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
  22 struct clk;
  23 struct device;
  24 struct rcar_fcp_device;
  25
  26 struct vsp1_drm;
  27 struct vsp1_entity;
  28 struct vsp1_platform_data;
  29 struct vsp1_brx;
  30 struct vsp1_clu;
  31 struct vsp1_hgo;
  32 struct vsp1_hgt;
  33 struct vsp1_hsit;
  34 struct vsp1_lif;
  35 struct vsp1_lut;
  36 struct vsp1_rwpf;
  37 struct vsp1_sru;
  38 struct vsp1_uds;
  39 struct 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
  58 struct 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
  74 struct 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
 108 int vsp1_device_get(struct vsp1_device *vsp1);
 109 void vsp1_device_put(struct vsp1_device *vsp1);
 110
 111 int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);
 112
 113 static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
 114 {
 115         return ioread32(vsp1->mmio + reg);
 116 }
 117
 118 static 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__ */