9f844c45b8
debugging levels to off by default. Now that debug levels can be tweaked by sysctl we don't need to go through hoops to get the different usb parts to produce debug data.
480 lines
11 KiB
C
480 lines
11 KiB
C
/*
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* Copyright (c) 2001 M. Warner Losh
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This code is based on ugen.c and ulpt.c developed by Lennart Augustsson.
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* This code includes software developed by the NetBSD Foundation, Inc. and
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* its contributors.
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*/
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/* $FreeBSD$ */
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#if defined(__NetBSD__)
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#elif defined(__FreeBSD__)
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/ioccom.h>
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#endif
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#include <sys/fcntl.h>
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#include <sys/filio.h>
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#include <sys/conf.h>
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#include <sys/uio.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#if __FreeBSD_version >= 500014
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#include <sys/selinfo.h>
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#else
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#include <sys/select.h>
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#endif
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#include <sys/vnode.h>
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#include <sys/poll.h>
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#include <sys/sysctl.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/dsbr100io.h>
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#ifdef USB_DEBUG
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#define DPRINTF(x) if (ufmdebug) logprintf x
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#define DPRINTFN(n,x) if (ufmdebug>(n)) logprintf x
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int ufmdebug = 0;
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SYSCTL_INT(_debug_usb, OID_AUTO, ufm, CTLFLAG_RW,
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&ufmdebug, 0, "ufm debug level");
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#endif
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#ifdef __FreeBSD_version
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typedef d_thread_t usb_proc_t;
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#else
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typedef struct proc usb_proc_t;
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#endif
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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typedef struct proc usb_proc_t;
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int ufmopen(dev_t, int, int, struct proc *);
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int ufmclose(dev_t, int, int, struct proc *p);
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int ufmioctl(dev_t, u_long, caddr_t, int, struct proc *);
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cdev_decl(ufm);
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#elif defined(__FreeBSD__)
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d_open_t ufmopen;
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d_close_t ufmclose;
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d_ioctl_t ufmioctl;
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#define UFM_CDEV_MAJOR 200
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Static struct cdevsw ufm_cdevsw = {
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ufmopen, ufmclose, noread, nowrite,
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ufmioctl, nopoll, nommap, nostrategy,
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"ufm", UFM_CDEV_MAJOR, nodump, nopsize,
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0,
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#if (__FreeBSD_version < 500014)
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-1
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#endif
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};
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#endif /*defined(__FreeBSD__)*/
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#define FM_CMD0 0x00
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#define FM_CMD_SET_FREQ 0x01
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#define FM_CMD2 0x02
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struct ufm_softc {
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USBBASEDEVICE sc_dev;
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usbd_device_handle sc_udev;
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usbd_interface_handle sc_iface;
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int sc_opened;
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int sc_epaddr;
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int sc_freq;
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int sc_refcnt;
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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u_char sc_dying;
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#endif
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};
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#define UFMUNIT(n) (minor(n))
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USB_DECLARE_DRIVER(ufm);
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USB_MATCH(ufm)
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{
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USB_MATCH_START(ufm, uaa);
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usb_device_descriptor_t *dd;
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DPRINTFN(10,("ufm_match\n"));
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if (!uaa->iface)
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return UMATCH_NONE;
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dd = usbd_get_device_descriptor(uaa->device);
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if (dd &&
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((UGETW(dd->idVendor) == USB_VENDOR_CYPRESS &&
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UGETW(dd->idProduct) == USB_PRODUCT_CYPRESS_FMRADIO)))
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return UMATCH_VENDOR_PRODUCT;
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else
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return UMATCH_NONE;
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}
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USB_ATTACH(ufm)
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{
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USB_ATTACH_START(ufm, sc, uaa);
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char devinfo[1024];
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usb_endpoint_descriptor_t *edesc;
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usbd_device_handle udev;
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usbd_interface_handle iface;
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u_int8_t epcount;
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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u_int8_t niface;
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#endif
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usbd_status r;
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char * ermsg = "<none>";
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DPRINTFN(10,("ufm_attach: sc=%p\n", sc));
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usbd_devinfo(uaa->device, 0, devinfo);
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USB_ATTACH_SETUP;
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printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
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sc->sc_udev = udev = uaa->device;
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#if defined(__FreeBSD__)
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if ((!uaa->device) || (!uaa->iface)) {
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ermsg = "device or iface";
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goto nobulk;
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}
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sc->sc_iface = iface = uaa->iface;
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#elif defined(__NetBSD__) || defined(__OpenBSD__)
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if (!udev) {
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ermsg = "device";
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goto nobulk;
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}
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r = usbd_interface_count(udev, &niface);
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if (r) {
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ermsg = "iface";
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goto nobulk;
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}
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r = usbd_device2interface_handle(udev, 0, &iface);
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if (r) {
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ermsg = "iface";
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goto nobulk;
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}
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sc->sc_iface = iface;
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#endif
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sc->sc_opened = 0;
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sc->sc_refcnt = 0;
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r = usbd_endpoint_count(iface, &epcount);
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if (r != USBD_NORMAL_COMPLETION) {
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ermsg = "endpoints";
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goto nobulk;
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}
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edesc = usbd_interface2endpoint_descriptor(iface, 0);
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if (!edesc) {
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ermsg = "interface endpoint";
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goto nobulk;
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}
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sc->sc_epaddr = edesc->bEndpointAddress;
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#if defined(__FreeBSD__)
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/* XXX no error trapping, no storing of dev_t */
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(void) make_dev(&ufm_cdevsw, device_get_unit(self),
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UID_ROOT, GID_OPERATOR,
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0644, "ufm%d", device_get_unit(self));
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#elif defined(__NetBSD__) || defined(__OpenBSD__)
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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#endif
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DPRINTFN(10, ("ufm_attach: %p\n", sc->sc_udev));
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USB_ATTACH_SUCCESS_RETURN;
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nobulk:
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printf("%s: could not find %s\n", USBDEVNAME(sc->sc_dev),ermsg);
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USB_ATTACH_ERROR_RETURN;
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}
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int
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ufmopen(dev_t dev, int flag, int mode, usb_proc_ptr td)
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{
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struct ufm_softc *sc;
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int unit = UFMUNIT(dev);
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USB_GET_SC_OPEN(ufm, unit, sc);
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DPRINTFN(5, ("ufmopen: flag=%d, mode=%d, unit=%d\n",
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flag, mode, unit));
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if (sc->sc_opened)
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return (EBUSY);
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if ((flag & (FWRITE|FREAD)) != (FWRITE|FREAD))
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return (EACCES);
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sc->sc_opened = 1;
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return (0);
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}
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int
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ufmclose(dev_t dev, int flag, int mode, usb_proc_ptr td)
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{
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struct ufm_softc *sc;
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int unit = UFMUNIT(dev);
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USB_GET_SC(ufm, unit, sc);
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DPRINTFN(5, ("ufmclose: flag=%d, mode=%d, unit=%d\n", flag, mode, unit));
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sc->sc_opened = 0;
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sc->sc_refcnt = 0;
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return 0;
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}
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static int
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ufm_do_req(struct ufm_softc *sc, u_int8_t reqtype, u_int8_t request,
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u_int16_t value, u_int16_t index, u_int8_t len, void *retbuf)
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{
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int s;
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usb_device_request_t req;
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usbd_status err;
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s = splusb();
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req.bmRequestType = reqtype;
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req.bRequest = request;
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USETW(req.wValue, value);
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USETW(req.wIndex, index);
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USETW(req.wLength, len);
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err = usbd_do_request_flags(sc->sc_udev, &req, retbuf, 0, NULL,
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USBD_DEFAULT_TIMEOUT);
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splx(s);
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if (err) {
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printf("usbd_do_request_flags returned %#x\n", err);
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return (EIO);
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}
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return (0);
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}
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static int
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ufm_set_freq(struct ufm_softc *sc, caddr_t addr)
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{
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int freq = *(int *)addr;
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u_int8_t ret;
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/*
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* Freq now is in Hz. We need to convert it to the frequency
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* that the radio wants. This frequency is 10.7MHz above
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* the actual frequency. We then need to convert to
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* units of 12.5kHz. We add one to the IFM to make rounding
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* easier.
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*/
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sc->sc_freq = freq;
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freq = (freq + 10700001) / 12500;
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/* This appears to set the frequency */
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD_SET_FREQ, freq >> 8,
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freq, 1, &ret) != 0)
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return (EIO);
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/* Not sure what this does */
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x96, 0xb7, 1,
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&ret) != 0)
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return (EIO);
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return (0);
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}
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static int
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ufm_get_freq(struct ufm_softc *sc, caddr_t addr)
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{
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int *valp = (int *)addr;
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*valp = sc->sc_freq;
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return (0);
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}
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static int
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ufm_start(struct ufm_softc *sc, caddr_t addr)
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{
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u_int8_t ret;
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0xc7,
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1, &ret))
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return (EIO);
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x01, 0x00,
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1, &ret))
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return (EIO);
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if (ret & 0x1)
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return (EIO);
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return (0);
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}
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static int
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ufm_stop(struct ufm_softc *sc, caddr_t addr)
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{
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u_int8_t ret;
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x16, 0x1C,
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1, &ret))
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return (EIO);
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD2, 0x00, 0x00,
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1, &ret))
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return (EIO);
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return (0);
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}
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static int
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ufm_get_stat(struct ufm_softc *sc, caddr_t addr)
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{
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u_int8_t ret;
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/*
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* Note, there's a 240ms settle time before the status
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* will be valid, so tsleep that amount. hz/4 is a good
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* approximation of that. Since this is a short sleep
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* we don't try to catch any signals to keep things
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* simple.
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*/
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tsleep(sc, 0, "ufmwait", hz/4);
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if (ufm_do_req(sc, UT_READ_VENDOR_DEVICE, FM_CMD0, 0x00, 0x24,
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1, &ret))
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return (EIO);
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*(int *)addr = ret;
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return (0);
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}
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int
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ufmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, usb_proc_ptr td)
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{
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struct ufm_softc *sc;
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int unit = UFMUNIT(dev);
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int error = 0;
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USB_GET_SC(ufm, unit, sc);
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switch (cmd) {
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case FM_SET_FREQ:
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error = ufm_set_freq(sc, addr);
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break;
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case FM_GET_FREQ:
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error = ufm_get_freq(sc, addr);
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break;
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case FM_START:
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error = ufm_start(sc, addr);
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break;
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case FM_STOP:
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error = ufm_stop(sc, addr);
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break;
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case FM_GET_STAT:
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error = ufm_get_stat(sc, addr);
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break;
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default:
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return ENOTTY;
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break;
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}
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return error;
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}
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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int
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ufm_activate(device_ptr_t self, enum devact act)
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{
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struct ufm_softc *sc = (struct ufm_softc *)self;
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switch (act) {
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case DVACT_ACTIVATE:
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return (EOPNOTSUPP);
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break;
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case DVACT_DEACTIVATE:
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sc->sc_dying = 1;
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break;
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}
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return (0);
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}
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USB_DETACH(ufm)
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{
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USB_DETACH_START(ufm, sc);
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struct ufm_endpoint *sce;
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int i, dir;
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int s;
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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int maj, mn;
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DPRINTF(("ufm_detach: sc=%p flags=%d\n", sc, flags));
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#elif defined(__FreeBSD__)
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DPRINTF(("ufm_detach: sc=%p\n", sc));
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#endif
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sc->sc_dying = 1;
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s = splusb();
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if (--sc->sc_refcnt >= 0) {
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/* Wait for processes to go away. */
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usb_detach_wait(USBDEV(sc->sc_dev));
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}
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splx(s);
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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/* locate the major number */
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for (maj = 0; maj < nchrdev; maj++)
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if (cdevsw[maj].d_open == ufmopen)
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break;
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/* Nuke the vnodes for any open instances (calls close). */
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mn = self->dv_unit * USB_MAX_ENDPOINTS;
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vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
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#elif defined(__FreeBSD__)
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/* XXX not implemented yet */
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#endif
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usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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return (0);
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}
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#endif /* defined(__NetBSD__) || defined(__OpenBSD__) */
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#if defined(__FreeBSD__)
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Static int
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ufm_detach(device_t self)
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{
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DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
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return 0;
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}
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DRIVER_MODULE(ufm, uhub, ufm_driver, ufm_devclass, usbd_driver_load, 0);
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#endif
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