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 1.24 2008/08/14 20:55:53 hasso Exp $
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #include <sys/module.h>
42 #include <sys/fcntl.h>
43 #include <sys/filio.h>
48 #include <sys/select.h>
50 #include <sys/sysctl.h>
51 #include <sys/thread2.h>
53 #include <bus/usb/usb.h>
54 #include <bus/usb/usbdi.h>
55 #include <bus/usb/usbdi_util.h>
57 #include <bus/usb/dsbr100io.h>
60 #define DPRINTF(x) if (ufmdebug) kprintf x
61 #define DPRINTFN(n,x) if (ufmdebug>(n)) kprintf x
63 SYSCTL_NODE(_hw_usb, OID_AUTO, ufm, CTLFLAG_RW, 0, "USB ufm");
64 SYSCTL_INT(_hw_usb_ufm, OID_AUTO, debug, CTLFLAG_RW,
65 &ufmdebug, 0, "ufm debug level");
75 #define UFM_CDEV_MAJOR 200
77 static struct dev_ops ufm_ops = {
78 { "ufm", UFM_CDEV_MAJOR, 0 },
85 #define FM_CMD_SET_FREQ 0x01
90 usbd_device_handle sc_udev;
91 usbd_interface_handle sc_iface;
100 #define UFMUNIT(n) (minor(n))
102 static device_probe_t ufm_match;
103 static device_attach_t ufm_attach;
104 static device_detach_t ufm_detach;
106 static devclass_t ufm_devclass;
108 static kobj_method_t ufm_methods[] = {
109 DEVMETHOD(device_probe, ufm_match),
110 DEVMETHOD(device_attach, ufm_attach),
111 DEVMETHOD(device_detach, ufm_detach),
115 static driver_t ufm_driver = {
118 sizeof(struct ufm_softc)
121 MODULE_DEPEND(ufm, usb, 1, 1, 1);
124 ufm_match(device_t self)
126 struct usb_attach_arg *uaa = device_get_ivars(self);
127 usb_device_descriptor_t *dd;
129 DPRINTFN(10,("ufm_match\n"));
133 dd = usbd_get_device_descriptor(uaa->device);
136 ((UGETW(dd->idVendor) == 0x04b4 && UGETW(dd->idProduct) == 0x1002)))
137 return UMATCH_VENDOR_PRODUCT;
143 ufm_attach(device_t self)
145 struct ufm_softc *sc = device_get_softc(self);
146 struct usb_attach_arg *uaa = device_get_ivars(self);
147 usb_endpoint_descriptor_t *edesc;
148 usbd_interface_handle iface;
151 char * ermsg = "<none>";
153 DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
155 sc->sc_udev = uaa->device;
157 if ((!uaa->device) || (!uaa->iface)) {
158 ermsg = "device or iface";
161 sc->sc_iface = iface = uaa->iface;
165 r = usbd_endpoint_count(iface, &epcount);
166 if (r != USBD_NORMAL_COMPLETION) {
171 edesc = usbd_interface2endpoint_descriptor(iface, 0);
173 ermsg = "interface endpoint";
176 sc->sc_epaddr = edesc->bEndpointAddress;
178 /* XXX no error trapping, no storing of cdev_t */
179 make_dev(&ufm_ops, device_get_unit(self),
180 UID_ROOT, GID_OPERATOR,
181 0644, "ufm%d", device_get_unit(self));
183 DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));
188 kprintf("%s: could not find %s\n", device_get_nameunit(sc->sc_dev),ermsg);
194 ufmopen(struct dev_open_args *ap)
196 cdev_t dev = ap->a_head.a_dev;
197 struct ufm_softc *sc;
199 int unit = UFMUNIT(dev);
200 sc = devclass_get_softc(ufm_devclass, unit);
204 DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
205 ap->a_oflags, ap->a_devtype, unit));
210 if ((ap->a_oflags & (FWRITE|FREAD)) != (FWRITE|FREAD))
218 ufmclose(struct dev_close_args *ap)
220 cdev_t dev = ap->a_head.a_dev;
221 struct ufm_softc *sc;
223 int unit = UFMUNIT(dev);
224 sc = devclass_get_softc(ufm_devclass, unit);
226 DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n",
227 ap->a_fflag, ap->a_devtype, unit));
234 ufm_do_req(struct ufm_softc *sc, u_int8_t reqtype, u_int8_t request,
235 u_int16_t value, u_int16_t index, u_int8_t len, void *retbuf)
237 usb_device_request_t req;
241 req.bmRequestType = reqtype;
242 req.bRequest = request;
243 USETW(req.wValue, value);
244 USETW(req.wIndex, index);
245 USETW(req.wLength, len);
246 err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL,
247 USBD_DEFAULT_TIMEOUT);
250 kprintf("usbd_do_request_flags returned %#x\n", err);
257 ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
259 int freq = *(int *)addr;
263 * Freq now is in Hz. We need to convert it to the frequency
264 * that the radio wants. This frequency is 10.7MHz above
265 * the actual frequency. We then need to convert to
266 * units of 12.5kHz. We add one to the IFM to make rounding
270 freq = (freq + 10700001) / 12500;
271 /* This appears to set the frequency */
272 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD_SET_FREQ, freq >> 8,
275 /* Not sure what this does */
276 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
283 ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
285 int *valp = (int *)addr;
291 ufm_start(struct ufm_softc *sc, caddr_t addr)
295 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
298 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
307 ufm_stop(struct ufm_softc *sc, caddr_t addr)
311 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
314 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
321 ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
326 * Note, there's a 240ms settle time before the status
327 * will be valid, so tsleep that amount. hz/4 is a good
328 * approximation of that. Since this is a short sleep
329 * we don't try to catch any signals to keep things
332 tsleep(sc, 0, "ufmwait", hz/4);
333 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
342 ufmioctl(struct dev_ioctl_args *ap)
344 cdev_t dev = ap->a_head.a_dev;
345 caddr_t addr = ap->a_data;
346 struct ufm_softc *sc;
348 int unit = UFMUNIT(dev);
351 sc = devclass_get_softc(ufm_devclass, unit);
355 error = ufm_set_freq(sc, addr);
358 error = ufm_get_freq(sc, addr);
361 error = ufm_start(sc, addr);
364 error = ufm_stop(sc, addr);
367 error = ufm_get_stat(sc, addr);
377 ufm_detach(device_t self)
379 DPRINTF(("%s: disconnected\n", device_get_nameunit(self)));
383 DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, 0);