diff options
Diffstat (limited to 'drivers/media/pci/cx18/cx18-fileops.h')
| -rw-r--r-- | drivers/media/pci/cx18/cx18-fileops.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-fileops.h b/drivers/media/pci/cx18/cx18-fileops.h new file mode 100644 index 0000000000..943057b83d --- /dev/null +++ b/drivers/media/pci/cx18/cx18-fileops.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * cx18 file operation functions + * + * Derived from ivtv-fileops.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + */ + +/* Testing/Debugging */ +int cx18_v4l2_open(struct file *filp); +ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos); +ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, + loff_t *pos); +int cx18_v4l2_close(struct file *filp); +__poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); +int cx18_start_capture(struct cx18_open_id *id); +void cx18_stop_capture(struct cx18_stream *s, int gop_end); +void cx18_mute(struct cx18 *cx); +void cx18_unmute(struct cx18 *cx); +int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); +void cx18_clear_queue(struct cx18_stream *s, enum vb2_buffer_state state); +void cx18_vb_timeout(struct timer_list *t); + +/* Shared with cx18-alsa module */ +int cx18_claim_stream(struct cx18_open_id *id, int type); +void cx18_release_stream(struct cx18_stream *s); |