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/* $OpenBSD: uberry.c,v 1.25 2024/05/23 03:21:09 jsg 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/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
struct uberry_softc {
struct device sc_dev;
struct usbd_device *sc_udev;
struct usbd_interface *sc_iface;
};
#define UBERRY_INTERFACE_NO 0
#define UBERRY_CONFIG_NO 1
/*
* Do not match on the following device, because it is type umass
* { USB_VENDOR_RIM, USB_PRODUCT_RIM_PEARL_DUAL },
*/
struct usb_devno const uberry_devices[] = {
{ USB_VENDOR_RIM, USB_PRODUCT_RIM_BLACKBERRY },
{ USB_VENDOR_RIM, USB_PRODUCT_RIM_PEARL }
};
int uberry_match(struct device *, void *, void *);
void uberry_attach(struct device *, struct device *, void *);
int uberry_detach(struct device *, int);
void uberry_pearlmode(struct uberry_softc *);
void uberry_charge(struct uberry_softc *);
struct cfdriver uberry_cd = {
NULL, "uberry", DV_DULL
};
const struct cfattach uberry_ca = {
sizeof(struct uberry_softc), uberry_match, uberry_attach, uberry_detach
};
int
uberry_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
if (uaa->iface == NULL || uaa->configno != UBERRY_CONFIG_NO)
return UMATCH_NONE;
return (usb_lookup(uberry_devices, uaa->vendor, uaa->product) != NULL) ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
}
void
uberry_attach(struct device *parent, struct device *self, void *aux)
{
struct uberry_softc *sc = (struct uberry_softc *)self;
struct usb_attach_arg *uaa = aux;
usb_device_descriptor_t *dd;
sc->sc_udev = uaa->device;
dd = usbd_get_device_descriptor(uaa->device);
printf("%s: Charging at %dmA", sc->sc_dev.dv_xname,
sc->sc_udev->power);
if (sc->sc_udev->power >= 250)
printf("\n");
else {
printf("... requesting higher-power charging\n");
uberry_charge(sc);
/*
* Older berry's will disconnect/reconnect at this
* point, and come back requesting higher power
*/
}
/* On the Pearl, request a change to Dual mode */
if (UGETW(dd->idProduct) == USB_PRODUCT_RIM_PEARL)
uberry_pearlmode(sc);
/* 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",
sc->sc_dev.dv_xname);
return;
}
if (UGETW(dd->idProduct) == USB_PRODUCT_RIM_PEARL) {
/*
* Pearl does not disconnect/reconnect by itself,
* and therefore needs to be told to reset, so that
* it can come back in Dual mode.
*/
usb_needs_reattach(sc->sc_udev);
}
}
int
uberry_detach(struct device *self, int flags)
{
/* struct uberry_softc *sc = (struct uberry_softc *)self; */
return 0;
}
void
uberry_pearlmode(struct uberry_softc *sc)
{
usb_device_request_t req;
char buffer[256];
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = 0xa9;
USETW(req.wValue, 1);
USETW(req.wIndex, 1);
USETW(req.wLength, 2);
(void) usbd_do_request(sc->sc_udev, &req, &buffer);
}
void
uberry_charge(struct uberry_softc *sc)
{
usb_device_request_t req;
char buffer[256];
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = 0xa5;
USETW(req.wValue, 0);
USETW(req.wIndex, 1);
USETW(req.wLength, 2);
(void) usbd_do_request(sc->sc_udev, &req, &buffer);
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = 0xa2;
USETW(req.wValue, 0);
USETW(req.wIndex, 1);
USETW(req.wLength, 0);
(void) usbd_do_request(sc->sc_udev, &req, &buffer);
}
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