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 $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/module.h>
41 #include <sys/fcntl.h>
42 #include <sys/filio.h>
47 #include <sys/select.h>
49 #include <sys/sysctl.h>
50 #include <sys/thread2.h>
52 #include <bus/usb/usb.h>
53 #include <bus/usb/usbdi.h>
54 #include <bus/usb/usbdi_util.h>
56 #include <bus/usb/dsbr100io.h>
59 #define DPRINTF(x) if (ufmdebug) kprintf x
60 #define DPRINTFN(n,x) if (ufmdebug>(n)) kprintf x
62 SYSCTL_NODE(_hw_usb, OID_AUTO, ufm, CTLFLAG_RW, 0, "USB ufm");
63 SYSCTL_INT(_hw_usb_ufm, OID_AUTO, debug, CTLFLAG_RW,
64 &ufmdebug, 0, "ufm debug level");
74 static struct dev_ops ufm_ops = {
82 #define FM_CMD_SET_FREQ 0x01
87 usbd_device_handle sc_udev;
88 usbd_interface_handle sc_iface;
97 #define UFMUNIT(n) (minor(n))
99 static device_probe_t ufm_match;
100 static device_attach_t ufm_attach;
101 static device_detach_t ufm_detach;
103 static devclass_t ufm_devclass;
105 static kobj_method_t ufm_methods[] = {
106 DEVMETHOD(device_probe, ufm_match),
107 DEVMETHOD(device_attach, ufm_attach),
108 DEVMETHOD(device_detach, ufm_detach),
112 static driver_t ufm_driver = {
115 sizeof(struct ufm_softc)
118 MODULE_DEPEND(ufm, usb, 1, 1, 1);
121 ufm_match(device_t self)
123 struct usb_attach_arg *uaa = device_get_ivars(self);
124 usb_device_descriptor_t *dd;
126 DPRINTFN(10,("ufm_match\n"));
130 dd = usbd_get_device_descriptor(uaa->device);
133 ((UGETW(dd->idVendor) == 0x04b4 && UGETW(dd->idProduct) == 0x1002)))
134 return UMATCH_VENDOR_PRODUCT;
140 ufm_attach(device_t self)
142 struct ufm_softc *sc = device_get_softc(self);
143 struct usb_attach_arg *uaa = device_get_ivars(self);
144 usb_endpoint_descriptor_t *edesc;
145 usbd_interface_handle iface;
148 char * ermsg = "<none>";
150 DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
152 sc->sc_udev = uaa->device;
154 if ((!uaa->device) || (!uaa->iface)) {
155 ermsg = "device or iface";
158 sc->sc_iface = iface = uaa->iface;
162 r = usbd_endpoint_count(iface, &epcount);
163 if (r != USBD_NORMAL_COMPLETION) {
168 edesc = usbd_interface2endpoint_descriptor(iface, 0);
170 ermsg = "interface endpoint";
173 sc->sc_epaddr = edesc->bEndpointAddress;
175 /* XXX no error trapping, no storing of cdev_t */
176 make_dev(&ufm_ops, device_get_unit(self),
177 UID_ROOT, GID_OPERATOR,
178 0644, "ufm%d", device_get_unit(self));
180 DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));
185 kprintf("%s: could not find %s\n", device_get_nameunit(sc->sc_dev),ermsg);
191 ufmopen(struct dev_open_args *ap)
193 cdev_t dev = ap->a_head.a_dev;
194 struct ufm_softc *sc;
196 int unit = UFMUNIT(dev);
197 sc = devclass_get_softc(ufm_devclass, unit);
201 DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
202 ap->a_oflags, ap->a_devtype, unit));
207 if ((ap->a_oflags & (FWRITE|FREAD)) != (FWRITE|FREAD))
215 ufmclose(struct dev_close_args *ap)
217 cdev_t dev = ap->a_head.a_dev;
218 struct ufm_softc *sc;
220 int unit = UFMUNIT(dev);
221 sc = devclass_get_softc(ufm_devclass, unit);
223 DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n",
224 ap->a_fflag, ap->a_devtype, unit));
231 ufm_do_req(struct ufm_softc *sc, u_int8_t reqtype, u_int8_t request,
232 u_int16_t value, u_int16_t index, u_int8_t len, void *retbuf)
234 usb_device_request_t req;
238 req.bmRequestType = reqtype;
239 req.bRequest = request;
240 USETW(req.wValue, value);
241 USETW(req.wIndex, index);
242 USETW(req.wLength, len);
243 err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL,
244 USBD_DEFAULT_TIMEOUT);
247 kprintf("usbd_do_request_flags returned %#x\n", err);
254 ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
256 int freq = *(int *)addr;
260 * Freq now is in Hz. We need to convert it to the frequency
261 * that the radio wants. This frequency is 10.7MHz above
262 * the actual frequency. We then need to convert to
263 * units of 12.5kHz. We add one to the IFM to make rounding
267 freq = (freq + 10700001) / 12500;
268 /* This appears to set the frequency */
269 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD_SET_FREQ, freq >> 8,
272 /* Not sure what this does */
273 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
280 ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
282 int *valp = (int *)addr;
288 ufm_start(struct ufm_softc *sc, caddr_t addr)
292 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
295 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
304 ufm_stop(struct ufm_softc *sc, caddr_t addr)
308 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
311 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
318 ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
323 * Note, there's a 240ms settle time before the status
324 * will be valid, so tsleep that amount. hz/4 is a good
325 * approximation of that. Since this is a short sleep
326 * we don't try to catch any signals to keep things
329 tsleep(sc, 0, "ufmwait", hz/4);
330 if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
339 ufmioctl(struct dev_ioctl_args *ap)
341 cdev_t dev = ap->a_head.a_dev;
342 caddr_t addr = ap->a_data;
343 struct ufm_softc *sc;
345 int unit = UFMUNIT(dev);
348 sc = devclass_get_softc(ufm_devclass, unit);
352 error = ufm_set_freq(sc, addr);
355 error = ufm_get_freq(sc, addr);
358 error = ufm_start(sc, addr);
361 error = ufm_stop(sc, addr);
364 error = ufm_get_stat(sc, addr);
374 ufm_detach(device_t self)
376 DPRINTF(("%s: disconnected\n", device_get_nameunit(self)));
380 DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, NULL);