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authorAndrew Thompson <thompsa@FreeBSD.org>2009-03-09 17:09:46 +0000
committerAndrew Thompson <thompsa@FreeBSD.org>2009-03-09 17:09:46 +0000
commitdf4b8c2a2df765bac25f5084c13d7b59997cba10 (patch)
tree1a660dc6369df9725d748f63f8b5222d3a420a1c /lib/libusb/libusb20_ugen20.c
parenta091d2a5259cbf29e34745516e64b04e30245894 (diff)
downloadsrc-df4b8c2a2df765bac25f5084c13d7b59997cba10.tar.gz
src-df4b8c2a2df765bac25f5084c13d7b59997cba10.zip
libusb20 is now installed as libusb, remove the version number from the
directory name.
Notes
Notes: svn path=/head/; revision=189587
Diffstat (limited to 'lib/libusb/libusb20_ugen20.c')
-rw-r--r--lib/libusb/libusb20_ugen20.c1011
1 files changed, 1011 insertions, 0 deletions
diff --git a/lib/libusb/libusb20_ugen20.c b/lib/libusb/libusb20_ugen20.c
new file mode 100644
index 000000000000..1d97db66a65d
--- /dev/null
+++ b/lib/libusb/libusb20_ugen20.c
@@ -0,0 +1,1011 @@
+/* $FreeBSD$ */
+/*-
+ * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/queue.h>
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <poll.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include "libusb20.h"
+#include "libusb20_desc.h"
+#include "libusb20_int.h"
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usb_ioctl.h>
+#include <dev/usb/usb_mfunc.h>
+#include <dev/usb/usb_error.h>
+#include <dev/usb/usb_revision.h>
+
+static libusb20_init_backend_t ugen20_init_backend;
+static libusb20_open_device_t ugen20_open_device;
+static libusb20_close_device_t ugen20_close_device;
+static libusb20_get_backend_name_t ugen20_get_backend_name;
+static libusb20_exit_backend_t ugen20_exit_backend;
+static libusb20_dev_get_iface_desc_t ugen20_dev_get_iface_desc;
+static libusb20_dev_get_info_t ugen20_dev_get_info;
+static libusb20_root_get_dev_quirk_t ugen20_root_get_dev_quirk;
+static libusb20_root_get_quirk_name_t ugen20_root_get_quirk_name;
+static libusb20_root_add_dev_quirk_t ugen20_root_add_dev_quirk;
+static libusb20_root_remove_dev_quirk_t ugen20_root_remove_dev_quirk;
+static libusb20_root_set_template_t ugen20_root_set_template;
+static libusb20_root_get_template_t ugen20_root_get_template;
+
+const struct libusb20_backend_methods libusb20_ugen20_backend = {
+ LIBUSB20_BACKEND(LIBUSB20_DECLARE, ugen20)
+};
+
+/* USB device specific */
+static libusb20_get_config_desc_full_t ugen20_get_config_desc_full;
+static libusb20_get_config_index_t ugen20_get_config_index;
+static libusb20_set_config_index_t ugen20_set_config_index;
+static libusb20_claim_interface_t ugen20_claim_interface;
+static libusb20_release_interface_t ugen20_release_interface;
+static libusb20_set_alt_index_t ugen20_set_alt_index;
+static libusb20_reset_device_t ugen20_reset_device;
+static libusb20_set_power_mode_t ugen20_set_power_mode;
+static libusb20_get_power_mode_t ugen20_get_power_mode;
+static libusb20_kernel_driver_active_t ugen20_kernel_driver_active;
+static libusb20_detach_kernel_driver_t ugen20_detach_kernel_driver;
+static libusb20_do_request_sync_t ugen20_do_request_sync;
+static libusb20_process_t ugen20_process;
+
+/* USB transfer specific */
+static libusb20_tr_open_t ugen20_tr_open;
+static libusb20_tr_close_t ugen20_tr_close;
+static libusb20_tr_clear_stall_sync_t ugen20_tr_clear_stall_sync;
+static libusb20_tr_submit_t ugen20_tr_submit;
+static libusb20_tr_cancel_async_t ugen20_tr_cancel_async;
+
+static const struct libusb20_device_methods libusb20_ugen20_device_methods = {
+ LIBUSB20_DEVICE(LIBUSB20_DECLARE, ugen20)
+};
+
+static const char *
+ugen20_get_backend_name(void)
+{
+ return ("FreeBSD UGEN 2.0");
+}
+
+static uint32_t
+ugen20_path_convert_one(const char **pp)
+{
+ const char *ptr;
+ uint32_t temp = 0;
+
+ ptr = *pp;
+
+ while ((*ptr >= '0') && (*ptr <= '9')) {
+ temp *= 10;
+ temp += (*ptr - '0');
+ if (temp >= 1000000) {
+ /* catch overflow early */
+ return (0 - 1);
+ }
+ ptr++;
+ }
+
+ if (*ptr == '.') {
+ /* skip dot */
+ ptr++;
+ }
+ *pp = ptr;
+
+ return (temp);
+}
+
+static int
+ugen20_enumerate(struct libusb20_device *pdev, const char *id)
+{
+ const char *tmp = id;
+ struct usb2_device_descriptor ddesc;
+ struct usb2_device_info devinfo;
+ uint32_t plugtime;
+ char buf[64];
+ int f;
+ int error;
+
+ pdev->bus_number = ugen20_path_convert_one(&tmp);
+ pdev->device_address = ugen20_path_convert_one(&tmp);
+
+ snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
+ pdev->bus_number, pdev->device_address);
+
+ f = open(buf, O_RDWR);
+ if (f < 0) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ }
+ /* store when the device was plugged */
+ pdev->session_data.plugtime = plugtime;
+
+ if (ioctl(f, USB_GET_DEVICE_DESC, &ddesc)) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ }
+ LIBUSB20_INIT(LIBUSB20_DEVICE_DESC, &(pdev->ddesc));
+
+ libusb20_me_decode(&ddesc, sizeof(ddesc), &(pdev->ddesc));
+
+ if (pdev->ddesc.bNumConfigurations == 0) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ } else if (pdev->ddesc.bNumConfigurations >= 8) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ }
+ if (ioctl(f, USB_GET_DEVICEINFO, &devinfo)) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ }
+ switch (devinfo.udi_mode) {
+ case USB_MODE_DEVICE:
+ pdev->usb_mode = LIBUSB20_MODE_DEVICE;
+ break;
+ default:
+ pdev->usb_mode = LIBUSB20_MODE_HOST;
+ break;
+ }
+
+ switch (devinfo.udi_speed) {
+ case USB_SPEED_LOW:
+ pdev->usb_speed = LIBUSB20_SPEED_LOW;
+ break;
+ case USB_SPEED_FULL:
+ pdev->usb_speed = LIBUSB20_SPEED_FULL;
+ break;
+ case USB_SPEED_HIGH:
+ pdev->usb_speed = LIBUSB20_SPEED_HIGH;
+ break;
+ case USB_SPEED_VARIABLE:
+ pdev->usb_speed = LIBUSB20_SPEED_VARIABLE;
+ break;
+ case USB_SPEED_SUPER:
+ pdev->usb_speed = LIBUSB20_SPEED_SUPER;
+ break;
+ default:
+ pdev->usb_speed = LIBUSB20_SPEED_UNKNOWN;
+ break;
+ }
+
+ /* generate a nice description for printout */
+
+ snprintf(pdev->usb_desc, sizeof(pdev->usb_desc),
+ USB_GENERIC_NAME "%u.%u: <%s %s> at usbus%u", pdev->bus_number,
+ pdev->device_address, devinfo.udi_product,
+ devinfo.udi_vendor, pdev->bus_number);
+
+ error = 0;
+done:
+ close(f);
+ return (error);
+}
+
+struct ugen20_urd_state {
+ struct usb2_read_dir urd;
+ uint32_t nparsed;
+ int f;
+ uint8_t *ptr;
+ const char *src;
+ const char *dst;
+ uint8_t buf[256];
+ uint8_t dummy_zero[1];
+};
+
+static int
+ugen20_readdir(struct ugen20_urd_state *st)
+{
+ ; /* style fix */
+repeat:
+ if (st->ptr == NULL) {
+ st->urd.urd_startentry += st->nparsed;
+ st->urd.urd_data = st->buf;
+ st->urd.urd_maxlen = sizeof(st->buf);
+ st->nparsed = 0;
+
+ if (ioctl(st->f, USB_READ_DIR, &st->urd)) {
+ return (EINVAL);
+ }
+ st->ptr = st->buf;
+ }
+ if (st->ptr[0] == 0) {
+ if (st->nparsed) {
+ st->ptr = NULL;
+ goto repeat;
+ } else {
+ return (ENXIO);
+ }
+ }
+ st->src = (void *)(st->ptr + 1);
+ st->dst = st->src + strlen(st->src) + 1;
+ st->ptr = st->ptr + st->ptr[0];
+ st->nparsed++;
+
+ if ((st->ptr < st->buf) ||
+ (st->ptr > st->dummy_zero)) {
+ /* invalid entry */
+ return (EINVAL);
+ }
+ return (0);
+}
+
+static int
+ugen20_init_backend(struct libusb20_backend *pbe)
+{
+ struct ugen20_urd_state state;
+ struct libusb20_device *pdev;
+
+ memset(&state, 0, sizeof(state));
+
+ state.f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
+ if (state.f < 0)
+ return (LIBUSB20_ERROR_OTHER);
+
+ while (ugen20_readdir(&state) == 0) {
+
+ if ((state.src[0] != 'u') ||
+ (state.src[1] != 'g') ||
+ (state.src[2] != 'e') ||
+ (state.src[3] != 'n')) {
+ continue;
+ }
+ pdev = libusb20_dev_alloc();
+ if (pdev == NULL) {
+ continue;
+ }
+ if (ugen20_enumerate(pdev, state.src + 4)) {
+ libusb20_dev_free(pdev);
+ continue;
+ }
+ /* put the device on the backend list */
+ libusb20_be_enqueue_device(pbe, pdev);
+ }
+ close(state.f);
+ return (0); /* success */
+}
+
+static void
+ugen20_tr_release(struct libusb20_device *pdev)
+{
+ struct usb2_fs_uninit fs_uninit;
+
+ if (pdev->nTransfer == 0) {
+ return;
+ }
+ /* release all pending USB transfers */
+ if (pdev->privBeData != NULL) {
+ memset(&fs_uninit, 0, sizeof(fs_uninit));
+ if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
+ /* ignore any errors of this kind */
+ }
+ }
+ return;
+}
+
+static int
+ugen20_tr_renew(struct libusb20_device *pdev)
+{
+ struct usb2_fs_init fs_init;
+ struct usb2_fs_endpoint *pfse;
+ int error;
+ uint32_t size;
+ uint16_t nMaxTransfer;
+
+ nMaxTransfer = pdev->nTransfer;
+ error = 0;
+
+ if (nMaxTransfer == 0) {
+ goto done;
+ }
+ size = nMaxTransfer * sizeof(*pfse);
+
+ if (pdev->privBeData == NULL) {
+ pfse = malloc(size);
+ if (pfse == NULL) {
+ error = LIBUSB20_ERROR_NO_MEM;
+ goto done;
+ }
+ pdev->privBeData = pfse;
+ }
+ /* reset endpoint data */
+ memset(pdev->privBeData, 0, size);
+
+ memset(&fs_init, 0, sizeof(fs_init));
+
+ fs_init.pEndpoints = pdev->privBeData;
+ fs_init.ep_index_max = nMaxTransfer;
+
+ if (ioctl(pdev->file, USB_FS_INIT, &fs_init)) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ }
+done:
+ return (error);
+}
+
+static int
+ugen20_open_device(struct libusb20_device *pdev, uint16_t nMaxTransfer)
+{
+ uint32_t plugtime;
+ char buf[64];
+ int f;
+ int g;
+ int error;
+
+ snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
+ pdev->bus_number, pdev->device_address);
+
+ /*
+ * We need two file handles, one for the control endpoint and one
+ * for BULK, INTERRUPT and ISOCHRONOUS transactions due to optimised
+ * kernel locking.
+ */
+ g = open(buf, O_RDWR);
+ if (g < 0) {
+ return (LIBUSB20_ERROR_NO_DEVICE);
+ }
+ f = open(buf, O_RDWR);
+ if (f < 0) {
+ close(g);
+ return (LIBUSB20_ERROR_NO_DEVICE);
+ }
+ if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
+ error = LIBUSB20_ERROR_OTHER;
+ goto done;
+ }
+ /* check that the correct device is still plugged */
+ if (pdev->session_data.plugtime != plugtime) {
+ error = LIBUSB20_ERROR_NO_DEVICE;
+ goto done;
+ }
+ /* need to set this before "tr_renew()" */
+ pdev->file = f;
+ pdev->file_ctrl = g;
+
+ /* renew all USB transfers */
+ error = ugen20_tr_renew(pdev);
+ if (error) {
+ goto done;
+ }
+ /* set methods */
+ pdev->methods = &libusb20_ugen20_device_methods;
+
+done:
+ if (error) {
+ if (pdev->privBeData) {
+ /* cleanup after "tr_renew()" */
+ free(pdev->privBeData);
+ pdev->privBeData = NULL;
+ }
+ pdev->file = -1;
+ pdev->file_ctrl = -1;
+ close(f);
+ close(g);
+ }
+ return (error);
+}
+
+static int
+ugen20_close_device(struct libusb20_device *pdev)
+{
+ struct usb2_fs_uninit fs_uninit;
+
+ if (pdev->privBeData) {
+ memset(&fs_uninit, 0, sizeof(fs_uninit));
+ if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
+ /* ignore this error */
+ }
+ free(pdev->privBeData);
+ }
+ pdev->nTransfer = 0;
+ pdev->privBeData = NULL;
+ close(pdev->file);
+ close(pdev->file_ctrl);
+ pdev->file = -1;
+ pdev->file_ctrl = -1;
+ return (0); /* success */
+}
+
+static void
+ugen20_exit_backend(struct libusb20_backend *pbe)
+{
+ return; /* nothing to do */
+}
+
+static int
+ugen20_get_config_desc_full(struct libusb20_device *pdev,
+ uint8_t **ppbuf, uint16_t *plen, uint8_t cfg_index)
+{
+ struct usb2_gen_descriptor gen_desc;
+ struct usb2_config_descriptor cdesc;
+ uint8_t *ptr;
+ uint16_t len;
+ int error;
+
+ memset(&gen_desc, 0, sizeof(gen_desc));
+
+ gen_desc.ugd_data = &cdesc;
+ gen_desc.ugd_maxlen = sizeof(cdesc);
+ gen_desc.ugd_config_index = cfg_index;
+
+ error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
+ if (error) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ len = UGETW(cdesc.wTotalLength);
+ if (len < sizeof(cdesc)) {
+ /* corrupt descriptor */
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ ptr = malloc(len);
+ if (!ptr) {
+ return (LIBUSB20_ERROR_NO_MEM);
+ }
+ gen_desc.ugd_data = ptr;
+ gen_desc.ugd_maxlen = len;
+
+ error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
+ if (error) {
+ free(ptr);
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ /* make sure that the device doesn't fool us */
+ memcpy(ptr, &cdesc, sizeof(cdesc));
+
+ *ppbuf = ptr;
+ *plen = len;
+
+ return (0); /* success */
+}
+
+static int
+ugen20_get_config_index(struct libusb20_device *pdev, uint8_t *pindex)
+{
+ int temp;
+
+ if (ioctl(pdev->file_ctrl, USB_GET_CONFIG, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ *pindex = temp;
+
+ return (0);
+}
+
+static int
+ugen20_set_config_index(struct libusb20_device *pdev, uint8_t cfg_index)
+{
+ int temp = cfg_index;
+
+ /* release all active USB transfers */
+ ugen20_tr_release(pdev);
+
+ if (ioctl(pdev->file_ctrl, USB_SET_CONFIG, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (ugen20_tr_renew(pdev));
+}
+
+static int
+ugen20_claim_interface(struct libusb20_device *pdev, uint8_t iface_index)
+{
+ int temp = iface_index;
+
+ if (ioctl(pdev->file_ctrl, USB_CLAIM_INTERFACE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (0);
+}
+
+static int
+ugen20_release_interface(struct libusb20_device *pdev, uint8_t iface_index)
+{
+ int temp = iface_index;
+
+ if (ioctl(pdev->file_ctrl, USB_RELEASE_INTERFACE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (0);
+}
+
+static int
+ugen20_set_alt_index(struct libusb20_device *pdev,
+ uint8_t iface_index, uint8_t alt_index)
+{
+ struct usb2_alt_interface alt_iface;
+
+ memset(&alt_iface, 0, sizeof(alt_iface));
+
+ alt_iface.uai_interface_index = iface_index;
+ alt_iface.uai_alt_index = alt_index;
+
+ /* release all active USB transfers */
+ ugen20_tr_release(pdev);
+
+ if (ioctl(pdev->file_ctrl, USB_SET_ALTINTERFACE, &alt_iface)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (ugen20_tr_renew(pdev));
+}
+
+static int
+ugen20_reset_device(struct libusb20_device *pdev)
+{
+ int temp = 0;
+
+ /* release all active USB transfers */
+ ugen20_tr_release(pdev);
+
+ if (ioctl(pdev->file_ctrl, USB_DEVICEENUMERATE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (ugen20_tr_renew(pdev));
+}
+
+static int
+ugen20_set_power_mode(struct libusb20_device *pdev, uint8_t power_mode)
+{
+ int temp;
+
+ switch (power_mode) {
+ case LIBUSB20_POWER_OFF:
+ temp = USB_POWER_MODE_OFF;
+ break;
+ case LIBUSB20_POWER_ON:
+ temp = USB_POWER_MODE_ON;
+ break;
+ case LIBUSB20_POWER_SAVE:
+ temp = USB_POWER_MODE_SAVE;
+ break;
+ case LIBUSB20_POWER_SUSPEND:
+ temp = USB_POWER_MODE_SUSPEND;
+ break;
+ case LIBUSB20_POWER_RESUME:
+ temp = USB_POWER_MODE_RESUME;
+ break;
+ default:
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ }
+ if (ioctl(pdev->file_ctrl, USB_SET_POWER_MODE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (0);
+}
+
+static int
+ugen20_get_power_mode(struct libusb20_device *pdev, uint8_t *power_mode)
+{
+ int temp;
+
+ if (ioctl(pdev->file_ctrl, USB_GET_POWER_MODE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ switch (temp) {
+ case USB_POWER_MODE_OFF:
+ temp = LIBUSB20_POWER_OFF;
+ break;
+ case USB_POWER_MODE_ON:
+ temp = LIBUSB20_POWER_ON;
+ break;
+ case USB_POWER_MODE_SAVE:
+ temp = LIBUSB20_POWER_SAVE;
+ break;
+ case USB_POWER_MODE_SUSPEND:
+ temp = LIBUSB20_POWER_SUSPEND;
+ break;
+ case USB_POWER_MODE_RESUME:
+ temp = LIBUSB20_POWER_RESUME;
+ break;
+ default:
+ temp = LIBUSB20_POWER_ON;
+ break;
+ }
+ *power_mode = temp;
+ return (0); /* success */
+}
+
+static int
+ugen20_kernel_driver_active(struct libusb20_device *pdev,
+ uint8_t iface_index)
+{
+ int temp = iface_index;
+
+ if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_ACTIVE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (0); /* kernel driver is active */
+}
+
+static int
+ugen20_detach_kernel_driver(struct libusb20_device *pdev,
+ uint8_t iface_index)
+{
+ int temp = iface_index;
+
+ if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_DETACH, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ return (0); /* kernel driver is active */
+}
+
+static int
+ugen20_do_request_sync(struct libusb20_device *pdev,
+ struct LIBUSB20_CONTROL_SETUP_DECODED *setup,
+ void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags)
+{
+ struct usb2_ctl_request req;
+
+ memset(&req, 0, sizeof(req));
+
+ req.ucr_data = data;
+ if (!(flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
+ req.ucr_flags |= USB_SHORT_XFER_OK;
+ }
+ if (libusb20_me_encode(&req.ucr_request,
+ sizeof(req.ucr_request), setup)) {
+ /* ignore */
+ }
+ if (ioctl(pdev->file_ctrl, USB_DO_REQUEST, &req)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ if (pactlen) {
+ /* get actual length */
+ *pactlen = req.ucr_actlen;
+ }
+ return (0); /* kernel driver is active */
+}
+
+static int
+ugen20_process(struct libusb20_device *pdev)
+{
+ struct usb2_fs_complete temp;
+ struct usb2_fs_endpoint *fsep;
+ struct libusb20_transfer *xfer;
+
+ while (1) {
+
+ if (ioctl(pdev->file, USB_FS_COMPLETE, &temp)) {
+ if (errno == EBUSY) {
+ break;
+ } else {
+ /* device detached */
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ }
+ fsep = pdev->privBeData;
+ xfer = pdev->pTransfer;
+ fsep += temp.ep_index;
+ xfer += temp.ep_index;
+
+ /* update transfer status */
+
+ if (fsep->status == 0) {
+ xfer->aFrames = fsep->aFrames;
+ xfer->timeComplete = fsep->isoc_time_complete;
+ xfer->status = LIBUSB20_TRANSFER_COMPLETED;
+ } else if (fsep->status == USB_ERR_CANCELLED) {
+ xfer->aFrames = 0;
+ xfer->timeComplete = 0;
+ xfer->status = LIBUSB20_TRANSFER_CANCELLED;
+ } else if (fsep->status == USB_ERR_STALLED) {
+ xfer->aFrames = 0;
+ xfer->timeComplete = 0;
+ xfer->status = LIBUSB20_TRANSFER_STALL;
+ } else if (fsep->status == USB_ERR_TIMEOUT) {
+ xfer->aFrames = 0;
+ xfer->timeComplete = 0;
+ xfer->status = LIBUSB20_TRANSFER_TIMED_OUT;
+ } else {
+ xfer->aFrames = 0;
+ xfer->timeComplete = 0;
+ xfer->status = LIBUSB20_TRANSFER_ERROR;
+ }
+ libusb20_tr_callback_wrapper(xfer);
+ }
+ return (0); /* done */
+}
+
+static int
+ugen20_tr_open(struct libusb20_transfer *xfer, uint32_t MaxBufSize,
+ uint32_t MaxFrameCount, uint8_t ep_no)
+{
+ struct usb2_fs_open temp;
+ struct usb2_fs_endpoint *fsep;
+
+ memset(&temp, 0, sizeof(temp));
+
+ fsep = xfer->pdev->privBeData;
+ fsep += xfer->trIndex;
+
+ temp.max_bufsize = MaxBufSize;
+ temp.max_frames = MaxFrameCount;
+ temp.ep_index = xfer->trIndex;
+ temp.ep_no = ep_no;
+
+ if (ioctl(xfer->pdev->file, USB_FS_OPEN, &temp)) {
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ }
+ /* maximums might have changed - update */
+ xfer->maxFrames = temp.max_frames;
+
+ /* "max_bufsize" should be multiple of "max_packet_length" */
+ xfer->maxTotalLength = temp.max_bufsize;
+ xfer->maxPacketLen = temp.max_packet_length;
+
+ /* setup buffer and length lists */
+ fsep->ppBuffer = xfer->ppBuffer;/* zero copy */
+ fsep->pLength = xfer->pLength; /* zero copy */
+
+ return (0); /* success */
+}
+
+static int
+ugen20_tr_close(struct libusb20_transfer *xfer)
+{
+ struct usb2_fs_close temp;
+
+ memset(&temp, 0, sizeof(temp));
+
+ temp.ep_index = xfer->trIndex;
+
+ if (ioctl(xfer->pdev->file, USB_FS_CLOSE, &temp)) {
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ }
+ return (0); /* success */
+}
+
+static int
+ugen20_tr_clear_stall_sync(struct libusb20_transfer *xfer)
+{
+ struct usb2_fs_clear_stall_sync temp;
+
+ memset(&temp, 0, sizeof(temp));
+
+ /* if the transfer is active, an error will be returned */
+
+ temp.ep_index = xfer->trIndex;
+
+ if (ioctl(xfer->pdev->file, USB_FS_CLEAR_STALL_SYNC, &temp)) {
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ }
+ return (0); /* success */
+}
+
+static void
+ugen20_tr_submit(struct libusb20_transfer *xfer)
+{
+ struct usb2_fs_start temp;
+ struct usb2_fs_endpoint *fsep;
+
+ memset(&temp, 0, sizeof(temp));
+
+ fsep = xfer->pdev->privBeData;
+ fsep += xfer->trIndex;
+
+ fsep->nFrames = xfer->nFrames;
+ fsep->flags = 0;
+ if (!(xfer->flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
+ fsep->flags |= USB_FS_FLAG_SINGLE_SHORT_OK;
+ }
+ if (!(xfer->flags & LIBUSB20_TRANSFER_MULTI_SHORT_NOT_OK)) {
+ fsep->flags |= USB_FS_FLAG_MULTI_SHORT_OK;
+ }
+ if (xfer->flags & LIBUSB20_TRANSFER_FORCE_SHORT) {
+ fsep->flags |= USB_FS_FLAG_FORCE_SHORT;
+ }
+ if (xfer->flags & LIBUSB20_TRANSFER_DO_CLEAR_STALL) {
+ fsep->flags |= USB_FS_FLAG_CLEAR_STALL;
+ }
+ fsep->timeout = xfer->timeout;
+
+ temp.ep_index = xfer->trIndex;
+
+ if (ioctl(xfer->pdev->file, USB_FS_START, &temp)) {
+ /* ignore any errors - should never happen */
+ }
+ return; /* success */
+}
+
+static void
+ugen20_tr_cancel_async(struct libusb20_transfer *xfer)
+{
+ struct usb2_fs_stop temp;
+
+ memset(&temp, 0, sizeof(temp));
+
+ temp.ep_index = xfer->trIndex;
+
+ if (ioctl(xfer->pdev->file, USB_FS_STOP, &temp)) {
+ /* ignore any errors - should never happen */
+ }
+ return;
+}
+
+static int
+ugen20_be_ioctl(uint32_t cmd, void *data)
+{
+ int f;
+ int error;
+
+ f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
+ if (f < 0)
+ return (LIBUSB20_ERROR_OTHER);
+ error = ioctl(f, cmd, data);
+ if (error == -1) {
+ if (errno == EPERM) {
+ error = LIBUSB20_ERROR_ACCESS;
+ } else {
+ error = LIBUSB20_ERROR_OTHER;
+ }
+ }
+ close(f);
+ return (error);
+}
+
+static int
+ugen20_dev_get_iface_desc(struct libusb20_device *pdev,
+ uint8_t iface_index, char *buf, uint8_t len)
+{
+ struct usb2_gen_descriptor ugd;
+
+ memset(&ugd, 0, sizeof(ugd));
+
+ ugd.ugd_data = buf;
+ ugd.ugd_maxlen = len;
+ ugd.ugd_iface_index = iface_index;
+
+ if (ioctl(pdev->file, USB_GET_IFACE_DRIVER, &ugd)) {
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ }
+ return (0);
+}
+
+static int
+ugen20_dev_get_info(struct libusb20_device *pdev,
+ struct usb2_device_info *pinfo)
+{
+ if (ioctl(pdev->file, USB_GET_DEVICEINFO, pinfo)) {
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ }
+ return (0);
+}
+
+static int
+ugen20_root_get_dev_quirk(struct libusb20_backend *pbe,
+ uint16_t quirk_index, struct libusb20_quirk *pq)
+{
+ struct usb2_gen_quirk q;
+ int error;
+
+ memset(&q, 0, sizeof(q));
+
+ q.index = quirk_index;
+
+ error = ugen20_be_ioctl(USB_DEV_QUIRK_GET, &q);
+
+ if (error) {
+ if (errno == EINVAL) {
+ return (LIBUSB20_ERROR_NOT_FOUND);
+ }
+ } else {
+ pq->vid = q.vid;
+ pq->pid = q.pid;
+ pq->bcdDeviceLow = q.bcdDeviceLow;
+ pq->bcdDeviceHigh = q.bcdDeviceHigh;
+ strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
+ }
+ return (error);
+}
+
+static int
+ugen20_root_get_quirk_name(struct libusb20_backend *pbe, uint16_t quirk_index,
+ struct libusb20_quirk *pq)
+{
+ struct usb2_gen_quirk q;
+ int error;
+
+ memset(&q, 0, sizeof(q));
+
+ q.index = quirk_index;
+
+ error = ugen20_be_ioctl(USB_QUIRK_NAME_GET, &q);
+
+ if (error) {
+ if (errno == EINVAL) {
+ return (LIBUSB20_ERROR_NOT_FOUND);
+ }
+ } else {
+ strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
+ }
+ return (error);
+}
+
+static int
+ugen20_root_add_dev_quirk(struct libusb20_backend *pbe,
+ struct libusb20_quirk *pq)
+{
+ struct usb2_gen_quirk q;
+ int error;
+
+ memset(&q, 0, sizeof(q));
+
+ q.vid = pq->vid;
+ q.pid = pq->pid;
+ q.bcdDeviceLow = pq->bcdDeviceLow;
+ q.bcdDeviceHigh = pq->bcdDeviceHigh;
+ strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
+
+ error = ugen20_be_ioctl(USB_DEV_QUIRK_ADD, &q);
+ if (error) {
+ if (errno == ENOMEM) {
+ return (LIBUSB20_ERROR_NO_MEM);
+ }
+ }
+ return (error);
+}
+
+static int
+ugen20_root_remove_dev_quirk(struct libusb20_backend *pbe,
+ struct libusb20_quirk *pq)
+{
+ struct usb2_gen_quirk q;
+ int error;
+
+ memset(&q, 0, sizeof(q));
+
+ q.vid = pq->vid;
+ q.pid = pq->pid;
+ q.bcdDeviceLow = pq->bcdDeviceLow;
+ q.bcdDeviceHigh = pq->bcdDeviceHigh;
+ strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
+
+ error = ugen20_be_ioctl(USB_DEV_QUIRK_REMOVE, &q);
+ if (error) {
+ if (errno == EINVAL) {
+ return (LIBUSB20_ERROR_NOT_FOUND);
+ }
+ }
+ return (error);
+}
+
+static int
+ugen20_root_set_template(struct libusb20_backend *pbe, int temp)
+{
+ return (ugen20_be_ioctl(USB_SET_TEMPLATE, &temp));
+}
+
+static int
+ugen20_root_get_template(struct libusb20_backend *pbe, int *ptemp)
+{
+ return (ugen20_be_ioctl(USB_GET_TEMPLATE, ptemp));
+}