cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vsp1.h (2675B)

      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__ */