1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * vsp1.h  --  R-Car VSP1 Driver
4 *
5 * Copyright (C) 2013-2014 Renesas Electronics Corporation
6 *
7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8 */
9#ifndef __VSP1_H__
10#define __VSP1_H__
11
12#include <linux/io.h>
13#include <linux/list.h>
14#include <linux/mutex.h>
15
16#include <media/media-device.h>
17#include <media/v4l2-device.h>
18#include <media/v4l2-subdev.h>
19
20#include "vsp1_regs.h"
21
22struct clk;
23struct device;
24struct rcar_fcp_device;
25struct reset_control;
26
27struct vsp1_drm;
28struct vsp1_entity;
29struct vsp1_platform_data;
30struct vsp1_brx;
31struct vsp1_clu;
32struct vsp1_hgo;
33struct vsp1_hgt;
34struct vsp1_hsit;
35struct vsp1_lif;
36struct vsp1_lut;
37struct vsp1_rwpf;
38struct vsp1_sru;
39struct vsp1_uds;
40struct vsp1_uif;
41
42#define VSP1_MAX_LIF		2
43#define VSP1_MAX_RPF		5
44#define VSP1_MAX_UDS		3
45#define VSP1_MAX_UIF		2
46#define VSP1_MAX_WPF		4
47
48#define VSP1_HAS_LUT		BIT(1)
49#define VSP1_HAS_SRU		BIT(2)
50#define VSP1_HAS_BRU		BIT(3)
51#define VSP1_HAS_CLU		BIT(4)
52#define VSP1_HAS_WPF_VFLIP	BIT(5)
53#define VSP1_HAS_WPF_HFLIP	BIT(6)
54#define VSP1_HAS_HGO		BIT(7)
55#define VSP1_HAS_HGT		BIT(8)
56#define VSP1_HAS_BRS		BIT(9)
57#define VSP1_HAS_EXT_DL		BIT(10)
58#define VSP1_HAS_NON_ZERO_LBA	BIT(11)
59
60struct vsp1_device_info {
61	u32 version;
62	const char *model;
63	unsigned int gen;
64	unsigned int features;
65	unsigned int lif_count;
66	unsigned int rpf_count;
67	unsigned int uds_count;
68	unsigned int uif_count;
69	unsigned int wpf_count;
70	unsigned int num_bru_inputs;
71	u8 soc;
72	bool uapi;
73};
74
75#define vsp1_feature(vsp1, f) ((vsp1)->info->features & (f))
76
77struct vsp1_device {
78	struct device *dev;
79	const struct vsp1_device_info *info;
80	u32 version;
81
82	void __iomem *mmio;
83	struct rcar_fcp_device *fcp;
84	struct device *bus_master;
85	struct reset_control *rstc;
86
87	struct vsp1_brx *brs;
88	struct vsp1_brx *bru;
89	struct vsp1_clu *clu;
90	struct vsp1_hgo *hgo;
91	struct vsp1_hgt *hgt;
92	struct vsp1_hsit *hsi;
93	struct vsp1_hsit *hst;
94	struct vsp1_lif *lif[VSP1_MAX_LIF];
95	struct vsp1_lut *lut;
96	struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
97	struct vsp1_sru *sru;
98	struct vsp1_uds *uds[VSP1_MAX_UDS];
99	struct vsp1_uif *uif[VSP1_MAX_UIF];
100	struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
101
102	struct list_head entities;
103	struct list_head videos;
104
105	struct v4l2_device v4l2_dev;
106	struct media_device media_dev;
107	struct media_entity_operations media_ops;
108
109	struct vsp1_drm *drm;
110};
111
112int vsp1_device_get(struct vsp1_device *vsp1);
113void vsp1_device_put(struct vsp1_device *vsp1);
114
115int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);
116
117static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
118{
119	return ioread32(vsp1->mmio + reg);
120}
121
122static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
123{
124	iowrite32(data, vsp1->mmio + reg);
125}
126
127#endif /* __VSP1_H__ */
128