1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Samsung S5P G2D - 2D Graphics Accelerator Driver 4 * 5 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 6 * Kamil Debski, <k.debski@samsung.com> 7 */ 8 9#include <linux/platform_device.h> 10#include <media/v4l2-device.h> 11#include <media/v4l2-ctrls.h> 12 13#define G2D_NAME "s5p-g2d" 14#define TYPE_G2D_3X 3 15#define TYPE_G2D_4X 4 16 17struct g2d_dev { 18 struct v4l2_device v4l2_dev; 19 struct v4l2_m2m_dev *m2m_dev; 20 struct video_device *vfd; 21 struct mutex mutex; 22 spinlock_t ctrl_lock; 23 atomic_t num_inst; 24 void __iomem *regs; 25 struct clk *clk; 26 struct clk *gate; 27 struct g2d_ctx *curr; 28 struct g2d_variant *variant; 29 int irq; 30}; 31 32struct g2d_frame { 33 /* Original dimensions */ 34 u32 width; 35 u32 height; 36 /* Crop size */ 37 u32 c_width; 38 u32 c_height; 39 /* Offset */ 40 u32 o_width; 41 u32 o_height; 42 /* Image format */ 43 struct g2d_fmt *fmt; 44 /* Variables that can calculated once and reused */ 45 u32 stride; 46 u32 bottom; 47 u32 right; 48 u32 size; 49}; 50 51struct g2d_ctx { 52 struct v4l2_fh fh; 53 struct g2d_dev *dev; 54 struct g2d_frame in; 55 struct g2d_frame out; 56 struct v4l2_ctrl *ctrl_hflip; 57 struct v4l2_ctrl *ctrl_vflip; 58 struct v4l2_ctrl_handler ctrl_handler; 59 u32 rop; 60 u32 flip; 61}; 62 63struct g2d_fmt { 64 u32 fourcc; 65 int depth; 66 u32 hw; 67}; 68 69struct g2d_variant { 70 unsigned short hw_rev; 71}; 72 73void g2d_reset(struct g2d_dev *d); 74void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f); 75void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a); 76void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f); 77void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a); 78void g2d_start(struct g2d_dev *d); 79void g2d_clear_int(struct g2d_dev *d); 80void g2d_set_rop4(struct g2d_dev *d, u32 r); 81void g2d_set_flip(struct g2d_dev *d, u32 r); 82void g2d_set_v41_stretch(struct g2d_dev *d, 83 struct g2d_frame *src, struct g2d_frame *dst); 84void g2d_set_cmd(struct g2d_dev *d, u32 c); 85