1 /* $NetBSD: uvisor.c,v 1.42 2009/11/12 20:01:15 dyoung 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 (lennart@augustsson.net) 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Handspring Visor (Palmpilot compatible PDA) driver 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: uvisor.c,v 1.42 2009/11/12 20:01:15 dyoung Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/device.h> 44 #include <sys/conf.h> 45 #include <sys/tty.h> 46 47 #include <dev/usb/usb.h> 48 49 #include <dev/usb/usbdi.h> 50 #include <dev/usb/usbdi_util.h> 51 #include <dev/usb/usbdevs.h> 52 53 #include <dev/usb/ucomvar.h> 54 55 #ifdef UVISOR_DEBUG 56 #define DPRINTF(x) if (uvisordebug) printf x 57 #define DPRINTFN(n,x) if (uvisordebug>(n)) printf x 58 int uvisordebug = 0; 59 #else 60 #define DPRINTF(x) 61 #define DPRINTFN(n,x) 62 #endif 63 64 #define UVISOR_CONFIG_INDEX 0 65 #define UVISOR_IFACE_INDEX 0 66 67 /* From the Linux driver */ 68 /* 69 * UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that 70 * are available to be transfered to the host for the specified endpoint. 71 * Currently this is not used, and always returns 0x0001 72 */ 73 #define UVISOR_REQUEST_BYTES_AVAILABLE 0x01 74 75 /* 76 * UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host 77 * is now closing the pipe. An empty packet is sent in response. 78 */ 79 #define UVISOR_CLOSE_NOTIFICATION 0x02 80 81 /* 82 * UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to 83 * get the endpoints used by the connection. 84 */ 85 #define UVISOR_GET_CONNECTION_INFORMATION 0x03 86 87 88 /* 89 * UVISOR_GET_CONNECTION_INFORMATION returns data in the following format 90 */ 91 #define UVISOR_MAX_CONN 8 92 struct uvisor_connection_info { 93 uWord num_ports; 94 struct { 95 uByte port_function_id; 96 uByte port; 97 } connections[UVISOR_MAX_CONN]; 98 }; 99 #define UVISOR_CONNECTION_INFO_SIZE 18 100 101 /* struct uvisor_connection_info.connection[x].port_function_id defines: */ 102 #define UVISOR_FUNCTION_GENERIC 0x00 103 #define UVISOR_FUNCTION_DEBUGGER 0x01 104 #define UVISOR_FUNCTION_HOTSYNC 0x02 105 #define UVISOR_FUNCTION_CONSOLE 0x03 106 #define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04 107 108 /* 109 * Unknown PalmOS stuff. 110 */ 111 #define UVISOR_GET_PALM_INFORMATION 0x04 112 #define UVISOR_GET_PALM_INFORMATION_LEN 0x44 113 114 struct uvisor_palm_connection_info { 115 uByte num_ports; 116 uByte endpoint_numbers_different; 117 uWord reserved1; 118 struct { 119 uDWord port_function_id; 120 uByte port; 121 uByte end_point_info; 122 uWord reserved; 123 } connections[UVISOR_MAX_CONN]; 124 }; 125 126 127 128 #define UVISORIBUFSIZE 64 129 #define UVISOROBUFSIZE 1024 130 131 struct uvisor_softc { 132 USBBASEDEVICE sc_dev; /* base device */ 133 usbd_device_handle sc_udev; /* device */ 134 usbd_interface_handle sc_iface; /* interface */ 135 136 device_ptr_t sc_subdevs[UVISOR_MAX_CONN]; 137 int sc_numcon; 138 139 u_int16_t sc_flags; 140 141 u_char sc_dying; 142 }; 143 144 Static usbd_status uvisor_init(struct uvisor_softc *, 145 struct uvisor_connection_info *, 146 struct uvisor_palm_connection_info *); 147 148 Static void uvisor_close(void *, int); 149 150 151 struct ucom_methods uvisor_methods = { 152 NULL, 153 NULL, 154 NULL, 155 NULL, 156 NULL, 157 uvisor_close, 158 NULL, 159 NULL, 160 }; 161 162 struct uvisor_type { 163 struct usb_devno uv_dev; 164 u_int16_t uv_flags; 165 #define PALM4 0x0001 166 #define VISOR 0x0002 167 168 }; 169 static const struct uvisor_type uvisor_devs[] = { 170 {{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_VISOR }, VISOR }, 171 {{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO }, PALM4 }, 172 {{ USB_VENDOR_HANDSPRING, USB_PRODUCT_HANDSPRING_TREO600 }, PALM4 }, 173 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M500 }, PALM4 }, 174 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M505 }, PALM4 }, 175 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M515 }, PALM4 }, 176 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_I705 }, PALM4 }, 177 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M125 }, PALM4 }, 178 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_M130 }, PALM4 }, 179 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_Z }, PALM4 }, 180 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_TUNGSTEN_T }, PALM4 }, 181 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE31 }, PALM4 }, 182 {{ USB_VENDOR_PALM, USB_PRODUCT_PALM_ZIRE }, PALM4 }, 183 {{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_40 }, PALM4 }, 184 {{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_41 }, PALM4 }, 185 {{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_S360 }, PALM4 }, 186 {{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_NX60 }, PALM4 }, 187 {{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_35 }, 0 }, 188 /* {{ USB_VENDOR_SONY, USB_PRODUCT_SONY_CLIE_25 }, PALM4 },*/ 189 }; 190 #define uvisor_lookup(v, p) ((const struct uvisor_type *)usb_lookup(uvisor_devs, v, p)) 191 192 int uvisor_match(device_t, cfdata_t, void *); 193 void uvisor_attach(device_t, device_t, void *); 194 void uvisor_childdet(device_t, device_t); 195 int uvisor_detach(device_t, int); 196 int uvisor_activate(device_t, enum devact); 197 extern struct cfdriver uvisor_cd; 198 CFATTACH_DECL2_NEW(uvisor, sizeof(struct uvisor_softc), uvisor_match, 199 uvisor_attach, uvisor_detach, uvisor_activate, NULL, uvisor_childdet); 200 201 USB_MATCH(uvisor) 202 { 203 USB_MATCH_START(uvisor, uaa); 204 205 DPRINTFN(20,("uvisor: vendor=0x%x, product=0x%x\n", 206 uaa->vendor, uaa->product)); 207 208 return (uvisor_lookup(uaa->vendor, uaa->product) != NULL ? 209 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 210 } 211 212 USB_ATTACH(uvisor) 213 { 214 USB_ATTACH_START(uvisor, sc, uaa); 215 usbd_device_handle dev = uaa->device; 216 usbd_interface_handle iface; 217 usb_interface_descriptor_t *id; 218 struct uvisor_connection_info coninfo; 219 struct uvisor_palm_connection_info palmconinfo; 220 usb_endpoint_descriptor_t *ed; 221 char *devinfop; 222 const char *devname = device_xname(self); 223 int i, j, hasin, hasout, port; 224 usbd_status err; 225 struct ucom_attach_args uca; 226 227 DPRINTFN(10,("\nuvisor_attach: sc=%p\n", sc)); 228 229 sc->sc_dev = self; 230 231 aprint_naive("\n"); 232 aprint_normal("\n"); 233 234 devinfop = usbd_devinfo_alloc(dev, 0); 235 aprint_normal_dev(self, "%s\n", devinfop); 236 usbd_devinfo_free(devinfop); 237 238 /* Move the device into the configured state. */ 239 err = usbd_set_config_index(dev, UVISOR_CONFIG_INDEX, 1); 240 if (err) { 241 aprint_error("\n%s: failed to set configuration, err=%s\n", 242 devname, usbd_errstr(err)); 243 goto bad; 244 } 245 246 err = usbd_device2interface_handle(dev, UVISOR_IFACE_INDEX, &iface); 247 if (err) { 248 aprint_error("\n%s: failed to get interface, err=%s\n", 249 devname, usbd_errstr(err)); 250 goto bad; 251 } 252 253 sc->sc_flags = uvisor_lookup(uaa->vendor, uaa->product)->uv_flags; 254 255 if ((sc->sc_flags & (VISOR | PALM4)) == 0) { 256 aprint_error_dev(self, 257 "init failed, device type is neither visor nor palm\n"); 258 goto bad; 259 } 260 261 id = usbd_get_interface_descriptor(iface); 262 263 sc->sc_udev = dev; 264 sc->sc_iface = iface; 265 266 uca.ibufsize = UVISORIBUFSIZE; 267 uca.obufsize = UVISOROBUFSIZE; 268 uca.ibufsizepad = UVISORIBUFSIZE; 269 uca.opkthdrlen = 0; 270 uca.device = dev; 271 uca.iface = iface; 272 uca.methods = &uvisor_methods; 273 uca.arg = sc; 274 275 err = uvisor_init(sc, &coninfo, &palmconinfo); 276 if (err) { 277 aprint_error_dev(self, "init failed, %s\n", usbd_errstr(err)); 278 goto bad; 279 } 280 281 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 282 USBDEV(sc->sc_dev)); 283 284 if (sc->sc_flags & VISOR) { 285 sc->sc_numcon = UGETW(coninfo.num_ports); 286 if (sc->sc_numcon > UVISOR_MAX_CONN) 287 sc->sc_numcon = UVISOR_MAX_CONN; 288 289 /* Attach a ucom for each connection. */ 290 for (i = 0; i < sc->sc_numcon; ++i) { 291 switch (coninfo.connections[i].port_function_id) { 292 case UVISOR_FUNCTION_GENERIC: 293 uca.info = "Generic"; 294 break; 295 case UVISOR_FUNCTION_DEBUGGER: 296 uca.info = "Debugger"; 297 break; 298 case UVISOR_FUNCTION_HOTSYNC: 299 uca.info = "HotSync"; 300 break; 301 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 302 uca.info = "Remote File System"; 303 break; 304 default: 305 uca.info = "unknown"; 306 break; 307 } 308 port = coninfo.connections[i].port; 309 uca.portno = port; 310 uca.bulkin = port | UE_DIR_IN; 311 uca.bulkout = port | UE_DIR_OUT; 312 /* Verify that endpoints exist. */ 313 hasin = 0; 314 hasout = 0; 315 for (j = 0; j < id->bNumEndpoints; j++) { 316 ed = usbd_interface2endpoint_descriptor(iface, j); 317 if (ed == NULL) 318 break; 319 if (UE_GET_ADDR(ed->bEndpointAddress) == port && 320 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 321 if (UE_GET_DIR(ed->bEndpointAddress) 322 == UE_DIR_IN) 323 hasin++; 324 else 325 hasout++; 326 } 327 } 328 if (hasin == 1 && hasout == 1) 329 sc->sc_subdevs[i] = config_found_sm_loc(self, 330 "ucombus", NULL, &uca, 331 ucomprint, ucomsubmatch); 332 else 333 aprint_error_dev(self, 334 "no proper endpoints for port %d (%d,%d)\n", 335 port, hasin, hasout); 336 } 337 338 } else { 339 sc->sc_numcon = palmconinfo.num_ports; 340 if (sc->sc_numcon > UVISOR_MAX_CONN) 341 sc->sc_numcon = UVISOR_MAX_CONN; 342 343 /* Attach a ucom for each connection. */ 344 for (i = 0; i < sc->sc_numcon; ++i) { 345 /* 346 * XXX this should copy out 4-char string from the 347 * XXX port_function_id, but where would the string go? 348 * XXX uca.info is a const char *, not an array. 349 */ 350 uca.info = "sync"; 351 uca.portno = i; 352 if (palmconinfo.endpoint_numbers_different) { 353 port = palmconinfo.connections[i].end_point_info; 354 uca.bulkin = (port >> 4) | UE_DIR_IN; 355 uca.bulkout = (port & 0xf) | UE_DIR_OUT; 356 } else { 357 port = palmconinfo.connections[i].port; 358 uca.bulkin = port | UE_DIR_IN; 359 uca.bulkout = port | UE_DIR_OUT; 360 } 361 sc->sc_subdevs[i] = config_found_sm_loc(self, "ucombus", 362 NULL, &uca, ucomprint, ucomsubmatch); 363 364 365 } 366 } 367 368 USB_ATTACH_SUCCESS_RETURN; 369 370 bad: 371 DPRINTF(("uvisor_attach: ATTACH ERROR\n")); 372 sc->sc_dying = 1; 373 USB_ATTACH_ERROR_RETURN; 374 } 375 376 int 377 uvisor_activate(device_ptr_t self, enum devact act) 378 { 379 struct uvisor_softc *sc = device_private(self); 380 381 switch (act) { 382 case DVACT_DEACTIVATE: 383 sc->sc_dying = 1; 384 return 0; 385 default: 386 return EOPNOTSUPP; 387 } 388 } 389 390 void 391 uvisor_childdet(device_t self, device_t child) 392 { 393 int i; 394 struct uvisor_softc *sc = device_private(self); 395 396 for (i = 0; i < sc->sc_numcon; i++) { 397 if (sc->sc_subdevs[i] == child) 398 break; 399 } 400 KASSERT(i < sc->sc_numcon); 401 sc->sc_subdevs[i] = NULL; 402 } 403 404 int 405 uvisor_detach(device_t self, int flags) 406 { 407 struct uvisor_softc *sc = device_private(self); 408 int rv = 0; 409 int i; 410 411 DPRINTF(("uvisor_detach: sc=%p flags=%d\n", sc, flags)); 412 sc->sc_dying = 1; 413 for (i = 0; i < sc->sc_numcon; i++) { 414 if (sc->sc_subdevs[i] != NULL) 415 rv |= config_detach(sc->sc_subdevs[i], flags); 416 } 417 418 if (sc->sc_udev) 419 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 420 USBDEV(sc->sc_dev)); 421 422 423 return (rv); 424 } 425 426 usbd_status 427 uvisor_init(struct uvisor_softc *sc, struct uvisor_connection_info *ci, 428 struct uvisor_palm_connection_info *cpi) 429 { 430 usbd_status err; 431 usb_device_request_t req; 432 int actlen; 433 uWord avail; 434 435 if (sc->sc_flags & VISOR) { 436 DPRINTF(("uvisor_init: getting Visor connection info\n")); 437 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 438 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 439 USETW(req.wValue, 0); 440 USETW(req.wIndex, 0); 441 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 442 err = usbd_do_request_flags(sc->sc_udev, &req, ci, 443 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 444 if (err) 445 return (err); 446 } 447 448 if (sc->sc_flags & PALM4) { 449 DPRINTF(("uvisor_init: getting Palm connection info\n")); 450 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 451 req.bRequest = UVISOR_GET_PALM_INFORMATION; 452 USETW(req.wValue, 0); 453 USETW(req.wIndex, 0); 454 USETW(req.wLength, UVISOR_GET_PALM_INFORMATION_LEN); 455 err = usbd_do_request_flags(sc->sc_udev, &req, cpi, 456 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 457 if (err) 458 return (err); 459 } 460 461 DPRINTF(("uvisor_init: getting available bytes\n")); 462 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 463 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 464 USETW(req.wValue, 0); 465 USETW(req.wIndex, 5); 466 USETW(req.wLength, sizeof avail); 467 err = usbd_do_request(sc->sc_udev, &req, &avail); 468 if (err) 469 return (err); 470 DPRINTF(("uvisor_init: avail=%d\n", UGETW(avail))); 471 472 DPRINTF(("uvisor_init: done\n")); 473 return (err); 474 } 475 476 void 477 uvisor_close(void *addr, int portno) 478 { 479 struct uvisor_softc *sc = addr; 480 usb_device_request_t req; 481 struct uvisor_connection_info coninfo; /* XXX ? */ 482 int actlen; 483 484 if (sc->sc_dying) 485 return; 486 487 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 488 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 489 USETW(req.wValue, 0); 490 USETW(req.wIndex, 0); 491 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 492 (void)usbd_do_request_flags(sc->sc_udev, &req, &coninfo, 493 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 494 } 495