7bd250d818
Approved by: re@
1020 lines
27 KiB
C
1020 lines
27 KiB
C
/* $NetBSD: uplcom.c,v 1.21 2001/11/13 06:24:56 lukem Exp $ */
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/*-
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* Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.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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/*
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* This driver supports several USB-to-RS232 serial adapters driven by
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* Prolific PL-2303, PL-2303X and probably PL-2303HX USB-to-RS232
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* bridge chip. The adapters are sold under many different brand
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* names.
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*
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* Datasheets are available at Prolific www site at
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* http://www.prolific.com.tw. The datasheets don't contain full
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* programming information for the chip.
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*
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* PL-2303HX is probably programmed the same as PL-2303X.
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*
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* There are several differences between PL-2303 and PL-2303(H)X.
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* PL-2303(H)X can do higher bitrate in bulk mode, has _probably_
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* different command for controlling CRTSCTS and needs special
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* sequence of commands for initialization which aren't also
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* documented in the datasheet.
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*/
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#include "opt_uplcom.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <sys/ioccom.h>
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#include <sys/fcntl.h>
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#include <sys/conf.h>
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#include <sys/serial.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/selinfo.h>
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#include <sys/proc.h>
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#include <sys/poll.h>
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#include <sys/sysctl.h>
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#include <sys/uio.h>
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#include <sys/taskqueue.h>
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#include <machine/bus.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbcdc.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usbdi_util.h>
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#include "usbdevs.h"
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/ucomvar.h>
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SYSCTL_NODE(_hw_usb, OID_AUTO, uplcom, CTLFLAG_RW, 0, "USB uplcom");
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#ifdef USB_DEBUG
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static int uplcomdebug = 0;
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SYSCTL_INT(_hw_usb_uplcom, OID_AUTO, debug, CTLFLAG_RW,
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&uplcomdebug, 0, "uplcom debug level");
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#define DPRINTFN(n, x) do { \
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if (uplcomdebug > (n)) \
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printf x; \
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} while (0)
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#else
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#define DPRINTFN(n, x)
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#endif
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#define DPRINTF(x) DPRINTFN(0, x)
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#define UPLCOM_MODVER 1 /* module version */
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#define UPLCOM_CONFIG_INDEX 0
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#define UPLCOM_IFACE_INDEX 0
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#define UPLCOM_SECOND_IFACE_INDEX 1
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#ifndef UPLCOM_INTR_INTERVAL
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#define UPLCOM_INTR_INTERVAL 100 /* ms */
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#endif
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#define UPLCOM_SET_REQUEST 0x01
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#define UPLCOM_SET_CRTSCTS 0x41
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#define UPLCOM_SET_CRTSCTS_PL2303X 0x61
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#define RSAQ_STATUS_CTS 0x80
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#define RSAQ_STATUS_DSR 0x02
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#define RSAQ_STATUS_DCD 0x01
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#define TYPE_PL2303 0
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#define TYPE_PL2303X 1
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struct uplcom_softc {
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struct ucom_softc sc_ucom;
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int sc_iface_number; /* interface number */
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usbd_interface_handle sc_intr_iface; /* interrupt interface */
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int sc_intr_number; /* interrupt number */
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usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */
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u_char *sc_intr_buf; /* interrupt buffer */
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int sc_isize;
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usb_cdc_line_state_t sc_line_state; /* current line state */
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u_char sc_dtr; /* current DTR state */
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u_char sc_rts; /* current RTS state */
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u_char sc_status;
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u_char sc_lsr; /* Local status register */
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u_char sc_msr; /* uplcom status register */
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int sc_chiptype; /* Type of chip */
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struct task sc_task;
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};
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/*
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* These are the maximum number of bytes transferred per frame.
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* The output buffer size cannot be increased due to the size encoding.
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*/
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#define UPLCOMIBUFSIZE 256
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#define UPLCOMOBUFSIZE 256
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static usbd_status uplcom_reset(struct uplcom_softc *);
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static usbd_status uplcom_set_line_coding(struct uplcom_softc *,
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usb_cdc_line_state_t *);
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static usbd_status uplcom_set_crtscts(struct uplcom_softc *);
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static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
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static void uplcom_set(void *, int, int, int);
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static void uplcom_dtr(struct uplcom_softc *, int);
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static void uplcom_rts(struct uplcom_softc *, int);
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static void uplcom_break(struct uplcom_softc *, int);
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static void uplcom_set_line_state(struct uplcom_softc *);
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static void uplcom_get_status(void *, int, u_char *, u_char *);
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#if 0 /* TODO */
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static int uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
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#endif
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static int uplcom_param(void *, int, struct termios *);
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static int uplcom_open(void *, int);
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static void uplcom_close(void *, int);
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static void uplcom_notify(void *, int);
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struct ucom_callback uplcom_callback = {
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uplcom_get_status,
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uplcom_set,
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uplcom_param,
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NULL, /* uplcom_ioctl, TODO */
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uplcom_open,
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uplcom_close,
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NULL,
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NULL
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};
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static const struct uplcom_product {
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uint16_t vendor;
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uint16_t product;
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int32_t release; /* release is a 16bit entity,
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* if -1 is specified we "don't care"
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* This is a floor value. The table
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* must have newer revs before older
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* revs (and -1 last).
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*/
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char chiptype;
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} uplcom_products [] = {
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{ USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_USBCABLE, -1, TYPE_PL2303 },
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/* I/O DATA USB-RSAQ */
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{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ, -1, TYPE_PL2303 },
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/* Prolific Pharos */
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{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PHAROS, -1, TYPE_PL2303 },
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/* I/O DATA USB-RSAQ2 */
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{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2, -1, TYPE_PL2303 },
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/* I/O DATA USB-RSAQ3 */
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{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, -1, TYPE_PL2303X },
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/* Willcom W-SIM*/
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{ USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_WSIM, -1, TYPE_PL2303X},
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/* PLANEX USB-RS232 URS-03 */
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{ USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A, -1, TYPE_PL2303 },
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/* ST Lab USB-SERIAL-4 */
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{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303,
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0x300, TYPE_PL2303X },
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/* IOGEAR/ATEN UC-232A (also ST Lab USB-SERIAL-1) */
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{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, -1, TYPE_PL2303 },
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/* TDK USB-PHS Adapter UHA6400 */
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{ USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400, -1, TYPE_PL2303 },
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/* RATOC REX-USB60 */
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{ USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60, -1, TYPE_PL2303 },
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/* ELECOM UC-SGT */
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{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT, -1, TYPE_PL2303 },
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{ USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0, -1, TYPE_PL2303 },
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/* Sagem USB-Serial Controller */
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{ USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_USBSERIAL, -1, TYPE_PL2303X },
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/* Sony Ericsson USB Cable */
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{ USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10,
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-1,TYPE_PL2303 },
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/* SOURCENEXT KeikaiDenwa 8 */
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{ USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8,
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-1, TYPE_PL2303 },
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/* SOURCENEXT KeikaiDenwa 8 with charger */
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{ USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG,
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-1, TYPE_PL2303 },
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/* HAL Corporation Crossam2+USB */
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{ USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001, -1, TYPE_PL2303 },
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/* Sitecom USB to Serial */
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{ USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_SERIAL, -1, TYPE_PL2303 },
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/* Tripp-Lite U209-000-R */
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{ USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209, -1, TYPE_PL2303X },
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{ 0, 0 }
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};
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static device_probe_t uplcom_match;
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static device_attach_t uplcom_attach;
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static device_detach_t uplcom_detach;
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static device_method_t uplcom_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, uplcom_match),
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DEVMETHOD(device_attach, uplcom_attach),
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DEVMETHOD(device_detach, uplcom_detach),
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{ 0, 0 }
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};
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static driver_t uplcom_driver = {
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"ucom",
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uplcom_methods,
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sizeof (struct uplcom_softc)
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};
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DRIVER_MODULE(uplcom, uhub, uplcom_driver, ucom_devclass, usbd_driver_load, 0);
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MODULE_DEPEND(uplcom, usb, 1, 1, 1);
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MODULE_DEPEND(uplcom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
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MODULE_VERSION(uplcom, UPLCOM_MODVER);
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static int uplcominterval = UPLCOM_INTR_INTERVAL;
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static int
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sysctl_hw_usb_uplcom_interval(SYSCTL_HANDLER_ARGS)
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{
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int err, val;
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val = uplcominterval;
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err = sysctl_handle_int(oidp, &val, 0, req);
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if (err != 0 || req->newptr == NULL)
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return (err);
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if (0 < val && val <= 1000)
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uplcominterval = val;
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else
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err = EINVAL;
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return (err);
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}
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SYSCTL_PROC(_hw_usb_uplcom, OID_AUTO, interval, CTLTYPE_INT | CTLFLAG_RW,
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0, sizeof(int), sysctl_hw_usb_uplcom_interval,
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"I", "uplcom interrupt pipe interval");
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static int
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uplcom_match(device_t self)
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{
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struct usb_attach_arg *uaa = device_get_ivars(self);
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int i;
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if (uaa->iface != NULL)
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return (UMATCH_NONE);
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for (i = 0; uplcom_products[i].vendor != 0; i++) {
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if (uplcom_products[i].vendor == uaa->vendor &&
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uplcom_products[i].product == uaa->product &&
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(uplcom_products[i].release <= uaa->release ||
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uplcom_products[i].release == -1)) {
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return (UMATCH_VENDOR_PRODUCT);
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}
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}
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return (UMATCH_NONE);
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}
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static int
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uplcom_attach(device_t self)
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{
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struct uplcom_softc *sc = device_get_softc(self);
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struct usb_attach_arg *uaa = device_get_ivars(self);
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usbd_device_handle dev = uaa->device;
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struct ucom_softc *ucom;
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usb_config_descriptor_t *cdesc;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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const char *devname;
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usbd_status err;
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int i;
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ucom = &sc->sc_ucom;
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ucom->sc_dev = self;
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ucom->sc_udev = dev;
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ucom->sc_iface = uaa->iface;
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devname = device_get_nameunit(ucom->sc_dev);
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DPRINTF(("uplcom attach: sc = %p\n", sc));
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/* determine chip type */
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for (i = 0; uplcom_products[i].vendor != 0; i++) {
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if (uplcom_products[i].vendor == uaa->vendor &&
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uplcom_products[i].product == uaa->product &&
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(uplcom_products[i].release == uaa->release ||
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uplcom_products[i].release == -1)) {
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sc->sc_chiptype = uplcom_products[i].chiptype;
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break;
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}
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}
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/*
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* check we found the device - attach should have ensured we
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* don't get here without matching device
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*/
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if (uplcom_products[i].vendor == 0) {
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printf("%s: didn't match\n", devname);
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ucom->sc_dying = 1;
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goto error;
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}
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#ifdef USB_DEBUG
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/* print the chip type */
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if (sc->sc_chiptype == TYPE_PL2303X) {
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DPRINTF(("uplcom_attach: chiptype 2303X\n"));
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} else {
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DPRINTF(("uplcom_attach: chiptype 2303\n"));
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}
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#endif
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/* initialize endpoints */
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ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
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sc->sc_intr_number = -1;
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sc->sc_intr_pipe = NULL;
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|
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/* Move the device into the configured state. */
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err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1);
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if (err) {
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printf("%s: failed to set configuration: %s\n",
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devname, usbd_errstr(err));
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ucom->sc_dying = 1;
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goto error;
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}
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/* get the config descriptor */
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cdesc = usbd_get_config_descriptor(ucom->sc_udev);
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if (cdesc == NULL) {
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printf("%s: failed to get configuration descriptor\n",
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device_get_nameunit(ucom->sc_dev));
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ucom->sc_dying = 1;
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goto error;
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}
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/* get the (first/common) interface */
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err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX,
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&ucom->sc_iface);
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if (err) {
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printf("%s: failed to get interface: %s\n",
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devname, usbd_errstr(err));
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ucom->sc_dying = 1;
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goto error;
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}
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/* Find the interrupt endpoints */
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id = usbd_get_interface_descriptor(ucom->sc_iface);
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sc->sc_iface_number = id->bInterfaceNumber;
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
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if (ed == NULL) {
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printf("%s: no endpoint descriptor for %d\n",
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device_get_nameunit(ucom->sc_dev), i);
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ucom->sc_dying = 1;
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goto error;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
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sc->sc_intr_number = ed->bEndpointAddress;
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sc->sc_isize = UGETW(ed->wMaxPacketSize);
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}
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}
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if (sc->sc_intr_number == -1) {
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printf("%s: Could not find interrupt in\n",
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device_get_nameunit(ucom->sc_dev));
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ucom->sc_dying = 1;
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|
goto error;
|
|
}
|
|
|
|
/* keep interface for interrupt */
|
|
sc->sc_intr_iface = ucom->sc_iface;
|
|
|
|
/*
|
|
* USB-RSAQ1 has two interface
|
|
*
|
|
* USB-RSAQ1 | USB-RSAQ2
|
|
* -----------------+-----------------
|
|
* Interface 0 |Interface 0
|
|
* Interrupt(0x81) | Interrupt(0x81)
|
|
* -----------------+ BulkIN(0x02)
|
|
* Interface 1 | BulkOUT(0x83)
|
|
* BulkIN(0x02) |
|
|
* BulkOUT(0x83) |
|
|
*/
|
|
if (cdesc->bNumInterface == 2) {
|
|
err = usbd_device2interface_handle(dev,
|
|
UPLCOM_SECOND_IFACE_INDEX,
|
|
&ucom->sc_iface);
|
|
if (err) {
|
|
printf("%s: failed to get second interface: %s\n",
|
|
devname, usbd_errstr(err));
|
|
ucom->sc_dying = 1;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
/* Find the bulk{in,out} endpoints */
|
|
|
|
id = usbd_get_interface_descriptor(ucom->sc_iface);
|
|
sc->sc_iface_number = id->bInterfaceNumber;
|
|
|
|
for (i = 0; i < id->bNumEndpoints; i++) {
|
|
ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
|
|
if (ed == NULL) {
|
|
printf("%s: no endpoint descriptor for %d\n",
|
|
device_get_nameunit(ucom->sc_dev), i);
|
|
ucom->sc_dying = 1;
|
|
goto error;
|
|
}
|
|
|
|
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
|
|
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
|
ucom->sc_bulkin_no = ed->bEndpointAddress;
|
|
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
|
|
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
|
ucom->sc_bulkout_no = ed->bEndpointAddress;
|
|
}
|
|
}
|
|
|
|
if (ucom->sc_bulkin_no == -1) {
|
|
printf("%s: Could not find data bulk in\n",
|
|
device_get_nameunit(ucom->sc_dev));
|
|
ucom->sc_dying = 1;
|
|
goto error;
|
|
}
|
|
|
|
if (ucom->sc_bulkout_no == -1) {
|
|
printf("%s: Could not find data bulk out\n",
|
|
device_get_nameunit(ucom->sc_dev));
|
|
ucom->sc_dying = 1;
|
|
goto error;
|
|
}
|
|
|
|
sc->sc_dtr = sc->sc_rts = -1;
|
|
ucom->sc_parent = sc;
|
|
ucom->sc_portno = UCOM_UNK_PORTNO;
|
|
/* bulkin, bulkout set above */
|
|
ucom->sc_ibufsize = UPLCOMIBUFSIZE;
|
|
ucom->sc_obufsize = UPLCOMOBUFSIZE;
|
|
ucom->sc_ibufsizepad = UPLCOMIBUFSIZE;
|
|
ucom->sc_opkthdrlen = 0;
|
|
ucom->sc_callback = &uplcom_callback;
|
|
|
|
err = uplcom_reset(sc);
|
|
|
|
if (err) {
|
|
printf("%s: reset failed: %s\n",
|
|
device_get_nameunit(ucom->sc_dev), usbd_errstr(err));
|
|
ucom->sc_dying = 1;
|
|
goto error;
|
|
}
|
|
|
|
DPRINTF(("uplcom: in = 0x%x, out = 0x%x, intr = 0x%x\n",
|
|
ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
|
|
|
|
TASK_INIT(&sc->sc_task, 0, uplcom_notify, sc);
|
|
ucom_attach(&sc->sc_ucom);
|
|
return 0;
|
|
|
|
error:
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
uplcom_detach(device_t self)
|
|
{
|
|
struct uplcom_softc *sc = device_get_softc(self);
|
|
int rv = 0;
|
|
|
|
DPRINTF(("uplcom_detach: sc = %p\n", sc));
|
|
|
|
if (sc->sc_intr_pipe != NULL) {
|
|
usbd_abort_pipe(sc->sc_intr_pipe);
|
|
usbd_close_pipe(sc->sc_intr_pipe);
|
|
free(sc->sc_intr_buf, M_USBDEV);
|
|
sc->sc_intr_pipe = NULL;
|
|
}
|
|
|
|
sc->sc_ucom.sc_dying = 1;
|
|
|
|
rv = ucom_detach(&sc->sc_ucom);
|
|
|
|
return (rv);
|
|
}
|
|
|
|
static usbd_status
|
|
uplcom_reset(struct uplcom_softc *sc)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UPLCOM_SET_REQUEST;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, sc->sc_iface_number);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
|
|
if (err) {
|
|
printf("%s: uplcom_reset: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err));
|
|
return (EIO);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
struct pl2303x_init {
|
|
uint8_t req_type;
|
|
uint8_t request;
|
|
uint16_t value;
|
|
uint16_t index;
|
|
uint16_t length;
|
|
};
|
|
|
|
static const struct pl2303x_init pl2303x[] = {
|
|
{ UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 },
|
|
{ UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 },
|
|
{ UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 },
|
|
{ UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 },
|
|
{ UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 },
|
|
{ UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 },
|
|
{ UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 },
|
|
{ UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 },
|
|
{ UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 },
|
|
{ UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 },
|
|
{ UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 }
|
|
};
|
|
#define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0]))
|
|
|
|
static usbd_status
|
|
uplcom_pl2303x_init(struct uplcom_softc *sc)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
int i;
|
|
|
|
for (i = 0; i < N_PL2302X_INIT; i++) {
|
|
req.bmRequestType = pl2303x[i].req_type;
|
|
req.bRequest = pl2303x[i].request;
|
|
USETW(req.wValue, pl2303x[i].value);
|
|
USETW(req.wIndex, pl2303x[i].index);
|
|
USETW(req.wLength, pl2303x[i].length);
|
|
|
|
err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
|
|
if (err) {
|
|
printf("%s: uplcom_pl2303x_init: %d: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), i,
|
|
usbd_errstr(err));
|
|
return (EIO);
|
|
}
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
uplcom_set_line_state(struct uplcom_softc *sc)
|
|
{
|
|
usb_device_request_t req;
|
|
int ls;
|
|
usbd_status err;
|
|
|
|
ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
|
|
(sc->sc_rts ? UCDC_LINE_RTS : 0);
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
|
|
USETW(req.wValue, ls);
|
|
USETW(req.wIndex, sc->sc_iface_number);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
|
|
if (err)
|
|
printf("%s: uplcom_set_line_status: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err));
|
|
}
|
|
|
|
static void
|
|
uplcom_set(void *addr, int portno, int reg, int onoff)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
|
|
switch (reg) {
|
|
case UCOM_SET_DTR:
|
|
uplcom_dtr(sc, onoff);
|
|
break;
|
|
case UCOM_SET_RTS:
|
|
uplcom_rts(sc, onoff);
|
|
break;
|
|
case UCOM_SET_BREAK:
|
|
uplcom_break(sc, onoff);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
uplcom_dtr(struct uplcom_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("uplcom_dtr: onoff = %d\n", onoff));
|
|
|
|
if (sc->sc_dtr == onoff)
|
|
return;
|
|
sc->sc_dtr = onoff;
|
|
|
|
uplcom_set_line_state(sc);
|
|
}
|
|
|
|
static void
|
|
uplcom_rts(struct uplcom_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("uplcom_rts: onoff = %d\n", onoff));
|
|
|
|
if (sc->sc_rts == onoff)
|
|
return;
|
|
sc->sc_rts = onoff;
|
|
|
|
uplcom_set_line_state(sc);
|
|
}
|
|
|
|
static void
|
|
uplcom_break(struct uplcom_softc *sc, int onoff)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
DPRINTF(("uplcom_break: onoff = %d\n", onoff));
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SEND_BREAK;
|
|
USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
|
|
USETW(req.wIndex, sc->sc_iface_number);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
|
|
if (err)
|
|
printf("%s: uplcom_break: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err));
|
|
}
|
|
|
|
static usbd_status
|
|
uplcom_set_crtscts(struct uplcom_softc *sc)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
DPRINTF(("uplcom_set_crtscts: on\n"));
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UPLCOM_SET_REQUEST;
|
|
USETW(req.wValue, 0);
|
|
if (sc->sc_chiptype == TYPE_PL2303X)
|
|
USETW(req.wIndex, UPLCOM_SET_CRTSCTS_PL2303X);
|
|
else
|
|
USETW(req.wIndex, UPLCOM_SET_CRTSCTS);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
|
|
if (err) {
|
|
printf("%s: uplcom_set_crtscts: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err));
|
|
return (err);
|
|
}
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
static usbd_status
|
|
uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
DPRINTF((
|
|
"uplcom_set_line_coding: rate = %d, fmt = %d, parity = %d bits = %d\n",
|
|
UGETDW(state->dwDTERate), state->bCharFormat,
|
|
state->bParityType, state->bDataBits));
|
|
|
|
if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
|
|
DPRINTF(("uplcom_set_line_coding: already set\n"));
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SET_LINE_CODING;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, sc->sc_iface_number);
|
|
USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
|
|
|
|
err = usbd_do_request(sc->sc_ucom.sc_udev, &req, state);
|
|
if (err) {
|
|
printf("%s: uplcom_set_line_coding: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err));
|
|
return (err);
|
|
}
|
|
|
|
sc->sc_line_state = *state;
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
static const int uplcom_rates[] = {
|
|
75, 150, 300, 600, 1200, 1800, 2400, 3600, 4800, 7200, 9600, 14400,
|
|
19200, 28800, 38400, 57600, 115200,
|
|
/*
|
|
* Higher speeds are probably possible. PL2303X supports up to
|
|
* 6Mb and can set any rate
|
|
*/
|
|
230400, 460800, 614400, 921600, 1228800
|
|
};
|
|
#define N_UPLCOM_RATES (sizeof(uplcom_rates)/sizeof(uplcom_rates[0]))
|
|
|
|
static int
|
|
uplcom_param(void *addr, int portno, struct termios *t)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
usbd_status err;
|
|
usb_cdc_line_state_t ls;
|
|
int i;
|
|
|
|
DPRINTF(("uplcom_param: sc = %p\n", sc));
|
|
|
|
/* Check requested baud rate */
|
|
for (i = 0; i < N_UPLCOM_RATES; i++)
|
|
if (uplcom_rates[i] == t->c_ospeed)
|
|
break;
|
|
if (i == N_UPLCOM_RATES) {
|
|
DPRINTF(("uplcom_param: bad baud rate (%d)\n", t->c_ospeed));
|
|
return (EIO);
|
|
}
|
|
|
|
USETDW(ls.dwDTERate, t->c_ospeed);
|
|
if (ISSET(t->c_cflag, CSTOPB))
|
|
ls.bCharFormat = UCDC_STOP_BIT_2;
|
|
else
|
|
ls.bCharFormat = UCDC_STOP_BIT_1;
|
|
if (ISSET(t->c_cflag, PARENB)) {
|
|
if (ISSET(t->c_cflag, PARODD))
|
|
ls.bParityType = UCDC_PARITY_ODD;
|
|
else
|
|
ls.bParityType = UCDC_PARITY_EVEN;
|
|
} else
|
|
ls.bParityType = UCDC_PARITY_NONE;
|
|
switch (ISSET(t->c_cflag, CSIZE)) {
|
|
case CS5:
|
|
ls.bDataBits = 5;
|
|
break;
|
|
case CS6:
|
|
ls.bDataBits = 6;
|
|
break;
|
|
case CS7:
|
|
ls.bDataBits = 7;
|
|
break;
|
|
case CS8:
|
|
ls.bDataBits = 8;
|
|
break;
|
|
}
|
|
|
|
err = uplcom_set_line_coding(sc, &ls);
|
|
if (err)
|
|
return (EIO);
|
|
|
|
if (ISSET(t->c_cflag, CRTSCTS)) {
|
|
err = uplcom_set_crtscts(sc);
|
|
if (err)
|
|
return (EIO);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
uplcom_open(void *addr, int portno)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
int err;
|
|
|
|
if (sc->sc_ucom.sc_dying)
|
|
return (ENXIO);
|
|
|
|
DPRINTF(("uplcom_open: sc = %p\n", sc));
|
|
|
|
if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
|
|
sc->sc_status = 0; /* clear status bit */
|
|
sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
|
|
err = usbd_open_pipe_intr(sc->sc_intr_iface,
|
|
sc->sc_intr_number,
|
|
USBD_SHORT_XFER_OK,
|
|
&sc->sc_intr_pipe,
|
|
sc,
|
|
sc->sc_intr_buf,
|
|
sc->sc_isize,
|
|
uplcom_intr,
|
|
uplcominterval);
|
|
if (err) {
|
|
printf("%s: cannot open interrupt pipe (addr %d)\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev),
|
|
sc->sc_intr_number);
|
|
return (EIO);
|
|
}
|
|
}
|
|
|
|
if (sc->sc_chiptype == TYPE_PL2303X)
|
|
return (uplcom_pl2303x_init(sc));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
uplcom_close(void *addr, int portno)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
int err;
|
|
|
|
if (sc->sc_ucom.sc_dying)
|
|
return;
|
|
|
|
DPRINTF(("uplcom_close: close\n"));
|
|
|
|
if (sc->sc_intr_pipe != NULL) {
|
|
err = usbd_abort_pipe(sc->sc_intr_pipe);
|
|
if (err)
|
|
printf("%s: abort interrupt pipe failed: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev),
|
|
usbd_errstr(err));
|
|
err = usbd_close_pipe(sc->sc_intr_pipe);
|
|
if (err)
|
|
printf("%s: close interrupt pipe failed: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev),
|
|
usbd_errstr(err));
|
|
free(sc->sc_intr_buf, M_USBDEV);
|
|
sc->sc_intr_pipe = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
|
|
{
|
|
struct uplcom_softc *sc = priv;
|
|
u_char *buf = sc->sc_intr_buf;
|
|
u_char pstatus;
|
|
|
|
if (sc->sc_ucom.sc_dying)
|
|
return;
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
|
|
return;
|
|
|
|
DPRINTF(("%s: uplcom_intr: abnormal status: %s\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev),
|
|
usbd_errstr(status)));
|
|
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
|
|
return;
|
|
}
|
|
|
|
DPRINTF(("%s: uplcom status = %02x\n",
|
|
device_get_nameunit(sc->sc_ucom.sc_dev), buf[8]));
|
|
|
|
sc->sc_lsr = sc->sc_msr = 0;
|
|
pstatus = buf[8];
|
|
if (ISSET(pstatus, RSAQ_STATUS_CTS))
|
|
sc->sc_msr |= SER_CTS;
|
|
else
|
|
sc->sc_msr &= ~SER_CTS;
|
|
if (ISSET(pstatus, RSAQ_STATUS_DSR))
|
|
sc->sc_msr |= SER_DSR;
|
|
else
|
|
sc->sc_msr &= ~SER_DSR;
|
|
if (ISSET(pstatus, RSAQ_STATUS_DCD))
|
|
sc->sc_msr |= SER_DCD;
|
|
else
|
|
sc->sc_msr &= ~SER_DCD;
|
|
|
|
/* Deferred notifying to the ucom layer */
|
|
taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task);
|
|
}
|
|
|
|
static void
|
|
uplcom_notify(void *arg, int count)
|
|
{
|
|
struct uplcom_softc *sc;
|
|
|
|
sc = (struct uplcom_softc *)arg;
|
|
if (sc->sc_ucom.sc_dying)
|
|
return;
|
|
ucom_status_change(&sc->sc_ucom);
|
|
}
|
|
|
|
static void
|
|
uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
|
|
DPRINTF(("uplcom_get_status:\n"));
|
|
|
|
if (lsr != NULL)
|
|
*lsr = sc->sc_lsr;
|
|
if (msr != NULL)
|
|
*msr = sc->sc_msr;
|
|
}
|
|
|
|
#if 0 /* TODO */
|
|
static int
|
|
uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
|
|
struct thread *p)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
int error = 0;
|
|
|
|
if (sc->sc_ucom.sc_dying)
|
|
return (EIO);
|
|
|
|
DPRINTF(("uplcom_ioctl: cmd = 0x%08lx\n", cmd));
|
|
|
|
switch (cmd) {
|
|
case TIOCNOTTY:
|
|
case TIOCMGET:
|
|
case TIOCMSET:
|
|
case USB_GET_CM_OVER_DATA:
|
|
case USB_SET_CM_OVER_DATA:
|
|
break;
|
|
|
|
default:
|
|
DPRINTF(("uplcom_ioctl: unknown\n"));
|
|
error = ENOTTY;
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
#endif
|