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
20#include <media/media-device.h>
21#include <media/v4l2-device.h>
22#include <media/v4l2-subdev.h>
23
24#include "vsp1_regs.h"
25
26struct clk;
27struct device;
28
29struct vsp1_platform_data;
30struct vsp1_bru;
31struct vsp1_hsit;
32struct vsp1_lif;
33struct vsp1_lut;
34struct vsp1_rwpf;
35struct vsp1_sru;
36struct vsp1_uds;
37
38#define VSP1_MAX_RPF		5
39#define VSP1_MAX_UDS		3
40#define VSP1_MAX_WPF		4
41
42#define VSP1_HAS_LIF		(1 << 0)
43#define VSP1_HAS_LUT		(1 << 1)
44#define VSP1_HAS_SRU		(1 << 2)
45
46struct vsp1_platform_data {
47	unsigned int features;
48	unsigned int rpf_count;
49	unsigned int uds_count;
50	unsigned int wpf_count;
51};
52
53struct vsp1_device {
54	struct device *dev;
55	struct vsp1_platform_data pdata;
56
57	void __iomem *mmio;
58	struct clk *clock;
59
60	struct mutex lock;
61	int ref_count;
62
63	struct vsp1_bru *bru;
64	struct vsp1_hsit *hsi;
65	struct vsp1_hsit *hst;
66	struct vsp1_lif *lif;
67	struct vsp1_lut *lut;
68	struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
69	struct vsp1_sru *sru;
70	struct vsp1_uds *uds[VSP1_MAX_UDS];
71	struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
72
73	struct list_head entities;
74
75	struct v4l2_device v4l2_dev;
76	struct media_device media_dev;
77};
78
79int vsp1_device_get(struct vsp1_device *vsp1);
80void vsp1_device_put(struct vsp1_device *vsp1);
81
82static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
83{
84	return ioread32(vsp1->mmio + reg);
85}
86
87static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
88{
89	iowrite32(data, vsp1->mmio + reg);
90}
91
92#endif /* __VSP1_H__ */
93