1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Allwinner DE2 rotation driver 4 * 5 * Copyright (C) 2020 Jernej Skrabec <jernej.skrabec@siol.net> 6 */ 7 8#ifndef _SUN8I_ROTATE_H_ 9#define _SUN8I_ROTATE_H_ 10 11#include <media/v4l2-ctrls.h> 12#include <media/v4l2-device.h> 13#include <media/v4l2-mem2mem.h> 14#include <media/videobuf2-v4l2.h> 15#include <media/videobuf2-dma-contig.h> 16 17#include <linux/platform_device.h> 18 19#define ROTATE_NAME "sun8i-rotate" 20 21#define ROTATE_GLB_CTL 0x00 22#define ROTATE_GLB_CTL_START BIT(31) 23#define ROTATE_GLB_CTL_RESET BIT(30) 24#define ROTATE_GLB_CTL_BURST_LEN(x) ((x) << 16) 25#define ROTATE_GLB_CTL_HFLIP BIT(7) 26#define ROTATE_GLB_CTL_VFLIP BIT(6) 27#define ROTATE_GLB_CTL_ROTATION(x) ((x) << 4) 28#define ROTATE_GLB_CTL_MODE(x) ((x) << 0) 29 30#define ROTATE_INT 0x04 31#define ROTATE_INT_FINISH_IRQ_EN BIT(16) 32#define ROTATE_INT_FINISH_IRQ BIT(0) 33 34#define ROTATE_IN_FMT 0x20 35#define ROTATE_IN_FMT_FORMAT(x) ((x) << 0) 36 37#define ROTATE_IN_SIZE 0x24 38#define ROTATE_IN_PITCH0 0x30 39#define ROTATE_IN_PITCH1 0x34 40#define ROTATE_IN_PITCH2 0x38 41#define ROTATE_IN_ADDRL0 0x40 42#define ROTATE_IN_ADDRH0 0x44 43#define ROTATE_IN_ADDRL1 0x48 44#define ROTATE_IN_ADDRH1 0x4c 45#define ROTATE_IN_ADDRL2 0x50 46#define ROTATE_IN_ADDRH2 0x54 47#define ROTATE_OUT_SIZE 0x84 48#define ROTATE_OUT_PITCH0 0x90 49#define ROTATE_OUT_PITCH1 0x94 50#define ROTATE_OUT_PITCH2 0x98 51#define ROTATE_OUT_ADDRL0 0xA0 52#define ROTATE_OUT_ADDRH0 0xA4 53#define ROTATE_OUT_ADDRL1 0xA8 54#define ROTATE_OUT_ADDRH1 0xAC 55#define ROTATE_OUT_ADDRL2 0xB0 56#define ROTATE_OUT_ADDRH2 0xB4 57 58#define ROTATE_BURST_8 0x07 59#define ROTATE_BURST_16 0x0f 60#define ROTATE_BURST_32 0x1f 61#define ROTATE_BURST_64 0x3f 62 63#define ROTATE_MODE_COPY_ROTATE 0x01 64 65#define ROTATE_FORMAT_ARGB32 0x00 66#define ROTATE_FORMAT_ABGR32 0x01 67#define ROTATE_FORMAT_RGBA32 0x02 68#define ROTATE_FORMAT_BGRA32 0x03 69#define ROTATE_FORMAT_XRGB32 0x04 70#define ROTATE_FORMAT_XBGR32 0x05 71#define ROTATE_FORMAT_RGBX32 0x06 72#define ROTATE_FORMAT_BGRX32 0x07 73#define ROTATE_FORMAT_RGB24 0x08 74#define ROTATE_FORMAT_BGR24 0x09 75#define ROTATE_FORMAT_RGB565 0x0a 76#define ROTATE_FORMAT_BGR565 0x0b 77#define ROTATE_FORMAT_ARGB4444 0x0c 78#define ROTATE_FORMAT_ABGR4444 0x0d 79#define ROTATE_FORMAT_RGBA4444 0x0e 80#define ROTATE_FORMAT_BGRA4444 0x0f 81#define ROTATE_FORMAT_ARGB1555 0x10 82#define ROTATE_FORMAT_ABGR1555 0x11 83#define ROTATE_FORMAT_RGBA5551 0x12 84#define ROTATE_FORMAT_BGRA5551 0x13 85 86#define ROTATE_FORMAT_YUYV 0x20 87#define ROTATE_FORMAT_UYVY 0x21 88#define ROTATE_FORMAT_YVYU 0x22 89#define ROTATE_FORMAT_VYUV 0x23 90#define ROTATE_FORMAT_NV61 0x24 91#define ROTATE_FORMAT_NV16 0x25 92#define ROTATE_FORMAT_YUV422P 0x26 93#define ROTATE_FORMAT_NV21 0x28 94#define ROTATE_FORMAT_NV12 0x29 95#define ROTATE_FORMAT_YUV420P 0x2A 96 97#define ROTATE_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1)) 98 99#define ROTATE_MIN_WIDTH 8U 100#define ROTATE_MIN_HEIGHT 8U 101#define ROTATE_MAX_WIDTH 4096U 102#define ROTATE_MAX_HEIGHT 4096U 103 104struct rotate_ctx { 105 struct v4l2_fh fh; 106 struct rotate_dev *dev; 107 108 struct v4l2_pix_format src_fmt; 109 struct v4l2_pix_format dst_fmt; 110 111 struct v4l2_ctrl_handler ctrl_handler; 112 113 u32 hflip; 114 u32 vflip; 115 u32 rotate; 116}; 117 118struct rotate_dev { 119 struct v4l2_device v4l2_dev; 120 struct video_device vfd; 121 struct device *dev; 122 struct v4l2_m2m_dev *m2m_dev; 123 124 /* Device file mutex */ 125 struct mutex dev_mutex; 126 127 void __iomem *base; 128 129 struct clk *bus_clk; 130 struct clk *mod_clk; 131 132 struct reset_control *rstc; 133}; 134 135#endif 136