1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * cx18 file operation functions 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Derived from ivtv-fileops.h 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* Testing/Debugging */ 11*4882a593Smuzhiyun int cx18_v4l2_open(struct file *filp); 12*4882a593Smuzhiyun ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, 13*4882a593Smuzhiyun loff_t *pos); 14*4882a593Smuzhiyun ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, 15*4882a593Smuzhiyun loff_t *pos); 16*4882a593Smuzhiyun int cx18_v4l2_close(struct file *filp); 17*4882a593Smuzhiyun __poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); 18*4882a593Smuzhiyun int cx18_start_capture(struct cx18_open_id *id); 19*4882a593Smuzhiyun void cx18_stop_capture(struct cx18_open_id *id, int gop_end); 20*4882a593Smuzhiyun void cx18_mute(struct cx18 *cx); 21*4882a593Smuzhiyun void cx18_unmute(struct cx18 *cx); 22*4882a593Smuzhiyun int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); 23*4882a593Smuzhiyun void cx18_vb_timeout(struct timer_list *t); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* Shared with cx18-alsa module */ 26*4882a593Smuzhiyun int cx18_claim_stream(struct cx18_open_id *id, int type); 27*4882a593Smuzhiyun void cx18_release_stream(struct cx18_stream *s); 28