[dragonfly.git] / sys / dev / usbmisc / ufm / ufm.c

/*
 * Copyright (c) 2001 M. Warner Losh
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * This code is based on ugen.c and ulpt.c developed by Lennart Augustsson.
 * This code includes software developed by the NetBSD Foundation, Inc. and
 * its contributors.
 */

/*
 * $FreeBSD: src/sys/dev/usb/ufm.c,v 1.16 2003/10/04 21:41:01 joe Exp $
 * $DragonFly: src/sys/dev/usbmisc/ufm/ufm.c,v 1.24 2008/08/14 20:55:53 hasso Exp $
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/fcntl.h>
#include <sys/filio.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/tty.h>
#include <sys/file.h>
#include <sys/select.h>
#include <sys/poll.h>
#include <sys/sysctl.h>
#include <sys/thread2.h>

#include <bus/usb/usb.h>
#include <bus/usb/usbdi.h>
#include <bus/usb/usbdi_util.h>

#include <bus/usb/dsbr100io.h>

#ifdef USB_DEBUG
#define DPRINTF(x)	if (ufmdebug) kprintf x
#define DPRINTFN(n,x)	if (ufmdebug>(n)) kprintf x
int	ufmdebug = 0;
SYSCTL_NODE(_hw_usb, OID_AUTO, ufm, CTLFLAG_RW, 0, "USB ufm");
SYSCTL_INT(_hw_usb_ufm, OID_AUTO, debug, CTLFLAG_RW,
	   &ufmdebug, 0, "ufm debug level");
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif

d_open_t  ufmopen;
d_close_t ufmclose;
d_ioctl_t ufmioctl;

#define UFM_CDEV_MAJOR	200

static struct dev_ops ufm_ops = {
	{ "ufm", UFM_CDEV_MAJOR, 0 },
	.d_open = ufmopen,
	.d_close = ufmclose,
	.d_ioctl = ufmioctl,
};

#define FM_CMD0		0x00
#define FM_CMD_SET_FREQ	0x01
#define FM_CMD2		0x02

struct ufm_softc {
 	device_t sc_dev;
	usbd_device_handle sc_udev;
	usbd_interface_handle sc_iface;

	int sc_opened;
	int sc_epaddr;
	int sc_freq;

	int sc_refcnt;
};

#define UFMUNIT(n) (minor(n))

static device_probe_t ufm_match;
static device_attach_t ufm_attach;
static device_detach_t ufm_detach;

static devclass_t ufm_devclass;

static kobj_method_t ufm_methods[] = {
	DEVMETHOD(device_probe, ufm_match),
	DEVMETHOD(device_attach, ufm_attach),
	DEVMETHOD(device_detach, ufm_detach),
	{0,0}
};

static driver_t ufm_driver = {
	"ufm",
	ufm_methods,
	sizeof(struct ufm_softc)
};

MODULE_DEPEND(ufm, usb, 1, 1, 1);

static int
ufm_match(device_t self)
{
	struct usb_attach_arg *uaa = device_get_ivars(self);
	usb_device_descriptor_t *dd;

	DPRINTFN(10,("ufm_match\n"));
	if (!uaa->iface)
		return UMATCH_NONE;

	dd = usbd_get_device_descriptor(uaa->device);

	if (dd &&
	    ((UGETW(dd->idVendor) == 0x04b4 && UGETW(dd->idProduct) == 0x1002)))
		return UMATCH_VENDOR_PRODUCT;
	else
		return UMATCH_NONE;
}

static int
ufm_attach(device_t self)
{
	struct ufm_softc *sc = device_get_softc(self);
	struct usb_attach_arg *uaa = device_get_ivars(self);
	usb_endpoint_descriptor_t *edesc;
	usbd_interface_handle iface;
	u_int8_t epcount;
	usbd_status r;
	char * ermsg = "<none>";

	DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
	sc->sc_dev = self;
	sc->sc_udev = uaa->device;

 	if ((!uaa->device) || (!uaa->iface)) {
		ermsg = "device or iface";
 		goto nobulk;
	}
	sc->sc_iface = iface = uaa->iface;
	sc->sc_opened = 0;
	sc->sc_refcnt = 0;

	r = usbd_endpoint_count(iface, &epcount);
	if (r != USBD_NORMAL_COMPLETION) {
		ermsg = "endpoints";
		goto nobulk;
	}

	edesc = usbd_interface2endpoint_descriptor(iface, 0);
	if (!edesc) {
		ermsg = "interface endpoint";
		goto nobulk;
	}
	sc->sc_epaddr = edesc->bEndpointAddress;

	/* XXX no error trapping, no storing of cdev_t */
	make_dev(&ufm_ops, device_get_unit(self),
		 UID_ROOT, GID_OPERATOR,
		 0644, "ufm%d", device_get_unit(self));

	DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));

	return 0;

 nobulk:
	kprintf("%s: could not find %s\n", device_get_nameunit(sc->sc_dev),ermsg);
	return ENXIO;
}


int
ufmopen(struct dev_open_args *ap)
{
	cdev_t dev = ap->a_head.a_dev;
	struct ufm_softc *sc;

	int unit = UFMUNIT(dev);
	sc = devclass_get_softc(ufm_devclass, unit);
	if (sc == NULL)
		return (ENXIO);

	DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
		     ap->a_oflags, ap->a_devtype, unit));

	if (sc->sc_opened)
		return (EBUSY);

	if ((ap->a_oflags & (FWRITE|FREAD)) != (FWRITE|FREAD))
		return (EACCES);

	sc->sc_opened = 1;
	return (0);
}

int
ufmclose(struct dev_close_args *ap)
{
	cdev_t dev = ap->a_head.a_dev;
	struct ufm_softc *sc;

	int unit = UFMUNIT(dev);
	sc = devclass_get_softc(ufm_devclass, unit);

	DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n", 
		    ap->a_fflag, ap->a_devtype, unit));
	sc->sc_opened = 0;
	sc->sc_refcnt = 0;
	return 0;
}

static int
ufm_do_req(struct ufm_softc *sc, u_int8_t reqtype, u_int8_t request,
    u_int16_t value, u_int16_t index, u_int8_t len, void *retbuf)
{
	usb_device_request_t req;
	usbd_status err;

	crit_enter();
	req.bmRequestType = reqtype;
	req.bRequest = request;
	USETW(req.wValue, value);
	USETW(req.wIndex, index);
	USETW(req.wLength, len);
	err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL,
	    USBD_DEFAULT_TIMEOUT);
	crit_exit();
	if (err) {
		kprintf("usbd_do_request_flags returned %#x\n", err);
		return (EIO);
	}
	return (0);
}

static int
ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
{
	int freq = *(int *)addr;
	u_int8_t ret;

	/*
	 * Freq now is in Hz.  We need to convert it to the frequency
	 * that the radio wants.  This frequency is 10.7MHz above
	 * the actual frequency.  We then need to convert to
	 * units of 12.5kHz.  We add one to the IFM to make rounding
	 * easier.
	 */
	sc->sc_freq = freq;
	freq = (freq + 10700001) / 12500;
	/* This appears to set the frequency */
	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD_SET_FREQ, freq >> 8,
	    freq, 1, &ret) != 0)
		return (EIO);
	/* Not sure what this does */
	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
	    &ret) != 0)
		return (EIO);
	return (0);
}

static int
ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
{
	int *valp = (int *)addr;
	*valp = sc->sc_freq;
	return (0);
}

static int
ufm_start(struct ufm_softc *sc, caddr_t addr)
{
	u_int8_t ret;

	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
	    1, &ret))
		return (EIO);
	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
	    1, &ret))
		return (EIO);
	if (ret & 0x1)
		return (EIO);
	return (0);
}

static int
ufm_stop(struct ufm_softc *sc, caddr_t addr)
{
	u_int8_t ret;

	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
	    1, &ret))
		return (EIO);
	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
	    1, &ret))
		return (EIO);
	return (0);
}

static int
ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
{
	u_int8_t ret;

	/*
	 * Note, there's a 240ms settle time before the status
	 * will be valid, so tsleep that amount.  hz/4 is a good
	 * approximation of that.  Since this is a short sleep
	 * we don't try to catch any signals to keep things
	 * simple.
	 */
	tsleep(sc, 0, "ufmwait", hz/4);
	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
	    1, &ret))
		return (EIO);
	*(int *)addr = ret;

	return (0);
}

int
ufmioctl(struct dev_ioctl_args *ap)
{
	cdev_t dev = ap->a_head.a_dev;
	caddr_t addr = ap->a_data;
	struct ufm_softc *sc;

	int unit = UFMUNIT(dev);
	int error = 0;

	sc = devclass_get_softc(ufm_devclass, unit);

	switch (ap->a_cmd) {
	case FM_SET_FREQ:
		error = ufm_set_freq(sc, addr);
		break;
	case FM_GET_FREQ:
		error = ufm_get_freq(sc, addr);
		break;
	case FM_START:
		error = ufm_start(sc, addr);
		break;
	case FM_STOP:
		error = ufm_stop(sc, addr);
		break;
	case FM_GET_STAT:
		error = ufm_get_stat(sc, addr);
		break;
	default:
		return ENOTTY;
		break;
	}
	return error;
}

static int
ufm_detach(device_t self)
{
	DPRINTF(("%s: disconnected\n", device_get_nameunit(self)));
	return 0;
}

DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, 0);
Commit	Line	Data
984263bc MD	1	/*
	2	* Copyright (c) 2001 M. Warner Losh
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	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.
	13	*
	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
	24	* SUCH DAMAGE.
	25	*
	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
	28	* its contributors.
	29	*/
	30
1550dfd9 MD	31	/*
1550dfd9 MD	32	* $FreeBSD: src/sys/dev/usb/ufm.c,v 1.16 2003/10/04 21:41:01 joe Exp $
74781d8f	33	* $DragonFly: src/sys/dev/usbmisc/ufm/ufm.c,v 1.24 2008/08/14 20:55:53 hasso Exp $
1550dfd9	34	*/
984263bc MD	35
	36	#include <sys/param.h>
	37	#include <sys/systm.h>
	38	#include <sys/kernel.h>
	39	#include <sys/malloc.h>
984263bc MD	40	#include <sys/module.h>
984263bc MD	41	#include <sys/bus.h>
984263bc MD	42	#include <sys/fcntl.h>
	43	#include <sys/filio.h>
	44	#include <sys/conf.h>
	45	#include <sys/uio.h>
	46	#include <sys/tty.h>
	47	#include <sys/file.h>
984263bc	48	#include <sys/select.h>
984263bc MD	49	#include <sys/poll.h>
984263bc MD	50	#include <sys/sysctl.h>
4e01b467	51	#include <sys/thread2.h>
984263bc	52
1f2de5d4 MD	53	#include <bus/usb/usb.h>
	54	#include <bus/usb/usbdi.h>
	55	#include <bus/usb/usbdi_util.h>
984263bc	56
1f2de5d4	57	#include <bus/usb/dsbr100io.h>
984263bc MD	58
984263bc MD	59	#ifdef USB_DEBUG
fc1ef497 HT	60	#define DPRINTF(x) if (ufmdebug) kprintf x
fc1ef497 HT	61	#define DPRINTFN(n,x) if (ufmdebug>(n)) kprintf x
984263bc MD	62	int ufmdebug = 0;
	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");
	66	#else
	67	#define DPRINTF(x)
	68	#define DPRINTFN(n,x)
	69	#endif
	70
984263bc MD	71	d_open_t ufmopen;
	72	d_close_t ufmclose;
	73	d_ioctl_t ufmioctl;
	74
	75	#define UFM_CDEV_MAJOR 200
	76
6ed427ca	77	static struct dev_ops ufm_ops = {
fef8985e MD	78	{ "ufm", UFM_CDEV_MAJOR, 0 },
	79	.d_open = ufmopen,
	80	.d_close = ufmclose,
	81	.d_ioctl = ufmioctl,
984263bc	82	};
984263bc MD	83
	84	#define FM_CMD0 0x00
	85	#define FM_CMD_SET_FREQ 0x01
	86	#define FM_CMD2 0x02
	87
	88	struct ufm_softc {
6ed427ca	89	device_t sc_dev;
984263bc MD	90	usbd_device_handle sc_udev;
	91	usbd_interface_handle sc_iface;
	92
	93	int sc_opened;
	94	int sc_epaddr;
	95	int sc_freq;
	96
	97	int sc_refcnt;
984263bc MD	98	};
	99
	100	#define UFMUNIT(n) (minor(n))
	101
61b69189 HT	102	static device_probe_t ufm_match;
	103	static device_attach_t ufm_attach;
	104	static device_detach_t ufm_detach;
	105
	106	static devclass_t ufm_devclass;
	107
	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),
	112	{0,0}
	113	};
	114
	115	static driver_t ufm_driver = {
	116	"ufm",
	117	ufm_methods,
	118	sizeof(struct ufm_softc)
	119	};
	120
	121	MODULE_DEPEND(ufm, usb, 1, 1, 1);
984263bc	122
e785a5d9 HT	123	static int
e785a5d9 HT	124	ufm_match(device_t self)
984263bc	125	{
e785a5d9	126	struct usb_attach_arg *uaa = device_get_ivars(self);
984263bc MD	127	usb_device_descriptor_t *dd;
	128
	129	DPRINTFN(10,("ufm_match\n"));
	130	if (!uaa->iface)
	131	return UMATCH_NONE;
	132
	133	dd = usbd_get_device_descriptor(uaa->device);
	134
	135	if (dd &&
3f56796e	136	((UGETW(dd->idVendor) == 0x04b4 && UGETW(dd->idProduct) == 0x1002)))
984263bc MD	137	return UMATCH_VENDOR_PRODUCT;
	138	else
	139	return UMATCH_NONE;
	140	}
	141
e785a5d9 HT	142	static int
e785a5d9 HT	143	ufm_attach(device_t self)
984263bc	144	{
e785a5d9 HT	145	struct ufm_softc *sc = device_get_softc(self);
e785a5d9 HT	146	struct usb_attach_arg *uaa = device_get_ivars(self);
984263bc	147	usb_endpoint_descriptor_t *edesc;
984263bc MD	148	usbd_interface_handle iface;
984263bc MD	149	u_int8_t epcount;
984263bc MD	150	usbd_status r;
	151	char * ermsg = "<none>";
	152
1550dfd9	153	DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
e785a5d9	154	sc->sc_dev = self;
74781d8f	155	sc->sc_udev = uaa->device;
984263bc	156
984263bc MD	157	if ((!uaa->device) \|\| (!uaa->iface)) {
	158	ermsg = "device or iface";
	159	goto nobulk;
	160	}
	161	sc->sc_iface = iface = uaa->iface;
984263bc MD	162	sc->sc_opened = 0;
	163	sc->sc_refcnt = 0;
	164
	165	r = usbd_endpoint_count(iface, &epcount);
1550dfd9	166	if (r != USBD_NORMAL_COMPLETION) {
984263bc MD	167	ermsg = "endpoints";
	168	goto nobulk;
	169	}
	170
	171	edesc = usbd_interface2endpoint_descriptor(iface, 0);
	172	if (!edesc) {
	173	ermsg = "interface endpoint";
	174	goto nobulk;
	175	}
	176	sc->sc_epaddr = edesc->bEndpointAddress;
	177
b13267a5	178	/* XXX no error trapping, no storing of cdev_t */
fef8985e	179	make_dev(&ufm_ops, device_get_unit(self),
3e82b46c MD	180	UID_ROOT, GID_OPERATOR,
3e82b46c MD	181	0644, "ufm%d", device_get_unit(self));
984263bc MD	182
	183	DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));
	184
e785a5d9	185	return 0;
984263bc MD	186
984263bc MD	187	nobulk:
6ed427ca	188	kprintf("%s: could not find %s\n", device_get_nameunit(sc->sc_dev),ermsg);
e785a5d9	189	return ENXIO;
984263bc MD	190	}
	191
	192
	193	int
fef8985e	194	ufmopen(struct dev_open_args *ap)
984263bc	195	{
b13267a5	196	cdev_t dev = ap->a_head.a_dev;
984263bc MD	197	struct ufm_softc *sc;
	198
	199	int unit = UFMUNIT(dev);
1e089e7e HT	200	sc = devclass_get_softc(ufm_devclass, unit);
	201	if (sc == NULL)
	202	return (ENXIO);
984263bc	203
1550dfd9	204	DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
fef8985e	205	ap->a_oflags, ap->a_devtype, unit));
984263bc MD	206
	207	if (sc->sc_opened)
	208	return (EBUSY);
	209
fef8985e	210	if ((ap->a_oflags & (FWRITE\|FREAD)) != (FWRITE\|FREAD))
984263bc MD	211	return (EACCES);
	212
	213	sc->sc_opened = 1;
	214	return (0);
	215	}
	216
	217	int
fef8985e	218	ufmclose(struct dev_close_args *ap)
984263bc	219	{
b13267a5	220	cdev_t dev = ap->a_head.a_dev;
984263bc MD	221	struct ufm_softc *sc;
	222
	223	int unit = UFMUNIT(dev);
1e089e7e	224	sc = devclass_get_softc(ufm_devclass, unit);
984263bc	225
fef8985e MD	226	DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n",
fef8985e MD	227	ap->a_fflag, ap->a_devtype, unit));
984263bc MD	228	sc->sc_opened = 0;
984263bc MD	229	sc->sc_refcnt = 0;
1550dfd9	230	return 0;
984263bc MD	231	}
	232
	233	static int
	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)
	236	{
984263bc MD	237	usb_device_request_t req;
	238	usbd_status err;
	239
4e01b467	240	crit_enter();
984263bc MD	241	req.bmRequestType = reqtype;
	242	req.bRequest = request;
	243	USETW(req.wValue, value);
	244	USETW(req.wIndex, index);
	245	USETW(req.wLength, len);
1550dfd9 MD	246	err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL,
1550dfd9 MD	247	USBD_DEFAULT_TIMEOUT);
4e01b467	248	crit_exit();
984263bc	249	if (err) {
e3869ec7	250	kprintf("usbd_do_request_flags returned %#x\n", err);
984263bc MD	251	return (EIO);
	252	}
	253	return (0);
	254	}
	255
	256	static int
	257	ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
	258	{
	259	int freq = (int )addr;
	260	u_int8_t ret;
	261
	262	/*
	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
1550dfd9	267	* easier.
984263bc MD	268	*/
	269	sc->sc_freq = freq;
	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,
	273	freq, 1, &ret) != 0)
	274	return (EIO);
	275	/* Not sure what this does */
1550dfd9	276	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
984263bc MD	277	&ret) != 0)
	278	return (EIO);
	279	return (0);
	280	}
	281
	282	static int
	283	ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
	284	{
	285	int valp = (int )addr;
	286	*valp = sc->sc_freq;
	287	return (0);
	288	}
	289
	290	static int
	291	ufm_start(struct ufm_softc *sc, caddr_t addr)
	292	{
	293	u_int8_t ret;
1550dfd9 MD	294
1550dfd9 MD	295	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
984263bc MD	296	1, &ret))
	297	return (EIO);
	298	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
	299	1, &ret))
	300	return (EIO);
	301	if (ret & 0x1)
	302	return (EIO);
	303	return (0);
	304	}
	305
	306	static int
	307	ufm_stop(struct ufm_softc *sc, caddr_t addr)
	308	{
	309	u_int8_t ret;
1550dfd9	310
984263bc MD	311	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
	312	1, &ret))
	313	return (EIO);
	314	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
	315	1, &ret))
	316	return (EIO);
	317	return (0);
	318	}
	319
	320	static int
	321	ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
	322	{
	323	u_int8_t ret;
1550dfd9	324
984263bc MD	325	/*
	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
	330	* simple.
	331	*/
	332	tsleep(sc, 0, "ufmwait", hz/4);
	333	if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
	334	1, &ret))
	335	return (EIO);
	336	(int )addr = ret;
1550dfd9	337
984263bc MD	338	return (0);
	339	}
	340
	341	int
fef8985e	342	ufmioctl(struct dev_ioctl_args *ap)
984263bc	343	{
b13267a5	344	cdev_t dev = ap->a_head.a_dev;
fef8985e	345	caddr_t addr = ap->a_data;
984263bc MD	346	struct ufm_softc *sc;
	347
	348	int unit = UFMUNIT(dev);
	349	int error = 0;
	350
1e089e7e	351	sc = devclass_get_softc(ufm_devclass, unit);
984263bc	352
fef8985e	353	switch (ap->a_cmd) {
984263bc MD	354	case FM_SET_FREQ:
	355	error = ufm_set_freq(sc, addr);
	356	break;
	357	case FM_GET_FREQ:
	358	error = ufm_get_freq(sc, addr);
	359	break;
	360	case FM_START:
	361	error = ufm_start(sc, addr);
	362	break;
	363	case FM_STOP:
	364	error = ufm_stop(sc, addr);
	365	break;
	366	case FM_GET_STAT:
	367	error = ufm_get_stat(sc, addr);
	368	break;
	369	default:
	370	return ENOTTY;
	371	break;
	372	}
	373	return error;
	374	}
	375
6ed427ca	376	static int
984263bc	377	ufm_detach(device_t self)
1550dfd9	378	{
6ed427ca	379	DPRINTF(("%s: disconnected\n", device_get_nameunit(self)));
984263bc MD	380	return 0;
	381	}
	382
	383	DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, 0);