2 * Copyright (c) 2008 AnyWi Technologies
3 * Author: Andrea Guzzo <aguzzo@anywi.com>
4 * * based on uark.c 1.1 2006/08/14 08:30:22 jsg *
5 * * parts from ubsa.c 183348 2008-09-25 12:00:56Z phk *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 * - The detour through the tty layer is ridiculously expensive wrt
26 * buffering due to the high speeds.
28 * We should consider adding a simple r/w device which allows
29 * attaching of PPP in a more efficient way.
34 #include <dev/usb/usb.h>
35 #include <dev/usb/usb_mfunc.h>
36 #include <dev/usb/usb_error.h>
38 #define USB_DEBUG_VAR u3g_debug
40 #include <dev/usb/usb_core.h>
41 #include <dev/usb/usb_debug.h>
42 #include <dev/usb/usb_process.h>
43 #include <dev/usb/usb_request.h>
44 #include <dev/usb/usb_lookup.h>
45 #include <dev/usb/usb_util.h>
46 #include <dev/usb/usb_busdma.h>
47 #include <dev/usb/usb_msctest.h>
48 #include <dev/usb/usb_dynamic.h>
49 #include <dev/usb/usb_device.h>
51 #include <dev/usb/serial/usb_serial.h>
54 static int u3g_debug = 0;
56 SYSCTL_NODE(_hw_usb2, OID_AUTO, u3g, CTLFLAG_RW, 0, "USB 3g");
57 SYSCTL_INT(_hw_usb2_u3g, OID_AUTO, debug, CTLFLAG_RW,
58 &u3g_debug, 0, "Debug level");
61 #define U3G_MAXPORTS 4
62 #define U3G_CONFIG_INDEX 0
63 #define U3G_BSIZE 2048
74 #define U3GFL_NONE 0x0000 /* No flags */
75 #define U3GFL_HUAWEI_INIT 0x0001 /* Init command required */
76 #define U3GFL_SCSI_EJECT 0x0002 /* SCSI eject command required */
77 #define U3GFL_SIERRA_INIT 0x0004 /* Init command required */
78 #define U3GFL_SAEL_M460_INIT 0x0008 /* Init device */
87 struct usb2_com_super_softc sc_super_ucom;
88 struct usb2_com_softc sc_ucom[U3G_MAXPORTS];
90 struct usb2_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER];
91 struct usb2_device *sc_udev;
94 uint8_t sc_lsr; /* local status register */
95 uint8_t sc_msr; /* U3G status register */
99 static device_probe_t u3g_probe;
100 static device_attach_t u3g_attach;
101 static device_detach_t u3g_detach;
103 static usb2_callback_t u3g_write_callback;
104 static usb2_callback_t u3g_read_callback;
106 static void u3g_start_read(struct usb2_com_softc *ucom);
107 static void u3g_stop_read(struct usb2_com_softc *ucom);
108 static void u3g_start_write(struct usb2_com_softc *ucom);
109 static void u3g_stop_write(struct usb2_com_softc *ucom);
111 static int u3g_driver_loaded(struct module *mod, int what, void *arg);
113 static const struct usb2_config u3g_config[U3G_N_TRANSFER] = {
117 .endpoint = UE_ADDR_ANY,
118 .direction = UE_DIR_OUT,
119 .bufsize = U3G_BSIZE,/* bytes */
120 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
121 .callback = &u3g_write_callback,
126 .endpoint = UE_ADDR_ANY,
127 .direction = UE_DIR_IN,
128 .bufsize = U3G_BSIZE,/* bytes */
129 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
130 .callback = &u3g_read_callback,
134 static const struct usb2_com_callback u3g_callback = {
135 .usb2_com_start_read = &u3g_start_read,
136 .usb2_com_stop_read = &u3g_stop_read,
137 .usb2_com_start_write = &u3g_start_write,
138 .usb2_com_stop_write = &u3g_stop_write,
141 static device_method_t u3g_methods[] = {
142 DEVMETHOD(device_probe, u3g_probe),
143 DEVMETHOD(device_attach, u3g_attach),
144 DEVMETHOD(device_detach, u3g_detach),
148 static devclass_t u3g_devclass;
150 static driver_t u3g_driver = {
152 .methods = u3g_methods,
153 .size = sizeof(struct u3g_softc),
156 DRIVER_MODULE(u3g, uhub, u3g_driver, u3g_devclass, u3g_driver_loaded, 0);
157 MODULE_DEPEND(u3g, ucom, 1, 1, 1);
158 MODULE_DEPEND(u3g, usb, 1, 1, 1);
160 static const struct usb2_device_id u3g_devs[] = {
162 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3G, U3GFL_NONE)},
163 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUAD, U3GFL_NONE)},
164 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GPLUS, U3GFL_NONE)},
165 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTMAX36, U3GFL_NONE)},
166 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTMAXHSUPA, U3GFL_NONE)},
167 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_VODAFONEMC3G, U3GFL_NONE)},
168 /* OEM: Qualcomm, Inc. */
169 {USB_VPI(USB_VENDOR_QUALCOMMINC, USB_PRODUCT_QUALCOMMINC_ZTE_STOR, U3GFL_SCSI_EJECT)},
170 {USB_VPI(USB_VENDOR_QUALCOMMINC, USB_PRODUCT_QUALCOMMINC_CDMA_MSM, U3GFL_SCSI_EJECT)},
172 {USB_VPI(USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_MOBILE, U3GFL_HUAWEI_INIT)},
173 {USB_VPI(USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220, U3GFL_HUAWEI_INIT)},
175 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_CDMA_MODEM, U3GFL_SCSI_EJECT)},
176 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ES620, U3GFL_SCSI_EJECT)},
177 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MC950D, U3GFL_SCSI_EJECT)},
178 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U720, U3GFL_SCSI_EJECT)},
179 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U727, U3GFL_SCSI_EJECT)},
180 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U740, U3GFL_SCSI_EJECT)},
181 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U740_2, U3GFL_SCSI_EJECT)},
182 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U870, U3GFL_SCSI_EJECT)},
183 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V620, U3GFL_SCSI_EJECT)},
184 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V640, U3GFL_SCSI_EJECT)},
185 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V720, U3GFL_SCSI_EJECT)},
186 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V740, U3GFL_SCSI_EJECT)},
187 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_X950D, U3GFL_SCSI_EJECT)},
188 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_XU870, U3GFL_SCSI_EJECT)},
189 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ZEROCD, U3GFL_SCSI_EJECT)},
190 {USB_VPI(USB_VENDOR_DELL, USB_PRODUCT_DELL_U740, U3GFL_SCSI_EJECT)},
192 {USB_VPI(USB_VENDOR_MERLIN, USB_PRODUCT_MERLIN_V620, U3GFL_NONE)},
193 /* OEM: Sierra Wireless: */
194 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD580, U3GFL_NONE)},
195 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD595, U3GFL_NONE)},
196 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC595U, U3GFL_NONE)},
197 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC597E, U3GFL_NONE)},
198 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_C597, U3GFL_NONE)},
199 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880, U3GFL_NONE)},
200 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880E, U3GFL_NONE)},
201 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880U, U3GFL_NONE)},
202 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881, U3GFL_NONE)},
203 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881E, U3GFL_NONE)},
204 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881U, U3GFL_NONE)},
205 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_EM5625, U3GFL_NONE)},
206 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720, U3GFL_NONE)},
207 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720_2, U3GFL_NONE)},
208 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5725, U3GFL_NONE)},
209 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MINI5725, U3GFL_NONE)},
210 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD875, U3GFL_NONE)},
211 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755, U3GFL_NONE)},
212 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_2, U3GFL_NONE)},
213 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_3, U3GFL_NONE)},
214 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8765, U3GFL_NONE)},
215 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC875U, U3GFL_NONE)},
216 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8775_2, U3GFL_NONE)},
217 {USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_HS2300, U3GFL_NONE)},
218 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8780, U3GFL_NONE)},
219 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8781, U3GFL_NONE)},
220 {USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_HS2300, U3GFL_NONE)},
221 /* Sierra TruInstaller device ID */
222 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_TRUINSTALL, U3GFL_SIERRA_INIT)},
224 {USB_VPI(USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SAEL, U3GFL_SAEL_M460_INIT)},
228 u3g_sierra_init(struct usb2_device *udev)
230 struct usb2_device_request req;
234 req.bmRequestType = UT_VENDOR;
235 req.bRequest = UR_SET_INTERFACE;
236 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
237 USETW(req.wIndex, UHF_PORT_CONNECTION);
238 USETW(req.wLength, 0);
240 if (usb2_do_request_flags(udev, NULL, &req,
241 NULL, 0, NULL, USB_MS_HZ)) {
242 /* ignore any errors */
248 u3g_huawei_init(struct usb2_device *udev)
250 struct usb2_device_request req;
254 req.bmRequestType = UT_WRITE_DEVICE;
255 req.bRequest = UR_SET_FEATURE;
256 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
257 USETW(req.wIndex, UHF_PORT_SUSPEND);
258 USETW(req.wLength, 0);
260 if (usb2_do_request_flags(udev, NULL, &req,
261 NULL, 0, NULL, USB_MS_HZ)) {
262 /* ignore any errors */
268 u3g_sael_m460_init(struct usb2_device *udev)
270 static const uint8_t setup[][24] = {
271 { 0x41, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
272 { 0x41, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 },
273 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
274 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
276 { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02 },
277 { 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 },
278 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
279 { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
280 { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
281 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
282 { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
283 { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
284 0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
285 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
286 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
287 0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
288 { 0x41, 0x12, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 },
289 { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
290 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
291 { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
292 { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
293 0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
294 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
295 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
296 0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
297 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
300 struct usb2_device_request req;
308 if (usb2_req_set_alt_interface_no(udev, NULL, 0, 0)) {
309 DPRINTFN(0, "Alt setting 0 failed\n");
313 for (n = 0; n != (sizeof(setup)/sizeof(setup[0])); n++) {
315 memcpy(&req, setup[n], sizeof(req));
317 len = UGETW(req.wLength);
318 if (req.bmRequestType & UE_DIR_IN) {
319 if (len > sizeof(buf)) {
320 DPRINTFN(0, "too small buffer\n");
323 err = usb2_do_request(udev, NULL, &req, buf);
325 if (len > (sizeof(setup[0]) - 8)) {
326 DPRINTFN(0, "too small buffer\n");
329 err = usb2_do_request(udev, NULL, &req,
330 __DECONST(uint8_t *, &setup[n][8]));
333 DPRINTFN(1, "request %u failed\n",
336 * Some of the requests will fail. Stop doing
337 * requests when we are getting timeouts so
338 * that we don't block the explore/attach
341 if (err == USB_ERR_TIMEOUT)
348 u3g_lookup_huawei(struct usb2_attach_arg *uaa)
350 /* Calling the lookup function will also set the driver info! */
351 return (usb2_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa));
355 * The following function handles 3G modem devices (E220, Mobile,
356 * etc.) with auto-install flash disks for Windows/MacOSX on the first
357 * interface. After some command or some delay they change appearance
361 u3g_test_huawei_autoinst(struct usb2_device *udev,
362 struct usb2_attach_arg *uaa)
364 struct usb2_interface *iface;
365 struct usb2_interface_descriptor *id;
369 return (USB_ERR_INVAL);
371 iface = usb2_get_iface(udev, 0);
373 return (USB_ERR_INVAL);
377 return (USB_ERR_INVAL);
379 if (id->bInterfaceClass != UICLASS_MASS) {
380 return (USB_ERR_INVAL);
382 if (u3g_lookup_huawei(uaa)) {
383 /* no device match */
384 return (USB_ERR_INVAL);
386 flags = USB_GET_DRIVER_INFO(uaa);
388 if (flags & U3GFL_HUAWEI_INIT) {
389 u3g_huawei_init(udev);
390 } else if (flags & U3GFL_SCSI_EJECT) {
391 return (usb2_test_autoinstall(udev, 0, 1));
392 } else if (flags & U3GFL_SIERRA_INIT) {
393 u3g_sierra_init(udev);
396 return (USB_ERR_INVAL);
398 return (0); /* success */
402 u3g_driver_loaded(struct module *mod, int what, void *arg)
406 /* register our autoinstall handler */
407 usb2_test_huawei_autoinst_p = &u3g_test_huawei_autoinst;
410 usb2_test_huawei_unload(NULL);
419 u3g_probe(device_t self)
421 struct usb2_attach_arg *uaa = device_get_ivars(self);
423 if (uaa->usb2_mode != USB_MODE_HOST) {
426 if (uaa->info.bConfigIndex != U3G_CONFIG_INDEX) {
429 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) {
432 return (u3g_lookup_huawei(uaa));
436 u3g_attach(device_t dev)
438 struct usb2_config u3g_config_tmp[U3G_N_TRANSFER];
439 struct usb2_attach_arg *uaa = device_get_ivars(dev);
440 struct u3g_softc *sc = device_get_softc(dev);
441 struct usb2_interface *iface;
442 struct usb2_interface_descriptor *id;
450 DPRINTF("sc=%p\n", sc);
452 flags = USB_GET_DRIVER_INFO(uaa);
454 if (flags & U3GFL_SAEL_M460_INIT)
455 u3g_sael_m460_init(uaa->device);
457 /* copy in USB config */
458 for (n = 0; n != U3G_N_TRANSFER; n++)
459 u3g_config_tmp[n] = u3g_config[n];
461 device_set_usb2_desc(dev);
462 mtx_init(&sc->sc_mtx, "u3g", NULL, MTX_DEF);
464 sc->sc_udev = uaa->device;
466 x = 0; /* interface index */
467 i = 0; /* endpoint index */
468 m = 0; /* number of ports */
470 while (m != U3G_MAXPORTS) {
472 /* update BULK endpoint index */
473 for (n = 0; n != U3G_N_TRANSFER; n++)
474 u3g_config_tmp[n].ep_index = i;
476 iface = usb2_get_iface(uaa->device, x);
479 break; /* end of interfaces */
480 DPRINTF("did not find any modem endpoints\n");
484 id = usb2_get_interface_descriptor(iface);
486 (id->bInterfaceClass != UICLASS_VENDOR)) {
493 /* try to allocate a set of BULK endpoints */
494 error = usb2_transfer_setup(uaa->device, &x,
495 sc->sc_xfer[m], u3g_config_tmp, U3G_N_TRANSFER,
496 &sc->sc_ucom[m], &sc->sc_mtx);
504 /* grab other interface, if any */
505 if (x != uaa->info.bIfaceIndex)
506 usb2_set_parent_iface(uaa->device, x,
507 uaa->info.bIfaceIndex);
509 /* set stall by default */
510 mtx_lock(&sc->sc_mtx);
511 usb2_transfer_set_stall(sc->sc_xfer[m][U3G_BULK_WR]);
512 usb2_transfer_set_stall(sc->sc_xfer[m][U3G_BULK_RD]);
513 mtx_unlock(&sc->sc_mtx);
515 m++; /* found one port */
516 i++; /* next endpoint index */
521 error = usb2_com_attach(&sc->sc_super_ucom, sc->sc_ucom,
522 sc->sc_numports, sc, &u3g_callback, &sc->sc_mtx);
524 DPRINTF("usb2_com_attach failed\n");
527 if (sc->sc_numports != 1) {
529 device_printf(dev, "Found %u ports.\n",
530 (unsigned int)sc->sc_numports);
540 u3g_detach(device_t dev)
542 struct u3g_softc *sc = device_get_softc(dev);
545 DPRINTF("sc=%p\n", sc);
547 /* NOTE: It is not dangerous to detach more ports than attached! */
548 usb2_com_detach(&sc->sc_super_ucom, sc->sc_ucom, U3G_MAXPORTS);
550 for (m = 0; m != U3G_MAXPORTS; m++)
551 usb2_transfer_unsetup(sc->sc_xfer[m], U3G_N_TRANSFER);
552 mtx_destroy(&sc->sc_mtx);
558 u3g_start_read(struct usb2_com_softc *ucom)
560 struct u3g_softc *sc = ucom->sc_parent;
562 /* start read endpoint */
563 usb2_transfer_start(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_RD]);
568 u3g_stop_read(struct usb2_com_softc *ucom)
570 struct u3g_softc *sc = ucom->sc_parent;
572 /* stop read endpoint */
573 usb2_transfer_stop(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_RD]);
578 u3g_start_write(struct usb2_com_softc *ucom)
580 struct u3g_softc *sc = ucom->sc_parent;
582 usb2_transfer_start(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_WR]);
587 u3g_stop_write(struct usb2_com_softc *ucom)
589 struct u3g_softc *sc = ucom->sc_parent;
591 usb2_transfer_stop(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_WR]);
596 u3g_write_callback(struct usb2_xfer *xfer)
598 struct usb2_com_softc *ucom = xfer->priv_sc;
601 switch (USB_GET_STATE(xfer)) {
602 case USB_ST_TRANSFERRED:
605 if (usb2_com_get_data(ucom, xfer->frbuffers, 0,
606 U3G_BSIZE, &actlen)) {
607 xfer->frlengths[0] = actlen;
608 usb2_start_hardware(xfer);
613 if (xfer->error != USB_ERR_CANCELLED) {
614 /* do a builtin clear-stall */
615 xfer->flags.stall_pipe = 1;
624 u3g_read_callback(struct usb2_xfer *xfer)
626 struct usb2_com_softc *ucom = xfer->priv_sc;
628 switch (USB_GET_STATE(xfer)) {
629 case USB_ST_TRANSFERRED:
630 usb2_com_put_data(ucom, xfer->frbuffers, 0, xfer->actlen);
634 xfer->frlengths[0] = xfer->max_data_length;
635 usb2_start_hardware(xfer);
639 if (xfer->error != USB_ERR_CANCELLED) {
640 /* do a builtin clear-stall */
641 xfer->flags.stall_pipe = 1;