/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Allwinner DE2 rotation driver
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*
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* Copyright (C) 2020 Jernej Skrabec <jernej.skrabec@siol.net>
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*/
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#ifndef _SUN8I_ROTATE_H_
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#define _SUN8I_ROTATE_H_
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-mem2mem.h>
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#include <media/videobuf2-v4l2.h>
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#include <media/videobuf2-dma-contig.h>
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#include <linux/platform_device.h>
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#define ROTATE_NAME "sun8i-rotate"
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#define ROTATE_GLB_CTL 0x00
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#define ROTATE_GLB_CTL_START BIT(31)
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#define ROTATE_GLB_CTL_RESET BIT(30)
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#define ROTATE_GLB_CTL_BURST_LEN(x) ((x) << 16)
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#define ROTATE_GLB_CTL_HFLIP BIT(7)
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#define ROTATE_GLB_CTL_VFLIP BIT(6)
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#define ROTATE_GLB_CTL_ROTATION(x) ((x) << 4)
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#define ROTATE_GLB_CTL_MODE(x) ((x) << 0)
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#define ROTATE_INT 0x04
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#define ROTATE_INT_FINISH_IRQ_EN BIT(16)
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#define ROTATE_INT_FINISH_IRQ BIT(0)
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#define ROTATE_IN_FMT 0x20
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#define ROTATE_IN_FMT_FORMAT(x) ((x) << 0)
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#define ROTATE_IN_SIZE 0x24
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#define ROTATE_IN_PITCH0 0x30
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#define ROTATE_IN_PITCH1 0x34
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#define ROTATE_IN_PITCH2 0x38
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#define ROTATE_IN_ADDRL0 0x40
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#define ROTATE_IN_ADDRH0 0x44
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#define ROTATE_IN_ADDRL1 0x48
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#define ROTATE_IN_ADDRH1 0x4c
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#define ROTATE_IN_ADDRL2 0x50
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#define ROTATE_IN_ADDRH2 0x54
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#define ROTATE_OUT_SIZE 0x84
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#define ROTATE_OUT_PITCH0 0x90
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#define ROTATE_OUT_PITCH1 0x94
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#define ROTATE_OUT_PITCH2 0x98
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#define ROTATE_OUT_ADDRL0 0xA0
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#define ROTATE_OUT_ADDRH0 0xA4
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#define ROTATE_OUT_ADDRL1 0xA8
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#define ROTATE_OUT_ADDRH1 0xAC
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#define ROTATE_OUT_ADDRL2 0xB0
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#define ROTATE_OUT_ADDRH2 0xB4
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#define ROTATE_BURST_8 0x07
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#define ROTATE_BURST_16 0x0f
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#define ROTATE_BURST_32 0x1f
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#define ROTATE_BURST_64 0x3f
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#define ROTATE_MODE_COPY_ROTATE 0x01
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#define ROTATE_FORMAT_ARGB32 0x00
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#define ROTATE_FORMAT_ABGR32 0x01
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#define ROTATE_FORMAT_RGBA32 0x02
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#define ROTATE_FORMAT_BGRA32 0x03
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#define ROTATE_FORMAT_XRGB32 0x04
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#define ROTATE_FORMAT_XBGR32 0x05
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#define ROTATE_FORMAT_RGBX32 0x06
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#define ROTATE_FORMAT_BGRX32 0x07
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#define ROTATE_FORMAT_RGB24 0x08
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#define ROTATE_FORMAT_BGR24 0x09
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#define ROTATE_FORMAT_RGB565 0x0a
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#define ROTATE_FORMAT_BGR565 0x0b
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#define ROTATE_FORMAT_ARGB4444 0x0c
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#define ROTATE_FORMAT_ABGR4444 0x0d
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#define ROTATE_FORMAT_RGBA4444 0x0e
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#define ROTATE_FORMAT_BGRA4444 0x0f
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#define ROTATE_FORMAT_ARGB1555 0x10
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#define ROTATE_FORMAT_ABGR1555 0x11
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#define ROTATE_FORMAT_RGBA5551 0x12
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#define ROTATE_FORMAT_BGRA5551 0x13
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#define ROTATE_FORMAT_YUYV 0x20
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#define ROTATE_FORMAT_UYVY 0x21
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#define ROTATE_FORMAT_YVYU 0x22
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#define ROTATE_FORMAT_VYUV 0x23
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#define ROTATE_FORMAT_NV61 0x24
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#define ROTATE_FORMAT_NV16 0x25
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#define ROTATE_FORMAT_YUV422P 0x26
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#define ROTATE_FORMAT_NV21 0x28
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#define ROTATE_FORMAT_NV12 0x29
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#define ROTATE_FORMAT_YUV420P 0x2A
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#define ROTATE_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1))
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#define ROTATE_MIN_WIDTH 8U
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#define ROTATE_MIN_HEIGHT 8U
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#define ROTATE_MAX_WIDTH 4096U
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#define ROTATE_MAX_HEIGHT 4096U
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struct rotate_ctx {
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struct v4l2_fh fh;
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struct rotate_dev *dev;
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struct v4l2_pix_format src_fmt;
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struct v4l2_pix_format dst_fmt;
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struct v4l2_ctrl_handler ctrl_handler;
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u32 hflip;
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u32 vflip;
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u32 rotate;
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};
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struct rotate_dev {
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struct v4l2_device v4l2_dev;
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struct video_device vfd;
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struct device *dev;
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struct v4l2_m2m_dev *m2m_dev;
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/* Device file mutex */
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struct mutex dev_mutex;
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void __iomem *base;
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struct clk *bus_clk;
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struct clk *mod_clk;
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struct reset_control *rstc;
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};
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#endif
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