/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd * Author: Jacob Chen <jacob-chen@iotwrt.com> */ #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; struct v4l2_pix_format_mplane pix; /* Variables that can calculated once and reused */ u32 stride; u32 size; }; struct rga_dma_desc { u32 addr; }; 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; }; struct rga_addr_offset { unsigned int y_off; unsigned int u_off; unsigned int v_off; }; struct rga_vb_buffer { struct vb2_v4l2_buffer vb_buf; struct list_head queue; /* RGA MMU mapping for this buffer */ struct rga_dma_desc *dma_desc; dma_addr_t dma_desc_pa; size_t n_desc; /* Plane offsets of this buffer into the mapping */ struct rga_addr_offset offset; }; static inline struct rga_vb_buffer *vb_to_rga(struct vb2_v4l2_buffer *vb) { return container_of(vb, struct rga_vb_buffer, vb_buf); } 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