1/* 2 * vsp1.h -- R-Car VSP1 Driver 3 * 4 * Copyright (C) 2013-2014 Renesas Electronics Corporation 5 * 6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13#ifndef __VSP1_H__ 14#define __VSP1_H__ 15 16#include <linux/io.h> 17#include <linux/list.h> 18#include <linux/mutex.h> 19#include <linux/platform_data/vsp1.h> 20 21#include <media/media-device.h> 22#include <media/v4l2-device.h> 23#include <media/v4l2-subdev.h> 24 25#include "vsp1_regs.h" 26 27struct clk; 28struct device; 29 30struct vsp1_platform_data; 31struct vsp1_bru; 32struct vsp1_hsit; 33struct vsp1_lif; 34struct vsp1_lut; 35struct vsp1_rwpf; 36struct vsp1_sru; 37struct vsp1_uds; 38 39#define VSP1_MAX_RPF 5 40#define VSP1_MAX_UDS 3 41#define VSP1_MAX_WPF 4 42 43struct vsp1_device { 44 struct device *dev; 45 struct vsp1_platform_data *pdata; 46 47 void __iomem *mmio; 48 struct clk *clock; 49 50 struct mutex lock; 51 int ref_count; 52 53 struct vsp1_bru *bru; 54 struct vsp1_hsit *hsi; 55 struct vsp1_hsit *hst; 56 struct vsp1_lif *lif; 57 struct vsp1_lut *lut; 58 struct vsp1_rwpf *rpf[VSP1_MAX_RPF]; 59 struct vsp1_sru *sru; 60 struct vsp1_uds *uds[VSP1_MAX_UDS]; 61 struct vsp1_rwpf *wpf[VSP1_MAX_WPF]; 62 63 struct list_head entities; 64 65 struct v4l2_device v4l2_dev; 66 struct media_device media_dev; 67}; 68 69int vsp1_device_get(struct vsp1_device *vsp1); 70void vsp1_device_put(struct vsp1_device *vsp1); 71 72static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg) 73{ 74 return ioread32(vsp1->mmio + reg); 75} 76 77static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data) 78{ 79 iowrite32(data, vsp1->mmio + reg); 80} 81 82#endif /* __VSP1_H__ */ 83