1 /* $OpenBSD: uipaq.c,v 1.25 2015/03/14 03:38:50 jsg 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 52 #include <dev/usb/usbcdc.h> /*UCDC_* stuff */ 53 54 #include <dev/usb/usbdi.h> 55 #include <dev/usb/usbdi_util.h> 56 #include <dev/usb/usbdevs.h> 57 58 #include <dev/usb/ucomvar.h> 59 60 #ifdef UIPAQ_DEBUG 61 #define DPRINTF(x) if (uipaqdebug) printf x 62 #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x 63 int uipaqdebug = 0; 64 #else 65 #define DPRINTF(x) 66 #define DPRINTFN(n,x) 67 #endif 68 69 #define UIPAQ_CONFIG_NO 1 70 #define UIPAQ_IFACE_INDEX 0 71 72 #define UIPAQIBUFSIZE 1024 73 #define UIPAQOBUFSIZE 1024 74 75 struct uipaq_softc { 76 struct device sc_dev; /* base device */ 77 struct usbd_device *sc_udev; /* device */ 78 struct usbd_interface *sc_iface; /* interface */ 79 80 struct device *sc_subdev; /* ucom uses that */ 81 u_int16_t sc_lcr; /* state for DTR/RTS */ 82 83 u_int16_t sc_flags; 84 }; 85 86 /* Callback routines */ 87 void uipaq_set(void *, int, int, int); 88 89 90 /* Support routines. */ 91 /* based on uppc module by Sam Lawrance */ 92 void uipaq_dtr(struct uipaq_softc *sc, int onoff); 93 void uipaq_rts(struct uipaq_softc *sc, int onoff); 94 void uipaq_break(struct uipaq_softc* sc, int onoff); 95 96 97 struct ucom_methods uipaq_methods = { 98 NULL, 99 uipaq_set, 100 NULL, 101 NULL, 102 NULL, /*open*/ 103 NULL, /*close*/ 104 NULL, 105 NULL 106 }; 107 108 struct uipaq_type { 109 struct usb_devno uv_dev; 110 u_int16_t uv_flags; 111 }; 112 113 static const struct uipaq_type uipaq_devs[] = { 114 {{ USB_VENDOR_ASUS, USB_PRODUCT_ASUS_MYPAL_A730} , 0}, 115 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 116 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 117 {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_SMARTPHONE }, 0}, 118 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 119 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 120 {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_PPC6700MODEM }, 0} 121 }; 122 123 #define uipaq_lookup(v, p) ((struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 124 125 int uipaq_match(struct device *, void *, void *); 126 void uipaq_attach(struct device *, struct device *, void *); 127 int uipaq_detach(struct device *, int); 128 129 struct cfdriver uipaq_cd = { 130 NULL, "uipaq", DV_DULL 131 }; 132 133 const struct cfattach uipaq_ca = { 134 sizeof(struct uipaq_softc), uipaq_match, uipaq_attach, uipaq_detach 135 }; 136 137 int 138 uipaq_match(struct device *parent, void *match, void *aux) 139 { 140 struct usb_attach_arg *uaa = aux; 141 142 if (uaa->iface != NULL) 143 return (UMATCH_NONE); 144 145 DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n", 146 uaa->vendor, uaa->product)); 147 148 return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ? 149 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 150 } 151 152 void 153 uipaq_attach(struct device *parent, struct device *self, void *aux) 154 { 155 struct uipaq_softc *sc = (struct uipaq_softc *)self; 156 struct usb_attach_arg *uaa = aux; 157 struct usbd_device *dev = uaa->device; 158 struct usbd_interface *iface; 159 usb_interface_descriptor_t *id; 160 usb_endpoint_descriptor_t *ed; 161 char *devname = sc->sc_dev.dv_xname; 162 int i; 163 usbd_status err; 164 struct ucom_attach_args uca; 165 166 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 167 168 /* Move the device into the configured state. */ 169 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 170 if (err) { 171 printf(": failed to set configuration, err=%s\n", 172 usbd_errstr(err)); 173 goto bad; 174 } 175 176 err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); 177 if (err) { 178 printf(": failed to get interface, err=%s\n", 179 usbd_errstr(err)); 180 goto bad; 181 } 182 183 sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags; 184 185 id = usbd_get_interface_descriptor(iface); 186 187 sc->sc_udev = dev; 188 sc->sc_iface = iface; 189 190 uca.ibufsize = UIPAQIBUFSIZE; 191 uca.obufsize = UIPAQOBUFSIZE; 192 uca.ibufsizepad = UIPAQIBUFSIZE; 193 uca.opkthdrlen = 0; 194 uca.device = dev; 195 uca.iface = iface; 196 uca.methods = &uipaq_methods; 197 uca.arg = sc; 198 uca.portno = UCOM_UNK_PORTNO; 199 uca.info = "Generic"; 200 201 /* err = uipaq_init(sc); 202 if (err) { 203 printf("%s: init failed, %s\n", sc->sc_dev.dv_xname, 204 usbd_errstr(err)); 205 goto bad; 206 }*/ 207 208 uca.bulkin = uca.bulkout = -1; 209 for (i=0; i<id->bNumEndpoints; i++) { 210 ed = usbd_interface2endpoint_descriptor(iface, i); 211 if (ed == NULL) { 212 printf("%s: no endpoint descriptor for %d\n", 213 devname,i); 214 goto bad; 215 } 216 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 217 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 218 uca.bulkin = ed->bEndpointAddress; 219 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 220 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 221 uca.bulkout = ed->bEndpointAddress; 222 } 223 } 224 if (uca.bulkin != -1 && uca.bulkout != -1) 225 sc->sc_subdev = config_found_sm(self, &uca, 226 ucomprint, ucomsubmatch); 227 else 228 printf("%s: no proper endpoints found (%d,%d) \n", 229 devname, uca.bulkin, uca.bulkout); 230 231 return; 232 233 bad: 234 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 235 usbd_deactivate(sc->sc_udev); 236 } 237 238 239 void 240 uipaq_dtr(struct uipaq_softc* sc, int onoff) 241 { 242 usb_device_request_t req; 243 usbd_status err; 244 int retries = 3; 245 246 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 247 248 /* Avoid sending unnecessary requests */ 249 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 250 return; 251 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 252 return; 253 254 /* Other parameters depend on reg */ 255 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 256 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 257 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR; 258 USETW(req.wValue, sc->sc_lcr); 259 USETW(req.wIndex, 0x0); 260 USETW(req.wLength, 0); 261 262 /* Fire off the request a few times if necessary */ 263 while (retries) { 264 err = usbd_do_request(sc->sc_udev, &req, NULL); 265 if (!err) 266 break; 267 retries--; 268 } 269 } 270 271 272 void 273 uipaq_rts(struct uipaq_softc* sc, int onoff) 274 { 275 usb_device_request_t req; 276 usbd_status err; 277 int retries = 3; 278 279 DPRINTF(("%s: uipaq_rts: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 280 281 /* Avoid sending unnecessary requests */ 282 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 283 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 284 285 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 286 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 287 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS; 288 USETW(req.wValue, sc->sc_lcr); 289 USETW(req.wIndex, 0x0); 290 USETW(req.wLength, 0); 291 292 while (retries) { 293 err = usbd_do_request(sc->sc_udev, &req, NULL); 294 if (!err) 295 break; 296 retries--; 297 } 298 } 299 300 301 void 302 uipaq_break(struct uipaq_softc* sc, int onoff) 303 { 304 usb_device_request_t req; 305 usbd_status err; 306 int retries = 3; 307 308 DPRINTF(("%s: uipaq_break: onoff=%x\n", sc->sc_dev.dv_xname, onoff)); 309 310 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 311 req.bRequest = UCDC_SEND_BREAK; 312 313 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 314 USETW(req.wIndex, 0x0); 315 USETW(req.wLength, 0); 316 317 while (retries) { 318 err = usbd_do_request(sc->sc_udev, &req, NULL); 319 if (!err) 320 break; 321 retries--; 322 } 323 } 324 325 326 void 327 uipaq_set(void *addr, int portno, int reg, int onoff) 328 { 329 struct uipaq_softc* sc = addr; 330 331 switch (reg) { 332 case UCOM_SET_DTR: 333 uipaq_dtr(addr, onoff); 334 break; 335 case UCOM_SET_RTS: 336 uipaq_rts(addr, onoff); 337 break; 338 case UCOM_SET_BREAK: 339 uipaq_break(addr, onoff); 340 break; 341 default: 342 printf("%s: unhandled set request: reg=%x onoff=%x\n", 343 sc->sc_dev.dv_xname, reg, onoff); 344 return; 345 } 346 } 347 348 349 int 350 uipaq_detach(struct device *self, int flags) 351 { 352 struct uipaq_softc *sc = (struct uipaq_softc *)self; 353 int rv = 0; 354 355 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 356 if (sc->sc_subdev != NULL) { 357 rv |= config_detach(sc->sc_subdev, flags); 358 sc->sc_subdev = NULL; 359 } 360 361 return (rv); 362 } 363 364