uipaq.c revision 1.9
1 /* $NetBSD: uipaq.c,v 1.9 2008/02/18 05:24:24 dyoung Exp $ */ 2 /* $OpenBSD: uipaq.c,v 1.1 2005/06/17 23:50:33 deraadt Exp $ */ 3 4 /* 5 * Copyright (c) 2000-2005 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart (at) augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * iPAQ driver 43 * 44 * 19 July 2003: Incorporated changes suggested by Sam Lawrance from 45 * the uppc module 46 * 47 * 48 * Contact isis (at) cs.umd.edu if you have any questions/comments about this driver 49 */ 50 51 #include <sys/cdefs.h> 52 __KERNEL_RCSID(0, "$NetBSD: uipaq.c,v 1.9 2008/02/18 05:24:24 dyoung Exp $"); 53 54 #include <sys/param.h> 55 #include <sys/systm.h> 56 #include <sys/kernel.h> 57 #include <sys/device.h> 58 #include <sys/conf.h> 59 #include <sys/tty.h> 60 61 #include <dev/usb/usb.h> 62 63 #include <dev/usb/usbcdc.h> /*UCDC_* stuff */ 64 65 #include <dev/usb/usbdi.h> 66 #include <dev/usb/usbdi_util.h> 67 #include <dev/usb/usbdevs.h> 68 69 #include <dev/usb/ucomvar.h> 70 71 #ifdef UIPAQ_DEBUG 72 #define DPRINTF(x) if (uipaqdebug) printf x 73 #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x 74 int uipaqdebug = 0; 75 #else 76 #define DPRINTF(x) 77 #define DPRINTFN(n,x) 78 #endif 79 80 #define UIPAQ_CONFIG_NO 1 81 #define UIPAQ_IFACE_INDEX 0 82 83 #define UIPAQIBUFSIZE 1024 84 #define UIPAQOBUFSIZE 1024 85 86 struct uipaq_softc { 87 USBBASEDEVICE sc_dev; /* base device */ 88 usbd_device_handle sc_udev; /* device */ 89 usbd_interface_handle sc_iface; /* interface */ 90 91 device_t sc_subdev; /* ucom uses that */ 92 u_int16_t sc_lcr; /* state for DTR/RTS */ 93 94 u_int16_t sc_flags; 95 96 u_char sc_dying; 97 }; 98 99 /* Callback routines */ 100 Static void uipaq_set(void *, int, int, int); 101 102 103 /* Support routines. */ 104 /* based on uppc module by Sam Lawrance */ 105 Static void uipaq_dtr(struct uipaq_softc *sc, int onoff); 106 Static void uipaq_rts(struct uipaq_softc *sc, int onoff); 107 Static void uipaq_break(struct uipaq_softc* sc, int onoff); 108 109 110 struct ucom_methods uipaq_methods = { 111 NULL, 112 uipaq_set, 113 NULL, 114 NULL, 115 NULL, /*open*/ 116 NULL, /*close*/ 117 NULL, 118 NULL 119 }; 120 121 struct uipaq_type { 122 struct usb_devno uv_dev; 123 u_int16_t uv_flags; 124 }; 125 126 static const struct uipaq_type uipaq_devs[] = { 127 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 128 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 129 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 130 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 131 {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS007SH} , 0} 132 }; 133 134 #define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 135 136 int uipaq_match(device_t, struct cfdata *, void *); 137 void uipaq_attach(device_t, device_t, void *); 138 void uipaq_childdet(device_t, device_t); 139 int uipaq_detach(device_t, int); 140 int uipaq_activate(device_t, enum devact); 141 extern struct cfdriver uipaq_cd; 142 CFATTACH_DECL2(uipaq, sizeof(struct uipaq_softc), uipaq_match, 143 uipaq_attach, uipaq_detach, uipaq_activate, NULL, uipaq_childdet); 144 145 USB_MATCH(uipaq) 146 { 147 USB_MATCH_START(uipaq, uaa); 148 149 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 150 uaa->vendor, uaa->product)); 151 152 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 153 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 154 } 155 156 USB_ATTACH(uipaq) 157 { 158 USB_ATTACH_START(uipaq, sc, uaa); 159 usbd_device_handle dev = uaa->device; 160 usbd_interface_handle iface; 161 usb_interface_descriptor_t *id; 162 usb_endpoint_descriptor_t *ed; 163 char *devinfop; 164 char *devname = USBDEVNAME(sc->sc_dev); 165 int i; 166 usbd_status err; 167 struct ucom_attach_args uca; 168 169 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 170 171 /* Move the device into the configured state. */ 172 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 173 if (err) { 174 printf("\n%s: failed to set configuration, err=%s\n", 175 devname, usbd_errstr(err)); 176 goto bad; 177 } 178 179 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 180 if (err) { 181 printf("\n%s: failed to get interface, err=%s\n", 182 devname, usbd_errstr(err)); 183 goto bad; 184 } 185 186 devinfop = usbd_devinfo_alloc(dev, 0); 187 USB_ATTACH_SETUP; 188 printf("%s: %s\n", devname, devinfop); 189 usbd_devinfo_free(devinfop); 190 191 sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags; 192 193 id = usbd_get_interface_descriptor(iface); 194 195 sc->sc_udev = dev; 196 sc->sc_iface = iface; 197 198 uca.ibufsize = UIPAQIBUFSIZE; 199 uca.obufsize = UIPAQOBUFSIZE; 200 uca.ibufsizepad = UIPAQIBUFSIZE; 201 uca.opkthdrlen = 0; 202 uca.device = dev; 203 uca.iface = iface; 204 uca.methods = &uipaq_methods; 205 uca.arg = sc; 206 uca.portno = UCOM_UNK_PORTNO; 207 uca.info = "Generic"; 208 209 /* err = uipaq_init(sc); 210 if (err) { 211 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 212 usbd_errstr(err)); 213 goto bad; 214 }*/ 215 216 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 217 USBDEV(sc->sc_dev)); 218 219 uca.bulkin = uca.bulkout = -1; 220 for (i=0; i<id->bNumEndpoints; i++) { 221 ed = usbd_interface2endpoint_descriptor(iface, i); 222 if (ed == NULL) { 223 printf("%s: no endpoint descriptor for %d\n", 224 devname,i); 225 goto bad; 226 } 227 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 228 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 229 uca.bulkin = ed->bEndpointAddress; 230 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 231 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 232 uca.bulkout = ed->bEndpointAddress; 233 } 234 } 235 if (uca.bulkin == -1 || uca.bulkout == -1) { 236 printf("%s: no proper endpoints found (%d,%d) \n", 237 devname, uca.bulkin, uca.bulkout); 238 USB_ATTACH_ERROR_RETURN; 239 } 240 241 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 242 ucomprint, ucomsubmatch); 243 244 USB_ATTACH_SUCCESS_RETURN; 245 246 bad: 247 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 248 sc->sc_dying = 1; 249 USB_ATTACH_ERROR_RETURN; 250 } 251 252 253 void 254 uipaq_dtr(struct uipaq_softc* sc, int onoff) 255 { 256 usb_device_request_t req; 257 usbd_status err; 258 int retries = 3; 259 260 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 261 262 /* Avoid sending unnecessary requests */ 263 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 264 return; 265 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 266 return; 267 268 /* Other parameters depend on reg */ 269 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 270 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 271 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 272 USETW(req.wValue, sc->sc_lcr); 273 USETW(req.wIndex, 0x0); 274 USETW(req.wLength, 0); 275 276 /* Fire off the request a few times if necessary */ 277 while (retries) { 278 err = usbd_do_request(sc->sc_udev, &req, NULL); 279 if (!err) 280 break; 281 retries--; 282 } 283 } 284 285 286 void 287 uipaq_rts(struct uipaq_softc* sc, int onoff) 288 { 289 usb_device_request_t req; 290 usbd_status err; 291 int retries = 3; 292 293 DPRINTF(("%s: uipaq_rts: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 294 295 /* Avoid sending unnecessary requests */ 296 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 297 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 298 299 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 300 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 301 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 302 USETW(req.wValue, sc->sc_lcr); 303 USETW(req.wIndex, 0x0); 304 USETW(req.wLength, 0); 305 306 while (retries) { 307 err = usbd_do_request(sc->sc_udev, &req, NULL); 308 if (!err) 309 break; 310 retries--; 311 } 312 } 313 314 315 void 316 uipaq_break(struct uipaq_softc* sc, int onoff) 317 { 318 usb_device_request_t req; 319 usbd_status err; 320 int retries = 3; 321 322 DPRINTF(("%s: uipaq_break: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 323 324 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 325 req.bRequest = UCDC_SEND_BREAK; 326 327 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 328 USETW(req.wIndex, 0x0); 329 USETW(req.wLength, 0); 330 331 while (retries) { 332 err = usbd_do_request(sc->sc_udev, &req, NULL); 333 if (!err) 334 break; 335 retries--; 336 } 337 } 338 339 340 void 341 uipaq_set(void *addr, int portno, int reg, int onoff) 342 { 343 struct uipaq_softc* sc = addr; 344 345 switch (reg) { 346 case UCOM_SET_DTR: 347 uipaq_dtr(addr, onoff); 348 break; 349 case UCOM_SET_RTS: 350 uipaq_rts(addr, onoff); 351 break; 352 case UCOM_SET_BREAK: 353 uipaq_break(addr, onoff); 354 break; 355 default: 356 printf("%s: unhandled set request: reg=%x onoff=%x\n", 357 USBDEVNAME(sc->sc_dev), reg, onoff); 358 return; 359 } 360 } 361 362 363 int 364 uipaq_activate(device_t self, enum devact act) 365 { 366 struct uipaq_softc *sc = device_private(self); 367 int rv = 0; 368 369 switch (act) { 370 case DVACT_ACTIVATE: 371 return (EOPNOTSUPP); 372 break; 373 374 case DVACT_DEACTIVATE: 375 if (sc->sc_subdev != NULL) 376 rv = config_deactivate(sc->sc_subdev); 377 sc->sc_dying = 1; 378 break; 379 } 380 return (rv); 381 } 382 383 void 384 uipaq_childdet(device_t self, device_t child) 385 { 386 struct uipaq_softc *sc = device_private(self); 387 388 KASSERT(sc->sc_subdev == child); 389 sc->sc_subdev = NULL; 390 } 391 392 int 393 uipaq_detach(device_t self, int flags) 394 { 395 struct uipaq_softc *sc = device_private(self); 396 int rv = 0; 397 398 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 399 sc->sc_dying = 1; 400 if (sc->sc_subdev != NULL) 401 rv |= config_detach(sc->sc_subdev, flags); 402 403 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 404 USBDEV(sc->sc_dev)); 405 406 return (rv); 407 } 408 409
Indexes created Wed Sep 24 05:09:52 GMT 2025