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* vsp1.h -- R-Car VSP1 Driver
* Copyright (C) 2013-2014 Renesas Electronics Corporation
* Contact: Laurent Pinchart (
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
#ifndef __VSP1_H__
#define __VSP1_H__
#include <linux/io.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <media/media-device.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include "vsp1_regs.h"
struct clk;
struct device;
struct vsp1_platform_data;
struct vsp1_bru;
struct vsp1_hsit;
struct vsp1_lif;
struct vsp1_lut;
struct vsp1_rwpf;
struct vsp1_sru;
struct vsp1_uds;
#define VSP1_MAX_RPF 5
#define VSP1_MAX_UDS 3
#define VSP1_MAX_WPF 4
#define VSP1_HAS_LIF (1 << 0)
#define VSP1_HAS_LUT (1 << 1)
#define VSP1_HAS_SRU (1 << 2)
struct vsp1_platform_data {
unsigned int features;
unsigned int rpf_count;
unsigned int uds_count;
unsigned int wpf_count;
struct vsp1_device {
struct device *dev;
struct vsp1_platform_data pdata;
void __iomem *mmio;
struct clk *clock;
struct mutex lock;
int ref_count;
struct vsp1_bru *bru;
struct vsp1_hsit *hsi;
struct vsp1_hsit *hst;
struct vsp1_lif *lif;
struct vsp1_lut *lut;
struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
struct vsp1_sru *sru;
struct vsp1_uds *uds[VSP1_MAX_UDS];
struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
struct list_head entities;
struct v4l2_device v4l2_dev;
struct media_device media_dev;
int vsp1_device_get(struct vsp1_device *vsp1);
void vsp1_device_put(struct vsp1_device *vsp1);
static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
return ioread32(vsp1->mmio + reg);
static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
iowrite32(data, vsp1->mmio + reg);
#endif /* __VSP1_H__ */