/* $NetBSD: uscanner.c,v 1.2 2000/09/23 05:05:31 augustss Exp $ */ /* $FreeBSD$ */ /* * 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 #if defined(__NetBSD__) || defined(__OpenBSD__) #include #elif defined(__FreeBSD__) #include #include #include #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #ifdef USCANNER_DEBUG #define DPRINTF(x) if (uscannerdebug) logprintf x #define DPRINTFN(n,x) if (uscannerdebug>(n)) logprintf x int uscannerdebug = 0; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif /* table of scanners that may work with this driver */ static const struct scanner_id { uint16_t vendor; uint16_t product; } scanner_ids [] = { /* Acer Peripherals */ { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, /* AGFA */ { USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U }, { USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2 }, { USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH }, /* Kye */ { USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO }, /* HP */ { USB_VENDOR_HP, USB_PRODUCT_HP_3300C }, { USB_VENDOR_HP, USB_PRODUCT_HP_4100C }, { USB_VENDOR_HP, USB_PRODUCT_HP_4200C }, { USB_VENDOR_HP, USB_PRODUCT_HP_S20 }, { USB_VENDOR_HP, USB_PRODUCT_HP_5200 }, { USB_VENDOR_HP, USB_PRODUCT_HP_6200C }, { USB_VENDOR_HP, USB_PRODUCT_HP_6300C }, /* Avision */ { USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U }, /* Micrortek */ { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U }, { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX }, { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2 }, { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6 }, { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL }, { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2 }, { USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL }, /* Mustek */ { USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU }, /* Primax */ { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200 }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U }, { USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U }, /* Epson */ { USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636 }, { USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610 }, { USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200 }, /* UMAX */ { USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U }, { USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U }, { USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U }, { USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U }, /* Visioneer */ { USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300 }, { USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100 }, { 0, 0 } }; #define USCANNER_BUFFERSIZE 1024 struct uscanner_softc { USBBASEDEVICE sc_dev; /* base device */ usbd_device_handle sc_udev; usbd_interface_handle sc_iface; 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; }; #if defined(__NetBSD__) || defined(__OpenBSD__) cdev_decl(uscanner); #elif defined(__FreeBSD__) d_open_t uscanneropen; d_close_t uscannerclose; d_read_t uscannerread; d_write_t uscannerwrite; d_poll_t uscannerpoll; #define USCANNER_CDEV_MAJOR 155 Static struct cdevsw uscanner_cdevsw = { /* open */ uscanneropen, /* close */ uscannerclose, /* read */ uscannerread, /* write */ uscannerwrite, /* ioctl */ noioctl, /* poll */ uscannerpoll, /* mmap */ nommap, /* strategy */ nostrategy, /* name */ "uscanner", /* maj */ USCANNER_CDEV_MAJOR, /* dump */ nodump, /* psize */ nopsize, /* flags */ 0, /* bmaj */ -1 }; #endif 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); USB_MATCH(uscanner) { USB_MATCH_START(uscanner, uaa); int i; if (uaa->iface != NULL) return UMATCH_NONE; for (i = 0; scanner_ids[i].vendor != 0; i++) { if (scanner_ids[i].vendor == uaa->vendor && scanner_ids[i].product == uaa->product) { return (UMATCH_VENDOR_PRODUCT); } } return (UMATCH_NONE); } USB_ATTACH(uscanner) { USB_ATTACH_START(uscanner, sc, uaa); usb_interface_descriptor_t *id = 0; usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL; char devinfo[1024]; int i; usbd_status err; usbd_devinfo(uaa->device, 0, devinfo); USB_ATTACH_SETUP; printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); sc->sc_udev = uaa->device; err = usbd_set_config_no(uaa->device, 1, 0); /* XXX */ if (err) { printf("%s: setting config no failed\n", USBDEVNAME(sc->sc_dev)); USB_ATTACH_ERROR_RETURN; } /* 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", USBDEVNAME(sc->sc_dev), err, id); USB_ATTACH_ERROR_RETURN; } /* 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", USBDEVNAME(sc->sc_dev)); USB_ATTACH_ERROR_RETURN; } 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", USBDEVNAME(sc->sc_dev)); USB_ATTACH_ERROR_RETURN; } sc->sc_bulkin = ed_bulkin->bEndpointAddress; sc->sc_bulkout = ed_bulkout->bEndpointAddress; #ifdef __FreeBSD__ /* the main device, ctrl endpoint */ make_dev(&uscanner_cdevsw, USBDEVUNIT(sc->sc_dev), UID_ROOT, GID_OPERATOR, 0644, "%s", USBDEVNAME(sc->sc_dev)); #endif USB_ATTACH_SUCCESS_RETURN; } int uscanneropen(dev, flag, mode, p) dev_t dev; int flag; int mode; struct proc *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_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 */ 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", USBDEVNAME(sc->sc_dev), sc->sc_bulkin); uscanner_do_close(sc); return (EIO); } 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", USBDEVNAME(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(dev, flag, mode, p) dev_t dev; int flag; int mode; struct proc *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_bulkin_pipe) { usbd_abort_pipe(sc->sc_bulkin_pipe); usbd_close_pipe(sc->sc_bulkin_pipe); sc->sc_bulkin_pipe = NULL; } if (sc->sc_bulkout_pipe) { 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(sc, uio, flag) 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", USBDEVNAME(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, sc->sc_state & USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, sc->sc_bulkin_buffer, &tn, "uscannerrb"); 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(dev, uio, flag) dev_t 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(USBDEV(sc->sc_dev)); return (error); } Static int uscanner_do_write(sc, uio, flag) 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", USBDEVNAME(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, "uscannerwb"); if (err) { if (err == USBD_INTERRUPTED) error = EINTR; else error = EIO; break; } } return (error); } int uscannerwrite(dev, uio, flag) dev_t 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(USBDEV(sc->sc_dev)); return (error); } #if defined(__NetBSD__) || defined(__OpenBSD__) int uscanner_activate(self, act) device_ptr_t self; enum devact act; { struct uscanner_softc *sc = (struct uscanner_softc *)self; switch (act) { case DVACT_ACTIVATE: return (EOPNOTSUPP); break; case DVACT_DEACTIVATE: sc->sc_dying = 1; break; } return (0); } #endif USB_DETACH(uscanner) { USB_DETACH_START(uscanner, sc); int s; #if defined(__NetBSD__) || defined(__OpenBSD__) int maj, mn; #elif defined(__FreeBSD__) dev_t dev; struct vnode *vp; #endif #if defined(__NetBSD__) || defined(__OpenBSD__) DPRINTF(("uscanner_detach: sc=%p flags=%d\n", sc, flags)); #elif defined(__FreeBSD__) DPRINTF(("uscanner_detach: sc=%p\n", sc)); #endif sc->sc_dying = 1; /* Abort all pipes. Causes processes waiting for transfer to wake. */ if (sc->sc_bulkin_pipe) usbd_abort_pipe(sc->sc_bulkin_pipe); if (sc->sc_bulkout_pipe) usbd_abort_pipe(sc->sc_bulkout_pipe); s = splusb(); if (--sc->sc_refcnt >= 0) { /* Wait for processes to go away. */ usb_detach_wait(USBDEV(sc->sc_dev)); } splx(s); #if defined(__NetBSD__) || defined(__OpenBSD__) /* locate the major number */ for (maj = 0; maj < nchrdev; maj++) if (cdevsw[maj].d_open == uscanneropen) break; /* Nuke the vnodes for any open instances (calls close). */ mn = self->dv_unit * USB_MAX_ENDPOINTS; vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR); #elif defined(__FreeBSD__) /* destroy the device for the control endpoint */ dev = makedev(USCANNER_CDEV_MAJOR, USBDEVUNIT(sc->sc_dev)); vp = SLIST_FIRST(&dev->si_hlist); if (vp) VOP_REVOKE(vp, REVOKEALL); destroy_dev(dev); #endif return (0); } int uscannerpoll(dev, events, p) dev_t dev; int events; struct proc *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); } int uscannerioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) { return (EINVAL); } #if defined(__FreeBSD__) DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0); #endif