[go: nahoru, domu]
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