1 /* 2 * cx18 file operation functions 3 * 4 * Derived from ivtv-fileops.h 5 * 6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 /* Testing/Debugging */ 20 int cx18_v4l2_open(struct file *filp); 21 ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, 22 loff_t *pos); 23 ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, 24 loff_t *pos); 25 int cx18_v4l2_close(struct file *filp); 26 __poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); 27 int cx18_start_capture(struct cx18_open_id *id); 28 void cx18_stop_capture(struct cx18_open_id *id, int gop_end); 29 void cx18_mute(struct cx18 *cx); 30 void cx18_unmute(struct cx18 *cx); 31 int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); 32 void cx18_vb_timeout(struct timer_list *t); 33 34 /* Shared with cx18-alsa module */ 35 int cx18_claim_stream(struct cx18_open_id *id, int type); 36 void cx18_release_stream(struct cx18_stream *s); 37