544 lines
13 KiB
C
544 lines
13 KiB
C
/* $NetBSD: uplcom.c,v 1.11 2001/01/30 13:17:43 ichiro Exp $ */
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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 FUKUHARA ichiro (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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* Simple datasheet
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* http://www.prolific.com.tw/download/DataSheet/pl2303_ds11.PDF
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* http://www.nisseisg.co.jp/jyouhou/_cp/@gif/2303.pdf
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* (english)
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*
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*/
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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/ioctl.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <sys/vnode.h>
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#include <sys/device.h>
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#include <sys/poll.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/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/ucomvar.h>
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#ifdef UPLCOM_DEBUG
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#define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x
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int uplcomdebug = 0xff;
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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_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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#define UPLCOM_RESET 0
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struct uplcom_softc {
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USBBASEDEVICE sc_dev; /* base device */
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usbd_device_handle sc_udev; /* USB device */
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usbd_interface_handle sc_iface; /* first interface */
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usbd_interface_handle sc_sec_iface; /* second interface */
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int sc_iface_number; /* interface number */
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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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device_ptr_t sc_subdev;
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u_char sc_dying;
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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 *sc,
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usb_cdc_line_state_t *state);
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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 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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struct ucom_methods uplcom_methods = {
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NULL,
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uplcom_set,
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uplcom_param,
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NULL,
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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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} uplcom_products [] = {
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/* I/O DATA USB-RSAQ2 */
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{ USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 },
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{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ },
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{ 0, 0 }
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};
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USB_DECLARE_DRIVER(uplcom);
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USB_MATCH(uplcom)
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{
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USB_MATCH_START(uplcom, uaa);
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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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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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USB_ATTACH(uplcom)
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{
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USB_ATTACH_START(uplcom, sc, uaa);
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usbd_device_handle dev = uaa->device;
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usbd_interface_handle iface;
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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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char devinfo[1024];
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char *devname = USBDEVNAME(sc->sc_dev);
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usbd_status err;
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int i;
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struct ucom_attach_args uca;
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usbd_devinfo(dev, 0, devinfo);
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USB_ATTACH_SETUP;
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printf("%s: %s\n", devname, devinfo);
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sc->sc_udev = dev;
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DPRINTF(("\n\nuplcom attach: sc=%p\n", sc));
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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("\n%s: failed to set configuration, err=%s\n",
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devname, usbd_errstr(err));
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USB_ATTACH_ERROR_RETURN;
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}
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/* get the config descriptor */
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cdesc = usbd_get_config_descriptor(sc->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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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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/* get the (first) interface */
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err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX,
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&sc->sc_iface);
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if (err) {
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printf("\n%s: failed to get interface, err=%s\n",
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devname, usbd_errstr(err));
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USB_ATTACH_ERROR_RETURN;
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}
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/*
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* check second of interface
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* USB-RSAQ has two interface
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*/
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if (cdesc->bNumInterface == 2) {
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err = usbd_device2interface_handle(dev,
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UPLCOM_SECOND_IFACE_INDEX, &sc->sc_sec_iface);
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if (err) {
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printf("\n%s: failed to get second interface, err=%s\n",
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devname, usbd_errstr(err));
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USB_ATTACH_ERROR_RETURN;
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}
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iface = sc->sc_sec_iface;
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} else
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iface = sc->sc_iface;
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/* Find the bulk endpoints */
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id = usbd_get_interface_descriptor(iface);
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sc->sc_iface_number = id->bInterfaceNumber;
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uca.bulkin = uca.bulkout = -1;
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(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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USBDEVNAME(sc->sc_dev), i);
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USB_ATTACH_ERROR_RETURN;
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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_BULK) {
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uca.bulkin = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
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DPRINTF(("interrupt endpoint addr = 0x%x\n",
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ed->bEndpointAddress));
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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uca.bulkout = ed->bEndpointAddress;
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}
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}
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if (uca.bulkin == -1) {
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printf("%s: Could not find data bulk in\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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if (uca.bulkout == -1) {
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printf("%s: Could not find data bulk out\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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sc->sc_dtr = -1;
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uca.portno = UCOM_UNK_PORTNO;
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/* bulkin, bulkout set above */
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uca.ibufsize = UPLCOMIBUFSIZE;
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uca.obufsize = UPLCOMOBUFSIZE;
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uca.ibufsizepad = UPLCOMIBUFSIZE;
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uca.opkthdrlen = 0;
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uca.device = dev;
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uca.iface = iface;
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uca.methods = &uplcom_methods;
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uca.arg = sc;
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uca.info = NULL;
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err = uplcom_reset(sc);
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if (err) {
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printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
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usbd_errstr(err));
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USB_ATTACH_ERROR_RETURN;
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}
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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DPRINTF(("uplcom: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout));
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sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
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USB_ATTACH_SUCCESS_RETURN;
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}
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USB_DETACH(uplcom)
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{
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USB_DETACH_START(uplcom, sc);
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int rv = 0;
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DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags));
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sc->sc_dying = 1;
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if (sc->sc_subdev != NULL) {
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rv = config_detach(sc->sc_subdev, flags);
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sc->sc_subdev = NULL;
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}
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usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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return (rv);
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}
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int
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uplcom_activate(device_ptr_t self, enum devact act)
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{
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struct uplcom_softc *sc = (struct uplcom_softc *)self;
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int rv = 0;
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switch (act) {
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case DVACT_ACTIVATE:
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return (EOPNOTSUPP);
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break;
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case DVACT_DEACTIVATE:
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if (sc->sc_subdev != NULL)
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rv = config_deactivate(sc->sc_subdev);
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sc->sc_dying = 1;
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break;
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}
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return (rv);
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}
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usbd_status
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uplcom_reset(struct uplcom_softc *sc)
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{
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usb_device_request_t req;
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usbd_status err;
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UPLCOM_RESET;
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USETW(req.wValue, UPLCOM_RESET);
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USETW(req.wIndex, sc->sc_iface_number);
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USETW(req.wLength, 0);
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err = usbd_do_request(sc->sc_udev, &req, 0);
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if (err)
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return (EIO);
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return (0);
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}
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void
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uplcom_set_line_state(struct uplcom_softc *sc)
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{
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usb_device_request_t req;
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int ls;
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ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
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(sc->sc_rts ? UCDC_LINE_RTS : 0);
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
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USETW(req.wValue, ls);
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USETW(req.wIndex, sc->sc_iface_number);
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USETW(req.wLength, 0);
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(void)usbd_do_request(sc->sc_udev, &req, 0);
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}
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void
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uplcom_set(void *addr, int portno, int reg, int onoff)
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{
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struct uplcom_softc *sc = addr;
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switch (reg) {
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case UCOM_SET_DTR:
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uplcom_dtr(sc, onoff);
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break;
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case UCOM_SET_RTS:
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uplcom_rts(sc, onoff);
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break;
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case UCOM_SET_BREAK:
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uplcom_break(sc, onoff);
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break;
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default:
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break;
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}
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}
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void
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uplcom_dtr(struct uplcom_softc *sc, int onoff)
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{
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DPRINTF(("uplcom_dtr: onoff=%d\n", onoff));
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if (sc->sc_dtr == onoff)
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return;
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sc->sc_dtr = onoff;
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uplcom_set_line_state(sc);
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}
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void
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uplcom_rts(struct uplcom_softc *sc, int onoff)
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{
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DPRINTF(("uplcom_rts: onoff=%d\n", onoff));
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if (sc->sc_rts == onoff)
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return;
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sc->sc_rts = onoff;
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uplcom_set_line_state(sc);
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}
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void
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uplcom_break(struct uplcom_softc *sc, int onoff)
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{
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usb_device_request_t req;
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DPRINTF(("uplcom_break: onoff=%d\n", onoff));
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UCDC_SEND_BREAK;
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USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
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USETW(req.wIndex, sc->sc_iface_number);
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USETW(req.wLength, 0);
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(void)usbd_do_request(sc->sc_udev, &req, 0);
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}
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usbd_status
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uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state)
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{
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usb_device_request_t req;
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usbd_status err;
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DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
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UGETDW(state->dwDTERate), state->bCharFormat,
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state->bParityType, state->bDataBits));
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if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
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DPRINTF(("uplcom_set_line_coding: already set\n"));
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return (USBD_NORMAL_COMPLETION);
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}
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UCDC_SET_LINE_CODING;
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USETW(req.wValue, 0);
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USETW(req.wIndex, sc->sc_iface_number);
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USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
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err = usbd_do_request(sc->sc_udev, &req, state);
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if (err) {
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DPRINTF(("uplcom_set_line_coding: failed, err=%s\n",
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usbd_errstr(err)));
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return (err);
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}
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sc->sc_line_state = *state;
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return (USBD_NORMAL_COMPLETION);
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}
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int
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uplcom_param(void *addr, int portno, struct termios *t)
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{
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struct uplcom_softc *sc = addr;
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usbd_status err;
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usb_cdc_line_state_t ls;
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DPRINTF(("uplcom_param: sc=%p\n", sc));
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USETDW(ls.dwDTERate, t->c_ospeed);
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if (ISSET(t->c_cflag, CSTOPB))
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ls.bCharFormat = UCDC_STOP_BIT_2;
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else
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ls.bCharFormat = UCDC_STOP_BIT_1;
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if (ISSET(t->c_cflag, PARENB)) {
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if (ISSET(t->c_cflag, PARODD))
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ls.bParityType = UCDC_PARITY_ODD;
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else
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ls.bParityType = UCDC_PARITY_EVEN;
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} else
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ls.bParityType = UCDC_PARITY_NONE;
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switch (ISSET(t->c_cflag, CSIZE)) {
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case CS5:
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ls.bDataBits = 5;
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break;
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case CS6:
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ls.bDataBits = 6;
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break;
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case CS7:
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ls.bDataBits = 7;
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break;
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case CS8:
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ls.bDataBits = 8;
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break;
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}
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err = uplcom_set_line_coding(sc, &ls);
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if (err) {
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DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
|
|
return (EIO);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
uplcom_open(void *addr, int portno)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
usbd_status err;
|
|
|
|
if (sc->sc_dying)
|
|
return (EIO);
|
|
|
|
err = uplcom_reset(sc);
|
|
if (err) {
|
|
printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
|
|
usbd_errstr(err));
|
|
}
|
|
|
|
DPRINTF(("uplcom_open: open\n"));
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
uplcom_close(void *addr, int portno)
|
|
{
|
|
struct uplcom_softc *sc = addr;
|
|
usbd_status err;
|
|
|
|
if (sc->sc_dying)
|
|
return;
|
|
|
|
err = uplcom_reset(sc);
|
|
if (err) {
|
|
printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
|
|
usbd_errstr(err));
|
|
}
|
|
|
|
DPRINTF(("uplcom_close: close\n"));
|
|
}
|