sun8i-rotate.h

  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