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