/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * vsp1.h  --  R-Car VSP1 Driver
 *
 * Copyright (C) 2013-2014 Renesas Electronics Corporation
 *
 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
 */
#ifndef __VSP1_H__
#define __VSP1_H__

#include <linux/io.h>
#include <linux/list.h>
#include <linux/mutex.h>

#include <media/media-device.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>

#include "vsp1_regs.h"

struct clk;
struct device;
struct rcar_fcp_device;
struct reset_control;

struct vsp1_drm;
struct vsp1_entity;
struct vsp1_platform_data;
struct vsp1_brx;
struct vsp1_clu;
struct vsp1_hgo;
struct vsp1_hgt;
struct vsp1_hsit;
struct vsp1_iif;
struct vsp1_lif;
struct vsp1_lut;
struct vsp1_rwpf;
struct vsp1_sru;
struct vsp1_uds;
struct vsp1_uif;

#define VSP1_MAX_LIF            2
#define VSP1_MAX_RPF            5
#define VSP1_MAX_UDS            3
#define VSP1_MAX_UIF            2
#define VSP1_MAX_WPF            4

#define VSP1_HAS_LUT            BIT(1)
#define VSP1_HAS_SRU            BIT(2)
#define VSP1_HAS_BRU            BIT(3)
#define VSP1_HAS_CLU            BIT(4)
#define VSP1_HAS_WPF_VFLIP      BIT(5)
#define VSP1_HAS_WPF_HFLIP      BIT(6)
#define VSP1_HAS_HGO            BIT(7)
#define VSP1_HAS_HGT            BIT(8)
#define VSP1_HAS_BRS            BIT(9)
#define VSP1_HAS_EXT_DL         BIT(10)
#define VSP1_HAS_NON_ZERO_LBA   BIT(11)
#define VSP1_HAS_IIF            BIT(12)
#define VSP1_HAS_HSIT           BIT(13)

struct vsp1_device_info {
        u32 version;
        const char *model;
        unsigned int gen;
        unsigned int features;
        unsigned int lif_count;
        unsigned int rpf_count;
        unsigned int uds_count;
        unsigned int uif_count;
        unsigned int wpf_count;
        unsigned int num_bru_inputs;
        u8 soc;
        bool uapi;
};

#define vsp1_feature(vsp1, f) ((vsp1)->info->features & (f))

struct vsp1_device {
        struct device *dev;
        const struct vsp1_device_info *info;
        u32 version;

        void __iomem *mmio;
        struct rcar_fcp_device *fcp;
        struct device *bus_master;
        struct reset_control *rstc;

        struct vsp1_brx *brs;
        struct vsp1_brx *bru;
        struct vsp1_clu *clu;
        struct vsp1_hgo *hgo;
        struct vsp1_hgt *hgt;
        struct vsp1_hsit *hsi;
        struct vsp1_hsit *hst;
        struct vsp1_iif *iif;
        struct vsp1_lif *lif[VSP1_MAX_LIF];
        struct vsp1_lut *lut;
        struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
        struct vsp1_sru *sru;
        struct vsp1_uds *uds[VSP1_MAX_UDS];
        struct vsp1_uif *uif[VSP1_MAX_UIF];
        struct vsp1_rwpf *wpf[VSP1_MAX_WPF];

        struct list_head entities;
        struct list_head videos;

        struct v4l2_device v4l2_dev;
        struct media_device media_dev;
        struct media_entity_operations media_ops;

        struct vsp1_drm *drm;
        struct vsp1_vspx *vspx;
};

int vsp1_device_get(struct vsp1_device *vsp1);
void vsp1_device_put(struct vsp1_device *vsp1);

int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);

static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
{
        return ioread32(vsp1->mmio + reg);
}

static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
{
        iowrite32(data, vsp1->mmio + reg);
}

#endif /* __VSP1_H__ */