/*******************************************************************************
 * lib_smartfb_priv.h
 *
 * History:
 *  2017/07/25 - [Hao Qian] created file
 *
 * Copyright (c) 2017 Ambarella, Inc.
 *
 * This file and its contents ( "Software" ) are protected by intellectual
 * property rights including, without limitation, U.S. and/or foreign
 * copyrights. This Software is also the confidential and proprietary
 * information of Ambarella, Inc. and its licensors. You may not use, reproduce,
 * disclose, distribute, modify, or otherwise prepare derivative works of this
 * Software or any portion thereof except pursuant to a signed license agreement
 * or nondisclosure agreement with Ambarella, Inc. or its authorized affiliates.
 * In the absence of such an agreement, you agree to promptly notify and return
 * this Software to Ambarella, Inc.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
 * MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL AMBARELLA, INC. OR ITS AFFILIATES BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; COMPUTER FAILURE OR MALFUNCTION; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************/

#ifndef _SMARTFB_LIB_PRIV_H
#define _SMARTFB_LIB_PRIV_H

#include "lib_smartfb.h"

#ifndef LINE_SPACING
#define LINE_SPACING(x)		((x) * 3 / 2)
#endif

#define SMARTFB_MAX_STRING_LEN (32)
#define SMARTFB_BITS_PER_PIXEL_8 (8)
#define SMARTFB_BITS_PER_PIXEL_32 (32)
#define SMARTFB_MOSAIC_USED_COLOR_TAB_NUM (64)
#define SMARTFB_USED_COLOR_TAB_NUM (SMARTFB_COLOR_NUM * SMARTFB_ALPHA_NUM)

enum line_type {
	SMARTFB_LINE_DEGREE0_0 = 0,
	SMARTFB_LINE_DEGREE0_45 = 1,
	SMARTFB_LINE_DEGREE45_90 = 2,
	SMARTFB_LINE_DEGREE90_90 = 3,
	SMARTFB_LINE_DEGREE90_135 = 4,
	SMARTFB_LINE_DEGREE135_180 = 5,
	SMARTFB_LINE_TYPE_NUM,
};

typedef struct fb_color_s {
	u16 r;
	u16 g;
	u16 b;
} fb_color_t;

struct fb_cmap_user {
	u32 start; /* First entry */
	u32 len; /* Number of entries */
	u16 *r;
	u16 *g;
	u16 *b;
	u16 *transparent; /* transparency, can be NULL */
};

typedef struct smartfb_saved_cap_area_params_s {
	u16 offset_x;
	u16 offset_y;
	u16 width;
	u16 height;
	char name[MAX_NAME_SIZE];
	u8 *buffer;
} smartfb_saved_cap_area_params_t;

typedef struct smartfb_saved_cap_area_s {
	smartfb_saved_cap_area_params_t params[MAX_CAP_AREA_NUM];
	u32 used_map : MAX_CAP_AREA_NUM;
	u32 reserved : (32 - MAX_CAP_AREA_NUM);
} smartfb_saved_cap_area_t;

typedef struct smartfb_context_s {
	u8 *fb_mem;
	u32 init_done : 1;
	u32 cycle_buffer_num : 4;
	u32 cur_cycle_buffer : 4;
	u32 drawed_cycle_buffer : 4;
	u32 mode_name : 1;
	u32 reserved : 18;
	int fb;

	// linux fb header
	struct fb_var_screeninfo var;
	struct fb_fix_screeninfo fix;

	// saved capture area
	smartfb_saved_cap_area_t saved_areas;
} smartfb_context_t;

#endif //_SMARTFB_LIB_PRIV_H