Driver for the serial interface to Qualcomm MSM EVDO modems.

Tested with Verizon Wireless by jolan@
ok dlg@

1 files changed, 190 insertions, 0 deletions

diff --git a/sys/dev/usb/umsm.c b/sys/dev/usb/umsm.c
new file mode 100644
index 00000000000..c0d65e6e340
--- /dev/null
+++ b/sys/dev/usb/umsm.c
@@ -0,0 +1,190 @@
+/*	$OpenBSD: umsm.c,v 1.1 2006/03/24 10:31:22 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_AUDIOVOX,	USB_PRODUCT_AUDIOVOX_PC5740 },
+	{ 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:
+		return (EOPNOTSUPP);
+
+	case DVACT_DEACTIVATE:
+		if (sc->sc_subdev != NULL)
+			rv = config_deactivate(sc->sc_subdev);
+		sc->sc_dying = 1;
+		break;
+	}
+	return (rv);
+}