9c92ab6191
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
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* Author: Jacob Chen <jacob-chen@iotwrt.com>
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*/
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#ifndef __RGA_H__
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#define __RGA_H__
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#include <linux/platform_device.h>
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#include <media/videobuf2-v4l2.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#define RGA_NAME "rockchip-rga"
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struct rga_fmt {
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u32 fourcc;
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int depth;
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u8 uv_factor;
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u8 y_div;
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u8 x_div;
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u8 color_swap;
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u8 hw_format;
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};
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struct rga_frame {
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/* Original dimensions */
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u32 width;
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u32 height;
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u32 colorspace;
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/* Crop */
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struct v4l2_rect crop;
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/* Image format */
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struct rga_fmt *fmt;
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/* Variables that can calculated once and reused */
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u32 stride;
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u32 size;
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};
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struct rockchip_rga_version {
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u32 major;
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u32 minor;
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};
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struct rga_ctx {
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struct v4l2_fh fh;
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struct rockchip_rga *rga;
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struct rga_frame in;
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struct rga_frame out;
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struct v4l2_ctrl_handler ctrl_handler;
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/* Control values */
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u32 op;
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u32 hflip;
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u32 vflip;
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u32 rotate;
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u32 fill_color;
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};
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struct rockchip_rga {
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struct v4l2_device v4l2_dev;
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struct v4l2_m2m_dev *m2m_dev;
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struct video_device *vfd;
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struct device *dev;
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struct regmap *grf;
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void __iomem *regs;
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struct clk *sclk;
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struct clk *aclk;
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struct clk *hclk;
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struct rockchip_rga_version version;
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/* vfd lock */
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struct mutex mutex;
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/* ctrl parm lock */
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spinlock_t ctrl_lock;
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struct rga_ctx *curr;
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dma_addr_t cmdbuf_phy;
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void *cmdbuf_virt;
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unsigned int *src_mmu_pages;
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unsigned int *dst_mmu_pages;
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};
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struct rga_frame *rga_get_frame(struct rga_ctx *ctx, enum v4l2_buf_type type);
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/* RGA Buffers Manage */
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extern const struct vb2_ops rga_qops;
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void rga_buf_map(struct vb2_buffer *vb);
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/* RGA Hardware */
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static inline void rga_write(struct rockchip_rga *rga, u32 reg, u32 value)
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{
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writel(value, rga->regs + reg);
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};
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static inline u32 rga_read(struct rockchip_rga *rga, u32 reg)
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{
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return readl(rga->regs + reg);
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};
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static inline void rga_mod(struct rockchip_rga *rga, u32 reg, u32 val, u32 mask)
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{
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u32 temp = rga_read(rga, reg) & ~(mask);
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temp |= val & mask;
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rga_write(rga, reg, temp);
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};
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void rga_hw_start(struct rockchip_rga *rga);
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#endif
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