| /* |
| * cx18 file operation functions |
| * |
| * Derived from ivtv-fileops.h |
| * |
| * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| * 02111-1307 USA |
| */ |
| |
| /* Testing/Debugging */ |
| int cx18_v4l2_open(struct inode *inode, 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 inode *inode, struct file *filp); |
| unsigned int 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_open_id *id, int gop_end); |
| void cx18_mute(struct cx18 *cx); |
| void cx18_unmute(struct cx18 *cx); |
| |
| /* Utilities */ |
| |
| /* Try to claim a stream for the filehandle. Return 0 on success, |
| -EBUSY if stream already claimed. Once a stream is claimed, it |
| remains claimed until the associated filehandle is closed. */ |
| int cx18_claim_stream(struct cx18_open_id *id, int type); |
| |
| /* Release a previously claimed stream. */ |
| void cx18_release_stream(struct cx18_stream *s); |