linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * SuperH Video Output Unit (VOU) driver

 *

 * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>

 */

​

#include <linux/dma-mapping.h>

#include <linux/delay.h>

#include <linux/errno.h>

#include <linux/fs.h>

#include <linux/i2c.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>

#include <linux/slab.h>

#include <linux/videodev2.h>

#include <linux/module.h>

​

#include <media/drv-intf/sh_vou.h>

#include <media/v4l2-common.h>

#include <media/v4l2-device.h>

#include <media/v4l2-ioctl.h>

#include <media/v4l2-mediabus.h>

#include <media/videobuf2-v4l2.h>

#include <media/videobuf2-dma-contig.h>

​

/* Mirror addresses are not available for all registers */

#define VOUER   0

#define VOUCR   4

#define VOUSTR  8

#define VOUVCR  0xc

#define VOUISR  0x10

#define VOUBCR  0x14

#define VOUDPR  0x18

#define VOUDSR  0x1c

#define VOUVPR  0x20

#define VOUIR   0x24

#define VOUSRR  0x28

#define VOUMSR  0x2c

#define VOUHIR  0x30

#define VOUDFR  0x34

#define VOUAD1R 0x38

#define VOUAD2R 0x3c

#define VOUAIR  0x40

#define VOUSWR  0x44

#define VOURCR  0x48

#define VOURPR  0x50

​

enum sh_vou_status {

    SH_VOU_IDLE,

    SH_VOU_INITIALISING,

    SH_VOU_RUNNING,

};

​

#define VOU_MIN_IMAGE_WIDTH 16

#define VOU_MAX_IMAGE_WIDTH 720

#define VOU_MIN_IMAGE_HEIGHT    16

​

struct sh_vou_buffer {

    struct vb2_v4l2_buffer vb;