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uhidev.c revision 1.25
      1  1.25     skrll /*	$NetBSD: uhidev.c,v 1.25 2005/05/08 06:19:10 skrll Exp $	*/
      2   1.1  augustss 
      3   1.1  augustss /*
      4   1.1  augustss  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5   1.1  augustss  * All rights reserved.
      6   1.1  augustss  *
      7   1.1  augustss  * This code is derived from software contributed to The NetBSD Foundation
      8   1.1  augustss  * by Lennart Augustsson (lennart (at) augustsson.net) at
      9   1.1  augustss  * Carlstedt Research & Technology.
     10   1.1  augustss  *
     11   1.1  augustss  * Redistribution and use in source and binary forms, with or without
     12   1.1  augustss  * modification, are permitted provided that the following conditions
     13   1.1  augustss  * are met:
     14   1.1  augustss  * 1. Redistributions of source code must retain the above copyright
     15   1.1  augustss  *    notice, this list of conditions and the following disclaimer.
     16   1.1  augustss  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.1  augustss  *    notice, this list of conditions and the following disclaimer in the
     18   1.1  augustss  *    documentation and/or other materials provided with the distribution.
     19   1.1  augustss  * 3. All advertising materials mentioning features or use of this software
     20   1.1  augustss  *    must display the following acknowledgement:
     21   1.1  augustss  *        This product includes software developed by the NetBSD
     22   1.1  augustss  *        Foundation, Inc. and its contributors.
     23   1.1  augustss  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24   1.1  augustss  *    contributors may be used to endorse or promote products derived
     25   1.1  augustss  *    from this software without specific prior written permission.
     26   1.1  augustss  *
     27   1.1  augustss  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28   1.1  augustss  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29   1.1  augustss  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30   1.1  augustss  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31   1.1  augustss  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32   1.1  augustss  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33   1.1  augustss  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34   1.1  augustss  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35   1.1  augustss  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36   1.1  augustss  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37   1.1  augustss  * POSSIBILITY OF SUCH DAMAGE.
     38   1.1  augustss  */
     39   1.1  augustss 
     40   1.1  augustss /*
     41  1.14  augustss  * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
     42   1.1  augustss  */
     43  1.15     lukem 
     44  1.15     lukem #include <sys/cdefs.h>
     45  1.25     skrll __KERNEL_RCSID(0, "$NetBSD: uhidev.c,v 1.25 2005/05/08 06:19:10 skrll Exp $");
     46   1.1  augustss 
     47   1.1  augustss #include <sys/param.h>
     48   1.1  augustss #include <sys/systm.h>
     49   1.1  augustss #include <sys/kernel.h>
     50   1.1  augustss #include <sys/malloc.h>
     51   1.1  augustss #include <sys/signalvar.h>
     52   1.1  augustss #include <sys/device.h>
     53   1.1  augustss #include <sys/ioctl.h>
     54   1.1  augustss #include <sys/conf.h>
     55   1.1  augustss 
     56   1.1  augustss #include <dev/usb/usb.h>
     57   1.1  augustss #include <dev/usb/usbhid.h>
     58   1.1  augustss 
     59   1.1  augustss #include <dev/usb/usbdevs.h>
     60   1.1  augustss #include <dev/usb/usbdi.h>
     61   1.1  augustss #include <dev/usb/usbdi_util.h>
     62   1.1  augustss #include <dev/usb/hid.h>
     63   1.1  augustss #include <dev/usb/usb_quirks.h>
     64   1.1  augustss 
     65   1.1  augustss #include <dev/usb/uhidev.h>
     66   1.1  augustss 
     67   1.1  augustss /* Report descriptor for broken Wacom Graphire */
     68   1.1  augustss #include <dev/usb/ugraphire_rdesc.h>
     69   1.1  augustss 
     70  1.22  drochner #include "locators.h"
     71  1.22  drochner 
     72   1.1  augustss #ifdef UHIDEV_DEBUG
     73   1.1  augustss #define DPRINTF(x)	if (uhidevdebug) logprintf x
     74   1.1  augustss #define DPRINTFN(n,x)	if (uhidevdebug>(n)) logprintf x
     75   1.1  augustss int	uhidevdebug = 0;
     76   1.1  augustss #else
     77   1.1  augustss #define DPRINTF(x)
     78   1.1  augustss #define DPRINTFN(n,x)
     79   1.1  augustss #endif
     80   1.1  augustss 
     81   1.1  augustss Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
     82   1.1  augustss 
     83   1.1  augustss Static int uhidev_maxrepid(void *buf, int len);
     84   1.1  augustss Static int uhidevprint(void *aux, const char *pnp);
     85  1.22  drochner Static int uhidevsubmatch(struct device *parent, struct cfdata *cf,
     86  1.22  drochner 			  const locdesc_t *, void *aux);
     87   1.1  augustss 
     88   1.1  augustss USB_DECLARE_DRIVER(uhidev);
     89   1.1  augustss 
     90   1.1  augustss USB_MATCH(uhidev)
     91   1.1  augustss {
     92   1.1  augustss 	USB_MATCH_START(uhidev, uaa);
     93   1.1  augustss 	usb_interface_descriptor_t *id;
     94   1.6  augustss 
     95   1.1  augustss 	if (uaa->iface == NULL)
     96   1.1  augustss 		return (UMATCH_NONE);
     97   1.1  augustss 	id = usbd_get_interface_descriptor(uaa->iface);
     98   1.1  augustss 	if (id == NULL || id->bInterfaceClass != UICLASS_HID)
     99   1.1  augustss 		return (UMATCH_NONE);
    100   1.1  augustss 	if (uaa->matchlvl)
    101   1.1  augustss 		return (uaa->matchlvl);
    102   1.1  augustss 	return (UMATCH_IFACECLASS_GENERIC);
    103   1.1  augustss }
    104   1.1  augustss 
    105   1.1  augustss USB_ATTACH(uhidev)
    106   1.1  augustss {
    107   1.1  augustss 	USB_ATTACH_START(uhidev, sc, uaa);
    108   1.1  augustss 	usbd_interface_handle iface = uaa->iface;
    109   1.1  augustss 	usb_interface_descriptor_t *id;
    110   1.1  augustss 	usb_endpoint_descriptor_t *ed;
    111   1.1  augustss 	struct uhidev_attach_arg uha;
    112   1.1  augustss 	struct uhidev *dev;
    113   1.1  augustss 	int size, nrepid, repid, repsz;
    114   1.2  augustss 	int repsizes[256];
    115  1.25     skrll 	int i;
    116  1.19  jdolecek 	void *desc;
    117  1.20  augustss 	const void *descptr;
    118   1.1  augustss 	usbd_status err;
    119   1.1  augustss 	char devinfo[1024];
    120  1.22  drochner 	int help[2];
    121  1.22  drochner 	locdesc_t *ldesc = (void *)help; /* XXX */
    122   1.6  augustss 
    123   1.1  augustss 	sc->sc_udev = uaa->device;
    124   1.1  augustss 	sc->sc_iface = iface;
    125   1.1  augustss 	id = usbd_get_interface_descriptor(iface);
    126  1.21    itojun 	usbd_devinfo(uaa->device, 0, devinfo, sizeof(devinfo));
    127   1.1  augustss 	USB_ATTACH_SETUP;
    128   1.1  augustss 	printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
    129   1.1  augustss 	       devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
    130   1.1  augustss 
    131   1.1  augustss 	(void)usbd_set_idle(iface, 0, 0);
    132   1.1  augustss #if 0
    133   1.1  augustss 
    134   1.1  augustss 	qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
    135   1.1  augustss 	if ((qflags & UQ_NO_SET_PROTO) == 0 &&
    136   1.1  augustss 	    id->bInterfaceSubClass != UISUBCLASS_BOOT)
    137   1.1  augustss 		(void)usbd_set_protocol(iface, 1);
    138   1.1  augustss #endif
    139   1.1  augustss 
    140  1.25     skrll 	sc->sc_iep_addr = sc->sc_oep_addr = -1;
    141  1.25     skrll 	for (i = 0; i < id->bNumEndpoints; i++) {
    142  1.25     skrll 		ed = usbd_interface2endpoint_descriptor(iface, i);
    143  1.25     skrll 		if (ed == NULL) {
    144  1.25     skrll 			printf("%s: could not read endpoint descriptor\n",
    145  1.25     skrll 			    USBDEVNAME(sc->sc_dev));
    146  1.25     skrll 			sc->sc_dying = 1;
    147  1.25     skrll 			USB_ATTACH_ERROR_RETURN;
    148  1.25     skrll 		}
    149  1.25     skrll 
    150  1.25     skrll 		DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
    151  1.25     skrll 		    "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
    152  1.25     skrll 		    " bInterval=%d\n",
    153  1.25     skrll 		    ed->bLength, ed->bDescriptorType,
    154  1.25     skrll 		    ed->bEndpointAddress & UE_ADDR,
    155  1.25     skrll 		    UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
    156  1.25     skrll 		    ed->bmAttributes & UE_XFERTYPE,
    157  1.25     skrll 		    UGETW(ed->wMaxPacketSize), ed->bInterval));
    158  1.25     skrll 
    159  1.25     skrll 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
    160  1.25     skrll 		    (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
    161  1.25     skrll 			sc->sc_iep_addr = ed->bEndpointAddress;
    162  1.25     skrll 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
    163  1.25     skrll 		    (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
    164  1.25     skrll 			sc->sc_oep_addr = ed->bEndpointAddress;
    165  1.25     skrll 		} else {
    166  1.25     skrll 			printf("%s: unexpected endpoint\n", USBDEVNAME(sc->sc_dev));
    167  1.25     skrll 			sc->sc_dying = 1;
    168  1.25     skrll 			USB_ATTACH_ERROR_RETURN;
    169  1.25     skrll 		}
    170   1.1  augustss 	}
    171   1.1  augustss 
    172  1.25     skrll 	/*
    173  1.25     skrll 	 * Check that we found an input interrupt endpoint. The output interrupt
    174  1.25     skrll 	 * endpoint is optional
    175  1.25     skrll 	 */
    176  1.25     skrll 	if (sc->sc_iep_addr == -1) {
    177  1.25     skrll 		printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev));
    178   1.1  augustss 		sc->sc_dying = 1;
    179   1.1  augustss 		USB_ATTACH_ERROR_RETURN;
    180   1.1  augustss 	}
    181   1.1  augustss 
    182   1.1  augustss 	/* XXX need to extend this */
    183  1.20  augustss 	descptr = NULL;
    184  1.20  augustss 	if (uaa->vendor == USB_VENDOR_WACOM) {
    185  1.20  augustss 		static uByte reportbuf[] = {2, 2, 2};
    186  1.17  augustss 
    187   1.1  augustss 		/* The report descriptor for the Wacom Graphire is broken. */
    188  1.17  augustss 		switch (uaa->product) {
    189  1.17  augustss 		case USB_PRODUCT_WACOM_GRAPHIRE:
    190  1.17  augustss 			size = sizeof uhid_graphire_report_descr;
    191  1.17  augustss 			descptr = uhid_graphire_report_descr;
    192  1.17  augustss 			break;
    193  1.17  augustss 
    194  1.17  augustss 		case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: /* The 6x8 too? */
    195  1.17  augustss 			/*
    196  1.17  augustss 			 * The Graphire3 needs 0x0202 to be written to
    197  1.17  augustss 			 * feature report ID 2 before it'll start
    198  1.17  augustss 			 * returning digitizer data.
    199  1.17  augustss 			 */
    200  1.17  augustss 			usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
    201  1.20  augustss 			    &reportbuf, sizeof reportbuf);
    202  1.17  augustss 
    203  1.17  augustss 			size = sizeof uhid_graphire3_4x5_report_descr;
    204  1.17  augustss 			descptr = uhid_graphire3_4x5_report_descr;
    205  1.17  augustss 			break;
    206  1.20  augustss 		default:
    207  1.20  augustss 			/* Keep descriptor */
    208  1.20  augustss 			break;
    209  1.17  augustss 		}
    210  1.17  augustss 	}
    211  1.17  augustss 
    212  1.17  augustss 	if (descptr) {
    213   1.1  augustss 		desc = malloc(size, M_USBDEV, M_NOWAIT);
    214   1.1  augustss 		if (desc == NULL)
    215   1.1  augustss 			err = USBD_NOMEM;
    216   1.1  augustss 		else {
    217   1.1  augustss 			err = USBD_NORMAL_COMPLETION;
    218  1.17  augustss 			memcpy(desc, descptr, size);
    219   1.1  augustss 		}
    220   1.1  augustss 	} else {
    221   1.1  augustss 		desc = NULL;
    222  1.17  augustss 		err = usbd_read_report_desc(uaa->iface, &desc, &size,
    223  1.17  augustss 		    M_USBDEV);
    224   1.1  augustss 	}
    225   1.1  augustss 	if (err) {
    226   1.1  augustss 		printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev));
    227   1.1  augustss 		sc->sc_dying = 1;
    228   1.1  augustss 		USB_ATTACH_ERROR_RETURN;
    229   1.1  augustss 	}
    230   1.6  augustss 
    231   1.1  augustss 	sc->sc_repdesc = desc;
    232   1.1  augustss 	sc->sc_repdesc_size = size;
    233   1.1  augustss 
    234   1.1  augustss 	uha.uaa = uaa;
    235   1.1  augustss 	nrepid = uhidev_maxrepid(desc, size);
    236   1.1  augustss 	if (nrepid < 0)
    237   1.1  augustss 		USB_ATTACH_SUCCESS_RETURN;
    238   1.1  augustss 	if (nrepid > 0)
    239   1.1  augustss 		printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid);
    240   1.1  augustss 	nrepid++;
    241   1.1  augustss 	sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t),
    242   1.5  augustss 				M_USBDEV, M_NOWAIT | M_ZERO);
    243   1.1  augustss 	if (sc->sc_subdevs == NULL) {
    244   1.1  augustss 		printf("%s: no memory\n", USBDEVNAME(sc->sc_dev));
    245   1.1  augustss 		USB_ATTACH_ERROR_RETURN;
    246   1.1  augustss 	}
    247   1.1  augustss 	sc->sc_nrepid = nrepid;
    248   1.1  augustss 	sc->sc_isize = 0;
    249   1.1  augustss 
    250   1.1  augustss 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
    251   1.1  augustss 			   USBDEV(sc->sc_dev));
    252   1.1  augustss 
    253   1.1  augustss 	for (repid = 0; repid < nrepid; repid++) {
    254   1.1  augustss 		repsz = hid_report_size(desc, size, hid_input, repid);
    255   1.1  augustss 		DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
    256   1.2  augustss 		repsizes[repid] = repsz;
    257   1.1  augustss 		if (repsz > 0) {
    258   1.1  augustss 			if (repsz > sc->sc_isize)
    259   1.1  augustss 				sc->sc_isize = repsz;
    260   1.1  augustss 		}
    261   1.1  augustss 	}
    262   1.1  augustss 	sc->sc_isize += nrepid != 1;	/* space for report ID */
    263   1.1  augustss 	DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
    264   1.1  augustss 
    265   1.1  augustss 	uha.parent = sc;
    266   1.1  augustss 	for (repid = 0; repid < nrepid; repid++) {
    267   1.1  augustss 		DPRINTF(("uhidev_match: try repid=%d\n", repid));
    268   1.1  augustss 		if (hid_report_size(desc, size, hid_input, repid) == 0 &&
    269   1.1  augustss 		    hid_report_size(desc, size, hid_output, repid) == 0 &&
    270   1.1  augustss 		    hid_report_size(desc, size, hid_feature, repid) == 0) {
    271   1.5  augustss 			;	/* already NULL in sc->sc_subdevs[repid] */
    272   1.1  augustss 		} else {
    273   1.1  augustss 			uha.reportid = repid;
    274  1.22  drochner 			ldesc->len = 1;
    275  1.22  drochner 			ldesc->locs[UHIDBUSCF_REPORTID] = repid;
    276  1.22  drochner 
    277  1.22  drochner 			dev = (struct uhidev *)config_found_sm_loc(self,
    278  1.22  drochner 				"uhidbus", ldesc, &uha,
    279  1.22  drochner 				uhidevprint, uhidevsubmatch);
    280   1.1  augustss 			sc->sc_subdevs[repid] = dev;
    281   1.4  augustss 			if (dev != NULL) {
    282   1.4  augustss 				dev->sc_in_rep_size = repsizes[repid];
    283   1.1  augustss #ifdef DIAGNOSTIC
    284   1.1  augustss 				DPRINTF(("uhidev_match: repid=%d dev=%p\n",
    285   1.1  augustss 					 repid, dev));
    286   1.1  augustss 				if (dev->sc_intr == NULL) {
    287   1.1  augustss 					printf("%s: sc_intr == NULL\n",
    288   1.1  augustss 					       USBDEVNAME(sc->sc_dev));
    289   1.1  augustss 					USB_ATTACH_ERROR_RETURN;
    290   1.1  augustss 				}
    291   1.4  augustss #endif
    292   1.9       dan #if NRND > 0
    293  1.24     perry 				rnd_attach_source(&dev->rnd_source,
    294  1.24     perry 						  USBDEVNAME(dev->sc_dev),
    295   1.9       dan 						  RND_TYPE_TTY, 0);
    296   1.9       dan #endif
    297   1.1  augustss 			}
    298   1.1  augustss 		}
    299   1.1  augustss 	}
    300   1.1  augustss 
    301   1.1  augustss 	USB_ATTACH_SUCCESS_RETURN;
    302   1.1  augustss }
    303   1.1  augustss 
    304   1.1  augustss int
    305   1.1  augustss uhidev_maxrepid(void *buf, int len)
    306   1.1  augustss {
    307   1.1  augustss 	struct hid_data *d;
    308   1.1  augustss 	struct hid_item h;
    309   1.1  augustss 	int maxid;
    310   1.1  augustss 
    311   1.1  augustss 	maxid = -1;
    312   1.1  augustss 	h.report_ID = 0;
    313   1.1  augustss 	for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
    314   1.1  augustss 		if (h.report_ID > maxid)
    315   1.1  augustss 			maxid = h.report_ID;
    316   1.1  augustss 	hid_end_parse(d);
    317   1.1  augustss 	return (maxid);
    318   1.1  augustss }
    319   1.1  augustss 
    320   1.1  augustss int
    321   1.1  augustss uhidevprint(void *aux, const char *pnp)
    322   1.1  augustss {
    323   1.1  augustss 	struct uhidev_attach_arg *uha = aux;
    324   1.1  augustss 
    325   1.1  augustss 	if (pnp)
    326  1.12   thorpej 		aprint_normal("uhid at %s", pnp);
    327   1.1  augustss 	if (uha->reportid != 0)
    328  1.12   thorpej 		aprint_normal(" reportid %d", uha->reportid);
    329   1.1  augustss 	return (UNCONF);
    330   1.1  augustss }
    331   1.1  augustss 
    332   1.1  augustss int
    333  1.22  drochner uhidevsubmatch(struct device *parent, struct cfdata *cf,
    334  1.22  drochner 	       const locdesc_t *ldesc, void *aux)
    335   1.1  augustss {
    336   1.1  augustss 	struct uhidev_attach_arg *uha = aux;
    337   1.1  augustss 
    338  1.22  drochner 	if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT &&
    339  1.22  drochner 	    cf->cf_loc[UHIDBUSCF_REPORTID] != ldesc->locs[UHIDBUSCF_REPORTID])
    340   1.1  augustss 		return (0);
    341  1.22  drochner 
    342  1.22  drochner 	if (cf->cf_loc[UHIDBUSCF_REPORTID] == ldesc->locs[UHIDBUSCF_REPORTID])
    343   1.1  augustss 		uha->matchlvl = UMATCH_VENDOR_PRODUCT;
    344   1.1  augustss 	else
    345   1.1  augustss 		uha->matchlvl = 0;
    346   1.8   thorpej 	return (config_match(parent, cf, aux));
    347   1.1  augustss }
    348   1.1  augustss 
    349   1.1  augustss int
    350   1.1  augustss uhidev_activate(device_ptr_t self, enum devact act)
    351   1.1  augustss {
    352   1.1  augustss 	struct uhidev_softc *sc = (struct uhidev_softc *)self;
    353   1.1  augustss 	int i, rv;
    354   1.1  augustss 
    355   1.1  augustss 	switch (act) {
    356   1.1  augustss 	case DVACT_ACTIVATE:
    357   1.1  augustss 		return (EOPNOTSUPP);
    358   1.1  augustss 
    359   1.1  augustss 	case DVACT_DEACTIVATE:
    360   1.1  augustss 		rv = 0;
    361   1.1  augustss 		for (i = 0; i < sc->sc_nrepid; i++)
    362   1.1  augustss 			if (sc->sc_subdevs[i] != NULL)
    363   1.1  augustss 				rv |= config_deactivate(
    364   1.1  augustss 					&sc->sc_subdevs[i]->sc_dev);
    365   1.1  augustss 		sc->sc_dying = 1;
    366  1.16  christos 		break;
    367  1.16  christos 	default:
    368  1.16  christos 		rv = 0;
    369   1.1  augustss 		break;
    370   1.1  augustss 	}
    371   1.1  augustss 	return (rv);
    372   1.1  augustss }
    373   1.1  augustss 
    374   1.1  augustss USB_DETACH(uhidev)
    375   1.1  augustss {
    376   1.1  augustss 	USB_DETACH_START(uhidev, sc);
    377   1.1  augustss 	int i, rv;
    378   1.1  augustss 
    379   1.1  augustss 	DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
    380   1.1  augustss 
    381   1.1  augustss 	sc->sc_dying = 1;
    382  1.25     skrll 	if (sc->sc_ipipe != NULL)
    383  1.25     skrll 		usbd_abort_pipe(sc->sc_ipipe);
    384   1.1  augustss 
    385   1.1  augustss 	if (sc->sc_repdesc != NULL)
    386   1.1  augustss 		free(sc->sc_repdesc, M_USBDEV);
    387   1.1  augustss 
    388   1.1  augustss 	rv = 0;
    389   1.1  augustss 	for (i = 0; i < sc->sc_nrepid; i++) {
    390   1.1  augustss 		if (sc->sc_subdevs[i] != NULL) {
    391   1.9       dan #if NRND > 0
    392   1.9       dan 			rnd_detach_source(&sc->sc_subdevs[i]->rnd_source);
    393   1.9       dan #endif
    394   1.1  augustss 			rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags);
    395   1.1  augustss 			sc->sc_subdevs[i] = NULL;
    396   1.1  augustss 		}
    397   1.1  augustss 	}
    398   1.1  augustss 
    399   1.1  augustss 	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
    400   1.1  augustss 			   USBDEV(sc->sc_dev));
    401   1.1  augustss 
    402   1.1  augustss 	return (rv);
    403   1.1  augustss }
    404   1.1  augustss 
    405   1.1  augustss void
    406   1.1  augustss uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
    407   1.1  augustss {
    408   1.1  augustss 	struct uhidev_softc *sc = addr;
    409   1.1  augustss 	struct uhidev *scd;
    410   1.1  augustss 	u_char *p;
    411   1.1  augustss 	u_int rep;
    412   1.1  augustss 	u_int32_t cc;
    413   1.1  augustss 
    414   1.1  augustss 	usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
    415   1.1  augustss 
    416   1.1  augustss #ifdef UHIDEV_DEBUG
    417   1.1  augustss 	if (uhidevdebug > 5) {
    418   1.1  augustss 		u_int32_t i;
    419   1.6  augustss 
    420   1.1  augustss 		DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
    421   1.1  augustss 		DPRINTF(("uhidev_intr: data ="));
    422   1.1  augustss 		for (i = 0; i < cc; i++)
    423   1.1  augustss 			DPRINTF((" %02x", sc->sc_ibuf[i]));
    424   1.1  augustss 		DPRINTF(("\n"));
    425   1.1  augustss 	}
    426   1.1  augustss #endif
    427   1.1  augustss 
    428   1.1  augustss 	if (status == USBD_CANCELLED)
    429   1.1  augustss 		return;
    430   1.1  augustss 
    431   1.1  augustss 	if (status != USBD_NORMAL_COMPLETION) {
    432   1.3  augustss 		DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev),
    433   1.3  augustss 			 status));
    434  1.25     skrll 		usbd_clear_endpoint_stall_async(sc->sc_ipipe);
    435   1.1  augustss 		return;
    436   1.1  augustss 	}
    437   1.1  augustss 
    438   1.1  augustss 	p = sc->sc_ibuf;
    439   1.1  augustss 	if (sc->sc_nrepid != 1)
    440   1.1  augustss 		rep = *p++, cc--;
    441   1.1  augustss 	else
    442   1.1  augustss 		rep = 0;
    443   1.1  augustss 	if (rep >= sc->sc_nrepid) {
    444   1.1  augustss 		printf("uhidev_intr: bad repid %d\n", rep);
    445   1.1  augustss 		return;
    446   1.1  augustss 	}
    447   1.1  augustss 	scd = sc->sc_subdevs[rep];
    448   1.1  augustss 	DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
    449   1.1  augustss 		    rep, scd, scd ? scd->sc_state : 0));
    450   1.1  augustss 	if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN))
    451   1.1  augustss 		return;
    452  1.23  augustss 	if (scd->sc_in_rep_size != cc) {
    453  1.23  augustss 		printf("%s: bad input length %d != %d\n",
    454  1.23  augustss 		       USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc);
    455  1.23  augustss 		return;
    456  1.23  augustss 	}
    457   1.9       dan #if NRND > 0
    458  1.10      fair 	rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf));
    459   1.2  augustss #endif
    460   1.1  augustss 	scd->sc_intr(scd, p, cc);
    461   1.1  augustss }
    462   1.1  augustss 
    463   1.1  augustss void
    464   1.1  augustss uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
    465   1.1  augustss {
    466   1.1  augustss 	*desc = sc->sc_repdesc;
    467   1.1  augustss 	*size = sc->sc_repdesc_size;
    468   1.1  augustss }
    469   1.1  augustss 
    470   1.1  augustss int
    471   1.1  augustss uhidev_open(struct uhidev *scd)
    472   1.1  augustss {
    473   1.1  augustss 	struct uhidev_softc *sc = scd->sc_parent;
    474   1.1  augustss 	usbd_status err;
    475  1.25     skrll 	int error;
    476   1.1  augustss 
    477   1.1  augustss 	DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
    478   1.1  augustss 		 scd->sc_state, sc->sc_refcnt));
    479   1.1  augustss 
    480   1.1  augustss 	if (scd->sc_state & UHIDEV_OPEN)
    481   1.1  augustss 		return (EBUSY);
    482   1.1  augustss 	scd->sc_state |= UHIDEV_OPEN;
    483   1.1  augustss 	if (sc->sc_refcnt++)
    484   1.1  augustss 		return (0);
    485   1.1  augustss 
    486   1.1  augustss 	if (sc->sc_isize == 0)
    487   1.1  augustss 		return (0);
    488   1.1  augustss 
    489   1.1  augustss 	sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
    490   1.1  augustss 
    491  1.25     skrll 	/* Set up input interrupt pipe. */
    492   1.1  augustss 	DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
    493  1.25     skrll 		 sc->sc_iep_addr));
    494  1.25     skrll 
    495  1.25     skrll 	err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
    496  1.25     skrll 		  USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
    497   1.1  augustss 		  sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
    498  1.25     skrll 	if (err != USBD_NORMAL_COMPLETION) {
    499   1.1  augustss 		DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
    500  1.25     skrll 		    "error=%d\n", err));
    501  1.25     skrll 		error = EIO;
    502  1.25     skrll 		goto out1;
    503  1.25     skrll 	}
    504  1.25     skrll 
    505  1.25     skrll 	/*
    506  1.25     skrll 	 * Set up output interrupt pipe if an output interrupt endpoint
    507  1.25     skrll 	 * exists.
    508  1.25     skrll 	 */
    509  1.25     skrll 	if (sc->sc_oep_addr != -1) {
    510  1.25     skrll 		DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
    511  1.25     skrll 
    512  1.25     skrll 		err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
    513  1.25     skrll 		    0, &sc->sc_opipe);
    514  1.25     skrll 
    515  1.25     skrll 		if (err != USBD_NORMAL_COMPLETION) {
    516  1.25     skrll 			DPRINTF(("uhidev_open: usbd_open_pipe failed, "
    517  1.25     skrll 			    "error=%d\n", err));
    518  1.25     skrll 			error = EIO;
    519  1.25     skrll 			goto out2;
    520  1.25     skrll 		}
    521  1.25     skrll 		DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
    522  1.25     skrll 
    523  1.25     skrll 		sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
    524  1.25     skrll 		if (sc->sc_oxfer == NULL) {
    525  1.25     skrll 			DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
    526  1.25     skrll 			error = ENOMEM;
    527  1.25     skrll 			goto out3;
    528  1.25     skrll 		}
    529   1.1  augustss 	}
    530  1.25     skrll 
    531   1.1  augustss 	return (0);
    532  1.25     skrll out3:
    533  1.25     skrll 	/* Abort output pipe */
    534  1.25     skrll 	usbd_close_pipe(sc->sc_opipe);
    535  1.25     skrll out2:
    536  1.25     skrll 	/* Abort input pipe */
    537  1.25     skrll 	usbd_close_pipe(sc->sc_ipipe);
    538  1.25     skrll out1:
    539  1.25     skrll 	DPRINTF(("uhidev_open: failed in someway"));
    540  1.25     skrll 	free(sc->sc_ibuf, M_USBDEV);
    541  1.25     skrll 	scd->sc_state &= ~UHIDEV_OPEN;
    542  1.25     skrll 	sc->sc_refcnt = 0;
    543  1.25     skrll 	sc->sc_ipipe = NULL;
    544  1.25     skrll 	sc->sc_opipe = NULL;
    545  1.25     skrll 	sc->sc_oxfer = NULL;
    546  1.25     skrll 	return error;
    547   1.1  augustss }
    548   1.1  augustss 
    549   1.1  augustss void
    550   1.1  augustss uhidev_close(struct uhidev *scd)
    551   1.1  augustss {
    552   1.1  augustss 	struct uhidev_softc *sc = scd->sc_parent;
    553   1.1  augustss 
    554   1.1  augustss 	if (!(scd->sc_state & UHIDEV_OPEN))
    555   1.1  augustss 		return;
    556   1.1  augustss 	scd->sc_state &= ~UHIDEV_OPEN;
    557   1.1  augustss 	if (--sc->sc_refcnt)
    558   1.1  augustss 		return;
    559   1.1  augustss 	DPRINTF(("uhidev_close: close pipe\n"));
    560   1.1  augustss 
    561  1.25     skrll 	if (sc->sc_oxfer != NULL)
    562  1.25     skrll 		usbd_free_xfer(sc->sc_oxfer);
    563  1.25     skrll 
    564   1.1  augustss 	/* Disable interrupts. */
    565  1.25     skrll 	if (sc->sc_opipe != NULL) {
    566  1.25     skrll 		usbd_abort_pipe(sc->sc_opipe);
    567  1.25     skrll 		usbd_close_pipe(sc->sc_opipe);
    568  1.25     skrll 		sc->sc_opipe = NULL;
    569  1.25     skrll 	}
    570  1.25     skrll 
    571  1.25     skrll 	if (sc->sc_ipipe != NULL) {
    572  1.25     skrll 		usbd_abort_pipe(sc->sc_ipipe);
    573  1.25     skrll 		usbd_close_pipe(sc->sc_ipipe);
    574  1.25     skrll 		sc->sc_ipipe = NULL;
    575   1.1  augustss 	}
    576   1.1  augustss 
    577   1.1  augustss 	if (sc->sc_ibuf != NULL) {
    578   1.1  augustss 		free(sc->sc_ibuf, M_USBDEV);
    579   1.1  augustss 		sc->sc_ibuf = NULL;
    580   1.1  augustss 	}
    581   1.1  augustss }
    582   1.1  augustss 
    583   1.1  augustss usbd_status
    584   1.1  augustss uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
    585   1.1  augustss {
    586  1.13   dsainty 	char *buf;
    587  1.13   dsainty 	usbd_status retstat;
    588  1.13   dsainty 
    589  1.13   dsainty 	if (scd->sc_report_id == 0)
    590  1.13   dsainty 		return usbd_set_report(scd->sc_parent->sc_iface, type,
    591  1.13   dsainty 				       scd->sc_report_id, data, len);
    592  1.13   dsainty 
    593  1.13   dsainty 	buf = malloc(len + 1, M_TEMP, M_WAITOK);
    594  1.13   dsainty 	buf[0] = scd->sc_report_id;
    595  1.13   dsainty 	memcpy(buf+1, data, len);
    596  1.13   dsainty 
    597  1.13   dsainty 	retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
    598  1.18   dsainty 				  scd->sc_report_id, buf, len + 1);
    599  1.13   dsainty 
    600  1.13   dsainty 	free(buf, M_TEMP);
    601   1.1  augustss 
    602  1.13   dsainty 	return retstat;
    603   1.1  augustss }
    604   1.1  augustss 
    605   1.1  augustss void
    606   1.1  augustss uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
    607   1.1  augustss {
    608   1.1  augustss 	/* XXX */
    609   1.1  augustss 	char buf[100];
    610   1.1  augustss 	if (scd->sc_report_id) {
    611   1.1  augustss 		buf[0] = scd->sc_report_id;
    612   1.1  augustss 		memcpy(buf+1, data, len);
    613   1.1  augustss 		len++;
    614   1.1  augustss 		data = buf;
    615   1.1  augustss 	}
    616   1.1  augustss 
    617   1.6  augustss 	usbd_set_report_async(scd->sc_parent->sc_iface, type,
    618   1.1  augustss 			      scd->sc_report_id, data, len);
    619   1.1  augustss }
    620   1.1  augustss 
    621   1.1  augustss usbd_status
    622   1.1  augustss uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
    623   1.1  augustss {
    624   1.6  augustss 	return usbd_get_report(scd->sc_parent->sc_iface, type,
    625   1.1  augustss 			       scd->sc_report_id, data, len);
    626   1.1  augustss }
    627  1.25     skrll 
    628  1.25     skrll usbd_status
    629  1.25     skrll uhidev_write(struct uhidev_softc *sc, void *data, int len)
    630  1.25     skrll {
    631  1.25     skrll 
    632  1.25     skrll 	DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
    633  1.25     skrll 
    634  1.25     skrll 	if (sc->sc_opipe == NULL)
    635  1.25     skrll 		return USBD_INVAL;
    636  1.25     skrll 
    637  1.25     skrll #ifdef UHIDEV_DEBUG
    638  1.25     skrll 	if (uhidevdebug > 50) {
    639  1.25     skrll 
    640  1.25     skrll 		u_int32_t i;
    641  1.25     skrll 		u_int8_t *d = data;
    642  1.25     skrll 
    643  1.25     skrll 		DPRINTF(("uhidev_write: data ="));
    644  1.25     skrll 		for (i = 0; i < len; i++)
    645  1.25     skrll 			DPRINTF((" %02x", d[i]));
    646  1.25     skrll 		DPRINTF(("\n"));
    647  1.25     skrll 	}
    648  1.25     skrll #endif
    649  1.25     skrll 	return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0,
    650  1.25     skrll 	    USBD_NO_TIMEOUT, data, &len, "uhidevwi");
    651  1.25     skrll }
    652