74 lines
1.7 KiB
C
74 lines
1.7 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/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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#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK (1 << 0) /* Per-CRTC IRQ and clock */
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/*
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* struct rcar_du_device_info - DU model-specific information
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* @features: device features (RCAR_DU_FEATURE_*)
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*/
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struct rcar_du_device_info {
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unsigned int features;
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};
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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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const struct rcar_du_device_info *info;
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void __iomem *mmio;
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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 rcar_du_planes planes;
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};
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static inline bool rcar_du_has(struct rcar_du_device *rcdu,
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unsigned int feature)
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{
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return rcdu->info->features & feature;
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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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