diff options
Diffstat (limited to 'util/usb_if.h')
-rw-r--r-- | util/usb_if.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/util/usb_if.h b/util/usb_if.h deleted file mode 100644 index 8cc1088c6e..0000000000 --- a/util/usb_if.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright 2018 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef __EC_EXTRA_USB_UPDATER_USB_IF_H -#define __EC_EXTRA_USB_UPDATER_USB_IF_H - -#include <libusb.h> - -/* This describes USB endpoint used to communicate with Cr50. */ -struct usb_endpoint { - struct libusb_device_handle *devh; - uint8_t ep_num; - int chunk_len; -}; - -/* - * Find the requested USB endpoint. This finds the device using the device - * serial number, vendor id, and product id. The subclass and protocol are used - * to find the correct endpoint. If a matching endpoint is found, fill up the - * uep structure. If succeeded, usb_shut_down() must be invoked before program - * exits. - * - * Return 0 on success, -1 on failure. - */ -int usb_findit(const char *serialno, uint16_t vid, uint16_t pid, - uint16_t subclass, uint16_t protocol, struct usb_endpoint *uep); - -/* - * Actual USB transfer function, the 'allow_less' flag indicates that the - * valid response could be shorter than allotted memory, the 'rxed_count' - * pointer, if provided along with 'allow_less', lets the caller know how many - * bytes were received. - */ -int usb_trx(struct usb_endpoint *uep, void *outbuf, int outlen, - void *inbuf, int inlen, int allow_less, - size_t *rxed_count); - -/* - * This function should be called for graceful tear down of the USB interface - * when the program exits, either normally or due to error. This is required - * only after USB connection was established, i.e. after successful invocation - * of usb_findit(). - */ -void usb_shut_down(struct usb_endpoint *uep); - -#define USB_ERROR(m, r) \ - fprintf(stderr, "%s:%d, %s returned %d (%s)\n", __FILE__, __LINE__, \ - m, r, libusb_strerror(r)) - -#endif /* ! __EC_EXTRA_USB_UPDATER_USB_IF_H */ |