Home | History | Annotate | Line # | Download | only in usb
uberry.c revision 1.7
      1 /*	$NetBSD: uberry.c,v 1.7 2011/12/22 20:07:00 jakllsch Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2008 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 pberryr 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: uberry.c,v 1.7 2011/12/22 20:07:00 jakllsch Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/kernel.h>
     45 #include <sys/malloc.h>
     46 #include <sys/device.h>
     47 #include <sys/ioctl.h>
     48 #include <sys/conf.h>
     49 #include <sys/file.h>
     50 #include <sys/select.h>
     51 #include <sys/proc.h>
     52 #include <sys/vnode.h>
     53 #include <sys/poll.h>
     54 #include <sys/bus.h>
     55 
     56 #include <dev/usb/usb.h>
     57 #include <dev/usb/usbdi.h>
     58 #include <dev/usb/usbdi_util.h>
     59 #include <dev/usb/usbdivar.h>
     60 
     61 #include <dev/usb/usbdevs.h>
     62 
     63 #ifdef UBERRY_DEBUG
     64 #define DPRINTF(x)	if (uberrydebug) printf x
     65 #define DPRINTFN(n, x)	if (uberrydebug > n) printf x
     66 int	uberrydebug = 0;
     67 #else
     68 #define DPRINTF(x)
     69 #define DPRINTFN(n, x)
     70 #endif
     71 
     72 struct uberry_softc {
     73  	device_t		sc_dev;
     74 	usbd_device_handle	sc_udev;
     75 };
     76 
     77 /*
     78  * Note that we do not attach to USB_PRODUCT_RIM_BLACKBERRY_PEARL_DUAL
     79  * as we let umass claim the device instead.
     80  */
     81 static const struct usb_devno uberry_devs[] = {
     82 	{ USB_VENDOR_RIM, USB_PRODUCT_RIM_BLACKBERRY },
     83 	{ USB_VENDOR_RIM, USB_PRODUCT_RIM_BLACKBERRY_PEARL },
     84 };
     85 
     86 #define uberry_lookup(v, p) usb_lookup(uberry_devs, v, p)
     87 #define UBERRY_CONFIG_NO 1
     88 
     89 int	uberry_match(device_t, cfdata_t, void *);
     90 void	uberry_attach(device_t, device_t, void *);
     91 int	uberry_detach(device_t, int);
     92 int	uberry_activate(device_t, enum devact);
     93 extern struct cfdriver uberry_cd;
     94 CFATTACH_DECL_NEW(uberry, sizeof(struct uberry_softc), uberry_match,
     95     uberry_attach, uberry_detach, NULL);
     96 
     97 static void
     98 uberry_cmd(struct uberry_softc *sc, uint8_t requestType, uint8_t reqno,
     99     uint8_t value, uint8_t index, void *data, uint8_t length)
    100 {
    101 	usb_device_request_t req;
    102 	usbd_status err;
    103 
    104 	DPRINTF(("berry cmd type=%x, number=%x, value=%d, index=%d, len=%d\n",
    105 	    requestType, reqno, value, index, length));
    106         req.bmRequestType = requestType;
    107         req.bRequest = reqno;
    108         USETW(req.wValue, value);
    109         USETW(req.wIndex, index);
    110         USETW(req.wLength, length);
    111 
    112         if ((err = usbd_do_request(sc->sc_udev, &req, data)) != 0)
    113 		aprint_error_dev(sc->sc_dev, "sending command failed %d\n",
    114 		    err);
    115 }
    116 
    117 static void
    118 uberry_charge(struct uberry_softc *sc)
    119 {
    120 	char dummy[2];
    121 	usbd_status err;
    122 
    123 	if (sc->sc_udev->power != USB_MAX_POWER) {
    124 		uberry_cmd(sc, UT_READ | UT_VENDOR, 0xa5, 0, 1, dummy, 2);
    125 		uberry_cmd(sc, UT_WRITE | UT_VENDOR, 0xa2, 0, 1, dummy, 0);
    126 	}
    127 
    128 	err = usbd_set_config_no(sc->sc_udev, UBERRY_CONFIG_NO, 1);
    129 	if (err) {
    130 		aprint_error_dev(sc->sc_dev, "setting config no failed\n");
    131 		return;
    132 	}
    133 }
    134 
    135 /*
    136  * Expose both the USB mass storage interface and the database access one
    137  */
    138 static void
    139 uberry_dual_mode(struct uberry_softc *sc)
    140 {
    141 	char dummy[2];
    142 	usbd_status err;
    143 
    144 	uberry_cmd(sc, UT_READ | UT_VENDOR, 0xa9, 1, 1, dummy, 2);
    145 
    146 	err = usbd_set_config_no(sc->sc_udev, UBERRY_CONFIG_NO, 1);
    147 	if (err) {
    148 		aprint_error_dev(sc->sc_dev, "setting config no failed\n");
    149 		return;
    150 	}
    151 }
    152 
    153 
    154 int
    155 uberry_match(device_t parent, cfdata_t match, void *aux)
    156 {
    157 	struct usb_attach_arg *uaa = aux;
    158 
    159 	DPRINTFN(50, ("uberry_match\n"));
    160 	return (uberry_lookup(uaa->vendor, uaa->product) != NULL ?
    161 		UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
    162 }
    163 
    164 void
    165 uberry_attach(device_t parent, device_t self, void *aux)
    166 {
    167 	struct uberry_softc *sc = device_private(self);
    168 	struct usb_attach_arg *uaa = aux;
    169 	usbd_device_handle	dev = uaa->device;
    170 	char			*devinfop;
    171 
    172 	DPRINTFN(10,("uberry_attach: sc=%p\n", sc));
    173 
    174 	sc->sc_dev = self;
    175 	sc->sc_udev = dev;
    176 
    177 	aprint_naive("\n");
    178 	aprint_normal("\n");
    179 
    180 	devinfop = usbd_devinfo_alloc(dev, 0);
    181 	aprint_normal_dev(self, "%s\n", devinfop);
    182 	usbd_devinfo_free(devinfop);
    183 
    184 	uberry_charge(sc);
    185 	if (uaa->product == USB_PRODUCT_RIM_BLACKBERRY_PEARL)
    186 		uberry_dual_mode(sc);
    187 
    188 	DPRINTFN(10, ("uberry_attach: %p\n", sc->sc_udev));
    189 
    190 	if (!pmf_device_register(self, NULL, NULL))
    191 		aprint_error_dev(self, "couldn't establish power handler\n");
    192 
    193 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
    194 	return;
    195 }
    196 
    197 int
    198 uberry_detach(device_t self, int flags)
    199 {
    200 	struct uberry_softc *sc = device_private(self);
    201 	DPRINTF(("uberry_detach: sc=%p flags=%d\n", sc, flags));
    202 
    203 	pmf_device_deregister(self);
    204 
    205 	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
    206 
    207 	return (0);
    208 }
    209