/*
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* ARC PGU DRM driver.
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*
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* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.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 version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _ARCPGU_H_
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#define _ARCPGU_H_
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struct arcpgu_drm_private {
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void __iomem *regs;
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struct clk *clk;
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struct drm_fbdev_cma *fbdev;
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struct drm_framebuffer *fb;
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struct drm_crtc crtc;
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struct drm_plane *plane;
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};
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#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
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static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
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unsigned int reg, u32 value)
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{
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iowrite32(value, arcpgu->regs + reg);
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}
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static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
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unsigned int reg)
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{
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return ioread32(arcpgu->regs + reg);
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}
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int arc_pgu_setup_crtc(struct drm_device *dev);
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int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np);
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int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np);
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struct drm_fbdev_cma *arcpgu_fbdev_cma_init(struct drm_device *dev,
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unsigned int preferred_bpp, unsigned int num_crtc,
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unsigned int max_conn_count);
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#endif
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