deefe58337
Tested with: u3g, ubser, uplcom
639 lines
17 KiB
C
639 lines
17 KiB
C
/*-
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* Copyright (c) 2002, Alexander Kabaev <kan.FreeBSD.org>.
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ichiro FUKUHARA (ichiro@ichiro.org).
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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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#include <dev/usb/usb_cdc.h>
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#define USB_DEBUG_VAR ubsa_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/serial/usb_serial.h>
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#if USB_DEBUG
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static int ubsa_debug = 0;
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SYSCTL_NODE(_hw_usb2, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa");
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SYSCTL_INT(_hw_usb2_ubsa, OID_AUTO, debug, CTLFLAG_RW,
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&ubsa_debug, 0, "ubsa debug level");
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#endif
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#define UBSA_BSIZE 1024 /* bytes */
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#define UBSA_CONFIG_INDEX 0
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#define UBSA_IFACE_INDEX 0
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#define UBSA_REG_BAUDRATE 0x00
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#define UBSA_REG_STOP_BITS 0x01
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#define UBSA_REG_DATA_BITS 0x02
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#define UBSA_REG_PARITY 0x03
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#define UBSA_REG_DTR 0x0A
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#define UBSA_REG_RTS 0x0B
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#define UBSA_REG_BREAK 0x0C
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#define UBSA_REG_FLOW_CTRL 0x10
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#define UBSA_PARITY_NONE 0x00
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#define UBSA_PARITY_EVEN 0x01
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#define UBSA_PARITY_ODD 0x02
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#define UBSA_PARITY_MARK 0x03
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#define UBSA_PARITY_SPACE 0x04
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#define UBSA_FLOW_NONE 0x0000
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#define UBSA_FLOW_OCTS 0x0001
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#define UBSA_FLOW_ODSR 0x0002
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#define UBSA_FLOW_IDSR 0x0004
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#define UBSA_FLOW_IDTR 0x0008
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#define UBSA_FLOW_IRTS 0x0010
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#define UBSA_FLOW_ORTS 0x0020
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#define UBSA_FLOW_UNKNOWN 0x0040
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#define UBSA_FLOW_OXON 0x0080
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#define UBSA_FLOW_IXON 0x0100
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/* line status register */
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#define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */
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#define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */
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#define UBSA_LSR_BI 0x10 /* Break detected */
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#define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */
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#define UBSA_LSR_PE 0x04 /* Parity error */
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#define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */
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#define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
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#define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */
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/* modem status register */
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/* All deltas are from the last read of the MSR. */
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#define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */
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#define UBSA_MSR_RI 0x40 /* Current Ring Indicator */
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#define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */
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#define UBSA_MSR_CTS 0x10 /* Current Clear to Send */
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#define UBSA_MSR_DDCD 0x08 /* DCD has changed state */
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#define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */
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#define UBSA_MSR_DDSR 0x02 /* DSR has changed state */
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#define UBSA_MSR_DCTS 0x01 /* CTS has changed state */
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enum {
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UBSA_BULK_DT_WR,
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UBSA_BULK_DT_RD,
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UBSA_INTR_DT_RD,
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UBSA_N_TRANSFER,
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};
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struct ubsa_softc {
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struct usb2_com_super_softc sc_super_ucom;
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struct usb2_com_softc sc_ucom;
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struct usb2_xfer *sc_xfer[UBSA_N_TRANSFER];
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struct usb2_device *sc_udev;
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struct mtx sc_mtx;
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uint8_t sc_iface_no; /* interface number */
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uint8_t sc_iface_index; /* interface index */
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uint8_t sc_lsr; /* local status register */
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uint8_t sc_msr; /* UBSA status register */
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};
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static device_probe_t ubsa_probe;
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static device_attach_t ubsa_attach;
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static device_detach_t ubsa_detach;
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static usb2_callback_t ubsa_write_callback;
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static usb2_callback_t ubsa_read_callback;
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static usb2_callback_t ubsa_intr_callback;
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static void ubsa_cfg_request(struct ubsa_softc *, uint8_t, uint16_t);
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static void ubsa_cfg_set_dtr(struct usb2_com_softc *, uint8_t);
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static void ubsa_cfg_set_rts(struct usb2_com_softc *, uint8_t);
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static void ubsa_cfg_set_break(struct usb2_com_softc *, uint8_t);
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static int ubsa_pre_param(struct usb2_com_softc *, struct termios *);
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static void ubsa_cfg_param(struct usb2_com_softc *, struct termios *);
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static void ubsa_start_read(struct usb2_com_softc *);
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static void ubsa_stop_read(struct usb2_com_softc *);
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static void ubsa_start_write(struct usb2_com_softc *);
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static void ubsa_stop_write(struct usb2_com_softc *);
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static void ubsa_cfg_get_status(struct usb2_com_softc *, uint8_t *,
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uint8_t *);
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static const struct usb2_config ubsa_config[UBSA_N_TRANSFER] = {
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[UBSA_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 = UBSA_BSIZE, /* bytes */
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.mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.mh.callback = &ubsa_write_callback,
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},
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[UBSA_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 = UBSA_BSIZE, /* bytes */
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.mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.mh.callback = &ubsa_read_callback,
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},
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[UBSA_INTR_DT_RD] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.mh.bufsize = 0, /* use wMaxPacketSize */
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.mh.callback = &ubsa_intr_callback,
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},
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};
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static const struct usb2_com_callback ubsa_callback = {
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.usb2_com_cfg_get_status = &ubsa_cfg_get_status,
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.usb2_com_cfg_set_dtr = &ubsa_cfg_set_dtr,
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.usb2_com_cfg_set_rts = &ubsa_cfg_set_rts,
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.usb2_com_cfg_set_break = &ubsa_cfg_set_break,
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.usb2_com_cfg_param = &ubsa_cfg_param,
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.usb2_com_pre_param = &ubsa_pre_param,
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.usb2_com_start_read = &ubsa_start_read,
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.usb2_com_stop_read = &ubsa_stop_read,
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.usb2_com_start_write = &ubsa_start_write,
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.usb2_com_stop_write = &ubsa_stop_write,
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};
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static const struct usb2_device_id ubsa_devs[] = {
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/* AnyData ADU-500A */
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{USB_VPI(USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_500A, 0)},
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/* AnyData ADU-E100A/H */
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{USB_VPI(USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_E100X, 0)},
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/* Axesstel MV100H */
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{USB_VPI(USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM, 0)},
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/* BELKIN F5U103 */
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{USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103, 0)},
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/* BELKIN F5U120 */
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{USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120, 0)},
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/* GoHubs GO-COM232 */
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{USB_VPI(USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM, 0)},
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/* GoHubs GO-COM232 */
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{USB_VPI(USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232, 0)},
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/* Peracom */
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{USB_VPI(USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1, 0)},
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};
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static device_method_t ubsa_methods[] = {
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DEVMETHOD(device_probe, ubsa_probe),
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DEVMETHOD(device_attach, ubsa_attach),
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DEVMETHOD(device_detach, ubsa_detach),
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{0, 0}
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};
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static devclass_t ubsa_devclass;
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static driver_t ubsa_driver = {
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.name = "ubsa",
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.methods = ubsa_methods,
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.size = sizeof(struct ubsa_softc),
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};
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DRIVER_MODULE(ubsa, ushub, ubsa_driver, ubsa_devclass, NULL, 0);
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MODULE_DEPEND(ubsa, ucom, 1, 1, 1);
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MODULE_DEPEND(ubsa, usb, 1, 1, 1);
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static int
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ubsa_probe(device_t dev)
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{
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struct usb2_attach_arg *uaa = device_get_ivars(dev);
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if (uaa->usb2_mode != USB_MODE_HOST) {
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return (ENXIO);
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}
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if (uaa->info.bConfigIndex != UBSA_CONFIG_INDEX) {
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return (ENXIO);
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}
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if (uaa->info.bIfaceIndex != UBSA_IFACE_INDEX) {
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return (ENXIO);
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}
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return (usb2_lookup_id_by_uaa(ubsa_devs, sizeof(ubsa_devs), uaa));
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}
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static int
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ubsa_attach(device_t dev)
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{
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struct usb2_attach_arg *uaa = device_get_ivars(dev);
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struct ubsa_softc *sc = device_get_softc(dev);
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int error;
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DPRINTF("sc=%p\n", sc);
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device_set_usb2_desc(dev);
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mtx_init(&sc->sc_mtx, "ubsa", NULL, MTX_DEF);
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sc->sc_udev = uaa->device;
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sc->sc_iface_no = uaa->info.bIfaceNum;
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sc->sc_iface_index = UBSA_IFACE_INDEX;
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error = usb2_transfer_setup(uaa->device, &sc->sc_iface_index,
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sc->sc_xfer, ubsa_config, UBSA_N_TRANSFER, sc, &sc->sc_mtx);
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if (error) {
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DPRINTF("could not allocate all pipes\n");
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goto detach;
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}
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/* clear stall at first run */
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mtx_lock(&sc->sc_mtx);
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usb2_transfer_set_stall(sc->sc_xfer[UBSA_BULK_DT_WR]);
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usb2_transfer_set_stall(sc->sc_xfer[UBSA_BULK_DT_RD]);
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mtx_unlock(&sc->sc_mtx);
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error = usb2_com_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
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&ubsa_callback, &sc->sc_mtx);
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if (error) {
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DPRINTF("usb2_com_attach failed\n");
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goto detach;
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}
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return (0);
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detach:
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ubsa_detach(dev);
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return (ENXIO);
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}
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static int
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ubsa_detach(device_t dev)
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{
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struct ubsa_softc *sc = device_get_softc(dev);
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DPRINTF("sc=%p\n", sc);
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usb2_com_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1);
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usb2_transfer_unsetup(sc->sc_xfer, UBSA_N_TRANSFER);
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mtx_destroy(&sc->sc_mtx);
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return (0);
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}
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static void
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ubsa_cfg_request(struct ubsa_softc *sc, uint8_t index, uint16_t value)
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{
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struct usb2_device_request req;
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usb2_error_t err;
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = index;
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USETW(req.wValue, value);
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req.wIndex[0] = sc->sc_iface_no;
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req.wIndex[1] = 0;
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USETW(req.wLength, 0);
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err = usb2_com_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
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&req, NULL, 0, 1000);
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if (err) {
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DPRINTFN(0, "device request failed, err=%s "
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"(ignored)\n", usb2_errstr(err));
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}
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}
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static void
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ubsa_cfg_set_dtr(struct usb2_com_softc *ucom, uint8_t onoff)
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{
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struct ubsa_softc *sc = ucom->sc_parent;
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DPRINTF("onoff = %d\n", onoff);
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ubsa_cfg_request(sc, UBSA_REG_DTR, onoff ? 1 : 0);
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}
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static void
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ubsa_cfg_set_rts(struct usb2_com_softc *ucom, uint8_t onoff)
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{
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struct ubsa_softc *sc = ucom->sc_parent;
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DPRINTF("onoff = %d\n", onoff);
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ubsa_cfg_request(sc, UBSA_REG_RTS, onoff ? 1 : 0);
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}
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static void
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ubsa_cfg_set_break(struct usb2_com_softc *ucom, uint8_t onoff)
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{
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struct ubsa_softc *sc = ucom->sc_parent;
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DPRINTF("onoff = %d\n", onoff);
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ubsa_cfg_request(sc, UBSA_REG_BREAK, onoff ? 1 : 0);
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}
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static int
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ubsa_pre_param(struct usb2_com_softc *ucom, struct termios *t)
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{
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struct ubsa_softc *sc = ucom->sc_parent;
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DPRINTF("sc = %p\n", sc);
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switch (t->c_ospeed) {
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case B0:
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case B300:
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case B600:
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case B1200:
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case B2400:
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case B4800:
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case B9600:
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case B19200:
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case B38400:
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case B57600:
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case B115200:
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case B230400:
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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static void
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ubsa_cfg_param(struct usb2_com_softc *ucom, struct termios *t)
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{
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struct ubsa_softc *sc = ucom->sc_parent;
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uint16_t value = 0;
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DPRINTF("sc = %p\n", sc);
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switch (t->c_ospeed) {
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case B0:
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ubsa_cfg_request(sc, UBSA_REG_FLOW_CTRL, 0);
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ubsa_cfg_set_dtr(&sc->sc_ucom, 0);
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ubsa_cfg_set_rts(&sc->sc_ucom, 0);
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break;
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case B300:
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case B600:
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case B1200:
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case B2400:
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case B4800:
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case B9600:
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case B19200:
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case B38400:
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case B57600:
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case B115200:
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case B230400:
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value = B230400 / t->c_ospeed;
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ubsa_cfg_request(sc, UBSA_REG_BAUDRATE, value);
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break;
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|
default:
|
|
return;
|
|
}
|
|
|
|
if (t->c_cflag & PARENB)
|
|
value = (t->c_cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN;
|
|
else
|
|
value = UBSA_PARITY_NONE;
|
|
|
|
ubsa_cfg_request(sc, UBSA_REG_PARITY, value);
|
|
|
|
switch (t->c_cflag & CSIZE) {
|
|
case CS5:
|
|
value = 0;
|
|
break;
|
|
case CS6:
|
|
value = 1;
|
|
break;
|
|
case CS7:
|
|
value = 2;
|
|
break;
|
|
default:
|
|
case CS8:
|
|
value = 3;
|
|
break;
|
|
}
|
|
|
|
ubsa_cfg_request(sc, UBSA_REG_DATA_BITS, value);
|
|
|
|
value = (t->c_cflag & CSTOPB) ? 1 : 0;
|
|
|
|
ubsa_cfg_request(sc, UBSA_REG_STOP_BITS, value);
|
|
|
|
value = 0;
|
|
if (t->c_cflag & CRTSCTS)
|
|
value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS;
|
|
|
|
if (t->c_iflag & (IXON | IXOFF))
|
|
value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON;
|
|
|
|
ubsa_cfg_request(sc, UBSA_REG_FLOW_CTRL, value);
|
|
}
|
|
|
|
static void
|
|
ubsa_start_read(struct usb2_com_softc *ucom)
|
|
{
|
|
struct ubsa_softc *sc = ucom->sc_parent;
|
|
|
|
/* start interrupt endpoint */
|
|
usb2_transfer_start(sc->sc_xfer[UBSA_INTR_DT_RD]);
|
|
|
|
/* start read endpoint */
|
|
usb2_transfer_start(sc->sc_xfer[UBSA_BULK_DT_RD]);
|
|
}
|
|
|
|
static void
|
|
ubsa_stop_read(struct usb2_com_softc *ucom)
|
|
{
|
|
struct ubsa_softc *sc = ucom->sc_parent;
|
|
|
|
/* stop interrupt endpoint */
|
|
usb2_transfer_stop(sc->sc_xfer[UBSA_INTR_DT_RD]);
|
|
|
|
/* stop read endpoint */
|
|
usb2_transfer_stop(sc->sc_xfer[UBSA_BULK_DT_RD]);
|
|
}
|
|
|
|
static void
|
|
ubsa_start_write(struct usb2_com_softc *ucom)
|
|
{
|
|
struct ubsa_softc *sc = ucom->sc_parent;
|
|
|
|
usb2_transfer_start(sc->sc_xfer[UBSA_BULK_DT_WR]);
|
|
}
|
|
|
|
static void
|
|
ubsa_stop_write(struct usb2_com_softc *ucom)
|
|
{
|
|
struct ubsa_softc *sc = ucom->sc_parent;
|
|
|
|
usb2_transfer_stop(sc->sc_xfer[UBSA_BULK_DT_WR]);
|
|
}
|
|
|
|
static void
|
|
ubsa_cfg_get_status(struct usb2_com_softc *ucom, uint8_t *lsr, uint8_t *msr)
|
|
{
|
|
struct ubsa_softc *sc = ucom->sc_parent;
|
|
|
|
DPRINTF("\n");
|
|
|
|
*lsr = sc->sc_lsr;
|
|
*msr = sc->sc_msr;
|
|
}
|
|
|
|
static void
|
|
ubsa_write_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct ubsa_softc *sc = xfer->priv_sc;
|
|
uint32_t actlen;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_SETUP:
|
|
case USB_ST_TRANSFERRED:
|
|
tr_setup:
|
|
if (usb2_com_get_data(&sc->sc_ucom, xfer->frbuffers, 0,
|
|
UBSA_BSIZE, &actlen)) {
|
|
|
|
xfer->frlengths[0] = actlen;
|
|
usb2_start_hardware(xfer);
|
|
}
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
xfer->flags.stall_pipe = 1;
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
ubsa_read_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct ubsa_softc *sc = xfer->priv_sc;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
usb2_com_put_data(&sc->sc_ucom, xfer->frbuffers, 0, xfer->actlen);
|
|
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
xfer->frlengths[0] = xfer->max_data_length;
|
|
usb2_start_hardware(xfer);
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
xfer->flags.stall_pipe = 1;
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
ubsa_intr_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct ubsa_softc *sc = xfer->priv_sc;
|
|
uint8_t buf[4];
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
if (xfer->actlen >= sizeof(buf)) {
|
|
|
|
usb2_copy_out(xfer->frbuffers, 0, buf, sizeof(buf));
|
|
|
|
/*
|
|
* incidentally, Belkin adapter status bits match
|
|
* UART 16550 bits
|
|
*/
|
|
sc->sc_lsr = buf[2];
|
|
sc->sc_msr = buf[3];
|
|
|
|
DPRINTF("lsr = 0x%02x, msr = 0x%02x\n",
|
|
sc->sc_lsr, sc->sc_msr);
|
|
|
|
usb2_com_status_change(&sc->sc_ucom);
|
|
} else {
|
|
DPRINTF("ignoring short packet, %d bytes\n",
|
|
xfer->actlen);
|
|
}
|
|
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
xfer->frlengths[0] = xfer->max_data_length;
|
|
usb2_start_hardware(xfer);
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
xfer->flags.stall_pipe = 1;
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
|
|
}
|
|
}
|