LXR linux/drivers/media/platform/vsp1/vsp1.h

   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            BIT(1)
  48#define VSP1_HAS_SRU            BIT(2)
  49#define VSP1_HAS_BRU            BIT(3)
  50#define VSP1_HAS_CLU            BIT(4)
  51#define VSP1_HAS_WPF_VFLIP      BIT(5)
  52#define VSP1_HAS_WPF_HFLIP      BIT(6)
  53#define VSP1_HAS_HGO            BIT(7)
  54#define VSP1_HAS_HGT            BIT(8)
  55#define VSP1_HAS_BRS            BIT(9)
  56#define VSP1_HAS_EXT_DL         BIT(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__ */
 124