linux/drivers/media/pci/cx25821/cx25821-medusa-video.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for the Conexant CX25821 PCIe bridge
 *
 *  Copyright (C) 2009 Conexant Systems Inc.
 *  Authors  <[email protected]>, <[email protected]>
 */

#define pr_fmt(fmt) …

#include "cx25821.h"
#include "cx25821-medusa-video.h"
#include "cx25821-biffuncs.h"

/*
 * medusa_enable_bluefield_output()
 *
 * Enable the generation of blue filed output if no video
 *
 */
static void medusa_enable_bluefield_output(struct cx25821_dev *dev, int channel,
					   int enable)
{ … }

static int medusa_initialize_ntsc(struct cx25821_dev *dev)
{ … }

static int medusa_PALCombInit(struct cx25821_dev *dev, int dec)
{ … }

static int medusa_initialize_pal(struct cx25821_dev *dev)
{ … }

int medusa_set_videostandard(struct cx25821_dev *dev)
{ … }

void medusa_set_resolution(struct cx25821_dev *dev, int width,
			   int decoder_select)
{ … }

static void medusa_set_decoderduration(struct cx25821_dev *dev, int decoder,
				       int duration)
{ … }

/* Map to Medusa register setting */
static int mapM(int srcMin, int srcMax, int srcVal, int dstMin, int dstMax,
		int *dstVal)
{ … }

static unsigned long convert_to_twos(long numeric, unsigned long bits_len)
{ … }

int medusa_set_brightness(struct cx25821_dev *dev, int brightness, int decoder)
{ … }

int medusa_set_contrast(struct cx25821_dev *dev, int contrast, int decoder)
{ … }

int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder)
{ … }

int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder)
{ … }

/* Program the display sequence and monitor output. */

int medusa_video_init(struct cx25821_dev *dev)
{ … }