/* $NetBSD: uscanner.c,v 1.30 2002/07/11 21:14:36 augustss Exp$ */ /* Also already merged from NetBSD: * $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $ */ #include __FBSDID("$FreeBSD$"); /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology * and Nick Hibma (n_hibma@qubesoft.com). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usbdevs.h" #ifdef USB_DEBUG #define DPRINTF(x) if (uscannerdebug) logprintf x #define DPRINTFN(n,x) if (uscannerdebug>(n)) logprintf x int uscannerdebug = 0; SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner"); SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW, &uscannerdebug, 0, "uscanner debug level"); #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif struct uscan_info { struct usb_devno devno; u_int flags; #define USC_KEEP_OPEN 1 }; /* Table of scanners that may work with this driver. */ static const struct uscan_info uscanner_devs[] = { /* Acer Peripherals */ {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 }, {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, 0 }, {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640BT }, 0 }, {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, 0 }, {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_1240U }, 0 }, {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U }, 0 }, /* AGFA */ {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1236U }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2 }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE40 }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE50 }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE20 }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE25 }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE26 }, 0 }, {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE52 }, 0 }, /* Avision */ {{ USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U }, 0 }, /* Canon */ {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N656U }, 0 }, {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N676U }, 0 }, {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N1220U }, 0 }, {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_D660U }, 0 }, {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N1240U }, 0 }, {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_LIDE25 }, 0 }, /* Kye */ {{ USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO }, 0 }, /* HP */ {{ USB_VENDOR_HP, USB_PRODUCT_HP_2200C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_3300C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_3400CSE }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_4100C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_4200C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_4300C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_4670V }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_S20 }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_5200C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_5300C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_5400C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_6200C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_6300C }, 0 }, {{ USB_VENDOR_HP, USB_PRODUCT_HP_82x0C }, 0 }, /* Microtek */ {{ USB_VENDOR_SCANLOGIC, USB_PRODUCT_SCANLOGIC_336CX }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2 }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6 }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2 }, 0 }, {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL }, 0 }, /* Minolta */ {{ USB_VENDOR_MINOLTA, USB_PRODUCT_MINOLTA_5400 }, 0 }, /* Mustek */ {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200F }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200TA }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600USB }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600CU }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USB }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200UB }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USBPLUS }, 0 }, {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CUPLUS }, 0 }, /* National */ {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW1200 }, 0 }, {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW2400 }, 0 }, /* Nikon */ {{ USB_VENDOR_NIKON, USB_PRODUCT_NIKON_LS40 }, 0 }, /* Primax */ {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2X300 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_6200 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G600 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600 }, 0 }, {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600 }, 0 }, /* Epson */ {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1240 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1250 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1600 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1640 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1650 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1660 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1670 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1260 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1270 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_RX425 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_3200 }, USC_KEEP_OPEN }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9700F }, USC_KEEP_OPEN }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9300UF }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_2480 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_3500 }, USC_KEEP_OPEN }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_3590 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_4200 }, 0 }, {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_4990 }, 0 }, /* UMAX */ {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U }, 0 }, {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U }, 0 }, {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U }, 0 }, {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2100U }, 0 }, {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U }, 0 }, {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA3400 }, 0 }, /* Visioneer */ {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_3000 }, 0 }, {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300 }, 0 }, {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_7600 }, 0 }, {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100 }, 0 }, {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6200 }, 0 }, {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8100 }, 0 }, {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8600 }, 0 }, /* Ultima */ {{ USB_VENDOR_ULTIMA, USB_PRODUCT_ULTIMA_1200UBPLUS }, 0 }, }; #define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p)) #define USCANNER_BUFFERSIZE 1024 struct uscanner_softc { device_t sc_dev; /* base device */ usbd_device_handle sc_udev; usbd_interface_handle sc_iface; struct cdev *dev; u_int sc_dev_flags; usbd_pipe_handle sc_bulkin_pipe; int sc_bulkin; usbd_xfer_handle sc_bulkin_xfer; void *sc_bulkin_buffer; int sc_bulkin_bufferlen; int sc_bulkin_datalen; usbd_pipe_handle sc_bulkout_pipe; int sc_bulkout; usbd_xfer_handle sc_bulkout_xfer; void *sc_bulkout_buffer; int sc_bulkout_bufferlen; int sc_bulkout_datalen; u_char sc_state; #define USCANNER_OPEN 0x01 /* opened */ int sc_refcnt; u_char sc_dying; }; d_open_t uscanneropen; d_close_t uscannerclose; d_read_t uscannerread; d_write_t uscannerwrite; d_poll_t uscannerpoll; static struct cdevsw uscanner_cdevsw = { .d_version = D_VERSION, .d_flags = D_NEEDGIANT, .d_open = uscanneropen, .d_close = uscannerclose, .d_read = uscannerread, .d_write = uscannerwrite, .d_poll = uscannerpoll, .d_name = "uscanner", }; static int uscanner_do_read(struct uscanner_softc *, struct uio *, int); static int uscanner_do_write(struct uscanner_softc *, struct uio *, int); static void uscanner_do_close(struct uscanner_softc *); #define USCANNERUNIT(n) (minor(n)) USB_DECLARE_DRIVER(uscanner); static int uscanner_match(device_t self) { struct usb_attach_arg *uaa = device_get_ivars(self); if (uaa->iface != NULL) return UMATCH_NONE; return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE); } static int uscanner_attach(device_t self) { USB_ATTACH_START(uscanner, sc, uaa); usb_interface_descriptor_t *id = 0; usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL; int i; usbd_status err; sc->sc_dev = self; sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags; sc->sc_udev = uaa->device; err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */ if (err) { printf("%s: setting config no failed\n", device_get_nameunit(sc->sc_dev)); return ENXIO; } /* XXX We only check the first interface */ err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); if (!err && sc->sc_iface) id = usbd_get_interface_descriptor(sc->sc_iface); if (err || id == 0) { printf("%s: could not get interface descriptor, err=%d,id=%p\n", device_get_nameunit(sc->sc_dev), err, id); return ENXIO; } /* Find the two first bulk endpoints */ for (i = 0 ; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == 0) { printf("%s: could not read endpoint descriptor\n", device_get_nameunit(sc->sc_dev)); return ENXIO; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { ed_bulkin = ed; } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { ed_bulkout = ed; } if (ed_bulkin && ed_bulkout) /* found all we need */ break; } /* Verify that we goething sensible */ if (ed_bulkin == NULL || ed_bulkout == NULL) { printf("%s: bulk-in and/or bulk-out endpoint not found\n", device_get_nameunit(sc->sc_dev)); return ENXIO; } sc->sc_bulkin = ed_bulkin->bEndpointAddress; sc->sc_bulkout = ed_bulkout->bEndpointAddress; /* the main device, ctrl endpoint */ sc->dev = make_dev(&uscanner_cdevsw, device_get_unit(sc->sc_dev), UID_ROOT, GID_OPERATOR, 0644, "%s", device_get_nameunit(sc->sc_dev)); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,sc->sc_dev); return 0; } int uscanneropen(struct cdev *dev, int flag, int mode, struct thread *p) { struct uscanner_softc *sc; int unit = USCANNERUNIT(dev); usbd_status err; USB_GET_SC_OPEN(uscanner, unit, sc); DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n", flag, mode, unit)); if (sc->sc_dying) return (ENXIO); if (sc->sc_state & USCANNER_OPEN) return (EBUSY); sc->sc_state |= USCANNER_OPEN; sc->sc_bulkin_buffer = malloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK); sc->sc_bulkout_buffer = malloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK); /* No need to check buffers for NULL since we have WAITOK */ sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE; sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE; /* We have decided on which endpoints to use, now open the pipes */ if (sc->sc_bulkin_pipe == NULL) { err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin, USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe); if (err) { printf("%s: cannot open bulk-in pipe (addr %d)\n", device_get_nameunit(sc->sc_dev), sc->sc_bulkin); uscanner_do_close(sc); return (EIO); } } if (sc->sc_bulkout_pipe == NULL) { err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout, USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe); if (err) { printf("%s: cannot open bulk-out pipe (addr %d)\n", device_get_nameunit(sc->sc_dev), sc->sc_bulkout); uscanner_do_close(sc); return (EIO); } } sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev); if (sc->sc_bulkin_xfer == NULL) { uscanner_do_close(sc); return (ENOMEM); } sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev); if (sc->sc_bulkout_xfer == NULL) { uscanner_do_close(sc); return (ENOMEM); } return (0); /* success */ } int uscannerclose(struct cdev *dev, int flag, int mode, struct thread *p) { struct uscanner_softc *sc; USB_GET_SC(uscanner, USCANNERUNIT(dev), sc); DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n", flag, mode, USCANNERUNIT(dev))); #ifdef DIAGNOSTIC if (!(sc->sc_state & USCANNER_OPEN)) { printf("uscannerclose: not open\n"); return (EINVAL); } #endif uscanner_do_close(sc); return (0); } void uscanner_do_close(struct uscanner_softc *sc) { if (sc->sc_bulkin_xfer) { usbd_free_xfer(sc->sc_bulkin_xfer); sc->sc_bulkin_xfer = NULL; } if (sc->sc_bulkout_xfer) { usbd_free_xfer(sc->sc_bulkout_xfer); sc->sc_bulkout_xfer = NULL; } if (!(sc->sc_dev_flags & USC_KEEP_OPEN)) { if (sc->sc_bulkin_pipe != NULL) { usbd_abort_pipe(sc->sc_bulkin_pipe); usbd_close_pipe(sc->sc_bulkin_pipe); sc->sc_bulkin_pipe = NULL; } if (sc->sc_bulkout_pipe != NULL) { usbd_abort_pipe(sc->sc_bulkout_pipe); usbd_close_pipe(sc->sc_bulkout_pipe); sc->sc_bulkout_pipe = NULL; } } if (sc->sc_bulkin_buffer) { free(sc->sc_bulkin_buffer, M_USBDEV); sc->sc_bulkin_buffer = NULL; } if (sc->sc_bulkout_buffer) { free(sc->sc_bulkout_buffer, M_USBDEV); sc->sc_bulkout_buffer = NULL; } sc->sc_state &= ~USCANNER_OPEN; } static int uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag) { u_int32_t n, tn; usbd_status err; int error = 0; DPRINTFN(5, ("%s: uscannerread\n", device_get_nameunit(sc->sc_dev))); if (sc->sc_dying) return (EIO); while ((n = min(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) { DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n)); tn = n; err = usbd_bulk_transfer( sc->sc_bulkin_xfer, sc->sc_bulkin_pipe, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, sc->sc_bulkin_buffer, &tn, "uscnrb"); if (err) { if (err == USBD_INTERRUPTED) error = EINTR; else if (err == USBD_TIMEOUT) error = ETIMEDOUT; else error = EIO; break; } DPRINTFN(1, ("uscannerread: got %d bytes\n", tn)); error = uiomove(sc->sc_bulkin_buffer, tn, uio); if (error || tn < n) break; } return (error); } int uscannerread(struct cdev *dev, struct uio *uio, int flag) { struct uscanner_softc *sc; int error; USB_GET_SC(uscanner, USCANNERUNIT(dev), sc); sc->sc_refcnt++; error = uscanner_do_read(sc, uio, flag); if (--sc->sc_refcnt < 0) usb_detach_wakeup(sc->sc_dev); return (error); } static int uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag) { u_int32_t n; int error = 0; usbd_status err; DPRINTFN(5, ("%s: uscanner_do_write\n", device_get_nameunit(sc->sc_dev))); if (sc->sc_dying) return (EIO); while ((n = min(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) { error = uiomove(sc->sc_bulkout_buffer, n, uio); if (error) break; DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n)); err = usbd_bulk_transfer( sc->sc_bulkout_xfer, sc->sc_bulkout_pipe, 0, USBD_NO_TIMEOUT, sc->sc_bulkout_buffer, &n, "uscnwb"); if (err) { if (err == USBD_INTERRUPTED) error = EINTR; else error = EIO; break; } } return (error); } int uscannerwrite(struct cdev *dev, struct uio *uio, int flag) { struct uscanner_softc *sc; int error; USB_GET_SC(uscanner, USCANNERUNIT(dev), sc); sc->sc_refcnt++; error = uscanner_do_write(sc, uio, flag); if (--sc->sc_refcnt < 0) usb_detach_wakeup(sc->sc_dev); return (error); } static int uscanner_detach(device_t self) { USB_DETACH_START(uscanner, sc); int s; DPRINTF(("uscanner_detach: sc=%p\n", sc)); sc->sc_dying = 1; sc->sc_dev_flags = 0; /* make close really close device */ /* Abort all pipes. Causes processes waiting for transfer to wake. */ if (sc->sc_bulkin_pipe != NULL) usbd_abort_pipe(sc->sc_bulkin_pipe); if (sc->sc_bulkout_pipe != NULL) usbd_abort_pipe(sc->sc_bulkout_pipe); s = splusb(); if (--sc->sc_refcnt >= 0) { /* Wait for processes to go away. */ usb_detach_wait(sc->sc_dev); } splx(s); /* destroy the device for the control endpoint */ destroy_dev(sc->dev); usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); return (0); } int uscannerpoll(struct cdev *dev, int events, struct thread *p) { struct uscanner_softc *sc; int revents = 0; USB_GET_SC(uscanner, USCANNERUNIT(dev), sc); if (sc->sc_dying) return (EIO); /* * We have no easy way of determining if a read will * yield any data or a write will happen. * Pretend they will. */ revents |= events & (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM); return (revents); } DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0);