1517b03923
Display lists contain lists of registers and associated values to be applied atomically by the hardware. They lower the pressure on interrupt processing delays when reprogramming the device as settings can be prepared well in advance and queued to the hardware without waiting for the end of the current frame. Display list support is currently limited to the DRM pipeline. Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
117 lines
2.4 KiB
C
117 lines
2.4 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 vsp1_dl;
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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_bru;
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struct vsp1_hsit;
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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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#define VSP1_MAX_RPF 5
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#define VSP1_MAX_UDS 3
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#define VSP1_MAX_WPF 4
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#define VSP1_HAS_LIF (1 << 0)
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#define VSP1_HAS_LUT (1 << 1)
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#define VSP1_HAS_SRU (1 << 2)
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#define VSP1_HAS_BRU (1 << 3)
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struct vsp1_platform_data {
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unsigned int features;
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unsigned int rpf_count;
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unsigned int uds_count;
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unsigned int wpf_count;
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unsigned int num_bru_inputs;
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bool uapi;
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};
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struct vsp1_device {
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struct device *dev;
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struct vsp1_platform_data pdata;
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void __iomem *mmio;
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struct clk *clock;
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struct mutex lock;
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int ref_count;
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struct vsp1_bru *bru;
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struct vsp1_hsit *hsi;
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struct vsp1_hsit *hst;
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struct vsp1_lif *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_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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bool use_dl;
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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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#include "vsp1_dl.h"
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static inline void vsp1_mod_write(struct vsp1_entity *e, u32 reg, u32 data)
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{
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if (e->vsp1->use_dl)
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vsp1_dl_add(e, reg, data);
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else
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vsp1_write(e->vsp1, reg, data);
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}
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#endif /* __VSP1_H__ */
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