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NetBSD/sys/dev/usb/ugensa.c

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/* $NetBSD: ugensa.c,v 1.28 2010/11/03 22:34:23 dyoung 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.
*
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ugensa.c,v 1.28 2010/11/03 22:34:23 dyoung Exp $");
#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>
/* 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 {
device_t sc_dev; /* base device */
usbd_device_handle sc_udev; /* device */
usbd_interface_handle sc_iface; /* interface */
device_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
struct ugensa_type {
struct usb_devno ugensa_dev;
u_int16_t ugensa_flags;
#define UNTESTED 0x0001
};
static const struct ugensa_type ugensa_devs[] = {
{{ USB_VENDOR_AIRPRIME, USB_PRODUCT_AIRPRIME_PC5220 }, 0 },
{{ USB_VENDOR_DELL, USB_PRODUCT_DELL_HSDPA }, 0 },
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_FLEXPACKGPS }, 0 },
{{ USB_VENDOR_QUALCOMM_K, USB_PRODUCT_QUALCOMM_K_CDMA_MSM_K }, 0 },
{{ USB_VENDOR_QUALCOMMINC, USB_PRODUCT_QUALCOMMINC_AC8700 }, 0 },
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_USB305 }, 0 },
/*
* The following devices are untested, but they are purported to
* to work in similar device drivers on other OSes:
*/
{{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_500A }, UNTESTED },
{{ USB_VENDOR_NOVATEL2, USB_PRODUCT_NOVATEL2_EXPRESSCARD }, UNTESTED },
{{ USB_VENDOR_QUALCOMM, USB_PRODUCT_QUALCOMM_MSM_HSDPA }, UNTESTED },
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD875 }, UNTESTED },
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_EM5625 }, UNTESTED },
};
#define ugensa_lookup(v, p) \
((const struct ugensa_type *)usb_lookup(ugensa_devs, v, p))
int ugensa_match(device_t, cfdata_t, void *);
void ugensa_attach(device_t, device_t, void *);
void ugensa_childdet(device_t, device_t);
int ugensa_detach(device_t, int);
int ugensa_activate(device_t, enum devact);
extern struct cfdriver ugensa_cd;
CFATTACH_DECL2_NEW(ugensa, sizeof(struct ugensa_softc), ugensa_match,
ugensa_attach, ugensa_detach, ugensa_activate, NULL, ugensa_childdet);
int
ugensa_match(device_t parent, cfdata_t match, void *aux)
{
struct usb_attach_arg *uaa = aux;
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);
}
void
ugensa_attach(device_t parent, device_t self, void *aux)
{
struct ugensa_softc *sc = device_private(self);
struct usb_attach_arg *uaa = aux;
usbd_device_handle dev = uaa->device;
usbd_interface_handle iface;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
char *devinfop;
const char *devname = device_xname(self);
usbd_status err;
struct ucom_attach_args uca;
int i;
DPRINTFN(10,("\nugensa_attach: sc=%p\n", sc));
sc->sc_dev = self;
aprint_naive("\n");
aprint_normal("\n");
devinfop = usbd_devinfo_alloc(dev, 0);
aprint_normal_dev(self, "%s\n", devinfop);
usbd_devinfo_free(devinfop);
/* Move the device into the configured state. */
err = usbd_set_config_index(dev, UGENSA_CONFIG_INDEX, 1);
if (err) {
aprint_error("\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) {
aprint_error("\n%s: failed to get interface, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
if (ugensa_lookup(uaa->vendor, uaa->product)->ugensa_flags & UNTESTED)
aprint_normal_dev(self, "WARNING: This device is marked as "
"untested. Please submit a report via send-pr(1).\n");
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.portno = UCOM_UNK_PORTNO;
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,
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) {
aprint_error_dev(self,
"could not read endpoint descriptor: %s\n",
usbd_errstr(err));
goto bad;
}
addr = ed->bEndpointAddress;
dir = UE_GET_DIR(ed->bEndpointAddress);
attr = ed->bmAttributes & UE_XFERTYPE;
if (attr == UE_BULK) {
if (uca.bulkin == -1 && dir == UE_DIR_IN) {
DPRINTF(("%s: Bulk in %d\n", devname, i));
uca.bulkin = addr;
continue;
}
if (uca.bulkout == -1 && dir == UE_DIR_OUT) {
DPRINTF(("%s: Bulk out %d\n", devname, i));
uca.bulkout = addr;
continue;
}
}
aprint_error_dev(self, "unexpected endpoint\n");
}
if (uca.bulkin == -1) {
aprint_error_dev(self, "Could not find data bulk in\n");
goto bad;
}
if (uca.bulkout == -1) {
aprint_error_dev(self, "Could not find data bulk out\n");
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);
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
return;
bad:
DPRINTF(("ugensa_attach: ATTACH ERROR\n"));
sc->sc_dying = 1;
return;
}
void
ugensa_childdet(device_t self, device_t child)
{
struct ugensa_softc *sc = device_private(self);
KASSERT(sc->sc_subdev == child);
sc->sc_subdev = NULL;
}
int
ugensa_activate(device_t self, enum devact act)
{
struct ugensa_softc *sc = device_private(self);
DPRINTF(("ugensa_activate: sc=%p\n", sc));
switch (act) {
case DVACT_DEACTIVATE:
sc->sc_dying = 1;
return 0;
default:
return EOPNOTSUPP;
}
}
int
ugensa_detach(device_t self, int flags)
{
struct ugensa_softc *sc = device_private(self);
int rv = 0;
DPRINTF(("ugensa_detach: sc=%p flags=%d\n", sc, flags));
sc->sc_dying = 1;
pmf_device_deregister(self);
if (sc->sc_subdev != NULL)
rv = config_detach(sc->sc_subdev, flags);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
sc->sc_dev);
return (rv);
}
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