1 /* $OpenBSD: uipaq.c,v 1.24 2014/07/12 20:26:33 mpi 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 struct usbd_device *sc_udev; /* device */ 79 struct usbd_interface *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 87 /* Callback routines */ 88 void uipaq_set(void *, int, int, int); 89 90 91 /* Support routines. */ 92 /* based on uppc module by Sam Lawrance */ 93 void uipaq_dtr(struct uipaq_softc *sc, int onoff); 94 void uipaq_rts(struct uipaq_softc *sc, int onoff); 95 void uipaq_break(struct uipaq_softc* sc, int onoff); 96 97 98 struct ucom_methods uipaq_methods = { 99 NULL, 100 uipaq_set, 101 NULL, 102 NULL, 103 NULL, /*open*/ 104 NULL, /*close*/ 105 NULL, 106 NULL 107 }; 108 109 struct uipaq_type { 110 struct usb_devno uv_dev; 111 u_int16_t uv_flags; 112 }; 113 114 static const struct uipaq_type uipaq_devs[] = { 115 {{ USB_VENDOR_ASUS, USB_PRODUCT_ASUS_MYPAL_A730} , 0}, 116 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 117 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 118 {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_SMARTPHONE }, 0}, 119 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 120 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 121 {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_PPC6700MODEM }, 0} 122 }; 123 124 #define uipaq_lookup(v, p) ((struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 125 126 int uipaq_match(struct device *, void *, void *); 127 void uipaq_attach(struct device *, struct device *, void *); 128 int uipaq_detach(struct device *, int); 129 130 struct cfdriver uipaq_cd = { 131 NULL, "uipaq", DV_DULL 132 }; 133 134 const struct cfattach uipaq_ca = { 135 sizeof(struct uipaq_softc), uipaq_match, uipaq_attach, uipaq_detach 136 }; 137 138 int 139 uipaq_match(struct device *parent, void *match, void *aux) 140 { 141 struct usb_attach_arg *uaa = aux; 142 143 if (uaa->iface != NULL) 144 return (UMATCH_NONE); 145 146 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 147 uaa->vendor, uaa->product)); 148 149 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 150 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 151 } 152 153 void 154 uipaq_attach(struct device *parent, struct device *self, void *aux) 155 { 156 struct uipaq_softc *sc = (struct uipaq_softc *)self; 157 struct usb_attach_arg *uaa = aux; 158 struct usbd_device *dev = uaa->device; 159 struct usbd_interface *iface; 160 usb_interface_descriptor_t *id; 161 usb_endpoint_descriptor_t *ed; 162 char *devname = sc->sc_dev.dv_xname; 163 int i; 164 usbd_status err; 165 struct ucom_attach_args uca; 166 167 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 168 169 /* Move the device into the configured state. */ 170 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 171 if (err) { 172 printf(": failed to set configuration, err=%s\n", 173 usbd_errstr(err)); 174 goto bad; 175 } 176 177 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 178 if (err) { 179 printf(": failed to get interface, err=%s\n", 180 usbd_errstr(err)); 181 goto bad; 182 } 183 184 sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags; 185 186 id = usbd_get_interface_descriptor(iface); 187 188 sc->sc_udev = dev; 189 sc->sc_iface = iface; 190 191 uca.ibufsize = UIPAQIBUFSIZE; 192 uca.obufsize = UIPAQOBUFSIZE; 193 uca.ibufsizepad = UIPAQIBUFSIZE; 194 uca.opkthdrlen = 0; 195 uca.device = dev; 196 uca.iface = iface; 197 uca.methods = &uipaq_methods; 198 uca.arg = sc; 199 uca.portno = UCOM_UNK_PORTNO; 200 uca.info = "Generic"; 201 202 /* err = uipaq_init(sc); 203 if (err) { 204 printf("%s: init failed, %s\n", sc->sc_dev.dv_xname, 205 usbd_errstr(err)); 206 goto bad; 207 }*/ 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 sc->sc_subdev = config_found_sm(self, &uca, 227 ucomprint, ucomsubmatch); 228 else 229 printf("%s: no proper endpoints found (%d,%d) \n", 230 devname, uca.bulkin, uca.bulkout); 231 232 return; 233 234 bad: 235 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 236 usbd_deactivate(sc->sc_udev); 237 } 238 239 240 void 241 uipaq_dtr(struct uipaq_softc* sc, int onoff) 242 { 243 usb_device_request_t req; 244 usbd_status err; 245 int retries = 3; 246 247 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 248 249 /* Avoid sending unnecessary requests */ 250 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 251 return; 252 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 253 return; 254 255 /* Other parameters depend on reg */ 256 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 257 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 258 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 259 USETW(req.wValue, sc->sc_lcr); 260 USETW(req.wIndex, 0x0); 261 USETW(req.wLength, 0); 262 263 /* Fire off the request a few times if necessary */ 264 while (retries) { 265 err = usbd_do_request(sc->sc_udev, &req, NULL); 266 if (!err) 267 break; 268 retries--; 269 } 270 } 271 272 273 void 274 uipaq_rts(struct uipaq_softc* sc, int onoff) 275 { 276 usb_device_request_t req; 277 usbd_status err; 278 int retries = 3; 279 280 DPRINTF(("%s: uipaq_rts: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 281 282 /* Avoid sending unnecessary requests */ 283 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 284 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 285 286 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 287 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 288 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 289 USETW(req.wValue, sc->sc_lcr); 290 USETW(req.wIndex, 0x0); 291 USETW(req.wLength, 0); 292 293 while (retries) { 294 err = usbd_do_request(sc->sc_udev, &req, NULL); 295 if (!err) 296 break; 297 retries--; 298 } 299 } 300 301 302 void 303 uipaq_break(struct uipaq_softc* sc, int onoff) 304 { 305 usb_device_request_t req; 306 usbd_status err; 307 int retries = 3; 308 309 DPRINTF(("%s: uipaq_break: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 310 311 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 312 req.bRequest = UCDC_SEND_BREAK; 313 314 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 315 USETW(req.wIndex, 0x0); 316 USETW(req.wLength, 0); 317 318 while (retries) { 319 err = usbd_do_request(sc->sc_udev, &req, NULL); 320 if (!err) 321 break; 322 retries--; 323 } 324 } 325 326 327 void 328 uipaq_set(void *addr, int portno, int reg, int onoff) 329 { 330 struct uipaq_softc* sc = addr; 331 332 switch (reg) { 333 case UCOM_SET_DTR: 334 uipaq_dtr(addr, onoff); 335 break; 336 case UCOM_SET_RTS: 337 uipaq_rts(addr, onoff); 338 break; 339 case UCOM_SET_BREAK: 340 uipaq_break(addr, onoff); 341 break; 342 default: 343 printf("%s: unhandled set request: reg=%x onoff=%x\n", 344 sc->sc_dev.dv_xname, reg, onoff); 345 return; 346 } 347 } 348 349 350 int 351 uipaq_detach(struct device *self, int flags) 352 { 353 struct uipaq_softc *sc = (struct uipaq_softc *)self; 354 int rv = 0; 355 356 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 357 if (sc->sc_subdev != NULL) { 358 rv |= config_detach(sc->sc_subdev, flags); 359 sc->sc_subdev = NULL; 360 } 361 362 return (rv); 363 } 364 365