1c942fddfSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2b285192aSMauro Carvalho Chehab /* 3b285192aSMauro Carvalho Chehab * cx18 file operation functions 4b285192aSMauro Carvalho Chehab * 5b285192aSMauro Carvalho Chehab * Derived from ivtv-fileops.h 6b285192aSMauro Carvalho Chehab * 7b285192aSMauro Carvalho Chehab * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 8b285192aSMauro Carvalho Chehab */ 9b285192aSMauro Carvalho Chehab 10b285192aSMauro Carvalho Chehab /* Testing/Debugging */ 11b285192aSMauro Carvalho Chehab int cx18_v4l2_open(struct file *filp); 12b285192aSMauro Carvalho Chehab ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, 13b285192aSMauro Carvalho Chehab loff_t *pos); 14b285192aSMauro Carvalho Chehab ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, 15b285192aSMauro Carvalho Chehab loff_t *pos); 16b285192aSMauro Carvalho Chehab int cx18_v4l2_close(struct file *filp); 17c23e0cb8SAl Viro __poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); 18b285192aSMauro Carvalho Chehab int cx18_start_capture(struct cx18_open_id *id); 19*643e8350SHans Verkuil void cx18_stop_capture(struct cx18_stream *s, int gop_end); 20b285192aSMauro Carvalho Chehab void cx18_mute(struct cx18 *cx); 21b285192aSMauro Carvalho Chehab void cx18_unmute(struct cx18 *cx); 22b285192aSMauro Carvalho Chehab int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); 23*643e8350SHans Verkuil void cx18_clear_queue(struct cx18_stream *s, enum vb2_buffer_state state); 24162e6376SKees Cook void cx18_vb_timeout(struct timer_list *t); 25b285192aSMauro Carvalho Chehab 26b285192aSMauro Carvalho Chehab /* Shared with cx18-alsa module */ 27b285192aSMauro Carvalho Chehab int cx18_claim_stream(struct cx18_open_id *id, int type); 28b285192aSMauro Carvalho Chehab void cx18_release_stream(struct cx18_stream *s); 29