11a59d1b8SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2b285192aSMauro Carvalho Chehab /* 3b285192aSMauro Carvalho Chehab file operation functions 4b285192aSMauro Carvalho Chehab Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> 5b285192aSMauro Carvalho Chehab Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> 6b285192aSMauro Carvalho Chehab 7b285192aSMauro Carvalho Chehab */ 8b285192aSMauro Carvalho Chehab 9b285192aSMauro Carvalho Chehab #ifndef IVTV_FILEOPS_H 10b285192aSMauro Carvalho Chehab #define IVTV_FILEOPS_H 11b285192aSMauro Carvalho Chehab 12b285192aSMauro Carvalho Chehab /* Testing/Debugging */ 13b285192aSMauro Carvalho Chehab int ivtv_v4l2_open(struct file *filp); 14b285192aSMauro Carvalho Chehab ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count, 15b285192aSMauro Carvalho Chehab loff_t * pos); 16b285192aSMauro Carvalho Chehab ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count, 17b285192aSMauro Carvalho Chehab loff_t * pos); 18b285192aSMauro Carvalho Chehab int ivtv_v4l2_close(struct file *filp); 19c23e0cb8SAl Viro __poll_t ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait); 20c23e0cb8SAl Viro __poll_t ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait); 21b285192aSMauro Carvalho Chehab int ivtv_start_capture(struct ivtv_open_id *id); 22b285192aSMauro Carvalho Chehab void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end); 23b285192aSMauro Carvalho Chehab int ivtv_start_decoding(struct ivtv_open_id *id, int speed); 24b285192aSMauro Carvalho Chehab void ivtv_mute(struct ivtv *itv); 25b285192aSMauro Carvalho Chehab void ivtv_unmute(struct ivtv *itv); 26b285192aSMauro Carvalho Chehab 27b285192aSMauro Carvalho Chehab /* Utilities */ 28269c11fbSAndy Walls /* Shared with ivtv-alsa module */ 29269c11fbSAndy Walls int ivtv_claim_stream(struct ivtv_open_id *id, int type); 30b285192aSMauro Carvalho Chehab void ivtv_release_stream(struct ivtv_stream *s); 31b285192aSMauro Carvalho Chehab 32b285192aSMauro Carvalho Chehab #endif 33