mirror of https://gitee.com/openkylin/linux.git
124 lines
2.5 KiB
C
124 lines
2.5 KiB
C
/*
|
|
* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
|
|
* Author: Jacob Chen <jacob-chen@iotwrt.com>
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* 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.
|
|
*/
|
|
#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 "rockchip-rga"
|
|
|
|
struct rga_fmt {
|
|
u32 fourcc;
|
|
int depth;
|
|
u8 uv_factor;
|
|
u8 y_div;
|
|
u8 x_div;
|
|
u8 color_swap;
|
|
u8 hw_format;
|
|
};
|
|
|
|
struct rga_frame {
|
|
/* Original dimensions */
|
|
u32 width;
|
|
u32 height;
|
|
u32 colorspace;
|
|
|
|
/* Crop */
|
|
struct v4l2_rect crop;
|
|
|
|
/* Image format */
|
|
struct rga_fmt *fmt;
|
|
|
|
/* Variables that can calculated once and reused */
|
|
u32 stride;
|
|
u32 size;
|
|
};
|
|
|
|
struct rockchip_rga_version {
|
|
u32 major;
|
|
u32 minor;
|
|
};
|
|
|
|
struct rga_ctx {
|
|
struct v4l2_fh fh;
|
|
struct rockchip_rga *rga;
|
|
struct rga_frame in;
|
|
struct rga_frame out;
|
|
struct v4l2_ctrl_handler ctrl_handler;
|
|
|
|
/* Control values */
|
|
u32 op;
|
|
u32 hflip;
|
|
u32 vflip;
|
|
u32 rotate;
|
|
u32 fill_color;
|
|
};
|
|
|
|
struct rockchip_rga {
|
|
struct v4l2_device v4l2_dev;
|
|
struct v4l2_m2m_dev *m2m_dev;
|
|
struct video_device *vfd;
|
|
|
|
struct device *dev;
|
|
struct regmap *grf;
|
|
void __iomem *regs;
|
|
struct clk *sclk;
|
|
struct clk *aclk;
|
|
struct clk *hclk;
|
|
struct rockchip_rga_version version;
|
|
|
|
/* vfd lock */
|
|
struct mutex mutex;
|
|
/* ctrl parm lock */
|
|
spinlock_t ctrl_lock;
|
|
|
|
struct rga_ctx *curr;
|
|
dma_addr_t cmdbuf_phy;
|
|
void *cmdbuf_virt;
|
|
unsigned int *src_mmu_pages;
|
|
unsigned int *dst_mmu_pages;
|
|
};
|
|
|
|
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;
|
|
void rga_buf_map(struct vb2_buffer *vb);
|
|
|
|
/* 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);
|
|
|
|
#endif
|