| 1 | /* $NetBSD: uslsa.c,v 1.21 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | |
| 3 | /* from ugensa.c */ |
| 4 | |
| 5 | /* |
| 6 | * Copyright (c) 2004, 2005 The NetBSD Foundation, Inc. |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * This code is derived from software contributed to The NetBSD Foundation |
| 10 | * by Roland C. Dowdeswell <elric@netbsd.org>. |
| 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 | * Copyright (c) 2007, 2009 Jonathan A. Kollasch. |
| 36 | * All rights reserved. |
| 37 | * |
| 38 | * Redistribution and use in source and binary forms, with or without |
| 39 | * modification, are permitted provided that the following conditions |
| 40 | * are met: |
| 41 | * 1. Redistributions of source code must retain the above copyright |
| 42 | * notice, this list of conditions and the following disclaimer. |
| 43 | * 2. Redistributions in binary form must reproduce the above copyright |
| 44 | * notice, this list of conditions and the following disclaimer in the |
| 45 | * documentation and/or other materials provided with the distribution. |
| 46 | * |
| 47 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 48 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 49 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 50 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 51 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 52 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 53 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 54 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 55 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 56 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 57 | * |
| 58 | */ |
| 59 | |
| 60 | #include <sys/cdefs.h> |
| 61 | __KERNEL_RCSID(0, "$NetBSD: uslsa.c,v 1.21 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 62 | |
| 63 | #include <sys/param.h> |
| 64 | #include <sys/systm.h> |
| 65 | #include <sys/kernel.h> |
| 66 | #include <sys/device.h> |
| 67 | #include <sys/conf.h> |
| 68 | #include <sys/tty.h> |
| 69 | |
| 70 | #include <dev/usb/usb.h> |
| 71 | |
| 72 | #include <dev/usb/usbdi.h> |
| 73 | #include <dev/usb/usbdi_util.h> |
| 74 | #include <dev/usb/usbdevs.h> |
| 75 | |
| 76 | #include <dev/usb/ucomvar.h> |
| 77 | |
| 78 | #include <dev/usb/uslsareg.h> |
| 79 | |
| 80 | #include <fs/unicode.h> |
| 81 | |
| 82 | #ifdef USLSA_DEBUG |
| 83 | #define DPRINTF(x) if (uslsadebug) device_printf x |
| 84 | int uslsadebug = 0; |
| 85 | #else |
| 86 | #define DPRINTF(x) |
| 87 | #endif |
| 88 | |
| 89 | struct uslsa_softc { |
| 90 | device_t sc_dev; /* base device */ |
| 91 | device_t sc_subdev; /* ucom device */ |
| 92 | struct usbd_device * sc_udev; /* usb device */ |
| 93 | struct usbd_interface * sc_iface; /* interface */ |
| 94 | uint8_t sc_ifnum; /* interface number */ |
| 95 | bool sc_dying; /* disconnecting */ |
| 96 | }; |
| 97 | |
| 98 | static void uslsa_get_status(void *sc, int, u_char *, u_char *); |
| 99 | static void uslsa_set(void *, int, int, int); |
| 100 | static int uslsa_param(void *, int, struct termios *); |
| 101 | static int uslsa_ioctl(void *, int, u_long, void *, int, proc_t *); |
| 102 | |
| 103 | static int uslsa_open(void *, int); |
| 104 | static void uslsa_close(void *, int); |
| 105 | |
| 106 | static int uslsa_usbd_errno(usbd_status); |
| 107 | static int uslsa_request_set(struct uslsa_softc *, uint8_t, uint16_t); |
| 108 | static int uslsa_set_flow(struct uslsa_softc *, tcflag_t, tcflag_t); |
| 109 | |
| 110 | static const struct ucom_methods uslsa_methods = { |
| 111 | .ucom_get_status = uslsa_get_status, |
| 112 | .ucom_set = uslsa_set, |
| 113 | .ucom_param = uslsa_param, |
| 114 | .ucom_ioctl = uslsa_ioctl, |
| 115 | .ucom_open = uslsa_open, |
| 116 | .ucom_close = uslsa_close, |
| 117 | .ucom_read = NULL, |
| 118 | .ucom_write = NULL, |
| 119 | }; |
| 120 | |
| 121 | #define USLSA_CONFIG_INDEX 0 |
| 122 | #define USLSA_IFACE_INDEX 0 |
| 123 | #define USLSA_BUFSIZE 256 |
| 124 | |
| 125 | static const struct usb_devno uslsa_devs[] = { |
| 126 | { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, |
| 127 | { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, |
| 128 | { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, |
| 129 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, |
| 130 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, |
| 131 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, |
| 132 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, |
| 133 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, |
| 134 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, |
| 135 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, |
| 136 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, |
| 137 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, |
| 138 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, |
| 139 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, |
| 140 | { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUNNTO }, |
| 141 | { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, |
| 142 | { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 } |
| 143 | }; |
| 144 | |
| 145 | static int uslsa_match(device_t, cfdata_t, void *); |
| 146 | static void uslsa_attach(device_t, device_t, void *); |
| 147 | static void uslsa_childdet(device_t, device_t); |
| 148 | static int uslsa_detach(device_t, int); |
| 149 | static int uslsa_activate(device_t, enum devact); |
| 150 | |
| 151 | CFATTACH_DECL2_NEW(uslsa, sizeof(struct uslsa_softc), uslsa_match, |
| 152 | uslsa_attach, uslsa_detach, uslsa_activate, NULL, uslsa_childdet); |
| 153 | |
| 154 | static int |
| 155 | uslsa_match(device_t parent, cfdata_t match, void *aux) |
| 156 | { |
| 157 | const struct usbif_attach_arg *uiaa = aux; |
| 158 | |
| 159 | if (usb_lookup(uslsa_devs, uiaa->uiaa_vendor, uiaa->uiaa_product) |
| 160 | != NULL) |
| 161 | return UMATCH_VENDOR_PRODUCT; |
| 162 | else |
| 163 | return UMATCH_NONE; |
| 164 | } |
| 165 | |
| 166 | static void |
| 167 | uslsa_attach(device_t parent, device_t self, void *aux) |
| 168 | { |
| 169 | struct uslsa_softc *sc; |
| 170 | const struct usbif_attach_arg *uiaa = aux; |
| 171 | const usb_interface_descriptor_t *id; |
| 172 | const usb_endpoint_descriptor_t *ed; |
| 173 | char *devinfop; |
| 174 | struct ucom_attach_args ucaa; |
| 175 | int i; |
| 176 | |
| 177 | sc = device_private(self); |
| 178 | |
| 179 | sc->sc_dev = self; |
| 180 | sc->sc_udev = uiaa->uiaa_device; |
| 181 | sc->sc_iface = uiaa->uiaa_iface; |
| 182 | |
| 183 | aprint_naive("\n" ); |
| 184 | aprint_normal("\n" ); |
| 185 | |
| 186 | devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); |
| 187 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 188 | usbd_devinfo_free(devinfop); |
| 189 | |
| 190 | id = usbd_get_interface_descriptor(sc->sc_iface); |
| 191 | |
| 192 | sc->sc_ifnum = id->bInterfaceNumber; |
| 193 | |
| 194 | ucaa.ucaa_info = "Silicon Labs CP210x" ; |
| 195 | ucaa.ucaa_portno = UCOM_UNK_PORTNO; |
| 196 | ucaa.ucaa_ibufsize = USLSA_BUFSIZE; |
| 197 | ucaa.ucaa_obufsize = USLSA_BUFSIZE; |
| 198 | ucaa.ucaa_ibufsizepad = USLSA_BUFSIZE; |
| 199 | ucaa.ucaa_opkthdrlen = 0; |
| 200 | ucaa.ucaa_device = sc->sc_udev; |
| 201 | ucaa.ucaa_iface = sc->sc_iface; |
| 202 | ucaa.ucaa_methods = &uslsa_methods; |
| 203 | ucaa.ucaa_arg = sc; |
| 204 | |
| 205 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
| 206 | |
| 207 | ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; |
| 208 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 209 | int addr, dir, attr; |
| 210 | |
| 211 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); |
| 212 | if (ed == NULL) { |
| 213 | aprint_error_dev(self, |
| 214 | "could not read endpoint descriptor\n" ); |
| 215 | sc->sc_dying = true; |
| 216 | return; |
| 217 | } |
| 218 | addr = ed->bEndpointAddress; |
| 219 | dir = UE_GET_DIR(ed->bEndpointAddress); |
| 220 | attr = ed->bmAttributes & UE_XFERTYPE; |
| 221 | if (dir == UE_DIR_IN && attr == UE_BULK) { |
| 222 | ucaa.ucaa_bulkin = addr; |
| 223 | } else if (dir == UE_DIR_OUT && attr == UE_BULK) { |
| 224 | ucaa.ucaa_bulkout = addr; |
| 225 | } else { |
| 226 | aprint_error_dev(self, "unexpected endpoint\n" ); |
| 227 | } |
| 228 | } |
| 229 | aprint_debug_dev(sc->sc_dev, "EPs: in=%#x out=%#x\n" , |
| 230 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout); |
| 231 | if ((ucaa.ucaa_bulkin == -1) || (ucaa.ucaa_bulkout == -1)) { |
| 232 | aprint_error_dev(self, "could not find endpoints\n" ); |
| 233 | sc->sc_dying = true; |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | sc->sc_subdev = config_found_sm_loc(self, "ucombus" , NULL, &ucaa, |
| 238 | ucomprint, ucomsubmatch); |
| 239 | |
| 240 | return; |
| 241 | } |
| 242 | |
| 243 | static int |
| 244 | uslsa_activate(device_t self, enum devact act) |
| 245 | { |
| 246 | struct uslsa_softc *sc = device_private(self); |
| 247 | |
| 248 | switch (act) { |
| 249 | case DVACT_DEACTIVATE: |
| 250 | sc->sc_dying = true; |
| 251 | return 0; |
| 252 | default: |
| 253 | return EOPNOTSUPP; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | static void |
| 258 | uslsa_childdet(device_t self, device_t child) |
| 259 | { |
| 260 | struct uslsa_softc *sc = device_private(self); |
| 261 | |
| 262 | KASSERT(sc->sc_subdev == child); |
| 263 | sc->sc_subdev = NULL; |
| 264 | } |
| 265 | |
| 266 | static int |
| 267 | uslsa_detach(device_t self, int flags) |
| 268 | { |
| 269 | struct uslsa_softc *sc = device_private(self); |
| 270 | int rv = 0; |
| 271 | |
| 272 | DPRINTF((self, "%s(%p, %#x)\n" , __func__, self, flags)); |
| 273 | |
| 274 | sc->sc_dying = true; |
| 275 | |
| 276 | if (sc->sc_subdev != NULL) { |
| 277 | rv = config_detach(sc->sc_subdev, flags); |
| 278 | } |
| 279 | |
| 280 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 281 | |
| 282 | return (rv); |
| 283 | } |
| 284 | |
| 285 | static int |
| 286 | uslsa_usbd_errno(usbd_status status) |
| 287 | { |
| 288 | switch (status) { |
| 289 | case USBD_NORMAL_COMPLETION: |
| 290 | return 0; |
| 291 | case USBD_STALLED: |
| 292 | return EINVAL; |
| 293 | default: |
| 294 | return EIO; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | static void |
| 299 | uslsa_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) |
| 300 | { |
| 301 | struct uslsa_softc *sc; |
| 302 | usb_device_request_t req; |
| 303 | usbd_status status; |
| 304 | uint8_t mdmsts; |
| 305 | |
| 306 | sc = vsc; |
| 307 | |
| 308 | DPRINTF((sc->sc_dev, "%s(%p, %d, ....)\n" , __func__, vsc, portno)); |
| 309 | |
| 310 | if (sc->sc_dying) { |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | req.bmRequestType = UT_READ_VENDOR_INTERFACE; |
| 315 | req.bRequest = SLSA_R_GET_MDMSTS; |
| 316 | USETW(req.wValue, 0); |
| 317 | USETW(req.wIndex, sc->sc_ifnum); |
| 318 | USETW(req.wLength, SLSA_RL_GET_MDMSTS); |
| 319 | |
| 320 | status = usbd_do_request(sc->sc_udev, &req, &mdmsts); |
| 321 | if (status != USBD_NORMAL_COMPLETION) { |
| 322 | device_printf(sc->sc_dev, "%s: GET_MDMSTS %s\n" , |
| 323 | __func__, usbd_errstr(status)); |
| 324 | return; |
| 325 | } |
| 326 | |
| 327 | DPRINTF((sc->sc_dev, "%s: GET_MDMSTS %#x\n" , __func__, mdmsts)); |
| 328 | |
| 329 | if (lsr != NULL) { |
| 330 | *lsr = 0; |
| 331 | } |
| 332 | |
| 333 | if (msr != NULL) { |
| 334 | *msr = 0; |
| 335 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_CTS) ? UMSR_CTS : 0; |
| 336 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_DSR) ? UMSR_DSR : 0; |
| 337 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_RI) ? UMSR_RI : 0; |
| 338 | *msr |= ISSET(mdmsts, SLSA_MDMSTS_DCD) ? UMSR_DCD : 0; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | static void |
| 343 | uslsa_set(void *vsc, int portno, int reg, int onoff) |
| 344 | { |
| 345 | struct uslsa_softc *sc; |
| 346 | |
| 347 | sc = vsc; |
| 348 | |
| 349 | DPRINTF((sc->sc_dev, "%s(%p, %d, %d, %d)\n" , __func__, vsc, portno, |
| 350 | reg, onoff)); |
| 351 | |
| 352 | if (sc->sc_dying) { |
| 353 | return; |
| 354 | } |
| 355 | |
| 356 | switch (reg) { |
| 357 | case UCOM_SET_DTR: |
| 358 | if (uslsa_request_set(sc, SLSA_R_SET_MHS, |
| 359 | SLSA_RV_SET_MHS_DTR_MASK | |
| 360 | (onoff ? SLSA_RV_SET_MHS_DTR : 0))) { |
| 361 | device_printf(sc->sc_dev, "SET_MHS/DTR failed\n" ); |
| 362 | } |
| 363 | break; |
| 364 | case UCOM_SET_RTS: |
| 365 | if (uslsa_request_set(sc, SLSA_R_SET_MHS, |
| 366 | SLSA_RV_SET_MHS_RTS_MASK | |
| 367 | (onoff ? SLSA_RV_SET_MHS_RTS : 0))) { |
| 368 | device_printf(sc->sc_dev, "SET_MHS/RTS failed\n" ); |
| 369 | } |
| 370 | break; |
| 371 | case UCOM_SET_BREAK: |
| 372 | if (uslsa_request_set(sc, SLSA_R_SET_BREAK, |
| 373 | (onoff ? SLSA_RV_SET_BREAK_ENABLE : |
| 374 | SLSA_RV_SET_BREAK_DISABLE))) { |
| 375 | device_printf(sc->sc_dev, "SET_BREAK failed\n" ); |
| 376 | } |
| 377 | break; |
| 378 | default: |
| 379 | break; |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | static int |
| 384 | uslsa_param(void *vsc, int portno, struct termios *t) |
| 385 | { |
| 386 | struct uslsa_softc *sc; |
| 387 | usb_device_request_t req; |
| 388 | usbd_status status; |
| 389 | uint16_t value; |
| 390 | uint32_t baud; |
| 391 | int ret; |
| 392 | |
| 393 | sc = vsc; |
| 394 | |
| 395 | DPRINTF((sc->sc_dev, "%s(%p, %d, %p)\n" , __func__, vsc, portno, t)); |
| 396 | |
| 397 | if (sc->sc_dying) { |
| 398 | return EIO; |
| 399 | } |
| 400 | |
| 401 | req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; |
| 402 | req.bRequest = SLSA_R_SET_BAUDRATE; |
| 403 | USETW(req.wValue, 0); |
| 404 | USETW(req.wIndex, sc->sc_ifnum); |
| 405 | USETW(req.wLength, 4); |
| 406 | |
| 407 | baud = t->c_ospeed; |
| 408 | status = usbd_do_request(sc->sc_udev, &req, &baud); |
| 409 | if (status != USBD_NORMAL_COMPLETION) { |
| 410 | /* fallback method for devices that don't know SET_BAUDRATE */ |
| 411 | /* hope we calculate it right */ |
| 412 | device_printf(sc->sc_dev, "%s: set baudrate %d, failed %s," |
| 413 | " using set bauddiv\n" , |
| 414 | __func__, baud, usbd_errstr(status)); |
| 415 | |
| 416 | value = SLSA_RV_BAUDDIV(t->c_ospeed); |
| 417 | if ((ret = uslsa_request_set(sc, SLSA_R_SET_BAUDDIV, value)) |
| 418 | != 0) { |
| 419 | device_printf(sc->sc_dev, "%s: SET_BAUDDIV failed\n" , |
| 420 | __func__); |
| 421 | return ret; |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | value = 0; |
| 426 | |
| 427 | if (ISSET(t->c_cflag, CSTOPB)) { |
| 428 | value |= SLSA_RV_LINE_CTL_STOP_2; |
| 429 | } else { |
| 430 | value |= SLSA_RV_LINE_CTL_STOP_1; |
| 431 | } |
| 432 | |
| 433 | if (ISSET(t->c_cflag, PARENB)) { |
| 434 | if (ISSET(t->c_cflag, PARODD)) { |
| 435 | value |= SLSA_RV_LINE_CTL_PARITY_ODD; |
| 436 | } else { |
| 437 | value |= SLSA_RV_LINE_CTL_PARITY_EVEN; |
| 438 | } |
| 439 | } else { |
| 440 | value |= SLSA_RV_LINE_CTL_PARITY_NONE; |
| 441 | } |
| 442 | |
| 443 | switch (ISSET(t->c_cflag, CSIZE)) { |
| 444 | case CS5: |
| 445 | value |= SLSA_RV_LINE_CTL_LEN_5; |
| 446 | break; |
| 447 | case CS6: |
| 448 | value |= SLSA_RV_LINE_CTL_LEN_6; |
| 449 | break; |
| 450 | case CS7: |
| 451 | value |= SLSA_RV_LINE_CTL_LEN_7; |
| 452 | break; |
| 453 | case CS8: |
| 454 | value |= SLSA_RV_LINE_CTL_LEN_8; |
| 455 | break; |
| 456 | } |
| 457 | |
| 458 | DPRINTF((sc->sc_dev, "%s: setting LINE_CTL to 0x%x\n" , |
| 459 | __func__, value)); |
| 460 | if ((ret = uslsa_request_set(sc, SLSA_R_SET_LINE_CTL, value)) != 0) { |
| 461 | device_printf(sc->sc_dev, "SET_LINE_CTL failed\n" ); |
| 462 | return ret; |
| 463 | } |
| 464 | |
| 465 | if ((ret = uslsa_set_flow(sc, t->c_cflag, t->c_iflag)) != 0) { |
| 466 | device_printf(sc->sc_dev, "SET_LINE_CTL failed\n" ); |
| 467 | } |
| 468 | |
| 469 | return ret; |
| 470 | } |
| 471 | |
| 472 | static int |
| 473 | uslsa_ioctl(void *vsc, int portno, u_long cmd, void *data, int flag, proc_t *p) |
| 474 | { |
| 475 | struct uslsa_softc *sc; |
| 476 | |
| 477 | sc = vsc; |
| 478 | |
| 479 | switch (cmd) { |
| 480 | case TIOCMGET: |
| 481 | ucom_status_change(device_private(sc->sc_subdev)); |
| 482 | return EPASSTHROUGH; |
| 483 | default: |
| 484 | return EPASSTHROUGH; |
| 485 | } |
| 486 | |
| 487 | return 0; |
| 488 | } |
| 489 | |
| 490 | static int |
| 491 | uslsa_open(void *vsc, int portno) |
| 492 | { |
| 493 | struct uslsa_softc *sc; |
| 494 | |
| 495 | sc = vsc; |
| 496 | |
| 497 | DPRINTF((sc->sc_dev, "%s(%p, %d)\n" , __func__, vsc, portno)); |
| 498 | |
| 499 | if (sc->sc_dying) { |
| 500 | return EIO; |
| 501 | } |
| 502 | |
| 503 | return uslsa_request_set(sc, SLSA_R_IFC_ENABLE, |
| 504 | SLSA_RV_IFC_ENABLE_ENABLE); |
| 505 | } |
| 506 | |
| 507 | static void |
| 508 | uslsa_close(void *vsc, int portno) |
| 509 | { |
| 510 | struct uslsa_softc *sc; |
| 511 | |
| 512 | sc = vsc; |
| 513 | |
| 514 | DPRINTF((sc->sc_dev, "%s(%p, %d)\n" , __func__, vsc, portno)); |
| 515 | |
| 516 | if (sc->sc_dying) { |
| 517 | return; |
| 518 | } |
| 519 | |
| 520 | (void)uslsa_request_set(sc, SLSA_R_IFC_ENABLE, |
| 521 | SLSA_RV_IFC_ENABLE_DISABLE); |
| 522 | } |
| 523 | |
| 524 | static int |
| 525 | uslsa_request_set(struct uslsa_softc * sc, uint8_t request, uint16_t value) |
| 526 | { |
| 527 | usb_device_request_t req; |
| 528 | usbd_status status; |
| 529 | |
| 530 | req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; |
| 531 | req.bRequest = request; |
| 532 | USETW(req.wValue, value); |
| 533 | USETW(req.wIndex, sc->sc_ifnum); |
| 534 | USETW(req.wLength, 0); |
| 535 | |
| 536 | status = usbd_do_request(sc->sc_udev, &req, NULL); |
| 537 | |
| 538 | return uslsa_usbd_errno(status); |
| 539 | } |
| 540 | |
| 541 | static int |
| 542 | uslsa_set_flow(struct uslsa_softc *sc, tcflag_t cflag, tcflag_t iflag) |
| 543 | { |
| 544 | struct slsa_fcs fcs; |
| 545 | usb_device_request_t req; |
| 546 | uint32_t ulControlHandshake; |
| 547 | uint32_t ulFlowReplace; |
| 548 | usbd_status status; |
| 549 | |
| 550 | DPRINTF((sc->sc_dev, "%s(%p, %#x, %#x)\n" , __func__, sc, cflag, iflag)); |
| 551 | |
| 552 | req.bmRequestType = UT_READ_VENDOR_INTERFACE; |
| 553 | req.bRequest = SLSA_R_GET_FLOW; |
| 554 | USETW(req.wValue, 0); |
| 555 | USETW(req.wIndex, sc->sc_ifnum); |
| 556 | USETW(req.wLength, SLSA_RL_GET_FLOW); |
| 557 | |
| 558 | status = usbd_do_request(sc->sc_udev, &req, &fcs); |
| 559 | if (status != USBD_NORMAL_COMPLETION) { |
| 560 | device_printf(sc->sc_dev, "%s: GET_FLOW %s\n" , |
| 561 | __func__, usbd_errstr(status)); |
| 562 | return uslsa_usbd_errno(status); |
| 563 | } |
| 564 | |
| 565 | ulControlHandshake = le32toh(fcs.ulControlHandshake); |
| 566 | ulFlowReplace = le32toh(fcs.ulFlowReplace); |
| 567 | |
| 568 | if (ISSET(cflag, CRTSCTS)) { |
| 569 | ulControlHandshake = |
| 570 | SERIAL_CTS_HANDSHAKE | __SHIFTIN(1, SERIAL_DTR_MASK); |
| 571 | ulFlowReplace = __SHIFTIN(2, SERIAL_RTS_MASK); |
| 572 | } else { |
| 573 | ulControlHandshake = __SHIFTIN(1, SERIAL_DTR_MASK); |
| 574 | ulFlowReplace = __SHIFTIN(1, SERIAL_RTS_MASK); |
| 575 | } |
| 576 | |
| 577 | fcs.ulControlHandshake = htole32(ulControlHandshake); |
| 578 | fcs.ulFlowReplace = htole32(ulFlowReplace); |
| 579 | |
| 580 | req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; |
| 581 | req.bRequest = SLSA_R_SET_FLOW; |
| 582 | USETW(req.wValue, 0); |
| 583 | USETW(req.wIndex, sc->sc_ifnum); |
| 584 | USETW(req.wLength, SLSA_RL_SET_FLOW); |
| 585 | |
| 586 | status = usbd_do_request(sc->sc_udev, &req, &fcs); |
| 587 | |
| 588 | return uslsa_usbd_errno(status); |
| 589 | } |
| 590 | |