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1116 lines
29 KiB
C
1116 lines
29 KiB
C
/* $NetBSD: usb_subr.c,v 1.29 1999/03/18 12:08:43 augustss Exp $ */
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/* $FreeBSD$ */
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/*
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* Copyright (c) 1998 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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#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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#elif defined(__FreeBSD__)
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#include <sys/module.h>
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#include <sys/bus.h>
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#endif
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#include <sys/proc.h>
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#include <sys/select.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/usbdivar.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usb_quirks.h>
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#if defined(__FreeBSD__)
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#include <machine/clock.h>
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#define delay(d) DELAY(d)
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#endif
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#ifdef USB_DEBUG
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#define DPRINTF(x) if (usbdebug) logprintf x
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#define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x
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extern int usbdebug;
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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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typedef u_int16_t usb_vendor_id_t;
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typedef u_int16_t usb_product_id_t;
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/*
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* Descriptions of of known vendors and devices ("products").
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*/
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struct usb_knowndev {
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usb_vendor_id_t vendor;
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usb_product_id_t product;
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int flags;
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char *vendorname, *productname;
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};
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#define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */
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#include <dev/usb/usbdevs_data.h>
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static usbd_status usbd_set_config __P((usbd_device_handle, int));
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char *usbd_get_string __P((usbd_device_handle, int, char *));
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int usbd_getnewaddr __P((usbd_bus_handle bus));
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#if defined(__NetBSD__)
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int usbd_print __P((void *aux, const char *pnp));
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int usbd_submatch __P((bdevice *, struct cfdata *cf, void *));
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#endif
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void usbd_free_iface_data __P((usbd_device_handle dev, int ifcno));
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void usbd_kill_pipe __P((usbd_pipe_handle));
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usbd_status usbd_probe_and_attach
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__P((bdevice *parent, usbd_device_handle dev, int port, int addr));
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usbd_status
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usbd_get_string_desc(dev, sindex, langid, sdesc)
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usbd_device_handle dev;
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int sindex;
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int langid;
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usb_string_descriptor_t *sdesc;
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{
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usb_device_request_t req;
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usbd_status r;
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req.bmRequestType = UT_READ_DEVICE;
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req.bRequest = UR_GET_DESCRIPTOR;
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USETW2(req.wValue, UDESC_STRING, sindex);
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USETW(req.wIndex, langid);
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USETW(req.wLength, 1); /* only size byte first */
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r = usbd_do_request(dev, &req, sdesc);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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USETW(req.wLength, sdesc->bLength); /* the whole string */
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return (usbd_do_request(dev, &req, sdesc));
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}
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char *
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usbd_get_string(dev, si, buf)
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usbd_device_handle dev;
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int si;
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char *buf;
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{
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int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE;
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usb_string_descriptor_t us;
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char *s;
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int i, n;
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u_int16_t c;
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usbd_status r;
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if (si == 0)
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return (0);
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if (dev->quirks->uq_flags & UQ_NO_STRINGS)
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return (0);
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if (dev->langid == USBD_NOLANG) {
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/* Set up default language */
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r = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us);
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if (r != USBD_NORMAL_COMPLETION || us.bLength < 4) {
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dev->langid = 0; /* Well, just pick English then */
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} else {
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/* Pick the first language as the default. */
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dev->langid = UGETW(us.bString[0]);
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}
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}
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r = usbd_get_string_desc(dev, si, dev->langid, &us);
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if (r != USBD_NORMAL_COMPLETION)
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return (0);
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s = buf;
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n = us.bLength / 2 - 1;
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for (i = 0; i < n; i++) {
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c = UGETW(us.bString[i]);
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/* Convert from Unicode, handle buggy strings. */
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if ((c & 0xff00) == 0)
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*s++ = c;
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else if ((c & 0x00ff) == 0 && swap)
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*s++ = c >> 8;
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else
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*s++ = '?';
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}
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*s++ = 0;
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return buf;
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}
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void
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usbd_devinfo_vp(dev, v, p)
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usbd_device_handle dev;
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char *v, *p;
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{
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usb_device_descriptor_t *udd = &dev->ddesc;
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char *vendor, *product;
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struct usb_knowndev *kdp;
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vendor = usbd_get_string(dev, udd->iManufacturer, v);
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product = usbd_get_string(dev, udd->iProduct, p);
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if (!vendor) {
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for(kdp = usb_knowndevs;
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kdp->vendorname != NULL;
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kdp++) {
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if (kdp->vendor == UGETW(udd->idVendor) &&
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(kdp->product == UGETW(udd->idProduct) ||
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(kdp->flags & USB_KNOWNDEV_NOPROD) != 0))
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break;
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}
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if (kdp->vendorname == NULL) {
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vendor = product = NULL;
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} else {
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vendor = kdp->vendorname;
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product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ?
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kdp->productname : NULL;
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}
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}
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if (vendor)
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strcpy(v, vendor);
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else
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sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor));
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if (product)
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strcpy(p, product);
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else
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sprintf(p, "product 0x%04x", UGETW(udd->idProduct));
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}
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int
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usbd_printBCD(cp, bcd)
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char *cp;
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int bcd;
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{
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return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff));
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}
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void
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usbd_devinfo(dev, showclass, cp)
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usbd_device_handle dev;
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int showclass;
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char *cp;
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{
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usb_device_descriptor_t *udd = &dev->ddesc;
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char vendor[USB_MAX_STRING_LEN];
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char product[USB_MAX_STRING_LEN];
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int bcdDevice, bcdUSB;
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usbd_devinfo_vp(dev, vendor, product);
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cp += sprintf(cp, "%s %s", vendor, product);
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if (showclass)
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cp += sprintf(cp, ", class %d/%d",
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udd->bDeviceClass, udd->bDeviceSubClass);
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bcdUSB = UGETW(udd->bcdUSB);
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bcdDevice = UGETW(udd->bcdDevice);
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cp += sprintf(cp, ", rev ");
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cp += usbd_printBCD(cp, bcdUSB);
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*cp++ = '/';
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cp += usbd_printBCD(cp, bcdDevice);
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cp += sprintf(cp, ", addr %d", dev->address);
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*cp = 0;
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}
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/* Delay for a certain number of ms */
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void
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usb_delay_ms(bus, ms)
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usbd_bus_handle bus;
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u_int ms;
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{
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/* Wait at least two clock ticks so we know the time has passed. */
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if (bus->use_polling)
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delay((ms+1) * 1000);
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else
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tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1);
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}
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/* Delay given a device handle. */
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void
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usbd_delay_ms(dev, ms)
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usbd_device_handle dev;
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u_int ms;
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{
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usb_delay_ms(dev->bus, ms);
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}
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usbd_status
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usbd_reset_port(dev, port, ps)
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usbd_device_handle dev;
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int port;
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usb_port_status_t *ps;
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{
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usb_device_request_t req;
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usbd_status r;
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int n;
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req.bmRequestType = UT_WRITE_CLASS_OTHER;
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req.bRequest = UR_SET_FEATURE;
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USETW(req.wValue, UHF_PORT_RESET);
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USETW(req.wIndex, port);
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USETW(req.wLength, 0);
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r = usbd_do_request(dev, &req, 0);
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DPRINTFN(1,("usbd_reset_port: port %d reset done, %s\n",
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port, usbd_errstr(r)));
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if (r != USBD_NORMAL_COMPLETION)
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return(r);
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n = 10;
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do {
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/* Wait for device to recover from reset. */
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usbd_delay_ms(dev, USB_PORT_RESET_DELAY);
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r = usbd_get_port_status(dev, port, ps);
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if (r != USBD_NORMAL_COMPLETION) {
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DPRINTF(("usbd_reset_port: get port %d status failed %s\n",
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port, usbd_errstr(r)));
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return (r);
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}
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} while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0);
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if (n == 0) {
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printf("usbd_reset_port: timeout\n");
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return (USBD_IOERROR);
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}
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r = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET);
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#ifdef USB_DEBUG
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if (r != USBD_NORMAL_COMPLETION)
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DPRINTF(("usbd_reset_port: clear port %d feature failed %d\n",
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port, r));
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#endif
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/* Wait for the device to recover from reset. */
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usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY);
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return (r);
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}
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usb_interface_descriptor_t *
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usbd_find_idesc(cd, ifaceidx, altidx)
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usb_config_descriptor_t *cd;
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int ifaceidx;
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int altidx;
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{
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char *p = (char *)cd;
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char *end = p + UGETW(cd->wTotalLength);
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usb_interface_descriptor_t *d;
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int curidx, lastidx, curaidx = 0;
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for (curidx = lastidx = -1; p < end; ) {
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d = (usb_interface_descriptor_t *)p;
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DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d "
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"type=%d\n",
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ifaceidx, curidx, altidx, curaidx,
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d->bLength, d->bDescriptorType));
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if (d->bLength == 0) /* bad descriptor */
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break;
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p += d->bLength;
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if (p <= end && d->bDescriptorType == UDESC_INTERFACE) {
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if (d->bInterfaceNumber != lastidx) {
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lastidx = d->bInterfaceNumber;
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curidx++;
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curaidx = 0;
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} else
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curaidx++;
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if (ifaceidx == curidx && altidx == curaidx)
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return (d);
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}
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}
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return (0);
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}
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usb_endpoint_descriptor_t *
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usbd_find_edesc(cd, ifaceidx, altidx, endptidx)
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usb_config_descriptor_t *cd;
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int ifaceidx;
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int altidx;
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int endptidx;
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{
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char *p = (char *)cd;
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char *end = p + UGETW(cd->wTotalLength);
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usb_interface_descriptor_t *d;
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usb_endpoint_descriptor_t *e;
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int curidx;
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d = usbd_find_idesc(cd, ifaceidx, altidx);
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if (!d)
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return (0);
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if (endptidx >= d->bNumEndpoints) /* quick exit */
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return (0);
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curidx = -1;
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for (p = (char *)d + d->bLength; p < end; ) {
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e = (usb_endpoint_descriptor_t *)p;
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if (e->bLength == 0) /* bad descriptor */
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break;
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p += e->bLength;
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if (p <= end && e->bDescriptorType == UDESC_INTERFACE)
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return (0);
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if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) {
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curidx++;
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if (curidx == endptidx)
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return (e);
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}
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}
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return (0);
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}
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usbd_status
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usbd_fill_iface_data(dev, ifaceidx, altidx)
|
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usbd_device_handle dev;
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int ifaceidx;
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int altidx;
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{
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usbd_interface_handle ifc = &dev->ifaces[ifaceidx];
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char *p, *end;
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int endpt, nendpt;
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DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n",
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ifaceidx, altidx));
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ifc->device = dev;
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ifc->idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx);
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if (ifc->idesc == 0)
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return (USBD_INVAL);
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ifc->index = ifaceidx;
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ifc->altindex = altidx;
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nendpt = ifc->idesc->bNumEndpoints;
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DPRINTFN(10,("usbd_fill_iface_data: found idesc n=%d\n", nendpt));
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if (nendpt != 0) {
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ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint),
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M_USB, M_NOWAIT);
|
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if (ifc->endpoints == 0)
|
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return (USBD_NOMEM);
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} else
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ifc->endpoints = 0;
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ifc->priv = 0;
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p = (char *)ifc->idesc + ifc->idesc->bLength;
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end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength);
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#define ed ((usb_endpoint_descriptor_t *)p)
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for (endpt = 0; endpt < nendpt; endpt++) {
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DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt));
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for (; p < end; p += ed->bLength) {
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ed = (usb_endpoint_descriptor_t *)p;
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DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p "
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"len=%d type=%d\n",
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p, end, ed->bLength, ed->bDescriptorType));
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if (p + ed->bLength <= end && ed->bLength != 0 &&
|
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ed->bDescriptorType == UDESC_ENDPOINT)
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goto found;
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if (ed->bDescriptorType == UDESC_INTERFACE ||
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ed->bLength == 0)
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break;
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}
|
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/* passed end, or bad desc */
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goto bad;
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found:
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ifc->endpoints[endpt].edesc = ed;
|
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ifc->endpoints[endpt].state = USBD_ENDPOINT_ACTIVE;
|
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ifc->endpoints[endpt].refcnt = 0;
|
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ifc->endpoints[endpt].toggle = 0;
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p += ed->bLength;
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}
|
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#undef ed
|
|
LIST_INIT(&ifc->pipes);
|
|
ifc->state = USBD_INTERFACE_ACTIVE;
|
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return (USBD_NORMAL_COMPLETION);
|
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|
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bad:
|
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free(ifc->endpoints, M_USB);
|
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return (USBD_INVAL);
|
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}
|
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|
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void
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usbd_free_iface_data(dev, ifcno)
|
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usbd_device_handle dev;
|
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int ifcno;
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{
|
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usbd_interface_handle ifc = &dev->ifaces[ifcno];
|
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if (ifc->endpoints)
|
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free(ifc->endpoints, M_USB);
|
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}
|
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|
|
static usbd_status
|
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usbd_set_config(dev, conf)
|
|
usbd_device_handle dev;
|
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int conf;
|
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{
|
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usb_device_request_t req;
|
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|
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req.bmRequestType = UT_WRITE_DEVICE;
|
|
req.bRequest = UR_SET_CONFIG;
|
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USETW(req.wValue, conf);
|
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USETW(req.wIndex, 0);
|
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USETW(req.wLength, 0);
|
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return (usbd_do_request(dev, &req, 0));
|
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}
|
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|
|
usbd_status
|
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usbd_set_config_no(dev, no, msg)
|
|
usbd_device_handle dev;
|
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int no;
|
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int msg;
|
|
{
|
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int index;
|
|
usb_config_descriptor_t cd;
|
|
usbd_status r;
|
|
|
|
DPRINTFN(5,("usbd_set_config_no: %d\n", no));
|
|
/* Figure out what config index to use. */
|
|
for (index = 0; index < dev->ddesc.bNumConfigurations; index++) {
|
|
r = usbd_get_config_desc(dev, index, &cd);
|
|
if (r != USBD_NORMAL_COMPLETION)
|
|
return (r);
|
|
if (cd.bConfigurationValue == no)
|
|
return (usbd_set_config_index(dev, index, msg));
|
|
}
|
|
return (USBD_INVAL);
|
|
}
|
|
|
|
usbd_status
|
|
usbd_set_config_index(dev, index, msg)
|
|
usbd_device_handle dev;
|
|
int index;
|
|
int msg;
|
|
{
|
|
usb_status_t ds;
|
|
usb_hub_status_t hs;
|
|
usb_config_descriptor_t cd, *cdp;
|
|
usbd_status r;
|
|
int ifcidx, nifc, len, selfpowered, power;
|
|
|
|
DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index));
|
|
|
|
/* XXX check that all interfaces are idle */
|
|
if (dev->config != 0) {
|
|
DPRINTF(("usbd_set_config_index: free old config\n"));
|
|
/* Free all configuration data structures. */
|
|
nifc = dev->cdesc->bNumInterface;
|
|
for (ifcidx = 0; ifcidx < nifc; ifcidx++)
|
|
usbd_free_iface_data(dev, ifcidx);
|
|
free(dev->ifaces, M_USB);
|
|
free(dev->cdesc, M_USB);
|
|
dev->ifaces = 0;
|
|
dev->cdesc = 0;
|
|
dev->config = 0;
|
|
dev->state = USBD_DEVICE_ADDRESSED;
|
|
}
|
|
|
|
/* Figure out what config number to use. */
|
|
r = usbd_get_config_desc(dev, index, &cd);
|
|
if (r != USBD_NORMAL_COMPLETION)
|
|
return (r);
|
|
len = UGETW(cd.wTotalLength);
|
|
cdp = malloc(len, M_USB, M_NOWAIT);
|
|
if (cdp == 0)
|
|
return (USBD_NOMEM);
|
|
r = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp);
|
|
if (r != USBD_NORMAL_COMPLETION)
|
|
goto bad;
|
|
if (cdp->bDescriptorType != UDESC_CONFIG) {
|
|
DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n",
|
|
cdp->bDescriptorType));
|
|
r = USBD_INVAL;
|
|
goto bad;
|
|
}
|
|
selfpowered = 0;
|
|
if (cdp->bmAttributes & UC_SELF_POWERED) {
|
|
/* May be self powered. */
|
|
if (cdp->bmAttributes & UC_BUS_POWERED) {
|
|
/* Must ask device. */
|
|
if (dev->quirks->uq_flags & UQ_HUB_POWER) {
|
|
/* Buggy hub, use hub descriptor. */
|
|
r = usbd_get_hub_status(dev, &hs);
|
|
if (r == USBD_NORMAL_COMPLETION &&
|
|
!(UGETW(hs.wHubStatus) & UHS_LOCAL_POWER))
|
|
selfpowered = 1;
|
|
} else {
|
|
r = usbd_get_device_status(dev, &ds);
|
|
if (r == USBD_NORMAL_COMPLETION &&
|
|
(UGETW(ds.wStatus) & UDS_SELF_POWERED))
|
|
selfpowered = 1;
|
|
}
|
|
DPRINTF(("usbd_set_config_index: status=0x%04x, %s\n",
|
|
UGETW(ds.wStatus), usbd_errstr(r)));
|
|
} else
|
|
selfpowered = 1;
|
|
}
|
|
DPRINTF(("usbd_set_config_index: (addr %d) attr=0x%02x, "
|
|
"selfpowered=%d, power=%d, powerquirk=%x\n",
|
|
dev->address, cdp->bmAttributes,
|
|
selfpowered, cdp->bMaxPower * 2,
|
|
dev->quirks->uq_flags & UQ_HUB_POWER));
|
|
#ifdef USB_DEBUG
|
|
if (!dev->powersrc) {
|
|
printf("usbd_set_config_index: No power source?\n");
|
|
return (USBD_IOERROR);
|
|
}
|
|
#endif
|
|
power = cdp->bMaxPower * 2;
|
|
if (power > dev->powersrc->power) {
|
|
/* XXX print nicer message. */
|
|
if (msg)
|
|
printf("%s: device addr %d (config %d) exceeds power "
|
|
"budget, %d mA > %d mA\n",
|
|
USBDEVNAME(dev->bus->bdev), dev->address,
|
|
cdp->bConfigurationValue,
|
|
power, dev->powersrc->power);
|
|
r = USBD_NO_POWER;
|
|
goto bad;
|
|
}
|
|
dev->power = power;
|
|
dev->self_powered = selfpowered;
|
|
|
|
DPRINTF(("usbd_set_config_index: set config %d\n",
|
|
cdp->bConfigurationValue));
|
|
r = usbd_set_config(dev, cdp->bConfigurationValue);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTF(("usbd_set_config_index: setting config=%d failed, %s\n",
|
|
cdp->bConfigurationValue, usbd_errstr(r)));
|
|
goto bad;
|
|
}
|
|
DPRINTF(("usbd_set_config_index: setting new config %d\n",
|
|
cdp->bConfigurationValue));
|
|
nifc = cdp->bNumInterface;
|
|
dev->ifaces = malloc(nifc * sizeof(struct usbd_interface),
|
|
M_USB, M_NOWAIT);
|
|
if (dev->ifaces == 0) {
|
|
r = USBD_NOMEM;
|
|
goto bad;
|
|
}
|
|
DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp));
|
|
dev->cdesc = cdp;
|
|
dev->config = cdp->bConfigurationValue;
|
|
dev->state = USBD_DEVICE_CONFIGURED;
|
|
for (ifcidx = 0; ifcidx < nifc; ifcidx++) {
|
|
r = usbd_fill_iface_data(dev, ifcidx, 0);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
while (--ifcidx >= 0)
|
|
usbd_free_iface_data(dev, ifcidx);
|
|
goto bad;
|
|
}
|
|
}
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
bad:
|
|
free(cdp, M_USB);
|
|
return (r);
|
|
}
|
|
|
|
/* XXX add function for alternate settings */
|
|
|
|
usbd_status
|
|
usbd_setup_pipe(dev, iface, ep, pipe)
|
|
usbd_device_handle dev;
|
|
usbd_interface_handle iface;
|
|
struct usbd_endpoint *ep;
|
|
usbd_pipe_handle *pipe;
|
|
{
|
|
usbd_pipe_handle p;
|
|
usbd_status r;
|
|
|
|
DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n",
|
|
dev, iface, ep, pipe));
|
|
p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT);
|
|
if (p == 0)
|
|
return (USBD_NOMEM);
|
|
p->device = dev;
|
|
p->iface = iface;
|
|
p->state = USBD_PIPE_ACTIVE;
|
|
p->endpoint = ep;
|
|
ep->refcnt++;
|
|
p->refcnt = 1;
|
|
p->intrreqh = 0;
|
|
p->running = 0;
|
|
p->disco = 0;
|
|
p->discoarg = 0;
|
|
SIMPLEQ_INIT(&p->queue);
|
|
r = dev->bus->open_pipe(p);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, %s\n",
|
|
ep->edesc->bEndpointAddress, usbd_errstr(r)));
|
|
free(p, M_USB);
|
|
return (r);
|
|
}
|
|
*pipe = p;
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
/* Abort the device control pipe. */
|
|
void
|
|
usbd_kill_pipe(pipe)
|
|
usbd_pipe_handle pipe;
|
|
{
|
|
pipe->methods->close(pipe);
|
|
pipe->endpoint->refcnt--;
|
|
free(pipe, M_USB);
|
|
}
|
|
|
|
int
|
|
usbd_getnewaddr(bus)
|
|
usbd_bus_handle bus;
|
|
{
|
|
int addr;
|
|
|
|
for (addr = 1; addr < USB_MAX_DEVICES; addr++)
|
|
if (bus->devices[addr] == 0)
|
|
return (addr);
|
|
return (-1);
|
|
}
|
|
|
|
usbd_status
|
|
usbd_probe_and_attach(parent, dev, port, addr)
|
|
bdevice *parent;
|
|
usbd_device_handle dev;
|
|
int port;
|
|
int addr;
|
|
{
|
|
struct usb_attach_arg uaa;
|
|
usb_device_descriptor_t *dd = &dev->ddesc;
|
|
int found = 0;
|
|
int r, i, confi, nifaces;
|
|
usbd_interface_handle ifaces[256]; /* 256 is the absolute max */
|
|
|
|
#if defined(__FreeBSD__)
|
|
/* XXX uaa is a static var. Not a problem as it _should_ be used only
|
|
* during probe and attach. Should be changed however
|
|
*/
|
|
bdevice bdev;
|
|
bdev = device_add_child(*parent, NULL, -1, &uaa);
|
|
if (!bdev) {
|
|
printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev));
|
|
return (USBD_INVAL);
|
|
}
|
|
device_quiet(bdev);
|
|
#endif
|
|
|
|
uaa.device = dev;
|
|
uaa.iface = 0;
|
|
uaa.ifaces = 0;
|
|
uaa.nifaces = 0;
|
|
uaa.usegeneric = 0;
|
|
uaa.port = port;
|
|
uaa.configno = UHUB_UNK_CONFIGURATION;
|
|
uaa.ifaceno = UHUB_UNK_INTERFACE;
|
|
|
|
/* First try with device specific drivers. */
|
|
if (USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch))
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
DPRINTF(("usbd_probe_and_attach: no device specific driver found\n"));
|
|
|
|
/* Next try with interface drivers. */
|
|
for (confi = 0; confi < dd->bNumConfigurations; confi++) {
|
|
DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n",
|
|
confi));
|
|
r = usbd_set_config_index(dev, confi, 1);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
printf("%s: port %d, set config at addr %d failed, %s\n",
|
|
USBDEVNAME(*parent), port, addr, usbd_errstr(r));
|
|
return (r);
|
|
}
|
|
nifaces = dev->cdesc->bNumInterface;
|
|
uaa.configno = dev->cdesc->bConfigurationValue;
|
|
for (i = 0; i < nifaces; i++)
|
|
ifaces[i] = &dev->ifaces[i];
|
|
uaa.ifaces = ifaces;
|
|
uaa.nifaces = nifaces;
|
|
for (i = 0; i < nifaces; i++) {
|
|
if (!ifaces[i])
|
|
continue; /* interface already claimed */
|
|
uaa.iface = ifaces[i];
|
|
uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber;
|
|
if (USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print,
|
|
usbd_submatch)) {
|
|
found++;
|
|
ifaces[i] = 0; /* consumed */
|
|
|
|
#if defined(__FreeBSD__)
|
|
/* create another device for the next iface */
|
|
bdev = device_add_child(*parent, NULL, -1, &uaa);
|
|
if (!bdev) {
|
|
printf("%s: Device creation failed\n",
|
|
USBDEVNAME(dev->bus->bdev));
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
device_quiet(bdev);
|
|
#endif
|
|
}
|
|
}
|
|
if (found != 0) {
|
|
#if defined(__FreeBSD__)
|
|
/* remove the last created child again, it is unused */
|
|
device_delete_child(*parent, bdev);
|
|
#endif
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
}
|
|
/* No interfaces were attached in any of the configurations. */
|
|
if (dd->bNumConfigurations > 1)/* don't change if only 1 config */
|
|
usbd_set_config_index(dev, 0, 0);
|
|
|
|
DPRINTF(("usbd_probe_and_attach: no interface drivers found\n"));
|
|
|
|
/* Finally try the generic driver. */
|
|
uaa.iface = 0;
|
|
uaa.usegeneric = 1;
|
|
uaa.configno = UHUB_UNK_CONFIGURATION;
|
|
uaa.ifaceno = UHUB_UNK_INTERFACE;
|
|
if (USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch))
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
/*
|
|
* The generic attach failed, but leave the device as it is.
|
|
* We just did not find any drivers, that's all. The device is
|
|
* fully operational and not harming anyone.
|
|
*/
|
|
DPRINTF(("usbd_probe_and_attach: generic attach failed\n"));
|
|
#if defined(__FreeBSD__)
|
|
/*
|
|
* XXX should we delete the child again? Left for now to avoid dangling
|
|
* references.
|
|
device_delete_child(*parent, bdev);
|
|
*/
|
|
#endif
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Called when a new device has been put in the powered state,
|
|
* but not yet in the addressed state.
|
|
* Get initial descriptor, set the address, get full descriptor,
|
|
* and attach a driver.
|
|
*/
|
|
usbd_status
|
|
usbd_new_device(parent, bus, depth, lowspeed, port, up)
|
|
bdevice *parent;
|
|
usbd_bus_handle bus;
|
|
int depth;
|
|
int lowspeed;
|
|
int port;
|
|
struct usbd_port *up;
|
|
{
|
|
usbd_device_handle dev;
|
|
usb_device_descriptor_t *dd;
|
|
usbd_status r;
|
|
int addr;
|
|
int i;
|
|
|
|
DPRINTF(("usbd_new_device bus=%p depth=%d lowspeed=%d\n",
|
|
bus, depth, lowspeed));
|
|
addr = usbd_getnewaddr(bus);
|
|
if (addr < 0) {
|
|
printf("%s: No free USB addresses, new device ignored.\n",
|
|
USBDEVNAME(bus->bdev));
|
|
return (USBD_NO_ADDR);
|
|
}
|
|
|
|
dev = malloc(sizeof *dev, M_USB, M_NOWAIT);
|
|
if (dev == 0)
|
|
return (USBD_NOMEM);
|
|
memset(dev, 0, sizeof(*dev));
|
|
|
|
dev->bus = bus;
|
|
|
|
/* Set up default endpoint handle. */
|
|
dev->def_ep.edesc = &dev->def_ep_desc;
|
|
dev->def_ep.state = USBD_ENDPOINT_ACTIVE;
|
|
|
|
/* Set up default endpoint descriptor. */
|
|
dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE;
|
|
dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT;
|
|
dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT;
|
|
dev->def_ep_desc.bmAttributes = UE_CONTROL;
|
|
USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET);
|
|
dev->def_ep_desc.bInterval = 0;
|
|
|
|
dev->state = USBD_DEVICE_DEFAULT;
|
|
dev->quirks = &usbd_no_quirk;
|
|
dev->address = USB_START_ADDR;
|
|
dev->ddesc.bMaxPacketSize = 0;
|
|
dev->lowspeed = lowspeed != 0;
|
|
dev->depth = depth;
|
|
dev->powersrc = up;
|
|
dev->langid = USBD_NOLANG;
|
|
|
|
/* Establish the the default pipe. */
|
|
r = usbd_setup_pipe(dev, 0, &dev->def_ep, &dev->default_pipe);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
usbd_remove_device(dev, up);
|
|
return (r);
|
|
}
|
|
|
|
up->device = dev;
|
|
dd = &dev->ddesc;
|
|
/* Try a few times in case the device is slow (i.e. outside specs.) */
|
|
for (i = 0; i < 5; i++) {
|
|
/* Get the first 8 bytes of the device descriptor. */
|
|
r = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd);
|
|
if (r == USBD_NORMAL_COMPLETION)
|
|
break;
|
|
usbd_delay_ms(dev, 200);
|
|
}
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc "
|
|
"failed\n",
|
|
addr));
|
|
usbd_remove_device(dev, up);
|
|
return (r);
|
|
}
|
|
|
|
if (dd->bDescriptorType != UDESC_DEVICE) {
|
|
/* Illegal device descriptor */
|
|
DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n",
|
|
dd->bDescriptorType));
|
|
usbd_remove_device(dev, up);
|
|
return (USBD_INVAL);
|
|
}
|
|
|
|
DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, "
|
|
"subclass=%d, protocol=%d, maxpacket=%d, ls=%d\n",
|
|
addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass,
|
|
dd->bDeviceProtocol, dd->bMaxPacketSize, dev->lowspeed));
|
|
|
|
USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize);
|
|
|
|
/* Get the full device descriptor. */
|
|
r = usbd_get_device_desc(dev, dd);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc "
|
|
"failed\n", addr));
|
|
usbd_remove_device(dev, up);
|
|
return (r);
|
|
}
|
|
|
|
/* Figure out what's wrong with this device. */
|
|
dev->quirks = usbd_find_quirk(dd);
|
|
|
|
/* Set the address */
|
|
r = usbd_set_address(dev, addr);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTFN(-1,("usbd_new_device: set address %d failed\n",addr));
|
|
r = USBD_SET_ADDR_FAILED;
|
|
usbd_remove_device(dev, up);
|
|
return (r);
|
|
}
|
|
/* Allow device time to set new address */
|
|
usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE);
|
|
|
|
dev->address = addr; /* New device address now */
|
|
dev->state = USBD_DEVICE_ADDRESSED;
|
|
bus->devices[addr] = dev;
|
|
|
|
/* Assume 100mA bus powered for now. Changed when configured. */
|
|
dev->power = USB_MIN_POWER;
|
|
dev->self_powered = 0;
|
|
|
|
DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n",
|
|
addr, dev, parent));
|
|
|
|
r = usbd_probe_and_attach(parent, dev, port, addr);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
usbd_remove_device(dev, up);
|
|
return (r);
|
|
}
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
void
|
|
usbd_remove_device(dev, up)
|
|
usbd_device_handle dev;
|
|
struct usbd_port *up;
|
|
{
|
|
DPRINTF(("usbd_remove_device: %p\n", dev));
|
|
|
|
if (dev->default_pipe)
|
|
usbd_kill_pipe(dev->default_pipe);
|
|
up->device = 0;
|
|
dev->bus->devices[dev->address] = 0;
|
|
|
|
free(dev, M_USB);
|
|
}
|
|
|
|
#if defined(__NetBSD__)
|
|
int
|
|
usbd_print(aux, pnp)
|
|
void *aux;
|
|
const char *pnp;
|
|
{
|
|
struct usb_attach_arg *uaa = aux;
|
|
char devinfo[1024];
|
|
|
|
DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device));
|
|
if (pnp) {
|
|
if (!uaa->usegeneric)
|
|
return (QUIET);
|
|
usbd_devinfo(uaa->device, 1, devinfo);
|
|
printf("%s, %s", devinfo, pnp);
|
|
}
|
|
if (uaa->port != 0)
|
|
printf(" port %d", uaa->port);
|
|
if (uaa->configno != UHUB_UNK_CONFIGURATION)
|
|
printf(" configuration %d", uaa->configno);
|
|
if (uaa->ifaceno != UHUB_UNK_INTERFACE)
|
|
printf(" interface %d", uaa->ifaceno);
|
|
return (UNCONF);
|
|
}
|
|
|
|
int
|
|
usbd_submatch(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
struct usb_attach_arg *uaa = aux;
|
|
|
|
if ((uaa->port != 0 &&
|
|
cf->uhubcf_port != UHUB_UNK_PORT &&
|
|
cf->uhubcf_port != uaa->port) ||
|
|
(uaa->configno != UHUB_UNK_CONFIGURATION &&
|
|
cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION &&
|
|
cf->uhubcf_configuration != uaa->configno) ||
|
|
(uaa->ifaceno != UHUB_UNK_INTERFACE &&
|
|
cf->uhubcf_interface != UHUB_UNK_INTERFACE &&
|
|
cf->uhubcf_interface != uaa->ifaceno))
|
|
return 0;
|
|
return ((*cf->cf_attach->ca_match)(parent, cf, aux));
|
|
}
|
|
#endif
|
|
|
|
usbd_status
|
|
usb_insert_transfer(reqh)
|
|
usbd_request_handle reqh;
|
|
{
|
|
usbd_pipe_handle pipe = reqh->pipe;
|
|
usbd_interface_handle iface = pipe->iface;
|
|
|
|
if (pipe->state == USBD_PIPE_IDLE ||
|
|
(iface && iface->state == USBD_INTERFACE_IDLE))
|
|
return (USBD_IS_IDLE);
|
|
SIMPLEQ_INSERT_TAIL(&pipe->queue, reqh, next);
|
|
if (pipe->state != USBD_PIPE_ACTIVE ||
|
|
(iface && iface->state != USBD_INTERFACE_ACTIVE))
|
|
return (USBD_NOT_STARTED);
|
|
if (pipe->running)
|
|
return (USBD_IN_PROGRESS);
|
|
pipe->running = 1;
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
void
|
|
usb_start_next(pipe)
|
|
usbd_pipe_handle pipe;
|
|
{
|
|
usbd_request_handle reqh;
|
|
usbd_status r;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (SIMPLEQ_FIRST(&pipe->queue) == 0) {
|
|
printf("usb_start_next: empty\n");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* First remove remove old */
|
|
#if defined(__NetBSD__)
|
|
SIMPLEQ_REMOVE_HEAD(&pipe->queue, SIMPLEQ_FIRST(&pipe->queue), next);
|
|
#elif defined(__FreeBSD__)
|
|
SIMPLEQ_REMOVE_HEAD(&pipe->queue, next);
|
|
#endif
|
|
if (pipe->state != USBD_PIPE_ACTIVE) {
|
|
pipe->running = 0;
|
|
return;
|
|
}
|
|
reqh = SIMPLEQ_FIRST(&pipe->queue);
|
|
DPRINTFN(5, ("usb_start_next: start reqh=%p\n", reqh));
|
|
if (!reqh)
|
|
pipe->running = 0;
|
|
else {
|
|
r = pipe->methods->start(reqh);
|
|
if (r != USBD_IN_PROGRESS) {
|
|
printf("usb_start_next: error=%d\n", r);
|
|
pipe->running = 0;
|
|
/* XXX do what? */
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
usbd_fill_deviceinfo(dev, di)
|
|
usbd_device_handle dev;
|
|
struct usb_device_info *di;
|
|
{
|
|
struct usbd_port *p;
|
|
int i, r, s;
|
|
|
|
di->config = dev->config;
|
|
usbd_devinfo_vp(dev, di->vendor, di->product);
|
|
usbd_printBCD(di->revision, UGETW(dev->ddesc.bcdDevice));
|
|
di->vendorNo = UGETW(dev->ddesc.idVendor);
|
|
di->productNo = UGETW(dev->ddesc.idProduct);
|
|
di->class = dev->ddesc.bDeviceClass;
|
|
di->power = dev->self_powered ? 0 : dev->power;
|
|
di->lowspeed = dev->lowspeed;
|
|
di->addr = dev->address;
|
|
if (dev->hub) {
|
|
for (i = 0;
|
|
i < sizeof(di->ports) / sizeof(di->ports[0]) &&
|
|
i < dev->hub->hubdesc.bNbrPorts;
|
|
i++) {
|
|
p = &dev->hub->ports[i];
|
|
if (p->device)
|
|
r = p->device->address;
|
|
else {
|
|
s = UGETW(p->status.wPortStatus);
|
|
if (s & UPS_PORT_ENABLED)
|
|
r = USB_PORT_ENABLED;
|
|
else if (s & UPS_SUSPEND)
|
|
r = USB_PORT_SUSPENDED;
|
|
else if (s & UPS_PORT_POWER)
|
|
r = USB_PORT_POWERED;
|
|
else
|
|
r = USB_PORT_DISABLED;
|
|
}
|
|
di->ports[i] = r;
|
|
}
|
|
di->nports = dev->hub->hubdesc.bNbrPorts;
|
|
} else
|
|
di->nports = 0;
|
|
}
|
|
|