linux/drivers/media/platform/rockchip/rga/rga.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
 * Author: Jacob Chen <[email protected]>
 */
#ifndef __RGA_H__
#define __RGA_H__

#include <linux/platform_device.h>
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>

#define RGA_NAME …

struct rga_fmt { … };

struct rga_frame { … };

struct rga_dma_desc { … };

struct rockchip_rga_version { … };

struct rga_ctx { … };

struct rockchip_rga { … };

struct rga_addr_offset { … };

struct rga_vb_buffer { … };

static inline struct rga_vb_buffer *vb_to_rga(struct vb2_v4l2_buffer *vb)
{ … }

struct rga_frame *rga_get_frame(struct rga_ctx *ctx, enum v4l2_buf_type type);

/* RGA Buffers Manage */
extern const struct vb2_ops rga_qops;

/* RGA Hardware */
static inline void rga_write(struct rockchip_rga *rga, u32 reg, u32 value)
{
	writel(value, rga->regs + reg);
};

static inline u32 rga_read(struct rockchip_rga *rga, u32 reg)
{
	return readl(rga->regs + reg);
};

static inline void rga_mod(struct rockchip_rga *rga, u32 reg, u32 val, u32 mask)
{
	u32 temp = rga_read(rga, reg) & ~(mask);

	temp |= val & mask;
	rga_write(rga, reg, temp);
};

void rga_hw_start(struct rockchip_rga *rga,
		  struct rga_vb_buffer *src, struct rga_vb_buffer *dst);

#endif