| 1 | /* $NetBSD: uipad.c,v 1.2 2016/04/23 10:15:32 skrll Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2011 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Christos Zoulas. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * 3. All advertising materials mentioning features or use of this software |
| 19 | * must display the following acknowledgement: |
| 20 | * This product includes software developed by the NetBSD |
| 21 | * Foundation, Inc. and its contributors. |
| 22 | * 4. Neither the name of The NetBSD Foundation nor the names of its |
| 23 | * contributors may be used to endorse or promote products derived |
| 24 | * from this software without specific pipadr written permission. |
| 25 | * |
| 26 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 27 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 28 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 29 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 30 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 31 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 32 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 33 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 34 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 35 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 36 | * POSSIBILITY OF SUCH DAMAGE. |
| 37 | */ |
| 38 | |
| 39 | #include <sys/cdefs.h> |
| 40 | __KERNEL_RCSID(0, "$NetBSD: uipad.c,v 1.2 2016/04/23 10:15:32 skrll Exp $" ); |
| 41 | |
| 42 | #include <sys/param.h> |
| 43 | #include <sys/systm.h> |
| 44 | #include <sys/kernel.h> |
| 45 | #include <sys/device.h> |
| 46 | #include <sys/ioctl.h> |
| 47 | #include <sys/conf.h> |
| 48 | #include <sys/file.h> |
| 49 | #include <sys/select.h> |
| 50 | #include <sys/proc.h> |
| 51 | #include <sys/vnode.h> |
| 52 | #include <sys/poll.h> |
| 53 | #include <sys/bus.h> |
| 54 | |
| 55 | #include <dev/usb/usb.h> |
| 56 | #include <dev/usb/usbdi.h> |
| 57 | #include <dev/usb/usbdi_util.h> |
| 58 | #include <dev/usb/usbdivar.h> |
| 59 | |
| 60 | #include <dev/usb/usbdevs.h> |
| 61 | |
| 62 | #ifdef UIPAD_DEBUG |
| 63 | #define DPRINTF(x) if (uipaddebug) printf x |
| 64 | #define DPRINTFN(n, x) if (uipaddebug > n) printf x |
| 65 | int uipaddebug = 0; |
| 66 | #else |
| 67 | #define DPRINTF(x) |
| 68 | #define DPRINTFN(n, x) |
| 69 | #endif |
| 70 | |
| 71 | struct uipad_softc { |
| 72 | device_t sc_dev; |
| 73 | struct usbd_device * sc_udev; |
| 74 | }; |
| 75 | |
| 76 | /* |
| 77 | * Note that we do not attach to USB_PRODUCT_RIM_BLACKBERRY_PEARL_DUAL |
| 78 | * as we let umass claim the device instead. |
| 79 | */ |
| 80 | static const struct usb_devno uipad_devs[] = { |
| 81 | { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD }, |
| 82 | }; |
| 83 | |
| 84 | #define uipad_lookup(v, p) usb_lookup(uipad_devs, v, p) |
| 85 | |
| 86 | int uipad_match(device_t, cfdata_t, void *); |
| 87 | void uipad_attach(device_t, device_t, void *); |
| 88 | int uipad_detach(device_t, int); |
| 89 | int uipad_activate(device_t, enum devact); |
| 90 | |
| 91 | extern struct cfdriver uipad_cd; |
| 92 | CFATTACH_DECL_NEW(uipad, sizeof(struct uipad_softc), uipad_match, |
| 93 | uipad_attach, uipad_detach, NULL); |
| 94 | |
| 95 | static void |
| 96 | uipad_cmd(struct uipad_softc *sc, uint8_t requestType, uint8_t reqno, |
| 97 | uint16_t value, uint16_t index) |
| 98 | { |
| 99 | usb_device_request_t req; |
| 100 | usbd_status err; |
| 101 | |
| 102 | DPRINTF(("ipad cmd type=%x, number=%x, value=%d, index=%d\n" , |
| 103 | requestType, reqno, value, index)); |
| 104 | req.bmRequestType = requestType; |
| 105 | req.bRequest = reqno; |
| 106 | USETW(req.wValue, value); |
| 107 | USETW(req.wIndex, index); |
| 108 | USETW(req.wLength, 0); |
| 109 | |
| 110 | if ((err = usbd_do_request(sc->sc_udev, &req, NULL)) != 0) |
| 111 | aprint_error_dev(sc->sc_dev, "sending command failed %d\n" , |
| 112 | err); |
| 113 | } |
| 114 | |
| 115 | static void |
| 116 | uipad_charge(struct uipad_softc *sc) |
| 117 | { |
| 118 | if (sc->sc_udev->ud_power != USB_MAX_POWER) |
| 119 | uipad_cmd(sc, UT_VENDOR | UT_WRITE, 0x40, 0x6400, 0x6400); |
| 120 | } |
| 121 | |
| 122 | int |
| 123 | uipad_match(device_t parent, cfdata_t match, void *aux) |
| 124 | { |
| 125 | struct usb_attach_arg *uaa = aux; |
| 126 | |
| 127 | DPRINTFN(50, ("uipad_match\n" )); |
| 128 | return uipad_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
| 129 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 130 | } |
| 131 | |
| 132 | void |
| 133 | uipad_attach(device_t parent, device_t self, void *aux) |
| 134 | { |
| 135 | struct uipad_softc *sc = device_private(self); |
| 136 | struct usb_attach_arg *uaa = aux; |
| 137 | struct usbd_device * dev = uaa->uaa_device; |
| 138 | char *devinfop; |
| 139 | |
| 140 | DPRINTFN(10,("uipad_attach: sc=%p\n" , sc)); |
| 141 | |
| 142 | sc->sc_dev = self; |
| 143 | sc->sc_udev = dev; |
| 144 | |
| 145 | aprint_naive("\n" ); |
| 146 | aprint_normal("\n" ); |
| 147 | |
| 148 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 149 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 150 | usbd_devinfo_free(devinfop); |
| 151 | |
| 152 | uipad_charge(sc); |
| 153 | |
| 154 | DPRINTFN(10, ("uipad_attach: %p\n" , sc->sc_udev)); |
| 155 | |
| 156 | if (!pmf_device_register(self, NULL, NULL)) |
| 157 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 158 | |
| 159 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
| 160 | return; |
| 161 | } |
| 162 | |
| 163 | int |
| 164 | uipad_detach(device_t self, int flags) |
| 165 | { |
| 166 | struct uipad_softc *sc = device_private(self); |
| 167 | DPRINTF(("uipad_detach: sc=%p flags=%d\n" , sc, flags)); |
| 168 | |
| 169 | pmf_device_deregister(self); |
| 170 | |
| 171 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 172 | |
| 173 | return 0; |
| 174 | } |
| 175 | |