/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Samsung S5P G2D - 2D Graphics Accelerator Driver * * Copyright (c) 2011 Samsung Electronics Co., Ltd. * Kamil Debski, <k.debski@samsung.com> */ #include <linux/platform_device.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #define G2D_NAME "s5p-g2d" #define TYPE_G2D_3X 3 #define TYPE_G2D_4X 4 struct g2d_dev { struct v4l2_device v4l2_dev; struct v4l2_m2m_dev *m2m_dev; struct video_device *vfd; struct mutex mutex; spinlock_t ctrl_lock; atomic_t num_inst; void __iomem *regs; struct clk *clk; struct clk *gate; struct g2d_ctx *curr; struct g2d_variant *variant; int irq; }; struct g2d_frame { /* Original dimensions */ u32 width; u32 height; /* Crop size */ u32 c_width; u32 c_height; /* Offset */ u32 o_width; u32 o_height; /* Image format */ struct g2d_fmt *fmt; /* Variables that can calculated once and reused */ u32 stride; u32 bottom; u32 right; u32 size; }; struct g2d_ctx { struct v4l2_fh fh; struct g2d_dev *dev; struct g2d_frame in; struct g2d_frame out; struct v4l2_ctrl *ctrl_hflip; struct v4l2_ctrl *ctrl_vflip; struct v4l2_ctrl_handler ctrl_handler; u32 rop; u32 flip; }; struct g2d_fmt { char *name; u32 fourcc; int depth; u32 hw; }; struct g2d_variant { unsigned short hw_rev; }; void g2d_reset(struct g2d_dev *d); void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f); void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a); void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f); void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a); void g2d_start(struct g2d_dev *d); void g2d_clear_int(struct g2d_dev *d); void g2d_set_rop4(struct g2d_dev *d, u32 r); void g2d_set_flip(struct g2d_dev *d, u32 r); void g2d_set_v41_stretch(struct g2d_dev *d, struct g2d_frame *src, struct g2d_frame *dst); void g2d_set_cmd(struct g2d_dev *d, u32 c);