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/linker_set.h>
36 #include <sys/module.h>
38 #include <sys/mutex.h>
39 #include <sys/condvar.h>
40 #include <sys/sysctl.h>
42 #include <sys/unistd.h>
43 #include <sys/callout.h>
44 #include <sys/malloc.h>
47 #include <sys/fcntl.h>
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usb_ioctl.h>
51 #include <dev/usb/usbdi.h>
52 #include <dev/usb/usbdi_util.h>
54 #define USB_DEBUG_VAR ugen_debug
56 #include <dev/usb/usb_core.h>
57 #include <dev/usb/usb_dev.h>
58 #include <dev/usb/usb_mbuf.h>
59 #include <dev/usb/usb_process.h>
60 #include <dev/usb/usb_device.h>
61 #include <dev/usb/usb_debug.h>
62 #include <dev/usb/usb_request.h>
63 #include <dev/usb/usb_busdma.h>
64 #include <dev/usb/usb_util.h>
65 #include <dev/usb/usb_hub.h>
66 #include <dev/usb/usb_generic.h>
67 #include <dev/usb/usb_transfer.h>
69 #include <dev/usb/usb_controller.h>
70 #include <dev/usb/usb_bus.h>
76 #define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */
77 #define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */
78 #define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */
80 /* function prototypes */
82 static usb_callback_t ugen_read_clear_stall_callback;
83 static usb_callback_t ugen_write_clear_stall_callback;
84 static usb_callback_t ugen_ctrl_read_callback;
85 static usb_callback_t ugen_ctrl_write_callback;
86 static usb_callback_t ugen_isoc_read_callback;
87 static usb_callback_t ugen_isoc_write_callback;
88 static usb_callback_t ugen_ctrl_fs_callback;
90 static usb_fifo_open_t ugen_open;
91 static usb_fifo_close_t ugen_close;
92 static usb_fifo_ioctl_t ugen_ioctl;
93 static usb_fifo_ioctl_t ugen_ioctl_post;
94 static usb_fifo_cmd_t ugen_start_read;
95 static usb_fifo_cmd_t ugen_start_write;
96 static usb_fifo_cmd_t ugen_stop_io;
98 static int ugen_transfer_setup(struct usb_fifo *,
99 const struct usb_config *, uint8_t);
100 static int ugen_open_pipe_write(struct usb_fifo *);
101 static int ugen_open_pipe_read(struct usb_fifo *);
102 static int ugen_set_config(struct usb_fifo *, uint8_t);
103 static int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t);
104 static int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *);
105 static int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *);
106 static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd);
107 static int usb_gen_fill_deviceinfo(struct usb_fifo *,
108 struct usb_device_info *);
109 static int ugen_re_enumerate(struct usb_fifo *);
110 static int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int);
111 static uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *);
112 static int ugen_fs_uninit(struct usb_fifo *f);
116 struct usb_fifo_methods usb_ugen_methods = {
117 .f_open = &ugen_open,
118 .f_close = &ugen_close,
119 .f_ioctl = &ugen_ioctl,
120 .f_ioctl_post = &ugen_ioctl_post,
121 .f_start_read = &ugen_start_read,
122 .f_stop_read = &ugen_stop_io,
123 .f_start_write = &ugen_start_write,
124 .f_stop_write = &ugen_stop_io,
128 static int ugen_debug = 0;
130 SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB generic");
131 SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW, &ugen_debug,
134 TUNABLE_INT("hw.usb.ugen.debug", &ugen_debug);
141 ugen_transfer_setup(struct usb_fifo *f,
142 const struct usb_config *setup, uint8_t n_setup)
144 struct usb_endpoint *ep = usb_fifo_softc(f);
145 struct usb_device *udev = f->udev;
146 uint8_t iface_index = ep->iface_index;
149 mtx_unlock(f->priv_mtx);
152 * "usbd_transfer_setup()" can sleep so one needs to make a wrapper,
153 * exiting the mutex and checking things
155 error = usbd_transfer_setup(udev, &iface_index, f->xfer,
156 setup, n_setup, f, f->priv_mtx);
159 if (f->xfer[0]->nframes == 1) {
160 error = usb_fifo_alloc_buffer(f,
161 f->xfer[0]->max_data_length, 2);
163 error = usb_fifo_alloc_buffer(f,
164 f->xfer[0]->max_frame_size,
165 2 * f->xfer[0]->nframes);
168 usbd_transfer_unsetup(f->xfer, n_setup);
171 mtx_lock(f->priv_mtx);
177 ugen_open(struct usb_fifo *f, int fflags)
179 struct usb_endpoint *ep = usb_fifo_softc(f);
180 struct usb_endpoint_descriptor *ed = ep->edesc;
183 DPRINTFN(6, "flag=0x%x\n", fflags);
185 mtx_lock(f->priv_mtx);
186 switch (usbd_get_speed(f->udev)) {
189 f->nframes = UGEN_HW_FRAMES;
190 f->bufsize = UGEN_BULK_FS_BUFFER_SIZE;
193 f->nframes = UGEN_HW_FRAMES * 8;
194 f->bufsize = UGEN_BULK_HS_BUFFER_SIZE;
198 type = ed->bmAttributes & UE_XFERTYPE;
199 if (type == UE_INTERRUPT) {
200 f->bufsize = 0; /* use "wMaxPacketSize" */
202 f->timeout = USB_NO_TIMEOUT;
205 mtx_unlock(f->priv_mtx);
211 ugen_close(struct usb_fifo *f, int fflags)
213 DPRINTFN(6, "flag=0x%x\n", fflags);
217 mtx_lock(f->priv_mtx);
218 usbd_transfer_stop(f->xfer[0]);
219 usbd_transfer_stop(f->xfer[1]);
220 mtx_unlock(f->priv_mtx);
222 usbd_transfer_unsetup(f->xfer, 2);
223 usb_fifo_free_buffer(f);
225 if (ugen_fs_uninit(f)) {
226 /* ignore any errors - we are closing */
227 DPRINTFN(6, "no FIFOs\n");
232 ugen_open_pipe_write(struct usb_fifo *f)
234 struct usb_config usb_config[2];
235 struct usb_endpoint *ep = usb_fifo_softc(f);
236 struct usb_endpoint_descriptor *ed = ep->edesc;
238 mtx_assert(f->priv_mtx, MA_OWNED);
240 if (f->xfer[0] || f->xfer[1]) {
241 /* transfers are already opened */
244 bzero(usb_config, sizeof(usb_config));
246 usb_config[1].type = UE_CONTROL;
247 usb_config[1].endpoint = 0;
248 usb_config[1].direction = UE_DIR_ANY;
249 usb_config[1].timeout = 1000; /* 1 second */
250 usb_config[1].interval = 50;/* 50 milliseconds */
251 usb_config[1].bufsize = sizeof(struct usb_device_request);
252 usb_config[1].callback = &ugen_write_clear_stall_callback;
253 usb_config[1].usb_mode = USB_MODE_HOST;
255 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
256 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
257 usb_config[0].direction = UE_DIR_TX;
258 usb_config[0].interval = USB_DEFAULT_INTERVAL;
259 usb_config[0].flags.proxy_buffer = 1;
260 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
262 switch (ed->bmAttributes & UE_XFERTYPE) {
266 usb_config[0].flags.force_short_xfer = 1;
268 usb_config[0].callback = &ugen_ctrl_write_callback;
269 usb_config[0].timeout = f->timeout;
270 usb_config[0].frames = 1;
271 usb_config[0].bufsize = f->bufsize;
272 if (ugen_transfer_setup(f, usb_config, 2)) {
275 /* first transfer does not clear stall */
280 usb_config[0].flags.short_xfer_ok = 1;
281 usb_config[0].bufsize = 0; /* use default */
282 usb_config[0].frames = f->nframes;
283 usb_config[0].callback = &ugen_isoc_write_callback;
284 usb_config[0].timeout = 0;
286 /* clone configuration */
287 usb_config[1] = usb_config[0];
289 if (ugen_transfer_setup(f, usb_config, 2)) {
300 ugen_open_pipe_read(struct usb_fifo *f)
302 struct usb_config usb_config[2];
303 struct usb_endpoint *ep = usb_fifo_softc(f);
304 struct usb_endpoint_descriptor *ed = ep->edesc;
306 mtx_assert(f->priv_mtx, MA_OWNED);
308 if (f->xfer[0] || f->xfer[1]) {
309 /* transfers are already opened */
312 bzero(usb_config, sizeof(usb_config));
314 usb_config[1].type = UE_CONTROL;
315 usb_config[1].endpoint = 0;
316 usb_config[1].direction = UE_DIR_ANY;
317 usb_config[1].timeout = 1000; /* 1 second */
318 usb_config[1].interval = 50;/* 50 milliseconds */
319 usb_config[1].bufsize = sizeof(struct usb_device_request);
320 usb_config[1].callback = &ugen_read_clear_stall_callback;
321 usb_config[1].usb_mode = USB_MODE_HOST;
323 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
324 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
325 usb_config[0].direction = UE_DIR_RX;
326 usb_config[0].interval = USB_DEFAULT_INTERVAL;
327 usb_config[0].flags.proxy_buffer = 1;
328 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
330 switch (ed->bmAttributes & UE_XFERTYPE) {
334 usb_config[0].flags.short_xfer_ok = 1;
336 usb_config[0].timeout = f->timeout;
337 usb_config[0].frames = 1;
338 usb_config[0].callback = &ugen_ctrl_read_callback;
339 usb_config[0].bufsize = f->bufsize;
341 if (ugen_transfer_setup(f, usb_config, 2)) {
344 /* first transfer does not clear stall */
349 usb_config[0].flags.short_xfer_ok = 1;
350 usb_config[0].bufsize = 0; /* use default */
351 usb_config[0].frames = f->nframes;
352 usb_config[0].callback = &ugen_isoc_read_callback;
353 usb_config[0].timeout = 0;
355 /* clone configuration */
356 usb_config[1] = usb_config[0];
358 if (ugen_transfer_setup(f, usb_config, 2)) {
370 ugen_start_read(struct usb_fifo *f)
372 /* check that pipes are open */
373 if (ugen_open_pipe_read(f)) {
375 usb_fifo_put_data_error(f);
377 /* start transfers */
378 usbd_transfer_start(f->xfer[0]);
379 usbd_transfer_start(f->xfer[1]);
383 ugen_start_write(struct usb_fifo *f)
385 /* check that pipes are open */
386 if (ugen_open_pipe_write(f)) {
388 usb_fifo_get_data_error(f);
390 /* start transfers */
391 usbd_transfer_start(f->xfer[0]);
392 usbd_transfer_start(f->xfer[1]);
396 ugen_stop_io(struct usb_fifo *f)
399 usbd_transfer_stop(f->xfer[0]);
400 usbd_transfer_stop(f->xfer[1]);
404 ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
406 struct usb_fifo *f = usbd_xfer_softc(xfer);
409 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
411 switch (USB_GET_STATE(xfer)) {
412 case USB_ST_TRANSFERRED:
413 if (xfer->actlen == 0) {
414 if (f->fifo_zlp != 4) {
418 * Throttle a little bit we have multiple ZLPs
421 xfer->interval = 64; /* ms */
428 usb_fifo_put_data(f, xfer->frbuffers, 0,
433 usbd_transfer_start(f->xfer[1]);
436 USB_IF_POLL(&f->free_q, m);
438 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
439 usbd_transfer_submit(xfer);
444 if (xfer->error != USB_ERR_CANCELLED) {
445 /* send a zero length packet to userland */
446 usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1);
449 usbd_transfer_start(f->xfer[1]);
456 ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
458 struct usb_fifo *f = usbd_xfer_softc(xfer);
459 usb_frlength_t actlen;
461 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
463 switch (USB_GET_STATE(xfer)) {
465 case USB_ST_TRANSFERRED:
467 * If writing is in stall, just jump to clear stall
468 * callback and solve the situation.
471 usbd_transfer_start(f->xfer[1]);
475 * Write data, setup and perform hardware transfer.
477 if (usb_fifo_get_data(f, xfer->frbuffers, 0,
478 xfer->max_data_length, &actlen, 0)) {
479 usbd_xfer_set_frame_len(xfer, 0, actlen);
480 usbd_transfer_submit(xfer);
485 if (xfer->error != USB_ERR_CANCELLED) {
487 usbd_transfer_start(f->xfer[1]);
494 ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
496 struct usb_fifo *f = usbd_xfer_softc(xfer);
497 struct usb_xfer *xfer_other = f->xfer[0];
499 if (f->flag_stall == 0) {
503 if (usbd_clear_stall_callback(xfer, xfer_other)) {
504 DPRINTFN(5, "f=%p: stall cleared\n", f);
506 usbd_transfer_start(xfer_other);
511 ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
513 struct usb_fifo *f = usbd_xfer_softc(xfer);
514 struct usb_xfer *xfer_other = f->xfer[0];
516 if (f->flag_stall == 0) {
520 if (usbd_clear_stall_callback(xfer, xfer_other)) {
521 DPRINTFN(5, "f=%p: stall cleared\n", f);
523 usbd_transfer_start(xfer_other);
528 ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error)
530 struct usb_fifo *f = usbd_xfer_softc(xfer);
531 usb_frlength_t offset;
534 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
536 switch (USB_GET_STATE(xfer)) {
537 case USB_ST_TRANSFERRED:
539 DPRINTFN(6, "actlen=%d\n", xfer->actlen);
543 for (n = 0; n != xfer->aframes; n++) {
544 usb_fifo_put_data(f, xfer->frbuffers, offset,
545 xfer->frlengths[n], 1);
546 offset += xfer->max_frame_size;
551 for (n = 0; n != xfer->nframes; n++) {
552 /* setup size for next transfer */
553 usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size);
555 usbd_transfer_submit(xfer);
559 if (xfer->error == USB_ERR_CANCELLED) {
567 ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error)
569 struct usb_fifo *f = usbd_xfer_softc(xfer);
570 usb_frlength_t actlen;
571 usb_frlength_t offset;
574 DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
576 switch (USB_GET_STATE(xfer)) {
577 case USB_ST_TRANSFERRED:
581 for (n = 0; n != xfer->nframes; n++) {
582 if (usb_fifo_get_data(f, xfer->frbuffers, offset,
583 xfer->max_frame_size, &actlen, 1)) {
584 usbd_xfer_set_frame_len(xfer, n, actlen);
591 for (; n != xfer->nframes; n++) {
592 /* fill in zero frames */
593 usbd_xfer_set_frame_len(xfer, n, 0);
595 usbd_transfer_submit(xfer);
599 if (xfer->error == USB_ERR_CANCELLED) {
607 ugen_set_config(struct usb_fifo *f, uint8_t index)
609 DPRINTFN(2, "index %u\n", index);
611 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
612 /* not possible in device side mode */
615 if (f->udev->curr_config_index == index) {
616 /* no change needed */
619 /* make sure all FIFO's are gone */
620 /* else there can be a deadlock */
621 if (ugen_fs_uninit(f)) {
622 /* ignore any errors */
623 DPRINTFN(6, "no FIFOs\n");
625 /* change setting - will free generic FIFOs, if any */
626 if (usbd_set_config_index(f->udev, index)) {
629 /* probe and attach */
630 if (usb_probe_and_attach(f->udev, USB_IFACE_INDEX_ANY)) {
637 ugen_set_interface(struct usb_fifo *f,
638 uint8_t iface_index, uint8_t alt_index)
640 DPRINTFN(2, "%u, %u\n", iface_index, alt_index);
642 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
643 /* not possible in device side mode */
646 /* make sure all FIFO's are gone */
647 /* else there can be a deadlock */
648 if (ugen_fs_uninit(f)) {
649 /* ignore any errors */
650 DPRINTFN(6, "no FIFOs\n");
652 /* change setting - will free generic FIFOs, if any */
653 if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) {
656 /* probe and attach */
657 if (usb_probe_and_attach(f->udev, iface_index)) {
663 /*------------------------------------------------------------------------*
666 * This function will retrieve the complete configuration descriptor
667 * at the given index.
668 *------------------------------------------------------------------------*/
670 ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
672 struct usb_config_descriptor *cdesc;
673 struct usb_device *udev = f->udev;
680 if (ugd->ugd_data == NULL) {
681 /* userland pointer should not be zero */
684 if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) ||
685 (ugd->ugd_config_index == udev->curr_config_index)) {
686 cdesc = usbd_get_config_descriptor(udev);
693 if (usbd_req_get_config_desc_full(udev,
694 NULL, &cdesc, M_USBDEV,
695 ugd->ugd_config_index)) {
701 len = UGETW(cdesc->wTotalLength);
702 if (len > ugd->ugd_maxlen) {
703 len = ugd->ugd_maxlen;
705 DPRINTFN(6, "len=%u\n", len);
707 ugd->ugd_actlen = len;
710 error = copyout(cdesc, ugd->ugd_data, len);
713 free(cdesc, M_USBDEV);
719 ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
721 void *ptr = f->udev->bus->scratch[0].data;
722 uint16_t size = sizeof(f->udev->bus->scratch[0].data);
725 if (usbd_req_get_string_desc(f->udev, NULL, ptr,
726 size, ugd->ugd_lang_id, ugd->ugd_string_index)) {
730 if (size > ((uint8_t *)ptr)[0]) {
731 size = ((uint8_t *)ptr)[0];
733 if (size > ugd->ugd_maxlen) {
734 size = ugd->ugd_maxlen;
736 ugd->ugd_actlen = size;
739 error = copyout(ptr, ugd->ugd_data, size);
744 /*------------------------------------------------------------------------*
745 * ugen_get_iface_driver
747 * This function generates an USB interface description for userland.
752 *------------------------------------------------------------------------*/
754 ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
756 struct usb_device *udev = f->udev;
757 struct usb_interface *iface;
767 if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) {
768 /* userland pointer should not be zero */
772 iface = usbd_get_iface(udev, ugd->ugd_iface_index);
773 if ((iface == NULL) || (iface->idesc == NULL)) {
774 /* invalid interface index */
778 /* read out device nameunit string, if any */
779 if ((iface->subdev != NULL) &&
780 device_is_attached(iface->subdev) &&
781 (ptr = device_get_nameunit(iface->subdev)) &&
782 (desc = device_get_desc(iface->subdev))) {
784 /* print description */
785 snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc);
788 maxlen = ugd->ugd_maxlen - 1;
793 /* update actual length, including terminating zero */
794 ugd->ugd_actlen = len + 1;
796 /* copy out interface description */
797 error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen);
799 /* zero length string is default */
800 error = copyout("", ugd->ugd_data, 1);
805 /*------------------------------------------------------------------------*
806 * usb_gen_fill_deviceinfo
808 * This function dumps information about an USB device to the
809 * structure pointed to by the "di" argument.
814 *------------------------------------------------------------------------*/
816 usb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di)
818 struct usb_device *udev;
819 struct usb_device *hub;
823 bzero(di, sizeof(di[0]));
825 di->udi_bus = device_get_unit(udev->bus->bdev);
826 di->udi_addr = udev->address;
827 di->udi_index = udev->device_index;
828 strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial));
829 strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor));
830 strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product));
831 usb_printbcd(di->udi_release, sizeof(di->udi_release),
832 UGETW(udev->ddesc.bcdDevice));
833 di->udi_vendorNo = UGETW(udev->ddesc.idVendor);
834 di->udi_productNo = UGETW(udev->ddesc.idProduct);
835 di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice);
836 di->udi_class = udev->ddesc.bDeviceClass;
837 di->udi_subclass = udev->ddesc.bDeviceSubClass;
838 di->udi_protocol = udev->ddesc.bDeviceProtocol;
839 di->udi_config_no = udev->curr_config_no;
840 di->udi_config_index = udev->curr_config_index;
841 di->udi_power = udev->flags.self_powered ? 0 : udev->power;
842 di->udi_speed = udev->speed;
843 di->udi_mode = udev->flags.usb_mode;
844 di->udi_power_mode = udev->power_mode;
845 di->udi_suspended = udev->flags.peer_suspended;
847 hub = udev->parent_hub;
849 di->udi_hubaddr = hub->address;
850 di->udi_hubindex = hub->device_index;
851 di->udi_hubport = udev->port_no;
856 /*------------------------------------------------------------------------*
862 *------------------------------------------------------------------------*/
864 ugen_check_request(struct usb_device *udev, struct usb_device_request *req)
866 struct usb_endpoint *ep;
870 * Avoid requests that would damage the bus integrity:
872 if (((req->bmRequestType == UT_WRITE_DEVICE) &&
873 (req->bRequest == UR_SET_ADDRESS)) ||
874 ((req->bmRequestType == UT_WRITE_DEVICE) &&
875 (req->bRequest == UR_SET_CONFIG)) ||
876 ((req->bmRequestType == UT_WRITE_INTERFACE) &&
877 (req->bRequest == UR_SET_INTERFACE))) {
879 * These requests can be useful for testing USB drivers.
881 error = priv_check(curthread, PRIV_DRIVER);
887 * Special case - handle clearing of stall
889 if (req->bmRequestType == UT_WRITE_ENDPOINT) {
891 ep = usbd_get_ep_by_addr(udev, req->wIndex[0]);
895 if ((req->bRequest == UR_CLEAR_FEATURE) &&
896 (UGETW(req->wValue) == UF_ENDPOINT_HALT)) {
897 usbd_clear_data_toggle(udev, ep);
900 /* TODO: add more checks to verify the interface index */
906 ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur)
912 if (ugen_check_request(f->udev, &ur->ucr_request)) {
915 len = UGETW(ur->ucr_request.wLength);
917 /* check if "ucr_data" is valid */
919 if (ur->ucr_data == NULL) {
923 /* do the USB request */
924 error = usbd_do_request_flags
925 (f->udev, NULL, &ur->ucr_request, ur->ucr_data,
926 (ur->ucr_flags & USB_SHORT_XFER_OK) |
927 USB_USER_DATA_PTR, &actlen,
928 USB_DEFAULT_TIMEOUT);
930 ur->ucr_actlen = actlen;
938 /*------------------------------------------------------------------------
940 *------------------------------------------------------------------------*/
942 ugen_re_enumerate(struct usb_fifo *f)
944 struct usb_device *udev = f->udev;
948 * This request can be useful for testing USB drivers:
950 error = priv_check(curthread, PRIV_DRIVER);
954 /* get the device unconfigured */
955 error = ugen_set_config(f, USB_UNCONFIG_INDEX);
960 mtx_lock(f->priv_mtx);
961 error = usbd_req_re_enumerate(udev, f->priv_mtx);
962 mtx_unlock(f->priv_mtx);
967 /* restore configuration to index 0 */
968 error = ugen_set_config(f, 0);
976 ugen_fs_uninit(struct usb_fifo *f)
978 if (f->fs_xfer == NULL) {
981 usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max);
982 free(f->fs_xfer, M_USB);
986 f->flag_iscomplete = 0;
987 usb_fifo_free_buffer(f);
992 ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex)
996 USB_IF_DEQUEUE(&f->used_q, m);
999 *pindex = *((uint8_t *)(m->cur_data_ptr));
1001 USB_IF_ENQUEUE(&f->free_q, m);
1003 return (0); /* success */
1006 *pindex = 0; /* fix compiler warning */
1008 f->flag_iscomplete = 0;
1010 return (1); /* failure */
1014 ugen_fs_set_complete(struct usb_fifo *f, uint8_t index)
1018 USB_IF_DEQUEUE(&f->free_q, m);
1021 /* can happen during close */
1022 DPRINTF("out of buffers\n");
1027 *((uint8_t *)(m->cur_data_ptr)) = index;
1029 USB_IF_ENQUEUE(&f->used_q, m);
1031 f->flag_iscomplete = 1;
1037 ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index)
1039 struct usb_device_request *req;
1040 struct usb_xfer *xfer;
1041 struct usb_fs_endpoint fs_ep;
1042 void *uaddr; /* userland pointer */
1044 usb_frlength_t offset;
1051 if (ep_index >= f->fs_ep_max) {
1054 xfer = f->fs_xfer[ep_index];
1058 mtx_lock(f->priv_mtx);
1059 if (usbd_transfer_pending(xfer)) {
1060 mtx_unlock(f->priv_mtx);
1061 return (EBUSY); /* should not happen */
1063 mtx_unlock(f->priv_mtx);
1065 error = copyin(f->fs_ep_ptr +
1066 ep_index, &fs_ep, sizeof(fs_ep));
1070 /* security checks */
1072 if (fs_ep.nFrames > xfer->max_frame_count) {
1073 xfer->error = USB_ERR_INVAL;
1076 if (fs_ep.nFrames == 0) {
1077 xfer->error = USB_ERR_INVAL;
1080 error = copyin(fs_ep.ppBuffer,
1081 &uaddr, sizeof(uaddr));
1085 /* reset first frame */
1086 usbd_xfer_set_frame_offset(xfer, 0, 0);
1088 if (xfer->flags_int.control_xfr) {
1090 req = xfer->frbuffers[0].buffer;
1092 error = copyin(fs_ep.pLength,
1093 &length, sizeof(length));
1097 if (length != sizeof(*req)) {
1098 xfer->error = USB_ERR_INVAL;
1102 error = copyin(uaddr, req, length);
1107 if (ugen_check_request(f->udev, req)) {
1108 xfer->error = USB_ERR_INVAL;
1111 usbd_xfer_set_frame_len(xfer, 0, length);
1113 /* Host mode only ! */
1114 if ((req->bmRequestType &
1115 (UT_READ | UT_WRITE)) == UT_READ) {
1121 offset = sizeof(*req);
1124 /* Device and Host mode */
1125 if (USB_GET_DATA_ISREAD(xfer)) {
1134 rem = usbd_xfer_max_len(xfer);
1135 xfer->nframes = fs_ep.nFrames;
1136 xfer->timeout = fs_ep.timeout;
1137 if (xfer->timeout > 65535) {
1138 xfer->timeout = 65535;
1140 if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK)
1141 xfer->flags.short_xfer_ok = 1;
1143 xfer->flags.short_xfer_ok = 0;
1145 if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK)
1146 xfer->flags.short_frames_ok = 1;
1148 xfer->flags.short_frames_ok = 0;
1150 if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT)
1151 xfer->flags.force_short_xfer = 1;
1153 xfer->flags.force_short_xfer = 0;
1155 if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL)
1156 usbd_xfer_set_stall(xfer);
1158 xfer->flags.stall_pipe = 0;
1160 for (; n != xfer->nframes; n++) {
1162 error = copyin(fs_ep.pLength + n,
1163 &length, sizeof(length));
1167 usbd_xfer_set_frame_len(xfer, n, length);
1170 xfer->error = USB_ERR_INVAL;
1177 /* we need to know the source buffer */
1178 error = copyin(fs_ep.ppBuffer + n,
1179 &uaddr, sizeof(uaddr));
1183 if (xfer->flags_int.isochronous_xfr) {
1184 /* get kernel buffer address */
1185 kaddr = xfer->frbuffers[0].buffer;
1186 kaddr = USB_ADD_BYTES(kaddr, offset);
1188 /* set current frame offset */
1189 usbd_xfer_set_frame_offset(xfer, offset, n);
1191 /* get kernel buffer address */
1192 kaddr = xfer->frbuffers[n].buffer;
1196 error = copyin(uaddr, kaddr, length);
1206 mtx_lock(f->priv_mtx);
1207 ugen_fs_set_complete(f, ep_index);
1208 mtx_unlock(f->priv_mtx);
1213 ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index)
1215 struct usb_device_request *req;
1216 struct usb_xfer *xfer;
1217 struct usb_fs_endpoint fs_ep;
1218 struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */
1219 void *uaddr; /* userland ptr */
1221 usb_frlength_t offset;
1229 if (ep_index >= f->fs_ep_max)
1232 xfer = f->fs_xfer[ep_index];
1236 mtx_lock(f->priv_mtx);
1237 if (usbd_transfer_pending(xfer)) {
1238 mtx_unlock(f->priv_mtx);
1239 return (EBUSY); /* should not happen */
1241 mtx_unlock(f->priv_mtx);
1243 fs_ep_uptr = f->fs_ep_ptr + ep_index;
1244 error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep));
1248 fs_ep.status = xfer->error;
1249 fs_ep.aFrames = xfer->aframes;
1250 fs_ep.isoc_time_complete = xfer->isoc_time_complete;
1254 if (xfer->flags_int.control_xfr) {
1255 req = xfer->frbuffers[0].buffer;
1257 /* Host mode only ! */
1258 if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) {
1263 if (xfer->nframes == 0)
1264 n = 0; /* should never happen */
1268 /* Device and Host mode */
1269 if (USB_GET_DATA_ISREAD(xfer)) {
1277 /* Update lengths and copy out data */
1279 rem = usbd_xfer_max_len(xfer);
1282 for (; n != xfer->nframes; n++) {
1284 /* get initial length into "temp" */
1285 error = copyin(fs_ep.pLength + n,
1286 &temp, sizeof(temp));
1291 /* the userland length has been corrupted */
1292 DPRINTF("corrupt userland length "
1293 "%u > %u\n", temp, rem);
1294 fs_ep.status = USB_ERR_INVAL;
1299 /* get actual transfer length */
1300 length = xfer->frlengths[n];
1301 if (length > temp) {
1303 fs_ep.status = USB_ERR_INVAL;
1304 DPRINTF("data overflow %u > %u\n",
1310 /* we need to know the destination buffer */
1311 error = copyin(fs_ep.ppBuffer + n,
1312 &uaddr, sizeof(uaddr));
1316 if (xfer->flags_int.isochronous_xfr) {
1317 /* only one frame buffer */
1318 kaddr = USB_ADD_BYTES(
1319 xfer->frbuffers[0].buffer, offset);
1321 /* multiple frame buffers */
1322 kaddr = xfer->frbuffers[n].buffer;
1326 error = copyout(kaddr, uaddr, length);
1332 * Update offset according to initial length, which is
1333 * needed by isochronous transfers!
1338 error = copyout(&length,
1339 fs_ep.pLength + n, sizeof(length));
1346 /* update "aFrames" */
1347 error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames,
1348 sizeof(fs_ep.aFrames));
1352 /* update "isoc_time_complete" */
1353 error = copyout(&fs_ep.isoc_time_complete,
1354 &fs_ep_uptr->isoc_time_complete,
1355 sizeof(fs_ep.isoc_time_complete));
1358 /* update "status" */
1359 error = copyout(&fs_ep.status, &fs_ep_uptr->status,
1360 sizeof(fs_ep.status));
1366 ugen_fifo_in_use(struct usb_fifo *f, int fflags)
1368 struct usb_fifo *f_rx;
1369 struct usb_fifo *f_tx;
1371 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX];
1372 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX];
1374 if ((fflags & FREAD) && f_rx &&
1375 (f_rx->xfer[0] || f_rx->xfer[1])) {
1376 return (1); /* RX FIFO in use */
1378 if ((fflags & FWRITE) && f_tx &&
1379 (f_tx->xfer[0] || f_tx->xfer[1])) {
1380 return (1); /* TX FIFO in use */
1382 return (0); /* not in use */
1386 ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
1388 struct usb_config usb_config[1];
1389 struct usb_device_request req;
1391 struct usb_fs_complete *pcomp;
1392 struct usb_fs_start *pstart;
1393 struct usb_fs_stop *pstop;
1394 struct usb_fs_open *popen;
1395 struct usb_fs_close *pclose;
1396 struct usb_fs_clear_stall_sync *pstall;
1399 struct usb_endpoint *ep;
1400 struct usb_endpoint_descriptor *ed;
1402 uint8_t iface_index;
1408 DPRINTFN(6, "cmd=0x%08lx\n", cmd);
1411 case USB_FS_COMPLETE:
1412 mtx_lock(f->priv_mtx);
1413 error = ugen_fs_get_complete(f, &ep_index);
1414 mtx_unlock(f->priv_mtx);
1420 u.pcomp->ep_index = ep_index;
1421 error = ugen_fs_copy_out(f, u.pcomp->ep_index);
1425 error = ugen_fs_copy_in(f, u.pstart->ep_index);
1429 mtx_lock(f->priv_mtx);
1430 usbd_transfer_start(f->fs_xfer[u.pstart->ep_index]);
1431 mtx_unlock(f->priv_mtx);
1435 if (u.pstop->ep_index >= f->fs_ep_max) {
1439 mtx_lock(f->priv_mtx);
1440 usbd_transfer_stop(f->fs_xfer[u.pstop->ep_index]);
1441 mtx_unlock(f->priv_mtx);
1445 if (u.popen->ep_index >= f->fs_ep_max) {
1449 if (f->fs_xfer[u.popen->ep_index] != NULL) {
1453 if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) {
1454 u.popen->max_bufsize = USB_FS_MAX_BUFSIZE;
1456 if (u.popen->max_frames > USB_FS_MAX_FRAMES) {
1457 u.popen->max_frames = USB_FS_MAX_FRAMES;
1460 if (u.popen->max_frames == 0) {
1464 ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no);
1474 iface_index = ep->iface_index;
1476 bzero(usb_config, sizeof(usb_config));
1478 usb_config[0].type = ed->bmAttributes & UE_XFERTYPE;
1479 usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR;
1480 usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN);
1481 usb_config[0].interval = USB_DEFAULT_INTERVAL;
1482 usb_config[0].flags.proxy_buffer = 1;
1483 usb_config[0].callback = &ugen_ctrl_fs_callback;
1484 usb_config[0].timeout = 0; /* no timeout */
1485 usb_config[0].frames = u.popen->max_frames;
1486 usb_config[0].bufsize = u.popen->max_bufsize;
1487 usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */
1489 if (usb_config[0].type == UE_CONTROL) {
1490 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
1496 isread = ((usb_config[0].endpoint &
1497 (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN);
1499 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
1502 /* check permissions */
1504 if (!(fflags & FREAD)) {
1509 if (!(fflags & FWRITE)) {
1515 error = usbd_transfer_setup(f->udev, &iface_index,
1516 f->fs_xfer + u.popen->ep_index, usb_config, 1,
1519 /* update maximums */
1520 u.popen->max_packet_length =
1521 f->fs_xfer[u.popen->ep_index]->max_frame_size;
1522 u.popen->max_bufsize =
1523 f->fs_xfer[u.popen->ep_index]->max_data_length;
1524 f->fs_xfer[u.popen->ep_index]->priv_fifo =
1525 ((uint8_t *)0) + u.popen->ep_index;
1532 if (u.pclose->ep_index >= f->fs_ep_max) {
1536 if (f->fs_xfer[u.pclose->ep_index] == NULL) {
1540 usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1);
1543 case USB_FS_CLEAR_STALL_SYNC:
1544 if (u.pstall->ep_index >= f->fs_ep_max) {
1548 if (f->fs_xfer[u.pstall->ep_index] == NULL) {
1552 if (f->udev->flags.usb_mode != USB_MODE_HOST) {
1556 mtx_lock(f->priv_mtx);
1557 error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]);
1558 mtx_unlock(f->priv_mtx);
1563 ep = f->fs_xfer[u.pstall->ep_index]->endpoint;
1565 /* setup a clear-stall packet */
1566 req.bmRequestType = UT_WRITE_ENDPOINT;
1567 req.bRequest = UR_CLEAR_FEATURE;
1568 USETW(req.wValue, UF_ENDPOINT_HALT);
1569 req.wIndex[0] = ep->edesc->bEndpointAddress;
1571 USETW(req.wLength, 0);
1573 error = usbd_do_request(f->udev, NULL, &req, NULL);
1575 usbd_clear_data_toggle(f->udev, ep);
1586 DPRINTFN(6, "error=%d\n", error);
1592 ugen_set_short_xfer(struct usb_fifo *f, void *addr)
1601 if (f->flag_short == t) {
1602 /* same value like before - accept */
1605 if (f->xfer[0] || f->xfer[1]) {
1606 /* cannot change this during transfer */
1614 ugen_set_timeout(struct usb_fifo *f, void *addr)
1616 f->timeout = *(int *)addr;
1617 if (f->timeout > 65535) {
1618 /* limit user input */
1625 ugen_get_frame_size(struct usb_fifo *f, void *addr)
1628 *(int *)addr = f->xfer[0]->max_frame_size;
1636 ugen_set_buffer_size(struct usb_fifo *f, void *addr)
1640 if (*(int *)addr < 0)
1641 t = 0; /* use "wMaxPacketSize" */
1642 else if (*(int *)addr < (256 * 1024))
1647 if (f->bufsize == t) {
1648 /* same value like before - accept */
1651 if (f->xfer[0] || f->xfer[1]) {
1652 /* cannot change this during transfer */
1660 ugen_get_buffer_size(struct usb_fifo *f, void *addr)
1662 *(int *)addr = f->bufsize;
1667 ugen_get_iface_desc(struct usb_fifo *f,
1668 struct usb_interface_descriptor *idesc)
1670 struct usb_interface *iface;
1672 iface = usbd_get_iface(f->udev, f->iface_index);
1673 if (iface && iface->idesc) {
1674 *idesc = *(iface->idesc);
1682 ugen_get_endpoint_desc(struct usb_fifo *f,
1683 struct usb_endpoint_descriptor *ed)
1685 struct usb_endpoint *ep;
1687 ep = usb_fifo_softc(f);
1689 if (ep && ep->edesc) {
1698 ugen_set_power_mode(struct usb_fifo *f, int mode)
1700 struct usb_device *udev = f->udev;
1704 if ((udev == NULL) ||
1705 (udev->parent_hub == NULL)) {
1708 err = priv_check(curthread, PRIV_DRIVER);
1712 /* get old power mode */
1713 old_mode = udev->power_mode;
1715 /* if no change, then just return */
1716 if (old_mode == mode)
1720 case USB_POWER_MODE_OFF:
1721 /* get the device unconfigured */
1722 err = ugen_set_config(f, USB_UNCONFIG_INDEX);
1724 DPRINTFN(0, "Could not unconfigure "
1725 "device (ignored)\n");
1728 /* clear port enable */
1729 err = usbd_req_clear_port_feature(udev->parent_hub,
1730 NULL, udev->port_no, UHF_PORT_ENABLE);
1733 case USB_POWER_MODE_ON:
1734 case USB_POWER_MODE_SAVE:
1737 case USB_POWER_MODE_RESUME:
1739 /* let USB-powerd handle resume */
1740 USB_BUS_LOCK(udev->bus);
1741 udev->pwr_save.write_refs++;
1742 udev->pwr_save.last_xfer_time = ticks;
1743 USB_BUS_UNLOCK(udev->bus);
1745 /* set new power mode */
1746 usbd_set_power_mode(udev, USB_POWER_MODE_SAVE);
1748 /* wait for resume to complete */
1749 usb_pause_mtx(NULL, hz / 4);
1751 /* clear write reference */
1752 USB_BUS_LOCK(udev->bus);
1753 udev->pwr_save.write_refs--;
1754 USB_BUS_UNLOCK(udev->bus);
1756 mode = USB_POWER_MODE_SAVE;
1759 case USB_POWER_MODE_SUSPEND:
1761 /* let USB-powerd handle suspend */
1762 USB_BUS_LOCK(udev->bus);
1763 udev->pwr_save.last_xfer_time = ticks - (256 * hz);
1764 USB_BUS_UNLOCK(udev->bus);
1766 mode = USB_POWER_MODE_SAVE;
1774 return (ENXIO); /* I/O failure */
1776 /* if we are powered off we need to re-enumerate first */
1777 if (old_mode == USB_POWER_MODE_OFF) {
1778 err = ugen_re_enumerate(f);
1783 /* set new power mode */
1784 usbd_set_power_mode(udev, mode);
1786 return (0); /* success */
1790 ugen_get_power_mode(struct usb_fifo *f)
1792 struct usb_device *udev = f->udev;
1795 return (USB_POWER_MODE_ON);
1797 return (udev->power_mode);
1801 ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no,
1802 uint8_t set, uint16_t feature)
1804 struct usb_device *udev = f->udev;
1805 struct usb_hub *hub;
1808 err = priv_check(curthread, PRIV_DRIVER);
1815 if ((udev == NULL) ||
1816 (udev->hub == NULL)) {
1821 if (port_no > hub->nports) {
1825 err = usbd_req_set_port_feature(udev,
1826 NULL, port_no, feature);
1828 err = usbd_req_clear_port_feature(udev,
1829 NULL, port_no, feature);
1832 return (ENXIO); /* failure */
1834 return (0); /* success */
1838 ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
1840 struct usb_fifo *f_rx;
1841 struct usb_fifo *f_tx;
1844 f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX];
1845 f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX];
1848 case USB_SET_RX_SHORT_XFER:
1849 if (fflags & FREAD) {
1850 error = ugen_set_short_xfer(f_rx, addr);
1856 case USB_SET_TX_FORCE_SHORT:
1857 if (fflags & FWRITE) {
1858 error = ugen_set_short_xfer(f_tx, addr);
1864 case USB_SET_RX_TIMEOUT:
1865 if (fflags & FREAD) {
1866 error = ugen_set_timeout(f_rx, addr);
1872 case USB_SET_TX_TIMEOUT:
1873 if (fflags & FWRITE) {
1874 error = ugen_set_timeout(f_tx, addr);
1880 case USB_GET_RX_FRAME_SIZE:
1881 if (fflags & FREAD) {
1882 error = ugen_get_frame_size(f_rx, addr);
1888 case USB_GET_TX_FRAME_SIZE:
1889 if (fflags & FWRITE) {
1890 error = ugen_get_frame_size(f_tx, addr);
1896 case USB_SET_RX_BUFFER_SIZE:
1897 if (fflags & FREAD) {
1898 error = ugen_set_buffer_size(f_rx, addr);
1904 case USB_SET_TX_BUFFER_SIZE:
1905 if (fflags & FWRITE) {
1906 error = ugen_set_buffer_size(f_tx, addr);
1912 case USB_GET_RX_BUFFER_SIZE:
1913 if (fflags & FREAD) {
1914 error = ugen_get_buffer_size(f_rx, addr);
1920 case USB_GET_TX_BUFFER_SIZE:
1921 if (fflags & FWRITE) {
1922 error = ugen_get_buffer_size(f_tx, addr);
1928 case USB_GET_RX_INTERFACE_DESC:
1929 if (fflags & FREAD) {
1930 error = ugen_get_iface_desc(f_rx, addr);
1936 case USB_GET_TX_INTERFACE_DESC:
1937 if (fflags & FWRITE) {
1938 error = ugen_get_iface_desc(f_tx, addr);
1944 case USB_GET_RX_ENDPOINT_DESC:
1945 if (fflags & FREAD) {
1946 error = ugen_get_endpoint_desc(f_rx, addr);
1952 case USB_GET_TX_ENDPOINT_DESC:
1953 if (fflags & FWRITE) {
1954 error = ugen_get_endpoint_desc(f_tx, addr);
1960 case USB_SET_RX_STALL_FLAG:
1961 if ((fflags & FREAD) && (*(int *)addr)) {
1962 f_rx->flag_stall = 1;
1966 case USB_SET_TX_STALL_FLAG:
1967 if ((fflags & FWRITE) && (*(int *)addr)) {
1968 f_tx->flag_stall = 1;
1980 ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
1983 struct usb_interface_descriptor *idesc;
1984 struct usb_alt_interface *ai;
1985 struct usb_device_descriptor *ddesc;
1986 struct usb_config_descriptor *cdesc;
1987 struct usb_device_stats *stat;
1988 struct usb_fs_init *pinit;
1989 struct usb_fs_uninit *puninit;
1994 struct usb_device_descriptor *dtemp;
1995 struct usb_config_descriptor *ctemp;
1996 struct usb_interface *iface;
2002 DPRINTFN(6, "cmd=0x%08lx\n", cmd);
2006 usb_needs_explore_all();
2010 if (!(fflags & FWRITE)) {
2014 usb_debug = *(int *)addr;
2017 case USB_GET_CONFIG:
2018 *(int *)addr = f->udev->curr_config_index;
2021 case USB_SET_CONFIG:
2022 if (!(fflags & FWRITE)) {
2026 error = ugen_set_config(f, *(int *)addr);
2029 case USB_GET_ALTINTERFACE:
2030 iface = usbd_get_iface(f->udev,
2031 u.ai->uai_interface_index);
2032 if (iface && iface->idesc) {
2033 u.ai->uai_alt_index = iface->alt_index;
2039 case USB_SET_ALTINTERFACE:
2040 if (!(fflags & FWRITE)) {
2044 error = ugen_set_interface(f,
2045 u.ai->uai_interface_index, u.ai->uai_alt_index);
2048 case USB_GET_DEVICE_DESC:
2049 dtemp = usbd_get_device_descriptor(f->udev);
2057 case USB_GET_CONFIG_DESC:
2058 ctemp = usbd_get_config_descriptor(f->udev);
2066 case USB_GET_FULL_DESC:
2067 error = ugen_get_cdesc(f, addr);
2070 case USB_GET_STRING_DESC:
2071 error = ugen_get_sdesc(f, addr);
2074 case USB_GET_IFACE_DRIVER:
2075 error = ugen_get_iface_driver(f, addr);
2079 case USB_DO_REQUEST:
2080 if (!(fflags & FWRITE)) {
2084 error = ugen_do_request(f, addr);
2087 case USB_DEVICEINFO:
2088 case USB_GET_DEVICEINFO:
2089 error = usb_gen_fill_deviceinfo(f, addr);
2092 case USB_DEVICESTATS:
2093 for (n = 0; n != 4; n++) {
2095 u.stat->uds_requests_fail[n] =
2096 f->udev->bus->stats_err.uds_requests[n];
2098 u.stat->uds_requests_ok[n] =
2099 f->udev->bus->stats_ok.uds_requests[n];
2103 case USB_DEVICEENUMERATE:
2104 error = ugen_re_enumerate(f);
2107 case USB_GET_PLUGTIME:
2108 *u.ptime = f->udev->plugtime;
2111 case USB_CLAIM_INTERFACE:
2112 case USB_RELEASE_INTERFACE:
2116 case USB_IFACE_DRIVER_ACTIVE:
2120 iface = usbd_get_iface(f->udev, n);
2122 if (iface && iface->subdev)
2128 case USB_IFACE_DRIVER_DETACH:
2130 error = priv_check(curthread, PRIV_DRIVER);
2137 if (n == USB_IFACE_INDEX_ANY) {
2142 usb_detach_device(f->udev, n, 0);
2145 case USB_SET_POWER_MODE:
2146 error = ugen_set_power_mode(f, *u.pint);
2149 case USB_GET_POWER_MODE:
2150 *u.pint = ugen_get_power_mode(f);
2153 case USB_SET_PORT_ENABLE:
2154 error = ugen_do_port_feature(f,
2155 *u.pint, 1, UHF_PORT_ENABLE);
2158 case USB_SET_PORT_DISABLE:
2159 error = ugen_do_port_feature(f,
2160 *u.pint, 0, UHF_PORT_ENABLE);
2164 /* verify input parameters */
2165 if (u.pinit->pEndpoints == NULL) {
2169 if (u.pinit->ep_index_max > 127) {
2173 if (u.pinit->ep_index_max == 0) {
2177 if (f->fs_xfer != NULL) {
2181 if (f->dev_ep_index != 0) {
2185 if (ugen_fifo_in_use(f, fflags)) {
2189 error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max);
2193 f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) *
2194 u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO);
2195 if (f->fs_xfer == NULL) {
2196 usb_fifo_free_buffer(f);
2200 f->fs_ep_max = u.pinit->ep_index_max;
2201 f->fs_ep_ptr = u.pinit->pEndpoints;
2205 if (u.puninit->dummy != 0) {
2209 error = ugen_fs_uninit(f);
2213 mtx_lock(f->priv_mtx);
2214 error = ugen_iface_ioctl(f, cmd, addr, fflags);
2215 mtx_unlock(f->priv_mtx);
2218 DPRINTFN(6, "error=%d\n", error);
2223 ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error)
2225 ; /* workaround for a bug in "indent" */
2227 DPRINTF("st=%u alen=%u aframes=%u\n",
2228 USB_GET_STATE(xfer), xfer->actlen, xfer->aframes);
2230 switch (USB_GET_STATE(xfer)) {
2232 usbd_transfer_submit(xfer);
2235 ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo));
2239 #endif /* USB_HAVE_UGEN */