2 * Copyright (c) 2001 M. Warner Losh
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * This code is based on ugen.c and ulpt.c developed by Lennart Augustsson.
27 * This code includes software developed by the NetBSD Foundation, Inc. and
31 /* $FreeBSD: src/sys/dev/usb/ufm.c,v 1.1.2.3 2002/11/06 14:41:01 joe Exp $ */
32 /* $DragonFly: src/sys/dev/usbmisc/ufm/ufm.c,v 1.3 2003/07/21 05:50:37 dillon Exp $ */
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/malloc.h>
38 #if defined(__NetBSD__)
39 #include <sys/device.h>
40 #include <sys/ioctl.h>
41 #elif defined(__FreeBSD__)
42 #include <sys/module.h>
44 #include <sys/ioccom.h>
46 #include <sys/fcntl.h>
47 #include <sys/filio.h>
52 #if __FreeBSD_version >= 500014
53 #include <sys/selinfo.h>
55 #include <sys/select.h>
57 #include <sys/vnode.h>
59 #include <sys/sysctl.h>
61 #include <dev/usb/usb.h>
62 #include <dev/usb/usbdi.h>
63 #include <dev/usb/usbdi_util.h>
65 #include <dev/usb/usbdevs.h>
66 #include <dev/usb/dsbr100io.h>
69 #define DPRINTF(x) if (ufmdebug) logprintf x
70 #define DPRINTFN(n,x) if (ufmdebug>(n)) logprintf x
72 SYSCTL_NODE(_hw_usb, OID_AUTO, ufm, CTLFLAG_RW, 0, "USB ufm");
73 SYSCTL_INT(_hw_usb_ufm, OID_AUTO, debug, CTLFLAG_RW,
74 &ufmdebug, 0, "ufm debug level");
80 #if defined(__NetBSD__) || defined(__OpenBSD__)
81 int ufmopen(dev_t, int, int, usb_proc_ptr);
82 int ufmclose(dev_t, int, int, usb_proc_ptr);
83 int ufmioctl(dev_t, u_long, caddr_t, int, usb_proc_ptr);
86 #elif defined(__FreeBSD__)
91 #define UFM_CDEV_MAJOR 200
93 Static struct cdevsw ufm_cdevsw = {
95 /* cmaj */ UFM_CDEV_MAJOR,
99 ufmopen, ufmclose, noread, nowrite,
100 ufmioctl, nopoll, nommap, nostrategy,
103 #endif /*defined(__FreeBSD__)*/
106 #define FM_CMD_SET_FREQ 0x01
110 USBBASEDEVICE sc_dev;
111 usbd_device_handle sc_udev;
112 usbd_interface_handle sc_iface;
119 #if defined(__NetBSD__) || defined(__OpenBSD__)
124 #define UFMUNIT(n) (minor(n))
126 USB_DECLARE_DRIVER(ufm);
130 USB_MATCH_START(ufm, uaa);
131 usb_device_descriptor_t *dd;
133 DPRINTFN(10,("ufm_match\n"));
137 dd = usbd_get_device_descriptor(uaa->device);
140 ((UGETW(dd->idVendor) == USB_VENDOR_CYPRESS &&
141 UGETW(dd->idProduct) == USB_PRODUCT_CYPRESS_FMRADIO)))
142 return UMATCH_VENDOR_PRODUCT;
149 USB_ATTACH_START(ufm, sc, uaa);
151 usb_endpoint_descriptor_t *edesc;
152 usbd_device_handle udev;
153 usbd_interface_handle iface;
155 #if defined(__NetBSD__) || defined(__OpenBSD__)
159 char * ermsg = "<none>";
161 DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
162 usbd_devinfo(uaa->device, 0, devinfo);
164 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
166 sc->sc_udev = udev = uaa->device;
168 #if defined(__FreeBSD__)
169 if ((!uaa->device) || (!uaa->iface)) {
170 ermsg = "device or iface";
173 sc->sc_iface = iface = uaa->iface;
174 #elif defined(__NetBSD__) || defined(__OpenBSD__)
179 r = usbd_interface_count(udev, &niface);
184 r = usbd_device2interface_handle(udev, 0, &iface);
189 sc->sc_iface = iface;
194 r = usbd_endpoint_count(iface, &epcount);
195 if (r != USBD_NORMAL_COMPLETION) {
200 edesc = usbd_interface2endpoint_descriptor(iface, 0);
202 ermsg = "interface endpoint";
205 sc->sc_epaddr = edesc->bEndpointAddress;
207 #if defined(__FreeBSD__)
208 /* XXX no error trapping, no storing of dev_t */
209 (void) make_dev(&ufm_cdevsw, device_get_unit(self),
210 UID_ROOT, GID_OPERATOR,
211 0644, "ufm%d", device_get_unit(self));
212 #elif defined(__NetBSD__) || defined(__OpenBSD__)
213 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
217 DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));
219 USB_ATTACH_SUCCESS_RETURN;
222 printf("%s: could not find %s\n", USBDEVNAME(sc->sc_dev),ermsg);
223 USB_ATTACH_ERROR_RETURN;
228 ufmopen(dev_t dev, int flag, int mode, usb_proc_ptr td)
230 struct ufm_softc *sc;
232 int unit = UFMUNIT(dev);
233 USB_GET_SC_OPEN(ufm, unit, sc);
235 DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
241 if ((flag & (FWRITE|FREAD)) != (FWRITE|FREAD))
249 ufmclose(dev_t dev, int flag, int mode, usb_proc_ptr td)
251 struct ufm_softc *sc;
253 int unit = UFMUNIT(dev);
254 USB_GET_SC(ufm, unit, sc);
256 DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n", flag, mode, unit));
263 ufm_do_req(struct ufm_softc *sc, u_int8_t reqtype, u_int8_t request,
264 u_int16_t value, u_int16_t index, u_int8_t len, void *retbuf)
267 usb_device_request_t req;
271 req.bmRequestType = reqtype;
272 req.bRequest = request;
273 USETW(req.wValue, value);
274 USETW(req.wIndex, index);
275 USETW(req.wLength, len);
276 err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL);
279 printf("usbd_do_request_flags returned %#x\n", err);
286 ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
288 int freq = *(int *)addr;
292 * Freq now is in Hz. We need to convert it to the frequency
293 * that the radio wants. This frequency is 10.7MHz above
294 * the actual frequency. We then need to convert to
295 * units of 12.5kHz. We add one to the IFM to make rounding
299 freq = (freq + 10700001) / 12500;
300 /* This appears to set the frequency */
301 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD_SET_FREQ, freq >> 8,
304 /* Not sure what this does */
305 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
312 ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
314 int *valp = (int *)addr;
320 ufm_start(struct ufm_softc *sc, caddr_t addr)
324 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
327 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
336 ufm_stop(struct ufm_softc *sc, caddr_t addr)
340 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
343 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
350 ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
355 * Note, there's a 240ms settle time before the status
356 * will be valid, so tsleep that amount. hz/4 is a good
357 * approximation of that. Since this is a short sleep
358 * we don't try to catch any signals to keep things
361 tsleep(sc, 0, "ufmwait", hz/4);
362 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
371 ufmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, usb_proc_ptr td)
373 struct ufm_softc *sc;
375 int unit = UFMUNIT(dev);
378 USB_GET_SC(ufm, unit, sc);
382 error = ufm_set_freq(sc, addr);
385 error = ufm_get_freq(sc, addr);
388 error = ufm_start(sc, addr);
391 error = ufm_stop(sc, addr);
394 error = ufm_get_stat(sc, addr);
404 #if defined(__NetBSD__) || defined(__OpenBSD__)
406 ufm_activate(device_ptr_t self, enum devact act)
408 struct ufm_softc *sc = (struct ufm_softc *)self;
415 case DVACT_DEACTIVATE:
424 USB_DETACH_START(ufm, sc);
425 struct ufm_endpoint *sce;
428 #if defined(__NetBSD__) || defined(__OpenBSD__)
431 DPRINTF(("ufm_detach: sc=%p flags=%d\n", sc, flags));
432 #elif defined(__FreeBSD__)
433 DPRINTF(("ufm_detach: sc=%p\n", sc));
439 if (--sc->sc_refcnt >= 0) {
440 /* Wait for processes to go away. */
441 usb_detach_wait(USBDEV(sc->sc_dev));
445 #if defined(__NetBSD__) || defined(__OpenBSD__)
446 /* locate the major number */
447 for (maj = 0; maj < nchrdev; maj++)
448 if (cdevsw[maj].d_open == ufmopen)
451 /* Nuke the vnodes for any open instances (calls close). */
452 mn = self->dv_unit * USB_MAX_ENDPOINTS;
453 vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
454 #elif defined(__FreeBSD__)
455 /* XXX not implemented yet */
458 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
463 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
465 #if defined(__FreeBSD__)
467 ufm_detach(device_t self)
469 DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
473 DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, 0);