path: root/drivers/media/platform/ti-vpe/cal.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * TI Camera Access Layer (CAL) - Driver
 *
 * Copyright (c) 2015-2020 Texas Instruments Inc.
 *
 * Authors:
 *	Benoit Parrot <bparrot@ti.com>
 *	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 */

#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/videodev2.h>

#include <media/media-device.h>
#include <media/v4l2-async.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <media/videobuf2-core.h>
#include <media/videobuf2-dma-contig.h>

#include "cal.h"
#include "cal_regs.h"

MODULE_DESCRIPTION("TI CAL driver");
MODULE_AUTHOR("Benoit Parrot, <bparrot@ti.com>");
MODULE_LICENSE("GPL v2");
MODULE_VERSION("0.1.0");

int cal_video_nr = -1;
module_param_named(video_nr, cal_video_nr, uint, 0644);
MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect");

unsigned int cal_debug;
module_param_named(debug, cal_debug, uint, 0644);
MODULE_PARM_DESC(debug, "activates debug info");

/* ------------------------------------------------------------------
 *	Format Handling
 * ------------------------------------------------------------------
 */

const struct cal_format_info cal_formats[] = {
	{
		.fourcc		= V4L2_PIX_FMT_YUYV,
		.code		= MEDIA_BUS_FMT_YUYV8_2X8,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_UYVY,
		.code		= MEDIA_BUS_FMT_UYVY8_2X8,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_YVYU,
		.code		= MEDIA_BUS_FMT_YVYU8_2X8,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_VYUY,
		.code		= MEDIA_BUS_FMT_VYUY8_2X8,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
		.code		= MEDIA_BUS_FMT_RGB565_2X8_LE,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
		.code		= MEDIA_BUS_FMT_RGB565_2X8_BE,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_RGB555, /* gggbbbbb arrrrrgg */
		.code		= MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_RGB555X, /* arrrrrgg gggbbbbb */
		.code		= MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE,
		.bpp		= 16,
	}, {
		.fourcc		= V4L2_PIX_FMT_RGB24, /* rgb */
		.code		= MEDIA_BUS_FMT_RGB888_2X12_LE,
		.bpp		= 24,
	}, {
		.fourcc		= V4L2_PIX_FMT_BGR24, /* bgr */
		.code		= MEDIA_BUS_FMT_RGB888_2X12_BE,
		.bpp		= 24,
	}, {
		.fourcc		= V4L2_PIX_FMT_RGB32, /* argb */
		.code		= MEDIA_BUS_FMT_ARGB8888_1X32,
		.bpp		= 32,
	}, {
		.fourcc		= V4L2_PIX_FMT_SBGGR8,
		.code		= MEDIA_BUS_FMT_SBGGR8_1X8,
		.bpp		= 8,
	}, {
		.fourcc		= V4L2_PIX_FMT_SGBRG8,
		.code		= MEDIA_BUS_FMT_SGBRG8_1X8,
		.bpp		= 8,
	}, {
		.fourcc		= V4L2_PIX_FMT_SGRBG8,
		.code		= MEDIA_BUS_FMT_SGRBG8_1X8,
		.bpp		= 8,
	}, {
		.fourcc		= V4L2_PIX_FMT_SRGGB8,
		.code		= MEDIA_BUS_FMT_SRGGB8_1X8,
		.bpp		= 8,
	}, {
		.fourcc		= V4L2_PIX_FMT_SBGGR10,
		.code		= MEDIA_BUS_FMT_SBGGR10_1X10,
		.bpp		= 10,
	}, {
		.fourcc		= V4L2_PIX_FMT_SGBRG10,
		.code		= MEDIA_BUS_FMT_SGBRG10_1X10,
		.bpp		= 10,
	}, {
		.fourcc		= V4L2_PIX_FMT_SGRBG10,
		.code		= MEDIA_BUS_FMT_SGRBG10_1X10,
		.bpp		= 10,
	}, {
		.fourcc		= V4L2_PIX_FMT_SRGGB10,
		.code		= MEDIA_BUS_FMT_SRGGB10_1X10,
		.bpp		= 10,
	}, {
		.fourcc		= V4L2_PIX_FMT_SBGGR12,
		.code		= MEDIA_BUS_FMT_SBGGR12_1X12,
		.bpp		= 12,
	}, {
		.fourcc		= V4L2_PIX_FMT_SGBRG12,
		.code		= MEDIA_BUS_FMT_SGBRG12_1X12,
		.bpp		= 12,
	}, {
		.fourcc		= V4L2_PIX_FMT_SGRBG12,
		.code		= MEDIA_BUS_FMT_SGRBG12_1X12,
		.bpp		= 12,
	}, {
		.fourcc		= V4L2_PIX_FMT_SRGGB12,
		.code		= MEDIA_BUS_FMT_SRGGB12_1X12,
		.bpp		= 12,
	},
};

const unsigned in