1 /* $NetBSD: uipad.c,v 1.6 2017/09/30 13:01:50 sevan 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 1.6 2017/09/30 13:01:50 sevan Exp $"); 41 42 #ifdef _KERNEL_OPT 43 #include "opt_usb.h" 44 #endif 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/device.h> 50 #include <sys/ioctl.h> 51 #include <sys/conf.h> 52 #include <sys/file.h> 53 #include <sys/select.h> 54 #include <sys/proc.h> 55 #include <sys/vnode.h> 56 #include <sys/poll.h> 57 #include <sys/bus.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbdi.h> 61 #include <dev/usb/usbdi_util.h> 62 #include <dev/usb/usbdivar.h> 63 64 #include <dev/usb/usbdevs.h> 65 66 #ifdef UIPAD_DEBUG 67 #define DPRINTF(x) if (uipaddebug) printf x 68 #define DPRINTFN(n, x) if (uipaddebug > n) printf x 69 int uipaddebug = 0; 70 #else 71 #define DPRINTF(x) 72 #define DPRINTFN(n, x) 73 #endif 74 75 struct uipad_softc { 76 device_t sc_dev; 77 struct usbd_device * sc_udev; 78 }; 79 80 static const struct usb_devno uipad_devs[] = { 81 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD }, 82 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD_2 }, 83 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD_3 }, 84 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPAD_MINI }, 85 #if 0 86 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE }, 87 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_3G }, 88 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_3GS }, 89 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_4 }, 90 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_4_VZW }, 91 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_4S }, 92 { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_IPHONE_5 }, 93 #endif 94 }; 95 96 #define uipad_lookup(v, p) usb_lookup(uipad_devs, v, p) 97 98 int uipad_match(device_t, cfdata_t, void *); 99 void uipad_attach(device_t, device_t, void *); 100 int uipad_detach(device_t, int); 101 int uipad_activate(device_t, enum devact); 102 103 extern struct cfdriver uipad_cd; 104 CFATTACH_DECL_NEW(uipad, sizeof(struct uipad_softc), uipad_match, 105 uipad_attach, uipad_detach, NULL); 106 107 static void 108 uipad_cmd(struct uipad_softc *sc, uint8_t requestType, uint8_t reqno, 109 uint16_t value, uint16_t index) 110 { 111 usb_device_request_t req; 112 usbd_status err; 113 114 DPRINTF(("ipad cmd type=%x, number=%x, value=%d, index=%d\n", 115 requestType, reqno, value, index)); 116 req.bmRequestType = requestType; 117 req.bRequest = reqno; 118 USETW(req.wValue, value); 119 USETW(req.wIndex, index); 120 USETW(req.wLength, 0); 121 122 if ((err = usbd_do_request(sc->sc_udev, &req, NULL)) != 0) 123 aprint_error_dev(sc->sc_dev, "sending command failed %d\n", 124 err); 125 } 126 127 static void 128 uipad_charge(struct uipad_softc *sc) 129 { 130 if (sc->sc_udev->ud_power != USB_MAX_POWER) 131 uipad_cmd(sc, UT_VENDOR | UT_WRITE, 0x40, 0x6400, 0x6400); 132 } 133 134 int 135 uipad_match(device_t parent, cfdata_t match, void *aux) 136 { 137 struct usb_attach_arg *uaa = aux; 138 139 DPRINTFN(50, ("uipad_match\n")); 140 return uipad_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 141 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 142 } 143 144 void 145 uipad_attach(device_t parent, device_t self, void *aux) 146 { 147 struct uipad_softc *sc = device_private(self); 148 struct usb_attach_arg *uaa = aux; 149 struct usbd_device * dev = uaa->uaa_device; 150 char *devinfop; 151 152 DPRINTFN(10,("uipad_attach: sc=%p\n", sc)); 153 154 sc->sc_dev = self; 155 sc->sc_udev = dev; 156 157 aprint_naive("\n"); 158 aprint_normal("\n"); 159 160 devinfop = usbd_devinfo_alloc(dev, 0); 161 aprint_normal_dev(self, "%s\n", devinfop); 162 usbd_devinfo_free(devinfop); 163 164 uipad_charge(sc); 165 166 DPRINTFN(10, ("uipad_attach: %p\n", sc->sc_udev)); 167 168 if (!pmf_device_register(self, NULL, NULL)) 169 aprint_error_dev(self, "couldn't establish power handler\n"); 170 171 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 172 return; 173 } 174 175 int 176 uipad_detach(device_t self, int flags) 177 { 178 struct uipad_softc *sc = device_private(self); 179 DPRINTF(("uipad_detach: sc=%p flags=%d\n", sc, flags)); 180 181 pmf_device_deregister(self); 182 183 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 184 185 return 0; 186 } 187