[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / arc / arcpgu.h

/*
 * 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
Commit	Line	Data
51dacf20 CP	1	/*
	2	* ARC PGU DRM driver.
	3	*
	4	* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	*/
	16
	17	#ifndef _ARCPGU_H_
	18	#define _ARCPGU_H_
	19
	20	struct arcpgu_drm_private {
	21	void __iomem *regs;
	22	struct clk *clk;
	23	struct drm_fbdev_cma *fbdev;
	24	struct drm_framebuffer *fb;
51dacf20 CP	25	struct drm_crtc crtc;
	26	struct drm_plane *plane;
	27	};
	28
	29	#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
	30
	31	static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
	32	unsigned int reg, u32 value)
	33	{
	34	iowrite32(value, arcpgu->regs + reg);
	35	}
	36
	37	static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
	38	unsigned int reg)
	39	{
	40	return ioread32(arcpgu->regs + reg);
	41	}
	42
	43	int arc_pgu_setup_crtc(struct drm_device *dev);
	44	int arcpgu_drm_hdmi_init(struct drm_device drm, struct device_node np);
a189d28e	45	int arcpgu_drm_sim_init(struct drm_device drm, struct device_node np);
51dacf20 CP	46	struct drm_fbdev_cma arcpgu_fbdev_cma_init(struct drm_device dev,
	47	unsigned int preferred_bpp, unsigned int num_crtc,
	48	unsigned int max_conn_count);
	49
	50	#endif