f6b78c32dc
MFC after: 14 days Approved by: thompsa (mentor)
1018 lines
23 KiB
C
1018 lines
23 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "libusb20.h"
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#include "libusb20_desc.h"
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#include "libusb20_int.h"
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_ioctl.h>
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static libusb20_init_backend_t ugen20_init_backend;
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static libusb20_open_device_t ugen20_open_device;
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static libusb20_close_device_t ugen20_close_device;
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static libusb20_get_backend_name_t ugen20_get_backend_name;
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static libusb20_exit_backend_t ugen20_exit_backend;
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static libusb20_dev_get_iface_desc_t ugen20_dev_get_iface_desc;
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static libusb20_dev_get_info_t ugen20_dev_get_info;
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static libusb20_root_get_dev_quirk_t ugen20_root_get_dev_quirk;
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static libusb20_root_get_quirk_name_t ugen20_root_get_quirk_name;
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static libusb20_root_add_dev_quirk_t ugen20_root_add_dev_quirk;
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static libusb20_root_remove_dev_quirk_t ugen20_root_remove_dev_quirk;
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static libusb20_root_set_template_t ugen20_root_set_template;
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static libusb20_root_get_template_t ugen20_root_get_template;
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const struct libusb20_backend_methods libusb20_ugen20_backend = {
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LIBUSB20_BACKEND(LIBUSB20_DECLARE, ugen20)
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};
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/* USB device specific */
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static libusb20_get_config_desc_full_t ugen20_get_config_desc_full;
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static libusb20_get_config_index_t ugen20_get_config_index;
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static libusb20_set_config_index_t ugen20_set_config_index;
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static libusb20_set_alt_index_t ugen20_set_alt_index;
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static libusb20_reset_device_t ugen20_reset_device;
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static libusb20_check_connected_t ugen20_check_connected;
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static libusb20_set_power_mode_t ugen20_set_power_mode;
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static libusb20_get_power_mode_t ugen20_get_power_mode;
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static libusb20_kernel_driver_active_t ugen20_kernel_driver_active;
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static libusb20_detach_kernel_driver_t ugen20_detach_kernel_driver;
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static libusb20_do_request_sync_t ugen20_do_request_sync;
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static libusb20_process_t ugen20_process;
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/* USB transfer specific */
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static libusb20_tr_open_t ugen20_tr_open;
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static libusb20_tr_close_t ugen20_tr_close;
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static libusb20_tr_clear_stall_sync_t ugen20_tr_clear_stall_sync;
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static libusb20_tr_submit_t ugen20_tr_submit;
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static libusb20_tr_cancel_async_t ugen20_tr_cancel_async;
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static const struct libusb20_device_methods libusb20_ugen20_device_methods = {
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LIBUSB20_DEVICE(LIBUSB20_DECLARE, ugen20)
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};
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static const char *
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ugen20_get_backend_name(void)
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{
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return ("FreeBSD UGEN 2.0");
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}
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static uint32_t
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ugen20_path_convert_one(const char **pp)
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{
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const char *ptr;
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uint32_t temp = 0;
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ptr = *pp;
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while ((*ptr >= '0') && (*ptr <= '9')) {
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temp *= 10;
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temp += (*ptr - '0');
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if (temp >= 1000000) {
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/* catch overflow early */
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return (0 - 1);
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}
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ptr++;
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}
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if (*ptr == '.') {
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/* skip dot */
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ptr++;
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}
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*pp = ptr;
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return (temp);
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}
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static int
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ugen20_enumerate(struct libusb20_device *pdev, const char *id)
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{
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const char *tmp = id;
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struct usb_device_descriptor ddesc;
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struct usb_device_info devinfo;
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uint32_t plugtime;
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char buf[64];
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int f;
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int error;
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pdev->bus_number = ugen20_path_convert_one(&tmp);
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pdev->device_address = ugen20_path_convert_one(&tmp);
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snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
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pdev->bus_number, pdev->device_address);
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f = open(buf, O_RDWR);
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if (f < 0) {
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return (LIBUSB20_ERROR_OTHER);
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}
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if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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}
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/* store when the device was plugged */
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pdev->session_data.plugtime = plugtime;
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if (ioctl(f, USB_GET_DEVICE_DESC, &ddesc)) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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}
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LIBUSB20_INIT(LIBUSB20_DEVICE_DESC, &(pdev->ddesc));
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libusb20_me_decode(&ddesc, sizeof(ddesc), &(pdev->ddesc));
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if (pdev->ddesc.bNumConfigurations == 0) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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} else if (pdev->ddesc.bNumConfigurations >= 8) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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}
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if (ioctl(f, USB_GET_DEVICEINFO, &devinfo)) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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}
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switch (devinfo.udi_mode) {
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case USB_MODE_DEVICE:
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pdev->usb_mode = LIBUSB20_MODE_DEVICE;
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break;
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default:
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pdev->usb_mode = LIBUSB20_MODE_HOST;
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break;
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}
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switch (devinfo.udi_speed) {
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case USB_SPEED_LOW:
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pdev->usb_speed = LIBUSB20_SPEED_LOW;
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break;
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case USB_SPEED_FULL:
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pdev->usb_speed = LIBUSB20_SPEED_FULL;
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break;
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case USB_SPEED_HIGH:
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pdev->usb_speed = LIBUSB20_SPEED_HIGH;
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break;
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case USB_SPEED_VARIABLE:
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pdev->usb_speed = LIBUSB20_SPEED_VARIABLE;
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break;
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case USB_SPEED_SUPER:
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pdev->usb_speed = LIBUSB20_SPEED_SUPER;
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break;
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default:
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pdev->usb_speed = LIBUSB20_SPEED_UNKNOWN;
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break;
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}
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/* generate a nice description for printout */
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snprintf(pdev->usb_desc, sizeof(pdev->usb_desc),
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USB_GENERIC_NAME "%u.%u: <%s %s> at usbus%u", pdev->bus_number,
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pdev->device_address, devinfo.udi_product,
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devinfo.udi_vendor, pdev->bus_number);
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error = 0;
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done:
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close(f);
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return (error);
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}
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struct ugen20_urd_state {
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struct usb_read_dir urd;
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uint32_t nparsed;
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int f;
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uint8_t *ptr;
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const char *src;
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const char *dst;
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uint8_t buf[256];
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uint8_t dummy_zero[1];
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};
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static int
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ugen20_readdir(struct ugen20_urd_state *st)
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{
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; /* style fix */
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repeat:
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if (st->ptr == NULL) {
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st->urd.urd_startentry += st->nparsed;
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st->urd.urd_data = libusb20_pass_ptr(st->buf);
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st->urd.urd_maxlen = sizeof(st->buf);
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st->nparsed = 0;
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if (ioctl(st->f, USB_READ_DIR, &st->urd)) {
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return (EINVAL);
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}
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st->ptr = st->buf;
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}
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if (st->ptr[0] == 0) {
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if (st->nparsed) {
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st->ptr = NULL;
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goto repeat;
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} else {
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return (ENXIO);
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}
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}
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st->src = (void *)(st->ptr + 1);
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st->dst = st->src + strlen(st->src) + 1;
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st->ptr = st->ptr + st->ptr[0];
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st->nparsed++;
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if ((st->ptr < st->buf) ||
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(st->ptr > st->dummy_zero)) {
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/* invalid entry */
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return (EINVAL);
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}
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return (0);
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}
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static int
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ugen20_init_backend(struct libusb20_backend *pbe)
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{
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struct ugen20_urd_state state;
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struct libusb20_device *pdev;
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memset(&state, 0, sizeof(state));
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state.f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
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if (state.f < 0)
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return (LIBUSB20_ERROR_OTHER);
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while (ugen20_readdir(&state) == 0) {
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if ((state.src[0] != 'u') ||
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(state.src[1] != 'g') ||
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(state.src[2] != 'e') ||
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(state.src[3] != 'n')) {
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continue;
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}
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pdev = libusb20_dev_alloc();
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if (pdev == NULL) {
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continue;
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}
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if (ugen20_enumerate(pdev, state.src + 4)) {
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libusb20_dev_free(pdev);
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continue;
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}
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/* put the device on the backend list */
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libusb20_be_enqueue_device(pbe, pdev);
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}
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close(state.f);
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return (0); /* success */
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}
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static void
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ugen20_tr_release(struct libusb20_device *pdev)
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{
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struct usb_fs_uninit fs_uninit;
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if (pdev->nTransfer == 0) {
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return;
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}
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/* release all pending USB transfers */
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if (pdev->privBeData != NULL) {
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memset(&fs_uninit, 0, sizeof(fs_uninit));
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if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
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/* ignore any errors of this kind */
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}
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}
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return;
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}
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static int
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ugen20_tr_renew(struct libusb20_device *pdev)
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{
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struct usb_fs_init fs_init;
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struct usb_fs_endpoint *pfse;
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int error;
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uint32_t size;
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uint16_t nMaxTransfer;
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nMaxTransfer = pdev->nTransfer;
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error = 0;
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if (nMaxTransfer == 0) {
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goto done;
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}
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size = nMaxTransfer * sizeof(*pfse);
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if (pdev->privBeData == NULL) {
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pfse = malloc(size);
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if (pfse == NULL) {
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error = LIBUSB20_ERROR_NO_MEM;
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goto done;
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}
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pdev->privBeData = pfse;
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}
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/* reset endpoint data */
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memset(pdev->privBeData, 0, size);
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memset(&fs_init, 0, sizeof(fs_init));
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fs_init.pEndpoints = libusb20_pass_ptr(pdev->privBeData);
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fs_init.ep_index_max = nMaxTransfer;
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if (ioctl(pdev->file, USB_FS_INIT, &fs_init)) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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}
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done:
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return (error);
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}
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static int
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ugen20_open_device(struct libusb20_device *pdev, uint16_t nMaxTransfer)
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{
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uint32_t plugtime;
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char buf[64];
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int f;
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int g;
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int error;
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snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
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pdev->bus_number, pdev->device_address);
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/*
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* We need two file handles, one for the control endpoint and one
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* for BULK, INTERRUPT and ISOCHRONOUS transactions due to optimised
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* kernel locking.
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*/
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g = open(buf, O_RDWR);
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if (g < 0) {
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return (LIBUSB20_ERROR_NO_DEVICE);
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}
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f = open(buf, O_RDWR);
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if (f < 0) {
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close(g);
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return (LIBUSB20_ERROR_NO_DEVICE);
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}
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if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
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error = LIBUSB20_ERROR_OTHER;
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goto done;
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}
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/* check that the correct device is still plugged */
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if (pdev->session_data.plugtime != plugtime) {
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error = LIBUSB20_ERROR_NO_DEVICE;
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goto done;
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}
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/* need to set this before "tr_renew()" */
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pdev->file = f;
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pdev->file_ctrl = g;
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/* renew all USB transfers */
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error = ugen20_tr_renew(pdev);
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if (error) {
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goto done;
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}
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/* set methods */
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pdev->methods = &libusb20_ugen20_device_methods;
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done:
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if (error) {
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if (pdev->privBeData) {
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/* cleanup after "tr_renew()" */
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free(pdev->privBeData);
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pdev->privBeData = NULL;
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}
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pdev->file = -1;
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pdev->file_ctrl = -1;
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close(f);
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close(g);
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}
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return (error);
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}
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static int
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ugen20_close_device(struct libusb20_device *pdev)
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{
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struct usb_fs_uninit fs_uninit;
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if (pdev->privBeData) {
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memset(&fs_uninit, 0, sizeof(fs_uninit));
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if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
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/* ignore this error */
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}
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free(pdev->privBeData);
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}
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pdev->nTransfer = 0;
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pdev->privBeData = NULL;
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close(pdev->file);
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close(pdev->file_ctrl);
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pdev->file = -1;
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pdev->file_ctrl = -1;
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return (0); /* success */
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}
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static void
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ugen20_exit_backend(struct libusb20_backend *pbe)
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{
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return; /* nothing to do */
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}
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|
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static int
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ugen20_get_config_desc_full(struct libusb20_device *pdev,
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uint8_t **ppbuf, uint16_t *plen, uint8_t cfg_index)
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{
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struct usb_gen_descriptor gen_desc;
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struct usb_config_descriptor cdesc;
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uint8_t *ptr;
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uint16_t len;
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int error;
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/* make sure memory is initialised */
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memset(&cdesc, 0, sizeof(cdesc));
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memset(&gen_desc, 0, sizeof(gen_desc));
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gen_desc.ugd_data = libusb20_pass_ptr(&cdesc);
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gen_desc.ugd_maxlen = sizeof(cdesc);
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gen_desc.ugd_config_index = cfg_index;
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|
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error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
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if (error) {
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return (LIBUSB20_ERROR_OTHER);
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}
|
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len = UGETW(cdesc.wTotalLength);
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if (len < sizeof(cdesc)) {
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/* corrupt descriptor */
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return (LIBUSB20_ERROR_OTHER);
|
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}
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ptr = malloc(len);
|
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if (!ptr) {
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return (LIBUSB20_ERROR_NO_MEM);
|
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}
|
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|
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/* make sure memory is initialised */
|
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memset(ptr, 0, len);
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|
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gen_desc.ugd_data = libusb20_pass_ptr(ptr);
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gen_desc.ugd_maxlen = len;
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|
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error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
|
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if (error) {
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free(ptr);
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return (LIBUSB20_ERROR_OTHER);
|
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}
|
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/* make sure that the device doesn't fool us */
|
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memcpy(ptr, &cdesc, sizeof(cdesc));
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|
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*ppbuf = ptr;
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*plen = len;
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|
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return (0); /* success */
|
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}
|
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|
|
static int
|
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ugen20_get_config_index(struct libusb20_device *pdev, uint8_t *pindex)
|
|
{
|
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int temp;
|
|
|
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if (ioctl(pdev->file_ctrl, USB_GET_CONFIG, &temp)) {
|
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return (LIBUSB20_ERROR_OTHER);
|
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}
|
|
*pindex = temp;
|
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|
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return (0);
|
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}
|
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|
|
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)) {
|
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return (LIBUSB20_ERROR_OTHER);
|
|
}
|
|
return (ugen20_tr_renew(pdev));
|
|
}
|
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|
|
static int
|
|
ugen20_set_alt_index(struct libusb20_device *pdev,
|
|
uint8_t iface_index, uint8_t alt_index)
|
|
{
|
|
struct usb_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_check_connected(struct libusb20_device *pdev)
|
|
{
|
|
uint32_t plugtime;
|
|
int error = 0;
|
|
|
|
if (ioctl(pdev->file_ctrl, USB_GET_PLUGTIME, &plugtime)) {
|
|
error = LIBUSB20_ERROR_NO_DEVICE;
|
|
goto done;
|
|
}
|
|
|
|
if (pdev->session_data.plugtime != plugtime) {
|
|
error = LIBUSB20_ERROR_NO_DEVICE;
|
|
goto done;
|
|
}
|
|
done:
|
|
return (error);
|
|
}
|
|
|
|
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 usb_ctl_request req;
|
|
|
|
memset(&req, 0, sizeof(req));
|
|
|
|
req.ucr_data = libusb20_pass_ptr(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 usb_fs_complete temp;
|
|
struct usb_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, uint8_t pre_scale)
|
|
{
|
|
struct usb_fs_open temp;
|
|
struct usb_fs_endpoint *fsep;
|
|
|
|
if (pre_scale)
|
|
MaxFrameCount |= USB_FS_MAX_FRAMES_PRE_SCALE;
|
|
|
|
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 using zero copy */
|
|
fsep->ppBuffer = libusb20_pass_ptr(xfer->ppBuffer);
|
|
fsep->pLength = libusb20_pass_ptr(xfer->pLength);
|
|
|
|
return (0); /* success */
|
|
}
|
|
|
|
static int
|
|
ugen20_tr_close(struct libusb20_transfer *xfer)
|
|
{
|
|
struct usb_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 usb_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 usb_fs_start temp;
|
|
struct usb_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;
|
|
}
|
|
/* NOTE: The "fsep->timeout" variable is 16-bit. */
|
|
if (xfer->timeout > 65535)
|
|
fsep->timeout = 65535;
|
|
else
|
|
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 usb_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 usb_gen_descriptor ugd;
|
|
|
|
memset(&ugd, 0, sizeof(ugd));
|
|
|
|
ugd.ugd_data = libusb20_pass_ptr(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 usb_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 usb_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 usb_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 usb_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 usb_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));
|
|
}
|