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d06c1a9f34
Add support for VSPX, a specialized version of the VSP2 that transfers data to the ISP. The VSPX is composed of two RPF units to read data from external memory and an IIF instance that performs transfer towards the ISP. The VSPX is supported through a newly introduced vsp1_vspx.c file that exposes two interfaces: vsp1_vspx interface, declared in vsp1_vspx.h for the vsp1 core to initialize and cleanup the VSPX, and a vsp1_isp interface, declared in include/media/vsp1.h for the ISP driver to control the VSPX operations. Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com> Link: https://lore.kernel.org/r/20250617-b4-vspx-v13-1-9f4054c1c9af@ideasonboard.com Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* vsp1.h -- R-Car VSP1 Driver
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*
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* Copyright (C) 2013-2014 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*/
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#ifndef __VSP1_H__
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#define __VSP1_H__
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#include <linux/io.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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#include <media/media-device.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-subdev.h>
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#include "vsp1_regs.h"
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struct clk;
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struct device;
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struct rcar_fcp_device;
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struct reset_control;
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struct vsp1_drm;
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struct vsp1_entity;
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struct vsp1_platform_data;
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struct vsp1_brx;
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struct vsp1_clu;
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struct vsp1_hgo;
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struct vsp1_hgt;
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struct vsp1_hsit;
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struct vsp1_iif;
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struct vsp1_lif;
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struct vsp1_lut;
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struct vsp1_rwpf;
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struct vsp1_sru;
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struct vsp1_uds;
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struct vsp1_uif;
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#define VSP1_MAX_LIF 2
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#define VSP1_MAX_RPF 5
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#define VSP1_MAX_UDS 3
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#define VSP1_MAX_UIF 2
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#define VSP1_MAX_WPF 4
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#define VSP1_HAS_LUT BIT(1)
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#define VSP1_HAS_SRU BIT(2)
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#define VSP1_HAS_BRU BIT(3)
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#define VSP1_HAS_CLU BIT(4)
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#define VSP1_HAS_WPF_VFLIP BIT(5)
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#define VSP1_HAS_WPF_HFLIP BIT(6)
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#define VSP1_HAS_HGO BIT(7)
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#define VSP1_HAS_HGT BIT(8)
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#define VSP1_HAS_BRS BIT(9)
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#define VSP1_HAS_EXT_DL BIT(10)
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#define VSP1_HAS_NON_ZERO_LBA BIT(11)
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#define VSP1_HAS_IIF BIT(12)
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#define VSP1_HAS_HSIT BIT(13)
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struct vsp1_device_info {
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u32 version;
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const char *model;
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unsigned int gen;
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unsigned int features;
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unsigned int lif_count;
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unsigned int rpf_count;
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unsigned int uds_count;
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unsigned int uif_count;
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unsigned int wpf_count;
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unsigned int num_bru_inputs;
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u8 soc;
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bool uapi;
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};
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#define vsp1_feature(vsp1, f) ((vsp1)->info->features & (f))
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struct vsp1_device {
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struct device *dev;
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const struct vsp1_device_info *info;
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u32 version;
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void __iomem *mmio;
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struct rcar_fcp_device *fcp;
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struct device *bus_master;
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struct reset_control *rstc;
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struct vsp1_brx *brs;
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struct vsp1_brx *bru;
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struct vsp1_clu *clu;
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struct vsp1_hgo *hgo;
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struct vsp1_hgt *hgt;
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struct vsp1_hsit *hsi;
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struct vsp1_hsit *hst;
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struct vsp1_iif *iif;
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struct vsp1_lif *lif[VSP1_MAX_LIF];
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struct vsp1_lut *lut;
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struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
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struct vsp1_sru *sru;
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struct vsp1_uds *uds[VSP1_MAX_UDS];
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struct vsp1_uif *uif[VSP1_MAX_UIF];
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struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
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struct list_head entities;
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struct list_head videos;
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struct v4l2_device v4l2_dev;
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struct media_device media_dev;
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struct media_entity_operations media_ops;
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struct vsp1_drm *drm;
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struct vsp1_vspx *vspx;
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};
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int vsp1_device_get(struct vsp1_device *vsp1);
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void vsp1_device_put(struct vsp1_device *vsp1);
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int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);
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static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
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{
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return ioread32(vsp1->mmio + reg);
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}
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static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
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{
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iowrite32(data, vsp1->mmio + reg);
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}
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#endif /* __VSP1_H__ */
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