NetBSD/sys/dev/usb/ugensa.c

248 lines
6.4 KiB
C

/* $NetBSD: ugensa.c,v 1.3 2005/05/11 10:02:28 augustss Exp $ */
/*
* Copyright (c) 2004, 2005 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Roland C. Dowdeswell <elric@netbsd.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
/* XXXrcd: heh */
#define UGENSA_DEBUG 1
#ifdef UGENSA_DEBUG
#define DPRINTF(x) if (ugensadebug) printf x
#define DPRINTFN(n,x) if (ugensadebug>(n)) printf x
int ugensadebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
struct ugensa_softc {
USBBASEDEVICE sc_dev; /* base device */
usbd_device_handle sc_udev; /* device */
usbd_interface_handle sc_iface; /* interface */
device_ptr_t sc_subdev;
int sc_numcon;
u_char sc_dying;
};
struct ucom_methods ugensa_methods = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
#define UGENSA_CONFIG_INDEX 0
#define UGENSA_IFACE_INDEX 0
#define UGENSA_BUFSIZE 1024
static const struct usb_devno ugensa_devs[] = {
{ USB_VENDOR_AIRPRIME, USB_PRODUCT_AIRPRIME_PC5220 },
};
#define ugensa_lookup(v, p) usb_lookup(ugensa_devs, v, p)
USB_DECLARE_DRIVER(ugensa);
USB_MATCH(ugensa)
{
USB_MATCH_START(ugensa, uaa);
if (uaa->iface != NULL)
return (UMATCH_NONE);
DPRINTFN(20,("ugensa: vendor=0x%x, product=0x%x\n",
uaa->vendor, uaa->product));
return (ugensa_lookup(uaa->vendor, uaa->product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
}
USB_ATTACH(ugensa)
{
USB_ATTACH_START(ugensa, sc, uaa);
usbd_device_handle dev = uaa->device;
usbd_interface_handle iface;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
char *devinfop;
char *devname = USBDEVNAME(sc->sc_dev);
usbd_status err;
struct ucom_attach_args uca;
int i;
DPRINTFN(10,("\nugensa_attach: sc=%p\n", sc));
/* Move the device into the configured state. */
err = usbd_set_config_index(dev, UGENSA_CONFIG_INDEX, 1);
if (err) {
printf("\n%s: failed to set configuration, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
err = usbd_device2interface_handle(dev, UGENSA_IFACE_INDEX, &iface);
if (err) {
printf("\n%s: failed to get interface, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
devinfop = usbd_devinfo_alloc(dev, 0);
USB_ATTACH_SETUP;
printf("%s: %s\n", devname, devinfop);
usbd_devinfo_free(devinfop);
id = usbd_get_interface_descriptor(iface);
sc->sc_udev = dev;
sc->sc_iface = iface;
uca.info = "Generic Serial Device";
uca.ibufsize = UGENSA_BUFSIZE;
uca.obufsize = UGENSA_BUFSIZE;
uca.ibufsizepad = UGENSA_BUFSIZE;
uca.opkthdrlen = 0;
uca.device = dev;
uca.iface = iface;
uca.methods = &ugensa_methods;
uca.arg = sc;
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
USBDEV(sc->sc_dev));
uca.bulkin = uca.bulkout = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
int addr, dir, attr;
ed = usbd_interface2endpoint_descriptor(iface, i);
if (ed == NULL) {
printf("%s: could not read endpoint descriptor"
": %s\n", devname, usbd_errstr(err));
goto bad;
}
addr = ed->bEndpointAddress;
dir = UE_GET_DIR(ed->bEndpointAddress);
attr = ed->bmAttributes & UE_XFERTYPE;
if (dir == UE_DIR_IN && attr == UE_BULK)
uca.bulkin = addr;
else if (dir == UE_DIR_OUT && attr == UE_BULK)
uca.bulkout = addr;
else
printf("%s: unexpected endpoint\n", devname);
}
if (uca.bulkin == -1) {
printf("%s: Could not find data bulk in\n",
USBDEVNAME(sc->sc_dev));
goto bad;
}
if (uca.bulkout == -1) {
printf("%s: Could not find data bulk out\n",
USBDEVNAME(sc->sc_dev));
goto bad;
}
DPRINTF(("ugensa: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout));
sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
ucomprint, ucomsubmatch);
USB_ATTACH_SUCCESS_RETURN;
bad:
DPRINTF(("ugensa_attach: ATTACH ERROR\n"));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
int
ugensa_activate(device_ptr_t self, enum devact act)
{
struct ugensa_softc *sc = (struct ugensa_softc *)self;
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
break;
case DVACT_DEACTIVATE:
sc->sc_dying = 1;
if (sc->sc_subdev)
rv = config_deactivate(sc->sc_subdev);
break;
}
return (rv);
}
USB_DETACH(ugensa)
{
USB_DETACH_START(ugensa, sc);
int rv = 0;
DPRINTF(("ugensa_detach: sc=%p flags=%d\n", sc, flags));
sc->sc_dying = 1;
if (sc->sc_subdev != NULL)
rv = config_detach(sc->sc_subdev, flags);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
USBDEV(sc->sc_dev));
return (rv);
}