18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * cx18 file operation functions 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Derived from ivtv-fileops.h 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci/* Testing/Debugging */ 118c2ecf20Sopenharmony_ciint cx18_v4l2_open(struct file *filp); 128c2ecf20Sopenharmony_cissize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, 138c2ecf20Sopenharmony_ci loff_t *pos); 148c2ecf20Sopenharmony_cissize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, 158c2ecf20Sopenharmony_ci loff_t *pos); 168c2ecf20Sopenharmony_ciint cx18_v4l2_close(struct file *filp); 178c2ecf20Sopenharmony_ci__poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); 188c2ecf20Sopenharmony_ciint cx18_start_capture(struct cx18_open_id *id); 198c2ecf20Sopenharmony_civoid cx18_stop_capture(struct cx18_open_id *id, int gop_end); 208c2ecf20Sopenharmony_civoid cx18_mute(struct cx18 *cx); 218c2ecf20Sopenharmony_civoid cx18_unmute(struct cx18 *cx); 228c2ecf20Sopenharmony_ciint cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); 238c2ecf20Sopenharmony_civoid cx18_vb_timeout(struct timer_list *t); 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci/* Shared with cx18-alsa module */ 268c2ecf20Sopenharmony_ciint cx18_claim_stream(struct cx18_open_id *id, int type); 278c2ecf20Sopenharmony_civoid cx18_release_stream(struct cx18_stream *s); 28