1 /* $OpenBSD: uipaq.c,v 1.20 2011/07/03 15:47:17 matthew 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@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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * iPAQ driver 35 * 36 * 19 July 2003: Incorporated changes suggested by Sam Lawrance from 37 * the uppc module 38 * 39 * 40 * Contact isis@cs.umd.edu if you have any questions/comments about this driver 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/kernel.h> 46 #include <sys/device.h> 47 #include <sys/conf.h> 48 #include <sys/tty.h> 49 50 #include <dev/usb/usb.h> 51 #include <dev/usb/usbhid.h> 52 53 #include <dev/usb/usbcdc.h> /*UCDC_* stuff */ 54 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 59 #include <dev/usb/ucomvar.h> 60 61 #ifdef UIPAQ_DEBUG 62 #define DPRINTF(x) if (uipaqdebug) printf x 63 #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x 64 int uipaqdebug = 0; 65 #else 66 #define DPRINTF(x) 67 #define DPRINTFN(n,x) 68 #endif 69 70 #define UIPAQ_CONFIG_NO 1 71 #define UIPAQ_IFACE_INDEX 0 72 73 #define UIPAQIBUFSIZE 1024 74 #define UIPAQOBUFSIZE 1024 75 76 struct uipaq_softc { 77 struct device sc_dev; /* base device */ 78 usbd_device_handle sc_udev; /* device */ 79 usbd_interface_handle sc_iface; /* interface */ 80 81 struct device *sc_subdev; /* ucom uses that */ 82 u_int16_t sc_lcr; /* state for DTR/RTS */ 83 84 u_int16_t sc_flags; 85 86 u_char sc_dying; 87 }; 88 89 /* Callback routines */ 90 void uipaq_set(void *, int, int, int); 91 92 93 /* Support routines. */ 94 /* based on uppc module by Sam Lawrance */ 95 void uipaq_dtr(struct uipaq_softc *sc, int onoff); 96 void uipaq_rts(struct uipaq_softc *sc, int onoff); 97 void uipaq_break(struct uipaq_softc* sc, int onoff); 98 99 100 struct ucom_methods uipaq_methods = { 101 NULL, 102 uipaq_set, 103 NULL, 104 NULL, 105 NULL, /*open*/ 106 NULL, /*close*/ 107 NULL, 108 NULL 109 }; 110 111 struct uipaq_type { 112 struct usb_devno uv_dev; 113 u_int16_t uv_flags; 114 }; 115 116 static const struct uipaq_type uipaq_devs[] = { 117 {{ USB_VENDOR_ASUS, USB_PRODUCT_ASUS_MYPAL_A730} , 0}, 118 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 119 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 120 {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_SMARTPHONE }, 0}, 121 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 122 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 123 {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_PPC6700MODEM }, 0} 124 }; 125 126 #define uipaq_lookup(v, p) ((struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 127 128 int uipaq_match(struct device *, void *, void *); 129 void uipaq_attach(struct device *, struct device *, void *); 130 int uipaq_detach(struct device *, int); 131 int uipaq_activate(struct device *, int); 132 133 struct cfdriver uipaq_cd = { 134 NULL, "uipaq", DV_DULL 135 }; 136 137 const struct cfattach uipaq_ca = { 138 sizeof(struct uipaq_softc), 139 uipaq_match, 140 uipaq_attach, 141 uipaq_detach, 142 uipaq_activate, 143 }; 144 145 int 146 uipaq_match(struct device *parent, void *match, void *aux) 147 { 148 struct usb_attach_arg *uaa = aux; 149 150 if (uaa->iface != NULL) 151 return (UMATCH_NONE); 152 153 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 154 uaa->vendor, uaa->product)); 155 156 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 157 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 158 } 159 160 void 161 uipaq_attach(struct device *parent, struct device *self, void *aux) 162 { 163 struct uipaq_softc *sc = (struct uipaq_softc *)self; 164 struct usb_attach_arg *uaa = aux; 165 usbd_device_handle dev = uaa->device; 166 usbd_interface_handle iface; 167 usb_interface_descriptor_t *id; 168 usb_endpoint_descriptor_t *ed; 169 char *devname = sc->sc_dev.dv_xname; 170 int i; 171 usbd_status err; 172 struct ucom_attach_args uca; 173 174 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 175 176 /* Move the device into the configured state. */ 177 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 178 if (err) { 179 printf(": failed to set configuration, err=%s\n", 180 usbd_errstr(err)); 181 goto bad; 182 } 183 184 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 185 if (err) { 186 printf(": failed to get interface, err=%s\n", 187 usbd_errstr(err)); 188 goto bad; 189 } 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", sc->sc_dev.dv_xname, 212 usbd_errstr(err)); 213 goto bad; 214 }*/ 215 216 uca.bulkin = uca.bulkout = -1; 217 for (i=0; i<id->bNumEndpoints; i++) { 218 ed = usbd_interface2endpoint_descriptor(iface, i); 219 if (ed == NULL) { 220 printf("%s: no endpoint descriptor for %d\n", 221 devname,i); 222 goto bad; 223 } 224 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 225 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 226 uca.bulkin = ed->bEndpointAddress; 227 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 228 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 229 uca.bulkout = ed->bEndpointAddress; 230 } 231 } 232 if (uca.bulkin != -1 && uca.bulkout != -1) 233 sc->sc_subdev = config_found_sm(self, &uca, 234 ucomprint, ucomsubmatch); 235 else 236 printf("%s: no proper endpoints found (%d,%d) \n", 237 devname, uca.bulkin, uca.bulkout); 238 239 return; 240 241 bad: 242 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 243 sc->sc_dying = 1; 244 } 245 246 247 void 248 uipaq_dtr(struct uipaq_softc* sc, int onoff) 249 { 250 usb_device_request_t req; 251 usbd_status err; 252 int retries = 3; 253 254 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 255 256 /* Avoid sending unnecessary requests */ 257 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 258 return; 259 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 260 return; 261 262 /* Other parameters depend on reg */ 263 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 264 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 265 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 266 USETW(req.wValue, sc->sc_lcr); 267 USETW(req.wIndex, 0x0); 268 USETW(req.wLength, 0); 269 270 /* Fire off the request a few times if necessary */ 271 while (retries) { 272 err = usbd_do_request(sc->sc_udev, &req, NULL); 273 if (!err) 274 break; 275 retries--; 276 } 277 } 278 279 280 void 281 uipaq_rts(struct uipaq_softc* sc, int onoff) 282 { 283 usb_device_request_t req; 284 usbd_status err; 285 int retries = 3; 286 287 DPRINTF(("%s: uipaq_rts: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 288 289 /* Avoid sending unnecessary requests */ 290 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 291 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 292 293 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 294 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 295 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 296 USETW(req.wValue, sc->sc_lcr); 297 USETW(req.wIndex, 0x0); 298 USETW(req.wLength, 0); 299 300 while (retries) { 301 err = usbd_do_request(sc->sc_udev, &req, NULL); 302 if (!err) 303 break; 304 retries--; 305 } 306 } 307 308 309 void 310 uipaq_break(struct uipaq_softc* sc, int onoff) 311 { 312 usb_device_request_t req; 313 usbd_status err; 314 int retries = 3; 315 316 DPRINTF(("%s: uipaq_break: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 317 318 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 319 req.bRequest = UCDC_SEND_BREAK; 320 321 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 322 USETW(req.wIndex, 0x0); 323 USETW(req.wLength, 0); 324 325 while (retries) { 326 err = usbd_do_request(sc->sc_udev, &req, NULL); 327 if (!err) 328 break; 329 retries--; 330 } 331 } 332 333 334 void 335 uipaq_set(void *addr, int portno, int reg, int onoff) 336 { 337 struct uipaq_softc* sc = addr; 338 339 switch (reg) { 340 case UCOM_SET_DTR: 341 uipaq_dtr(addr, onoff); 342 break; 343 case UCOM_SET_RTS: 344 uipaq_rts(addr, onoff); 345 break; 346 case UCOM_SET_BREAK: 347 uipaq_break(addr, onoff); 348 break; 349 default: 350 printf("%s: unhandled set request: reg=%x onoff=%x\n", 351 sc->sc_dev.dv_xname, reg, onoff); 352 return; 353 } 354 } 355 356 357 int 358 uipaq_activate(struct device *self, int act) 359 { 360 struct uipaq_softc *sc = (struct uipaq_softc *)self; 361 int rv = 0; 362 363 switch (act) { 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(struct device *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 if (sc->sc_subdev != NULL) { 381 rv |= config_detach(sc->sc_subdev, flags); 382 sc->sc_subdev = NULL; 383 } 384 385 return (rv); 386 } 387 388