644 lines
20 KiB
C
644 lines
20 KiB
C
/* $NetBSD: uscanner.c,v 1.30 2002/07/11 21:14:36 augustss Exp$ */
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/* Also already merged from NetBSD:
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* $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 2000 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) at
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* Carlstedt Research & Technology
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* and Nick Hibma (n_hibma@qubesoft.com).
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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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#include "usbdevs.h"
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#include <dev/usb/usb.h>
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#include <dev/usb/usb_mfunc.h>
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#include <dev/usb/usb_error.h>
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#define USB_DEBUG_VAR uscanner_debug
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_request.h>
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#include <dev/usb/usb_lookup.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_mbuf.h>
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#include <dev/usb/usb_dev.h>
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#if USB_DEBUG
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static int uscanner_debug = 0;
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SYSCTL_NODE(_hw_usb2, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
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SYSCTL_INT(_hw_usb2_uscanner, OID_AUTO, debug, CTLFLAG_RW, &uscanner_debug,
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0, "uscanner debug level");
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#endif
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/*
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* uscanner transfers macros definition.
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*/
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#define USCANNER_BSIZE (1 << 15)
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#define USCANNER_IFQ_MAXLEN 2
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/*
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* Transfers stallings handling flags definition.
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*/
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#define USCANNER_FLAG_READ_STALL 0x01
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#define USCANNER_FLAG_WRITE_STALL 0x02
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/*
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* uscanner_info flags definition.
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*/
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#define USCANNER_FLAG_KEEP_OPEN 0x04
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enum {
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USCANNER_BULK_DT_WR,
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USCANNER_BULK_DT_RD,
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USCANNER_BULK_CS_WR,
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USCANNER_BULK_CS_RD,
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USCANNER_N_TRANSFER = 4,
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};
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struct uscanner_softc {
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struct usb2_fifo_sc sc_fifo;
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struct mtx sc_mtx;
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struct usb2_xfer *sc_xfer[USCANNER_N_TRANSFER];
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uint8_t sc_flags; /* Used to prevent stalls */
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};
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/*
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* Prototypes for driver handling routines (sorted by use).
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*/
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static device_probe_t uscanner_probe;
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static device_attach_t uscanner_attach;
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static device_detach_t uscanner_detach;
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/*
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* Prototypes for xfer transfer callbacks.
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*/
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static usb2_callback_t uscanner_read_callback;
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static usb2_callback_t uscanner_read_clear_stall_callback;
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static usb2_callback_t uscanner_write_callback;
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static usb2_callback_t uscanner_write_clear_stall_callback;
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/*
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* Prototypes for the character device handling routines.
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*/
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static usb2_fifo_close_t uscanner_close;
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static usb2_fifo_cmd_t uscanner_start_read;
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static usb2_fifo_cmd_t uscanner_start_write;
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static usb2_fifo_cmd_t uscanner_stop_read;
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static usb2_fifo_cmd_t uscanner_stop_write;
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static usb2_fifo_open_t uscanner_open;
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static struct usb2_fifo_methods uscanner_fifo_methods = {
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.f_close = &uscanner_close,
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.f_open = &uscanner_open,
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.f_start_read = &uscanner_start_read,
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.f_start_write = &uscanner_start_write,
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.f_stop_read = &uscanner_stop_read,
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.f_stop_write = &uscanner_stop_write,
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.basename[0] = "uscanner",
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};
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/*
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* xfer transfers array. Resolve-stalling callbacks are marked as control
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* transfers.
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*/
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static const struct usb2_config uscanner_config[USCANNER_N_TRANSFER] = {
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[USCANNER_BULK_DT_WR] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_OUT,
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.mh.bufsize = USCANNER_BSIZE,
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.mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,.proxy_buffer = 1,.force_short_xfer = 1,},
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.mh.callback = &uscanner_write_callback,
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},
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[USCANNER_BULK_DT_RD] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.mh.bufsize = USCANNER_BSIZE,
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.mh.flags = {.pipe_bof = 1,.proxy_buffer = 1,.short_xfer_ok = 1,},
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.mh.callback = &uscanner_read_callback,
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},
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[USCANNER_BULK_CS_WR] = {
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.type = UE_CONTROL,
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.endpoint = 0x00, /* Control pipe */
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.direction = UE_DIR_ANY,
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.mh.bufsize = sizeof(struct usb2_device_request),
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.mh.flags = {},
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.mh.callback = &uscanner_write_clear_stall_callback,
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.mh.timeout = 1000,
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.mh.interval = 50, /* 50ms */
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},
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[USCANNER_BULK_CS_RD] = {
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.type = UE_CONTROL,
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.endpoint = 0x00,
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.direction = UE_DIR_ANY,
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.mh.bufsize = sizeof(struct usb2_device_request),
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.mh.flags = {},
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.mh.callback = &uscanner_read_clear_stall_callback,
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.mh.timeout = 1000,
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.mh.interval = 50, /* 50ms */
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},
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};
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static devclass_t uscanner_devclass;
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static device_method_t uscanner_methods[] = {
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DEVMETHOD(device_probe, uscanner_probe),
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DEVMETHOD(device_attach, uscanner_attach),
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DEVMETHOD(device_detach, uscanner_detach),
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{0, 0}
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};
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static driver_t uscanner_driver = {
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.name = "uscanner",
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.methods = uscanner_methods,
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.size = sizeof(struct uscanner_softc),
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};
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DRIVER_MODULE(uscanner, ushub, uscanner_driver, uscanner_devclass, NULL, 0);
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MODULE_DEPEND(uscanner, usb, 1, 1, 1);
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/*
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* USB scanners device IDs
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*/
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static const struct usb2_device_id uscanner_devs[] = {
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/* Acer */
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U, 0)},
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U, 0)},
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640BT, 0)},
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U, 0)},
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_1240U, 0)},
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U, 0)},
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{USB_VPI(USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_4300U, 0)},
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/* AGFA */
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1236U, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE40, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE50, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE20, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE25, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE26, 0)},
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{USB_VPI(USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE52, 0)},
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/* Avision */
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{USB_VPI(USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U, 0)},
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/* Canon */
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{USB_VPI(USB_VENDOR_CANON, USB_PRODUCT_CANON_N656U, 0)},
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{USB_VPI(USB_VENDOR_CANON, USB_PRODUCT_CANON_N676U, 0)},
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{USB_VPI(USB_VENDOR_CANON, USB_PRODUCT_CANON_N1220U, 0)},
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{USB_VPI(USB_VENDOR_CANON, USB_PRODUCT_CANON_D660U, 0)},
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{USB_VPI(USB_VENDOR_CANON, USB_PRODUCT_CANON_N1240U, 0)},
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{USB_VPI(USB_VENDOR_CANON, USB_PRODUCT_CANON_LIDE25, 0)},
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/* Epson */
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1240, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1250, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1270, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1600, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1640, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1650, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1660, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1670, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1260, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_RX425, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_3200, USCANNER_FLAG_KEEP_OPEN)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9700F, USCANNER_FLAG_KEEP_OPEN)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_CX5400, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_DX7400, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9300UF, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_2480, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_3500, USCANNER_FLAG_KEEP_OPEN)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_3590, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_4200, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_4800, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_4990, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_5000, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_6000, 0)},
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{USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_DX8400, 0)},
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/* HP */
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_2200C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_3300C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_3400CSE, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_4100C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_4200C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_4300C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_4470C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_4670V, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_S20, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_5200C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_5300C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_5400C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_6200C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_6300C, 0)},
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{USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_82x0C, 0)},
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/* Kye */
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{USB_VPI(USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO, 0)},
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/* Microtek */
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U, 0)},
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX, 0)},
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2, 0)},
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6, 0)},
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL, 0)},
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2, 0)},
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{USB_VPI(USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL, 0)},
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/* Minolta */
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{USB_VPI(USB_VENDOR_MINOLTA, USB_PRODUCT_MINOLTA_5400, 0)},
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/* Mustek */
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200F, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200TA, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600USB, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600CU, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USB, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200UB, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USBPLUS, 0)},
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{USB_VPI(USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CUPLUS, 0)},
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/* National */
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{USB_VPI(USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW1200, 0)},
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{USB_VPI(USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW2400, 0)},
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/* Nikon */
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{USB_VPI(USB_VENDOR_NIKON, USB_PRODUCT_NIKON_LS40, 0)},
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/* Primax */
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2X300, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_6200, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G600, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600, 0)},
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{USB_VPI(USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600, 0)},
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/* Scanlogic */
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{USB_VPI(USB_VENDOR_SCANLOGIC, USB_PRODUCT_SCANLOGIC_336CX, 0)},
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/* Ultima */
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{USB_VPI(USB_VENDOR_ULTIMA, USB_PRODUCT_ULTIMA_1200UBPLUS, 0)},
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/* UMAX */
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{USB_VPI(USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U, 0)},
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{USB_VPI(USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U, 0)},
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{USB_VPI(USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U, 0)},
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{USB_VPI(USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2100U, 0)},
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{USB_VPI(USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U, 0)},
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{USB_VPI(USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA3400, 0)},
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/* Visioneer */
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{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_3000, 0)},
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{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300, 0)},
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{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_7600, 0)},
|
|
{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100, 0)},
|
|
{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6200, 0)},
|
|
{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8100, 0)},
|
|
{USB_VPI(USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8600, 0)}
|
|
};
|
|
|
|
/*
|
|
* uscanner device probing method.
|
|
*/
|
|
static int
|
|
uscanner_probe(device_t dev)
|
|
{
|
|
struct usb2_attach_arg *uaa;
|
|
|
|
DPRINTFN(11, "\n");
|
|
|
|
uaa = device_get_ivars(dev);
|
|
if (uaa->usb2_mode != USB_MODE_HOST) {
|
|
return (ENXIO);
|
|
}
|
|
/* Give other class drivers a chance for multifunctional scanners. */
|
|
if (uaa->use_generic == 0) {
|
|
return (ENXIO);
|
|
}
|
|
return (usb2_lookup_id_by_uaa(uscanner_devs, sizeof(uscanner_devs), uaa));
|
|
}
|
|
|
|
/*
|
|
* uscanner device attaching method.
|
|
*/
|
|
static int
|
|
uscanner_attach(device_t dev)
|
|
{
|
|
struct usb2_attach_arg *uaa;
|
|
struct uscanner_softc *sc;
|
|
int unit;
|
|
int error;
|
|
|
|
uaa = device_get_ivars(dev);
|
|
sc = device_get_softc(dev);
|
|
unit = device_get_unit(dev);
|
|
|
|
/*
|
|
* A first path softc structure filling. sc_fifo and
|
|
* sc_xfer are initialised later.
|
|
*/
|
|
sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
|
|
mtx_init(&sc->sc_mtx, "uscanner mutex", NULL, MTX_DEF | MTX_RECURSE);
|
|
|
|
/*
|
|
* Announce the device:
|
|
*/
|
|
device_set_usb2_desc(dev);
|
|
|
|
/*
|
|
* Setup the transfer.
|
|
*/
|
|
if ((error = usb2_transfer_setup(uaa->device, &uaa->info.bIfaceIndex, sc->sc_xfer,
|
|
uscanner_config, USCANNER_N_TRANSFER, sc, &sc->sc_mtx))) {
|
|
device_printf(dev, "could not setup transfers, "
|
|
"error=%s\n", usb2_errstr(error));
|
|
goto detach;
|
|
}
|
|
/* set interface permissions */
|
|
usb2_set_iface_perm(uaa->device, uaa->info.bIfaceIndex,
|
|
UID_ROOT, GID_OPERATOR, 0644);
|
|
|
|
error = usb2_fifo_attach(uaa->device, sc, &sc->sc_mtx,
|
|
&uscanner_fifo_methods, &sc->sc_fifo,
|
|
unit, 0 - 1, uaa->info.bIfaceIndex);
|
|
if (error) {
|
|
goto detach;
|
|
}
|
|
return (0);
|
|
|
|
detach:
|
|
uscanner_detach(dev);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* uscanner device detaching method.
|
|
*/
|
|
static int
|
|
uscanner_detach(device_t dev)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
usb2_fifo_detach(&sc->sc_fifo);
|
|
usb2_transfer_unsetup(sc->sc_xfer, USCANNER_N_TRANSFER);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Reading callback. Implemented as an "in" bulk transfer.
|
|
*/
|
|
static void
|
|
uscanner_read_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
struct usb2_fifo *f;
|
|
|
|
sc = xfer->priv_sc;
|
|
f = sc->sc_fifo.fp[USB_FIFO_RX];
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
usb2_fifo_put_data(f, xfer->frbuffers, 0,
|
|
xfer->actlen, 1);
|
|
|
|
case USB_ST_SETUP:
|
|
/*
|
|
* If reading is in stall, just jump to clear stall callback and
|
|
* solve the situation.
|
|
*/
|
|
if (sc->sc_flags & USCANNER_FLAG_READ_STALL) {
|
|
usb2_transfer_start(sc->sc_xfer[USCANNER_BULK_CS_RD]);
|
|
break;
|
|
}
|
|
if (usb2_fifo_put_bytes_max(f) != 0) {
|
|
xfer->frlengths[0] = xfer->max_data_length;
|
|
usb2_start_hardware(xfer);
|
|
}
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
sc->sc_flags |= USCANNER_FLAG_READ_STALL;
|
|
usb2_transfer_start(sc->sc_xfer[USCANNER_BULK_CS_RD]);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Removing stall on reading callback.
|
|
*/
|
|
static void
|
|
uscanner_read_clear_stall_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct uscanner_softc *sc = xfer->priv_sc;
|
|
struct usb2_xfer *xfer_other = sc->sc_xfer[USCANNER_BULK_DT_RD];
|
|
|
|
if (usb2_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTF("stall cleared\n");
|
|
sc->sc_flags &= ~USCANNER_FLAG_READ_STALL;
|
|
usb2_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Writing callback. Implemented as an "out" bulk transfer.
|
|
*/
|
|
static void
|
|
uscanner_write_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
struct usb2_fifo *f;
|
|
uint32_t actlen;
|
|
|
|
sc = xfer->priv_sc;
|
|
f = sc->sc_fifo.fp[USB_FIFO_TX];
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_SETUP:
|
|
case USB_ST_TRANSFERRED:
|
|
/*
|
|
* If writing is in stall, just jump to clear stall callback and
|
|
* solve the situation.
|
|
*/
|
|
if (sc->sc_flags & USCANNER_FLAG_WRITE_STALL) {
|
|
usb2_transfer_start(sc->sc_xfer[USCANNER_BULK_CS_WR]);
|
|
break;
|
|
}
|
|
/*
|
|
* Write datas, setup and perform hardware transfer.
|
|
*/
|
|
if (usb2_fifo_get_data(f, xfer->frbuffers, 0,
|
|
xfer->max_data_length, &actlen, 0)) {
|
|
xfer->frlengths[0] = actlen;
|
|
usb2_start_hardware(xfer);
|
|
}
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
sc->sc_flags |= USCANNER_FLAG_WRITE_STALL;
|
|
usb2_transfer_start(sc->sc_xfer[USCANNER_BULK_CS_WR]);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Removing stall on writing callback.
|
|
*/
|
|
static void
|
|
uscanner_write_clear_stall_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct uscanner_softc *sc = xfer->priv_sc;
|
|
struct usb2_xfer *xfer_other = sc->sc_xfer[USCANNER_BULK_DT_WR];
|
|
|
|
if (usb2_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTF("stall cleared\n");
|
|
sc->sc_flags &= ~USCANNER_FLAG_WRITE_STALL;
|
|
usb2_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* uscanner character device opening method.
|
|
*/
|
|
static int
|
|
uscanner_open(struct usb2_fifo *fifo, int fflags, struct thread *td)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
|
|
sc = fifo->priv_sc0;
|
|
|
|
if (!(sc->sc_flags & USCANNER_FLAG_KEEP_OPEN)) {
|
|
if (fflags & FWRITE) {
|
|
sc->sc_flags |= USCANNER_FLAG_WRITE_STALL;
|
|
}
|
|
if (fflags & FREAD) {
|
|
sc->sc_flags |= USCANNER_FLAG_READ_STALL;
|
|
}
|
|
}
|
|
if (fflags & FREAD) {
|
|
if (usb2_fifo_alloc_buffer(fifo,
|
|
sc->sc_xfer[USCANNER_BULK_DT_RD]->max_data_length,
|
|
USCANNER_IFQ_MAXLEN)) {
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
if (fflags & FWRITE) {
|
|
if (usb2_fifo_alloc_buffer(fifo,
|
|
sc->sc_xfer[USCANNER_BULK_DT_WR]->max_data_length,
|
|
USCANNER_IFQ_MAXLEN)) {
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
uscanner_close(struct usb2_fifo *fifo, int fflags, struct thread *td)
|
|
{
|
|
if (fflags & (FREAD | FWRITE)) {
|
|
usb2_fifo_free_buffer(fifo);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* uscanner character device start reading method.
|
|
*/
|
|
static void
|
|
uscanner_start_read(struct usb2_fifo *fifo)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
|
|
sc = fifo->priv_sc0;
|
|
usb2_transfer_start(sc->sc_xfer[USCANNER_BULK_DT_RD]);
|
|
}
|
|
|
|
/*
|
|
* uscanner character device start writing method.
|
|
*/
|
|
static void
|
|
uscanner_start_write(struct usb2_fifo *fifo)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
|
|
sc = fifo->priv_sc0;
|
|
usb2_transfer_start(sc->sc_xfer[USCANNER_BULK_DT_WR]);
|
|
}
|
|
|
|
/*
|
|
* uscanner character device stop reading method.
|
|
*/
|
|
static void
|
|
uscanner_stop_read(struct usb2_fifo *fifo)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
|
|
sc = fifo->priv_sc0;
|
|
usb2_transfer_stop(sc->sc_xfer[USCANNER_BULK_CS_RD]);
|
|
usb2_transfer_stop(sc->sc_xfer[USCANNER_BULK_DT_RD]);
|
|
}
|
|
|
|
/*
|
|
* uscanner character device stop writing method.
|
|
*/
|
|
static void
|
|
uscanner_stop_write(struct usb2_fifo *fifo)
|
|
{
|
|
struct uscanner_softc *sc;
|
|
|
|
sc = fifo->priv_sc0;
|
|
usb2_transfer_stop(sc->sc_xfer[USCANNER_BULK_CS_WR]);
|
|
usb2_transfer_stop(sc->sc_xfer[USCANNER_BULK_DT_WR]);
|
|
}
|