/* * SPDX-License-Identifier: GPL-2.0 * tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices * * Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@kernel.org> */ #include <linux/videodev2.h> #define TM6000_URB_MSG_LEN 180 struct usb_isoc_ctl { /* max packet size of isoc transaction */ int max_pkt_size; /* number of allocated urbs */ int num_bufs; /* urb for isoc transfers */ struct urb **urb; /* transfer buffers for isoc transfer */ char **transfer_buffer; /* Last buffer command and region */ u8 cmd; int pos, size, pktsize; /* Last field: ODD or EVEN? */ int vfield, field; /* Stores incomplete commands */ u32 tmp_buf; int tmp_buf_len; /* Stores already requested buffers */ struct tm6000_buffer *buf; };