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 | |