| 1 | /* $NetBSD: uplcom.c,v 1.79 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2001 The NetBSD Foundation, Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * This code is derived from software contributed to The NetBSD Foundation |
| 7 | * by Ichiro FUKUHARA (ichiro@ichiro.org). |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 19 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 20 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 21 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 22 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | /* |
| 32 | * General information: http://www.prolific.com.tw/fr_pl2303.htm |
| 33 | * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf |
| 34 | */ |
| 35 | |
| 36 | #include <sys/cdefs.h> |
| 37 | __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.79 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 38 | |
| 39 | #ifdef _KERNEL_OPT |
| 40 | #include "opt_usb.h" |
| 41 | #endif |
| 42 | |
| 43 | #include <sys/param.h> |
| 44 | #include <sys/systm.h> |
| 45 | #include <sys/kernel.h> |
| 46 | #include <sys/kmem.h> |
| 47 | #include <sys/ioctl.h> |
| 48 | #include <sys/conf.h> |
| 49 | #include <sys/tty.h> |
| 50 | #include <sys/file.h> |
| 51 | #include <sys/select.h> |
| 52 | #include <sys/proc.h> |
| 53 | #include <sys/device.h> |
| 54 | #include <sys/poll.h> |
| 55 | |
| 56 | #include <dev/usb/usb.h> |
| 57 | #include <dev/usb/usbcdc.h> |
| 58 | |
| 59 | #include <dev/usb/usbdi.h> |
| 60 | #include <dev/usb/usbdi_util.h> |
| 61 | #include <dev/usb/usbdevs.h> |
| 62 | #include <dev/usb/usb_quirks.h> |
| 63 | |
| 64 | #include <dev/usb/ucomvar.h> |
| 65 | |
| 66 | #ifdef UPLCOM_DEBUG |
| 67 | #define DPRINTFN(n, x) if (uplcomdebug > (n)) printf x |
| 68 | int uplcomdebug = 0; |
| 69 | #else |
| 70 | #define DPRINTFN(n, x) |
| 71 | #endif |
| 72 | #define DPRINTF(x) DPRINTFN(0, x) |
| 73 | |
| 74 | #define UPLCOM_CONFIG_INDEX 0 |
| 75 | #define UPLCOM_IFACE_INDEX 0 |
| 76 | #define UPLCOM_SECOND_IFACE_INDEX 1 |
| 77 | |
| 78 | #define UPLCOM_SET_REQUEST 0x01 |
| 79 | #define UPLCOM_SET_CRTSCTS_0 0x41 |
| 80 | #define UPLCOM_SET_CRTSCTS_HX 0x61 |
| 81 | |
| 82 | #define UPLCOM_N_SERIAL_CTS 0x80 |
| 83 | |
| 84 | enum pl2303_type { |
| 85 | UPLCOM_TYPE_0, /* we use this for all non-HX variants */ |
| 86 | UPLCOM_TYPE_HX, |
| 87 | }; |
| 88 | |
| 89 | struct uplcom_softc { |
| 90 | device_t sc_dev; /* base device */ |
| 91 | struct usbd_device * sc_udev; /* USB device */ |
| 92 | struct usbd_interface * sc_iface; /* interface */ |
| 93 | int sc_iface_number; /* interface number */ |
| 94 | |
| 95 | struct usbd_interface * sc_intr_iface; /* interrupt interface */ |
| 96 | int sc_intr_number; /* interrupt number */ |
| 97 | struct usbd_pipe * sc_intr_pipe; /* interrupt pipe */ |
| 98 | u_char *sc_intr_buf; /* interrupt buffer */ |
| 99 | int sc_isize; |
| 100 | |
| 101 | usb_cdc_line_state_t sc_line_state; /* current line state */ |
| 102 | int sc_dtr; /* current DTR state */ |
| 103 | int sc_rts; /* current RTS state */ |
| 104 | |
| 105 | device_t sc_subdev; /* ucom device */ |
| 106 | |
| 107 | u_char sc_dying; /* disconnecting */ |
| 108 | |
| 109 | u_char sc_lsr; /* Local status register */ |
| 110 | u_char sc_msr; /* uplcom status register */ |
| 111 | |
| 112 | enum pl2303_type sc_type; /* PL2303 chip type */ |
| 113 | }; |
| 114 | |
| 115 | /* |
| 116 | * These are the maximum number of bytes transferred per frame. |
| 117 | * The output buffer size cannot be increased due to the size encoding. |
| 118 | */ |
| 119 | #define UPLCOMIBUFSIZE 256 |
| 120 | #define UPLCOMOBUFSIZE 256 |
| 121 | |
| 122 | Static usbd_status uplcom_reset(struct uplcom_softc *); |
| 123 | Static usbd_status uplcom_set_line_coding(struct uplcom_softc *, |
| 124 | usb_cdc_line_state_t *); |
| 125 | Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); |
| 126 | Static void uplcom_intr(struct usbd_xfer *, void *, usbd_status); |
| 127 | |
| 128 | Static void uplcom_set(void *, int, int, int); |
| 129 | Static void uplcom_dtr(struct uplcom_softc *, int); |
| 130 | Static void uplcom_rts(struct uplcom_softc *, int); |
| 131 | Static void uplcom_break(struct uplcom_softc *, int); |
| 132 | Static void uplcom_set_line_state(struct uplcom_softc *); |
| 133 | Static void uplcom_get_status(void *, int, u_char *, u_char *); |
| 134 | #if TODO |
| 135 | Static int uplcom_ioctl(void *, int, u_long, void *, int, proc_t *); |
| 136 | #endif |
| 137 | Static int uplcom_param(void *, int, struct termios *); |
| 138 | Static int uplcom_open(void *, int); |
| 139 | Static void uplcom_close(void *, int); |
| 140 | Static usbd_status uplcom_vendor_control_write(struct usbd_device *, uint16_t, uint16_t); |
| 141 | |
| 142 | struct ucom_methods uplcom_methods = { |
| 143 | .ucom_get_status = uplcom_get_status, |
| 144 | .ucom_set = uplcom_set, |
| 145 | .ucom_param = uplcom_param, |
| 146 | .ucom_ioctl = NULL, /* TODO */ |
| 147 | .ucom_open = uplcom_open, |
| 148 | .ucom_close = uplcom_close, |
| 149 | .ucom_read = NULL, |
| 150 | .ucom_write = NULL, |
| 151 | }; |
| 152 | |
| 153 | static const struct usb_devno uplcom_devs[] = { |
| 154 | /* I/O DATA USB-RSAQ2 */ |
| 155 | { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, |
| 156 | /* I/O DATA USB-RSAQ3 */ |
| 157 | { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, |
| 158 | /* I/O DATA USB-RSAQ */ |
| 159 | { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, |
| 160 | /* I/O DATA USB-RSAQ5 */ |
| 161 | { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, |
| 162 | /* PLANEX USB-RS232 URS-03 */ |
| 163 | { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, |
| 164 | /* various */ |
| 165 | { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, |
| 166 | /* SMART Technologies USB to serial */ |
| 167 | { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, |
| 168 | /* IOGEAR/ATENTRIPPLITE */ |
| 169 | { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, |
| 170 | /* ELECOM UC-SGT */ |
| 171 | { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, |
| 172 | /* ELECOM UC-SGT0 */ |
| 173 | { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, |
| 174 | /* Panasonic 50" Touch Panel */ |
| 175 | { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, |
| 176 | /* RATOC REX-USB60 */ |
| 177 | { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, |
| 178 | /* TDK USB-PHS Adapter UHA6400 */ |
| 179 | { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, |
| 180 | /* TDK USB-PDC Adapter UPA9664 */ |
| 181 | { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, |
| 182 | /* Sony Ericsson USB Cable */ |
| 183 | { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, |
| 184 | /* SOURCENEXT KeikaiDenwa 8 */ |
| 185 | { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, |
| 186 | /* SOURCENEXT KeikaiDenwa 8 with charger */ |
| 187 | { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, |
| 188 | /* HAL Corporation Crossam2+USB */ |
| 189 | { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, |
| 190 | /* Sitecom USB to serial cable */ |
| 191 | { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, |
| 192 | /* Pharos USB GPS - Microsoft version */ |
| 193 | { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, |
| 194 | /* Willcom WS002IN (DD) */ |
| 195 | { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, |
| 196 | /* COREGA CG-USBRS232R */ |
| 197 | { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGUSBRS232R }, |
| 198 | /* Sharp CE-175TU (USB to Zaurus option port 15 adapter) */ |
| 199 | { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_CE175TU }, |
| 200 | }; |
| 201 | #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) |
| 202 | |
| 203 | int uplcom_match(device_t, cfdata_t, void *); |
| 204 | void uplcom_attach(device_t, device_t, void *); |
| 205 | void uplcom_childdet(device_t, device_t); |
| 206 | int uplcom_detach(device_t, int); |
| 207 | int uplcom_activate(device_t, enum devact); |
| 208 | extern struct cfdriver uplcom_cd; |
| 209 | CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match, |
| 210 | uplcom_attach, uplcom_detach, uplcom_activate, NULL, uplcom_childdet); |
| 211 | |
| 212 | int |
| 213 | uplcom_match(device_t parent, cfdata_t match, void *aux) |
| 214 | { |
| 215 | struct usb_attach_arg *uaa = aux; |
| 216 | |
| 217 | return uplcom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
| 218 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 219 | } |
| 220 | |
| 221 | void |
| 222 | uplcom_attach(device_t parent, device_t self, void *aux) |
| 223 | { |
| 224 | struct uplcom_softc *sc = device_private(self); |
| 225 | struct usb_attach_arg *uaa = aux; |
| 226 | struct usbd_device *dev = uaa->uaa_device; |
| 227 | usb_device_descriptor_t *ddesc; |
| 228 | usb_config_descriptor_t *cdesc; |
| 229 | usb_interface_descriptor_t *id; |
| 230 | usb_endpoint_descriptor_t *ed; |
| 231 | char *devinfop; |
| 232 | const char *devname = device_xname(self); |
| 233 | usbd_status err; |
| 234 | int i; |
| 235 | struct ucom_attach_args ucaa; |
| 236 | |
| 237 | sc->sc_dev = self; |
| 238 | |
| 239 | aprint_naive("\n" ); |
| 240 | aprint_normal("\n" ); |
| 241 | |
| 242 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 243 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 244 | usbd_devinfo_free(devinfop); |
| 245 | |
| 246 | sc->sc_udev = dev; |
| 247 | |
| 248 | DPRINTF(("\n\nuplcom attach: sc=%p\n" , sc)); |
| 249 | |
| 250 | /* initialize endpoints */ |
| 251 | ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; |
| 252 | sc->sc_intr_number = -1; |
| 253 | sc->sc_intr_pipe = NULL; |
| 254 | |
| 255 | /* Move the device into the configured state. */ |
| 256 | err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); |
| 257 | if (err) { |
| 258 | aprint_error("\n%s: failed to set configuration, err=%s\n" , |
| 259 | devname, usbd_errstr(err)); |
| 260 | sc->sc_dying = 1; |
| 261 | return; |
| 262 | } |
| 263 | |
| 264 | /* determine chip type */ |
| 265 | ddesc = usbd_get_device_descriptor(dev); |
| 266 | if (ddesc->bDeviceClass != UDCLASS_COMM && |
| 267 | ddesc->bMaxPacketSize == 0x40) |
| 268 | sc->sc_type = UPLCOM_TYPE_HX; |
| 269 | |
| 270 | #ifdef UPLCOM_DEBUG |
| 271 | /* print the chip type */ |
| 272 | if (sc->sc_type == UPLCOM_TYPE_HX) { |
| 273 | DPRINTF(("uplcom_attach: chiptype HX\n" )); |
| 274 | } else { |
| 275 | DPRINTF(("uplcom_attach: chiptype 0\n" )); |
| 276 | } |
| 277 | #endif |
| 278 | |
| 279 | /* Move the device into the configured state. */ |
| 280 | err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); |
| 281 | if (err) { |
| 282 | aprint_error_dev(self, "failed to set configuration: %s\n" , |
| 283 | usbd_errstr(err)); |
| 284 | sc->sc_dying = 1; |
| 285 | return; |
| 286 | } |
| 287 | |
| 288 | /* get the config descriptor */ |
| 289 | cdesc = usbd_get_config_descriptor(sc->sc_udev); |
| 290 | |
| 291 | if (cdesc == NULL) { |
| 292 | aprint_error_dev(self, |
| 293 | "failed to get configuration descriptor\n" ); |
| 294 | sc->sc_dying = 1; |
| 295 | return; |
| 296 | } |
| 297 | |
| 298 | /* get the (first/common) interface */ |
| 299 | err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, |
| 300 | &sc->sc_iface); |
| 301 | if (err) { |
| 302 | aprint_error("\n%s: failed to get interface, err=%s\n" , |
| 303 | devname, usbd_errstr(err)); |
| 304 | sc->sc_dying = 1; |
| 305 | return; |
| 306 | } |
| 307 | |
| 308 | /* Find the interrupt endpoints */ |
| 309 | |
| 310 | id = usbd_get_interface_descriptor(sc->sc_iface); |
| 311 | sc->sc_iface_number = id->bInterfaceNumber; |
| 312 | |
| 313 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 314 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); |
| 315 | if (ed == NULL) { |
| 316 | aprint_error_dev(self, |
| 317 | "no endpoint descriptor for %d\n" , i); |
| 318 | sc->sc_dying = 1; |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 323 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { |
| 324 | sc->sc_intr_number = ed->bEndpointAddress; |
| 325 | sc->sc_isize = UGETW(ed->wMaxPacketSize); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | if (sc->sc_intr_number== -1) { |
| 330 | aprint_error_dev(self, "Could not find interrupt in\n" ); |
| 331 | sc->sc_dying = 1; |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | /* keep interface for interrupt */ |
| 336 | sc->sc_intr_iface = sc->sc_iface; |
| 337 | |
| 338 | /* |
| 339 | * USB-RSAQ1 has two interface |
| 340 | * |
| 341 | * USB-RSAQ1 | USB-RSAQ2 |
| 342 | * -----------------+----------------- |
| 343 | * Interface 0 |Interface 0 |
| 344 | * Interrupt(0x81) | Interrupt(0x81) |
| 345 | * -----------------+ BulkIN(0x02) |
| 346 | * Interface 1 | BulkOUT(0x83) |
| 347 | * BulkIN(0x02) | |
| 348 | * BulkOUT(0x83) | |
| 349 | */ |
| 350 | if (cdesc->bNumInterface == 2) { |
| 351 | err = usbd_device2interface_handle(dev, |
| 352 | UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); |
| 353 | if (err) { |
| 354 | aprint_error("\n%s: failed to get second interface, " |
| 355 | "err=%s\n" , devname, usbd_errstr(err)); |
| 356 | sc->sc_dying = 1; |
| 357 | return; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | /* Find the bulk{in,out} endpoints */ |
| 362 | |
| 363 | id = usbd_get_interface_descriptor(sc->sc_iface); |
| 364 | sc->sc_iface_number = id->bInterfaceNumber; |
| 365 | |
| 366 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 367 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); |
| 368 | if (ed == NULL) { |
| 369 | aprint_error_dev(self, |
| 370 | "no endpoint descriptor for %d\n" , i); |
| 371 | sc->sc_dying = 1; |
| 372 | return; |
| 373 | } |
| 374 | |
| 375 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 376 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 377 | ucaa.ucaa_bulkin = ed->bEndpointAddress; |
| 378 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
| 379 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 380 | ucaa.ucaa_bulkout = ed->bEndpointAddress; |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | if (ucaa.ucaa_bulkin == -1) { |
| 385 | aprint_error_dev(self, "Could not find data bulk in\n" ); |
| 386 | sc->sc_dying = 1; |
| 387 | return; |
| 388 | } |
| 389 | |
| 390 | if (ucaa.ucaa_bulkout == -1) { |
| 391 | aprint_error_dev(self, "Could not find data bulk out\n" ); |
| 392 | sc->sc_dying = 1; |
| 393 | return; |
| 394 | } |
| 395 | |
| 396 | sc->sc_dtr = sc->sc_rts = -1; |
| 397 | ucaa.ucaa_portno = UCOM_UNK_PORTNO; |
| 398 | /* ucaa_bulkin, ucaa_bulkout set above */ |
| 399 | ucaa.ucaa_ibufsize = UPLCOMIBUFSIZE; |
| 400 | ucaa.ucaa_obufsize = UPLCOMOBUFSIZE; |
| 401 | ucaa.ucaa_ibufsizepad = UPLCOMIBUFSIZE; |
| 402 | ucaa.ucaa_opkthdrlen = 0; |
| 403 | ucaa.ucaa_device = dev; |
| 404 | ucaa.ucaa_iface = sc->sc_iface; |
| 405 | ucaa.ucaa_methods = &uplcom_methods; |
| 406 | ucaa.ucaa_arg = sc; |
| 407 | ucaa.ucaa_info = NULL; |
| 408 | |
| 409 | err = uplcom_reset(sc); |
| 410 | |
| 411 | if (err) { |
| 412 | aprint_error_dev(self, "reset failed, %s\n" , usbd_errstr(err)); |
| 413 | sc->sc_dying = 1; |
| 414 | return; |
| 415 | } |
| 416 | |
| 417 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
| 418 | |
| 419 | DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n" , |
| 420 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number )); |
| 421 | sc->sc_subdev = config_found_sm_loc(self, "ucombus" , NULL, &ucaa, |
| 422 | ucomprint, ucomsubmatch); |
| 423 | |
| 424 | if (!pmf_device_register(self, NULL, NULL)) |
| 425 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 426 | |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | void |
| 431 | uplcom_childdet(device_t self, device_t child) |
| 432 | { |
| 433 | struct uplcom_softc *sc = device_private(self); |
| 434 | |
| 435 | KASSERT(sc->sc_subdev == child); |
| 436 | sc->sc_subdev = NULL; |
| 437 | } |
| 438 | |
| 439 | int |
| 440 | uplcom_detach(device_t self, int flags) |
| 441 | { |
| 442 | struct uplcom_softc *sc = device_private(self); |
| 443 | int rv = 0; |
| 444 | |
| 445 | DPRINTF(("uplcom_detach: sc=%p flags=%d\n" , sc, flags)); |
| 446 | |
| 447 | if (sc->sc_intr_pipe != NULL) { |
| 448 | usbd_abort_pipe(sc->sc_intr_pipe); |
| 449 | usbd_close_pipe(sc->sc_intr_pipe); |
| 450 | kmem_free(sc->sc_intr_buf, sc->sc_isize); |
| 451 | sc->sc_intr_pipe = NULL; |
| 452 | } |
| 453 | |
| 454 | sc->sc_dying = 1; |
| 455 | if (sc->sc_subdev != NULL) |
| 456 | rv = config_detach(sc->sc_subdev, flags); |
| 457 | |
| 458 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 459 | |
| 460 | if (rv == 0) |
| 461 | pmf_device_deregister(self); |
| 462 | |
| 463 | return rv; |
| 464 | } |
| 465 | |
| 466 | int |
| 467 | uplcom_activate(device_t self, enum devact act) |
| 468 | { |
| 469 | struct uplcom_softc *sc = device_private(self); |
| 470 | |
| 471 | switch (act) { |
| 472 | case DVACT_DEACTIVATE: |
| 473 | sc->sc_dying = 1; |
| 474 | return 0; |
| 475 | default: |
| 476 | return EOPNOTSUPP; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | usbd_status |
| 481 | uplcom_reset(struct uplcom_softc *sc) |
| 482 | { |
| 483 | usb_device_request_t req; |
| 484 | usbd_status err; |
| 485 | |
| 486 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 487 | req.bRequest = UPLCOM_SET_REQUEST; |
| 488 | USETW(req.wValue, 0); |
| 489 | USETW(req.wIndex, sc->sc_iface_number); |
| 490 | USETW(req.wLength, 0); |
| 491 | |
| 492 | err = usbd_do_request(sc->sc_udev, &req, 0); |
| 493 | if (err) |
| 494 | return EIO; |
| 495 | |
| 496 | return 0; |
| 497 | } |
| 498 | |
| 499 | struct pl2303x_init { |
| 500 | uint8_t req_type; |
| 501 | uint8_t request; |
| 502 | uint16_t value; |
| 503 | uint16_t index; |
| 504 | }; |
| 505 | |
| 506 | static const struct pl2303x_init pl2303x[] = { |
| 507 | { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, |
| 508 | { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0 }, |
| 509 | { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, |
| 510 | { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 }, |
| 511 | { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, |
| 512 | { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1 }, |
| 513 | { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, |
| 514 | { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 }, |
| 515 | { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1 }, |
| 516 | { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0 }, |
| 517 | { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44 } |
| 518 | }; |
| 519 | #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) |
| 520 | |
| 521 | static usbd_status |
| 522 | uplcom_pl2303x_init(struct uplcom_softc *sc) |
| 523 | { |
| 524 | usb_device_request_t req; |
| 525 | usbd_status err; |
| 526 | int i; |
| 527 | |
| 528 | for (i = 0; i < N_PL2302X_INIT; i++) { |
| 529 | char buf[1]; |
| 530 | void *b; |
| 531 | |
| 532 | req.bmRequestType = pl2303x[i].req_type; |
| 533 | req.bRequest = pl2303x[i].request; |
| 534 | USETW(req.wValue, pl2303x[i].value); |
| 535 | USETW(req.wIndex, pl2303x[i].index); |
| 536 | if (UT_GET_DIR(req.bmRequestType) == UT_READ) { |
| 537 | b = buf; |
| 538 | USETW(req.wLength, sizeof(buf)); |
| 539 | } else { |
| 540 | b = NULL; |
| 541 | USETW(req.wLength, 0); |
| 542 | } |
| 543 | |
| 544 | err = usbd_do_request(sc->sc_udev, &req, b); |
| 545 | if (err) { |
| 546 | aprint_error_dev(sc->sc_dev, |
| 547 | "uplcom_pl2303x_init failed: %s\n" , |
| 548 | usbd_errstr(err)); |
| 549 | return EIO; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | return 0; |
| 554 | } |
| 555 | |
| 556 | void |
| 557 | uplcom_set_line_state(struct uplcom_softc *sc) |
| 558 | { |
| 559 | usb_device_request_t req; |
| 560 | int ls; |
| 561 | |
| 562 | /* make sure we have initialized state for sc_dtr and sc_rts */ |
| 563 | if (sc->sc_dtr == -1) |
| 564 | sc->sc_dtr = 0; |
| 565 | if (sc->sc_rts == -1) |
| 566 | sc->sc_rts = 0; |
| 567 | |
| 568 | ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | |
| 569 | (sc->sc_rts ? UCDC_LINE_RTS : 0); |
| 570 | |
| 571 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 572 | req.bRequest = UCDC_SET_CONTROL_LINE_STATE; |
| 573 | USETW(req.wValue, ls); |
| 574 | USETW(req.wIndex, sc->sc_iface_number); |
| 575 | USETW(req.wLength, 0); |
| 576 | |
| 577 | (void)usbd_do_request(sc->sc_udev, &req, 0); |
| 578 | } |
| 579 | |
| 580 | void |
| 581 | uplcom_set(void *addr, int portno, int reg, int onoff) |
| 582 | { |
| 583 | struct uplcom_softc *sc = addr; |
| 584 | |
| 585 | switch (reg) { |
| 586 | case UCOM_SET_DTR: |
| 587 | uplcom_dtr(sc, onoff); |
| 588 | break; |
| 589 | case UCOM_SET_RTS: |
| 590 | uplcom_rts(sc, onoff); |
| 591 | break; |
| 592 | case UCOM_SET_BREAK: |
| 593 | uplcom_break(sc, onoff); |
| 594 | break; |
| 595 | default: |
| 596 | break; |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | void |
| 601 | uplcom_dtr(struct uplcom_softc *sc, int onoff) |
| 602 | { |
| 603 | |
| 604 | DPRINTF(("uplcom_dtr: onoff=%d\n" , onoff)); |
| 605 | |
| 606 | if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) |
| 607 | return; |
| 608 | |
| 609 | sc->sc_dtr = !!onoff; |
| 610 | |
| 611 | uplcom_set_line_state(sc); |
| 612 | } |
| 613 | |
| 614 | void |
| 615 | uplcom_rts(struct uplcom_softc *sc, int onoff) |
| 616 | { |
| 617 | DPRINTF(("uplcom_rts: onoff=%d\n" , onoff)); |
| 618 | |
| 619 | if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) |
| 620 | return; |
| 621 | |
| 622 | sc->sc_rts = !!onoff; |
| 623 | |
| 624 | uplcom_set_line_state(sc); |
| 625 | } |
| 626 | |
| 627 | void |
| 628 | uplcom_break(struct uplcom_softc *sc, int onoff) |
| 629 | { |
| 630 | usb_device_request_t req; |
| 631 | |
| 632 | DPRINTF(("uplcom_break: onoff=%d\n" , onoff)); |
| 633 | |
| 634 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 635 | req.bRequest = UCDC_SEND_BREAK; |
| 636 | USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); |
| 637 | USETW(req.wIndex, sc->sc_iface_number); |
| 638 | USETW(req.wLength, 0); |
| 639 | |
| 640 | (void)usbd_do_request(sc->sc_udev, &req, 0); |
| 641 | } |
| 642 | |
| 643 | usbd_status |
| 644 | uplcom_set_crtscts(struct uplcom_softc *sc) |
| 645 | { |
| 646 | usb_device_request_t req; |
| 647 | usbd_status err; |
| 648 | |
| 649 | DPRINTF(("uplcom_set_crtscts: on\n" )); |
| 650 | |
| 651 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 652 | req.bRequest = UPLCOM_SET_REQUEST; |
| 653 | USETW(req.wValue, 0); |
| 654 | if (sc->sc_type == UPLCOM_TYPE_HX) |
| 655 | USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); |
| 656 | else |
| 657 | USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); |
| 658 | USETW(req.wLength, 0); |
| 659 | |
| 660 | err = usbd_do_request(sc->sc_udev, &req, 0); |
| 661 | if (err) { |
| 662 | DPRINTF(("uplcom_set_crtscts: failed, err=%s\n" , |
| 663 | usbd_errstr(err))); |
| 664 | return err; |
| 665 | } |
| 666 | |
| 667 | return USBD_NORMAL_COMPLETION; |
| 668 | } |
| 669 | |
| 670 | usbd_status |
| 671 | uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) |
| 672 | { |
| 673 | usb_device_request_t req; |
| 674 | usbd_status err; |
| 675 | |
| 676 | DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n" , |
| 677 | UGETDW(state->dwDTERate), state->bCharFormat, |
| 678 | state->bParityType, state->bDataBits)); |
| 679 | |
| 680 | if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { |
| 681 | DPRINTF(("uplcom_set_line_coding: already set\n" )); |
| 682 | return USBD_NORMAL_COMPLETION; |
| 683 | } |
| 684 | |
| 685 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 686 | req.bRequest = UCDC_SET_LINE_CODING; |
| 687 | USETW(req.wValue, 0); |
| 688 | USETW(req.wIndex, sc->sc_iface_number); |
| 689 | USETW(req.wLength, UCDC_LINE_STATE_LENGTH); |
| 690 | |
| 691 | err = usbd_do_request(sc->sc_udev, &req, state); |
| 692 | if (err) { |
| 693 | DPRINTF(("uplcom_set_line_coding: failed, err=%s\n" , |
| 694 | usbd_errstr(err))); |
| 695 | return err; |
| 696 | } |
| 697 | |
| 698 | sc->sc_line_state = *state; |
| 699 | |
| 700 | return USBD_NORMAL_COMPLETION; |
| 701 | } |
| 702 | |
| 703 | int |
| 704 | uplcom_param(void *addr, int portno, struct termios *t) |
| 705 | { |
| 706 | struct uplcom_softc *sc = addr; |
| 707 | usbd_status err; |
| 708 | usb_cdc_line_state_t ls; |
| 709 | |
| 710 | DPRINTF(("uplcom_param: sc=%p\n" , sc)); |
| 711 | |
| 712 | USETDW(ls.dwDTERate, t->c_ospeed); |
| 713 | if (ISSET(t->c_cflag, CSTOPB)) |
| 714 | ls.bCharFormat = UCDC_STOP_BIT_2; |
| 715 | else |
| 716 | ls.bCharFormat = UCDC_STOP_BIT_1; |
| 717 | if (ISSET(t->c_cflag, PARENB)) { |
| 718 | if (ISSET(t->c_cflag, PARODD)) |
| 719 | ls.bParityType = UCDC_PARITY_ODD; |
| 720 | else |
| 721 | ls.bParityType = UCDC_PARITY_EVEN; |
| 722 | } else |
| 723 | ls.bParityType = UCDC_PARITY_NONE; |
| 724 | switch (ISSET(t->c_cflag, CSIZE)) { |
| 725 | case CS5: |
| 726 | ls.bDataBits = 5; |
| 727 | break; |
| 728 | case CS6: |
| 729 | ls.bDataBits = 6; |
| 730 | break; |
| 731 | case CS7: |
| 732 | ls.bDataBits = 7; |
| 733 | break; |
| 734 | case CS8: |
| 735 | ls.bDataBits = 8; |
| 736 | break; |
| 737 | } |
| 738 | |
| 739 | err = uplcom_set_line_coding(sc, &ls); |
| 740 | if (err) { |
| 741 | DPRINTF(("uplcom_param: err=%s\n" , usbd_errstr(err))); |
| 742 | return EIO; |
| 743 | } |
| 744 | |
| 745 | if (ISSET(t->c_cflag, CRTSCTS)) |
| 746 | uplcom_set_crtscts(sc); |
| 747 | |
| 748 | if (sc->sc_rts == -1 || sc->sc_dtr == -1) |
| 749 | uplcom_set_line_state(sc); |
| 750 | |
| 751 | if (err) { |
| 752 | DPRINTF(("uplcom_param: err=%s\n" , usbd_errstr(err))); |
| 753 | return EIO; |
| 754 | } |
| 755 | |
| 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | Static usbd_status |
| 760 | uplcom_vendor_control_write(struct usbd_device *dev, uint16_t value, |
| 761 | uint16_t index) |
| 762 | { |
| 763 | usb_device_request_t req; |
| 764 | usbd_status err; |
| 765 | |
| 766 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 767 | req.bRequest = UPLCOM_SET_REQUEST; |
| 768 | USETW(req.wValue, value); |
| 769 | USETW(req.wIndex, index); |
| 770 | USETW(req.wLength, 0); |
| 771 | |
| 772 | err = usbd_do_request(dev, &req, NULL); |
| 773 | |
| 774 | if (err) { |
| 775 | DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n" , |
| 776 | usbd_errstr(err), err)); |
| 777 | } |
| 778 | |
| 779 | return err; |
| 780 | } |
| 781 | |
| 782 | int |
| 783 | uplcom_open(void *addr, int portno) |
| 784 | { |
| 785 | struct uplcom_softc *sc = addr; |
| 786 | usbd_status err; |
| 787 | |
| 788 | if (sc->sc_dying) |
| 789 | return EIO; |
| 790 | |
| 791 | DPRINTF(("uplcom_open: sc=%p\n" , sc)); |
| 792 | |
| 793 | /* Some unknown device frobbing. */ |
| 794 | if (sc->sc_type == UPLCOM_TYPE_HX) |
| 795 | uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); |
| 796 | else |
| 797 | uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); |
| 798 | |
| 799 | if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { |
| 800 | sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); |
| 801 | err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, |
| 802 | USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, |
| 803 | sc->sc_intr_buf, sc->sc_isize, |
| 804 | uplcom_intr, USBD_DEFAULT_INTERVAL); |
| 805 | if (err) { |
| 806 | DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n" , |
| 807 | device_xname(sc->sc_dev), sc->sc_intr_number)); |
| 808 | return EIO; |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | if (sc->sc_type == UPLCOM_TYPE_HX) |
| 813 | return uplcom_pl2303x_init(sc); |
| 814 | |
| 815 | return 0; |
| 816 | } |
| 817 | |
| 818 | void |
| 819 | uplcom_close(void *addr, int portno) |
| 820 | { |
| 821 | struct uplcom_softc *sc = addr; |
| 822 | int err; |
| 823 | |
| 824 | if (sc->sc_dying) |
| 825 | return; |
| 826 | |
| 827 | DPRINTF(("uplcom_close: close\n" )); |
| 828 | |
| 829 | if (sc->sc_intr_pipe != NULL) { |
| 830 | err = usbd_abort_pipe(sc->sc_intr_pipe); |
| 831 | if (err) |
| 832 | printf("%s: abort interrupt pipe failed: %s\n" , |
| 833 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 834 | err = usbd_close_pipe(sc->sc_intr_pipe); |
| 835 | if (err) |
| 836 | printf("%s: close interrupt pipe failed: %s\n" , |
| 837 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 838 | kmem_free(sc->sc_intr_buf, sc->sc_isize); |
| 839 | sc->sc_intr_pipe = NULL; |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | void |
| 844 | uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 845 | { |
| 846 | struct uplcom_softc *sc = priv; |
| 847 | u_char *buf = sc->sc_intr_buf; |
| 848 | u_char pstatus; |
| 849 | |
| 850 | if (sc->sc_dying) |
| 851 | return; |
| 852 | |
| 853 | if (status != USBD_NORMAL_COMPLETION) { |
| 854 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
| 855 | return; |
| 856 | |
| 857 | DPRINTF(("%s: abnormal status: %s\n" , device_xname(sc->sc_dev), |
| 858 | usbd_errstr(status))); |
| 859 | usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); |
| 860 | return; |
| 861 | } |
| 862 | |
| 863 | DPRINTF(("%s: uplcom status = %02x\n" , device_xname(sc->sc_dev), |
| 864 | buf[8])); |
| 865 | |
| 866 | sc->sc_lsr = sc->sc_msr = 0; |
| 867 | pstatus = buf[8]; |
| 868 | if (ISSET(pstatus, UPLCOM_N_SERIAL_CTS)) |
| 869 | sc->sc_msr |= UMSR_CTS; |
| 870 | if (ISSET(pstatus, UCDC_N_SERIAL_RI)) |
| 871 | sc->sc_msr |= UMSR_RI; |
| 872 | if (ISSET(pstatus, UCDC_N_SERIAL_DSR)) |
| 873 | sc->sc_msr |= UMSR_DSR; |
| 874 | if (ISSET(pstatus, UCDC_N_SERIAL_DCD)) |
| 875 | sc->sc_msr |= UMSR_DCD; |
| 876 | ucom_status_change(device_private(sc->sc_subdev)); |
| 877 | } |
| 878 | |
| 879 | void |
| 880 | uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) |
| 881 | { |
| 882 | struct uplcom_softc *sc = addr; |
| 883 | |
| 884 | DPRINTF(("uplcom_get_status:\n" )); |
| 885 | |
| 886 | if (lsr != NULL) |
| 887 | *lsr = sc->sc_lsr; |
| 888 | if (msr != NULL) |
| 889 | *msr = sc->sc_msr; |
| 890 | } |
| 891 | |
| 892 | #if TODO |
| 893 | int |
| 894 | uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, |
| 895 | proc_t *p) |
| 896 | { |
| 897 | struct uplcom_softc *sc = addr; |
| 898 | int error = 0; |
| 899 | |
| 900 | if (sc->sc_dying) |
| 901 | return EIO; |
| 902 | |
| 903 | DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n" , cmd)); |
| 904 | |
| 905 | switch (cmd) { |
| 906 | case TIOCNOTTY: |
| 907 | case TIOCMGET: |
| 908 | case TIOCMSET: |
| 909 | case USB_GET_CM_OVER_DATA: |
| 910 | case USB_SET_CM_OVER_DATA: |
| 911 | break; |
| 912 | |
| 913 | default: |
| 914 | DPRINTF(("uplcom_ioctl: unknown\n" )); |
| 915 | error = ENOTTY; |
| 916 | break; |
| 917 | } |
| 918 | |
| 919 | return error; |
| 920 | } |
| 921 | #endif |
| 922 | |