uipaq.c revision 1.29
1 /* $NetBSD: uipaq.c,v 1.29 2021/04/24 23:36:59 thorpej 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 1.29 2021/04/24 23:36:59 thorpej Exp $"); 46 47 #ifdef _KERNEL_OPT 48 #include "opt_usb.h" 49 #endif 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 device_t sc_dev; /* base device */ 85 struct usbd_device * sc_udev; /* device */ 86 struct usbd_interface * sc_iface; /* interface */ 87 88 device_t sc_subdev; /* ucom uses that */ 89 uint16_t sc_lcr; /* state for DTR/RTS */ 90 91 uint16_t sc_flags; 92 93 bool sc_dying; 94 }; 95 96 /* Callback routines */ 97 static void uipaq_set(void *, int, int, int); 98 static int uipaq_open(void *, int); 99 100 101 /* Support routines. */ 102 /* based on uppc module by Sam Lawrance */ 103 static void uipaq_dtr(struct uipaq_softc *, int); 104 static void uipaq_rts(struct uipaq_softc *, int); 105 static void uipaq_break(struct uipaq_softc *, int); 106 107 108 static const struct ucom_methods uipaq_methods = { 109 .ucom_set = uipaq_set, 110 .ucom_open = uipaq_open, 111 }; 112 113 struct uipaq_type { 114 struct usb_devno uv_dev; 115 uint16_t uv_flags; 116 }; 117 118 static const struct uipaq_type uipaq_devs[] = { 119 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, 120 {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, 121 {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, 122 {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, 123 {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS007SH} , 0}, 124 {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS011SH} , 0} 125 }; 126 127 #define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) 128 129 static int uipaq_match(device_t, cfdata_t, void *); 130 static void uipaq_attach(device_t, device_t, void *); 131 static void uipaq_childdet(device_t, device_t); 132 static int uipaq_detach(device_t, int); 133 134 CFATTACH_DECL2_NEW(uipaq, sizeof(struct uipaq_softc), uipaq_match, 135 uipaq_attach, uipaq_detach, NULL, NULL, uipaq_childdet); 136 137 static int 138 uipaq_match(device_t parent, cfdata_t match, void *aux) 139 { 140 struct usb_attach_arg *uaa = aux; 141 142 DPRINTFN(20,("uipaq: vendor=%#x, product=%#x\n", 143 uaa->uaa_vendor, uaa->uaa_product)); 144 145 return uipaq_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 146 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 147 } 148 149 static void 150 uipaq_attach(device_t parent, device_t self, void *aux) 151 { 152 struct uipaq_softc *sc = device_private(self); 153 struct usb_attach_arg *uaa = aux; 154 struct usbd_device *dev = uaa->uaa_device; 155 struct usbd_interface *iface; 156 usb_interface_descriptor_t *id; 157 usb_endpoint_descriptor_t *ed; 158 char *devinfop; 159 const char *devname = device_xname(self); 160 int i; 161 usbd_status err; 162 struct ucom_attach_args ucaa; 163 164 DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc)); 165 166 sc->sc_dev = self; 167 sc->sc_dying = false; 168 169 aprint_naive("\n"); 170 aprint_normal("\n"); 171 172 devinfop = usbd_devinfo_alloc(dev, 0); 173 aprint_normal_dev(self, "%s\n", devinfop); 174 usbd_devinfo_free(devinfop); 175 176 /* Move the device into the configured state. */ 177 err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); 178 if (err) { 179 aprint_error_dev(self, "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 aprint_error("\n%s: failed to get interface, err=%s\n", 187 devname, usbd_errstr(err)); 188 goto bad; 189 } 190 191 sc->sc_flags = uipaq_lookup(uaa->uaa_vendor, uaa->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 ucaa.ucaa_ibufsize = UIPAQIBUFSIZE; 199 ucaa.ucaa_obufsize = UIPAQOBUFSIZE; 200 ucaa.ucaa_ibufsizepad = UIPAQIBUFSIZE; 201 ucaa.ucaa_opkthdrlen = 0; 202 ucaa.ucaa_device = dev; 203 ucaa.ucaa_iface = iface; 204 ucaa.ucaa_methods = &uipaq_methods; 205 ucaa.ucaa_arg = sc; 206 ucaa.ucaa_portno = UCOM_UNK_PORTNO; 207 ucaa.ucaa_info = "Generic"; 208 209 /* err = uipaq_init(sc); 210 if (err) { 211 printf("%s: init failed, %s\n", device_xname(sc->sc_dev), 212 usbd_errstr(err)); 213 goto bad; 214 }*/ 215 216 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 217 218 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 219 for (i=0; i<id->bNumEndpoints; i++) { 220 ed = usbd_interface2endpoint_descriptor(iface, i); 221 if (ed == NULL) { 222 aprint_error_dev(self, 223 "no endpoint descriptor for %d\n", i); 224 goto bad; 225 } 226 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 227 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 228 ucaa.ucaa_bulkin = ed->bEndpointAddress; 229 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 230 (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 231 ucaa.ucaa_bulkout = ed->bEndpointAddress; 232 } 233 } 234 if (ucaa.ucaa_bulkin == -1 || ucaa.ucaa_bulkout == -1) { 235 aprint_error_dev(self, "no proper endpoints found (%d,%d) \n", 236 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout); 237 return; 238 } 239 240 sc->sc_subdev = config_found(self, &ucaa, ucomprint, 241 CFARG_SUBMATCH, ucomsubmatch, 242 CFARG_EOL); 243 244 return; 245 246 bad: 247 DPRINTF(("uipaq_attach: ATTACH ERROR\n")); 248 sc->sc_dying = true; 249 return; 250 } 251 252 253 void 254 uipaq_dtr(struct uipaq_softc* sc, int onoff) 255 { 256 usb_device_request_t req; 257 usbd_status err; 258 int retries = 3; 259 260 DPRINTF(("%s: uipaq_dtr: onoff=%x\n", device_xname(sc->sc_dev), onoff)); 261 262 /* Avoid sending unnecessary requests */ 263 if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) 264 return; 265 if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) 266 return; 267 268 /* Other parameters depend on reg */ 269 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 270 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 271 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR 272 : sc->sc_lcr & ~UCDC_LINE_DTR; 273 USETW(req.wValue, sc->sc_lcr); 274 USETW(req.wIndex, 0x0); 275 USETW(req.wLength, 0); 276 277 /* Fire off the request a few times if necessary */ 278 while (retries) { 279 err = usbd_do_request(sc->sc_udev, &req, NULL); 280 if (!err) 281 break; 282 retries--; 283 } 284 } 285 286 287 void 288 uipaq_rts(struct uipaq_softc* sc, int onoff) 289 { 290 usb_device_request_t req; 291 usbd_status err; 292 int retries = 3; 293 294 DPRINTF(("%s: uipaq_rts: onoff=%x\n", device_xname(sc->sc_dev), onoff)); 295 296 /* Avoid sending unnecessary requests */ 297 if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; 298 if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; 299 300 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 301 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 302 sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS 303 : sc->sc_lcr & ~UCDC_LINE_RTS; 304 USETW(req.wValue, sc->sc_lcr); 305 USETW(req.wIndex, 0x0); 306 USETW(req.wLength, 0); 307 308 while (retries) { 309 err = usbd_do_request(sc->sc_udev, &req, NULL); 310 if (!err) 311 break; 312 retries--; 313 } 314 } 315 316 317 void 318 uipaq_break(struct uipaq_softc* sc, int onoff) 319 { 320 usb_device_request_t req; 321 usbd_status err; 322 int retries = 3; 323 324 DPRINTF(("%s: uipaq_break: onoff=%x\n", device_xname(sc->sc_dev), 325 onoff)); 326 327 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 328 req.bRequest = UCDC_SEND_BREAK; 329 330 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 331 USETW(req.wIndex, 0x0); 332 USETW(req.wLength, 0); 333 334 while (retries) { 335 err = usbd_do_request(sc->sc_udev, &req, NULL); 336 if (!err) 337 break; 338 retries--; 339 } 340 } 341 342 343 void 344 uipaq_set(void *addr, int portno, int reg, int onoff) 345 { 346 struct uipaq_softc* sc = addr; 347 348 if (sc->sc_dying) 349 return; 350 351 switch (reg) { 352 case UCOM_SET_DTR: 353 uipaq_dtr(addr, onoff); 354 break; 355 case UCOM_SET_RTS: 356 uipaq_rts(addr, onoff); 357 break; 358 case UCOM_SET_BREAK: 359 uipaq_break(addr, onoff); 360 break; 361 default: 362 aprint_error_dev(sc->sc_dev, 363 "unhandled set request: reg=%x onoff=%x\n", reg, onoff); 364 return; 365 } 366 } 367 368 static int 369 uipaq_open(void *arg, int portno) 370 { 371 struct uipaq_softc *sc = arg; 372 373 if (sc->sc_dying) 374 return EIO; 375 376 return 0; 377 } 378 379 static void 380 uipaq_childdet(device_t self, device_t child) 381 { 382 struct uipaq_softc *sc = device_private(self); 383 384 KASSERT(sc->sc_subdev == child); 385 sc->sc_subdev = NULL; 386 } 387 388 static int 389 uipaq_detach(device_t self, int flags) 390 { 391 struct uipaq_softc *sc = device_private(self); 392 int rv = 0; 393 394 DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags)); 395 396 sc->sc_dying = true; 397 398 if (sc->sc_subdev != NULL) { 399 rv |= config_detach(sc->sc_subdev, flags); 400 sc->sc_subdev = NULL; 401 } 402 if (sc->sc_udev != NULL) 403 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 404 sc->sc_dev); 405 406 return rv; 407 } 408
Indexes created Fri Sep 26 08:10:20 GMT 2025