3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/stdint.h>
28 #include <sys/stddef.h>
29 #include <sys/param.h>
30 #include <sys/queue.h>
31 #include <sys/types.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
35 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/condvar.h>
39 #include <sys/sysctl.h>
41 #include <sys/unistd.h>
42 #include <sys/callout.h>
43 #include <sys/malloc.h>
46 #include <sys/fcntl.h>
48 #include <dev/usb/usb.h>
49 #include <dev/usb/usb_ioctl.h>
50 #include <dev/usb/usbdi.h>
51 #include <dev/usb/usbdi_util.h>
53 #define USB_DEBUG_VAR ugen_debug
55 #include <dev/usb/usb_core.h>
56 #include <dev/usb/usb_dev.h>
57 #include <dev/usb/usb_mbuf.h>
58 #include <dev/usb/usb_process.h>
59 #include <dev/usb/usb_device.h>
60 #include <dev/usb/usb_debug.h>
61 #include <dev/usb/usb_request.h>
62 #include <dev/usb/usb_busdma.h>
63 #include <dev/usb/usb_util.h>
64 #include <dev/usb/usb_hub.h>
65 #include <dev/usb/usb_generic.h>
66 #include <dev/usb/usb_transfer.h>
68 #include <dev/usb/usb_controller.h>
69 #include <dev/usb/usb_bus.h>
75 #define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */
76 #define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */
77 #define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */
79 /* function prototypes */
81 static usb_callback_t ugen_read_clear_stall_callback;
82 static usb_callback_t ugen_write_clear_stall_callback;
83 static usb_callback_t ugen_ctrl_read_callback;
84 static usb_callback_t ugen_ctrl_write_callback;
85 static usb_callback_t ugen_isoc_read_callback;
86 static usb_callback_t ugen_isoc_write_callback;
87 static usb_callback_t ugen_ctrl_fs_callback;
89 static usb_fifo_open_t ugen_open;
90 static usb_fifo_close_t ugen_close;
91 static usb_fifo_ioctl_t ugen_ioctl;
92 static usb_fifo_ioctl_t ugen_ioctl_post;
93 static usb_fifo_cmd_t ugen_start_read;
94 static usb_fifo_cmd_t ugen_start_write;
95 static usb_fifo_cmd_t ugen_stop_io;
97 static int ugen_transfer_setup(struct usb_fifo *,
98 const struct usb_config *, uint8_t);
99 static int ugen_open_pipe_write(struct usb_fifo *);
100 static int ugen_open_pipe_read(struct usb_fifo *);
101 static int ugen_set_config(struct usb_fifo *, uint8_t);
102 static int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t);
103 static int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *);
104 static int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *);
105 static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd);
106 static int usb_gen_fill_deviceinfo(struct usb_fifo *,
107 struct usb_device_info *);
108 static int ugen_re_enumerate(struct usb_fifo *);
109 static int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int);
110 static uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *);
111 static int ugen_fs_uninit(struct usb_fifo *f);
115 struct usb_fifo_methods usb_ugen_methods = {
116 .f_open = &ugen_open,
117 .f_close = &ugen_close,
118 .f_ioctl = &ugen_ioctl,
119 .f_ioctl_post = &ugen_ioctl_post,
120 .f_start_read = &ugen_start_read,
121 .f_stop_read = &ugen_stop_io,
122 .f_start_write = &ugen_start_write,
123 .f_stop_write = &ugen_stop_io,
127 static int ugen_debug = 0;
129 SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB generic");
130 SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &ugen_debug,
132 TUNABLE_INT("hw.usb.ugen.debug", &ugen_debug);
139 ugen_transfer_setup(struct usb_fifo *f,
140 const struct usb_config *setup, uint8_t n_setup)
142 struct usb_endpoint *ep = usb_fifo_softc(f);
143 struct usb_device *udev = f->udev;
144 uint8_t iface_index = ep->iface_index;
147 mtx_unlock(f->priv_mtx);
150 * "usbd_transfer_setup()" can sleep so one needs to make a wrapper,
151 * exiting the mutex and checking things
153 error = usbd_transfer_setup(udev, &iface_index, f->xfer,
154 setup, n_setup, f, f->priv_mtx);
157 if (f->xfer[0]->nframes == 1) {
158 error = usb_fifo_alloc_buffer(f,
159 f->xfer[0]->max_data_length, 2);
161 error = usb_fifo_alloc_buffer(f,
162 f->xfer[0]->max_frame_size,
163 2 * f->xfer[0]->nframes);
166 usbd_transfer_unsetup(f->xfer, n_setup);
169 mtx_lock(f->priv_mtx);
175 ugen_open(struct usb_fifo *f, int fflags)
177 struct usb_endpoint *ep = usb_fifo_softc(f);
178 struct usb_endpoint_descriptor *ed = ep->edesc;
181 DPRINTFN(6, "flag=0x%x\n", fflags);
183 mtx_lock(f->priv_mtx);
184 switch (usbd_get_speed(f->udev)) {
187 f->nframes = UGEN_HW_FRAMES;
188 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE;
191 f->nframes = UGEN_HW_FRAMES * 8;
192 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE;
196 type = ed->bmAttributes & UE_XFERTYPE;
197 if (type == UE_INTERRUPT) {
198 f->bufsize = 0; /* use "wMaxPacketSize" */
200 f->timeout = USB_NO_TIMEOUT;
203 mtx_unlock(f->priv_mtx);
209 ugen_close(struct usb_fifo *f, int fflags)
211 DPRINTFN(6, "flag=0x%x\n", fflags);
215 mtx_lock(f->priv_mtx);
216 usbd_transfer_stop(f->xfer[0]);
217 usbd_transfer_stop(f->xfer[1]);
218 mtx_unlock(f->priv_mtx);
220 usbd_transfer_unsetup(f->xfer, 2);
221 usb_fifo_free_buffer(f);
223 if (ugen_fs_uninit(f)) {
224 /* ignore any errors - we are closing */
225 DPRINTFN(6, "no FIFOs\n");
230 ugen_open_pipe_write(struct usb_fifo *f)
232 struct usb_config usb_config[2];
233 struct usb_endpoint *ep = usb_fifo_softc(f);
234 struct usb_endpoint_descriptor *ed = ep->edesc;
236 mtx_assert(f->priv_mtx, MA_OWNED);
238 if (f->xfer[0] || f->xfer[1]) {
239 /* transfers are already opened */
242 memset(usb_config, 0, sizeof(usb_config));
244 usb_config[1].type = UE_CONTROL;
245 usb_config[1].endpoint = 0;
246 usb_config[1].direction = UE_DIR_ANY;
247 usb_config[1].timeout = 1000; /* 1 second */
248 usb_config[1].interval = 50;/* 50 milliseconds */
249 usb_config[1].bufsize = sizeof(struct usb_device_request);
250 usb_config[1].callback = &ugen_write_clear_stall_callback;
251 usb_config[1].usb_mode = USB_MODE_HOST;
253 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
254 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
255 usb_config[0].direction = UE_DIR_TX;
256 usb_config[0].interval = USB_DEFAULT_INTERVAL;
257 usb_config[0].flags.proxy_buffer = 1;
258 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
260 switch (ed->bmAttributes & UE_XFERTYPE) {
264 usb_config[0].flags.force_short_xfer = 1;
266 usb_config[0].callback = &ugen_ctrl_write_callback;
267 usb_config[0].timeout = f->timeout;
268 usb_config[0].frames = 1;
269 usb_config[0].bufsize = f->bufsize;
270 if (ugen_transfer_setup(f, usb_config, 2)) {
273 /* first transfer does not clear stall */
278 usb_config[0].flags.short_xfer_ok = 1;
279 usb_config[0].bufsize = 0; /* use default */
280 usb_config[0].frames = f->nframes;
281 usb_config[0].callback = &ugen_isoc_write_callback;
282 usb_config[0].timeout = 0;
284 /* clone configuration */
285 usb_config[1] = usb_config[0];
287 if (ugen_transfer_setup(f, usb_config, 2)) {
298 ugen_open_pipe_read(struct usb_fifo *f)
300 struct usb_config usb_config[2];
301 struct usb_endpoint *ep = usb_fifo_softc(f);
302 struct usb_endpoint_descriptor *ed = ep->edesc;
304 mtx_assert(f->priv_mtx, MA_OWNED);
306 if (f->xfer[0] || f->xfer[1]) {
307 /* transfers are already opened */
310 memset(usb_config, 0, sizeof(usb_config));
312 usb_config[1].type = UE_CONTROL;
313 usb_config[1].endpoint = 0;
314 usb_config[1].direction = UE_DIR_ANY;
315 usb_config[1].timeout = 1000; /* 1 second */
316 usb_config[1].interval = 50;/* 50 milliseconds */
317 usb_config[1].bufsize = sizeof(struct usb_device_request);
318 usb_config[1].callback = &ugen_read_clear_stall_callback;
319 usb_config[1].usb_mode = USB_MODE_HOST;
321 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
322 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
323 usb_config[0].direction = UE_DIR_RX;
324 usb_config[0].interval = USB_DEFAULT_INTERVAL;
325 usb_config[0].flags.proxy_buffer = 1;
326 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
328 switch (ed->bmAttributes & UE_XFERTYPE) {
332 usb_config[0].flags.short_xfer_ok = 1;
334 usb_config[0].timeout = f->timeout;
335 usb_config[0].frames = 1;
336 usb_config[0].callback = &ugen_ctrl_read_callback;
337 usb_config[0].bufsize = f->bufsize;
339 if (ugen_transfer_setup(f, usb_config, 2)) {
342 /* first transfer does not clear stall */
347 usb_config[0].flags.short_xfer_ok = 1;
348 usb_config[0].bufsize = 0; /* use default */
349 usb_config[0].frames = f->nframes;
350 usb_config[0].callback = &ugen_isoc_read_callback;
351 usb_config[0].timeout = 0;
353 /* clone configuration */
354 usb_config[1] = usb_config[0];
356 if (ugen_transfer_setup(f, usb_config, 2)) {
368 ugen_start_read(struct usb_fifo *f)
370 /* check that pipes are open */
371 if (ugen_open_pipe_read(f)) {
373 usb_fifo_put_data_error(f);
375 /* start transfers */
376 usbd_transfer_start(f->xfer[0]);
377 usbd_transfer_start(f->xfer[1]);
381 ugen_start_write(struct usb_fifo *f)
383 /* check that pipes are open */
384 if (ugen_open_pipe_write(f)) {
386 usb_fifo_get_data_error(f);
388 /* start transfers */
389 usbd_transfer_start(f->xfer[0]);
390 usbd_transfer_start(f->xfer[1]);
394 ugen_stop_io(struct usb_fifo *f)
397 usbd_transfer_stop(f->xfer[0]);
398 usbd_transfer_stop(f->xfer[1]);
402 ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
404 struct usb_fifo *f = usbd_xfer_softc(xfer);
407 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
409 switch (USB_GET_STATE(xfer)) {
410 case USB_ST_TRANSFERRED:
411 if (xfer->actlen == 0) {
412 if (f->fifo_zlp != 4) {
416 * Throttle a little bit we have multiple ZLPs
419 xfer->interval = 64; /* ms */
426 usb_fifo_put_data(f, xfer->frbuffers, 0,
431 usbd_transfer_start(f->xfer[1]);
434 USB_IF_POLL(&f->free_q, m);
436 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
437 usbd_transfer_submit(xfer);
442 if (xfer->error != USB_ERR_CANCELLED) {
443 /* send a zero length packet to userland */
444 usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1);
447 usbd_transfer_start(f->xfer[1]);
454 ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
456 struct usb_fifo *f = usbd_xfer_softc(xfer);
457 usb_frlength_t actlen;
459 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
461 switch (USB_GET_STATE(xfer)) {
463 case USB_ST_TRANSFERRED:
465 * If writing is in stall, just jump to clear stall
466 * callback and solve the situation.
469 usbd_transfer_start(f->xfer[1]);
473 * Write data, setup and perform hardware transfer.
475 if (usb_fifo_get_data(f, xfer->frbuffers, 0,
476 xfer->max_data_length, &actlen, 0)) {
477 usbd_xfer_set_frame_len(xfer, 0, actlen);
478 usbd_transfer_submit(xfer);
483 if (xfer->error != USB_ERR_CANCELLED) {
485 usbd_transfer_start(f->xfer[1]);
492 ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
494 struct usb_fifo *f = usbd_xfer_softc(xfer);
495 struct usb_xfer *xfer_other = f->xfer[0];
497 if (f->flag_stall == 0) {
501 if (usbd_clear_stall_callback(xfer, xfer_other)) {
502 DPRINTFN(5, "f=%p: stall cleared\n", f);
504 usbd_transfer_start(xfer_other);
509 ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
511 struct usb_fifo *f = usbd_xfer_softc(xfer);
512 struct usb_xfer *xfer_other = f->xfer[0];
514 if (f->flag_stall == 0) {
518 if (usbd_clear_stall_callback(xfer, xfer_other)) {
519 DPRINTFN(5, "f=%p: stall cleared\n", f);
521 usbd_transfer_start(xfer_other);
526 ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error)
528 struct usb_fifo *f = usbd_xfer_softc(xfer);
529 usb_frlength_t offset;
532 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
534 switch (USB_GET_STATE(xfer)) {
535 case USB_ST_TRANSFERRED:
537 DPRINTFN(6, "actlen=%d\n", xfer->actlen);
541 for (n = 0; n != xfer->aframes; n++) {
542 usb_fifo_put_data(f, xfer->frbuffers, offset,
543 xfer->frlengths[n], 1);
544 offset += xfer->max_frame_size;
549 for (n = 0; n != xfer->nframes; n++) {
550 /* setup size for next transfer */
551 usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size);
553 usbd_transfer_submit(xfer);
557 if (xfer->error == USB_ERR_CANCELLED) {
565 ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error)
567 struct usb_fifo *f = usbd_xfer_softc(xfer);
568 usb_frlength_t actlen;
569 usb_frlength_t offset;
572 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
574 switch (USB_GET_STATE(xfer)) {
575 case USB_ST_TRANSFERRED:
579 for (n = 0; n != xfer->nframes; n++) {
580 if (usb_fifo_get_data(f, xfer->frbuffers, offset,
581 xfer->max_frame_size, &actlen, 1)) {
582 usbd_xfer_set_frame_len(xfer, n, actlen);
589 for (; n != xfer->nframes; n++) {
590 /* fill in zero frames */
591 usbd_xfer_set_frame_len(xfer, n, 0);
593 usbd_transfer_submit(xfer);
597 if (xfer->error == USB_ERR_CANCELLED) {
605 ugen_set_config(struct usb_fifo *f, uint8_t index)
607 DPRINTFN(2, "index %u\n", index);
609 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
610 /* not possible in device side mode */
613 if (f->udev->curr_config_index == index) {
614 /* no change needed */
617 /* make sure all FIFO's are gone */
618 /* else there can be a deadlock */
619 if (ugen_fs_uninit(f)) {
620 /* ignore any errors */
621 DPRINTFN(6, "no FIFOs\n");
623 /* change setting - will free generic FIFOs, if any */
624 if (usbd_set_config_index(f->udev, index)) {
627 /* probe and attach */
628 if (usb_probe_and_attach(f->udev, USB_IFACE_INDEX_ANY)) {
635 ugen_set_interface(struct usb_fifo *f,
636 uint8_t iface_index, uint8_t alt_index)
638 DPRINTFN(2, "%u, %u\n", iface_index, alt_index);
640 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
641 /* not possible in device side mode */
644 /* make sure all FIFO's are gone */
645 /* else there can be a deadlock */
646 if (ugen_fs_uninit(f)) {
647 /* ignore any errors */
648 DPRINTFN(6, "no FIFOs\n");
650 /* change setting - will free generic FIFOs, if any */
651 if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) {
654 /* probe and attach */
655 if (usb_probe_and_attach(f->udev, iface_index)) {
661 /*------------------------------------------------------------------------*
664 * This function will retrieve the complete configuration descriptor
665 * at the given index.
666 *------------------------------------------------------------------------*/
668 ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
670 struct usb_config_descriptor *cdesc;
671 struct usb_device *udev = f->udev;
678 if (ugd->ugd_data == NULL) {
679 /* userland pointer should not be zero */
682 if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) ||
683 (ugd->ugd_config_index == udev->curr_config_index)) {
684 cdesc = usbd_get_config_descriptor(udev);
691 if (usbd_req_get_config_desc_full(udev,
692 NULL, &cdesc, M_USBDEV,
693 ugd->ugd_config_index)) {
699 len = UGETW(cdesc->wTotalLength);
700 if (len > ugd->ugd_maxlen) {
701 len = ugd->ugd_maxlen;
703 DPRINTFN(6, "len=%u\n", len);
705 ugd->ugd_actlen = len;
708 error = copyout(cdesc, ugd->ugd_data, len);
711 free(cdesc, M_USBDEV);
717 * This function is called having the enumeration SX locked which
718 * protects the scratch area used.
721 ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
727 ptr = f->udev->scratch.data;
728 size = sizeof(f->udev->scratch.data);
730 if (usbd_req_get_string_desc(f->udev, NULL, ptr,
731 size, ugd->ugd_lang_id, ugd->ugd_string_index)) {
735 if (size > ((uint8_t *)ptr)[0]) {
736 size = ((uint8_t *)ptr)[0];
738 if (size > ugd->ugd_maxlen) {
739 size = ugd->ugd_maxlen;
741 ugd->ugd_actlen = size;
744 error = copyout(ptr, ugd->ugd_data, size);
749 /*------------------------------------------------------------------------*
750 * ugen_get_iface_driver
752 * This function generates an USB interface description for userland.
757 *------------------------------------------------------------------------*/
759 ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
761 struct usb_device *udev = f->udev;
762 struct usb_interface *iface;
772 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) {
773 /* userland pointer should not be zero */
777 iface = usbd_get_iface(udev, ugd->ugd_iface_index);
778 if ((iface == NULL) || (iface->idesc == NULL)) {
779 /* invalid interface index */
783 /* read out device nameunit string, if any */
784 if ((iface->subdev != NULL) &&
785 device_is_attached(iface->subdev) &&
786 (ptr = device_get_nameunit(iface->subdev)) &&
787 (desc = device_get_desc(iface->subdev))) {
789 /* print description */
790 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc);
793 maxlen = ugd->ugd_maxlen - 1;
798 /* update actual length, including terminating zero */
799 ugd->ugd_actlen = len + 1;
801 /* copy out interface description */
802 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen);
804 /* zero length string is default */
805 error = copyout("", ugd->ugd_data, 1);
810 /*------------------------------------------------------------------------*
811 * usb_gen_fill_deviceinfo
813 * This function dumps information about an USB device to the
814 * structure pointed to by the "di" argument.
819 *------------------------------------------------------------------------*/
821 usb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di)
823 struct usb_device *udev;
824 struct usb_device *hub;
828 bzero(di, sizeof(di[0]));
830 di->udi_bus = device_get_unit(udev->bus->bdev);
831 di->udi_addr = udev->address;
832 di->udi_index = udev->device_index;
833 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial));
834 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor));
835 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product));
836 usb_printbcd(di->udi_release, sizeof(di->udi_release),
837 UGETW(udev->ddesc.bcdDevice));
838 di->udi_vendorNo = UGETW(udev->ddesc.idVendor);
839 di->udi_productNo = UGETW(udev->ddesc.idProduct);
840 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice);
841 di->udi_class = udev->ddesc.bDeviceClass;
842 di->udi_subclass = udev->ddesc.bDeviceSubClass;
843 di->udi_protocol = udev->ddesc.bDeviceProtocol;
844 di->udi_config_no = udev->curr_config_no;
845 di->udi_config_index = udev->curr_config_index;
846 di->udi_power = udev->flags.self_powered ? 0 : udev->power;
847 di->udi_speed = udev->speed;
848 di->udi_mode = udev->flags.usb_mode;
849 di->udi_power_mode = udev->power_mode;
850 di->udi_suspended = udev->flags.peer_suspended;
852 hub = udev->parent_hub;
854 di->udi_hubaddr = hub->address;
855 di->udi_hubindex = hub->device_index;
856 di->udi_hubport = udev->port_no;
861 /*------------------------------------------------------------------------*
867 *------------------------------------------------------------------------*/
869 ugen_check_request(struct usb_device *udev, struct usb_device_request *req)
871 struct usb_endpoint *ep;
875 * Avoid requests that would damage the bus integrity:
877 if (((req->bmRequestType == UT_WRITE_DEVICE) &&
878 (req->bRequest == UR_SET_ADDRESS)) ||
879 ((req->bmRequestType == UT_WRITE_DEVICE) &&
880 (req->bRequest == UR_SET_CONFIG)) ||
881 ((req->bmRequestType == UT_WRITE_INTERFACE) &&
882 (req->bRequest == UR_SET_INTERFACE))) {
884 * These requests can be useful for testing USB drivers.
886 error = priv_check(curthread, PRIV_DRIVER);
892 * Special case - handle clearing of stall
894 if (req->bmRequestType == UT_WRITE_ENDPOINT) {
896 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]);
900 if ((req->bRequest == UR_CLEAR_FEATURE) &&
901 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) {
902 usbd_clear_data_toggle(udev, ep);
905 /* TODO: add more checks to verify the interface index */
911 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur)
917 if (ugen_check_request(f->udev, &ur->ucr_request)) {
920 len = UGETW(ur->ucr_request.wLength);
922 /* check if "ucr_data" is valid */
924 if (ur->ucr_data == NULL) {
928 /* do the USB request */
929 error = usbd_do_request_flags
930 (f->udev, NULL, &ur->ucr_request, ur->ucr_data,
931 (ur->ucr_flags & USB_SHORT_XFER_OK) |
932 USB_USER_DATA_PTR, &actlen,
933 USB_DEFAULT_TIMEOUT);
935 ur->ucr_actlen = actlen;
943 /*------------------------------------------------------------------------
945 *------------------------------------------------------------------------*/
947 ugen_re_enumerate(struct usb_fifo *f)
949 struct usb_device *udev = f->udev;
953 * This request can be useful for testing USB drivers:
955 error = priv_check(curthread, PRIV_DRIVER);
959 if (udev->flags.usb_mode != USB_MODE_HOST) {
960 /* not possible in device side mode */
961 DPRINTFN(6, "device mode\n");
964 if (udev->parent_hub == NULL) {
965 /* the root HUB cannot be re-enumerated */
966 DPRINTFN(6, "cannot reset root HUB\n");
969 /* make sure all FIFO's are gone */
970 /* else there can be a deadlock */
971 if (ugen_fs_uninit(f)) {
972 /* ignore any errors */
973 DPRINTFN(6, "no FIFOs\n");
975 /* start re-enumeration of device */
976 usbd_start_re_enumerate(udev);
981 ugen_fs_uninit(struct usb_fifo *f)
983 if (f->fs_xfer == NULL) {
986 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max);
987 free(f->fs_xfer, M_USB);
991 f->flag_iscomplete = 0;
992 usb_fifo_free_buffer(f);
997 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex)
1001 USB_IF_DEQUEUE(&f->used_q, m);
1004 *pindex = *((uint8_t *)(m->cur_data_ptr));
1006 USB_IF_ENQUEUE(&f->free_q, m);
1008 return (0); /* success */
1011 *pindex = 0; /* fix compiler warning */
1013 f->flag_iscomplete = 0;
1015 return (1); /* failure */
1019 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index)
1023 USB_IF_DEQUEUE(&f->free_q, m);
1026 /* can happen during close */
1027 DPRINTF("out of buffers\n");
1032 *((uint8_t *)(m->cur_data_ptr)) = index;
1034 USB_IF_ENQUEUE(&f->used_q, m);
1036 f->flag_iscomplete = 1;
1042 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index)
1044 struct usb_device_request *req;
1045 struct usb_xfer *xfer;
1046 struct usb_fs_endpoint fs_ep;
1047 void *uaddr; /* userland pointer */
1049 usb_frlength_t offset;
1056 if (ep_index >= f->fs_ep_max) {
1059 xfer = f->fs_xfer[ep_index];
1063 mtx_lock(f->priv_mtx);
1064 if (usbd_transfer_pending(xfer)) {
1065 mtx_unlock(f->priv_mtx);
1066 return (EBUSY); /* should not happen */
1068 mtx_unlock(f->priv_mtx);
1070 error = copyin(f->fs_ep_ptr +
1071 ep_index, &fs_ep, sizeof(fs_ep));
1075 /* security checks */
1077 if (fs_ep.nFrames > xfer->max_frame_count) {
1078 xfer->error = USB_ERR_INVAL;
1081 if (fs_ep.nFrames == 0) {
1082 xfer->error = USB_ERR_INVAL;
1085 error = copyin(fs_ep.ppBuffer,
1086 &uaddr, sizeof(uaddr));
1090 /* reset first frame */
1091 usbd_xfer_set_frame_offset(xfer, 0, 0);
1093 if (xfer->flags_int.control_xfr) {
1095 req = xfer->frbuffers[0].buffer;
1097 error = copyin(fs_ep.pLength,
1098 &length, sizeof(length));
1102 if (length != sizeof(*req)) {
1103 xfer->error = USB_ERR_INVAL;
1107 error = copyin(uaddr, req, length);
1112 if (ugen_check_request(f->udev, req)) {
1113 xfer->error = USB_ERR_INVAL;
1116 usbd_xfer_set_frame_len(xfer, 0, length);
1118 /* Host mode only ! */
1119 if ((req->bmRequestType &
1120 (UT_READ | UT_WRITE)) == UT_READ) {
1126 offset = sizeof(*req);
1129 /* Device and Host mode */
1130 if (USB_GET_DATA_ISREAD(xfer)) {
1139 rem = usbd_xfer_max_len(xfer);
1140 xfer->nframes = fs_ep.nFrames;
1141 xfer->timeout = fs_ep.timeout;
1142 if (xfer->timeout > 65535) {
1143 xfer->timeout = 65535;
1145 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK)
1146 xfer->flags.short_xfer_ok = 1;
1148 xfer->flags.short_xfer_ok = 0;
1150 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK)
1151 xfer->flags.short_frames_ok = 1;
1153 xfer->flags.short_frames_ok = 0;
1155 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT)
1156 xfer->flags.force_short_xfer = 1;
1158 xfer->flags.force_short_xfer = 0;
1160 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL)
1161 usbd_xfer_set_stall(xfer);
1163 xfer->flags.stall_pipe = 0;
1165 for (; n != xfer->nframes; n++) {
1167 error = copyin(fs_ep.pLength + n,
1168 &length, sizeof(length));
1172 usbd_xfer_set_frame_len(xfer, n, length);
1175 xfer->error = USB_ERR_INVAL;
1182 /* we need to know the source buffer */
1183 error = copyin(fs_ep.ppBuffer + n,
1184 &uaddr, sizeof(uaddr));
1188 if (xfer->flags_int.isochronous_xfr) {
1189 /* get kernel buffer address */
1190 kaddr = xfer->frbuffers[0].buffer;
1191 kaddr = USB_ADD_BYTES(kaddr, offset);
1193 /* set current frame offset */
1194 usbd_xfer_set_frame_offset(xfer, offset, n);
1196 /* get kernel buffer address */
1197 kaddr = xfer->frbuffers[n].buffer;
1201 error = copyin(uaddr, kaddr, length);
1211 mtx_lock(f->priv_mtx);
1212 ugen_fs_set_complete(f, ep_index);
1213 mtx_unlock(f->priv_mtx);
1218 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index)
1220 struct usb_device_request *req;
1221 struct usb_xfer *xfer;
1222 struct usb_fs_endpoint fs_ep;
1223 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */
1224 void *uaddr; /* userland ptr */
1226 usb_frlength_t offset;
1234 if (ep_index >= f->fs_ep_max)
1237 xfer = f->fs_xfer[ep_index];
1241 mtx_lock(f->priv_mtx);
1242 if (usbd_transfer_pending(xfer)) {
1243 mtx_unlock(f->priv_mtx);
1244 return (EBUSY); /* should not happen */
1246 mtx_unlock(f->priv_mtx);
1248 fs_ep_uptr = f->fs_ep_ptr + ep_index;
1249 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep));
1253 fs_ep.status = xfer->error;
1254 fs_ep.aFrames = xfer->aframes;
1255 fs_ep.isoc_time_complete = xfer->isoc_time_complete;
1259 if (xfer->flags_int.control_xfr) {
1260 req = xfer->frbuffers[0].buffer;
1262 /* Host mode only ! */
1263 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) {
1268 if (xfer->nframes == 0)
1269 n = 0; /* should never happen */
1273 /* Device and Host mode */
1274 if (USB_GET_DATA_ISREAD(xfer)) {
1282 /* Update lengths and copy out data */
1284 rem = usbd_xfer_max_len(xfer);
1287 for (; n != xfer->nframes; n++) {
1289 /* get initial length into "temp" */
1290 error = copyin(fs_ep.pLength + n,
1291 &temp, sizeof(temp));
1296 /* the userland length has been corrupted */
1297 DPRINTF("corrupt userland length "
1298 "%u > %u\n", temp, rem);
1299 fs_ep.status = USB_ERR_INVAL;
1304 /* get actual transfer length */
1305 length = xfer->frlengths[n];
1306 if (length > temp) {
1308 fs_ep.status = USB_ERR_INVAL;
1309 DPRINTF("data overflow %u > %u\n",
1315 /* we need to know the destination buffer */
1316 error = copyin(fs_ep.ppBuffer + n,
1317 &uaddr, sizeof(uaddr));
1321 if (xfer->flags_int.isochronous_xfr) {
1322 /* only one frame buffer */
1323 kaddr = USB_ADD_BYTES(
1324 xfer->frbuffers[0].buffer, offset);
1326 /* multiple frame buffers */
1327 kaddr = xfer->frbuffers[n].buffer;
1331 error = copyout(kaddr, uaddr, length);
1337 * Update offset according to initial length, which is
1338 * needed by isochronous transfers!
1343 error = copyout(&length,
1344 fs_ep.pLength + n, sizeof(length));
1351 /* update "aFrames" */
1352 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames,
1353 sizeof(fs_ep.aFrames));
1357 /* update "isoc_time_complete" */
1358 error = copyout(&fs_ep.isoc_time_complete,
1359 &fs_ep_uptr->isoc_time_complete,
1360 sizeof(fs_ep.isoc_time_complete));
1363 /* update "status" */
1364 error = copyout(&fs_ep.status, &fs_ep_uptr->status,
1365 sizeof(fs_ep.status));
1371 ugen_fifo_in_use(struct usb_fifo *f, int fflags)
1373 struct usb_fifo *f_rx;
1374 struct usb_fifo *f_tx;
1376 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX];
1377 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX];
1379 if ((fflags & FREAD) && f_rx &&
1380 (f_rx->xfer[0] || f_rx->xfer[1])) {
1381 return (1); /* RX FIFO in use */
1383 if ((fflags & FWRITE) && f_tx &&
1384 (f_tx->xfer[0] || f_tx->xfer[1])) {
1385 return (1); /* TX FIFO in use */
1387 return (0); /* not in use */
1391 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
1393 struct usb_config usb_config[1];
1394 struct usb_device_request req;
1396 struct usb_fs_complete *pcomp;
1397 struct usb_fs_start *pstart;
1398 struct usb_fs_stop *pstop;
1399 struct usb_fs_open *popen;
1400 struct usb_fs_close *pclose;
1401 struct usb_fs_clear_stall_sync *pstall;
1404 struct usb_endpoint *ep;
1405 struct usb_endpoint_descriptor *ed;
1406 struct usb_xfer *xfer;
1408 uint8_t iface_index;
1415 DPRINTFN(6, "cmd=0x%08lx\n", cmd);
1418 case USB_FS_COMPLETE:
1419 mtx_lock(f->priv_mtx);
1420 error = ugen_fs_get_complete(f, &ep_index);
1421 mtx_unlock(f->priv_mtx);
1427 u.pcomp->ep_index = ep_index;
1428 error = ugen_fs_copy_out(f, u.pcomp->ep_index);
1432 error = ugen_fs_copy_in(f, u.pstart->ep_index);
1435 mtx_lock(f->priv_mtx);
1436 xfer = f->fs_xfer[u.pstart->ep_index];
1437 usbd_transfer_start(xfer);
1438 mtx_unlock(f->priv_mtx);
1442 if (u.pstop->ep_index >= f->fs_ep_max) {
1446 mtx_lock(f->priv_mtx);
1447 xfer = f->fs_xfer[u.pstart->ep_index];
1448 if (usbd_transfer_pending(xfer)) {
1449 usbd_transfer_stop(xfer);
1451 * Check if the USB transfer was stopped
1452 * before it was even started. Else a cancel
1453 * callback will be pending.
1455 if (!xfer->flags_int.transferring) {
1456 ugen_fs_set_complete(xfer->priv_sc,
1457 USB_P2U(xfer->priv_fifo));
1460 mtx_unlock(f->priv_mtx);
1464 if (u.popen->ep_index >= f->fs_ep_max) {
1468 if (f->fs_xfer[u.popen->ep_index] != NULL) {
1472 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) {
1473 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE;
1475 if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) {
1477 u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE;
1481 if (u.popen->max_frames > USB_FS_MAX_FRAMES) {
1482 u.popen->max_frames = USB_FS_MAX_FRAMES;
1485 if (u.popen->max_frames == 0) {
1489 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no);
1499 iface_index = ep->iface_index;
1501 memset(usb_config, 0, sizeof(usb_config));
1503 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
1504 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
1505 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN);
1506 usb_config[0].interval = USB_DEFAULT_INTERVAL;
1507 usb_config[0].flags.proxy_buffer = 1;
1509 usb_config[0].flags.pre_scale_frames = 1;
1510 usb_config[0].callback = &ugen_ctrl_fs_callback;
1511 usb_config[0].timeout = 0; /* no timeout */
1512 usb_config[0].frames = u.popen->max_frames;
1513 usb_config[0].bufsize = u.popen->max_bufsize;
1514 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
1516 if (usb_config[0].type == UE_CONTROL) {
1517 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
1523 isread = ((usb_config[0].endpoint &
1524 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN);
1526 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
1529 /* check permissions */
1531 if (!(fflags & FREAD)) {
1536 if (!(fflags & FWRITE)) {
1542 error = usbd_transfer_setup(f->udev, &iface_index,
1543 f->fs_xfer + u.popen->ep_index, usb_config, 1,
1546 /* update maximums */
1547 u.popen->max_packet_length =
1548 f->fs_xfer[u.popen->ep_index]->max_frame_size;
1549 u.popen->max_bufsize =
1550 f->fs_xfer[u.popen->ep_index]->max_data_length;
1551 /* update number of frames */
1552 u.popen->max_frames =
1553 f->fs_xfer[u.popen->ep_index]->nframes;
1554 /* store index of endpoint */
1555 f->fs_xfer[u.popen->ep_index]->priv_fifo =
1556 ((uint8_t *)0) + u.popen->ep_index;
1563 if (u.pclose->ep_index >= f->fs_ep_max) {
1567 if (f->fs_xfer[u.pclose->ep_index] == NULL) {
1571 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1);
1574 case USB_FS_CLEAR_STALL_SYNC:
1575 if (u.pstall->ep_index >= f->fs_ep_max) {
1579 if (f->fs_xfer[u.pstall->ep_index] == NULL) {
1583 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
1587 mtx_lock(f->priv_mtx);
1588 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]);
1589 mtx_unlock(f->priv_mtx);
1594 ep = f->fs_xfer[u.pstall->ep_index]->endpoint;
1596 /* setup a clear-stall packet */
1597 req.bmRequestType = UT_WRITE_ENDPOINT;
1598 req.bRequest = UR_CLEAR_FEATURE;
1599 USETW(req.wValue, UF_ENDPOINT_HALT);
1600 req.wIndex[0] = ep->edesc->bEndpointAddress;
1602 USETW(req.wLength, 0);
1604 error = usbd_do_request(f->udev, NULL, &req, NULL);
1606 usbd_clear_data_toggle(f->udev, ep);
1617 DPRINTFN(6, "error=%d\n", error);
1623 ugen_set_short_xfer(struct usb_fifo *f, void *addr)
1632 if (f->flag_short == t) {
1633 /* same value like before - accept */
1636 if (f->xfer[0] || f->xfer[1]) {
1637 /* cannot change this during transfer */
1645 ugen_set_timeout(struct usb_fifo *f, void *addr)
1647 f->timeout = *(int *)addr;
1648 if (f->timeout > 65535) {
1649 /* limit user input */
1656 ugen_get_frame_size(struct usb_fifo *f, void *addr)
1659 *(int *)addr = f->xfer[0]->max_frame_size;
1667 ugen_set_buffer_size(struct usb_fifo *f, void *addr)
1671 if (*(int *)addr < 0)
1672 t = 0; /* use "wMaxPacketSize" */
1673 else if (*(int *)addr < (256 * 1024))
1678 if (f->bufsize == t) {
1679 /* same value like before - accept */
1682 if (f->xfer[0] || f->xfer[1]) {
1683 /* cannot change this during transfer */
1691 ugen_get_buffer_size(struct usb_fifo *f, void *addr)
1693 *(int *)addr = f->bufsize;
1698 ugen_get_iface_desc(struct usb_fifo *f,
1699 struct usb_interface_descriptor *idesc)
1701 struct usb_interface *iface;
1703 iface = usbd_get_iface(f->udev, f->iface_index);
1704 if (iface && iface->idesc) {
1705 *idesc = *(iface->idesc);
1713 ugen_get_endpoint_desc(struct usb_fifo *f,
1714 struct usb_endpoint_descriptor *ed)
1716 struct usb_endpoint *ep;
1718 ep = usb_fifo_softc(f);
1720 if (ep && ep->edesc) {
1729 ugen_set_power_mode(struct usb_fifo *f, int mode)
1731 struct usb_device *udev = f->udev;
1735 if ((udev == NULL) ||
1736 (udev->parent_hub == NULL)) {
1739 err = priv_check(curthread, PRIV_DRIVER);
1743 /* get old power mode */
1744 old_mode = udev->power_mode;
1746 /* if no change, then just return */
1747 if (old_mode == mode)
1751 case USB_POWER_MODE_OFF:
1752 if (udev->flags.usb_mode == USB_MODE_HOST &&
1753 udev->re_enumerate_wait == USB_RE_ENUM_DONE) {
1754 udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF;
1756 /* set power mode will wake up the explore thread */
1759 case USB_POWER_MODE_ON:
1760 case USB_POWER_MODE_SAVE:
1763 case USB_POWER_MODE_RESUME:
1765 /* let USB-powerd handle resume */
1766 USB_BUS_LOCK(udev->bus);
1767 udev->pwr_save.write_refs++;
1768 udev->pwr_save.last_xfer_time = ticks;
1769 USB_BUS_UNLOCK(udev->bus);
1771 /* set new power mode */
1772 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE);
1774 /* wait for resume to complete */
1775 usb_pause_mtx(NULL, hz / 4);
1777 /* clear write reference */
1778 USB_BUS_LOCK(udev->bus);
1779 udev->pwr_save.write_refs--;
1780 USB_BUS_UNLOCK(udev->bus);
1782 mode = USB_POWER_MODE_SAVE;
1785 case USB_POWER_MODE_SUSPEND:
1787 /* let USB-powerd handle suspend */
1788 USB_BUS_LOCK(udev->bus);
1789 udev->pwr_save.last_xfer_time = ticks - (256 * hz);
1790 USB_BUS_UNLOCK(udev->bus);
1792 mode = USB_POWER_MODE_SAVE;
1800 return (ENXIO); /* I/O failure */
1802 /* if we are powered off we need to re-enumerate first */
1803 if (old_mode == USB_POWER_MODE_OFF) {
1804 if (udev->flags.usb_mode == USB_MODE_HOST &&
1805 udev->re_enumerate_wait == USB_RE_ENUM_DONE) {
1806 udev->re_enumerate_wait = USB_RE_ENUM_START;
1808 /* set power mode will wake up the explore thread */
1811 /* set new power mode */
1812 usbd_set_power_mode(udev, mode);
1814 return (0); /* success */
1818 ugen_get_power_mode(struct usb_fifo *f)
1820 struct usb_device *udev = f->udev;
1823 return (USB_POWER_MODE_ON);
1825 return (udev->power_mode);
1829 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no,
1830 uint8_t set, uint16_t feature)
1832 struct usb_device *udev = f->udev;
1833 struct usb_hub *hub;
1836 err = priv_check(curthread, PRIV_DRIVER);
1843 if ((udev == NULL) ||
1844 (udev->hub == NULL)) {
1849 if (port_no > hub->nports) {
1853 err = usbd_req_set_port_feature(udev,
1854 NULL, port_no, feature);
1856 err = usbd_req_clear_port_feature(udev,
1857 NULL, port_no, feature);
1860 return (ENXIO); /* failure */
1862 return (0); /* success */
1866 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
1868 struct usb_fifo *f_rx;
1869 struct usb_fifo *f_tx;
1872 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX];
1873 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX];
1876 case USB_SET_RX_SHORT_XFER:
1877 if (fflags & FREAD) {
1878 error = ugen_set_short_xfer(f_rx, addr);
1884 case USB_SET_TX_FORCE_SHORT:
1885 if (fflags & FWRITE) {
1886 error = ugen_set_short_xfer(f_tx, addr);
1892 case USB_SET_RX_TIMEOUT:
1893 if (fflags & FREAD) {
1894 error = ugen_set_timeout(f_rx, addr);
1900 case USB_SET_TX_TIMEOUT:
1901 if (fflags & FWRITE) {
1902 error = ugen_set_timeout(f_tx, addr);
1908 case USB_GET_RX_FRAME_SIZE:
1909 if (fflags & FREAD) {
1910 error = ugen_get_frame_size(f_rx, addr);
1916 case USB_GET_TX_FRAME_SIZE:
1917 if (fflags & FWRITE) {
1918 error = ugen_get_frame_size(f_tx, addr);
1924 case USB_SET_RX_BUFFER_SIZE:
1925 if (fflags & FREAD) {
1926 error = ugen_set_buffer_size(f_rx, addr);
1932 case USB_SET_TX_BUFFER_SIZE:
1933 if (fflags & FWRITE) {
1934 error = ugen_set_buffer_size(f_tx, addr);
1940 case USB_GET_RX_BUFFER_SIZE:
1941 if (fflags & FREAD) {
1942 error = ugen_get_buffer_size(f_rx, addr);
1948 case USB_GET_TX_BUFFER_SIZE:
1949 if (fflags & FWRITE) {
1950 error = ugen_get_buffer_size(f_tx, addr);
1956 case USB_GET_RX_INTERFACE_DESC:
1957 if (fflags & FREAD) {
1958 error = ugen_get_iface_desc(f_rx, addr);
1964 case USB_GET_TX_INTERFACE_DESC:
1965 if (fflags & FWRITE) {
1966 error = ugen_get_iface_desc(f_tx, addr);
1972 case USB_GET_RX_ENDPOINT_DESC:
1973 if (fflags & FREAD) {
1974 error = ugen_get_endpoint_desc(f_rx, addr);
1980 case USB_GET_TX_ENDPOINT_DESC:
1981 if (fflags & FWRITE) {
1982 error = ugen_get_endpoint_desc(f_tx, addr);
1988 case USB_SET_RX_STALL_FLAG:
1989 if ((fflags & FREAD) && (*(int *)addr)) {
1990 f_rx->flag_stall = 1;
1994 case USB_SET_TX_STALL_FLAG:
1995 if ((fflags & FWRITE) && (*(int *)addr)) {
1996 f_tx->flag_stall = 1;
2008 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
2011 struct usb_interface_descriptor *idesc;
2012 struct usb_alt_interface *ai;
2013 struct usb_device_descriptor *ddesc;
2014 struct usb_config_descriptor *cdesc;
2015 struct usb_device_stats *stat;
2016 struct usb_fs_init *pinit;
2017 struct usb_fs_uninit *puninit;
2022 struct usb_device_descriptor *dtemp;
2023 struct usb_config_descriptor *ctemp;
2024 struct usb_interface *iface;
2030 DPRINTFN(6, "cmd=0x%08lx\n", cmd);
2034 usb_needs_explore_all();
2038 if (!(fflags & FWRITE)) {
2042 usb_debug = *(int *)addr;
2045 case USB_GET_CONFIG:
2046 *(int *)addr = f->udev->curr_config_index;
2049 case USB_SET_CONFIG:
2050 if (!(fflags & FWRITE)) {
2054 error = ugen_set_config(f, *(int *)addr);
2057 case USB_GET_ALTINTERFACE:
2058 iface = usbd_get_iface(f->udev,
2059 u.ai->uai_interface_index);
2060 if (iface && iface->idesc) {
2061 u.ai->uai_alt_index = iface->alt_index;
2067 case USB_SET_ALTINTERFACE:
2068 if (!(fflags & FWRITE)) {
2072 error = ugen_set_interface(f,
2073 u.ai->uai_interface_index, u.ai->uai_alt_index);
2076 case USB_GET_DEVICE_DESC:
2077 dtemp = usbd_get_device_descriptor(f->udev);
2085 case USB_GET_CONFIG_DESC:
2086 ctemp = usbd_get_config_descriptor(f->udev);
2094 case USB_GET_FULL_DESC:
2095 error = ugen_get_cdesc(f, addr);
2098 case USB_GET_STRING_DESC:
2099 error = ugen_get_sdesc(f, addr);
2102 case USB_GET_IFACE_DRIVER:
2103 error = ugen_get_iface_driver(f, addr);
2107 case USB_DO_REQUEST:
2108 if (!(fflags & FWRITE)) {
2112 error = ugen_do_request(f, addr);
2115 case USB_DEVICEINFO:
2116 case USB_GET_DEVICEINFO:
2117 error = usb_gen_fill_deviceinfo(f, addr);
2120 case USB_DEVICESTATS:
2121 for (n = 0; n != 4; n++) {
2123 u.stat->uds_requests_fail[n] =
2124 f->udev->bus->stats_err.uds_requests[n];
2126 u.stat->uds_requests_ok[n] =
2127 f->udev->bus->stats_ok.uds_requests[n];
2131 case USB_DEVICEENUMERATE:
2132 error = ugen_re_enumerate(f);
2135 case USB_GET_PLUGTIME:
2136 *u.ptime = f->udev->plugtime;
2139 case USB_CLAIM_INTERFACE:
2140 case USB_RELEASE_INTERFACE:
2144 case USB_IFACE_DRIVER_ACTIVE:
2148 iface = usbd_get_iface(f->udev, n);
2150 if (iface && iface->subdev)
2156 case USB_IFACE_DRIVER_DETACH:
2158 error = priv_check(curthread, PRIV_DRIVER);
2165 if (n == USB_IFACE_INDEX_ANY) {
2171 * Detach the currently attached driver.
2173 usb_detach_device(f->udev, n, 0);
2176 * Set parent to self, this should keep attach away
2177 * until the next set configuration event.
2179 usbd_set_parent_iface(f->udev, n, n);
2182 case USB_SET_POWER_MODE:
2183 error = ugen_set_power_mode(f, *u.pint);
2186 case USB_GET_POWER_MODE:
2187 *u.pint = ugen_get_power_mode(f);
2190 case USB_SET_PORT_ENABLE:
2191 error = ugen_do_port_feature(f,
2192 *u.pint, 1, UHF_PORT_ENABLE);
2195 case USB_SET_PORT_DISABLE:
2196 error = ugen_do_port_feature(f,
2197 *u.pint, 0, UHF_PORT_ENABLE);
2201 /* verify input parameters */
2202 if (u.pinit->pEndpoints == NULL) {
2206 if (u.pinit->ep_index_max > 127) {
2210 if (u.pinit->ep_index_max == 0) {
2214 if (f->fs_xfer != NULL) {
2218 if (f->dev_ep_index != 0) {
2222 if (ugen_fifo_in_use(f, fflags)) {
2226 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max);
2230 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) *
2231 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO);
2232 if (f->fs_xfer == NULL) {
2233 usb_fifo_free_buffer(f);
2237 f->fs_ep_max = u.pinit->ep_index_max;
2238 f->fs_ep_ptr = u.pinit->pEndpoints;
2242 if (u.puninit->dummy != 0) {
2246 error = ugen_fs_uninit(f);
2250 mtx_lock(f->priv_mtx);
2251 error = ugen_iface_ioctl(f, cmd, addr, fflags);
2252 mtx_unlock(f->priv_mtx);
2255 DPRINTFN(6, "error=%d\n", error);
2260 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error)
2262 ; /* workaround for a bug in "indent" */
2264 DPRINTF("st=%u alen=%u aframes=%u\n",
2265 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes);
2267 switch (USB_GET_STATE(xfer)) {
2269 usbd_transfer_submit(xfer);
2272 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo));
2276 #endif /* USB_HAVE_UGEN */