diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/platform/rockchip/rga/rga.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/rockchip/rga/rga.h')
-rw-r--r-- | drivers/media/platform/rockchip/rga/rga.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/media/platform/rockchip/rga/rga.h b/drivers/media/platform/rockchip/rga/rga.h new file mode 100644 index 0000000000..5fa9d2f366 --- /dev/null +++ b/drivers/media/platform/rockchip/rga/rga.h @@ -0,0 +1,115 @@ +/* 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; + + /* 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 |