4bf8e1962f
The R-Car Display Unit (DU) DRM driver supports both superposition processors and all eight planes in RGB and YUV formats with alpha blending. Only VGA and LVDS encoders and connectors are currently supported. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* rcar_du_drv.h -- R-Car Display Unit DRM driver
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*
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* Copyright (C) 2013 Renesas 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 __RCAR_DU_DRV_H__
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#define __RCAR_DU_DRV_H__
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#include <linux/kernel.h>
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#include <linux/mutex.h>
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#include <linux/platform_data/rcar-du.h>
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#include "rcar_du_crtc.h"
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#include "rcar_du_plane.h"
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struct clk;
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struct device;
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struct drm_device;
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struct rcar_du_device {
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struct device *dev;
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const struct rcar_du_platform_data *pdata;
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void __iomem *mmio;
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struct clk *clock;
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unsigned int use_count;
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struct drm_device *ddev;
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struct rcar_du_crtc crtcs[2];
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unsigned int used_crtcs;
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unsigned int num_crtcs;
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struct {
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struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES];
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unsigned int free;
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struct mutex lock;
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struct drm_property *alpha;
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struct drm_property *colorkey;
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struct drm_property *zpos;
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} planes;
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};
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int rcar_du_get(struct rcar_du_device *rcdu);
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void rcar_du_put(struct rcar_du_device *rcdu);
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static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg)
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{
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return ioread32(rcdu->mmio + reg);
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}
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static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data)
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{
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iowrite32(data, rcdu->mmio + reg);
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}
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#endif /* __RCAR_DU_DRV_H__ */
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