uvisor.c revision 1.6
1 /* $NetBSD: uvisor.c,v 1.6 2000/04/27 15:26:52 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 (lennart (at) 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 * 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 (Palmpilot compatible PDA) 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 = 0; 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 #define UVISORIBUFSIZE 1024 119 #define UVISOROBUFSIZE 1024 120 121 struct uvisor_softc { 122 USBBASEDEVICE sc_dev; /* base device */ 123 usbd_device_handle sc_udev; /* device */ 124 usbd_interface_handle sc_iface; /* interface */ 125 126 device_ptr_t sc_subdev; 127 128 u_char sc_dying; 129 }; 130 131 Static usbd_status uvisor_init __P((struct uvisor_softc *)); 132 133 Static void uvisor_close __P((void *, int)); 134 135 136 struct ucom_methods uvisor_methods = { 137 NULL, 138 NULL, 139 NULL, 140 NULL, 141 NULL, 142 uvisor_close, 143 NULL, 144 NULL, 145 }; 146 147 USB_DECLARE_DRIVER(uvisor); 148 149 USB_MATCH(uvisor) 150 { 151 USB_MATCH_START(uvisor, uaa); 152 153 if (uaa->iface != NULL) 154 return (UMATCH_NONE); 155 156 DPRINTFN(20,("uvisor: vendor=0x%x, product=0x%x\n", 157 uaa->vendor, uaa->product)); 158 159 if (uaa->vendor == USB_VENDOR_HANDSPRING && 160 uaa->product == USB_PRODUCT_HANDSPRING_VISOR) 161 return (UMATCH_VENDOR_PRODUCT); 162 163 return (UMATCH_NONE); 164 } 165 166 USB_ATTACH(uvisor) 167 { 168 USB_ATTACH_START(uvisor, sc, uaa); 169 usbd_device_handle dev = uaa->device; 170 usbd_interface_handle iface; 171 usb_interface_descriptor_t *id; 172 usb_endpoint_descriptor_t *ed; 173 char devinfo[1024]; 174 char *devname = USBDEVNAME(sc->sc_dev); 175 int i; 176 usbd_status err; 177 struct ucom_attach_args uca; 178 179 DPRINTFN(10,("\nuvisor_attach: sc=%p\n", sc)); 180 181 /* Move the device into the configured state. */ 182 err = usbd_set_config_index(dev, UVISOR_CONFIG_INDEX, 1); 183 if (err) { 184 printf("\n%s: failed to set configuration, err=%s\n", 185 devname, usbd_errstr(err)); 186 goto bad; 187 } 188 189 err = usbd_device2interface_handle(dev, UVISOR_IFACE_INDEX, &iface); 190 if (err) { 191 printf("\n%s: failed to get interface, err=%s\n", 192 devname, usbd_errstr(err)); 193 goto bad; 194 } 195 196 usbd_devinfo(dev, 0, devinfo); 197 USB_ATTACH_SETUP; 198 printf("%s: %s\n", devname, devinfo); 199 200 id = usbd_get_interface_descriptor(iface); 201 202 sc->sc_udev = dev; 203 sc->sc_iface = iface; 204 205 uca.bulkin = uca.bulkout = -1; 206 for (i = 0; i < id->bNumEndpoints; i++) { 207 int addr, dir, attr; 208 ed = usbd_interface2endpoint_descriptor(iface, i); 209 if (ed == NULL) { 210 printf("%s: could not read endpoint descriptor" 211 ": %s\n", devname, usbd_errstr(err)); 212 goto bad; 213 } 214 215 addr = ed->bEndpointAddress; 216 dir = UE_GET_DIR(ed->bEndpointAddress); 217 attr = ed->bmAttributes & UE_XFERTYPE; 218 if (dir == UE_DIR_IN && attr == UE_BULK) 219 uca.bulkin = addr; 220 else if (dir == UE_DIR_OUT && attr == UE_BULK) 221 uca.bulkout = addr; 222 else { 223 printf("%s: unexpected endpoint\n", devname); 224 goto bad; 225 } 226 } 227 if (uca.bulkin == -1) { 228 printf("%s: Could not find data bulk in\n", 229 USBDEVNAME(sc->sc_dev)); 230 goto bad; 231 } 232 if (uca.bulkout == -1) { 233 printf("%s: Could not find data bulk out\n", 234 USBDEVNAME(sc->sc_dev)); 235 goto bad; 236 } 237 238 uca.portno = UCOM_UNK_PORTNO; 239 /* bulkin, bulkout set above */ 240 uca.ibufsize = UVISORIBUFSIZE; 241 uca.obufsize = UVISOROBUFSIZE; 242 uca.ibufsizepad = UVISORIBUFSIZE; 243 uca.obufsizepad = UVISOROBUFSIZE; 244 uca.device = dev; 245 uca.iface = iface; 246 uca.methods = &uvisor_methods; 247 uca.arg = sc; 248 249 err = uvisor_init(sc); 250 if (err) { 251 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 252 usbd_errstr(err)); 253 goto bad; 254 } 255 256 DPRINTF(("uvisor: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 257 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 258 259 USB_ATTACH_SUCCESS_RETURN; 260 261 bad: 262 DPRINTF(("uvisor_attach: ATTACH ERROR\n")); 263 sc->sc_dying = 1; 264 USB_ATTACH_ERROR_RETURN; 265 } 266 267 int 268 uvisor_activate(self, act) 269 device_ptr_t self; 270 enum devact act; 271 { 272 struct uvisor_softc *sc = (struct uvisor_softc *)self; 273 int rv = 0; 274 275 switch (act) { 276 case DVACT_ACTIVATE: 277 return (EOPNOTSUPP); 278 break; 279 280 case DVACT_DEACTIVATE: 281 if (sc->sc_subdev != NULL) 282 rv = config_deactivate(sc->sc_subdev); 283 sc->sc_dying = 1; 284 break; 285 } 286 return (rv); 287 } 288 289 int 290 uvisor_detach(self, flags) 291 device_ptr_t self; 292 int flags; 293 { 294 struct uvisor_softc *sc = (struct uvisor_softc *)self; 295 int rv = 0; 296 297 DPRINTF(("uvisor_detach: sc=%p flags=%d\n", sc, flags)); 298 sc->sc_dying = 1; 299 if (sc->sc_subdev != NULL) { 300 rv = config_detach(sc->sc_subdev, flags); 301 sc->sc_subdev = NULL; 302 } 303 return (0); 304 } 305 306 usbd_status 307 uvisor_init(sc) 308 struct uvisor_softc *sc; 309 { 310 usbd_status err; 311 usb_device_request_t req; 312 struct uvisor_connection_info coninfo; 313 int actlen; 314 uWord avail; 315 316 DPRINTF(("uvisor_init: getting connection info\n")); 317 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 318 req.bRequest = UVISOR_GET_CONNECTION_INFORMATION; 319 USETW(req.wValue, 0); 320 USETW(req.wIndex, 0); 321 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 322 err = usbd_do_request_flags(sc->sc_udev, &req, &coninfo, 323 USBD_SHORT_XFER_OK, &actlen); 324 if (err) 325 return (err); 326 327 #ifdef UVISOR_DEBUG 328 { 329 int i, np; 330 char *string; 331 332 np = UGETW(coninfo.num_ports); 333 printf("%s: Number of ports: %d\n", USBDEVNAME(sc->sc_dev), np); 334 for (i = 0; i < np; ++i) { 335 switch (coninfo.connections[i].port_function_id) { 336 case UVISOR_FUNCTION_GENERIC: 337 string = "Generic"; 338 break; 339 case UVISOR_FUNCTION_DEBUGGER: 340 string = "Debugger"; 341 break; 342 case UVISOR_FUNCTION_HOTSYNC: 343 string = "HotSync"; 344 break; 345 case UVISOR_FUNCTION_REMOTE_FILE_SYS: 346 string = "Remote File System"; 347 break; 348 default: 349 string = "unknown"; 350 break; 351 } 352 printf("%s: port %d, is for %s\n", 353 USBDEVNAME(sc->sc_dev), coninfo.connections[i].port, 354 string); 355 } 356 } 357 #endif 358 359 DPRINTF(("uvisor_init: getting available bytes\n")); 360 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; 361 req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE; 362 USETW(req.wValue, 0); 363 USETW(req.wIndex, 5); 364 USETW(req.wLength, sizeof avail); 365 err = usbd_do_request(sc->sc_udev, &req, &avail); 366 if (err) 367 return (err); 368 DPRINTF(("uvisor_init: avail=%d\n", UGETW(avail))); 369 370 DPRINTF(("uvisor_init: done\n")); 371 return (err); 372 } 373 374 void 375 uvisor_close(addr, portno) 376 void *addr; 377 int portno; 378 { 379 struct uvisor_softc *sc = addr; 380 usb_device_request_t req; 381 struct uvisor_connection_info coninfo; /* XXX ? */ 382 int actlen; 383 384 if (sc->sc_dying) 385 return; 386 387 req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */ 388 req.bRequest = UVISOR_CLOSE_NOTIFICATION; 389 USETW(req.wValue, 0); 390 USETW(req.wIndex, 0); 391 USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE); 392 (void)usbd_do_request_flags(sc->sc_udev, &req, &coninfo, 393 USBD_SHORT_XFER_OK, &actlen); 394 } 395
Indexes created Tue Sep 30 20:09:53 GMT 2025