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;
 25
 26struct vsp1_drm;
 27struct vsp1_entity;
 28struct vsp1_platform_data;
 29struct vsp1_brx;
 30struct vsp1_clu;
 31struct vsp1_hgo;
 32struct vsp1_hgt;
 33struct vsp1_hsit;
 34struct vsp1_lif;
 35struct vsp1_lut;
 36struct vsp1_rwpf;
 37struct vsp1_sru;
 38struct vsp1_uds;
 39struct vsp1_uif;
 40
 41#define VSP1_MAX_LIF		2
 42#define VSP1_MAX_RPF		5
 43#define VSP1_MAX_UDS		3
 44#define VSP1_MAX_UIF		2
 45#define VSP1_MAX_WPF		4
 46
 47#define VSP1_HAS_LUT		(1 << 1)
 48#define VSP1_HAS_SRU		(1 << 2)
 49#define VSP1_HAS_BRU		(1 << 3)
 50#define VSP1_HAS_CLU		(1 << 4)
 51#define VSP1_HAS_WPF_VFLIP	(1 << 5)
 52#define VSP1_HAS_WPF_HFLIP	(1 << 6)
 53#define VSP1_HAS_HGO		(1 << 7)
 54#define VSP1_HAS_HGT		(1 << 8)
 55#define VSP1_HAS_BRS		(1 << 9)
 56#define VSP1_HAS_EXT_DL		(1 << 10)
 57
 58struct vsp1_device_info {
 59	u32 version;
 60	const char *model;
 61	unsigned int gen;
 62	unsigned int features;
 63	unsigned int lif_count;
 64	unsigned int rpf_count;
 65	unsigned int uds_count;
 66	unsigned int uif_count;
 67	unsigned int wpf_count;
 68	unsigned int num_bru_inputs;
 69	bool uapi;
 70};
 71
 72#define vsp1_feature(vsp1, f) ((vsp1)->info->features & (f))
 73
 74struct vsp1_device {
 75	struct device *dev;
 76	const struct vsp1_device_info *info;
 77	u32 version;
 78
 79	void __iomem *mmio;
 80	struct rcar_fcp_device *fcp;
 81	struct device *bus_master;
 82
 83	struct vsp1_brx *brs;
 84	struct vsp1_brx *bru;
 85	struct vsp1_clu *clu;
 86	struct vsp1_hgo *hgo;
 87	struct vsp1_hgt *hgt;
 88	struct vsp1_hsit *hsi;
 89	struct vsp1_hsit *hst;
 90	struct vsp1_lif *lif[VSP1_MAX_LIF];
 91	struct vsp1_lut *lut;
 92	struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
 93	struct vsp1_sru *sru;
 94	struct vsp1_uds *uds[VSP1_MAX_UDS];
 95	struct vsp1_uif *uif[VSP1_MAX_UIF];
 96	struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
 97
 98	struct list_head entities;
 99	struct list_head videos;
100
101	struct v4l2_device v4l2_dev;
102	struct media_device media_dev;
103	struct media_entity_operations media_ops;
104
105	struct vsp1_drm *drm;
106};
107
108int vsp1_device_get(struct vsp1_device *vsp1);
109void vsp1_device_put(struct vsp1_device *vsp1);
110
111int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);
112
113static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
114{
115	return ioread32(vsp1->mmio + reg);
116}
117
118static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
119{
120	iowrite32(data, vsp1->mmio + reg);
121}
122
123#endif /* __VSP1_H__ */