drivers/amlogic/media/video_processor/common/video_pp_common.c

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * drivers/amlogic/media/video_processor/common/video_pp_common.c
 *
 * Copyright (C) 2017 Amlogic, Inc. All rights reserved.
 *
 * 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.
 *
 */

#include <linux/types.h>
#include <linux/amlogic/media/ge2d/ge2d.h>
#include <linux/amlogic/cpu_version.h>
#include <linux/amlogic/media/vfm/vframe.h>

enum vframe_source_type {
	DECODER_8BIT_NORMAL = 0,
	DECODER_8BIT_BOTTOM,
	DECODER_8BIT_TOP,
	DECODER_10BIT_NORMAL,
	DECODER_10BIT_BOTTOM,
	DECODER_10BIT_TOP,
	VDIN_8BIT_NORMAL,
	VDIN_10BIT_NORMAL,
};

int get_source_type(struct vframe_s *vf)
{
	enum vframe_source_type ret;
	int interlace_mode;

	interlace_mode = vf->type & VIDTYPE_TYPEMASK;
	if (vf->source_type == VFRAME_SOURCE_TYPE_HDMI ||
	    vf->source_type == VFRAME_SOURCE_TYPE_CVBS) {
		if ((vf->bitdepth & BITDEPTH_Y10) &&
		    (!(vf->type & VIDTYPE_COMPRESS)) &&
		    (get_cpu_type() >= MESON_CPU_MAJOR_ID_TXL))
			ret = VDIN_10BIT_NORMAL;
		else
			ret = VDIN_8BIT_NORMAL;
	} else {
		if ((vf->bitdepth & BITDEPTH_Y10) &&
		    (!(vf->type & VIDTYPE_COMPRESS)) &&
		    (get_cpu_type() >= MESON_CPU_MAJOR_ID_TXL)) {
			if (interlace_mode == VIDTYPE_INTERLACE_TOP)
				ret = DECODER_10BIT_TOP;
			else if (interlace_mode == VIDTYPE_INTERLACE_BOTTOM)
				ret = DECODER_10BIT_BOTTOM;
			else
				ret = DECODER_10BIT_NORMAL;
		} else {
			if (interlace_mode == VIDTYPE_INTERLACE_TOP)
				ret = DECODER_8BIT_TOP;
			else if (interlace_mode == VIDTYPE_INTERLACE_BOTTOM)
				ret = DECODER_8BIT_BOTTOM;
			else
				ret = DECODER_8BIT_NORMAL;
		}
	}
	return ret;
}

int get_ge2d_input_format(struct vframe_s *vf)
{
	int format = GE2D_FORMAT_M24_YUV420;
	enum vframe_source_type soure_type;

	soure_type = get_source_type(vf);
	switch (soure_type) {
	case DECODER_8BIT_NORMAL:
		if (vf->type & VIDTYPE_VIU_422)
			format = GE2D_FORMAT_S16_YUV422;
		else if (vf->type & VIDTYPE_VIU_NV21)
			format = GE2D_FORMAT_M24_NV21;
		else if (vf->type & VIDTYPE_VIU_444)
			format = GE2D_FORMAT_S24_YUV444;
		else
			format = GE2D_FORMAT_M24_YUV420;
		break;
	case DECODER_8BIT_BOTTOM:
		if (vf->type & VIDTYPE_VIU_422)
			format = GE2D_FORMAT_S16_YUV422
				| (GE2D_FORMAT_S16_YUV422B & (3 << 3));
		else if (vf->type & VIDTYPE_VIU_NV21)
			format = GE2D_FORMAT_M24_NV21
				| (GE2D_FORMAT_M24_NV21B & (3 << 3));
		else if (vf->type & VIDTYPE_VIU_444)
			format = GE2D_FORMAT_S24_YUV444
				| (GE2D_FORMAT_S24_YUV444B & (3 << 3));
		else
			format = GE2D_FORMAT_M24_YUV420
				| (GE2D_FMT_M24_YUV420B & (3 << 3));
		break;
	case DECODER_8BIT_TOP:
		if (vf->type & VIDTYPE_VIU_422)
			format = GE2D_FORMAT_S16_YUV422
				| (GE2D_FORMAT_S16_YUV422T & (3 << 3));
		else if (vf->type & VIDTYPE_VIU_NV21)
			format = GE2D_FORMAT_M24_NV21
				| (GE2D_FORMAT_M24_NV21T & (3 << 3));
		else if (vf->type & VIDTYPE_VIU_444)
			format = GE2D_FORMAT_S24_YUV444
				| (GE2D_FORMAT_S24_YUV444T & (3 << 3));
		else
			format = GE2D_FORMAT_M24_YUV420
				| (GE2D_FMT_M24_YUV420T & (3 << 3));
		break;
	case DECODER_10BIT_NORMAL:
		if (vf->type & VIDTYPE_VIU_422) {
			if (vf->bitdepth & FULL_PACK_422_MODE)
				format = GE2D_FORMAT_S16_10BIT_YUV422;
			else
				format = GE2D_FORMAT_S16_12BIT_YUV422;
		}
		break;
	case DECODER_10BIT_BOTTOM:
		if (vf->type & VIDTYPE_VIU_422) {
			if (vf->bitdepth & FULL_PACK_422_MODE)
				format = GE2D_FORMAT_S16_10BIT_YUV422
					| (GE2D_FORMAT_S16_10BIT_YUV422B
					& (3 << 3));
			else
				format = GE2D_FORMAT_S16_12BIT_YUV422
					| (GE2D_FORMAT_S16_12BIT_YUV422B
					& (3 << 3));
		}
		break;
	case DECODER_10BIT_TOP:
		if (vf->type & VIDTYPE_VIU_422) {
			if (vf->bitdepth & FULL_PACK_422_MODE)
				format = GE2D_FORMAT_S16_10BIT_YUV422
					| (GE2D_FORMAT_S16_10BIT_YUV422T
					& (3 << 3));
			else
				format = GE2D_FORMAT_S16_12BIT_YUV422
					| (GE2D_FORMAT_S16_12BIT_YUV422T
					& (3 << 3));
		}
		break;
	case VDIN_8BIT_NORMAL:
		if (vf->type & VIDTYPE_VIU_422)
			format = GE2D_FORMAT_S16_YUV422;
		else if (vf->type & VIDTYPE_VIU_NV21)
			format = GE2D_FORMAT_M24_NV21;
		else if (vf->type & VIDTYPE_VIU_444)
			format = GE2D_FORMAT_S24_YUV444;
		else
			format = GE2D_FORMAT_M24_YUV420;
		break;
	case VDIN_10BIT_NORMAL:
		if (vf->type & VIDTYPE_VIU_422) {
			if (vf->bitdepth & FULL_PACK_422_MODE)
				format = GE2D_FORMAT_S16_10BIT_YUV422;
			else
				format = GE2D_FORMAT_S16_12BIT_YUV422;
		}
		break;
	default:
		format = GE2D_FORMAT_M24_YUV420;
	}
	return format;
}
EXPORT_SYMBOL(get_ge2d_input_format);