404 lines
10 KiB
C
404 lines
10 KiB
C
/* $NetBSD: uipaq.c,v 1.19 2012/12/27 16:42:32 skrll Exp $ */
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/* $OpenBSD: uipaq.c,v 1.1 2005/06/17 23:50:33 deraadt Exp $ */
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/*
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* Copyright (c) 2000-2005 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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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 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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* iPAQ driver
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*
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* 19 July 2003: Incorporated changes suggested by Sam Lawrance from
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* the uppc module
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*
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*
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* Contact isis@cs.umd.edu if you have any questions/comments about this driver
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: uipaq.c,v 1.19 2012/12/27 16:42:32 skrll Exp $");
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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/device.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbcdc.h> /*UCDC_* stuff */
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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/ucomvar.h>
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#ifdef UIPAQ_DEBUG
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#define DPRINTF(x) if (uipaqdebug) printf x
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#define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x
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int uipaqdebug = 0;
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#endif
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#define UIPAQ_CONFIG_NO 1
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#define UIPAQ_IFACE_INDEX 0
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#define UIPAQIBUFSIZE 1024
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#define UIPAQOBUFSIZE 1024
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struct uipaq_softc {
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device_t sc_dev; /* base device */
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usbd_device_handle sc_udev; /* device */
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usbd_interface_handle sc_iface; /* interface */
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device_t sc_subdev; /* ucom uses that */
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u_int16_t sc_lcr; /* state for DTR/RTS */
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u_int16_t sc_flags;
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u_char sc_dying;
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};
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/* Callback routines */
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Static void uipaq_set(void *, int, int, int);
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/* Support routines. */
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/* based on uppc module by Sam Lawrance */
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Static void uipaq_dtr(struct uipaq_softc *sc, int onoff);
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Static void uipaq_rts(struct uipaq_softc *sc, int onoff);
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Static void uipaq_break(struct uipaq_softc* sc, int onoff);
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struct ucom_methods uipaq_methods = {
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NULL,
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uipaq_set,
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NULL,
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NULL,
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NULL, /*open*/
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NULL, /*close*/
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NULL,
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NULL
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};
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struct uipaq_type {
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struct usb_devno uv_dev;
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u_int16_t uv_flags;
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};
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static const struct uipaq_type uipaq_devs[] = {
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{{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 },
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{{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0},
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{{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0},
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{{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0},
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{{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS007SH} , 0},
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{{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS011SH} , 0}
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};
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#define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p))
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int uipaq_match(device_t, cfdata_t, void *);
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void uipaq_attach(device_t, device_t, void *);
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void uipaq_childdet(device_t, device_t);
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int uipaq_detach(device_t, int);
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int uipaq_activate(device_t, enum devact);
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extern struct cfdriver uipaq_cd;
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CFATTACH_DECL2_NEW(uipaq, sizeof(struct uipaq_softc), uipaq_match,
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uipaq_attach, uipaq_detach, uipaq_activate, NULL, uipaq_childdet);
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int
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uipaq_match(device_t parent, cfdata_t match, void *aux)
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{
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struct usb_attach_arg *uaa = aux;
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DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n",
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uaa->vendor, uaa->product));
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return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ?
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UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
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}
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void
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uipaq_attach(device_t parent, device_t self, void *aux)
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{
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struct uipaq_softc *sc = device_private(self);
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struct usb_attach_arg *uaa = aux;
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usbd_device_handle dev = uaa->device;
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usbd_interface_handle iface;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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char *devinfop;
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const char *devname = device_xname(self);
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int i;
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usbd_status err;
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struct ucom_attach_args uca;
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DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc));
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sc->sc_dev = self;
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aprint_naive("\n");
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aprint_normal("\n");
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devinfop = usbd_devinfo_alloc(dev, 0);
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aprint_normal_dev(self, "%s\n", devinfop);
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usbd_devinfo_free(devinfop);
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/* Move the device into the configured state. */
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err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1);
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if (err) {
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aprint_error_dev(self, "failed to set configuration"
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", err=%s\n", usbd_errstr(err));
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goto bad;
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}
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err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface);
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if (err) {
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aprint_error("\n%s: failed to get interface, err=%s\n",
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devname, usbd_errstr(err));
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goto bad;
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}
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sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags;
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id = usbd_get_interface_descriptor(iface);
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sc->sc_udev = dev;
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sc->sc_iface = iface;
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uca.ibufsize = UIPAQIBUFSIZE;
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uca.obufsize = UIPAQOBUFSIZE;
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uca.ibufsizepad = UIPAQIBUFSIZE;
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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 = &uipaq_methods;
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uca.arg = sc;
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uca.portno = UCOM_UNK_PORTNO;
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uca.info = "Generic";
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/* err = uipaq_init(sc);
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if (err) {
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printf("%s: init failed, %s\n", device_xname(sc->sc_dev),
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usbd_errstr(err));
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goto bad;
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}*/
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
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sc->sc_dev);
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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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aprint_error_dev(self,
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"no endpoint descriptor for %d\n", i);
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goto bad;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
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uca.bulkin = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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(ed->bmAttributes & UE_XFERTYPE) == 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 || uca.bulkout == -1) {
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aprint_error_dev(self, "no proper endpoints found (%d,%d) \n",
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uca.bulkin, uca.bulkout);
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return;
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}
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sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
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ucomprint, ucomsubmatch);
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return;
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bad:
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DPRINTF(("uipaq_attach: ATTACH ERROR\n"));
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sc->sc_dying = 1;
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return;
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}
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void
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uipaq_dtr(struct uipaq_softc* sc, int onoff)
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{
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usb_device_request_t req;
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usbd_status err;
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int retries = 3;
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DPRINTF(("%s: uipaq_dtr: onoff=%x\n", device_xname(sc->sc_dev), onoff));
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/* Avoid sending unnecessary requests */
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if (onoff && (sc->sc_lcr & UCDC_LINE_DTR))
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return;
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if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR))
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return;
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/* Other parameters depend on reg */
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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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sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR;
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USETW(req.wValue, sc->sc_lcr);
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USETW(req.wIndex, 0x0);
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USETW(req.wLength, 0);
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/* Fire off the request a few times if necessary */
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while (retries) {
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err = usbd_do_request(sc->sc_udev, &req, NULL);
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if (!err)
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break;
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retries--;
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}
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}
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void
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uipaq_rts(struct uipaq_softc* sc, int onoff)
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{
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usb_device_request_t req;
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usbd_status err;
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int retries = 3;
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DPRINTF(("%s: uipaq_rts: onoff=%x\n", device_xname(sc->sc_dev), onoff));
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/* Avoid sending unnecessary requests */
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if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return;
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if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return;
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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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sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS;
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USETW(req.wValue, sc->sc_lcr);
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USETW(req.wIndex, 0x0);
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USETW(req.wLength, 0);
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while (retries) {
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err = usbd_do_request(sc->sc_udev, &req, NULL);
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if (!err)
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break;
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retries--;
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}
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}
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void
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uipaq_break(struct uipaq_softc* sc, int onoff)
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{
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usb_device_request_t req;
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usbd_status err;
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int retries = 3;
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DPRINTF(("%s: uipaq_break: onoff=%x\n", device_xname(sc->sc_dev), 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, 0x0);
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USETW(req.wLength, 0);
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while (retries) {
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err = usbd_do_request(sc->sc_udev, &req, NULL);
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if (!err)
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break;
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retries--;
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}
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}
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void
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uipaq_set(void *addr, int portno, int reg, int onoff)
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{
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struct uipaq_softc* sc = addr;
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switch (reg) {
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case UCOM_SET_DTR:
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uipaq_dtr(addr, onoff);
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break;
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case UCOM_SET_RTS:
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uipaq_rts(addr, onoff);
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break;
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case UCOM_SET_BREAK:
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uipaq_break(addr, onoff);
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break;
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default:
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aprint_error_dev(sc->sc_dev,
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"unhandled set request: reg=%x onoff=%x\n", reg, onoff);
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return;
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}
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}
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int
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uipaq_activate(device_t self, enum devact act)
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{
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struct uipaq_softc *sc = device_private(self);
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switch (act) {
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case DVACT_DEACTIVATE:
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sc->sc_dying = 1;
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return 0;
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default:
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return EOPNOTSUPP;
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}
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}
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void
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uipaq_childdet(device_t self, device_t child)
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{
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struct uipaq_softc *sc = device_private(self);
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KASSERT(sc->sc_subdev == child);
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sc->sc_subdev = NULL;
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}
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int
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uipaq_detach(device_t self, int flags)
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{
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struct uipaq_softc *sc = device_private(self);
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int rv = 0;
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DPRINTF(("uipaq_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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usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
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sc->sc_dev);
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return (rv);
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}
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