uipaq.c revision 1.15
1 /* $NetBSD: uipaq.c,v 1.15 2009/11/12 19:58:27 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 * 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 1.15 2009/11/12 19:58:27 dyoung 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 {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS011SH} , 0} 126 }; 127 128 #define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 129 130 int uipaq_match(device_t, cfdata_t, void *); 131 void uipaq_attach(device_t, device_t, void *); 132 void uipaq_childdet(device_t, device_t); 133 int uipaq_detach(device_t, int); 134 int uipaq_activate(device_t, enum devact); 135 extern struct cfdriver uipaq_cd; 136 CFATTACH_DECL2_NEW(uipaq, sizeof(struct uipaq_softc), uipaq_match, 137 uipaq_attach, uipaq_detach, uipaq_activate, NULL, uipaq_childdet); 138 139 USB_MATCH(uipaq) 140 { 141 USB_MATCH_START(uipaq, uaa); 142 143 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 144 uaa->vendor, uaa->product)); 145 146 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 147 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 148 } 149 150 USB_ATTACH(uipaq) 151 { 152 USB_ATTACH_START(uipaq, sc, uaa); 153 usbd_device_handle dev = uaa->device; 154 usbd_interface_handle iface; 155 usb_interface_descriptor_t *id; 156 usb_endpoint_descriptor_t *ed; 157 char *devinfop; 158 const char *devname = device_xname(self); 159 int i; 160 usbd_status err; 161 struct ucom_attach_args uca; 162 163 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 164 165 sc->sc_dev = self; 166 167 aprint_naive("\n"); 168 aprint_normal("\n"); 169 170 devinfop = usbd_devinfo_alloc(dev, 0); 171 aprint_normal_dev(self, "%s\n", devinfop); 172 usbd_devinfo_free(devinfop); 173 174 /* Move the device into the configured state. */ 175 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 176 if (err) { 177 aprint_error("\n%s: failed to set configuration, err=%s\n", 178 devname, usbd_errstr(err)); 179 goto bad; 180 } 181 182 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 183 if (err) { 184 aprint_error("\n%s: failed to get interface, err=%s\n", 185 devname, usbd_errstr(err)); 186 goto bad; 187 } 188 189 sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags; 190 191 id = usbd_get_interface_descriptor(iface); 192 193 sc->sc_udev = dev; 194 sc->sc_iface = iface; 195 196 uca.ibufsize = UIPAQIBUFSIZE; 197 uca.obufsize = UIPAQOBUFSIZE; 198 uca.ibufsizepad = UIPAQIBUFSIZE; 199 uca.opkthdrlen = 0; 200 uca.device = dev; 201 uca.iface = iface; 202 uca.methods = &uipaq_methods; 203 uca.arg = sc; 204 uca.portno = UCOM_UNK_PORTNO; 205 uca.info = "Generic"; 206 207 /* err = uipaq_init(sc); 208 if (err) { 209 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 210 usbd_errstr(err)); 211 goto bad; 212 }*/ 213 214 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 215 USBDEV(sc->sc_dev)); 216 217 uca.bulkin = uca.bulkout = -1; 218 for (i=0; i<id->bNumEndpoints; i++) { 219 ed = usbd_interface2endpoint_descriptor(iface, i); 220 if (ed == NULL) { 221 aprint_error_dev(self, 222 "no endpoint descriptor for %d\n", i); 223 goto bad; 224 } 225 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 226 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 227 uca.bulkin = ed->bEndpointAddress; 228 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 229 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 230 uca.bulkout = ed->bEndpointAddress; 231 } 232 } 233 if (uca.bulkin == -1 || uca.bulkout == -1) { 234 aprint_error_dev(self, "no proper endpoints found (%d,%d) \n", 235 uca.bulkin, uca.bulkout); 236 USB_ATTACH_ERROR_RETURN; 237 } 238 239 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 240 ucomprint, ucomsubmatch); 241 242 USB_ATTACH_SUCCESS_RETURN; 243 244 bad: 245 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 246 sc->sc_dying = 1; 247 USB_ATTACH_ERROR_RETURN; 248 } 249 250 251 void 252 uipaq_dtr(struct uipaq_softc* sc, int onoff) 253 { 254 usb_device_request_t req; 255 usbd_status err; 256 int retries = 3; 257 258 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 259 260 /* Avoid sending unnecessary requests */ 261 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 262 return; 263 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 264 return; 265 266 /* Other parameters depend on reg */ 267 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 268 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 269 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 270 USETW(req.wValue, sc->sc_lcr); 271 USETW(req.wIndex, 0x0); 272 USETW(req.wLength, 0); 273 274 /* Fire off the request a few times if necessary */ 275 while (retries) { 276 err = usbd_do_request(sc->sc_udev, &req, NULL); 277 if (!err) 278 break; 279 retries--; 280 } 281 } 282 283 284 void 285 uipaq_rts(struct uipaq_softc* sc, int onoff) 286 { 287 usb_device_request_t req; 288 usbd_status err; 289 int retries = 3; 290 291 DPRINTF(("%s: uipaq_rts: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 292 293 /* Avoid sending unnecessary requests */ 294 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 295 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 296 297 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 298 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 299 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 300 USETW(req.wValue, sc->sc_lcr); 301 USETW(req.wIndex, 0x0); 302 USETW(req.wLength, 0); 303 304 while (retries) { 305 err = usbd_do_request(sc->sc_udev, &req, NULL); 306 if (!err) 307 break; 308 retries--; 309 } 310 } 311 312 313 void 314 uipaq_break(struct uipaq_softc* sc, int onoff) 315 { 316 usb_device_request_t req; 317 usbd_status err; 318 int retries = 3; 319 320 DPRINTF(("%s: uipaq_break: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 321 322 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 323 req.bRequest = UCDC_SEND_BREAK; 324 325 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 326 USETW(req.wIndex, 0x0); 327 USETW(req.wLength, 0); 328 329 while (retries) { 330 err = usbd_do_request(sc->sc_udev, &req, NULL); 331 if (!err) 332 break; 333 retries--; 334 } 335 } 336 337 338 void 339 uipaq_set(void *addr, int portno, int reg, int onoff) 340 { 341 struct uipaq_softc* sc = addr; 342 343 switch (reg) { 344 case UCOM_SET_DTR: 345 uipaq_dtr(addr, onoff); 346 break; 347 case UCOM_SET_RTS: 348 uipaq_rts(addr, onoff); 349 break; 350 case UCOM_SET_BREAK: 351 uipaq_break(addr, onoff); 352 break; 353 default: 354 aprint_error_dev(sc->sc_dev, 355 "unhandled set request: reg=%x onoff=%x\n", reg, onoff); 356 return; 357 } 358 } 359 360 361 int 362 uipaq_activate(device_t self, enum devact act) 363 { 364 struct uipaq_softc *sc = device_private(self); 365 366 switch (act) { 367 case DVACT_DEACTIVATE: 368 sc->sc_dying = 1; 369 return 0; 370 default: 371 return EOPNOTSUPP; 372 } 373 } 374 375 void 376 uipaq_childdet(device_t self, device_t child) 377 { 378 struct uipaq_softc *sc = device_private(self); 379 380 KASSERT(sc->sc_subdev == child); 381 sc->sc_subdev = NULL; 382 } 383 384 int 385 uipaq_detach(device_t self, int flags) 386 { 387 struct uipaq_softc *sc = device_private(self); 388 int rv = 0; 389 390 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 391 sc->sc_dying = 1; 392 if (sc->sc_subdev != NULL) 393 rv |= config_detach(sc->sc_subdev, flags); 394 395 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 396 USBDEV(sc->sc_dev)); 397 398 return (rv); 399 } 400 401
Indexes created Thu Sep 25 16:09:42 GMT 2025