linux/drivers/media/pci/saa7134/saa7134-ts.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *
 * device driver for philips saa7134 based TV cards
 * video4linux video interface
 *
 * (c) 2001,02 Gerd Knorr <[email protected]> [SuSE Labs]
 */

#include "saa7134.h"
#include "saa7134-reg.h"

#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>

/* ------------------------------------------------------------------ */

static unsigned int ts_debug;
module_param(ts_debug, int, 0644);
MODULE_PARM_DESC(…) …;

#define ts_dbg(fmt, arg...) …

/* ------------------------------------------------------------------ */
static int buffer_activate(struct saa7134_dev *dev,
			   struct saa7134_buf *buf,
			   struct saa7134_buf *next)
{ … }

int saa7134_ts_buffer_init(struct vb2_buffer *vb2)
{ … }
EXPORT_SYMBOL_GPL(…);

int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2)
{ … }
EXPORT_SYMBOL_GPL(…);

int saa7134_ts_queue_setup(struct vb2_queue *q,
			   unsigned int *nbuffers, unsigned int *nplanes,
			   unsigned int sizes[], struct device *alloc_devs[])
{ … }
EXPORT_SYMBOL_GPL(…);

int saa7134_ts_start_streaming(struct vb2_queue *vq, unsigned int count)
{ … }
EXPORT_SYMBOL_GPL(…);

void saa7134_ts_stop_streaming(struct vb2_queue *vq)
{ … }
EXPORT_SYMBOL_GPL(…);

struct vb2_ops saa7134_ts_qops = …;
EXPORT_SYMBOL_GPL(…);

/* ----------------------------------------------------------- */
/* exported stuff                                              */

static unsigned int tsbufs = …;
module_param(tsbufs, int, 0444);
MODULE_PARM_DESC(…) …;

static unsigned int ts_nr_packets = …;
module_param(ts_nr_packets, int, 0444);
MODULE_PARM_DESC(…) …;

int saa7134_ts_init_hw(struct saa7134_dev *dev)
{ … }

int saa7134_ts_init1(struct saa7134_dev *dev)
{ … }

/* Function for stop TS */
int saa7134_ts_stop(struct saa7134_dev *dev)
{ … }

/* Function for start TS */
int saa7134_ts_start(struct saa7134_dev *dev)
{ … }

int saa7134_ts_fini(struct saa7134_dev *dev)
{ … }

void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status)
{ … }