67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
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/*
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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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