxPacketSize, 0, 0, 0);
1410 1.221 pgoyette DPRINTFN(15, "idVendor %#02jx %#02jx",
1411 1.221 pgoyette udd->idVendor[0],
1412 1.221 pgoyette udd->idVendor[1], 0, 0);
1413 1.221 pgoyette DPRINTFN(15, "idProduct %#02jx %#02jx",
1414 1.221 pgoyette udd->idProduct[0],
1415 1.221 pgoyette udd->idProduct[1], 0, 0);
1416 1.221 pgoyette DPRINTFN(15, "bcdDevice %2jx.%02jx", udd->bcdDevice[1],
1417 1.210 skrll udd->bcdDevice[0], 0, 0);
1418 1.221 pgoyette DPRINTFN(15, "iManufacturer %5ju", udd->iManufacturer, 0, 0, 0);
1419 1.221 pgoyette DPRINTFN(15, "iProduct %5ju", udd->iProduct, 0, 0, 0);
1420 1.221 pgoyette DPRINTFN(15, "iSerial %5ju", udd->iSerialNumber, 0, 0, 0);
1421 1.221 pgoyette DPRINTFN(15, "bNumConfigurations %5ju", udd->bNumConfigurations, 0, 0,
1422 1.210 skrll 0);
1423 1.62 augustss
1424 1.62 augustss /* Figure out what's wrong with this device. */
1425 1.210 skrll dev->ud_quirks = usbd_find_quirk(udd);
1426 1.62 augustss
1427 1.210 skrll return USBD_NORMAL_COMPLETION;
1428 1.18 augustss }
1429 1.1 augustss
1430 1.18 augustss void
1431 1.210 skrll usbd_remove_device(struct usbd_device *dev, struct usbd_port *up)
1432 1.18 augustss {
1433 1.182 mrg
1434 1.205 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
1435 1.205 skrll
1436 1.221 pgoyette DPRINTF("dev %#jx up %#jx", (uintptr_t)dev, (uintptr_t)up, 0, 0);
1437 1.99 augustss
1438 1.210 skrll if (dev->ud_pipe0 != NULL)
1439 1.210 skrll usbd_kill_pipe(dev->ud_pipe0);
1440 1.210 skrll up->up_dev = NULL;
1441 1.218 skrll dev->ud_bus->ub_devices[usb_addr2dindex(dev->ud_addr)] = NULL;
1442 1.1 augustss
1443 1.210 skrll kmem_free(dev, sizeof(*dev));
1444 1.1 augustss }
1445 1.1 augustss
1446 1.1 augustss int
1447 1.78 augustss usbd_print(void *aux, const char *pnp)
1448 1.1 augustss {
1449 1.1 augustss struct usb_attach_arg *uaa = aux;
1450 1.1 augustss
1451 1.1 augustss if (pnp) {
1452 1.134 christos #define USB_DEVINFO 1024
1453 1.134 christos char *devinfo;
1454 1.210 skrll if (!uaa->uaa_usegeneric)
1455 1.210 skrll return QUIET;
1456 1.210 skrll devinfo = kmem_alloc(USB_DEVINFO, KM_SLEEP);
1457 1.210 skrll usbd_devinfo(uaa->uaa_device, 1, devinfo, USB_DEVINFO);
1458 1.101 thorpej aprint_normal("%s, %s", devinfo, pnp);
1459 1.210 skrll kmem_free(devinfo, USB_DEVINFO);
1460 1.1 augustss }
1461 1.210 skrll aprint_normal(" port %d", uaa->uaa_port);
1462 1.144 drochner #if 0
1463 1.144 drochner /*
1464 1.144 drochner * It gets very crowded with these locators on the attach line.
1465 1.144 drochner * They are not really needed since they are printed in the clear
1466 1.144 drochner * by each driver.
1467 1.144 drochner */
1468 1.210 skrll if (uaa->uaa_vendor != UHUB_UNK_VENDOR)
1469 1.219 christos aprint_normal(" vendor %#04x", uaa->uaa_vendor);
1470 1.210 skrll if (uaa->uaa_product != UHUB_UNK_PRODUCT)
1471 1.219 christos aprint_normal(" product %#04x", uaa->uaa_product);
1472 1.210 skrll if (uaa->uaa_release != UHUB_UNK_RELEASE)
1473 1.219 christos aprint_normal(" release %#04x", uaa->uaa_release);
1474 1.144 drochner #endif
1475 1.210 skrll return UNCONF;
1476 1.144 drochner }
1477 1.144 drochner
1478 1.144 drochner int
1479 1.144 drochner usbd_ifprint(void *aux, const char *pnp)
1480 1.144 drochner {
1481 1.210 skrll struct usbif_attach_arg *uiaa = aux;
1482 1.144 drochner
1483 1.144 drochner if (pnp)
1484 1.210 skrll return QUIET;
1485 1.210 skrll aprint_normal(" port %d", uiaa->uiaa_port);
1486 1.210 skrll aprint_normal(" configuration %d", uiaa->uiaa_configno);
1487 1.210 skrll aprint_normal(" interface %d", uiaa->uiaa_ifaceno);
1488 1.32 augustss #if 0
1489 1.99 augustss /*
1490 1.32 augustss * It gets very crowded with these locators on the attach line.
1491 1.32 augustss * They are not really needed since they are printed in the clear
1492 1.32 augustss * by each driver.
1493 1.32 augustss */
1494 1.210 skrll if (uaa->uaa_vendor != UHUB_UNK_VENDOR)
1495 1.219 christos aprint_normal(" vendor %#04x", uaa->uaa_vendor);
1496 1.210 skrll if (uaa->uaa_product != UHUB_UNK_PRODUCT)
1497 1.219 christos aprint_normal(" product %#04x", uaa->uaa_product);
1498 1.210 skrll if (uaa->uaa_release != UHUB_UNK_RELEASE)
1499 1.219 christos aprint_normal(" release %#04x", uaa->uaa_release);
1500 1.32 augustss #endif
1501 1.210 skrll return UNCONF;
1502 1.1 augustss }
1503 1.1 augustss
1504 1.13 augustss void
1505 1.210 skrll usbd_fill_deviceinfo(struct usbd_device *dev, struct usb_device_info *di,
1506 1.82 augustss int usedev)
1507 1.13 augustss {
1508 1.13 augustss struct usbd_port *p;
1509 1.214 skrll int i, j, err;
1510 1.13 augustss
1511 1.210 skrll di->udi_bus = device_unit(dev->ud_bus->ub_usbctl);
1512 1.210 skrll di->udi_addr = dev->ud_addr;
1513 1.210 skrll di->udi_cookie = dev->ud_cookie;
1514 1.175 christos usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor),
1515 1.175 christos di->udi_product, sizeof(di->udi_product), usedev, 1);
1516 1.113 itojun usbd_printBCD(di->udi_release, sizeof(di->udi_release),
1517 1.210 skrll UGETW(dev->ud_ddesc.bcdDevice));
1518 1.207 skrll if (usedev) {
1519 1.207 skrll usbd_status uerr = usbd_get_string(dev,
1520 1.210 skrll dev->ud_ddesc.iSerialNumber, di->udi_serial);
1521 1.207 skrll if (uerr != USBD_NORMAL_COMPLETION) {
1522 1.207 skrll di->udi_serial[0] = '\0';
1523 1.207 skrll } else {
1524 1.207 skrll usbd_trim_spaces(di->udi_serial);
1525 1.207 skrll }
1526 1.207 skrll } else {
1527 1.207 skrll di->udi_serial[0] = '\0';
1528 1.207 skrll if (dev->ud_serial) {
1529 1.207 skrll strlcpy(di->udi_serial, dev->ud_serial,
1530 1.207 skrll sizeof(di->udi_serial));
1531 1.207 skrll }
1532 1.207 skrll }
1533 1.65 augustss
1534 1.210 skrll di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor);
1535 1.210 skrll di->udi_productNo = UGETW(dev->ud_ddesc.idProduct);
1536 1.210 skrll di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice);
1537 1.210 skrll di->udi_class = dev->ud_ddesc.bDeviceClass;
1538 1.210 skrll di->udi_subclass = dev->ud_ddesc.bDeviceSubClass;
1539 1.210 skrll di->udi_protocol = dev->ud_ddesc.bDeviceProtocol;
1540 1.210 skrll di->udi_config = dev->ud_config;
1541 1.210 skrll di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power;
1542 1.210 skrll di->udi_speed = dev->ud_speed;
1543 1.210 skrll
1544 1.210 skrll if (dev->ud_subdevlen > 0) {
1545 1.210 skrll for (i = 0, j = 0; i < dev->ud_subdevlen &&
1546 1.155 drochner j < USB_MAX_DEVNAMES; i++) {
1547 1.210 skrll if (!dev->ud_subdevs[i])
1548 1.155 drochner continue;
1549 1.164 dyoung strncpy(di->udi_devnames[j],
1550 1.210 skrll device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN);
1551 1.155 drochner di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0';
1552 1.155 drochner j++;
1553 1.164 dyoung }
1554 1.164 dyoung } else {
1555 1.164 dyoung j = 0;
1556 1.164 dyoung }
1557 1.164 dyoung for (/* j is set */; j < USB_MAX_DEVNAMES; j++)
1558 1.164 dyoung di->udi_devnames[j][0] = 0; /* empty */
1559 1.65 augustss
1560 1.213 skrll if (!dev->ud_hub) {
1561 1.213 skrll di->udi_nports = 0;
1562 1.213 skrll return;
1563 1.213 skrll }
1564 1.213 skrll
1565 1.215 skrll const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts;
1566 1.228 manu for (i = 1; i <= __arraycount(di->udi_ports) && i <= nports; i++) {
1567 1.228 manu p = &dev->ud_hub->uh_ports[i - 1];
1568 1.213 skrll if (p->up_dev)
1569 1.213 skrll err = p->up_dev->ud_addr;
1570 1.213 skrll else {
1571 1.218 skrll const int s = UGETW(p->up_status.wPortStatus);
1572 1.218 skrll const bool sshub_p = USB_IS_SS(dev->ud_speed);
1573 1.213 skrll if (s & UPS_PORT_ENABLED)
1574 1.213 skrll err = USB_PORT_ENABLED;
1575 1.213 skrll else if (s & UPS_SUSPEND)
1576 1.213 skrll err = USB_PORT_SUSPENDED;
1577 1.213 skrll /*
1578 1.213 skrll * Note: UPS_PORT_POWER_SS is available only
1579 1.213 skrll * on 3.x, and UPS_PORT_POWER is available
1580 1.213 skrll * only on 2.0 or 1.1.
1581 1.213 skrll */
1582 1.218 skrll else if (sshub_p && (s & UPS_PORT_POWER_SS))
1583 1.213 skrll err = USB_PORT_POWERED;
1584 1.218 skrll else if (!sshub_p && (s & UPS_PORT_POWER))
1585 1.213 skrll err = USB_PORT_POWERED;
1586 1.213 skrll else
1587 1.213 skrll err = USB_PORT_DISABLED;
1588 1.13 augustss }
1589 1.228 manu di->udi_ports[i - 1] = err;
1590 1.213 skrll }
1591 1.215 skrll di->udi_nports = nports;
1592 1.34 augustss }
1593 1.34 augustss
1594 1.34 augustss void
1595 1.210 skrll usb_free_device(struct usbd_device *dev)
1596 1.34 augustss {
1597 1.34 augustss int ifcidx, nifc;
1598 1.34 augustss
1599 1.210 skrll if (dev->ud_pipe0 != NULL)
1600 1.210 skrll usbd_kill_pipe(dev->ud_pipe0);
1601 1.210 skrll if (dev->ud_ifaces != NULL) {
1602 1.210 skrll nifc = dev->ud_cdesc->bNumInterface;
1603 1.34 augustss for (ifcidx = 0; ifcidx < nifc; ifcidx++)
1604 1.34 augustss usbd_free_iface_data(dev, ifcidx);
1605 1.210 skrll kmem_free(dev->ud_ifaces,
1606 1.210 skrll nifc * sizeof(struct usbd_interface));
1607 1.34 augustss }
1608 1.210 skrll if (dev->ud_cdesc != NULL)
1609 1.210 skrll kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength));
1610 1.210 skrll if (dev->ud_bdesc != NULL)
1611 1.210 skrll kmem_free(dev->ud_bdesc, UGETW(dev->ud_bdesc->wTotalLength));
1612 1.210 skrll if (dev->ud_subdevlen > 0) {
1613 1.210 skrll kmem_free(dev->ud_subdevs,
1614 1.210 skrll dev->ud_subdevlen * sizeof(device_t));
1615 1.210 skrll dev->ud_subdevlen = 0;
1616 1.155 drochner }
1617 1.207 skrll if (dev->ud_vendor) {
1618 1.207 skrll kmem_free(dev->ud_vendor, USB_MAX_ENCODED_STRING_LEN);
1619 1.207 skrll }
1620 1.207 skrll if (dev->ud_product) {
1621 1.207 skrll kmem_free(dev->ud_product, USB_MAX_ENCODED_STRING_LEN);
1622 1.207 skrll }
1623 1.207 skrll if (dev->ud_serial) {
1624 1.207 skrll kmem_free(dev->ud_serial, USB_MAX_ENCODED_STRING_LEN);
1625 1.207 skrll }
1626 1.210 skrll kmem_free(dev, sizeof(*dev));
1627 1.1 augustss }
1628 1.47 augustss
1629 1.47 augustss /*
1630 1.47 augustss * The general mechanism for detaching drivers works as follows: Each
1631 1.47 augustss * driver is responsible for maintaining a reference count on the
1632 1.47 augustss * number of outstanding references to its softc (e.g. from
1633 1.47 augustss * processing hanging in a read or write). The detach method of the
1634 1.47 augustss * driver decrements this counter and flags in the softc that the
1635 1.47 augustss * driver is dying and then wakes any sleepers. It then sleeps on the
1636 1.47 augustss * softc. Each place that can sleep must maintain the reference
1637 1.47 augustss * count. When the reference count drops to -1 (0 is the normal value
1638 1.223 khorben * of the reference count) then a wakeup on the softc is performed
1639 1.47 augustss * signaling to the detach waiter that all references are gone.
1640 1.47 augustss */
1641 1.47 augustss
1642 1.47 augustss /*
1643 1.47 augustss * Called from process context when we discover that a port has
1644 1.47 augustss * been disconnected.
1645 1.47 augustss */
1646 1.167 dyoung int
1647 1.167 dyoung usb_disconnect_port(struct usbd_port *up, device_t parent, int flags)
1648 1.47 augustss {
1649 1.210 skrll USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
1650 1.210 skrll struct usbd_device *dev = up->up_dev;
1651 1.167 dyoung device_t subdev;
1652 1.167 dyoung char subdevname[16];
1653 1.164 dyoung const char *hubname = device_xname(parent);
1654 1.167 dyoung int i, rc;
1655 1.47 augustss
1656 1.221 pgoyette DPRINTFN(3, "up=%#jx dev=%#jx port=%jd", (uintptr_t)up, (uintptr_t)dev,
1657 1.221 pgoyette up->up_portno, 0);
1658 1.48 augustss
1659 1.167 dyoung if (dev == NULL) {
1660 1.167 dyoung return 0;
1661 1.48 augustss }
1662 1.47 augustss
1663 1.210 skrll if (dev->ud_subdevlen > 0) {
1664 1.205 skrll DPRINTFN(3, "disconnect subdevs", 0, 0, 0, 0);
1665 1.210 skrll for (i = 0; i < dev->ud_subdevlen; i++) {
1666 1.210 skrll if ((subdev = dev->ud_subdevs[i]) == NULL)
1667 1.155 drochner continue;
1668 1.167 dyoung strlcpy(subdevname, device_xname(subdev),
1669 1.167 dyoung sizeof(subdevname));
1670 1.224 mlelstv KERNEL_LOCK(1, curlwp);
1671 1.224 mlelstv rc = config_detach(subdev, flags);
1672 1.224 mlelstv KERNEL_UNLOCK_ONE(curlwp);
1673 1.224 mlelstv if (rc != 0)
1674 1.167 dyoung return rc;
1675 1.167 dyoung printf("%s: at %s", subdevname, hubname);
1676 1.210 skrll if (up->up_portno != 0)
1677 1.210 skrll printf(" port %d", up->up_portno);
1678 1.210 skrll printf(" (addr %d) disconnected\n", dev->ud_addr);
1679 1.47 augustss }
1680 1.210 skrll KASSERT(!dev->ud_nifaces_claimed);
1681 1.47 augustss }
1682 1.47 augustss
1683 1.218 skrll mutex_enter(dev->ud_bus->ub_lock);
1684 1.218 skrll dev->ud_bus->ub_devices[usb_addr2dindex(dev->ud_addr)] = NULL;
1685 1.218 skrll up->up_dev = NULL;
1686 1.218 skrll mutex_exit(dev->ud_bus->ub_lock);
1687 1.218 skrll
1688 1.65 augustss usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev);
1689 1.218 skrll
1690 1.47 augustss usb_free_device(dev);
1691 1.218 skrll
1692 1.167 dyoung return 0;
1693 1.47 augustss }
1694