smallest usb driver ever: enable config on the Blackberry which prevents

usb from idling, thus it can get enough power to charge in all cases

1 files changed, 108 insertions, 0 deletions

diff --git a/sys/dev/usb/uberry.c b/sys/dev/usb/uberry.c
new file mode 100644
index 00000000000..4c0b8d6d369
--- /dev/null
+++ b/sys/dev/usb/uberry.c
@@ -0,0 +1,108 @@
+/*	$OpenBSD: uberry.c,v 1.1 2006/11/27 11:38:43 deraadt Exp $	*/
+
+/*-
+ * Copyright (c) 2006 Theo de Raadt <deraadt@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.
+ */
+
+#include <sys/param.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <sys/mbuf.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/timeout.h>
+#include <sys/conf.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/endian.h>
+#include <machine/intr.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdevs.h>
+
+struct uberry_softc {
+	USBBASEDEVICE			sc_dev;
+	usbd_device_handle		sc_udev;
+	usbd_interface_handle		sc_iface;
+};
+
+#define UBERRY_CONFIG_NO		0
+
+Static struct usb_devno const uberry_devices[] = {
+	{ USB_VENDOR_RIM, USB_PRODUCT_RIM_BLACKBERRY },
+	{ 0, 0 }
+};
+
+USB_DECLARE_DRIVER(uberry);
+
+USB_MATCH(uberry)
+{
+	USB_MATCH_START(uberry, uaa);
+
+	if (uaa->iface != NULL)
+		return UMATCH_NONE;
+
+	return (usb_lookup(uberry_devices, uaa->vendor, uaa->product) != NULL) ?
+	    UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
+}
+
+USB_ATTACH(uberry)
+{
+	USB_ATTACH_START(uberry, sc, uaa);
+	char *devinfop;
+
+	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);
+
+	/* Enable the device, then it cannot idle, and will charge */
+	if (usbd_set_config_no(sc->sc_udev, UBERRY_CONFIG_NO, 1) != 0) {
+		printf("%s: could not set configuration no\n",
+		    USBDEVNAME(sc->sc_dev));
+		USB_ATTACH_ERROR_RETURN;
+	}
+	printf("%s: Charging enabled\n", USBDEVNAME(sc->sc_dev));
+
+	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
+	    USBDEV(sc->sc_dev));
+
+	USB_ATTACH_SUCCESS_RETURN;
+}
+
+USB_DETACH(uberry)
+{
+	return 0;
+}
+
+Static int
+uberry_activate(device_ptr_t self, enum devact act)
+{
+	switch (act) {
+	case DVACT_ACTIVATE:
+		break;
+
+	case DVACT_DEACTIVATE:
+		break;
+	}
+	return 0;
+}