1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * ARC PGU DRM driver.
 4 *
 5 * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
 6 */
 7
 8#ifndef _ARCPGU_H_
 9#define _ARCPGU_H_
10
11struct arcpgu_drm_private {
12	void __iomem		*regs;
13	struct clk		*clk;
14	struct drm_framebuffer	*fb;
15	struct drm_crtc		crtc;
16	struct drm_plane	*plane;
17};
18
19#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
20
21static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
22				 unsigned int reg, u32 value)
23{
24	iowrite32(value, arcpgu->regs + reg);
25}
26
27static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
28			       unsigned int reg)
29{
30	return ioread32(arcpgu->regs + reg);
31}
32
33int arc_pgu_setup_crtc(struct drm_device *dev);
34int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np);
35int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np);
36
37#endif