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

source code of linux/drivers/media/platform/renesas/vsp1/vsp1.h