uvisor.c revision 1.1
1 /* $NetBSD: uvisor.c,v 1.1 2000/03/30 16:56:19 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 2000 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 (augustss (at) carlstedt.se) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Handspring Visor driver 42 */ 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/device.h> 48 #include <sys/conf.h> 49 #include <sys/tty.h> 50 51 #include <dev/usb/usb.h> 52 #include <dev/usb/usbhid.h> 53 54 #include <dev/usb/usbdi.h> 55 #include <dev/usb/usbdi_util.h> 56 #include <dev/usb/usbdevs.h> 57 58 #include <dev/usb/ucomvar.h> 59 60 #ifdef UVISOR_DEBUG 61 #define DPRINTF(x) if (uvisordebug) printf x 62 #define DPRINTFN(n,x) if (uvisordebug>(n)) printf x 63 int uvisordebug = 10; 64 #else 65 #define DPRINTF(x) 66 #define DPRINTFN(n,x) 67 #endif 68 69 #define UVISOR_CONFIG_INDEX 0 70 #define UVISOR_IFACE_INDEX 0 71 72 /* From the Linux driver */ 73 /* 74 * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that 75 * are available to be transfered to the host for the specified endpoint. 76 * Currently this is not used, and always returns 0x0001 77 */ 78 #define UVISOR_REQUEST_BYTES_AVAILABLE 0x01 79 80 /* 81 * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host 82 * is now closing the pipe. An empty packet is sent in response. 83 */ 84 #define UVISOR_CLOSE_NOTIFICATION 0x02 85 86 /* 87 * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to 88 * get the endpoints used by the connection. 89 */ 90 #define UVISOR_GET_CONNECTION_INFORMATION 0x03 91 92 93 /* 94 * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format 95 */ 96 struct uvisor_connection_info { 97 uWord num_ports; 98 struct { 99 uByte port_function_id; 100 uByte port; 101 } connections[8]; 102 }; 103 #define UVISOR_CONNECTION_INFO_SIZE 18 104 105 106 /* struct uvisor_connection_info.connection[x].port defines: */ 107 #define UVISOR_ENDPOINT_1 0x01 108 #define UVISOR_ENDPOINT_2 0x02 109 110 /* struct uvisor_connection_info.connection[x].port_function_id defines: */ 111 #define UVISOR_FUNCTION_GENERIC 0x00 112 #define UVISOR_FUNCTION_DEBUGGER 0x01 113 #define UVISOR_FUNCTION_HOTSYNC 0x02 114 #define UVISOR_FUNCTION_CONSOLE 0x03 115 #define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04 116 117 118 struct uvisor_softc { 119 USBBASEDEVICE sc_dev; /* base device */ 120 usbd_device_handle sc_udev; /* device */ 121 usbd_interface_handle sc_iface; /* interface */ 122 123 device_ptr_t sc_subdev; 124 125 u_char sc_dying; 126 }; 127 128 Static usbd_status uvisor_init __P((struct uvisor_softc *)); 129 130 Static void uvisor_close __P((void *, int)); 131 132 133 struct ucom_methods uvisor_methods = { 134 NULL, 135 NULL, 136 NULL, 137 NULL, 138 NULL, 139 uvisor_close, 140 }; 141 142 USB_DECLARE_DRIVER(uvisor); 143 144 USB_MATCH(uvisor) 145 { 146 USB_MATCH_START(uvisor, uaa); 147 148 if (uaa->iface != NULL) 149 return (UMATCH_NONE); 150 151 DPRINTFN(20,("uvisor: vendor=0x%x, product=0x%x\n", 152 uaa->vendor, uaa->product)); 153 154 if (uaa->vendor == USB_VENDOR_HANDSPRING && 155 uaa->product & USB_PRODUCT_HANDSPRING_VISOR) 156 return (UMATCH_VENDOR_PRODUCT); 157 158 return (UMATCH_NONE); 159 } 160 161 USB_ATTACH(uvisor) 162 { 163 USB_ATTACH_START(uvisor, sc, uaa); 164 usbd_device_handle dev = uaa->device; 165 usbd_interface_handle iface; 166 usb_interface_descriptor_t *id; 167 usb_endpoint_descriptor_t *ed; 168 char devinfo[1024]; 169 char *devname = USBDEVNAME(sc->sc_dev); 170 int i; 171 usbd_status err; 172 struct ucom_attach_args uca; 173 174 DPRINTFN(10,("\nuvisor_attach: sc=%p\n", sc)); 175 176 /* Move the device into the configured state. */ 177 err = usbd_set_config_index(dev, UVISOR_CONFIG_INDEX, 1); 178 if (err) { 179 printf("\n%s: failed to set configuration, err=%s\n", 180 devname, usbd_errstr(err)); 181 goto bad; 182 } 183 184 err = usbd_device2interface_handle(dev, UVISOR_IFACE_INDEX, &iface); 185 if (err) { 186 printf("\n%s: failed to get interface, err=%s\n", 187 devname, usbd_errstr(err)); 188 goto bad; 189 } 190 191 usbd_devinfo(dev, 0, devinfo); 192 USB_ATTACH_SETUP; 193 printf("%s: %s\n", devname, devinfo); 194 195 id = usbd_get_interface_descriptor(iface); 196 sc->sc_iface = iface; 197 sc->sc_udev = dev; 198 199 uca.methods = &uvisor_methods; 200 uca.arg = sc; 201 uca.iface = iface; 202 203 uca.bulkin = uca.bulkout = -1; 204 for (i = 0; i < id->bNumEndpoints; i++) { 205 int addr, dir, attr; 206 ed = usbd_interface2endpoint_descriptor(iface, i); 207 if (ed == NULL) { 208 printf("%s: could not read endpoint descriptor" 209 ": %s\n", devname, usbd_errstr(err)); 210 goto bad; 211 } 212 213 addr = ed->bEndpointAddress; 214 dir = UE_GET_DIR(ed->bEndpointAddress); 215 attr = ed->bmAttributes & UE_XFERTYPE; 216 if (dir == UE_DIR_IN && attr == UE_BULK) 217 uca.bulkin = addr; 218 else if (dir == UE_DIR_OUT && attr == UE_BULK) 219 uca.bulkout = addr; 220 else { 221 printf("%s: unexpected endpoint\n", devname); 222 goto bad; 223 } 224 } 225 if (uca.bulkin == -1) { 226 printf("%s: Could not find data bulk in\n", 227 USBDEVNAME(sc->sc_dev)); 228 goto bad; 229 } 230 if (uca.bulkout == -1) { 231 printf("%s: Could not find data bulk out\n", 232 USBDEVNAME(sc->sc_dev)); 233 goto bad; 234 } 235 236 err = uvisor_init(sc); 237 if (err) { 238 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 239 usbd_errstr(err)); 240 goto bad; 241 } 242 243 uca.portno = UCOM_UNK_PORTNO; 244 DPRINTF(("uvisor: in=%d out=%d\n", uca.bulkin, uca.bulkout)); 245 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 246 247 USB_ATTACH_SUCCESS_RETURN; 248 249 bad: 250 DPRINTF(("uvisor_attach: ATTACH ERROR\n")); 251 sc->sc_dying = 1; 252 USB_ATTACH_ERROR_RETURN; 253 } 254 255 int 256 uvisor_activate(self, act) 257 device_ptr_t self; 258 enum devact act; 259 { 260 struct uvisor_softc *sc = (struct uvisor_softc *)self; 261 int rv = 0; 262 263 switch (act) { 264 case DVACT_ACTIVATE: 265 return (EOPNOTSUPP); 266 break; 267 268 case DVACT_DEACTIVATE: 269 if (sc->sc_subdev != NULL) 270 rv = config_deactivate(sc->sc_subdev); 271 sc->sc_dying = 1; 272 break; 273 } 274 return (rv); 275 } 276 277 int 278 uvisor_detach(self, flags) 279 device_ptr_t self; 280 int flags; 281 { 282 struct uvisor_softc *sc = (struct uvisor_softc *)self; 283 int rv = 0; 284 285 DPRINTF(("uvisor_detach: sc=%p flags=%d\n", sc, flags)); 286 sc->sc_dying = 1; 287 if (sc->sc_subdev != NULL) { 288 rv = config_detach(sc->sc_subdev, flags); 289 sc->sc_subdev = NULL; 290 } 291 return (0); 292 } 293 294 usbd_status 295 uvisor_init(sc) 296 struct uvisor_softc *sc; 297 { 298 usbd_status err; 299 usb_device_request_t req; 300 struct uvisor_connection_info coninfo; 301 int actlen; 302 uWord avail; 303 304 DPRINTF(("uvisor_init: getting connection info\n")); 305 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 306 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 307 USETW(req.wValue, 0); 308 USETW(req.wIndex, 0); 309 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 310 err = usbd_do_request_flags(sc->sc_udev, &req, &coninfo, 311 USBD_SHORT_XFER_OK, &actlen); 312 if (err) 313 return (err); 314 315 #ifdef UVISOR_DEBUG 316 { 317 int i, np; 318 char *string; 319 320 np = UGETW(coninfo.num_ports); 321 printf("%s: Number of ports: %d", USBDEVNAME(sc->sc_dev), np); 322 for (i = 0; i < np; ++i) { 323 switch (coninfo.connections[i].port_function_id) { 324 case UVISOR_FUNCTION_GENERIC: 325 string = "Generic"; 326 break; 327 case UVISOR_FUNCTION_DEBUGGER: 328 string = "Debugger"; 329 break; 330 case UVISOR_FUNCTION_HOTSYNC: 331 string = "HotSync"; 332 break; 333 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 334 string = "Remote File System"; 335 break; 336 default: 337 string = "unknown"; 338 break; 339 } 340 printf("%s: port %d, is for %s", USBDEVNAME(sc->sc_dev), 341 coninfo.connections[i].port, string); 342 } 343 } 344 #endif 345 346 DPRINTF(("uvisor_init: getting available bytes\n")); 347 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 348 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 349 USETW(req.wValue, 0); 350 USETW(req.wIndex, 5); 351 USETW(req.wLength, sizeof avail); 352 err = usbd_do_request(sc->sc_udev, &req, &avail); 353 if (err) 354 return (err); 355 DPRINTF(("uvisor_init: avail=%d\n", UGETW(avail))); 356 357 DPRINTF(("uvisor_init: done\n")); 358 return (err); 359 } 360 361 void 362 uvisor_close(addr, portno) 363 void *addr; 364 int portno; 365 { 366 struct uvisor_softc *sc = addr; 367 usb_device_request_t req; 368 struct uvisor_connection_info coninfo; /* XXX ? */ 369 int actlen; 370 371 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 372 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 373 USETW(req.wValue, 0); 374 USETW(req.wIndex, 0); 375 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 376 (void)usbd_do_request_flags(sc->sc_udev, &req, &coninfo, 377 USBD_SHORT_XFER_OK, &actlen); 378 } 379
Indexes created Tue Sep 30 20:09:53 GMT 2025