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
32 * $FreeBSD: src/sys/dev/usb/ufm.c,v 1.16 2003/10/04 21:41:01 joe Exp $
33 * $DragonFly: src/sys/dev/usbmisc/ufm/ufm.c,v 1.9 2005/06/02 20:40:47 dillon Exp $
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #if defined(__NetBSD__)
41 #include <sys/device.h>
42 #include <sys/ioctl.h>
43 #elif defined(__FreeBSD__) || defined(__DragonFly__)
44 #include <sys/module.h>
46 #include <sys/ioccom.h>
48 #include <sys/fcntl.h>
49 #include <sys/filio.h>
54 #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
55 #include <sys/selinfo.h>
57 #include <sys/select.h>
59 #include <sys/vnode.h>
61 #include <sys/sysctl.h>
62 #include <sys/thread2.h>
64 #include <bus/usb/usb.h>
65 #include <bus/usb/usbdi.h>
66 #include <bus/usb/usbdi_util.h>
68 #include <bus/usb/usbdevs.h>
69 #include <bus/usb/dsbr100io.h>
72 #define DPRINTF(x) if (ufmdebug) logprintf x
73 #define DPRINTFN(n,x) if (ufmdebug>(n)) logprintf x
75 SYSCTL_NODE(_hw_usb, OID_AUTO, ufm, CTLFLAG_RW, 0, "USB ufm");
76 SYSCTL_INT(_hw_usb_ufm, OID_AUTO, debug, CTLFLAG_RW,
77 &ufmdebug, 0, "ufm debug level");
83 #if defined(__NetBSD__) || defined(__OpenBSD__)
84 int ufmopen(dev_t, int, int, usb_proc_ptr);
85 int ufmclose(dev_t, int, int, usb_proc_ptr);
86 int ufmioctl(dev_t, u_long, caddr_t, int, usb_proc_ptr);
89 #elif defined(__FreeBSD__) || defined(__DragonFly__)
94 #define UFM_CDEV_MAJOR 200
96 Static struct cdevsw ufm_cdevsw = {
98 /* cmaj */ UFM_CDEV_MAJOR,
102 ufmopen, ufmclose, noread, nowrite,
103 ufmioctl, nopoll, nommap, nostrategy,
106 #endif /*defined(__FreeBSD__)*/
109 #define FM_CMD_SET_FREQ 0x01
113 USBBASEDEVICE sc_dev;
114 usbd_device_handle sc_udev;
115 usbd_interface_handle sc_iface;
122 #if defined(__NetBSD__) || defined(__OpenBSD__)
127 #define UFMUNIT(n) (minor(n))
129 USB_DECLARE_DRIVER(ufm);
133 USB_MATCH_START(ufm, uaa);
134 usb_device_descriptor_t *dd;
136 DPRINTFN(10,("ufm_match\n"));
140 dd = usbd_get_device_descriptor(uaa->device);
143 ((UGETW(dd->idVendor) == USB_VENDOR_CYPRESS &&
144 UGETW(dd->idProduct) == USB_PRODUCT_CYPRESS_FMRADIO)))
145 return UMATCH_VENDOR_PRODUCT;
152 USB_ATTACH_START(ufm, sc, uaa);
154 usb_endpoint_descriptor_t *edesc;
155 usbd_device_handle udev;
156 usbd_interface_handle iface;
158 #if defined(__NetBSD__) || defined(__OpenBSD__)
162 char * ermsg = "<none>";
164 DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
165 usbd_devinfo(uaa->device, 0, devinfo);
167 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
169 sc->sc_udev = udev = uaa->device;
171 #if defined(__FreeBSD__) || defined(__DragonFly__)
172 if ((!uaa->device) || (!uaa->iface)) {
173 ermsg = "device or iface";
176 sc->sc_iface = iface = uaa->iface;
177 #elif defined(__NetBSD__) || defined(__OpenBSD__)
182 r = usbd_interface_count(udev, &niface);
187 r = usbd_device2interface_handle(udev, 0, &iface);
192 sc->sc_iface = iface;
197 r = usbd_endpoint_count(iface, &epcount);
198 if (r != USBD_NORMAL_COMPLETION) {
203 edesc = usbd_interface2endpoint_descriptor(iface, 0);
205 ermsg = "interface endpoint";
208 sc->sc_epaddr = edesc->bEndpointAddress;
210 #if defined(__FreeBSD__) || defined(__DragonFly__)
211 /* XXX no error trapping, no storing of dev_t */
212 cdevsw_add(&ufm_cdevsw, -1, device_get_unit(self));
213 make_dev(&ufm_cdevsw, device_get_unit(self),
214 UID_ROOT, GID_OPERATOR,
215 0644, "ufm%d", device_get_unit(self));
216 #elif defined(__NetBSD__) || defined(__OpenBSD__)
217 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
221 DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));
223 USB_ATTACH_SUCCESS_RETURN;
226 printf("%s: could not find %s\n", USBDEVNAME(sc->sc_dev),ermsg);
227 USB_ATTACH_ERROR_RETURN;
232 ufmopen(dev_t dev, int flag, int mode, usb_proc_ptr td)
234 struct ufm_softc *sc;
236 int unit = UFMUNIT(dev);
237 USB_GET_SC_OPEN(ufm, unit, sc);
239 DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
245 if ((flag & (FWRITE|FREAD)) != (FWRITE|FREAD))
253 ufmclose(dev_t dev, int flag, int mode, usb_proc_ptr td)
255 struct ufm_softc *sc;
257 int unit = UFMUNIT(dev);
258 USB_GET_SC(ufm, unit, sc);
260 DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n", flag, mode, unit));
267 ufm_do_req(struct ufm_softc *sc, u_int8_t reqtype, u_int8_t request,
268 u_int16_t value, u_int16_t index, u_int8_t len, void *retbuf)
270 usb_device_request_t req;
274 req.bmRequestType = reqtype;
275 req.bRequest = request;
276 USETW(req.wValue, value);
277 USETW(req.wIndex, index);
278 USETW(req.wLength, len);
279 err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL,
280 USBD_DEFAULT_TIMEOUT);
283 printf("usbd_do_request_flags returned %#x\n", err);
290 ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
292 int freq = *(int *)addr;
296 * Freq now is in Hz. We need to convert it to the frequency
297 * that the radio wants. This frequency is 10.7MHz above
298 * the actual frequency. We then need to convert to
299 * units of 12.5kHz. We add one to the IFM to make rounding
303 freq = (freq + 10700001) / 12500;
304 /* This appears to set the frequency */
305 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD_SET_FREQ, freq >> 8,
308 /* Not sure what this does */
309 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
316 ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
318 int *valp = (int *)addr;
324 ufm_start(struct ufm_softc *sc, caddr_t addr)
328 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
331 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
340 ufm_stop(struct ufm_softc *sc, caddr_t addr)
344 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
347 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
354 ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
359 * Note, there's a 240ms settle time before the status
360 * will be valid, so tsleep that amount. hz/4 is a good
361 * approximation of that. Since this is a short sleep
362 * we don't try to catch any signals to keep things
365 tsleep(sc, 0, "ufmwait", hz/4);
366 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
375 ufmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, usb_proc_ptr td)
377 struct ufm_softc *sc;
379 int unit = UFMUNIT(dev);
382 USB_GET_SC(ufm, unit, sc);
386 error = ufm_set_freq(sc, addr);
389 error = ufm_get_freq(sc, addr);
392 error = ufm_start(sc, addr);
395 error = ufm_stop(sc, addr);
398 error = ufm_get_stat(sc, addr);
408 #if defined(__NetBSD__) || defined(__OpenBSD__)
410 ufm_activate(device_ptr_t self, enum devact act)
412 struct ufm_softc *sc = (struct ufm_softc *)self;
419 case DVACT_DEACTIVATE:
428 USB_DETACH_START(ufm, sc);
429 struct ufm_endpoint *sce;
431 #if defined(__NetBSD__) || defined(__OpenBSD__)
434 DPRINTF(("ufm_detach: sc=%p flags=%d\n", sc, flags));
435 #elif defined(__FreeBSD__) || defined(__DragonFly__)
436 DPRINTF(("ufm_detach: sc=%p\n", sc));
442 if (--sc->sc_refcnt >= 0) {
443 /* Wait for processes to go away. */
444 usb_detach_wait(USBDEV(sc->sc_dev));
448 #if defined(__NetBSD__) || defined(__OpenBSD__)
449 /* locate the major number */
450 for (maj = 0; maj < nchrdev; maj++)
451 if (cdevsw[maj].d_open == ufmopen)
454 /* Nuke the vnodes for any open instances (calls close). */
455 mn = self->dv_unit * USB_MAX_ENDPOINTS;
456 vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
457 #elif defined(__FreeBSD__) || defined(__DragonFly__)
458 /* XXX not implemented yet */
461 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
466 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
468 #if defined(__FreeBSD__) || defined(__DragonFly__)
470 ufm_detach(device_t self)
472 DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
476 DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, 0);