3149043619
XXX This driver might go away again, since you can do it all with ugen. XXX But this driver is compatible with the Linux driver so there are XXX programs for it.
593 lines
13 KiB
C
593 lines
13 KiB
C
/* $NetBSD: urio.c,v 1.1 2000/04/14 14:20:02 augustss Exp $ */
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/*
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (augustss@carlstedt.se) at
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* Carlstedt Research & Technology.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* The inspiration and information for this driver comes from the
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* FreeBSD driver written by Iwasa Kazmi.
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*/
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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__) || defined(__OpenBSD__)
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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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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <sys/filio.h>
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#endif
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <sys/vnode.h>
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#include <sys/poll.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/urio.h>
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#ifdef URIO_DEBUG
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#define DPRINTF(x) if (uriodebug) logprintf x
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#define DPRINTFN(n,x) if (uriodebug>(n)) logprintf x
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int uriodebug = 0;
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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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#if defined(__NetBSD__) || defined(__OpenBSD__)
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cdev_decl(urio);
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#elif defined(__FreeBSD__)
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d_open_t urioopen;
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d_close_t urioclose;
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d_read_t urioread;
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d_write_t uriowrite;
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d_ioctl_t urioioctl;
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#define URIO_CDEV_MAJOR 143
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static struct cdevsw urio_cdevsw = {
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urioopen, urioclose, urioread, uriowrite,
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urioioctl, nopoll, nommap, nostrategy,
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"urio", URIO_CDEV_MAJOR,nodump, nopsize,
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0, -1
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};
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#endif /* defined(__FreeBSD__) */
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#define URIO_CONFIG_NO 1
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#define URIO_IFACE_IDX 0
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#define URIO_BSIZE 4096
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struct urio_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_in_addr;
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usbd_pipe_handle sc_in_pipe;
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int sc_out_addr;
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usbd_pipe_handle sc_out_pipe;
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int sc_refcnt;
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char sc_dying;
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};
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#define URIOUNIT(n) (minor(n))
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#define URIO_RW_TIMEOUT 4000 /* ms */
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USB_DECLARE_DRIVER(urio);
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USB_MATCH(urio)
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{
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USB_MATCH_START(urio, uaa);
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DPRINTFN(50,("urio_match\n"));
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if (uaa->iface != NULL)
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return (UMATCH_NONE);
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if (uaa->vendor == USB_VENDOR_DIAMOND &&
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uaa->product == USB_PRODUCT_DIAMOND_RIO500USB)
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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(urio)
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{
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USB_ATTACH_START(urio, sc, uaa);
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usbd_device_handle dev = uaa->device;
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usbd_interface_handle iface;
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char devinfo[1024];
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usbd_status err;
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usb_endpoint_descriptor_t *ed;
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u_int8_t epcount;
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int i;
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DPRINTFN(10,("urio_attach: sc=%p\n", sc));
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usbd_devinfo(dev, 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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err = usbd_set_config_no(dev, URIO_CONFIG_NO, 0);
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if (err) {
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printf("%s: setting config no failed\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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err = usbd_device2interface_handle(dev, URIO_IFACE_IDX, &iface);
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if (err) {
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printf("%s: getting interface handle failed\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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sc->sc_udev = dev;
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sc->sc_iface = iface;
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epcount = 0;
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(void)usbd_endpoint_count(iface, &epcount);
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sc->sc_in_addr = -1;
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sc->sc_out_addr = -1;
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for (i = 0; i < epcount; i++) {
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ed = usbd_interface2endpoint_descriptor(iface, i);
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if (ed == NULL) {
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printf("%s: couldn't get ep %d\n",
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USBDEVNAME(sc->sc_dev), i);
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USB_ATTACH_ERROR_RETURN;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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sc->sc_in_addr = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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sc->sc_out_addr = ed->bEndpointAddress;
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}
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}
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if (sc->sc_in_addr == -1 || sc->sc_out_addr == -1) {
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printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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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(&urio_cdevsw, device_get_unit(self),
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UID_ROOT, GID_OPERATOR,
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0644, "urio%d", device_get_unit(self));
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#endif /* defined(__FreeBSD__) */
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DPRINTFN(10, ("urio_attach: %p\n", sc->sc_udev));
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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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USB_ATTACH_SUCCESS_RETURN;
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}
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USB_DETACH(urio)
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{
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USB_DETACH_START(urio, sc);
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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(("urio_detach: sc=%p flags=%d\n", sc, flags));
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#elif defined(__FreeBSD__)
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DPRINTF(("urio_detach: sc=%p\n", sc));
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#endif
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sc->sc_dying = 1;
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/* Abort all pipes. Causes processes waiting for transfer to wake. */
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if (sc->sc_in_pipe != NULL) {
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usbd_abort_pipe(sc->sc_in_pipe);
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usbd_close_pipe(sc->sc_in_pipe);
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sc->sc_in_pipe = NULL;
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}
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if (sc->sc_out_pipe != NULL) {
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usbd_abort_pipe(sc->sc_out_pipe);
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usbd_close_pipe(sc->sc_out_pipe);
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sc->sc_out_pipe = NULL;
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}
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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 == urioopen)
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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;
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vdevgone(maj, mn, mn, 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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#if defined(__NetBSD__) || defined(__OpenBSD__)
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int
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urio_activate(self, act)
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device_ptr_t self;
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enum devact act;
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{
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struct urio_softc *sc = (struct urio_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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#endif
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int
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urioopen(dev, flag, mode, p)
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dev_t dev;
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int flag;
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int mode;
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struct proc *p;
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{
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struct urio_softc *sc;
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usbd_status err;
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USB_GET_SC_OPEN(urio, URIOUNIT(dev), sc);
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DPRINTFN(5, ("urioopen: flag=%d, mode=%d, unit=%d\n",
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flag, mode, URIOUNIT(dev)));
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if (sc->sc_dying)
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return (EIO);
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if (sc->sc_in_pipe != NULL)
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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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err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr, 0, &sc->sc_in_pipe);
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if (err)
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return (EIO);
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err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr,0,&sc->sc_out_pipe);
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if (err) {
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usbd_close_pipe(sc->sc_in_pipe);
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sc->sc_in_pipe = NULL;
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return (EIO);
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}
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return (0);
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}
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int
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urioclose(dev, flag, mode, p)
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dev_t dev;
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int flag;
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int mode;
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struct proc *p;
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{
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struct urio_softc *sc;
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USB_GET_SC(urio, URIOUNIT(dev), sc);
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DPRINTFN(5, ("urioclose: flag=%d, mode=%d, unit=%d\n",
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flag, mode, URIOUNIT(dev)));
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if (sc->sc_in_pipe != NULL) {
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usbd_abort_pipe(sc->sc_in_pipe);
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usbd_close_pipe(sc->sc_in_pipe);
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sc->sc_in_pipe = NULL;
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}
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if (sc->sc_out_pipe != NULL) {
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usbd_abort_pipe(sc->sc_out_pipe);
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usbd_close_pipe(sc->sc_out_pipe);
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sc->sc_out_pipe = NULL;
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}
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return (0);
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}
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int
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urioread(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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struct urio_softc *sc;
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usbd_xfer_handle xfer;
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usbd_status err;
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void *bufp;
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u_int32_t n, tn;
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int error = 0;
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USB_GET_SC(urio, URIOUNIT(dev), sc);
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DPRINTFN(5, ("urioread: %d\n", URIOUNIT(dev)));
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if (sc->sc_dying)
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return (EIO);
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xfer = usbd_alloc_xfer(sc->sc_udev);
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if (xfer == NULL)
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return (ENOMEM);
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bufp = usbd_alloc_buffer(xfer, URIO_BSIZE);
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if (bufp == NULL) {
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usbd_free_xfer(xfer);
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return (ENOMEM);
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}
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sc->sc_refcnt++;
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while ((n = min(URIO_BSIZE, uio->uio_resid)) != 0) {
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DPRINTFN(1, ("urioread: start transfer %d bytes\n", n));
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tn = n;
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err = usbd_bulk_transfer(xfer, sc->sc_in_pipe, 0,
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URIO_RW_TIMEOUT, bufp, &tn, "uriors");
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if (err) {
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if (err == USBD_INTERRUPTED)
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error = EINTR;
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else if (err == USBD_TIMEOUT)
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error = ETIMEDOUT;
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else
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error = EIO;
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break;
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}
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DPRINTFN(1, ("urioread: got %d bytes\n", tn));
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error = uiomove(bufp, tn, uio);
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if (error || tn < n)
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break;
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}
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usbd_free_xfer(xfer);
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if (--sc->sc_refcnt < 0)
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usb_detach_wakeup(USBDEV(sc->sc_dev));
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return (error);
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}
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int
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uriowrite(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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struct urio_softc *sc;
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usbd_xfer_handle xfer;
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usbd_status err;
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void *bufp;
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u_int32_t n;
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int error = 0;
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USB_GET_SC(urio, URIOUNIT(dev), sc);
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DPRINTFN(5, ("uriowrite: unit=%d, len=%ld\n", URIOUNIT(dev),
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(long)uio->uio_resid));
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if (sc->sc_dying)
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return (EIO);
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xfer = usbd_alloc_xfer(sc->sc_udev);
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if (xfer == NULL)
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return (ENOMEM);
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bufp = usbd_alloc_buffer(xfer, URIO_BSIZE);
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if (bufp == NULL) {
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usbd_free_xfer(xfer);
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return (ENOMEM);
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}
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sc->sc_refcnt++;
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while ((n = min(URIO_BSIZE, uio->uio_resid)) != 0) {
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error = uiomove(bufp, n, uio);
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if (error)
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break;
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DPRINTFN(1, ("uriowrite: transfer %d bytes\n", n));
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err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, 0,
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URIO_RW_TIMEOUT, bufp, &n, "uriowr");
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DPRINTFN(2, ("uriowrite: err=%d\n", err));
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if (err) {
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if (err == USBD_INTERRUPTED)
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error = EINTR;
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else if (err == USBD_TIMEOUT)
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error = ETIMEDOUT;
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else
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error = EIO;
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break;
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}
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}
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usbd_free_xfer(xfer);
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if (--sc->sc_refcnt < 0)
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usb_detach_wakeup(USBDEV(sc->sc_dev));
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DPRINTFN(5, ("uriowrite: done unit=%d, error=%d\n", URIOUNIT(dev),
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error));
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return (error);
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}
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int
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urioioctl(dev, cmd, addr, flag, p)
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dev_t dev;
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u_long cmd;
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caddr_t addr;
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int flag;
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struct proc *p;
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{
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struct urio_softc * sc;
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int unit = URIOUNIT(dev);
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struct urio_command *rcmd;
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int requesttype, len;
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struct iovec iov;
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struct uio uio;
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usb_device_request_t req;
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usbd_status err;
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int req_flags = 0;
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u_int32_t req_actlen = 0;
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void *ptr = NULL;
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int error = 0;
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USB_GET_SC(urio, unit, sc);
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if (sc->sc_dying)
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return (EIO);
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rcmd = (struct urio_command *)addr;
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switch (cmd) {
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case URIO_RECV_COMMAND:
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requesttype = rcmd->requesttype | UT_READ_VENDOR_DEVICE;
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break;
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case URIO_SEND_COMMAND:
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requesttype = rcmd->requesttype | UT_WRITE_VENDOR_DEVICE;
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break;
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default:
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return (EINVAL);
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break;
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}
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if (!(flag & FWRITE))
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return (EPERM);
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|
len = rcmd->length;
|
|
|
|
DPRINTFN(1,("urio_ioctl: cmd=0x%08lx reqtype=0x%0x req=0x%0x "
|
|
"value=0x%0x index=0x%0x len=0x%0x\n",
|
|
cmd, requesttype, rcmd->request, rcmd->value,
|
|
rcmd->index, len));
|
|
|
|
/* Send rio control message */
|
|
req.bmRequestType = requesttype;
|
|
req.bRequest = rcmd->request;
|
|
USETW(req.wValue, rcmd->value);
|
|
USETW(req.wIndex, rcmd->index);
|
|
USETW(req.wLength, len);
|
|
|
|
if (len < 0 || len > 32767)
|
|
return (EINVAL);
|
|
if (len != 0) {
|
|
iov.iov_base = (caddr_t)rcmd->buffer;
|
|
iov.iov_len = len;
|
|
uio.uio_iov = &iov;
|
|
uio.uio_iovcnt = 1;
|
|
uio.uio_resid = len;
|
|
uio.uio_offset = 0;
|
|
uio.uio_segflg = UIO_USERSPACE;
|
|
uio.uio_rw = req.bmRequestType & UT_READ ?
|
|
UIO_READ : UIO_WRITE;
|
|
uio.uio_procp = p;
|
|
ptr = malloc(len, M_TEMP, M_WAITOK);
|
|
if (uio.uio_rw == UIO_WRITE) {
|
|
error = uiomove(ptr, len, &uio);
|
|
if (error)
|
|
goto ret;
|
|
}
|
|
}
|
|
|
|
sc->sc_refcnt++;
|
|
|
|
err = usbd_do_request_flags(sc->sc_udev, &req, ptr, req_flags,
|
|
&req_actlen);
|
|
|
|
if (--sc->sc_refcnt < 0)
|
|
usb_detach_wakeup(USBDEV(sc->sc_dev));
|
|
|
|
if (err) {
|
|
error = EIO;
|
|
} else {
|
|
if (len != 0 && uio.uio_rw == UIO_READ)
|
|
error = uiomove(ptr, len, &uio);
|
|
}
|
|
|
|
ret:
|
|
if (ptr != NULL)
|
|
free(ptr, M_TEMP);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
uriopoll(dev, events, p)
|
|
dev_t dev;
|
|
int events;
|
|
struct proc *p;
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
#if defined(__FreeBSD__)
|
|
DRIVER_MODULE(urio, uhub, urio_driver, urio_devclass, usbd_driver_load, 0);
|
|
#endif /* defined(__FreeBSD__) */
|