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/* $OpenBSD: umsm.c,v 1.3 2006/07/17 14:26:51 jsg Exp $ */
/*
* Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Driver for Qualcomm MSM EVDO devices */
#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/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
#define UMSMBUFSZ 2048
#define UMSM_CONFIG_NO 0
#define UMSM_IFACE_NO 0
struct umsm_softc {
USBBASEDEVICE sc_dev;
usbd_device_handle sc_udev;
usbd_interface_handle sc_iface;
device_ptr_t sc_subdev;
u_char sc_dying;
};
struct ucom_methods umsm_methods = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
static const struct usb_devno umsm_devs[] = {
{ USB_VENDOR_AIRPRIME, USB_PRODUCT_AIRPRIME_PC5220 },
{ USB_VENDOR_KYOCERA2, USB_PRODUCT_KYOCERA2_KPC650 },
{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINV620 },
{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_580 },
};
USB_DECLARE_DRIVER(umsm);
USB_MATCH(umsm)
{
USB_MATCH_START(umsm, uaa);
if (uaa->iface != NULL)
return UMATCH_NONE;
return (usb_lookup(umsm_devs, uaa->vendor, uaa->product) != NULL) ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
}
USB_ATTACH(umsm)
{
USB_ATTACH_START(umsm, sc, uaa);
struct ucom_attach_args uca;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
usbd_status error;
char *devinfop;
int i;
bzero(&uca, sizeof(uca));
sc->sc_udev = uaa->device;
devinfop = usbd_devinfo_alloc(uaa->device, 0);
USB_ATTACH_SETUP;
printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop);
usbd_devinfo_free(devinfop);
if (usbd_set_config_index(sc->sc_udev, UMSM_CONFIG_NO, 1) != 0) {
printf("%s: could not set configuration no\n",
USBDEVNAME(sc->sc_dev));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
/* get the first interface handle */
error = usbd_device2interface_handle(sc->sc_udev, UMSM_IFACE_NO,
&sc->sc_iface);
if (error != 0) {
printf("%s: could not get interface handle\n",
USBDEVNAME(sc->sc_dev));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
id = usbd_get_interface_descriptor(sc->sc_iface);
uca.bulkin = uca.bulkout = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) {
printf("%s: no endpoint descriptor found for %d\n",
USBDEVNAME(sc->sc_dev), i);
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
uca.bulkin = ed->bEndpointAddress;
else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
uca.bulkout = ed->bEndpointAddress;
}
if (uca.bulkin == -1 || uca.bulkout == -1) {
printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
/* We need to force size as some devices lie */
uca.ibufsize = UMSMBUFSZ;
uca.obufsize = UMSMBUFSZ;
uca.ibufsizepad = UMSMBUFSZ;
uca.opkthdrlen = 0;
uca.device = sc->sc_udev;
uca.iface = sc->sc_iface;
uca.methods = &umsm_methods;
uca.arg = sc;
uca.info = NULL;
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
USBDEV(sc->sc_dev));
sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
USB_ATTACH_SUCCESS_RETURN;
}
USB_DETACH(umsm)
{
USB_DETACH_START(umsm, sc);
int rv = 0;
sc->sc_dying = 1;
if (sc->sc_subdev != NULL) {
rv = config_detach(sc->sc_subdev, flags);
sc->sc_subdev = NULL;
}
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
USBDEV(sc->sc_dev));
return (rv);
}
int
umsm_activate(device_ptr_t self, enum devact act)
{
struct umsm_softc *sc = (struct umsm_softc *)self;
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
break;
case DVACT_DEACTIVATE:
if (sc->sc_subdev != NULL)
rv = config_deactivate(sc->sc_subdev);
sc->sc_dying = 1;
break;
}
return (rv);
}
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