572 lines
13 KiB
C
572 lines
13 KiB
C
/* $NetBSD: urio.c,v 1.5 2000/10/24 14:53:59 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 (lennart@augustsson.net) 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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( uaa->vendor == USB_VENDOR_DIAMOND2 &&
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uaa->product == USB_PRODUCT_DIAMOND2_RIO600USB )
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)
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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, 1);
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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(device_ptr_t self, 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_t dev, int flag, int mode, 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_t dev, int flag, int mode, 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_t dev, struct uio *uio, 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_t dev, struct uio *uio, 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_t dev, u_long cmd, caddr_t addr, int flag, 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;
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DPRINTFN(1,("urio_ioctl: cmd=0x%08lx reqtype=0x%0x req=0x%0x "
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"value=0x%0x index=0x%0x len=0x%0x\n",
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cmd, requesttype, rcmd->request, rcmd->value,
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rcmd->index, len));
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/* Send rio control message */
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req.bmRequestType = requesttype;
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req.bRequest = rcmd->request;
|
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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_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__) */
|