diff options
Diffstat (limited to 'sys/legacy/dev/usb/uscanner.c')
| -rw-r--r-- | sys/legacy/dev/usb/uscanner.c | 723 |
1 files changed, 723 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/uscanner.c b/sys/legacy/dev/usb/uscanner.c new file mode 100644 index 0000000..bff3a48 --- /dev/null +++ b/sys/legacy/dev/usb/uscanner.c @@ -0,0 +1,723 @@ +/* $NetBSD: uscanner.c,v 1.30 2002/07/11 21:14:36 augustss Exp$ */ + +/* Also already merged from NetBSD: + * $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $ + */ + +#include <sys/cdefs.h> +__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 <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/fcntl.h> +#include <sys/filio.h> +#include <sys/tty.h> +#include <sys/file.h> +#include <sys/selinfo.h> +#include <sys/proc.h> +#include <sys/poll.h> +#include <sys/conf.h> +#include <sys/sysctl.h> +#include <sys/uio.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbdi.h> +#include <dev/usb/usbdi_util.h> + +#include "usbdevs.h" + +#ifdef USB_DEBUG +#define DPRINTF(x) if (uscannerdebug) printf x +#define DPRINTFN(n,x) if (uscannerdebug>(n)) printf 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[] = { + + /* + * These first two entries are duplicates of known-working units, + * so one can patch them to test support for newer devices + * without rebuilding the module. + */ + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_6000 }, 0 }, /* duplicate */ + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_6000 }, 0 }, /* duplicate */ + + /* Acer Peripherals */ + {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 }, + {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_4300U }, 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_4470C }, 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_4800 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_4990 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_5000 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_6000 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_CX5400 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_DX7400 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_DX8400 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_CX5400 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_DX3800 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_DX4000 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_NX300 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_SX200 }, 0 }, + {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_SX400 }, 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) (dev2unit(n)) + +static device_probe_t uscanner_match; +static device_attach_t uscanner_attach; +static device_detach_t uscanner_detach; + +static device_method_t uscanner_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uscanner_match), + DEVMETHOD(device_attach, uscanner_attach), + DEVMETHOD(device_detach, uscanner_detach), + + { 0, 0 } +}; + +static driver_t uscanner_driver = { + "uscanner", + uscanner_methods, + sizeof(struct uscanner_softc) +}; + +static devclass_t uscanner_devclass; + +static int +uscanner_match(device_t self) +{ + struct usb_attach_arg *uaa = device_get_ivars(self); + usb_interface_descriptor_t *id; + + if (uaa->iface == NULL) + return UMATCH_NONE; /* do not grab the entire device */ + + if (uscanner_lookup(uaa->vendor, uaa->product) == NULL) + return UMATCH_NONE; /* not in the list of known devices */ + id = usbd_get_interface_descriptor(uaa->iface); + if (id == NULL) + return UMATCH_NONE; + + /* + * There isn't a specific UICLASS for scanners, many vendors use + * UICLASS_VENDOR, so detecting the right interface is not so easy. + * But certainly we can exclude PRINTER and MASS - which some + * multifunction devices implement. + */ + if (id->bInterfaceClass == UICLASS_PRINTER || + id->bInterfaceClass == UICLASS_MASS) + return UMATCH_NONE; + + return UMATCH_VENDOR_PRODUCT; /* ok we found it */ +} + +static int +uscanner_attach(device_t self) +{ + struct uscanner_softc *sc = device_get_softc(self); + struct usb_attach_arg *uaa = device_get_ivars(self); + usb_interface_descriptor_t *id = 0; + usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL; + int i; + usbd_status err; + int ifnum; + + sc->sc_dev = self; + sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags; + sc->sc_udev = uaa->device; + + id = usbd_get_interface_descriptor(uaa->iface); + ifnum = id->bInterfaceNumber; +#if 0 + /* + * This was in the original driver, but we cannot change the + * configuration of the whole device while attaching only to + * one of its interfaces. This can kill other already-attached + * driver, and/or possibly prevent this driver from attaching + * if an error occurs in set_config_no. + * If a device need setting the configuration, this must be done + * before attaching drivers to the various interfaces. + */ + 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; + } +#endif + err = usbd_device2interface_handle(sc->sc_udev, ifnum, &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; + + sc = devclass_get_softc(uscanner_devclass, unit); + if (sc == NULL) + return (ENXIO); + + 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; + + sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev)); + 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; + + sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev)); + 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; + + sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev)); + 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) +{ + struct uscanner_softc *sc = device_get_softc(self); + 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; + + sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev)); + 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); +} + +MODULE_DEPEND(uscanner, usb, 1, 1, 1); +DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0); |
