ubt.c revision 1.3
1 /* $NetBSD: ubt.c,v 1.3 2002/08/24 17:31:19 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net). 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 prior 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: ubt.c,v 1.3 2002/08/24 17:31:19 augustss 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/lock.h> 47 #include <sys/ioctl.h> 48 #include <sys/conf.h> 49 #include <sys/file.h> 50 #include <sys/poll.h> 51 #include <sys/select.h> 52 #include <sys/proc.h> 53 54 #include <dev/usb/usb.h> 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 59 #include <dev/bluetooth/bluetooth.h> 60 61 #define UBT_DEBUG 62 63 #ifdef UBT_DEBUG 64 #define DPRINTF(x) if (ubtdebug) logprintf x 65 #define DPRINTFN(n,x) if (ubtdebug>(n)) logprintf x 66 int ubtdebug = 1; 67 #else 68 #define DPRINTF(x) 69 #define DPRINTFN(n,x) 70 #endif 71 72 /* 73 * Protocol related definitions 74 */ 75 76 struct ubt_softc { 77 USBBASEDEVICE sc_dev; 78 usbd_device_handle sc_udev; 79 usbd_interface_handle sc_ctl_iface; 80 usbd_interface_handle sc_isoc_iface; 81 82 int sc_rd_addr; 83 usbd_pipe_handle sc_rd_pipe; 84 85 int sc_wr_addr; 86 usbd_pipe_handle sc_wr_pipe; 87 88 struct device *sc_child; 89 int sc_refcnt; 90 char sc_dying; 91 }; 92 93 USB_DECLARE_DRIVER(ubt); 94 95 USB_MATCH(ubt) 96 { 97 USB_MATCH_START(ubt, uaa); 98 usb_interface_descriptor_t *id; 99 100 DPRINTFN(50,("ubt_match\n")); 101 102 if (uaa->iface == NULL) 103 return (UMATCH_NONE); 104 105 id = usbd_get_interface_descriptor(uaa->iface); 106 if (id != NULL && 107 id->bInterfaceClass == UICLASS_WIRELESS && 108 id->bInterfaceSubClass == UISUBCLASS_RF && 109 id->bInterfaceProtocol == UIPROTO_BLUETOOTH) 110 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 111 return (UMATCH_NONE); 112 } 113 114 USB_ATTACH(ubt) 115 { 116 USB_ATTACH_START(ubt, sc, uaa); 117 usbd_device_handle dev = uaa->device; 118 usbd_interface_handle iface = uaa->iface; 119 struct bt_attach_args bt; 120 usb_interface_descriptor_t *id; 121 char devinfo[1024]; 122 usb_endpoint_descriptor_t *ed; 123 u_int8_t epcount; 124 int i; 125 126 DPRINTFN(10,("ubt_attach: sc=%p\n", sc)); 127 128 usbd_devinfo(dev, 0, devinfo); 129 USB_ATTACH_SETUP; 130 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); 131 132 sc->sc_udev = dev; 133 sc->sc_ctl_iface = iface; 134 135 /* 136 * The control interface comes before the isoc interface 137 * according to the spec, so we find it first. 138 */ 139 epcount = 0; 140 (void)usbd_endpoint_count(iface, &epcount); 141 sc->sc_rd_addr = -1; 142 sc->sc_wr_addr = -1; 143 for (i = 0; i < epcount; i++) { 144 ed = usbd_interface2endpoint_descriptor(iface, i); 145 if (ed == NULL) { 146 printf("%s: couldn't get ep %d\n", 147 USBDEVNAME(sc->sc_dev), i); 148 USB_ATTACH_ERROR_RETURN; 149 } 150 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 151 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 152 sc->sc_rd_addr = ed->bEndpointAddress; 153 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 154 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 155 sc->sc_wr_addr = ed->bEndpointAddress; 156 } 157 } 158 #if 0 159 if (sc->sc_rd_addr == -1 || sc->sc_wr_addr == -1) { 160 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); 161 USB_ATTACH_ERROR_RETURN; 162 } 163 #endif 164 165 /* XXX works because isoc comes after ctl */ 166 /* Grab isoc interface as well. */ 167 for (i = 0; i < uaa->nifaces; i++) { 168 if (uaa->ifaces[i] == NULL) 169 continue; 170 id = usbd_get_interface_descriptor(uaa->ifaces[i]); 171 if (id != NULL && 172 id->bInterfaceClass == UICLASS_WIRELESS && 173 id->bInterfaceSubClass == UISUBCLASS_RF && 174 id->bInterfaceProtocol == UIPROTO_BLUETOOTH) { 175 sc->sc_isoc_iface = uaa->ifaces[i]; 176 uaa->ifaces[i] = NULL; 177 } 178 } 179 180 printf("%s: has%s isoc data\n", USBDEVNAME(sc->sc_dev), 181 sc->sc_isoc_iface != NULL ? "" : " no"); 182 183 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 184 USBDEV(sc->sc_dev)); 185 186 sc->sc_child = config_found(self, &bt, bt_print); 187 188 USB_ATTACH_SUCCESS_RETURN; 189 } 190 191 USB_DETACH(ubt) 192 { 193 USB_DETACH_START(ubt, sc); 194 int s; 195 int rv = 0; 196 197 DPRINTF(("ubt_detach: sc=%p flags=%d\n", sc, flags)); 198 199 sc->sc_dying = 1; 200 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 201 if (sc->sc_rd_pipe != NULL) { 202 usbd_abort_pipe(sc->sc_rd_pipe); 203 usbd_close_pipe(sc->sc_rd_pipe); 204 sc->sc_rd_pipe = NULL; 205 } 206 if (sc->sc_wr_pipe != NULL) { 207 usbd_abort_pipe(sc->sc_wr_pipe); 208 usbd_close_pipe(sc->sc_wr_pipe); 209 sc->sc_wr_pipe = NULL; 210 } 211 #if 0 212 wakeup(&sc->sc_rd_count); 213 #endif 214 215 s = splusb(); 216 if (--sc->sc_refcnt >= 0) { 217 /* Wait for processes to go away. */ 218 usb_detach_wait(USBDEV(sc->sc_dev)); 219 } 220 splx(s); 221 222 if (sc->sc_child != NULL) { 223 rv = config_detach(sc->sc_child, flags); 224 sc->sc_child = NULL; 225 } 226 227 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 228 USBDEV(sc->sc_dev)); 229 230 return (rv); 231 } 232 233 int 234 ubt_activate(device_ptr_t self, enum devact act) 235 { 236 struct ubt_softc *sc = (struct ubt_softc *)self; 237 int error = 0; 238 239 switch (act) { 240 case DVACT_ACTIVATE: 241 return (EOPNOTSUPP); 242 break; 243 244 case DVACT_DEACTIVATE: 245 sc->sc_dying = 1; 246 if (sc->sc_child != NULL) 247 error = config_deactivate(sc->sc_child); 248 break; 249 } 250 return (error); 251 } 252
Indexes created Wed Sep 24 22:09:59 GMT 2025