| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * cx18 file operation functions |
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| 4 | * |
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| 5 | * Derived from ivtv-fileops.h |
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| 6 | * |
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| 7 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
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| 8 | */ |
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| 9 | |
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| 10 | /* Testing/Debugging */ |
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| 11 | int cx18_v4l2_open(struct file *filp); |
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| 12 | ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, |
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| 13 | loff_t *pos); |
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| 14 | ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, |
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| 15 | loff_t *pos); |
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| 16 | int cx18_v4l2_close(struct file *filp); |
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| 17 | __poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); |
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| 18 | int cx18_start_capture(struct cx18_open_id *id); |
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| 19 | void cx18_stop_capture(struct cx18_stream *s, int gop_end); |
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| 20 | void cx18_mute(struct cx18 *cx); |
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| 21 | void cx18_unmute(struct cx18 *cx); |
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| 22 | int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); |
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| 23 | void cx18_clear_queue(struct cx18_stream *s, enum vb2_buffer_state state); |
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| 24 | void cx18_vb_timeout(struct timer_list *t); |
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| 25 | |
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| 26 | /* Shared with cx18-alsa module */ |
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| 27 | int cx18_claim_stream(struct cx18_open_id *id, int type); |
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| 28 | void cx18_release_stream(struct cx18_stream *s); |
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| 29 | |
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