uipaq.c revision 1.12
1 /* $NetBSD: uipaq.c,v 1.12 2008/05/24 16:40:58 cube 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 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * iPAQ driver 36 * 37 * 19 July 2003: Incorporated changes suggested by Sam Lawrance from 38 * the uppc module 39 * 40 * 41 * Contact isis (at) cs.umd.edu if you have any questions/comments about this driver 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: uipaq.c,v 1.12 2008/05/24 16:40:58 cube Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/device.h> 51 #include <sys/conf.h> 52 #include <sys/tty.h> 53 54 #include <dev/usb/usb.h> 55 56 #include <dev/usb/usbcdc.h> /*UCDC_* stuff */ 57 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/usbdevs.h> 61 62 #include <dev/usb/ucomvar.h> 63 64 #ifdef UIPAQ_DEBUG 65 #define DPRINTF(x) if (uipaqdebug) printf x 66 #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x 67 int uipaqdebug = 0; 68 #else 69 #define DPRINTF(x) 70 #define DPRINTFN(n,x) 71 #endif 72 73 #define UIPAQ_CONFIG_NO 1 74 #define UIPAQ_IFACE_INDEX 0 75 76 #define UIPAQIBUFSIZE 1024 77 #define UIPAQOBUFSIZE 1024 78 79 struct uipaq_softc { 80 USBBASEDEVICE sc_dev; /* base device */ 81 usbd_device_handle sc_udev; /* device */ 82 usbd_interface_handle sc_iface; /* interface */ 83 84 device_t sc_subdev; /* ucom uses that */ 85 u_int16_t sc_lcr; /* state for DTR/RTS */ 86 87 u_int16_t sc_flags; 88 89 u_char sc_dying; 90 }; 91 92 /* Callback routines */ 93 Static void uipaq_set(void *, int, int, int); 94 95 96 /* Support routines. */ 97 /* based on uppc module by Sam Lawrance */ 98 Static void uipaq_dtr(struct uipaq_softc *sc, int onoff); 99 Static void uipaq_rts(struct uipaq_softc *sc, int onoff); 100 Static void uipaq_break(struct uipaq_softc* sc, int onoff); 101 102 103 struct ucom_methods uipaq_methods = { 104 NULL, 105 uipaq_set, 106 NULL, 107 NULL, 108 NULL, /*open*/ 109 NULL, /*close*/ 110 NULL, 111 NULL 112 }; 113 114 struct uipaq_type { 115 struct usb_devno uv_dev; 116 u_int16_t uv_flags; 117 }; 118 119 static const struct uipaq_type uipaq_devs[] = { 120 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 121 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 122 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 123 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 124 {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS007SH} , 0} 125 }; 126 127 #define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 128 129 int uipaq_match(device_t, cfdata_t, void *); 130 void uipaq_attach(device_t, device_t, void *); 131 void uipaq_childdet(device_t, device_t); 132 int uipaq_detach(device_t, int); 133 int uipaq_activate(device_t, enum devact); 134 extern struct cfdriver uipaq_cd; 135 CFATTACH_DECL2_NEW(uipaq, sizeof(struct uipaq_softc), uipaq_match, 136 uipaq_attach, uipaq_detach, uipaq_activate, NULL, uipaq_childdet); 137 138 USB_MATCH(uipaq) 139 { 140 USB_MATCH_START(uipaq, uaa); 141 142 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 143 uaa->vendor, uaa->product)); 144 145 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 146 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 147 } 148 149 USB_ATTACH(uipaq) 150 { 151 USB_ATTACH_START(uipaq, sc, uaa); 152 usbd_device_handle dev = uaa->device; 153 usbd_interface_handle iface; 154 usb_interface_descriptor_t *id; 155 usb_endpoint_descriptor_t *ed; 156 char *devinfop; 157 const char *devname = device_xname(self); 158 int i; 159 usbd_status err; 160 struct ucom_attach_args uca; 161 162 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 163 164 sc->sc_dev = self; 165 166 /* Move the device into the configured state. */ 167 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 168 if (err) { 169 aprint_error("\n%s: failed to set configuration, err=%s\n", 170 devname, usbd_errstr(err)); 171 goto bad; 172 } 173 174 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 175 if (err) { 176 aprint_error("\n%s: failed to get interface, err=%s\n", 177 devname, usbd_errstr(err)); 178 goto bad; 179 } 180 181 devinfop = usbd_devinfo_alloc(dev, 0); 182 USB_ATTACH_SETUP; 183 aprint_normal_dev(self, "%s\n", devinfop); 184 usbd_devinfo_free(devinfop); 185 186 sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags; 187 188 id = usbd_get_interface_descriptor(iface); 189 190 sc->sc_udev = dev; 191 sc->sc_iface = iface; 192 193 uca.ibufsize = UIPAQIBUFSIZE; 194 uca.obufsize = UIPAQOBUFSIZE; 195 uca.ibufsizepad = UIPAQIBUFSIZE; 196 uca.opkthdrlen = 0; 197 uca.device = dev; 198 uca.iface = iface; 199 uca.methods = &uipaq_methods; 200 uca.arg = sc; 201 uca.portno = UCOM_UNK_PORTNO; 202 uca.info = "Generic"; 203 204 /* err = uipaq_init(sc); 205 if (err) { 206 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 207 usbd_errstr(err)); 208 goto bad; 209 }*/ 210 211 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 212 USBDEV(sc->sc_dev)); 213 214 uca.bulkin = uca.bulkout = -1; 215 for (i=0; i<id->bNumEndpoints; i++) { 216 ed = usbd_interface2endpoint_descriptor(iface, i); 217 if (ed == NULL) { 218 aprint_error_dev(self, 219 "no endpoint descriptor for %d\n", i); 220 goto bad; 221 } 222 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 223 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 224 uca.bulkin = ed->bEndpointAddress; 225 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 226 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 227 uca.bulkout = ed->bEndpointAddress; 228 } 229 } 230 if (uca.bulkin == -1 || uca.bulkout == -1) { 231 aprint_error_dev(self, "no proper endpoints found (%d,%d) \n", 232 uca.bulkin, uca.bulkout); 233 USB_ATTACH_ERROR_RETURN; 234 } 235 236 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 237 ucomprint, ucomsubmatch); 238 239 USB_ATTACH_SUCCESS_RETURN; 240 241 bad: 242 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 243 sc->sc_dying = 1; 244 USB_ATTACH_ERROR_RETURN; 245 } 246 247 248 void 249 uipaq_dtr(struct uipaq_softc* sc, int onoff) 250 { 251 usb_device_request_t req; 252 usbd_status err; 253 int retries = 3; 254 255 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 256 257 /* Avoid sending unnecessary requests */ 258 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 259 return; 260 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 261 return; 262 263 /* Other parameters depend on reg */ 264 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 265 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 266 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 267 USETW(req.wValue, sc->sc_lcr); 268 USETW(req.wIndex, 0x0); 269 USETW(req.wLength, 0); 270 271 /* Fire off the request a few times if necessary */ 272 while (retries) { 273 err = usbd_do_request(sc->sc_udev, &req, NULL); 274 if (!err) 275 break; 276 retries--; 277 } 278 } 279 280 281 void 282 uipaq_rts(struct uipaq_softc* sc, int onoff) 283 { 284 usb_device_request_t req; 285 usbd_status err; 286 int retries = 3; 287 288 DPRINTF(("%s: uipaq_rts: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 289 290 /* Avoid sending unnecessary requests */ 291 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 292 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 293 294 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 295 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 296 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 297 USETW(req.wValue, sc->sc_lcr); 298 USETW(req.wIndex, 0x0); 299 USETW(req.wLength, 0); 300 301 while (retries) { 302 err = usbd_do_request(sc->sc_udev, &req, NULL); 303 if (!err) 304 break; 305 retries--; 306 } 307 } 308 309 310 void 311 uipaq_break(struct uipaq_softc* sc, int onoff) 312 { 313 usb_device_request_t req; 314 usbd_status err; 315 int retries = 3; 316 317 DPRINTF(("%s: uipaq_break: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 318 319 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 320 req.bRequest = UCDC_SEND_BREAK; 321 322 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 323 USETW(req.wIndex, 0x0); 324 USETW(req.wLength, 0); 325 326 while (retries) { 327 err = usbd_do_request(sc->sc_udev, &req, NULL); 328 if (!err) 329 break; 330 retries--; 331 } 332 } 333 334 335 void 336 uipaq_set(void *addr, int portno, int reg, int onoff) 337 { 338 struct uipaq_softc* sc = addr; 339 340 switch (reg) { 341 case UCOM_SET_DTR: 342 uipaq_dtr(addr, onoff); 343 break; 344 case UCOM_SET_RTS: 345 uipaq_rts(addr, onoff); 346 break; 347 case UCOM_SET_BREAK: 348 uipaq_break(addr, onoff); 349 break; 350 default: 351 aprint_error_dev(sc->sc_dev, 352 "unhandled set request: reg=%x onoff=%x\n", reg, onoff); 353 return; 354 } 355 } 356 357 358 int 359 uipaq_activate(device_t self, enum devact act) 360 { 361 struct uipaq_softc *sc = device_private(self); 362 int rv = 0; 363 364 switch (act) { 365 case DVACT_ACTIVATE: 366 return (EOPNOTSUPP); 367 break; 368 369 case DVACT_DEACTIVATE: 370 if (sc->sc_subdev != NULL) 371 rv = config_deactivate(sc->sc_subdev); 372 sc->sc_dying = 1; 373 break; 374 } 375 return (rv); 376 } 377 378 void 379 uipaq_childdet(device_t self, device_t child) 380 { 381 struct uipaq_softc *sc = device_private(self); 382 383 KASSERT(sc->sc_subdev == child); 384 sc->sc_subdev = NULL; 385 } 386 387 int 388 uipaq_detach(device_t self, int flags) 389 { 390 struct uipaq_softc *sc = device_private(self); 391 int rv = 0; 392 393 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 394 sc->sc_dying = 1; 395 if (sc->sc_subdev != NULL) 396 rv |= config_detach(sc->sc_subdev, flags); 397 398 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 399 USBDEV(sc->sc_dev)); 400 401 return (rv); 402 } 403 404
Indexes created Sun Sep 28 12:09:53 GMT 2025