File: | dev/usb/ugen.c |
Warning: | line 1212, column 19 The left operand of '==' is a garbage value |
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1 | /* $OpenBSD: ugen.c,v 1.115 2021/02/05 08:17:22 mglocker Exp $ */ | |||
2 | /* $NetBSD: ugen.c,v 1.63 2002/11/26 18:49:48 christos Exp $ */ | |||
3 | /* $FreeBSD: src/sys/dev/usb/ugen.c,v 1.26 1999/11/17 22:33:41 n_hibma Exp $ */ | |||
4 | ||||
5 | /* | |||
6 | * Copyright (c) 1998 The NetBSD Foundation, Inc. | |||
7 | * All rights reserved. | |||
8 | * | |||
9 | * This code is derived from software contributed to The NetBSD Foundation | |||
10 | * by Lennart Augustsson (lennart@augustsson.net) at | |||
11 | * Carlstedt Research & Technology. | |||
12 | * | |||
13 | * Redistribution and use in source and binary forms, with or without | |||
14 | * modification, are permitted provided that the following conditions | |||
15 | * are met: | |||
16 | * 1. Redistributions of source code must retain the above copyright | |||
17 | * notice, this list of conditions and the following disclaimer. | |||
18 | * 2. Redistributions in binary form must reproduce the above copyright | |||
19 | * notice, this list of conditions and the following disclaimer in the | |||
20 | * documentation and/or other materials provided with the distribution. | |||
21 | * | |||
22 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | |||
23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |||
24 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |||
25 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | |||
26 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |||
27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |||
28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |||
29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |||
30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |||
31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |||
32 | * POSSIBILITY OF SUCH DAMAGE. | |||
33 | */ | |||
34 | ||||
35 | ||||
36 | #include <sys/param.h> | |||
37 | #include <sys/systm.h> | |||
38 | #include <sys/kernel.h> | |||
39 | #include <sys/malloc.h> | |||
40 | #include <sys/device.h> | |||
41 | #include <sys/ioctl.h> | |||
42 | #include <sys/conf.h> | |||
43 | #include <sys/tty.h> | |||
44 | #include <sys/fcntl.h> | |||
45 | #include <sys/selinfo.h> | |||
46 | #include <sys/vnode.h> | |||
47 | #include <sys/poll.h> | |||
48 | ||||
49 | #include <machine/bus.h> | |||
50 | ||||
51 | #include <dev/usb/usb.h> | |||
52 | #include <dev/usb/usbdi.h> | |||
53 | #include <dev/usb/usbdi_util.h> | |||
54 | #include <dev/usb/usbdivar.h> | |||
55 | ||||
56 | #ifdef UGEN_DEBUG | |||
57 | #define DPRINTF(x) do { if (ugendebug) printf x; } while (0) | |||
58 | #define DPRINTFN(n,x) do { if (ugendebug>(n)) printf x; } while (0) | |||
59 | int ugendebug = 0; | |||
60 | #else | |||
61 | #define DPRINTF(x) | |||
62 | #define DPRINTFN(n,x) | |||
63 | #endif | |||
64 | ||||
65 | #define UGEN_CHUNK128 128 /* chunk size for read */ | |||
66 | #define UGEN_IBSIZE1020 1020 /* buffer size */ | |||
67 | #define UGEN_BBSIZE1024 1024 | |||
68 | ||||
69 | #define UGEN_NISOFRAMES500 500 /* 0.5 seconds worth */ | |||
70 | #define UGEN_NISOREQS6 6 /* number of outstanding xfer requests */ | |||
71 | #define UGEN_NISORFRMS4 4 /* number of frames (milliseconds) per req */ | |||
72 | ||||
73 | struct ugen_endpoint { | |||
74 | struct ugen_softc *sc; | |||
75 | usb_endpoint_descriptor_t *edesc; | |||
76 | struct usbd_interface *iface; | |||
77 | int state; | |||
78 | #define UGEN_ASLP0x02 0x02 /* waiting for data */ | |||
79 | #define UGEN_SHORT_OK0x04 0x04 /* short xfers are OK */ | |||
80 | struct usbd_pipe *pipeh; | |||
81 | struct clist q; | |||
82 | struct selinfo rsel; | |||
83 | u_char *ibuf; /* start of buffer (circular for isoc) */ | |||
84 | size_t ibuflen; | |||
85 | u_char *fill; /* location for input (isoc) */ | |||
86 | u_char *limit; /* end of circular buffer (isoc) */ | |||
87 | u_char *cur; /* current read location (isoc) */ | |||
88 | u_int32_t timeout; | |||
89 | struct isoreq { | |||
90 | struct ugen_endpoint *sce; | |||
91 | struct usbd_xfer *xfer; | |||
92 | void *dmabuf; | |||
93 | u_int16_t sizes[UGEN_NISORFRMS4]; | |||
94 | } isoreqs[UGEN_NISOREQS6]; | |||
95 | }; | |||
96 | ||||
97 | struct ugen_softc { | |||
98 | struct device sc_dev; /* base device */ | |||
99 | struct usbd_device *sc_udev; | |||
100 | ||||
101 | char sc_is_open[USB_MAX_ENDPOINTS16]; | |||
102 | struct ugen_endpoint sc_endpoints[USB_MAX_ENDPOINTS16][2]; | |||
103 | #define OUT0 0 | |||
104 | #define IN1 1 | |||
105 | ||||
106 | int sc_refcnt; | |||
107 | u_char sc_secondary; | |||
108 | }; | |||
109 | ||||
110 | void ugenintr(struct usbd_xfer *, void *, usbd_status); | |||
111 | void ugen_isoc_rintr(struct usbd_xfer *, void *, usbd_status); | |||
112 | int ugen_do_read(struct ugen_softc *, int, struct uio *, int); | |||
113 | int ugen_do_write(struct ugen_softc *, int, struct uio *, int); | |||
114 | int ugen_do_ioctl(struct ugen_softc *, int, u_long, caddr_t, int, | |||
115 | struct proc *); | |||
116 | int ugen_do_close(struct ugen_softc *, int, int); | |||
117 | int ugen_set_config(struct ugen_softc *, int); | |||
118 | int ugen_set_interface(struct ugen_softc *, int, int); | |||
119 | int ugen_get_alt_index(struct ugen_softc *, int); | |||
120 | void ugen_clear_iface_eps(struct ugen_softc *, struct usbd_interface *); | |||
121 | ||||
122 | #define UGENUNIT(n)((((unsigned)((n) & 0xff) | (((n) & 0xffff0000) >> 8)) >> 4) & 0xf) ((minor(n)((unsigned)((n) & 0xff) | (((n) & 0xffff0000) >> 8)) >> 4) & 0xf) | |||
123 | #define UGENENDPOINT(n)(((unsigned)((n) & 0xff) | (((n) & 0xffff0000) >> 8)) & 0xf) (minor(n)((unsigned)((n) & 0xff) | (((n) & 0xffff0000) >> 8)) & 0xf) | |||
124 | #define UGENDEV(u, e)(((dev_t)((((0) & 0xff) << 8) | ((((u) << 4) | (e)) & 0xff) | (((((u) << 4) | (e)) & 0xffff00 ) << 8)))) (makedev(0, ((u) << 4) | (e))((dev_t)((((0) & 0xff) << 8) | ((((u) << 4) | (e)) & 0xff) | (((((u) << 4) | (e)) & 0xffff00 ) << 8)))) | |||
125 | ||||
126 | int ugen_match(struct device *, void *, void *); | |||
127 | void ugen_attach(struct device *, struct device *, void *); | |||
128 | int ugen_detach(struct device *, int); | |||
129 | ||||
130 | struct cfdriver ugen_cd = { | |||
131 | NULL((void *)0), "ugen", DV_DULL | |||
132 | }; | |||
133 | ||||
134 | const struct cfattach ugen_ca = { | |||
135 | sizeof(struct ugen_softc), ugen_match, ugen_attach, ugen_detach | |||
136 | }; | |||
137 | ||||
138 | int | |||
139 | ugen_match(struct device *parent, void *match, void *aux) | |||
140 | { | |||
141 | struct usb_attach_arg *uaa = aux; | |||
142 | ||||
143 | if (uaa->usegeneric) { | |||
144 | return (UMATCH_GENERIC1); | |||
145 | } else | |||
146 | return (UMATCH_NONE0); | |||
147 | } | |||
148 | ||||
149 | void | |||
150 | ugen_attach(struct device *parent, struct device *self, void *aux) | |||
151 | { | |||
152 | struct ugen_softc *sc = (struct ugen_softc *)self; | |||
153 | struct usb_attach_arg *uaa = aux; | |||
154 | struct usbd_device *udev; | |||
155 | usbd_status err; | |||
156 | int conf; | |||
157 | ||||
158 | sc->sc_udev = udev = uaa->device; | |||
159 | ||||
160 | if (usbd_get_devcnt(udev) > 0) | |||
161 | sc->sc_secondary = 1; | |||
162 | ||||
163 | if (!sc->sc_secondary) { | |||
164 | /* First set configuration index 0, the default one for ugen. */ | |||
165 | err = usbd_set_config_index(udev, 0, 0); | |||
166 | if (err) { | |||
167 | printf("%s: setting configuration index 0 failed\n", | |||
168 | sc->sc_dev.dv_xname); | |||
169 | usbd_deactivate(sc->sc_udev); | |||
170 | return; | |||
171 | } | |||
172 | } | |||
173 | conf = usbd_get_config_descriptor(udev)->bConfigurationValue; | |||
174 | ||||
175 | /* Set up all the local state for this configuration. */ | |||
176 | err = ugen_set_config(sc, conf); | |||
177 | if (err) { | |||
178 | printf("%s: setting configuration %d failed\n", | |||
179 | sc->sc_dev.dv_xname, conf); | |||
180 | usbd_deactivate(sc->sc_udev); | |||
181 | return; | |||
182 | } | |||
183 | } | |||
184 | ||||
185 | int | |||
186 | ugen_set_config(struct ugen_softc *sc, int configno) | |||
187 | { | |||
188 | struct usbd_device *dev = sc->sc_udev; | |||
189 | usb_config_descriptor_t *cdesc; | |||
190 | usb_interface_descriptor_t *id; | |||
191 | struct usbd_interface *iface; | |||
192 | usb_endpoint_descriptor_t *ed; | |||
193 | struct ugen_endpoint *sce; | |||
194 | int ifaceno, endptno, endpt; | |||
195 | int err, dir; | |||
196 | ||||
197 | DPRINTFN(1,("ugen_set_config: %s to configno %d, sc=%p\n", | |||
198 | sc->sc_dev.dv_xname, configno, sc)); | |||
199 | ||||
200 | /* | |||
201 | * We start at 1, not 0, because we don't care whether the | |||
202 | * control endpoint is open or not. It is always present. | |||
203 | */ | |||
204 | for (endptno = 1; endptno < USB_MAX_ENDPOINTS16; endptno++) | |||
205 | if (sc->sc_is_open[endptno]) { | |||
206 | DPRINTFN(1, | |||
207 | ("ugen_set_config: %s - endpoint %d is open\n", | |||
208 | sc->sc_dev.dv_xname, endptno)); | |||
209 | return (USBD_IN_USE); | |||
210 | } | |||
211 | ||||
212 | /* Avoid setting the current value. */ | |||
213 | cdesc = usbd_get_config_descriptor(dev); | |||
214 | if (cdesc == NULL((void *)0) || cdesc->bConfigurationValue != configno) { | |||
215 | if (sc->sc_secondary) { | |||
216 | printf("%s: secondary, not changing config to %d\n", | |||
217 | __func__, configno); | |||
218 | return (USBD_IN_USE); | |||
219 | } else { | |||
220 | err = usbd_set_config_no(dev, configno, 1); | |||
221 | if (err) | |||
222 | return (err); | |||
223 | cdesc = usbd_get_config_descriptor(dev); | |||
224 | if (cdesc == NULL((void *)0) || | |||
225 | cdesc->bConfigurationValue != configno) | |||
226 | return (USBD_INVAL); | |||
227 | } | |||
228 | } | |||
229 | ||||
230 | memset(sc->sc_endpoints, 0, sizeof sc->sc_endpoints)__builtin_memset((sc->sc_endpoints), (0), (sizeof sc->sc_endpoints )); | |||
231 | for (ifaceno = 0; ifaceno < cdesc->bNumInterfaces; ifaceno++) { | |||
232 | DPRINTFN(1,("ugen_set_config: ifaceno %d\n", ifaceno)); | |||
233 | if (usbd_iface_claimed(sc->sc_udev, ifaceno)) { | |||
234 | DPRINTF(("%s: iface %d not available\n", __func__, | |||
235 | ifaceno)); | |||
236 | continue; | |||
237 | } | |||
238 | err = usbd_device2interface_handle(dev, ifaceno, &iface); | |||
239 | if (err) | |||
240 | return (err); | |||
241 | id = usbd_get_interface_descriptor(iface); | |||
242 | for (endptno = 0; endptno < id->bNumEndpoints; endptno++) { | |||
243 | ed = usbd_interface2endpoint_descriptor(iface,endptno); | |||
244 | endpt = ed->bEndpointAddress; | |||
245 | dir = UE_GET_DIR(endpt)((endpt) & 0x80) == UE_DIR_IN0x80 ? IN1 : OUT0; | |||
246 | sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)((endpt) & 0x0f)][dir]; | |||
247 | DPRINTFN(1,("ugen_set_config: endptno %d, endpt=0x%02x" | |||
248 | "(%d,%d), sce=%p\n", | |||
249 | endptno, endpt, UE_GET_ADDR(endpt), | |||
250 | UE_GET_DIR(endpt), sce)); | |||
251 | sce->sc = sc; | |||
252 | sce->edesc = ed; | |||
253 | sce->iface = iface; | |||
254 | } | |||
255 | } | |||
256 | return (0); | |||
257 | } | |||
258 | ||||
259 | int | |||
260 | ugenopen(dev_t dev, int flag, int mode, struct proc *p) | |||
261 | { | |||
262 | struct ugen_softc *sc; | |||
263 | int unit = UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf); | |||
264 | int endpt = UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf); | |||
265 | usb_endpoint_descriptor_t *edesc; | |||
266 | struct ugen_endpoint *sce; | |||
267 | int dir, isize; | |||
268 | usbd_status err; | |||
269 | struct usbd_xfer *xfer; | |||
270 | void *buf; | |||
271 | int i, j; | |||
272 | ||||
273 | if (unit >= ugen_cd.cd_ndevs) | |||
274 | return (ENXIO6); | |||
275 | sc = ugen_cd.cd_devs[unit]; | |||
276 | if (sc == NULL((void *)0)) | |||
277 | return (ENXIO6); | |||
278 | ||||
279 | DPRINTFN(5, ("ugenopen: flag=%d, mode=%d, unit=%d endpt=%d\n", | |||
280 | flag, mode, unit, endpt)); | |||
281 | ||||
282 | if (sc == NULL((void *)0) || usbd_is_dying(sc->sc_udev)) | |||
283 | return (ENXIO6); | |||
284 | ||||
285 | if (sc->sc_is_open[endpt]) | |||
286 | return (EBUSY16); | |||
287 | ||||
288 | if (endpt == USB_CONTROL_ENDPOINT0) { | |||
289 | sc->sc_is_open[USB_CONTROL_ENDPOINT0] = 1; | |||
290 | return (0); | |||
291 | } | |||
292 | ||||
293 | /* Make sure there are pipes for all directions. */ | |||
294 | for (dir = OUT0; dir <= IN1; dir++) { | |||
295 | if (flag & (dir == OUT0 ? FWRITE0x0002 : FREAD0x0001)) { | |||
296 | sce = &sc->sc_endpoints[endpt][dir]; | |||
297 | if (sce == 0 || sce->edesc == 0) | |||
298 | return (ENXIO6); | |||
299 | } | |||
300 | } | |||
301 | ||||
302 | /* Actually open the pipes. */ | |||
303 | /* XXX Should back out properly if it fails. */ | |||
304 | for (dir = OUT0; dir <= IN1; dir++) { | |||
305 | if (!(flag & (dir == OUT0 ? FWRITE0x0002 : FREAD0x0001))) | |||
306 | continue; | |||
307 | sce = &sc->sc_endpoints[endpt][dir]; | |||
308 | sce->state = 0; | |||
309 | sce->timeout = USBD_NO_TIMEOUT0; | |||
310 | DPRINTFN(5, ("ugenopen: sc=%p, endpt=%d, dir=%d, sce=%p\n", | |||
311 | sc, endpt, dir, sce)); | |||
312 | edesc = sce->edesc; | |||
313 | /* Clear device endpoint toggle. */ | |||
314 | ugen_clear_iface_eps(sc, sce->iface); | |||
315 | switch (UE_GET_XFERTYPE(edesc->bmAttributes)((edesc->bmAttributes) & 0x03)) { | |||
316 | case UE_INTERRUPT0x03: | |||
317 | if (dir == OUT0) { | |||
318 | err = usbd_open_pipe(sce->iface, | |||
319 | edesc->bEndpointAddress, 0, &sce->pipeh); | |||
320 | if (err) | |||
321 | return (EIO5); | |||
322 | break; | |||
323 | } | |||
324 | isize = UGETW(edesc->wMaxPacketSize)(*(u_int16_t *)(edesc->wMaxPacketSize)); | |||
325 | if (isize == 0) /* shouldn't happen */ | |||
326 | return (EINVAL22); | |||
327 | sce->ibuflen = isize; | |||
328 | sce->ibuf = malloc(sce->ibuflen, M_USBDEV102, M_WAITOK0x0001); | |||
329 | DPRINTFN(5, ("ugenopen: intr endpt=%d,isize=%d\n", | |||
330 | endpt, isize)); | |||
331 | clalloc(&sce->q, UGEN_IBSIZE1020, 0); | |||
332 | err = usbd_open_pipe_intr(sce->iface, | |||
333 | edesc->bEndpointAddress, | |||
334 | USBD_SHORT_XFER_OK0x04, &sce->pipeh, sce, | |||
335 | sce->ibuf, isize, ugenintr, | |||
336 | USBD_DEFAULT_INTERVAL(-1)); | |||
337 | if (err) { | |||
338 | free(sce->ibuf, M_USBDEV102, sce->ibuflen); | |||
339 | clfree(&sce->q); | |||
340 | return (EIO5); | |||
341 | } | |||
342 | /* Clear HC endpoint toggle. */ | |||
343 | usbd_clear_endpoint_toggle(sce->pipeh); | |||
344 | DPRINTFN(5, ("ugenopen: interrupt open done\n")); | |||
345 | break; | |||
346 | case UE_BULK0x02: | |||
347 | err = usbd_open_pipe(sce->iface, | |||
348 | edesc->bEndpointAddress, 0, &sce->pipeh); | |||
349 | if (err) | |||
350 | return (EIO5); | |||
351 | /* Clear HC endpoint toggle. */ | |||
352 | usbd_clear_endpoint_toggle(sce->pipeh); | |||
353 | break; | |||
354 | case UE_ISOCHRONOUS0x01: | |||
355 | if (dir == OUT0) | |||
356 | return (EINVAL22); | |||
357 | isize = UGETW(edesc->wMaxPacketSize)(*(u_int16_t *)(edesc->wMaxPacketSize)); | |||
358 | if (isize == 0) /* shouldn't happen */ | |||
359 | return (EINVAL22); | |||
360 | sce->ibuflen = isize * UGEN_NISOFRAMES500; | |||
361 | sce->ibuf = mallocarray(isize, UGEN_NISOFRAMES500, | |||
362 | M_USBDEV102, M_WAITOK0x0001); | |||
363 | sce->cur = sce->fill = sce->ibuf; | |||
364 | sce->limit = sce->ibuf + isize * UGEN_NISOFRAMES500; | |||
365 | DPRINTFN(5, ("ugenopen: isoc endpt=%d, isize=%d\n", | |||
366 | endpt, isize)); | |||
367 | err = usbd_open_pipe(sce->iface, | |||
368 | edesc->bEndpointAddress, 0, &sce->pipeh); | |||
369 | if (err) { | |||
370 | free(sce->ibuf, M_USBDEV102, sce->ibuflen); | |||
371 | return (EIO5); | |||
372 | } | |||
373 | for(i = 0; i < UGEN_NISOREQS6; ++i) { | |||
374 | sce->isoreqs[i].sce = sce; | |||
375 | xfer = usbd_alloc_xfer(sc->sc_udev); | |||
376 | if (xfer == 0) | |||
377 | goto bad; | |||
378 | sce->isoreqs[i].xfer = xfer; | |||
379 | buf = usbd_alloc_buffer | |||
380 | (xfer, isize * UGEN_NISORFRMS4); | |||
381 | if (buf == 0) { | |||
382 | i++; | |||
383 | goto bad; | |||
384 | } | |||
385 | sce->isoreqs[i].dmabuf = buf; | |||
386 | for(j = 0; j < UGEN_NISORFRMS4; ++j) | |||
387 | sce->isoreqs[i].sizes[j] = isize; | |||
388 | usbd_setup_isoc_xfer(xfer, sce->pipeh, | |||
389 | &sce->isoreqs[i], sce->isoreqs[i].sizes, | |||
390 | UGEN_NISORFRMS4, USBD_NO_COPY0x01 | | |||
391 | USBD_SHORT_XFER_OK0x04, ugen_isoc_rintr); | |||
392 | (void)usbd_transfer(xfer); | |||
393 | } | |||
394 | DPRINTFN(5, ("ugenopen: isoc open done\n")); | |||
395 | break; | |||
396 | bad: | |||
397 | while (--i >= 0) /* implicit buffer free */ | |||
398 | usbd_free_xfer(sce->isoreqs[i].xfer); | |||
399 | return (ENOMEM12); | |||
400 | case UE_CONTROL0x00: | |||
401 | sce->timeout = USBD_DEFAULT_TIMEOUT5000; | |||
402 | return (EINVAL22); | |||
403 | } | |||
404 | } | |||
405 | sc->sc_is_open[endpt] = 1; | |||
406 | return (0); | |||
407 | } | |||
408 | ||||
409 | int | |||
410 | ugenclose(dev_t dev, int flag, int mode, struct proc *p) | |||
411 | { | |||
412 | struct ugen_softc *sc = ugen_cd.cd_devs[UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf)]; | |||
413 | int endpt = UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf); | |||
414 | int error; | |||
415 | ||||
416 | if (sc == NULL((void *)0) || usbd_is_dying(sc->sc_udev)) | |||
417 | return (EIO5); | |||
418 | ||||
419 | DPRINTFN(5, ("ugenclose: flag=%d, mode=%d, unit=%d, endpt=%d\n", | |||
420 | flag, mode, UGENUNIT(dev), endpt)); | |||
421 | ||||
422 | sc->sc_refcnt++; | |||
423 | error = ugen_do_close(sc, endpt, flag); | |||
424 | if (--sc->sc_refcnt < 0) | |||
425 | usb_detach_wakeup(&sc->sc_dev); | |||
426 | ||||
427 | return (error); | |||
428 | } | |||
429 | ||||
430 | int | |||
431 | ugen_do_close(struct ugen_softc *sc, int endpt, int flag) | |||
432 | { | |||
433 | struct ugen_endpoint *sce; | |||
434 | int dir, i; | |||
435 | ||||
436 | #ifdef DIAGNOSTIC1 | |||
437 | if (!sc->sc_is_open[endpt]) { | |||
438 | printf("ugenclose: not open\n"); | |||
439 | return (EINVAL22); | |||
440 | } | |||
441 | #endif | |||
442 | ||||
443 | if (endpt == USB_CONTROL_ENDPOINT0) { | |||
444 | DPRINTFN(5, ("ugenclose: close control\n")); | |||
445 | sc->sc_is_open[endpt] = 0; | |||
446 | return (0); | |||
447 | } | |||
448 | ||||
449 | for (dir = OUT0; dir <= IN1; dir++) { | |||
450 | if (!(flag & (dir == OUT0 ? FWRITE0x0002 : FREAD0x0001))) | |||
451 | continue; | |||
452 | sce = &sc->sc_endpoints[endpt][dir]; | |||
453 | if (sce == NULL((void *)0) || sce->pipeh == NULL((void *)0)) | |||
454 | continue; | |||
455 | DPRINTFN(5, ("ugenclose: endpt=%d dir=%d sce=%p\n", | |||
456 | endpt, dir, sce)); | |||
457 | ||||
458 | usbd_close_pipe(sce->pipeh); | |||
459 | sce->pipeh = NULL((void *)0); | |||
460 | ||||
461 | switch (UE_GET_XFERTYPE(sce->edesc->bmAttributes)((sce->edesc->bmAttributes) & 0x03)) { | |||
462 | case UE_INTERRUPT0x03: | |||
463 | ndflush(&sce->q, sce->q.c_cc); | |||
464 | clfree(&sce->q); | |||
465 | break; | |||
466 | case UE_ISOCHRONOUS0x01: | |||
467 | for (i = 0; i < UGEN_NISOREQS6; ++i) | |||
468 | usbd_free_xfer(sce->isoreqs[i].xfer); | |||
469 | ||||
470 | default: | |||
471 | break; | |||
472 | } | |||
473 | ||||
474 | if (sce->ibuf != NULL((void *)0)) { | |||
475 | free(sce->ibuf, M_USBDEV102, sce->ibuflen); | |||
476 | sce->ibuf = NULL((void *)0); | |||
477 | } | |||
478 | } | |||
479 | sc->sc_is_open[endpt] = 0; | |||
480 | ||||
481 | return (0); | |||
482 | } | |||
483 | ||||
484 | int | |||
485 | ugen_do_read(struct ugen_softc *sc, int endpt, struct uio *uio, int flag) | |||
486 | { | |||
487 | struct ugen_endpoint *sce = &sc->sc_endpoints[endpt][IN1]; | |||
488 | u_int32_t tn; | |||
489 | size_t n; | |||
490 | char buf[UGEN_BBSIZE1024]; | |||
491 | struct usbd_xfer *xfer; | |||
492 | usbd_status err; | |||
493 | int s; | |||
494 | int flags, error = 0; | |||
495 | u_char buffer[UGEN_CHUNK128]; | |||
496 | ||||
497 | DPRINTFN(5, ("%s: ugenread: %d\n", sc->sc_dev.dv_xname, endpt)); | |||
498 | ||||
499 | if (usbd_is_dying(sc->sc_udev)) | |||
500 | return (EIO5); | |||
501 | ||||
502 | if (endpt == USB_CONTROL_ENDPOINT0) | |||
503 | return (ENODEV19); | |||
504 | ||||
505 | #ifdef DIAGNOSTIC1 | |||
506 | if (sce->edesc == NULL((void *)0)) { | |||
507 | printf("ugenread: no edesc\n"); | |||
508 | return (EIO5); | |||
509 | } | |||
510 | if (sce->pipeh == NULL((void *)0)) { | |||
511 | printf("ugenread: no pipe\n"); | |||
512 | return (EIO5); | |||
513 | } | |||
514 | #endif | |||
515 | ||||
516 | switch (UE_GET_XFERTYPE(sce->edesc->bmAttributes)((sce->edesc->bmAttributes) & 0x03)) { | |||
517 | case UE_INTERRUPT0x03: | |||
518 | /* Block until activity occurred. */ | |||
519 | s = splusb()splraise(0x5); | |||
520 | while (sce->q.c_cc == 0) { | |||
521 | if (flag & IO_NDELAY0x10) { | |||
522 | splx(s)spllower(s); | |||
523 | return (EWOULDBLOCK35); | |||
524 | } | |||
525 | sce->state |= UGEN_ASLP0x02; | |||
526 | DPRINTFN(5, ("ugenread: sleep on %p\n", sce)); | |||
527 | error = tsleep_nsec(sce, PZERO22 | PCATCH0x100, "ugenrintr", | |||
528 | MSEC_TO_NSEC(sce->timeout)); | |||
529 | sce->state &= ~UGEN_ASLP0x02; | |||
530 | DPRINTFN(5, ("ugenread: woke, error=%d\n", error)); | |||
531 | if (usbd_is_dying(sc->sc_udev)) | |||
532 | error = EIO5; | |||
533 | if (error == EWOULDBLOCK35) { /* timeout, return 0 */ | |||
534 | error = 0; | |||
535 | break; | |||
536 | } | |||
537 | if (error) | |||
538 | break; | |||
539 | } | |||
540 | splx(s)spllower(s); | |||
541 | ||||
542 | /* Transfer as many chunks as possible. */ | |||
543 | while (sce->q.c_cc > 0 && uio->uio_resid > 0 && !error) { | |||
544 | n = ulmin(sce->q.c_cc, uio->uio_resid); | |||
545 | if (n > sizeof(buffer)) | |||
546 | n = sizeof(buffer); | |||
547 | ||||
548 | /* Remove a small chunk from the input queue. */ | |||
549 | q_to_b(&sce->q, buffer, n); | |||
550 | DPRINTFN(5, ("ugenread: got %zu chars\n", n)); | |||
551 | ||||
552 | /* Copy the data to the user process. */ | |||
553 | error = uiomove(buffer, n, uio); | |||
554 | if (error) | |||
555 | break; | |||
556 | } | |||
557 | break; | |||
558 | case UE_BULK0x02: | |||
559 | xfer = usbd_alloc_xfer(sc->sc_udev); | |||
560 | if (xfer == 0) | |||
561 | return (ENOMEM12); | |||
562 | flags = USBD_SYNCHRONOUS0x02; | |||
563 | if (sce->state & UGEN_SHORT_OK0x04) | |||
564 | flags |= USBD_SHORT_XFER_OK0x04; | |||
565 | if (sce->timeout == 0) | |||
566 | flags |= USBD_CATCH0x10; | |||
567 | while ((n = ulmin(UGEN_BBSIZE1024, uio->uio_resid)) != 0) { | |||
568 | DPRINTFN(1, ("ugenread: start transfer %zu bytes\n",n)); | |||
569 | usbd_setup_xfer(xfer, sce->pipeh, 0, buf, n, | |||
570 | flags, sce->timeout, NULL((void *)0)); | |||
571 | err = usbd_transfer(xfer); | |||
572 | if (err) { | |||
573 | usbd_clear_endpoint_stall(sce->pipeh); | |||
574 | if (err == USBD_INTERRUPTED) | |||
575 | error = EINTR4; | |||
576 | else if (err == USBD_TIMEOUT) | |||
577 | error = ETIMEDOUT60; | |||
578 | else | |||
579 | error = EIO5; | |||
580 | break; | |||
581 | } | |||
582 | usbd_get_xfer_status(xfer, NULL((void *)0), NULL((void *)0), &tn, NULL((void *)0)); | |||
583 | DPRINTFN(1, ("ugenread: got %u bytes\n", tn)); | |||
584 | error = uiomove(buf, tn, uio); | |||
585 | if (error || tn < n) | |||
586 | break; | |||
587 | } | |||
588 | usbd_free_xfer(xfer); | |||
589 | break; | |||
590 | case UE_ISOCHRONOUS0x01: | |||
591 | s = splusb()splraise(0x5); | |||
592 | while (sce->cur == sce->fill) { | |||
593 | if (flag & IO_NDELAY0x10) { | |||
594 | splx(s)spllower(s); | |||
595 | return (EWOULDBLOCK35); | |||
596 | } | |||
597 | sce->state |= UGEN_ASLP0x02; | |||
598 | DPRINTFN(5, ("ugenread: sleep on %p\n", sce)); | |||
599 | error = tsleep_nsec(sce, PZERO22 | PCATCH0x100, "ugenriso", | |||
600 | MSEC_TO_NSEC(sce->timeout)); | |||
601 | sce->state &= ~UGEN_ASLP0x02; | |||
602 | DPRINTFN(5, ("ugenread: woke, error=%d\n", error)); | |||
603 | if (usbd_is_dying(sc->sc_udev)) | |||
604 | error = EIO5; | |||
605 | if (error == EWOULDBLOCK35) { /* timeout, return 0 */ | |||
606 | error = 0; | |||
607 | break; | |||
608 | } | |||
609 | if (error) | |||
610 | break; | |||
611 | } | |||
612 | ||||
613 | while (sce->cur != sce->fill && uio->uio_resid > 0 && !error) { | |||
614 | if(sce->fill > sce->cur) | |||
615 | n = ulmin(sce->fill - sce->cur, uio->uio_resid); | |||
616 | else | |||
617 | n = ulmin(sce->limit - sce->cur, uio->uio_resid); | |||
618 | ||||
619 | DPRINTFN(5, ("ugenread: isoc got %zu chars\n", n)); | |||
620 | ||||
621 | /* Copy the data to the user process. */ | |||
622 | error = uiomove(sce->cur, n, uio); | |||
623 | if (error) | |||
624 | break; | |||
625 | sce->cur += n; | |||
626 | if(sce->cur >= sce->limit) | |||
627 | sce->cur = sce->ibuf; | |||
628 | } | |||
629 | splx(s)spllower(s); | |||
630 | break; | |||
631 | ||||
632 | ||||
633 | default: | |||
634 | return (ENXIO6); | |||
635 | } | |||
636 | return (error); | |||
637 | } | |||
638 | ||||
639 | int | |||
640 | ugenread(dev_t dev, struct uio *uio, int flag) | |||
641 | { | |||
642 | int endpt = UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf); | |||
643 | struct ugen_softc *sc; | |||
644 | int error; | |||
645 | ||||
646 | sc = ugen_cd.cd_devs[UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf)]; | |||
647 | ||||
648 | sc->sc_refcnt++; | |||
649 | error = ugen_do_read(sc, endpt, uio, flag); | |||
650 | if (--sc->sc_refcnt < 0) | |||
651 | usb_detach_wakeup(&sc->sc_dev); | |||
652 | return (error); | |||
653 | } | |||
654 | ||||
655 | int | |||
656 | ugen_do_write(struct ugen_softc *sc, int endpt, struct uio *uio, int flag) | |||
657 | { | |||
658 | struct ugen_endpoint *sce = &sc->sc_endpoints[endpt][OUT0]; | |||
659 | size_t n; | |||
660 | int flags, error = 0; | |||
661 | char buf[UGEN_BBSIZE1024]; | |||
662 | struct usbd_xfer *xfer; | |||
663 | usbd_status err; | |||
664 | ||||
665 | DPRINTFN(5, ("%s: ugenwrite: %d\n", sc->sc_dev.dv_xname, endpt)); | |||
666 | ||||
667 | if (usbd_is_dying(sc->sc_udev)) | |||
668 | return (EIO5); | |||
669 | ||||
670 | if (endpt == USB_CONTROL_ENDPOINT0) | |||
671 | return (ENODEV19); | |||
672 | ||||
673 | #ifdef DIAGNOSTIC1 | |||
674 | if (sce->edesc == NULL((void *)0)) { | |||
675 | printf("ugenwrite: no edesc\n"); | |||
676 | return (EIO5); | |||
677 | } | |||
678 | if (sce->pipeh == NULL((void *)0)) { | |||
679 | printf("ugenwrite: no pipe\n"); | |||
680 | return (EIO5); | |||
681 | } | |||
682 | #endif | |||
683 | flags = USBD_SYNCHRONOUS0x02; | |||
684 | if (sce->timeout == 0) | |||
685 | flags |= USBD_CATCH0x10; | |||
686 | ||||
687 | switch (UE_GET_XFERTYPE(sce->edesc->bmAttributes)((sce->edesc->bmAttributes) & 0x03)) { | |||
688 | case UE_BULK0x02: | |||
689 | xfer = usbd_alloc_xfer(sc->sc_udev); | |||
690 | if (xfer == 0) | |||
691 | return (EIO5); | |||
692 | while ((n = ulmin(UGEN_BBSIZE1024, uio->uio_resid)) != 0) { | |||
693 | error = uiomove(buf, n, uio); | |||
694 | if (error) | |||
695 | break; | |||
696 | DPRINTFN(1, ("ugenwrite: transfer %zu bytes\n", n)); | |||
697 | usbd_setup_xfer(xfer, sce->pipeh, 0, buf, n, | |||
698 | flags, sce->timeout, NULL((void *)0)); | |||
699 | err = usbd_transfer(xfer); | |||
700 | if (err) { | |||
701 | usbd_clear_endpoint_stall(sce->pipeh); | |||
702 | if (err == USBD_INTERRUPTED) | |||
703 | error = EINTR4; | |||
704 | else if (err == USBD_TIMEOUT) | |||
705 | error = ETIMEDOUT60; | |||
706 | else | |||
707 | error = EIO5; | |||
708 | break; | |||
709 | } | |||
710 | } | |||
711 | usbd_free_xfer(xfer); | |||
712 | break; | |||
713 | case UE_INTERRUPT0x03: | |||
714 | xfer = usbd_alloc_xfer(sc->sc_udev); | |||
715 | if (xfer == 0) | |||
716 | return (EIO5); | |||
717 | while ((n = ulmin(UGETW(sce->edesc->wMaxPacketSize)(*(u_int16_t *)(sce->edesc->wMaxPacketSize)), | |||
718 | uio->uio_resid)) != 0) { | |||
719 | error = uiomove(buf, n, uio); | |||
720 | if (error) | |||
721 | break; | |||
722 | DPRINTFN(1, ("ugenwrite: transfer %zu bytes\n", n)); | |||
723 | usbd_setup_xfer(xfer, sce->pipeh, 0, buf, n, | |||
724 | flags, sce->timeout, NULL((void *)0)); | |||
725 | err = usbd_transfer(xfer); | |||
726 | if (err) { | |||
727 | usbd_clear_endpoint_stall(sce->pipeh); | |||
728 | if (err == USBD_INTERRUPTED) | |||
729 | error = EINTR4; | |||
730 | else if (err == USBD_TIMEOUT) | |||
731 | error = ETIMEDOUT60; | |||
732 | else | |||
733 | error = EIO5; | |||
734 | break; | |||
735 | } | |||
736 | } | |||
737 | usbd_free_xfer(xfer); | |||
738 | break; | |||
739 | default: | |||
740 | return (ENXIO6); | |||
741 | } | |||
742 | return (error); | |||
743 | } | |||
744 | ||||
745 | int | |||
746 | ugenwrite(dev_t dev, struct uio *uio, int flag) | |||
747 | { | |||
748 | int endpt = UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf); | |||
749 | struct ugen_softc *sc; | |||
750 | int error; | |||
751 | ||||
752 | sc = ugen_cd.cd_devs[UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf)]; | |||
753 | ||||
754 | sc->sc_refcnt++; | |||
755 | error = ugen_do_write(sc, endpt, uio, flag); | |||
756 | if (--sc->sc_refcnt < 0) | |||
757 | usb_detach_wakeup(&sc->sc_dev); | |||
758 | return (error); | |||
759 | } | |||
760 | ||||
761 | int | |||
762 | ugen_detach(struct device *self, int flags) | |||
763 | { | |||
764 | struct ugen_softc *sc = (struct ugen_softc *)self; | |||
765 | struct ugen_endpoint *sce; | |||
766 | int i, dir, endptno; | |||
767 | int s, maj, mn; | |||
768 | ||||
769 | DPRINTF(("ugen_detach: sc=%p flags=%d\n", sc, flags)); | |||
770 | ||||
771 | /* Abort all pipes. Causes processes waiting for transfer to wake. */ | |||
772 | for (i = 0; i < USB_MAX_ENDPOINTS16; i++) { | |||
773 | for (dir = OUT0; dir <= IN1; dir++) { | |||
774 | sce = &sc->sc_endpoints[i][dir]; | |||
775 | if (sce && sce->pipeh) | |||
776 | usbd_abort_pipe(sce->pipeh); | |||
777 | } | |||
778 | } | |||
779 | ||||
780 | s = splusb()splraise(0x5); | |||
781 | if (--sc->sc_refcnt >= 0) { | |||
782 | /* Wake everyone */ | |||
783 | for (i = 0; i < USB_MAX_ENDPOINTS16; i++) | |||
784 | wakeup(&sc->sc_endpoints[i][IN1]); | |||
785 | /* Wait for processes to go away. */ | |||
786 | usb_detach_wait(&sc->sc_dev); | |||
787 | } | |||
788 | splx(s)spllower(s); | |||
789 | ||||
790 | /* locate the major number */ | |||
791 | for (maj = 0; maj < nchrdev; maj++) | |||
792 | if (cdevsw[maj].d_open == ugenopen) | |||
793 | break; | |||
794 | ||||
795 | /* Nuke the vnodes for any open instances (calls close). */ | |||
796 | mn = self->dv_unit * USB_MAX_ENDPOINTS16; | |||
797 | vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS16 - 1, VCHR); | |||
798 | ||||
799 | for (endptno = 0; endptno < USB_MAX_ENDPOINTS16; endptno++) { | |||
800 | if (sc->sc_is_open[endptno]) | |||
801 | ugen_do_close(sc, endptno, FREAD0x0001|FWRITE0x0002); | |||
802 | } | |||
803 | return (0); | |||
804 | } | |||
805 | ||||
806 | void | |||
807 | ugenintr(struct usbd_xfer *xfer, void *addr, usbd_status status) | |||
808 | { | |||
809 | struct ugen_endpoint *sce = addr; | |||
810 | /*struct ugen_softc *sc = sce->sc;*/ | |||
811 | u_int32_t count; | |||
812 | u_char *ibuf; | |||
813 | ||||
814 | if (status == USBD_CANCELLED) | |||
815 | return; | |||
816 | ||||
817 | if (status != USBD_NORMAL_COMPLETION) { | |||
818 | DPRINTF(("ugenintr: status=%d\n", status)); | |||
819 | if (status == USBD_STALLED) | |||
820 | usbd_clear_endpoint_stall_async(sce->pipeh); | |||
821 | return; | |||
822 | } | |||
823 | ||||
824 | usbd_get_xfer_status(xfer, NULL((void *)0), NULL((void *)0), &count, NULL((void *)0)); | |||
825 | ibuf = sce->ibuf; | |||
826 | ||||
827 | DPRINTFN(5, ("ugenintr: xfer=%p status=%d count=%d\n", | |||
828 | xfer, status, count)); | |||
829 | DPRINTFN(5, (" data = %02x %02x %02x\n", | |||
830 | ibuf[0], ibuf[1], ibuf[2])); | |||
831 | ||||
832 | (void)b_to_q(ibuf, count, &sce->q); | |||
833 | ||||
834 | if (sce->state & UGEN_ASLP0x02) { | |||
835 | sce->state &= ~UGEN_ASLP0x02; | |||
836 | DPRINTFN(5, ("ugen_intr: waking %p\n", sce)); | |||
837 | wakeup(sce); | |||
838 | } | |||
839 | selwakeup(&sce->rsel); | |||
840 | } | |||
841 | ||||
842 | void | |||
843 | ugen_isoc_rintr(struct usbd_xfer *xfer, void *addr, usbd_status status) | |||
844 | { | |||
845 | struct isoreq *req = addr; | |||
846 | struct ugen_endpoint *sce = req->sce; | |||
847 | u_int32_t count, n; | |||
848 | int i, isize; | |||
849 | ||||
850 | /* Return if we are aborting. */ | |||
851 | if (status == USBD_CANCELLED) | |||
852 | return; | |||
853 | ||||
854 | usbd_get_xfer_status(xfer, NULL((void *)0), NULL((void *)0), &count, NULL((void *)0)); | |||
855 | DPRINTFN(5,("%s: xfer %ld, count=%d\n", __func__, req - sce->isoreqs, | |||
856 | count)); | |||
857 | ||||
858 | /* throw away oldest input if the buffer is full */ | |||
859 | if(sce->fill < sce->cur && sce->cur <= sce->fill + count) { | |||
860 | sce->cur += count; | |||
861 | if(sce->cur >= sce->limit) | |||
862 | sce->cur = sce->ibuf + (sce->limit - sce->cur); | |||
863 | DPRINTFN(5, ("%s: throwing away %d bytes\n", __func__, count)); | |||
864 | } | |||
865 | ||||
866 | isize = UGETW(sce->edesc->wMaxPacketSize)(*(u_int16_t *)(sce->edesc->wMaxPacketSize)); | |||
867 | for (i = 0; i < UGEN_NISORFRMS4; i++) { | |||
868 | u_int32_t actlen = req->sizes[i]; | |||
869 | char const *buf = (char const *)req->dmabuf + isize * i; | |||
870 | ||||
871 | /* copy data to buffer */ | |||
872 | while (actlen > 0) { | |||
873 | n = min(actlen, sce->limit - sce->fill); | |||
874 | memcpy(sce->fill, buf, n)__builtin_memcpy((sce->fill), (buf), (n)); | |||
875 | ||||
876 | buf += n; | |||
877 | actlen -= n; | |||
878 | sce->fill += n; | |||
879 | if(sce->fill == sce->limit) | |||
880 | sce->fill = sce->ibuf; | |||
881 | } | |||
882 | ||||
883 | /* setup size for next transfer */ | |||
884 | req->sizes[i] = isize; | |||
885 | } | |||
886 | ||||
887 | usbd_setup_isoc_xfer(xfer, sce->pipeh, req, req->sizes, UGEN_NISORFRMS4, | |||
888 | USBD_NO_COPY0x01 | USBD_SHORT_XFER_OK0x04, ugen_isoc_rintr); | |||
889 | (void)usbd_transfer(xfer); | |||
890 | ||||
891 | if (sce->state & UGEN_ASLP0x02) { | |||
892 | sce->state &= ~UGEN_ASLP0x02; | |||
893 | DPRINTFN(5, ("ugen_isoc_rintr: waking %p\n", sce)); | |||
894 | wakeup(sce); | |||
895 | } | |||
896 | selwakeup(&sce->rsel); | |||
897 | } | |||
898 | ||||
899 | int | |||
900 | ugen_set_interface(struct ugen_softc *sc, int ifaceno, int altno) | |||
901 | { | |||
902 | struct usbd_interface *iface; | |||
903 | usb_config_descriptor_t *cdesc; | |||
904 | usb_interface_descriptor_t *id; | |||
905 | usb_endpoint_descriptor_t *ed; | |||
906 | struct ugen_endpoint *sce; | |||
907 | uint8_t endptno, endpt; | |||
908 | int dir, err; | |||
909 | ||||
910 | DPRINTFN(15, ("ugen_set_interface %d %d\n", ifaceno, altno)); | |||
911 | ||||
912 | cdesc = usbd_get_config_descriptor(sc->sc_udev); | |||
913 | if (ifaceno < 0 || ifaceno >= cdesc->bNumInterfaces || | |||
914 | usbd_iface_claimed(sc->sc_udev, ifaceno)) | |||
915 | return (USBD_INVAL); | |||
916 | ||||
917 | err = usbd_device2interface_handle(sc->sc_udev, ifaceno, &iface); | |||
918 | if (err) | |||
919 | return (err); | |||
920 | id = usbd_get_interface_descriptor(iface); | |||
921 | for (endptno = 0; endptno < id->bNumEndpoints; endptno++) { | |||
922 | ed = usbd_interface2endpoint_descriptor(iface,endptno); | |||
923 | endpt = ed->bEndpointAddress; | |||
924 | dir = UE_GET_DIR(endpt)((endpt) & 0x80) == UE_DIR_IN0x80 ? IN1 : OUT0; | |||
925 | sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)((endpt) & 0x0f)][dir]; | |||
926 | sce->sc = 0; | |||
927 | sce->edesc = 0; | |||
928 | sce->iface = 0; | |||
929 | } | |||
930 | ||||
931 | /* Try to change setting, if this fails put back the descriptors. */ | |||
932 | err = usbd_set_interface(iface, altno); | |||
933 | ||||
934 | id = usbd_get_interface_descriptor(iface); | |||
935 | for (endptno = 0; endptno < id->bNumEndpoints; endptno++) { | |||
936 | ed = usbd_interface2endpoint_descriptor(iface,endptno); | |||
937 | endpt = ed->bEndpointAddress; | |||
938 | dir = UE_GET_DIR(endpt)((endpt) & 0x80) == UE_DIR_IN0x80 ? IN1 : OUT0; | |||
939 | sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)((endpt) & 0x0f)][dir]; | |||
940 | sce->sc = sc; | |||
941 | sce->edesc = ed; | |||
942 | sce->iface = iface; | |||
943 | } | |||
944 | return (err); | |||
945 | } | |||
946 | ||||
947 | int | |||
948 | ugen_get_alt_index(struct ugen_softc *sc, int ifaceno) | |||
949 | { | |||
950 | struct usbd_interface *iface; | |||
951 | usbd_status err; | |||
952 | ||||
953 | err = usbd_device2interface_handle(sc->sc_udev, ifaceno, &iface); | |||
954 | if (err) | |||
955 | return (-1); | |||
956 | return (usbd_get_interface_altindex(iface)); | |||
957 | } | |||
958 | ||||
959 | int | |||
960 | ugen_do_ioctl(struct ugen_softc *sc, int endpt, u_long cmd, caddr_t addr, | |||
961 | int flag, struct proc *p) | |||
962 | { | |||
963 | struct ugen_endpoint *sce; | |||
964 | int err, cdesc_len; | |||
965 | struct usbd_interface *iface; | |||
966 | struct usb_config_desc *cd; | |||
967 | usb_config_descriptor_t *cdesc; | |||
968 | struct usb_interface_desc *id; | |||
969 | usb_interface_descriptor_t *idesc; | |||
970 | struct usb_endpoint_desc *ed; | |||
971 | usb_endpoint_descriptor_t *edesc; | |||
972 | struct usb_alt_interface *ai; | |||
973 | u_int8_t conf, alt; | |||
974 | ||||
975 | DPRINTFN(5, ("ugenioctl: cmd=%08lx\n", cmd)); | |||
976 | if (usbd_is_dying(sc->sc_udev)) | |||
| ||||
977 | return (EIO5); | |||
978 | ||||
979 | switch (cmd) { | |||
980 | case FIONBIO((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) << 16) | ((('f')) << 8) | ((126))): | |||
981 | /* All handled in the upper FS layer. */ | |||
982 | return (0); | |||
983 | case USB_SET_SHORT_XFER((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) << 16) | ((('U')) << 8) | ((113))): | |||
984 | if (endpt == USB_CONTROL_ENDPOINT0) | |||
985 | return (EINVAL22); | |||
986 | /* This flag only affects read */ | |||
987 | sce = &sc->sc_endpoints[endpt][IN1]; | |||
988 | if (sce == NULL((void *)0) || sce->pipeh == NULL((void *)0)) | |||
989 | return (EINVAL22); | |||
990 | if (*(int *)addr) | |||
991 | sce->state |= UGEN_SHORT_OK0x04; | |||
992 | else | |||
993 | sce->state &= ~UGEN_SHORT_OK0x04; | |||
994 | return (0); | |||
995 | case USB_SET_TIMEOUT((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) << 16) | ((('U')) << 8) | ((114))): | |||
996 | sce = &sc->sc_endpoints[endpt][IN1]; | |||
997 | if (sce == NULL((void *)0)) | |||
998 | return (EINVAL22); | |||
999 | sce->timeout = *(int *)addr; | |||
1000 | sce = &sc->sc_endpoints[endpt][OUT0]; | |||
1001 | if (sce == NULL((void *)0)) | |||
1002 | return (EINVAL22); | |||
1003 | sce->timeout = *(int *)addr; | |||
1004 | return (0); | |||
1005 | default: | |||
1006 | break; | |||
1007 | } | |||
1008 | ||||
1009 | if (endpt != USB_CONTROL_ENDPOINT0) | |||
1010 | return (EINVAL22); | |||
1011 | ||||
1012 | switch (cmd) { | |||
1013 | #ifdef UGEN_DEBUG | |||
1014 | case USB_SETDEBUG((unsigned long)0x80000000 | ((sizeof(unsigned int) & 0x1fff ) << 16) | ((('U')) << 8) | ((2))): | |||
1015 | ugendebug = *(int *)addr; | |||
1016 | break; | |||
1017 | #endif | |||
1018 | case USB_GET_CONFIG((unsigned long)0x40000000 | ((sizeof(int) & 0x1fff) << 16) | ((('U')) << 8) | ((100))): | |||
1019 | err = usbd_get_config(sc->sc_udev, &conf); | |||
1020 | if (err) | |||
1021 | return (EIO5); | |||
1022 | *(int *)addr = conf; | |||
1023 | break; | |||
1024 | case USB_SET_CONFIG((unsigned long)0x80000000 | ((sizeof(int) & 0x1fff) << 16) | ((('U')) << 8) | ((101))): | |||
1025 | if (!(flag & FWRITE0x0002)) | |||
1026 | return (EPERM1); | |||
1027 | err = ugen_set_config(sc, *(int *)addr); | |||
1028 | switch (err) { | |||
1029 | case USBD_NORMAL_COMPLETION: | |||
1030 | break; | |||
1031 | case USBD_IN_USE: | |||
1032 | return (EBUSY16); | |||
1033 | default: | |||
1034 | return (EIO5); | |||
1035 | } | |||
1036 | break; | |||
1037 | case USB_GET_ALTINTERFACE(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_alt_interface) & 0x1fff) << 16) | ((('U' )) << 8) | ((102))): | |||
1038 | ai = (struct usb_alt_interface *)addr; | |||
1039 | err = usbd_device2interface_handle(sc->sc_udev, | |||
1040 | ai->uai_interface_index, &iface); | |||
1041 | if (err) | |||
1042 | return (EINVAL22); | |||
1043 | idesc = usbd_get_interface_descriptor(iface); | |||
1044 | if (idesc == NULL((void *)0)) | |||
1045 | return (EIO5); | |||
1046 | ai->uai_alt_no = idesc->bAlternateSetting; | |||
1047 | break; | |||
1048 | case USB_SET_ALTINTERFACE(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_alt_interface) & 0x1fff) << 16) | ((('U' )) << 8) | ((103))): | |||
1049 | if (!(flag & FWRITE0x0002)) | |||
1050 | return (EPERM1); | |||
1051 | ai = (struct usb_alt_interface *)addr; | |||
1052 | err = usbd_device2interface_handle(sc->sc_udev, | |||
1053 | ai->uai_interface_index, &iface); | |||
1054 | if (err) | |||
1055 | return (EINVAL22); | |||
1056 | err = ugen_set_interface(sc, ai->uai_interface_index, | |||
1057 | ai->uai_alt_no); | |||
1058 | if (err) | |||
1059 | return (EINVAL22); | |||
1060 | break; | |||
1061 | case USB_GET_NO_ALT(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_alt_interface) & 0x1fff) << 16) | ((('U' )) << 8) | ((104))): | |||
1062 | ai = (struct usb_alt_interface *)addr; | |||
1063 | cdesc = usbd_get_cdesc(sc->sc_udev, ai->uai_config_index, | |||
1064 | &cdesc_len); | |||
1065 | if (cdesc == NULL((void *)0)) | |||
1066 | return (EINVAL22); | |||
1067 | idesc = usbd_find_idesc(cdesc, ai->uai_interface_index, 0); | |||
1068 | if (idesc == NULL((void *)0)) { | |||
1069 | free(cdesc, M_TEMP127, UGETW(cdesc->wTotalLength)(*(u_int16_t *)(cdesc->wTotalLength))); | |||
1070 | return (EINVAL22); | |||
1071 | } | |||
1072 | ai->uai_alt_no = usbd_get_no_alts(cdesc, | |||
1073 | idesc->bInterfaceNumber); | |||
1074 | free(cdesc, M_TEMP127, cdesc_len); | |||
1075 | break; | |||
1076 | case USB_GET_DEVICE_DESC((unsigned long)0x40000000 | ((sizeof(usb_device_descriptor_t ) & 0x1fff) << 16) | ((('U')) << 8) | ((105)) ): | |||
1077 | *(usb_device_descriptor_t *)addr = | |||
1078 | *usbd_get_device_descriptor(sc->sc_udev); | |||
1079 | break; | |||
1080 | case USB_GET_CONFIG_DESC(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_config_desc) & 0x1fff) << 16) | ((('U') ) << 8) | ((106))): | |||
1081 | cd = (struct usb_config_desc *)addr; | |||
1082 | cdesc = usbd_get_cdesc(sc->sc_udev, cd->ucd_config_index, | |||
1083 | &cdesc_len); | |||
1084 | if (cdesc == NULL((void *)0)) | |||
1085 | return (EINVAL22); | |||
1086 | cd->ucd_desc = *cdesc; | |||
1087 | free(cdesc, M_TEMP127, cdesc_len); | |||
1088 | break; | |||
1089 | case USB_GET_INTERFACE_DESC(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_interface_desc) & 0x1fff) << 16) | ((('U' )) << 8) | ((107))): | |||
1090 | id = (struct usb_interface_desc *)addr; | |||
1091 | cdesc = usbd_get_cdesc(sc->sc_udev, id->uid_config_index, | |||
1092 | &cdesc_len); | |||
1093 | if (cdesc == NULL((void *)0)) | |||
1094 | return (EINVAL22); | |||
1095 | if (id->uid_config_index == USB_CURRENT_CONFIG_INDEX(-1) && | |||
1096 | id->uid_alt_index == USB_CURRENT_ALT_INDEX(-1)) | |||
1097 | alt = ugen_get_alt_index(sc, id->uid_interface_index); | |||
1098 | else | |||
1099 | alt = id->uid_alt_index; | |||
1100 | idesc = usbd_find_idesc(cdesc, id->uid_interface_index, alt); | |||
1101 | if (idesc == NULL((void *)0)) { | |||
1102 | free(cdesc, M_TEMP127, UGETW(cdesc->wTotalLength)(*(u_int16_t *)(cdesc->wTotalLength))); | |||
1103 | return (EINVAL22); | |||
1104 | } | |||
1105 | id->uid_desc = *idesc; | |||
1106 | free(cdesc, M_TEMP127, cdesc_len); | |||
1107 | break; | |||
1108 | case USB_GET_ENDPOINT_DESC(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_endpoint_desc) & 0x1fff) << 16) | ((('U' )) << 8) | ((108))): | |||
1109 | ed = (struct usb_endpoint_desc *)addr; | |||
1110 | cdesc = usbd_get_cdesc(sc->sc_udev, ed->ued_config_index, | |||
1111 | &cdesc_len); | |||
1112 | if (cdesc == NULL((void *)0)) | |||
1113 | return (EINVAL22); | |||
1114 | if (ed->ued_config_index == USB_CURRENT_CONFIG_INDEX(-1) && | |||
1115 | ed->ued_alt_index == USB_CURRENT_ALT_INDEX(-1)) | |||
1116 | alt = ugen_get_alt_index(sc, ed->ued_interface_index); | |||
1117 | else | |||
1118 | alt = ed->ued_alt_index; | |||
1119 | edesc = usbd_find_edesc(cdesc, ed->ued_interface_index, | |||
1120 | alt, ed->ued_endpoint_index); | |||
1121 | if (edesc == NULL((void *)0)) { | |||
1122 | free(cdesc, M_TEMP127, UGETW(cdesc->wTotalLength)(*(u_int16_t *)(cdesc->wTotalLength))); | |||
1123 | return (EINVAL22); | |||
1124 | } | |||
1125 | ed->ued_desc = *edesc; | |||
1126 | free(cdesc, M_TEMP127, cdesc_len); | |||
1127 | break; | |||
1128 | case USB_GET_FULL_DESC(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_full_desc) & 0x1fff) << 16) | ((('U')) << 8) | ((109))): | |||
1129 | { | |||
1130 | u_int len; | |||
1131 | struct iovec iov; | |||
1132 | struct uio uio; | |||
1133 | struct usb_full_desc *fd = (struct usb_full_desc *)addr; | |||
1134 | int error; | |||
1135 | ||||
1136 | cdesc = usbd_get_cdesc(sc->sc_udev, fd->ufd_config_index, | |||
1137 | &cdesc_len); | |||
1138 | if (cdesc == NULL((void *)0)) | |||
1139 | return (EINVAL22); | |||
1140 | len = cdesc_len; | |||
1141 | if (len > fd->ufd_size) | |||
1142 | len = fd->ufd_size; | |||
1143 | iov.iov_base = (caddr_t)fd->ufd_data; | |||
1144 | iov.iov_len = len; | |||
1145 | uio.uio_iov = &iov; | |||
1146 | uio.uio_iovcnt = 1; | |||
1147 | uio.uio_resid = len; | |||
1148 | uio.uio_offset = 0; | |||
1149 | uio.uio_segflg = UIO_USERSPACE; | |||
1150 | uio.uio_rw = UIO_READ; | |||
1151 | uio.uio_procp = p; | |||
1152 | error = uiomove((void *)cdesc, len, &uio); | |||
1153 | free(cdesc, M_TEMP127, cdesc_len); | |||
1154 | return (error); | |||
1155 | } | |||
1156 | case USB_DO_REQUEST(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_ctl_request) & 0x1fff) << 16) | ((('U') ) << 8) | ((111))): | |||
1157 | { | |||
1158 | struct usb_ctl_request *ur = (void *)addr; | |||
1159 | size_t len = UGETW(ur->ucr_request.wLength)(*(u_int16_t *)(ur->ucr_request.wLength)), mlen; | |||
1160 | struct iovec iov; | |||
1161 | struct uio uio; | |||
1162 | void *ptr = NULL((void *)0); | |||
1163 | int error = 0; | |||
1164 | ||||
1165 | if (!(flag & FWRITE0x0002)) | |||
1166 | return (EPERM1); | |||
1167 | /* Avoid requests that would damage the bus integrity. */ | |||
1168 | if ((ur->ucr_request.bmRequestType == UT_WRITE_DEVICE(0x00 | 0x00 | 0x00) && | |||
1169 | ur->ucr_request.bRequest == UR_SET_ADDRESS0x05) || | |||
1170 | (ur->ucr_request.bmRequestType == UT_WRITE_DEVICE(0x00 | 0x00 | 0x00) && | |||
1171 | ur->ucr_request.bRequest == UR_SET_CONFIG0x09) || | |||
1172 | (ur->ucr_request.bmRequestType == UT_WRITE_INTERFACE(0x00 | 0x00 | 0x01) && | |||
1173 | ur->ucr_request.bRequest == UR_SET_INTERFACE0x0b)) | |||
1174 | return (EINVAL22); | |||
1175 | ||||
1176 | if (len > 32767) | |||
1177 | return (EINVAL22); | |||
1178 | if (len != 0) { | |||
1179 | iov.iov_base = (caddr_t)ur->ucr_data; | |||
1180 | iov.iov_len = len; | |||
1181 | uio.uio_iov = &iov; | |||
1182 | uio.uio_iovcnt = 1; | |||
1183 | uio.uio_resid = len; | |||
1184 | uio.uio_offset = 0; | |||
1185 | uio.uio_segflg = UIO_USERSPACE; | |||
1186 | uio.uio_rw = | |||
1187 | ur->ucr_request.bmRequestType & UT_READ0x80 ? | |||
1188 | UIO_READ : UIO_WRITE; | |||
1189 | uio.uio_procp = p; | |||
1190 | if ((ptr = malloc(len, M_TEMP127, M_NOWAIT0x0002)) == NULL((void *)0)) { | |||
1191 | error = ENOMEM12; | |||
1192 | goto ret; | |||
1193 | } | |||
1194 | if (uio.uio_rw == UIO_WRITE) { | |||
1195 | error = uiomove(ptr, len, &uio); | |||
1196 | if (error) | |||
1197 | goto ret; | |||
1198 | } | |||
1199 | } | |||
1200 | sce = &sc->sc_endpoints[endpt][IN1]; | |||
1201 | err = usbd_do_request_flags(sc->sc_udev, &ur->ucr_request, | |||
1202 | ptr, ur->ucr_flags, &ur->ucr_actlen, sce->timeout); | |||
1203 | if (err) { | |||
1204 | error = EIO5; | |||
1205 | goto ret; | |||
1206 | } | |||
1207 | /* Only if USBD_SHORT_XFER_OK is set. */ | |||
1208 | mlen = len; | |||
1209 | if (mlen > ur->ucr_actlen) | |||
1210 | mlen = ur->ucr_actlen; | |||
1211 | if (mlen
| |||
1212 | if (uio.uio_rw == UIO_READ) { | |||
| ||||
1213 | error = uiomove(ptr, mlen, &uio); | |||
1214 | if (error) | |||
1215 | goto ret; | |||
1216 | } | |||
1217 | } | |||
1218 | ret: | |||
1219 | free(ptr, M_TEMP127, len); | |||
1220 | return (error); | |||
1221 | } | |||
1222 | case USB_GET_DEVICEINFO((unsigned long)0x40000000 | ((sizeof(struct usb_device_info) & 0x1fff) << 16) | ((('U')) << 8) | ((112))): | |||
1223 | usbd_fill_deviceinfo(sc->sc_udev, | |||
1224 | (struct usb_device_info *)addr); | |||
1225 | break; | |||
1226 | default: | |||
1227 | return (EINVAL22); | |||
1228 | } | |||
1229 | return (0); | |||
1230 | } | |||
1231 | ||||
1232 | int | |||
1233 | ugenioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) | |||
1234 | { | |||
1235 | int endpt = UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf); | |||
1236 | struct ugen_softc *sc; | |||
1237 | int error; | |||
1238 | ||||
1239 | sc = ugen_cd.cd_devs[UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf)]; | |||
1240 | ||||
1241 | sc->sc_refcnt++; | |||
1242 | error = ugen_do_ioctl(sc, endpt, cmd, addr, flag, p); | |||
1243 | if (--sc->sc_refcnt < 0) | |||
1244 | usb_detach_wakeup(&sc->sc_dev); | |||
1245 | return (error); | |||
1246 | } | |||
1247 | ||||
1248 | int | |||
1249 | ugenpoll(dev_t dev, int events, struct proc *p) | |||
1250 | { | |||
1251 | struct ugen_softc *sc; | |||
1252 | struct ugen_endpoint *sce; | |||
1253 | int revents = 0; | |||
1254 | int s; | |||
1255 | ||||
1256 | sc = ugen_cd.cd_devs[UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf)]; | |||
1257 | ||||
1258 | if (usbd_is_dying(sc->sc_udev)) | |||
1259 | return (POLLERR0x0008); | |||
1260 | ||||
1261 | /* XXX always IN */ | |||
1262 | sce = &sc->sc_endpoints[UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf)][IN1]; | |||
1263 | if (sce == NULL((void *)0)) | |||
1264 | return (POLLERR0x0008); | |||
1265 | #ifdef DIAGNOSTIC1 | |||
1266 | if (!sce->edesc) { | |||
1267 | printf("ugenpoll: no edesc\n"); | |||
1268 | return (POLLERR0x0008); | |||
1269 | } | |||
1270 | if (!sce->pipeh) { | |||
1271 | printf("ugenpoll: no pipe\n"); | |||
1272 | return (POLLERR0x0008); | |||
1273 | } | |||
1274 | #endif | |||
1275 | s = splusb()splraise(0x5); | |||
1276 | switch (UE_GET_XFERTYPE(sce->edesc->bmAttributes)((sce->edesc->bmAttributes) & 0x03)) { | |||
1277 | case UE_INTERRUPT0x03: | |||
1278 | if (events & (POLLIN0x0001 | POLLRDNORM0x0040)) { | |||
1279 | if (sce->q.c_cc > 0) | |||
1280 | revents |= events & (POLLIN0x0001 | POLLRDNORM0x0040); | |||
1281 | else | |||
1282 | selrecord(p, &sce->rsel); | |||
1283 | } | |||
1284 | break; | |||
1285 | case UE_ISOCHRONOUS0x01: | |||
1286 | if (events & (POLLIN0x0001 | POLLRDNORM0x0040)) { | |||
1287 | if (sce->cur != sce->fill) | |||
1288 | revents |= events & (POLLIN0x0001 | POLLRDNORM0x0040); | |||
1289 | else | |||
1290 | selrecord(p, &sce->rsel); | |||
1291 | } | |||
1292 | break; | |||
1293 | case UE_BULK0x02: | |||
1294 | /* | |||
1295 | * We have no easy way of determining if a read will | |||
1296 | * yield any data or a write will happen. | |||
1297 | * Pretend they will. | |||
1298 | */ | |||
1299 | revents |= events & | |||
1300 | (POLLIN0x0001 | POLLRDNORM0x0040 | POLLOUT0x0004 | POLLWRNORM0x0004); | |||
1301 | break; | |||
1302 | default: | |||
1303 | break; | |||
1304 | } | |||
1305 | splx(s)spllower(s); | |||
1306 | return (revents); | |||
1307 | } | |||
1308 | ||||
1309 | void filt_ugenrdetach(struct knote *); | |||
1310 | int filt_ugenread_intr(struct knote *, long); | |||
1311 | int filt_ugenread_isoc(struct knote *, long); | |||
1312 | int ugenkqfilter(dev_t, struct knote *); | |||
1313 | ||||
1314 | void | |||
1315 | filt_ugenrdetach(struct knote *kn) | |||
1316 | { | |||
1317 | struct ugen_endpoint *sce = (void *)kn->kn_hook; | |||
1318 | int s; | |||
1319 | ||||
1320 | s = splusb()splraise(0x5); | |||
1321 | klist_remove_locked(&sce->rsel.si_note, kn); | |||
1322 | splx(s)spllower(s); | |||
1323 | } | |||
1324 | ||||
1325 | int | |||
1326 | filt_ugenread_intr(struct knote *kn, long hint) | |||
1327 | { | |||
1328 | struct ugen_endpoint *sce = (void *)kn->kn_hook; | |||
1329 | ||||
1330 | kn->kn_datakn_kevent.data = sce->q.c_cc; | |||
1331 | return (kn->kn_datakn_kevent.data > 0); | |||
1332 | } | |||
1333 | ||||
1334 | int | |||
1335 | filt_ugenread_isoc(struct knote *kn, long hint) | |||
1336 | { | |||
1337 | struct ugen_endpoint *sce = (void *)kn->kn_hook; | |||
1338 | ||||
1339 | if (sce->cur == sce->fill) | |||
1340 | return (0); | |||
1341 | ||||
1342 | if (sce->cur < sce->fill) | |||
1343 | kn->kn_datakn_kevent.data = sce->fill - sce->cur; | |||
1344 | else | |||
1345 | kn->kn_datakn_kevent.data = (sce->limit - sce->cur) + | |||
1346 | (sce->fill - sce->ibuf); | |||
1347 | ||||
1348 | return (1); | |||
1349 | } | |||
1350 | ||||
1351 | const struct filterops ugenread_intr_filtops = { | |||
1352 | .f_flags = FILTEROP_ISFD0x00000001, | |||
1353 | .f_attach = NULL((void *)0), | |||
1354 | .f_detach = filt_ugenrdetach, | |||
1355 | .f_event = filt_ugenread_intr, | |||
1356 | }; | |||
1357 | ||||
1358 | const struct filterops ugenread_isoc_filtops = { | |||
1359 | .f_flags = FILTEROP_ISFD0x00000001, | |||
1360 | .f_attach = NULL((void *)0), | |||
1361 | .f_detach = filt_ugenrdetach, | |||
1362 | .f_event = filt_ugenread_isoc, | |||
1363 | }; | |||
1364 | ||||
1365 | int | |||
1366 | ugenkqfilter(dev_t dev, struct knote *kn) | |||
1367 | { | |||
1368 | struct ugen_softc *sc; | |||
1369 | struct ugen_endpoint *sce; | |||
1370 | struct klist *klist; | |||
1371 | int s; | |||
1372 | ||||
1373 | sc = ugen_cd.cd_devs[UGENUNIT(dev)((((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) >> 4) & 0xf)]; | |||
1374 | ||||
1375 | if (usbd_is_dying(sc->sc_udev)) | |||
1376 | return (ENXIO6); | |||
1377 | ||||
1378 | /* XXX always IN */ | |||
1379 | sce = &sc->sc_endpoints[UGENENDPOINT(dev)(((unsigned)((dev) & 0xff) | (((dev) & 0xffff0000) >> 8)) & 0xf)][IN1]; | |||
1380 | if (sce == NULL((void *)0)) | |||
1381 | return (ENXIO6); | |||
1382 | ||||
1383 | switch (kn->kn_filterkn_kevent.filter) { | |||
1384 | case EVFILT_READ(-1): | |||
1385 | klist = &sce->rsel.si_note; | |||
1386 | switch (UE_GET_XFERTYPE(sce->edesc->bmAttributes)((sce->edesc->bmAttributes) & 0x03)) { | |||
1387 | case UE_INTERRUPT0x03: | |||
1388 | kn->kn_fop = &ugenread_intr_filtops; | |||
1389 | break; | |||
1390 | case UE_ISOCHRONOUS0x01: | |||
1391 | kn->kn_fop = &ugenread_isoc_filtops; | |||
1392 | break; | |||
1393 | case UE_BULK0x02: | |||
1394 | /* | |||
1395 | * We have no easy way of determining if a read will | |||
1396 | * yield any data or a write will happen. | |||
1397 | */ | |||
1398 | return (seltrue_kqfilter(dev, kn)); | |||
1399 | default: | |||
1400 | return (EINVAL22); | |||
1401 | } | |||
1402 | break; | |||
1403 | ||||
1404 | case EVFILT_WRITE(-2): | |||
1405 | klist = &sce->rsel.si_note; | |||
1406 | switch (UE_GET_XFERTYPE(sce->edesc->bmAttributes)((sce->edesc->bmAttributes) & 0x03)) { | |||
1407 | case UE_INTERRUPT0x03: | |||
1408 | case UE_ISOCHRONOUS0x01: | |||
1409 | /* XXX poll doesn't support this */ | |||
1410 | return (EINVAL22); | |||
1411 | ||||
1412 | case UE_BULK0x02: | |||
1413 | /* | |||
1414 | * We have no easy way of determining if a read will | |||
1415 | * yield any data or a write will happen. | |||
1416 | */ | |||
1417 | return (seltrue_kqfilter(dev, kn)); | |||
1418 | default: | |||
1419 | return (EINVAL22); | |||
1420 | } | |||
1421 | break; | |||
1422 | ||||
1423 | default: | |||
1424 | return (EINVAL22); | |||
1425 | } | |||
1426 | ||||
1427 | kn->kn_hook = (void *)sce; | |||
1428 | ||||
1429 | s = splusb()splraise(0x5); | |||
1430 | klist_insert_locked(klist, kn); | |||
1431 | splx(s)spllower(s); | |||
1432 | ||||
1433 | return (0); | |||
1434 | } | |||
1435 | ||||
1436 | void | |||
1437 | ugen_clear_iface_eps(struct ugen_softc *sc, struct usbd_interface *iface) | |||
1438 | { | |||
1439 | usb_interface_descriptor_t *id; | |||
1440 | usb_endpoint_descriptor_t *ed; | |||
1441 | uint8_t xfertype; | |||
1442 | int i; | |||
1443 | ||||
1444 | /* Only clear interface endpoints when none are in use. */ | |||
1445 | for (i = 0; i < USB_MAX_ENDPOINTS16; i++) { | |||
1446 | if (i == USB_CONTROL_ENDPOINT0) | |||
1447 | continue; | |||
1448 | if (sc->sc_is_open[i] != 0) | |||
1449 | return; | |||
1450 | } | |||
1451 | DPRINTFN(1,("%s: clear interface eps\n", __func__)); | |||
1452 | ||||
1453 | id = usbd_get_interface_descriptor(iface); | |||
1454 | if (id == NULL((void *)0)) | |||
1455 | goto bad; | |||
1456 | ||||
1457 | for (i = 0; i < id->bNumEndpoints; i++) { | |||
1458 | ed = usbd_interface2endpoint_descriptor(iface, i); | |||
1459 | if (ed == NULL((void *)0)) | |||
1460 | goto bad; | |||
1461 | ||||
1462 | xfertype = UE_GET_XFERTYPE(ed->bmAttributes)((ed->bmAttributes) & 0x03); | |||
1463 | if (xfertype == UE_BULK0x02 || xfertype == UE_INTERRUPT0x03) { | |||
1464 | if (usbd_clear_endpoint_feature(sc->sc_udev, | |||
1465 | ed->bEndpointAddress, UF_ENDPOINT_HALT0)) | |||
1466 | goto bad; | |||
1467 | } | |||
1468 | } | |||
1469 | return; | |||
1470 | bad: | |||
1471 | printf("%s: clear endpoints failed!\n", __func__); | |||
1472 | } |