1 /* $NetBSD: uipaq.c,v 1.7 2007/10/25 19:32:15 plunky 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@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@cs.umd.edu if you have any questions/comments about this driver 49 */ 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/kernel.h> 54 #include <sys/device.h> 55 #include <sys/conf.h> 56 #include <sys/tty.h> 57 58 #include <dev/usb/usb.h> 59 60 #include <dev/usb/usbcdc.h> /*UCDC_* stuff */ 61 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include <dev/usb/usbdevs.h> 65 66 #include <dev/usb/ucomvar.h> 67 68 #ifdef UIPAQ_DEBUG 69 #define DPRINTF(x) if (uipaqdebug) printf x 70 #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x 71 int uipaqdebug = 0; 72 #else 73 #define DPRINTF(x) 74 #define DPRINTFN(n,x) 75 #endif 76 77 #define UIPAQ_CONFIG_NO 1 78 #define UIPAQ_IFACE_INDEX 0 79 80 #define UIPAQIBUFSIZE 1024 81 #define UIPAQOBUFSIZE 1024 82 83 struct uipaq_softc { 84 USBBASEDEVICE sc_dev; /* base device */ 85 usbd_device_handle sc_udev; /* device */ 86 usbd_interface_handle sc_iface; /* interface */ 87 88 device_ptr_t sc_subdev; /* ucom uses that */ 89 u_int16_t sc_lcr; /* state for DTR/RTS */ 90 91 u_int16_t sc_flags; 92 93 u_char sc_dying; 94 }; 95 96 /* Callback routines */ 97 Static void uipaq_set(void *, int, int, int); 98 99 100 /* Support routines. */ 101 /* based on uppc module by Sam Lawrance */ 102 Static void uipaq_dtr(struct uipaq_softc *sc, int onoff); 103 Static void uipaq_rts(struct uipaq_softc *sc, int onoff); 104 Static void uipaq_break(struct uipaq_softc* sc, int onoff); 105 106 107 struct ucom_methods uipaq_methods = { 108 NULL, 109 uipaq_set, 110 NULL, 111 NULL, 112 NULL, /*open*/ 113 NULL, /*close*/ 114 NULL, 115 NULL 116 }; 117 118 struct uipaq_type { 119 struct usb_devno uv_dev; 120 u_int16_t uv_flags; 121 }; 122 123 static const struct uipaq_type uipaq_devs[] = { 124 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 125 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 126 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 127 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 128 {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS007SH} , 0} 129 }; 130 131 #define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 132 133 USB_DECLARE_DRIVER(uipaq); 134 135 USB_MATCH(uipaq) 136 { 137 USB_MATCH_START(uipaq, uaa); 138 139 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 140 uaa->vendor, uaa->product)); 141 142 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 143 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 144 } 145 146 USB_ATTACH(uipaq) 147 { 148 USB_ATTACH_START(uipaq, sc, uaa); 149 usbd_device_handle dev = uaa->device; 150 usbd_interface_handle iface; 151 usb_interface_descriptor_t *id; 152 usb_endpoint_descriptor_t *ed; 153 char *devinfop; 154 char *devname = USBDEVNAME(sc->sc_dev); 155 int i; 156 usbd_status err; 157 struct ucom_attach_args uca; 158 159 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 160 161 /* Move the device into the configured state. */ 162 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 163 if (err) { 164 printf("\n%s: failed to set configuration, err=%s\n", 165 devname, usbd_errstr(err)); 166 goto bad; 167 } 168 169 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 170 if (err) { 171 printf("\n%s: failed to get interface, err=%s\n", 172 devname, usbd_errstr(err)); 173 goto bad; 174 } 175 176 devinfop = usbd_devinfo_alloc(dev, 0); 177 USB_ATTACH_SETUP; 178 printf("%s: %s\n", devname, devinfop); 179 usbd_devinfo_free(devinfop); 180 181 sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags; 182 183 id = usbd_get_interface_descriptor(iface); 184 185 sc->sc_udev = dev; 186 sc->sc_iface = iface; 187 188 uca.ibufsize = UIPAQIBUFSIZE; 189 uca.obufsize = UIPAQOBUFSIZE; 190 uca.ibufsizepad = UIPAQIBUFSIZE; 191 uca.opkthdrlen = 0; 192 uca.device = dev; 193 uca.iface = iface; 194 uca.methods = &uipaq_methods; 195 uca.arg = sc; 196 uca.portno = UCOM_UNK_PORTNO; 197 uca.info = "Generic"; 198 199 /* err = uipaq_init(sc); 200 if (err) { 201 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 202 usbd_errstr(err)); 203 goto bad; 204 }*/ 205 206 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 207 USBDEV(sc->sc_dev)); 208 209 uca.bulkin = uca.bulkout = -1; 210 for (i=0; i<id->bNumEndpoints; i++) { 211 ed = usbd_interface2endpoint_descriptor(iface, i); 212 if (ed == NULL) { 213 printf("%s: no endpoint descriptor for %d\n", 214 devname,i); 215 goto bad; 216 } 217 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 218 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 219 uca.bulkin = ed->bEndpointAddress; 220 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 221 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 222 uca.bulkout = ed->bEndpointAddress; 223 } 224 } 225 if (uca.bulkin == -1 || uca.bulkout == -1) { 226 printf("%s: no proper endpoints found (%d,%d) \n", 227 devname, uca.bulkin, uca.bulkout); 228 USB_ATTACH_ERROR_RETURN; 229 } 230 231 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 232 ucomprint, ucomsubmatch); 233 234 USB_ATTACH_SUCCESS_RETURN; 235 236 bad: 237 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 238 sc->sc_dying = 1; 239 USB_ATTACH_ERROR_RETURN; 240 } 241 242 243 void 244 uipaq_dtr(struct uipaq_softc* sc, int onoff) 245 { 246 usb_device_request_t req; 247 usbd_status err; 248 int retries = 3; 249 250 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 251 252 /* Avoid sending unnecessary requests */ 253 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 254 return; 255 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 256 return; 257 258 /* Other parameters depend on reg */ 259 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 260 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 261 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 262 USETW(req.wValue, sc->sc_lcr); 263 USETW(req.wIndex, 0x0); 264 USETW(req.wLength, 0); 265 266 /* Fire off the request a few times if necessary */ 267 while (retries) { 268 err = usbd_do_request(sc->sc_udev, &req, NULL); 269 if (!err) 270 break; 271 retries--; 272 } 273 } 274 275 276 void 277 uipaq_rts(struct uipaq_softc* sc, int onoff) 278 { 279 usb_device_request_t req; 280 usbd_status err; 281 int retries = 3; 282 283 DPRINTF(("%s: uipaq_rts: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 284 285 /* Avoid sending unnecessary requests */ 286 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 287 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 288 289 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 290 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 291 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 292 USETW(req.wValue, sc->sc_lcr); 293 USETW(req.wIndex, 0x0); 294 USETW(req.wLength, 0); 295 296 while (retries) { 297 err = usbd_do_request(sc->sc_udev, &req, NULL); 298 if (!err) 299 break; 300 retries--; 301 } 302 } 303 304 305 void 306 uipaq_break(struct uipaq_softc* sc, int onoff) 307 { 308 usb_device_request_t req; 309 usbd_status err; 310 int retries = 3; 311 312 DPRINTF(("%s: uipaq_break: onoff=%x\n", USBDEVNAME(sc->sc_dev), onoff)); 313 314 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 315 req.bRequest = UCDC_SEND_BREAK; 316 317 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 318 USETW(req.wIndex, 0x0); 319 USETW(req.wLength, 0); 320 321 while (retries) { 322 err = usbd_do_request(sc->sc_udev, &req, NULL); 323 if (!err) 324 break; 325 retries--; 326 } 327 } 328 329 330 void 331 uipaq_set(void *addr, int portno, int reg, int onoff) 332 { 333 struct uipaq_softc* sc = addr; 334 335 switch (reg) { 336 case UCOM_SET_DTR: 337 uipaq_dtr(addr, onoff); 338 break; 339 case UCOM_SET_RTS: 340 uipaq_rts(addr, onoff); 341 break; 342 case UCOM_SET_BREAK: 343 uipaq_break(addr, onoff); 344 break; 345 default: 346 printf("%s: unhandled set request: reg=%x onoff=%x\n", 347 USBDEVNAME(sc->sc_dev), reg, onoff); 348 return; 349 } 350 } 351 352 353 int 354 uipaq_activate(device_ptr_t self, enum devact act) 355 { 356 struct uipaq_softc *sc = (struct uipaq_softc *)self; 357 int rv = 0; 358 359 switch (act) { 360 case DVACT_ACTIVATE: 361 return (EOPNOTSUPP); 362 break; 363 364 case DVACT_DEACTIVATE: 365 if (sc->sc_subdev != NULL) 366 rv = config_deactivate(sc->sc_subdev); 367 sc->sc_dying = 1; 368 break; 369 } 370 return (rv); 371 } 372 373 int 374 uipaq_detach(device_ptr_t self, int flags) 375 { 376 struct uipaq_softc *sc = (struct uipaq_softc *)self; 377 int rv = 0; 378 379 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 380 sc->sc_dying = 1; 381 if (sc->sc_subdev != NULL) { 382 rv |= config_detach(sc->sc_subdev, flags); 383 sc->sc_subdev = NULL; 384 } 385 386 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 387 USBDEV(sc->sc_dev)); 388 389 return (rv); 390 } 391 392