/*
 * Allwinner SoCs de-interlace driver.
 *
 * Copyright (C) 2016 Allwinner.
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#ifndef __DI_H__
#define __DI_H__

#include <linux/types.h>

enum __di_pixel_fmt_t {
	DI_FORMAT_NV12 = 0x00, /* 2-plane */
	DI_FORMAT_NV21 = 0x01, /* 2-plane */
	DI_FORMAT_MB32_12 = 0x02, /* NOT SUPPORTED, UV mapping like NV12 */
	DI_FORMAT_MB32_21 = 0x03, /* NOT SUPPORTED, UV mapping like NV21 */
	DI_FORMAT_YV12 = 0x04, /* 3-plane */
	DI_FORMAT_YUV422_SP_UVUV = 0x08, /* 2-plane, New in DI_V2.2 */
	DI_FORMAT_YUV422_SP_VUVU = 0x09, /* 2-plane, New in DI_V2.2 */
	DI_FORMAT_YUV422P = 0x0c, /* 3-plane, New in DI_V2.2 */
	DI_FORMAT_MAX,
};

enum __di_intp_mode_t {
	DI_MODE_WEAVE = 0x0, /* Copy source to destination */
	DI_MODE_INTP = 0x1, /* Use current field to interpolate another field */
	DI_MODE_MOTION = 0x2, /* Use 4-field to interpolate another field */
};

enum __di_updmode_t {
	DI_UPDMODE_FIELD = 0x0, /* Output 2 frames when updated 1 input frame */
	DI_UPDMODE_FRAME = 0x1, /* Output 1 frame when updated 1 input frame */
};

struct __di_rectsz_t {
	unsigned int width;
	unsigned int height;
};

struct __di_fb_t {
	void	*addr[2];              /* frame buffer address */
	struct	__di_rectsz_t		size;           /* size pixel */
	enum	__di_pixel_fmt_t	format;
};

struct __di_para_t {
	struct __di_fb_t       input_fb;          /* current frame fb */
	struct __di_fb_t       pre_fb;            /* previous frame fb */
	struct __di_rectsz_t   source_regn;    /* current frame and
						* previous frame process region
						*/
	struct __di_fb_t       output_fb;	  /* output frame fb */
	struct __di_rectsz_t   out_regn;          /* output frame region */
	__u32           field;                  /* process field <0-top field ;
						 * 1-bottom field>
						 */
	__u32          top_field_first;        /* video information <0-is not
						* top_field_first; 1-is top_
						* field_first>
						*/
};

/* di_format_attr - display format attribute
 *
 * @format: pixel format
 * @bits: bits of each component
 * @hor_rsample_u: reciprocal of horizontal sample rate
 * @hor_rsample_v: reciprocal of horizontal sample rate
 * @ver_rsample_u: reciprocal of vertical sample rate
 * @hor_rsample_v: reciprocal of vertical sample rate
 * @uvc: 1: u & v component combined
 * @interleave: 0: progressive, 1: interleave
 * @factor & div: bytes of pixel = factor / div (bytes)
 *
 * @addr[out]: address for each plane
 * @trd_addr[out]: address for each plane of right eye buffer
 */
struct di_format_attr {
	enum __di_pixel_fmt_t format;
	unsigned int bits;
	unsigned int hor_rsample_u;
	unsigned int hor_rsample_v;
	unsigned int ver_rsample_u;
	unsigned int ver_rsample_v;
	unsigned int uvc;
	unsigned int interleave;
	unsigned int factor;
	unsigned int div;
};

struct __di_fb_t2 {
	int fd;
	unsigned long long addr[3]; /* frame buffer address */
	struct __di_rectsz_t size; /* size (in pixel) */
	enum __di_pixel_fmt_t format;
};

struct __di_para_t2 {
	struct __di_fb_t2 input_fb; /* current frame fb */
	struct __di_fb_t2 pre_fb; /* previous frame fb */
	struct __di_fb_t2 next_fb; /* next frame fb */
	struct __di_rectsz_t source_regn; /* current frame /previous frame and
					   * next frame process region
					   */
	struct __di_fb_t2 output_fb; /* output frame fb */
	struct __di_rectsz_t out_regn; /* output frame region */
	unsigned int field; /* process field <0-first field ; 1-second field> */
	unsigned int top_field_first; /* video information <0-is not
				       *top_field_first; 1-is top_field_first>
				       */
	/* unsigned int update_mode; */
			/* update buffer mode <0-update 1 frame,
			output 2 frames; 1-update 1 frame, output 1 frame> */
	int id;
};

/* New in DI_2.X */
struct __di_mode_t {
	enum __di_intp_mode_t di_mode;
	enum __di_updmode_t update_mode;
};

struct __di_mem_t {
	unsigned int size;
	void *v_addr;
	unsigned long p_addr;
};

s32 di_set_reg_base(void *base);
void *di_get_reg_base(void);
s32 di_set_init(void);
s32 di_reset(void);
s32 di_start(void);
s32 di_irq_enable(u32 enable);
s32 di_get_status(void);
s32 di_irq_clear(void);
s32 di_set_para(struct __di_para_t2 *para, void *in_flag_add,
		void *out_flag_add,  u32 field);
void di_set_mode(struct __di_mode_t *di_mode);
s32 di_sw_para_to_reg(u8 type, u8 format);
s32 di_internal_clk_enable(void);
s32 di_internal_clk_disable(void);

#endif