768 lines
20 KiB
C
768 lines
20 KiB
C
/* $NetBSD: usscanner.c,v 1.17 2005/05/11 10:02:29 augustss Exp $ */
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/*
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* Copyright (c) 2001 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) and LLoyd Parkes.
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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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* This driver is partly based on information taken from the Linux driver
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* by John Fremlin, Oliver Neukum, and Jeremy Hall.
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*/
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/*
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* Protocol:
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* Send raw SCSI command on the bulk-out pipe.
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* If output command then
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* send further data on the bulk-out pipe
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* else if input command then
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* read data on the bulk-in pipe
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* else
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* don't do anything.
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* Read status byte on the interrupt pipe (which doesn't seem to be
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* an interrupt pipe at all). This operation sometimes times out.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: usscanner.c,v 1.17 2005/05/11 10:02:29 augustss Exp $");
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#include "scsibus.h"
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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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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/buf.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 <sys/scsiio.h>
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#include <dev/scsipi/scsi_spc.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsiconf.h>
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#include <dev/scsipi/atapiconf.h>
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#ifdef USSCANNER_DEBUG
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#define DPRINTF(x) if (usscannerdebug) logprintf x
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#define DPRINTFN(n,x) if (usscannerdebug>(n)) logprintf x
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int usscannerdebug = 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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#define USSCANNER_CONFIG_NO 1
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#define USSCANNER_IFACE_IDX 0
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#define USSCANNER_SCSIID_HOST 0x00
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#define USSCANNER_SCSIID_DEVICE 0x01
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#define USSCANNER_MAX_TRANSFER_SIZE MAXPHYS
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#define USSCANNER_TIMEOUT 2000
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struct usscanner_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_intr_addr;
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usbd_pipe_handle sc_intr_pipe;
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usbd_xfer_handle sc_intr_xfer;
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u_char sc_status;
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int sc_out_addr;
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usbd_pipe_handle sc_out_pipe;
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usbd_xfer_handle sc_cmd_xfer;
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void *sc_cmd_buffer;
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usbd_xfer_handle sc_data_xfer;
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void *sc_data_buffer;
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int sc_state;
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#define UAS_IDLE 0
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#define UAS_CMD 1
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#define UAS_DATA 2
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#define UAS_SENSECMD 3
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#define UAS_SENSEDATA 4
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#define UAS_STATUS 5
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struct scsipi_xfer *sc_xs;
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device_ptr_t sc_child; /* child device, for detach */
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struct scsipi_adapter sc_adapter;
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struct scsipi_channel sc_channel;
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int sc_refcnt;
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char sc_dying;
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};
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Static void usscanner_cleanup(struct usscanner_softc *sc);
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Static void usscanner_scsipi_request(struct scsipi_channel *chan,
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scsipi_adapter_req_t req, void *arg);
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Static void usscanner_scsipi_minphys(struct buf *bp);
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Static void usscanner_done(struct usscanner_softc *sc);
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Static void usscanner_sense(struct usscanner_softc *sc);
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typedef void callback(usbd_xfer_handle, usbd_private_handle, usbd_status);
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Static callback usscanner_intr_cb;
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Static callback usscanner_cmd_cb;
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Static callback usscanner_data_cb;
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Static callback usscanner_sensecmd_cb;
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Static callback usscanner_sensedata_cb;
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USB_DECLARE_DRIVER(usscanner);
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USB_MATCH(usscanner)
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{
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USB_MATCH_START(usscanner, uaa);
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DPRINTFN(50,("usscanner_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_HP &&
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uaa->product == USB_PRODUCT_HP_5300C)
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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(usscanner)
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{
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USB_ATTACH_START(usscanner, 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 *devinfop;
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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,("usscanner_attach: sc=%p\n", sc));
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devinfop = usbd_devinfo_alloc(dev, 0);
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USB_ATTACH_SETUP;
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printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop);
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usbd_devinfo_free(devinfop);
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err = usbd_set_config_no(dev, USSCANNER_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, USSCANNER_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_intr_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_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
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sc->sc_intr_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_intr_addr == -1 ||
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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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err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr,
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USBD_EXCLUSIVE_USE, &sc->sc_in_pipe);
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if (err) {
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printf("%s: open in pipe failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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USB_ATTACH_ERROR_RETURN;
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}
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/* The interrupt endpoint must be opened as a normal pipe. */
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err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr,
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USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe);
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if (err) {
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printf("%s: open intr pipe failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr,
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USBD_EXCLUSIVE_USE, &sc->sc_out_pipe);
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if (err) {
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printf("%s: open out pipe failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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sc->sc_cmd_xfer = usbd_alloc_xfer(uaa->device);
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if (sc->sc_cmd_xfer == NULL) {
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printf("%s: alloc cmd xfer failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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/* XXX too big */
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sc->sc_cmd_buffer = usbd_alloc_buffer(sc->sc_cmd_xfer,
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USSCANNER_MAX_TRANSFER_SIZE);
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if (sc->sc_cmd_buffer == NULL) {
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printf("%s: alloc cmd buffer failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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sc->sc_intr_xfer = usbd_alloc_xfer (uaa->device);
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if (sc->sc_intr_xfer == NULL) {
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printf("%s: alloc intr xfer failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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sc->sc_data_xfer = usbd_alloc_xfer(uaa->device);
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if (sc->sc_data_xfer == NULL) {
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printf("%s: alloc data xfer failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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sc->sc_data_buffer = usbd_alloc_buffer(sc->sc_data_xfer,
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USSCANNER_MAX_TRANSFER_SIZE);
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if (sc->sc_data_buffer == NULL) {
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printf("%s: alloc data buffer failed, err=%d\n",
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USBDEVNAME(sc->sc_dev), err);
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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}
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/*
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* Fill in the adapter.
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*/
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sc->sc_adapter.adapt_request = usscanner_scsipi_request;
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sc->sc_adapter.adapt_dev = &sc->sc_dev;
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sc->sc_adapter.adapt_nchannels = 1;
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sc->sc_adapter.adapt_openings = 1;
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sc->sc_adapter.adapt_max_periph = 1;
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sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys;
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#if NSCSIBUS > 0
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/*
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* fill in the scsipi_channel.
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*/
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sc->sc_channel.chan_adapter = &sc->sc_adapter;
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sc->sc_channel.chan_bustype = &scsi_bustype;
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sc->sc_channel.chan_channel = 0;
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sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1;
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sc->sc_channel.chan_nluns = 1;
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sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST;
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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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sc->sc_child = config_found(&sc->sc_dev, &sc->sc_channel, scsiprint);
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DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev));
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USB_ATTACH_SUCCESS_RETURN;
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#else
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/* No SCSI bus, just ignore it */
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usscanner_cleanup(sc);
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USB_ATTACH_ERROR_RETURN;
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#endif
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}
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USB_DETACH(usscanner)
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{
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USB_DETACH_START(usscanner, sc);
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int rv, s;
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DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags));
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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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if (sc->sc_intr_pipe != NULL)
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usbd_abort_pipe(sc->sc_intr_pipe);
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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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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 (sc->sc_child != NULL)
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rv = config_detach(sc->sc_child, flags);
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else
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rv = 0;
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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 (rv);
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}
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Static void
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usscanner_cleanup(struct usscanner_softc *sc)
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{
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if (sc->sc_in_pipe != NULL) {
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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_intr_pipe != NULL) {
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usbd_close_pipe(sc->sc_intr_pipe);
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sc->sc_intr_pipe = NULL;
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}
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if (sc->sc_out_pipe != NULL) {
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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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if (sc->sc_cmd_xfer != NULL) {
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usbd_free_xfer(sc->sc_cmd_xfer);
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sc->sc_cmd_xfer = NULL;
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}
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if (sc->sc_data_xfer != NULL) {
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usbd_free_xfer(sc->sc_data_xfer);
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sc->sc_data_xfer = NULL;
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}
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}
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int
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usscanner_activate(device_ptr_t self, enum devact act)
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{
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struct usscanner_softc *sc = (struct usscanner_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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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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Static void
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usscanner_scsipi_minphys(struct buf *bp)
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{
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if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE)
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bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE;
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minphys(bp);
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}
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Static void
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usscanner_sense(struct usscanner_softc *sc)
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{
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struct scsipi_xfer *xs = sc->sc_xs;
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struct scsipi_periph *periph = xs->xs_periph;
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struct scsi_request_sense sense_cmd;
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usbd_status err;
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/* fetch sense data */
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memset(&sense_cmd, 0, sizeof(sense_cmd));
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sense_cmd.opcode = SCSI_REQUEST_SENSE;
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sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT;
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sense_cmd.length = sizeof xs->sense;
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sc->sc_state = UAS_SENSECMD;
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memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof sense_cmd);
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usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, sc->sc_cmd_buffer,
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sizeof sense_cmd, USBD_NO_COPY, USSCANNER_TIMEOUT,
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usscanner_sensecmd_cb);
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err = usbd_transfer(sc->sc_cmd_xfer);
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if (err == USBD_IN_PROGRESS)
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return;
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xs->error = XS_DRIVER_STUFFUP;
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usscanner_done(sc);
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}
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Static void
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usscanner_intr_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
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usbd_status status)
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{
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struct usscanner_softc *sc = priv;
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int s;
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DPRINTFN(10, ("usscanner_data_cb status=%d\n", status));
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#ifdef USSCANNER_DEBUG
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if (sc->sc_state != UAS_STATUS) {
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printf("%s: !UAS_STATUS\n", USBDEVNAME(sc->sc_dev));
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}
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if (sc->sc_status != 0) {
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printf("%s: status byte=0x%02x\n", USBDEVNAME(sc->sc_dev), sc->sc_status);
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}
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#endif
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/* XXX what should we do on non-0 status */
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sc->sc_state = UAS_IDLE;
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s = splbio();
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scsipi_done(sc->sc_xs);
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splx(s);
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}
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|
|
|
Static void
|
|
usscanner_data_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
|
|
usbd_status status)
|
|
{
|
|
struct usscanner_softc *sc = priv;
|
|
struct scsipi_xfer *xs = sc->sc_xs;
|
|
u_int32_t len;
|
|
|
|
DPRINTFN(10, ("usscanner_data_cb status=%d\n", status));
|
|
|
|
#ifdef USSCANNER_DEBUG
|
|
if (sc->sc_state != UAS_DATA) {
|
|
printf("%s: !UAS_DATA\n", USBDEVNAME(sc->sc_dev));
|
|
}
|
|
#endif
|
|
|
|
usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
|
|
|
|
xs->resid = xs->datalen - len;
|
|
|
|
switch (status) {
|
|
case USBD_NORMAL_COMPLETION:
|
|
if (xs->xs_control & XS_CTL_DATA_IN)
|
|
memcpy(xs->data, sc->sc_data_buffer, len);
|
|
xs->error = XS_NOERROR;
|
|
break;
|
|
case USBD_TIMEOUT:
|
|
xs->error = XS_TIMEOUT;
|
|
break;
|
|
case USBD_CANCELLED:
|
|
if (xs->error == XS_SENSE) {
|
|
usscanner_sense(sc);
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
|
|
break;
|
|
}
|
|
usscanner_done(sc);
|
|
}
|
|
|
|
Static void
|
|
usscanner_sensedata_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
|
|
usbd_status status)
|
|
{
|
|
struct usscanner_softc *sc = priv;
|
|
struct scsipi_xfer *xs = sc->sc_xs;
|
|
u_int32_t len;
|
|
|
|
DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status));
|
|
|
|
#ifdef USSCANNER_DEBUG
|
|
if (sc->sc_state != UAS_SENSEDATA) {
|
|
printf("%s: !UAS_SENSEDATA\n", USBDEVNAME(sc->sc_dev));
|
|
}
|
|
#endif
|
|
|
|
usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
|
|
|
|
switch (status) {
|
|
case USBD_NORMAL_COMPLETION:
|
|
memcpy(&xs->sense, sc->sc_data_buffer, len);
|
|
if (len < sizeof xs->sense)
|
|
xs->error = XS_SHORTSENSE;
|
|
break;
|
|
case USBD_TIMEOUT:
|
|
xs->error = XS_TIMEOUT;
|
|
break;
|
|
case USBD_CANCELLED:
|
|
xs->error = XS_RESET;
|
|
break;
|
|
default:
|
|
xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
|
|
break;
|
|
}
|
|
usscanner_done(sc);
|
|
}
|
|
|
|
Static void
|
|
usscanner_done(struct usscanner_softc *sc)
|
|
{
|
|
struct scsipi_xfer *xs = sc->sc_xs;
|
|
usbd_status err;
|
|
|
|
DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error));
|
|
|
|
sc->sc_state = UAS_STATUS;
|
|
usbd_setup_xfer(sc->sc_intr_xfer, sc->sc_intr_pipe, sc, &sc->sc_status,
|
|
1, USBD_SHORT_XFER_OK | USBD_NO_COPY,
|
|
USSCANNER_TIMEOUT, usscanner_intr_cb);
|
|
err = usbd_transfer(sc->sc_intr_xfer);
|
|
if (err == USBD_IN_PROGRESS)
|
|
return;
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
}
|
|
|
|
Static void
|
|
usscanner_sensecmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
|
|
usbd_status status)
|
|
{
|
|
struct usscanner_softc *sc = priv;
|
|
struct scsipi_xfer *xs = sc->sc_xs;
|
|
usbd_status err;
|
|
|
|
DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status));
|
|
|
|
#ifdef USSCANNER_DEBUG
|
|
if (usscannerdebug > 15)
|
|
xs->xs_periph->periph_flags |= 1; /* XXX 1 */
|
|
|
|
if (sc->sc_state != UAS_SENSECMD) {
|
|
printf("%s: !UAS_SENSECMD\n", USBDEVNAME(sc->sc_dev));
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
switch (status) {
|
|
case USBD_NORMAL_COMPLETION:
|
|
break;
|
|
case USBD_TIMEOUT:
|
|
xs->error = XS_TIMEOUT;
|
|
goto done;
|
|
default:
|
|
xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
|
|
goto done;
|
|
}
|
|
|
|
sc->sc_state = UAS_SENSEDATA;
|
|
usbd_setup_xfer(sc->sc_data_xfer, sc->sc_in_pipe, sc,
|
|
sc->sc_data_buffer,
|
|
sizeof xs->sense, USBD_SHORT_XFER_OK | USBD_NO_COPY,
|
|
USSCANNER_TIMEOUT, usscanner_sensedata_cb);
|
|
err = usbd_transfer(sc->sc_data_xfer);
|
|
if (err == USBD_IN_PROGRESS)
|
|
return;
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
done:
|
|
usscanner_done(sc);
|
|
}
|
|
|
|
Static void
|
|
usscanner_cmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
|
|
usbd_status status)
|
|
{
|
|
struct usscanner_softc *sc = priv;
|
|
struct scsipi_xfer *xs = sc->sc_xs;
|
|
usbd_pipe_handle pipe;
|
|
usbd_status err;
|
|
|
|
DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status));
|
|
|
|
#ifdef USSCANNER_DEBUG
|
|
if (usscannerdebug > 15)
|
|
xs->xs_periph->periph_flags |= 1; /* XXX 1 */
|
|
|
|
if (sc->sc_state != UAS_CMD) {
|
|
printf("%s: !UAS_CMD\n", USBDEVNAME(sc->sc_dev));
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
switch (status) {
|
|
case USBD_NORMAL_COMPLETION:
|
|
break;
|
|
case USBD_TIMEOUT:
|
|
xs->error = XS_TIMEOUT;
|
|
goto done;
|
|
case USBD_CANCELLED:
|
|
goto done;
|
|
default:
|
|
xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
|
|
goto done;
|
|
}
|
|
|
|
if (xs->datalen == 0) {
|
|
DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n"));
|
|
xs->error = XS_NOERROR;
|
|
goto done;
|
|
}
|
|
|
|
if (xs->xs_control & XS_CTL_DATA_IN) {
|
|
DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n",
|
|
xs->datalen));
|
|
pipe = sc->sc_in_pipe;
|
|
} else {
|
|
DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n",
|
|
xs->datalen));
|
|
memcpy(sc->sc_data_buffer, xs->data, xs->datalen);
|
|
pipe = sc->sc_out_pipe;
|
|
}
|
|
sc->sc_state = UAS_DATA;
|
|
usbd_setup_xfer(sc->sc_data_xfer, pipe, sc, sc->sc_data_buffer,
|
|
xs->datalen, USBD_SHORT_XFER_OK | USBD_NO_COPY,
|
|
xs->timeout, usscanner_data_cb);
|
|
err = usbd_transfer(sc->sc_data_xfer);
|
|
if (err == USBD_IN_PROGRESS)
|
|
return;
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
|
|
done:
|
|
usscanner_done(sc);
|
|
}
|
|
|
|
Static void
|
|
usscanner_scsipi_request(chan, req, arg)
|
|
struct scsipi_channel *chan;
|
|
scsipi_adapter_req_t req;
|
|
void *arg;
|
|
{
|
|
struct scsipi_xfer *xs;
|
|
struct scsipi_periph *periph;
|
|
struct usscanner_softc *sc = (void *)chan->chan_adapter->adapt_dev;
|
|
usbd_status err;
|
|
|
|
switch (req) {
|
|
case ADAPTER_REQ_RUN_XFER:
|
|
xs = arg;
|
|
periph = xs->xs_periph;
|
|
|
|
DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d "
|
|
"xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n",
|
|
USBDEVNAME(sc->sc_dev),
|
|
periph->periph_target, periph->periph_lun,
|
|
xs, xs->cmd->opcode, xs->datalen,
|
|
periph->periph_quirks, xs->xs_control & XS_CTL_POLL));
|
|
|
|
if (sc->sc_dying) {
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
|
|
#ifdef USSCANNER_DEBUG
|
|
if (periph->periph_target != USSCANNER_SCSIID_DEVICE) {
|
|
DPRINTF(("%s: wrong SCSI ID %d\n",
|
|
USBDEVNAME(sc->sc_dev), periph->periph_target));
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
if (sc->sc_state != UAS_IDLE) {
|
|
printf("%s: !UAS_IDLE\n", USBDEVNAME(sc->sc_dev));
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) {
|
|
printf("%s: usscanner_scsipi_request: large datalen,"
|
|
" %d\n", USBDEVNAME(sc->sc_dev), xs->datalen);
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
|
|
DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d"
|
|
" datalen=%d\n", USBDEVNAME(sc->sc_dev), xs->cmdlen,
|
|
xs->datalen));
|
|
sc->sc_state = UAS_CMD;
|
|
sc->sc_xs = xs;
|
|
memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen);
|
|
usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc,
|
|
sc->sc_cmd_buffer, xs->cmdlen, USBD_NO_COPY,
|
|
USSCANNER_TIMEOUT, usscanner_cmd_cb);
|
|
err = usbd_transfer(sc->sc_cmd_xfer);
|
|
if (err != USBD_IN_PROGRESS) {
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
goto done;
|
|
}
|
|
|
|
return;
|
|
|
|
|
|
done:
|
|
sc->sc_state = UAS_IDLE;
|
|
scsipi_done(xs);
|
|
return;
|
|
|
|
case ADAPTER_REQ_GROW_RESOURCES:
|
|
/* XXX Not supported. */
|
|
return;
|
|
case ADAPTER_REQ_SET_XFER_MODE:
|
|
/* XXX Not supported. */
|
|
return;
|
|
}
|
|
|
|
}
|