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/* $NetBSD: uipad.c,v 1.9 2020/01/07 06:42:26 maxv Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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: uipad.c,v 1.9 2020/01/07 06:42:26 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/conf.h>
#include <sys/file.h>
#include <sys/select.h>
#include <sys/proc.h>
#include <sys/vnode.h>
#include <sys/poll.h>
#include <sys/bus.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usbdevs.h>
#ifdef UIPAD_DEBUG
#define DPRINTF(x) if (uipaddebug) printf x
#define DPRINTFN(n, x) if (uipaddebug > n) printf x
int uipaddebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n, x)
#endif
struct uipad_softc {
device_t sc_dev;
struct usbd_device * sc_udev;
};
static const struct usb_devno uipad_devs[] = {
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD_2 },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD_3 },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD_MINI },
#if 0
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_3G },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_3GS },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_4 },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_4_VZW },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_4S },
{ USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_5 },
#endif
};
#define uipad_lookup(v, p) usb_lookup(uipad_devs, v, p)
static int uipad_match(device_t, cfdata_t, void *);
static void uipad_attach(device_t, device_t, void *);
static int uipad_detach(device_t, int);
CFATTACH_DECL_NEW(uipad, sizeof(struct uipad_softc), uipad_match,
uipad_attach, uipad_detach, NULL);
static void
uipad_cmd(struct uipad_softc *sc, uint8_t requestType, uint8_t reqno,
uint16_t value, uint16_t index)
{
usb_device_request_t req;
usbd_status err;
DPRINTF(("ipad cmd type=%x, number=%x, value=%d, index=%d\n",
requestType, reqno, value, index));
req.bmRequestType = requestType;
req.bRequest = reqno;
USETW(req.wValue, value);
USETW(req.wIndex, index);
USETW(req.wLength, 0);
if ((err = usbd_do_request(sc->sc_udev, &req, NULL)) != 0)
aprint_error_dev(sc->sc_dev, "sending command failed %d\n",
err);
}
static void
uipad_charge(struct uipad_softc *sc)
{
if (sc->sc_udev->ud_power != USB_MAX_POWER)
uipad_cmd(sc, UT_VENDOR | UT_WRITE, 0x40, 0x6400, 0x6400);
}
static int
uipad_match(device_t parent, cfdata_t match, void *aux)
{
struct usb_attach_arg *uaa = aux;
DPRINTFN(50, ("uipad_match\n"));
return uipad_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
}
static void
uipad_attach(device_t parent, device_t self, void *aux)
{
struct uipad_softc *sc = device_private(self);
struct usb_attach_arg *uaa = aux;
struct usbd_device * dev = uaa->uaa_device;
char *devinfop;
DPRINTFN(10,("uipad_attach: sc=%p\n", sc));
sc->sc_dev = self;
sc->sc_udev = dev;
aprint_naive("\n");
aprint_normal("\n");
devinfop = usbd_devinfo_alloc(dev, 0);
aprint_normal_dev(self, "%s\n", devinfop);
usbd_devinfo_free(devinfop);
uipad_charge(sc);
DPRINTFN(10, ("uipad_attach: %p\n", sc->sc_udev));
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
return;
}
static int
uipad_detach(device_t self, int flags)
{
struct uipad_softc *sc = device_private(self);
DPRINTF(("uipad_detach: sc=%p flags=%d\n", sc, flags));
pmf_device_deregister(self);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
return 0;
}
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